Vanishing viscosity on a star-shaped graph under general transmission conditions at the node

Giuseppe Maria Coclite; Carlotta Donadello; Giuseppe Maria Coclite; Carlotta Donadello

doi:10.3934/nhm.2020009

Networks and Heterogeneous Media

2020, Volume 15, Issue 2: 197-213. doi: 10.3934/nhm.2020009

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Vanishing viscosity on a star-shaped graph under general transmission conditions at the node

Giuseppe Maria Coclite ^{1
,
,},
Carlotta Donadello ^{2
,}

1.
Department of Mechanics, Mathematics and Management, Polytechnic University of Bari, Via E. Orabona 4, 70125 Bari, Italy
2.
Laboratoire de Mathématiques CNRS UMR6623, Université de Bourgogne Franche-Comté, 16 route de Gray, 25030 Besançon Cedex, France

Received: 01 May 2019 Revised: 01 November 2019 Published: 01 June 2020
Primary: 35L65; Secondary: 35R02

In this paper we consider a family of scalar conservation laws defined on an oriented star shaped graph and we study their vanishing viscosity approximations subject to general matching conditions at the node. In particular, we prove the existence of converging subsequence and we show that the limit is a weak solution of the original problem.

Keywords:

Citation: Giuseppe Maria Coclite, Carlotta Donadello. Vanishing viscosity on a star-shaped graph under general transmission conditions at the node[J]. Networks and Heterogeneous Media, 2020, 15(2): 197-213. doi: 10.3934/nhm.2020009

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Abstract

1. Introduction

In recent years, convexity theory has gained special attention by many researchers because of it engrossing properties and expedient characterizations. It has many applications in fields like biology, numerical analysis and statistics (see ^[1,2,3,4]). Mathematical inequalities are extensively studied with all type of convex functions (see^{[1,3,11,13,14,16]}). One of the fundamental inequality is Hermite-Hadamard inequality. It has been discussed via different types of convexities and became the center of attention for many researchers. Recently, in 2016, Khan et al. have discussed generalizations of Hermite-Hadamard type for $MT$ -convex functions ^[26]. In 2017, Khan et al. studied some new inequalities of Hermite-Hadamard types ^[27]. In 2019, Khurshid et al. have utilized conformable fractional integrals via preinvex functions ^[28]. In 2020, Khan et al. have discussed Hermite-Hadamard type inequalities via quantum calculus involving green function ^[29], Mohammed et al. have established a new version of Hermite-Hadamard inequality for Riemann-Liouville fractional integrals ^[30], Han et al. used fractional integral to generalize Hermite-Hadamard inequality for convex functions ^[31], Zhao et al. utilized harmonically convex functions to generalized fractional integral inequalities of Hermite-Hdamrd type ^[32], Awan et al. presented new inequalities of Hermite-Hdamard type for $n$ -polynomial harmonically convex functions ^[33]. In 2022, Khan et al. introduced some new versions of Hermite-Hadamard integral inequalities in fuzzy fractional calculus for generalized pre-invex functions via fuzzy-interval-valued settings ^[34]. This reflects the importance of Hermite Hadamard type inequalities among current research.

In ^[9], $s$ -convex function is given as,

Definition 1.1. A real valued function $\chi$ is called $s$ -convex function on $\mathbb{R}$ , if

$\begin{equation*} \chi \Big(\varsigma \rho+ (1-\varsigma)\gamma\Big)\leq \varsigma^{s} \chi(\rho)+(1-\varsigma)^{s} \chi(\gamma), \end{equation*}$

for each $\rho, \gamma \in \mathbb{R}$ and $\varsigma \in (0, 1)$ where $s\in (0, 1]$ .

In ^[10], $m$ -convexity is discussed as,

Definition 1.2. A real valued function $\chi$ defined on $[0, b]$ is said to be a $m$ -convex function for $m \in [0, 1]$ , if

$\begin{equation*} \chi \Big(\varsigma \rho+ m(1-\varsigma)\gamma\Big)\leq \varsigma\chi(\rho)+m(1-\varsigma) \chi(\gamma), \end{equation*}$

holds for all $\rho, \gamma \in [0, b]$ and $\varsigma \in [0, 1]$ .

$(s, m)$ -convexity in ^[17] is discussed as,

Definition 1.3. A function $\chi: [0, b] \longrightarrow \mathbb{R}$ , $b > 0$ is said to be a $(s, m)$ -convex function in the second sense where $s, m \in (0, 1]^{2}$ , if

$\begin{equation*} \chi \Big(\varsigma \rho+ m(1-\varsigma)\gamma\Big)\leq \varsigma^{s}\chi(\rho)+m(1-\varsigma)^{s} \chi(\gamma), \end{equation*}$

holds provided that all $\rho, \gamma \in [0, b]$ and $\varsigma \in [0, 1]$ .

Equivalent definition for $(s, m)$ –convex functions:

Let $\rho, \alpha, \gamma \in [0, b]$ , $\rho < \alpha < \gamma$

$\begin{equation} \chi (\alpha) \le {\left(\frac{{\gamma - \alpha}}{{\gamma - \rho}}\right)^s}\chi (\rho) + {m\left(\frac{{\alpha - \rho}}{{\gamma - \rho}}\right)^{s}}\chi (\gamma). \end{equation}$

(1.1)

Hölder-İşcan Inequality ^[5]:

Let $p > 1$ , $\chi$ and $\psi$ be real valued functions defined on $\left[\rho, \gamma \right]$ and $|\chi|^{p}, |\psi|^{q}$ are integrable functions on interval $\left[\rho, \gamma \right]$

$\begin{equation} \begin{array}{l} \int_\rho ^\gamma | \chi (\omega)\psi (\omega)|d\omega \le \frac{1}{{\gamma - \rho }}{\left( {\int_\rho ^\gamma {(\gamma - \omega)} |\chi (\omega){|^p}d\omega} \right)^{\frac{1}{p}}}{\left( {\int_\rho ^\gamma {(\gamma - \omega)} |\psi (\omega){|^q}d\omega} \right)^{\frac{1}{q}}} \\ + \frac{1}{{\gamma - \rho }}{\left( {\int_\rho^\gamma {(\omega - \rho )} |\chi (\omega){|^p}d\omega} \right)^{\frac{1}{p}}}{\left( {\int_\rho ^\gamma {(\omega - \rho )} |\psi (\omega){|^q}d\omega} \right)^{\frac{1}{q}}}, \end{array} \end{equation}$

(1.2)

where $\frac{1}{p}+\frac{1}{q} = 1$ .

Following lemma is useful to obtain our main results.

Lemma 1.4. ^[8] For $n\in \mathbb{N}$ , let $\chi:U\subseteq \mathbb{R} \longrightarrow \mathbb{R}$ be $n$ -times differentiable mapping on $U^{\circ}$ , where $\rho, \gamma \in U^{\circ}$ , $\rho < \gamma$ and $\chi^{n} \in L[\rho, \gamma]$ , we have following identity

$\begin{equation} \sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}}\left (\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}\right) - \int\limits_\rho ^\gamma {\chi (\omega)d\omega} = \frac{{{{( - 1)}^{n + 1}}}}{{n!}}\int\limits_\rho ^\gamma {{\omega^n}} {\chi ^{(n)}}(\omega)d\omega, \end{equation}$

(1.3)

where an empty set is understood to be nil.

In this paper, Hölder-İşcan inequality is used to modify inequalities involving functions having $s$ -convex or $s$ -concave derivatives at certain powers. The purpose of this paper is to establish some generalized inequalities for $n$ -times differentiable $(s, m)$ -convex functions. Applications of these inequalities to means are also discussed. Means are defined as,

Let $0 < \rho < \gamma$ ,

$\begin{equation*} A(\rho, \gamma) = \frac{\rho+\gamma}{2}, \end{equation*}$

$\begin{equation*} G(\rho, \gamma) = \sqrt{\rho\gamma}, \end{equation*}$

$\begin{equation*} L_{p}(\rho, \gamma) = \Big (\frac{\gamma^{p+1}-\rho^{p+1}}{(p+1)(\gamma-\rho)}\Big )^{\frac{1}{p}}, \end{equation*}$

where $p\neq0, -1$ and $\rho\neq\gamma$ .

2. Main results

2.1. Modified inequalities for $n$ -times differentiable convex functions

Theorem 2.1. For any positive integer $n$ , let $\chi:U\subseteq(0, \infty)\rightarrow \mathbb{R}$ be $n$ -times differentiable mapping on $U^{\circ}$ , where $\rho, \gamma \in U^{\circ}$ with $\rho < \gamma$ . If $\chi^{(n)} \in L[\rho, \gamma]$ and $|\chi^{(n)} |^{q}$ for $q > 1$ is $(s, m)$ -convex on interval $[\rho, \gamma]$ then

$\begin{equation} \begin{array}{l} \left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}} \left(\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}\right) - \int\limits_\rho ^\mu {\chi (\omega)d\omega} } \right|\\ \le \frac{1}{{n!}}{(\gamma-\rho)^{\frac{1}{q}}}\left( \begin{array}{l} {[\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )]^{\frac{1}{p}}}{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)(s + 1)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 2)}}} \right]^{\frac{1}{q}}}\\ + {[L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )]^{\frac{1}{p}}}{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 1)(s + 2)}}} \right]^{\frac{1}{q}}} \end{array} \right), \end{array} \end{equation}$

(2.1)

where $\frac{1}{p}+\frac{1}{q} = 1$ .

Proof. Since $|\chi^{n}|^q$ is $(s, m)$ -convex by using inequality (1.1) for $\rho < \omega < \gamma$ , using Lemma 1.4 and Hölder-Işcan inequality (1.2),

$\begin{equation*} \begin{array}{c} {\left| {{\chi ^n}(\omega)} \right|^q} \le {\left| {{\chi ^n}(\frac{{\omega - \rho }}{{\gamma - \rho }}\gamma +m \frac{{\gamma - \omega}}{{\gamma - \rho }}\rho )} \right|^q}\\ \\ \le {(\frac{{\omega - \rho }}{{\gamma - \rho }})^s}{\left| {{\chi ^n}(\gamma )} \right|^q} + {m(\frac{{\gamma - \omega}}{{\gamma - \rho }})^{s}}{\left| {{\chi ^n}(\rho )} \right|^q}, \\ \begin{array}{l} \left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu }\left( {\frac{{{\chi ^{(\nu )}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu )}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}} \right) - \int\limits_\rho ^\gamma {\chi (\omega )d\omega } } } \right|\\ \le \frac{1}{{n!}}\int\limits_\rho ^\gamma {{\omega ^n}} \left| {{\chi ^{(n)}}(\omega )} \right|d\omega , \end{array}\\ \le \frac{1}{{n!}}\frac{1}{{\gamma - \rho }}\left\{ \begin{array}{l} {\left( {\int\limits_\rho ^\gamma {(\gamma - \omega ){\omega ^{np}}d\omega } } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega ){{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega} } \right)^{\frac{1}{q}}} + \\ {\left( {\int\limits_\rho ^\gamma {(\omega - \rho ){\omega ^{np}}d\omega } } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^\gamma {(\omega - \rho ){{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega } } \right)^{\frac{1}{q}}} \end{array} \right\},\\ \le \frac{1}{{n!}}\frac{1}{{\gamma - \rho }}{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega){\omega^{np}}d\omega} } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega)\left[ {{{(\frac{{\omega - \rho }}{{\gamma - \rho }})}^s}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + {{m(\frac{{\gamma - \omega}}{{\gamma - \rho }})}^s}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]d\omega} } \right)^{\frac{1}{q}}}\\ + \frac{1}{{n!}}\frac{1}{{\gamma - \rho }}{\left( {\int\limits_\rho ^\gamma {(\omega - \rho){\omega^{np}}d\omega} } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^\gamma {(\omega - \rho)\left[ {{{(\frac{{\omega - \rho }}{{\gamma - \rho }})}^s}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + {{m(\frac{{\gamma - \omega}}{{\gamma - \rho }})}^s}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]d\omega} } \right)^{\frac{1}{q}}},\end{array} \end{equation*}$

(2.2)

Let

$\begin{equation*} \begin{array}{*{20}{l}} {{I_1} = {{\left[ {\int\limits_\rho ^\gamma {(\gamma - \omega){\omega^{np}}d\omega} } \right]}^{\frac{1}{p}}}} { = {{\left[ {\int\limits_\rho ^\gamma {(\gamma {\omega^{np}} - {\omega^{np + 1}})d\omega} } \right]}^{\frac{1}{p}}}}\\ { = {{(\gamma - \rho )}^{\frac{1}{p}}}{{\left[ {\gamma \left( {\frac{{{\gamma ^{np + 1}} - {\rho ^{np + 1}}}}{{(\gamma - \rho )(np + 1)}}} \right) - \left( {\frac{{{\gamma ^{np + 2}} - {\rho ^{np + 2}}}}{{(\gamma - \rho )(np + 2)}}} \right)} \right]}^{\frac{1}{p}}}} { = {{(\gamma - \rho )}^{\frac{1}{p}}}{{\left[ {\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )} \right]}^{\frac{1}{p}}}}, \end{array} \end{equation*}$

$\begin{equation*} \begin{array}{*{20}{l}} {{I_2} = {{\left[ {\int\limits_\rho ^\gamma {(\omega - \rho ){\omega^{np}}dt} } \right]}^{\frac{1}{p}}}} { = {{\left[ {\int\limits_\rho ^\gamma {({\omega^{np + 1}} - \rho {\omega^{np}})d\omega} } \right]}^{\frac{1}{p}}}}\\ { = {{(\gamma - \rho )}^{\frac{1}{p}}}{{\left[ {\left( {\frac{{{\gamma ^{np + 2}} - {\rho ^{np + 2}}}}{{(\gamma - \rho )(np + 2)}}} \right) - \rho \left( {\frac{{{\gamma ^{np + 1}} - {\rho ^{np + 1}}}}{{(\gamma - \rho )(np + 1)}}} \right)} \right]}^{\frac{1}{p}}}} { = {{(\gamma - \rho )}^{\frac{1}{p}}}{{\left[ {L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )} \right]}^{\frac{1}{p}}}}, \end{array} \end{equation*}$

$\begin{equation*} \begin{array}{l} {I_3} = \int\limits_\rho ^\gamma {(\gamma - \omega){{(\omega - \rho )}^s}} d\omega = (\gamma - \omega)\frac{{{{(\omega - \rho )}^{s + 1}}}}{{s + 1}}|_\rho ^\gamma + \int\limits_\rho ^\gamma {\frac{{{{(\omega - \rho )}^{s + 1}}}}{{s + 1}}} d\omega = \frac{{{{(\gamma - \rho )}^{s + 2}}}}{{(s + 1)(s + 2)}}, \end{array} \end{equation*}$

$\begin{equation*} \begin{array}{l} {I_4} = \int\limits_\rho ^\gamma {{{(\gamma - \omega)}^{s + 1}}} d\omega = \frac{{{{(\gamma - \rho )}^{s + 2}}}}{{s + 2}}, {I_5} = \int\limits_\rho ^\gamma {{{(\omega - \rho )}^{s + 1}}} d\omega = \frac{{{{(\gamma - \rho )}^{s + 2}}}}{{s + 2}}, \\ {I_6} = \int\limits_\rho ^\gamma {(\omega - \rho ){{(\gamma - \omega)}^s}} d\omega = (\omega - \rho )\frac{{{{(\gamma - \omega)}^{s + 1}}}}{{(s + 1)}}|_\rho ^\gamma + \int\limits_\rho ^\gamma {\frac{{{{(\gamma - \omega)}^{s + 1}}}}{{(s + 1)}}} d\omega = \frac{{{{(\gamma - \rho )}^{s + 2}}}}{{(s + 1)(s + 2)}}. \end{array} \end{equation*}$

Substituting integrals ${I_1}, {I_2}, {I_3}, {I_4}, {I_5}, {I_6}$ in inequality (2.2) we have,

$\begin{equation*} \begin{array}{l} \left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}} (\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}) - \int\limits_\rho ^\gamma {\chi (\omega)d\omega} } \right| \le \\ \frac{1}{{n!(\gamma - \rho )}}\left( {\begin{array}{*{20}{l}} {{{(\gamma - \rho )}^{\frac{1}{p}}}{{[\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )]}^{\frac{1}{p}}}{{\left[ {{{(\gamma - \rho )}^2}\left( {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)(s + 1)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 2)}}} \right)} \right]}^{\frac{1}{q}}}}\\ { + {{(\gamma - \rho )}^{\frac{1}{p}}}{{[L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )]}^{\frac{1}{p}}}{{\left[ {{{(\gamma - \rho )}^2}\left( {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 1)(s + 2)}}} \right)} \right]}^{\frac{1}{q}}}} \end{array}} \right) \end{array} \end{equation*}$

$\begin{equation*} \begin{array}{l} = \frac{{{{(\gamma - \rho )}^{\frac{1}{p} - 1 + \frac{2}{q}}}}}{{n!}}\left( {\begin{array}{*{20}{l}} {{{[\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )]}^{\frac{1}{p}}}{{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)(s + 1)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 2)}}} \right]}^{\frac{1}{q}}}}\\ { + {{[L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )]}^{\frac{1}{p}}}{{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 1)(s + 2)}}} \right]}^{\frac{1}{q}}}} \end{array}} \right) \end{array} \end{equation*}$

$\begin{equation*} \begin{array}{l} = \frac{1}{{n!}}{(\gamma-\rho)^{\frac{1}{q}}}\left( \begin{array}{l} {[\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )]^{\frac{1}{p}}}{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)(s + 1)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 2)}}} \right]^{\frac{1}{q}}}\\ + {[L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )]^{\frac{1}{p}}}{\left[ {\frac{{{{\left| {{\chi ^n}(\gamma )} \right|}^q}}}{{(s + 2)}} + \frac{{{{m\left| {{\chi ^n}(\rho )} \right|}^q}}}{{(s + 1)(s + 2)}}} \right]^{\frac{1}{q}}} \end{array} \right). \end{array} \end{equation*}$

which is required inequality (2.1).

For $n = 1$ inequality (2.1) becomes,

$\begin{equation} \begin{array}{*{20}{l}} {\left| {\left( {\frac{{\chi (\gamma )\gamma - \chi (\rho )\rho }}{{\gamma - \rho }}} \right) - \frac{1}{{\gamma - \rho }}\int\limits_\rho ^\gamma {\chi (\omega)d\omega} } \right| \le }\\ {{{(\gamma - \rho )}^{\frac{1}{q} - 1}}\left( {\begin{array}{*{20}{l}} {{{\left[ {\gamma L_p^p(\rho , \gamma ) - L_{p + 1}^{p + 1}(\rho , \gamma )} \right]}^{\frac{1}{p}}}{{\left[ {\frac{{{{\left| {\chi '(\gamma )} \right|}^q}}}{{(s + 1)(s + 2)}} + {{\frac{{m\left| {\chi '(\rho )} \right|}}{{(s + 2)}}}^q}} \right]}^{\frac{1}{q}}}}\\ { + {{\left[ {L_{p + 1}^{p + 1}(\rho, \gamma ) - \rho L_p^p(\rho , \gamma )} \right]}^{\frac{1}{p}}}{{\left[ {\frac{{{{m\left| {\chi '(\rho )} \right|}^q}}}{{(s + 1)(s + 2)}} + {{\frac{{\left| {\chi '(\gamma )} \right|}}{{(s + 2)}}}^q}} \right]}^{\frac{1}{q}}}} \end{array}} \right)}. \end{array} \end{equation}$

(2.3)

Remark 2.2. For $s = 1$ and $m = 1$ our resulting inequality (2.1) becomes the inequality ( $2$ ) of ^[5].

Theorem 2.3. For $n\in \mathbb{N}$ , let $\chi:U\subseteq(0, \infty)\rightarrow \mathbb{R}$ be $n$ -times differentiable mapping on $U^{\circ}$ , where, $\rho, \gamma \in U^{\circ}$ , $\rho < \gamma$ , $\chi^{(n)} \in L[\rho, \gamma]$ and $|\chi^{(n)} |^{q}$ for $q > 1$ , is $(s, m)$ -convex on interval $[\rho, \gamma]$ then following inequality holds

$\begin{equation} \begin{array}{l} \left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}\left( {\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}} \right) - \int\limits_\rho ^\gamma {\chi (\omega)d\omega} } } \right| \le \\ \frac{1}{s^\frac{1}{q}{n!}}{\left( {\frac{1}{2}} \right)^{\frac{1}{p}}}{(\gamma - \rho )^{\frac{2}{p} - 1}}\\ \left( {\begin{array}{*{20}{l}} {{{\left( {\begin{array}{*{20}{l}} {\frac{{{{\left| {{\chi ^{(n)}}(\gamma )} \right|}^q}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(n)}}(\rho )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\gamma L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\gamma ^2}L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}} + }\\ {{{\left( {\begin{array}{*{20}{l}} {{{\frac{{\left| {{\chi ^{(n)}}(\gamma )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\rho L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\rho ^2}L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(n)}}(\rho )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}} \end{array}} \right) \end{array}. \end{equation}$

(2.4)

Proof. Since $|\chi^{(n)}|^{q}$ for $q > 1$ is $(s, m)$ -convex on $[\rho, \gamma]$ , by using Lemma 1.4 and Hölder-İşcan inequality (1.2), since $s \in (0, 1]$ , this fact can be used for $\omega, \rho, \gamma \in U\subseteq(0, \infty)$ ,

$\begin{equation*} \begin{array}{c} {(\omega - \rho )^s} < \frac {(\omega - \rho )}{s}, {(\gamma - \omega)^s} < \frac{(\gamma - \omega)}{s}\\ \begin{array}{l} \left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}\left( {\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}} \right) - \int\limits_\rho ^\gamma {\chi (\omega)d\omega} } } \right|\\ \le \frac{1}{{n!}}\int\limits_\rho ^\gamma {1.{\omega^n}} \left| {{\chi ^{(n)}}(\omega)} \right|d\omega, \\ \le \frac{1}{{n!}}\frac{1}{{(\gamma - \rho )}}\left( \begin{array}{l} \left[ {{{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega)d\omega} } \right)}^{\frac{1}{p}}}{{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega){\omega^{nq}}{{\left| {{\chi ^{(n)}}(\omega)} \right|}^q}d\omega} } \right)}^{\frac{1}{q}}}} \right] + \\ \left[ {{{\left( {\int\limits_\rho ^\gamma {(\omega - \rho )d\omega} } \right)}^{\frac{1}{p}}}{{\left( {\int\limits_\rho ^\gamma {(\omega - \rho ){\omega^{nq}}{{\left| {{\chi ^{(n)}}(\omega)} \right|}^q}d\omega} } \right)}^{\frac{1}{q}}}} \right] \end{array} \right), \end{array}\\ \le \frac{1}{{n!}}\frac{1}{{(\gamma - \rho )}}{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega)d\omega} } \right)^{\frac{1}{p}}}\left( {\int\limits_\rho ^\gamma {(\gamma - \omega){\omega^{nq}}\left[ {{{\left( {\frac{{\omega - \rho }}{{\gamma - \rho }}} \right)}^s}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + {{m\left( {\frac{{\gamma - \omega}}{{\gamma - \rho }}} \right)}^s}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]dt} } \right)^{\frac{1}{q}} + \\ \frac{1}{{n!}}\frac{1}{{(\gamma - \rho )}}{\left( {\int\limits_\rho ^\gamma {(\omega - \rho )dt} } \right)^{\frac{1}{p}}}\left( {\int\limits_\rho ^\gamma {(\omega - \rho ){\omega^{nq}}\left[ {{{\left( {\frac{{\omega - \rho }}{{\gamma - \rho }}} \right)}^s}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + {{m\left( {\frac{{\gamma - \omega}}{{\gamma - \rho }}} \right)}^s}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]dx} } \right)^{\frac{1}{q}}, \\ \le \frac{1}{s^{\frac{1}{q}}{n!}}\frac{1}{{(\gamma - \rho )}}{\left( {\int\limits_\rho ^\gamma {(\gamma - \omega)d\omega} } \right)^{\frac{1}{p}}}\left( {\int\limits_\rho ^\gamma {(\gamma - \omega){\omega^{nq}}\left[ {\frac{{(\omega - \rho )}}{{{{(\gamma - \rho )}^s}}}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + \frac{{m(\gamma - \omega)}}{{{{(\gamma - \rho )}^s}}}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]d\omega} } \right)^{\frac{1}{q}}\\ + \frac{1}{s^{\frac{1}{q}}{n!}}\frac{1}{{(\gamma - \rho )}}{\left( {\int\limits_\rho ^\gamma {(\omega - \rho )d\omega} } \right)^{\frac{1}{p}}}\left( {\int\limits_\rho ^\gamma {(\omega - \rho ){\omega^{nq}}\left[ {\frac{{(\omega - \rho )}}{{{{(\gamma - \rho )}^s}}}{{\left| {{\chi ^n}(\gamma )} \right|}^q} + \frac{{m(\gamma - \omega)}}{{{{(\gamma - \rho )}^s}}}{{\left| {{\chi ^n}(\rho )} \right|}^q}} \right]d\omega} } \right)^{\frac{1}{q}}, \\ \begin{array}{l} \ \ \ \ {I_1} = \int\limits_\rho ^\gamma {(\gamma - \omega )d\omega = } {\rm{ }}\frac{{{{(\gamma - \rho )}^2}}}{2} \\ \ \ \ \ {I_2} = \int\limits_\rho ^\gamma {(\gamma - \omega)(\omega - \rho ){\omega^{nq}}d\omega} = {\gamma \frac{{{\omega^{nq + 1}}}}{{nq + 1}} - \rho \gamma \frac{{{\omega^{nq + 1}}}}{{nq + 1}} - \frac{{{\omega^{nq + 3}}}}{{nq + 3}} + \frac{{\rho {\omega^{nq + 2}}}}{{nq + 2}}}|_\rho ^\gamma \\ \ \ \ \ = - \left( {\frac{{{\gamma ^{nq + 3}} - {\rho ^{nq + 3}}}}{{nq + 3}}} \right) + \rho \left( {\frac{{{\gamma ^{nq + 2}} - {\rho ^{nq + 2}}}}{{nq + 2}}} \right) + \gamma \left( {\frac{{{\gamma ^{nq + 2}} - {\rho ^{nq + 2}}}}{{nq + 2}}} \right) - \rho \gamma \left( {\frac{{{\gamma ^{nq + 1}} - {\rho ^{nq + 1}}}}{{nq + 1}}} \right)\\\ \ \ \ = (\gamma - \rho )\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right], \\ \ \ \ \ \ \ \ \ {I_3} = \int\limits_\rho ^\gamma {{{(\gamma - \omega)}^2}} {\omega^{nq}}d\omega = {{\gamma ^2}\frac{{{\omega^{nq + 1}}}}{{nq + 1}} + \frac{{{\omega^{nq + 3}}}}{{nq + 3}} - 2\gamma \frac{{{\omega^{nq + 2}}}}{{nq + 2}}} |_\rho ^\gamma \\ \ \ \ \ \ \ \ \ = \left( {\frac{{{\gamma ^{nq + 3}} - {\rho ^{nq + 3}}}}{{nq + 3}}} \right) - 2\gamma \left( {\frac{{{\gamma ^{nq + 2}} - {\rho ^{nq + 2}}}}{{nq + 2}}} \right) + {\gamma ^2}\left( {\frac{{{\gamma ^{nq + 1}} - {\rho ^{nq + 1}}}}{{nq + 1}}} \right)\\ \ \ \ \ \ \ \ \ = (\gamma - \rho )\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\gamma L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\gamma ^2}L_{nq}^{nq}(\rho , \gamma )} \right], \\ \ \ \ \ \ \ \ \ {I_4} = \int\limits_\rho ^\gamma {{{(\omega - \rho )}^2}} {\omega^{nq}}d\omega = {\frac{{{\omega^{nq + 3}}}}{{nq + 3}} + {\rho ^2}\frac{{{\omega^{nq + 1}}}}{{nq + 1}} - 2\rho \frac{{{\omega^{nq + 2}}}}{{nq + 2}}} |_\rho ^\gamma \\ \ \ \ \ \ \ \ \ = \left( {\frac{{{\gamma ^{nq + 3}} - {\rho ^{nq + 3}}}}{{nq + 3}}} \right) + {\rho ^2}\left( {\frac{{{\gamma ^{nq + 1}} - {\rho ^{nq + 1}}}}{{nq + 1}}} \right) - 2\rho \left( {\frac{{{\gamma ^{nq + 2}} - {\rho ^{nq + 2}}}}{{nq + 2}}} \right)\\ \ \ \ \ \ \ \ \ = (\gamma - \rho )\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) + {\rho ^2}L_{nq}^{nq}(\rho , \gamma ) - 2\rho L_{nq + 1}^{nq + 1}(\rho , \gamma )} \right]. \end{array} \end{array} \end{equation*}$

(2.5)

Substituting integrals ${I_1}, {I_2}, {I_3}, {I_4}, {I_5}, {I_6}$ in inequality (2.5) we have,

$\begin{equation*} \begin{array}{l} = \frac{1}{s^{\frac{1}{q}}{n!}}{\left( {\frac{1}{2}} \right)^{\frac{1}{p}}}{(\gamma - \rho )^{\frac{2}{p} - 1}}\times \\ \left( {\begin{array}{*{20}{l}} {{{\left( {\begin{array}{*{20}{l}} {\frac{{{{\left| {{\chi ^{(n)}}(\gamma )} \right|}^q}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(n)}}(\rho )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\gamma L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\gamma ^2}L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}} + }\\ {{{\left( {\begin{array}{*{20}{l}} {{{\frac{{\left| {{\chi ^{(n)}}(\gamma )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\rho L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\rho ^2}L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(n)}}(\rho )} \right|^{q}}}{{{{(\gamma - \rho )}^{s-1}}}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}} \end{array}} \right). \end{array} \end{equation*}$

For $n = 1$ , Theorem2.3 reduced to the inequality

$\begin{equation} \begin{array}{l} \left| {\frac{{\gamma \chi (\gamma ) - \rho \chi (\rho )}}{{(\gamma - \rho )}} - \frac{1}{{(\gamma - \rho )}}\int\limits_\rho ^\gamma {\chi (\omega)d\omega} } \right| \le \\ \frac{1}{{s^{\frac{1}{q}}}}{\left( {\frac{1}{2}} \right)^{\frac{1}{p}}}{(\gamma - \rho )^{\frac{2}{p} - 2}}\left( {\begin{array}{*{20}{l}} {{{\left( {\begin{array}{*{20}{l}} {\frac{{{{\left| {{\chi ^{(1)}}(\gamma )} \right|}^q}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_q^q(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(1)}}(\rho )} \right|}}{{{{(\gamma - \rho )}^{s - 1}}}}}^q}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\gamma L_{q + 1}^{q + 1}(\rho , \gamma ) + {\gamma ^2}L_q^q(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}} + }\\ {{{\left( {\begin{array}{*{20}{l}} {{{\frac{{\left| {{\chi ^{(1)}}(\gamma )} \right|}}{{{{(\gamma - \rho )}^{s - 1}}}}}^q}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\rho L_{q + 1}^{q + 1}(\rho , \gamma ) + {\rho ^2}L_q^q(\rho , \gamma )} \right] + }\\ {{{\frac{{m\left| {{\chi ^{(1)}}(\rho )} \right|}}{{{{(\gamma - \rho )}^{s - 1}}}}}^q}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_q^q(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}} \end{array}} \right). \end{array} \end{equation}$

(2.6)

Remark 2.4. For $s = 1$ and $m = 1$ our resulting inequality (2.4) becomes the inequality $(6)$ of ^[5].

2.2. Hadamard type inequality via $(s, m)$ -convexity

Theorem 2.5. If function $\chi: [0, b] \longrightarrow \mathbb{R}$ , $b > 0$ is a (s, m)-convex function in the second sense where $(s, m) \in (0, 1]^{2}$ , holds provided that all $\rho, \gamma \in [0, b]$ and $\varsigma \in [0, 1]$ , then

$\begin{equation} \begin{array}{l} {2^s} {\chi \left( {\frac{{\rho + m\gamma }}{2}} \right)} \le \left[ {\frac{1}{{m\gamma - \rho }}\int\limits_\rho ^{m\gamma } {\chi (\omega )d\omega + \frac{{{m^2}}}{{m\gamma - \rho }}\int\limits_{\frac{\rho }{m}}^\gamma {\chi (l)dl} } } \right]\\ \le \frac{{\chi (\rho ) + m\chi (\gamma )}}{{s + 1}} + \frac{{\chi (\gamma ) + m\chi (\frac{\rho }{{{m^2}}})}}{{s + 1}}. \end{array} \end{equation}$

(2.7)

Proof. A function $\chi: [0, b] \longrightarrow \mathbb{R}$ , $b > 0$ is said to be a $(s, m)$ -convex function in the second sense where $s, m \in (0, 1]^{2}$ , if

$\begin{equation*} \chi \Big(\varsigma \rho+ m(1-\varsigma)\gamma\Big)\leq \varsigma^{s}\chi(\rho)+m(1-\varsigma)^{s} \chi(\gamma), \end{equation*}$

holds provided that all $\rho, \gamma \in [0, b]$ and $\varsigma \in [0, 1]$ .

Integrating w.r.t $\varsigma$ on $[0, 1]$ ,

$\begin{equation*} \begin{array}{l} \int\limits_0^1 \chi (\varsigma \rho + m(1 - \varsigma )\gamma )d\varsigma \le \int\limits_0^1 {{\varsigma ^s}\chi (\rho )d\varsigma + \int\limits_0^1 {m{{(1 - \varsigma )}^s}\chi (\gamma )d\varsigma, } } \\ \\ = {\frac{{{\varsigma ^{s + 1}}}}{{s + 1}}} |_0^1\chi (\rho ) - m\chi (\gamma ) {\frac{{{{(1 - \varsigma )}^{s + 1}}}}{{s + 1}}} |_0^1 = \frac{{\chi (\rho ) + m\chi (\gamma )}}{{s + 1}}. \\ \ \ \ \ \ \ \int\limits_0^1 \chi (\varsigma \rho + m(1 - \varsigma )\gamma ) d\varsigma \leq\frac{{\chi (\rho ) + m\chi (\gamma )}}{{s + 1}}. \end{array} \end{equation*}$

(2.8)

and

$\begin{equation*} \begin{array}{l} \chi (\varsigma \gamma + m(1 - \varsigma )\frac{\rho }{{{m^2}}}) \le {\varsigma ^s}\chi (\gamma ) + m{(1 - \varsigma )^s}\chi (\frac{\rho }{{{m^2}}}), \\ \int\limits_0^1 {\chi (\varsigma \gamma + m(1 - \varsigma )\frac{\rho }{{{m^2}}})} d\varsigma \le \frac{{\chi (\gamma ) + m\chi (\frac{\rho }{{{m^2}}})}}{{s + 1}}. \end{array} \end{equation*}$

(2.9)

As $\chi$ is $(s, m)$ -convex,

$\begin{equation*} \begin{array}{l} \chi \left( {\frac{{\rho + m\gamma }}{2}} \right) = \chi \left( {\frac{{\varsigma \rho + (1 - \varsigma )m\gamma }}{2} + m.\frac{{(1 - \varsigma )\frac{\rho }{m} + \varsigma \gamma }}{2}} \right) \\ \le {\left( {\frac{1}{2}} \right)^s}\chi (\varsigma \rho + (1 - \varsigma )\gamma m) + m{\left( {\frac{1}{2}} \right)^s}\chi (\varsigma \gamma + (1 - \varsigma )\frac{\rho }{m}), \\ \end{array} \end{equation*}$

Integrating w.r.t $\varsigma$ over $[0, 1]$ and by using (2.8) and (2.9) we get,

$\begin{equation} \begin{array}{l} {2^s}\chi \left( {\frac{{\rho + m\gamma }}{2}} \right) \le \int\limits_0^1 {\left( {\chi (\varsigma \rho + (1 - \varsigma )\gamma m} \right)d\varsigma + } m\int\limits_0^1 {\chi (\varsigma \gamma + (1 - \varsigma )\frac{\rho }{m})} d\varsigma \\ \le \frac{{\chi (\rho ) + m\chi (\gamma )}}{{s + 1}} + \frac{{\chi (\gamma ) + m\chi (\frac{\rho }{{{m^2}}})}}{{s + 1}}. \end{array} \end{equation}$

(2.10)

Substituting in first integral,

${ { \varsigma \rho + (1 - \varsigma)\gamma m}} = \omega$ ,

$\begin{equation} \begin{array}{l} \int\limits_0^1 {\chi (\varsigma \rho + (1 - \varsigma )m\gamma )d\varsigma = \frac{1}{{\gamma m - \rho }}} \int\limits_\rho ^{\gamma m} {\chi (\omega)d\omega}. \\ \end{array} \end{equation}$

(2.11)

Substituting in the second integral,

$\varsigma \gamma + (1 - \varsigma)\frac{\rho }{m} = l$ ,

$\begin{equation} \begin{array}{l} \int\limits_0^1 {\chi (\varsigma \gamma + (1 - \varsigma )\frac{\rho }{m} )d\varsigma = \frac{m}{{\gamma m - \rho }}} \int\limits_{\frac{\rho }{m}}^\gamma {\chi (l)dl}, {\rm{ }} \end{array} \end{equation}$

(2.12)

Using (2.11) and (2.12) in (2.10) required inequality (2.7) obtained.

Remark 2.6. For $s, m = 1$ inequality (2.7) becomes classical Hadamard inequality for convex functions.

2.3. Application of Hadamrd type inequality via $(s, m)$ -concavity

Theorem 2.7. For $n\in \mathbb{N}$ , let $\chi:U\subseteq(0, \infty)\rightarrow \mathbb{R}$ be n-times differentiable mapping on $U^{\circ}$ , where, $\rho, \gamma \in U^{\circ}$ , $\rho < \gamma$ and $\chi^{(n)} \in L[\rho, \gamma]$ and $|\chi^{(n)} |^{q}$ for $q > 1$ is (s, m)-concave on interval $[\rho, m\gamma]$ , then

(2.13)

Proof. $|\chi^{(n)} |^{q}$ for $q > 1$ is $(s, m)$ -concave then by using Theorem 2.5 we have,

$\begin{equation*} \begin{array}{l} \frac{{{{\left| {{\chi ^{(n)}}(\rho )} \right|}^q} + m{{\left| {{\chi ^{(n)}}(\gamma )} \right|}^q}}}{{s + 1}} + \frac{{{{\left| {{\chi ^{(n)}}(\gamma )} \right|}^q} + m{{\left| {{\chi ^{(n)}}(\frac{\rho }{{{m^2}}})} \right|}^q}}}{{s + 1}} - \frac{{{m^2}}}{{(m\gamma - \rho )}}\int\limits_{\frac{\rho }{m}}^\gamma {{{\left| {{\chi ^{(n)}}(l)} \right|}^q}dl} \\ \le \frac{1}{{(m\gamma - \rho )}}\int\limits_\rho ^{m\gamma } {{{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega } \le {2^s}{\left| {{\chi ^{(n)}}\left( {\frac{{\rho + m\gamma }}{2}} \right)} \right|^q}, \end{array} \end{equation*}$

$\begin{equation*} \int\limits_\rho ^{m\gamma } {{{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega } \le {2^s}(m\gamma - \rho ){\left| {{\chi ^{(n)}}\left( {\frac{{\rho + m\gamma }}{2}} \right)} \right|^q}, \end{equation*}$

$\begin{equation*} \frac{1}{{(m\gamma - \rho )}}\int\limits_\rho ^{\gamma m} {(\gamma - \omega ){{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega \le } \int\limits_\rho ^{\gamma m} {{{\left| {{\chi ^{(n)}}(\omega )} \right|}^q}d\omega }\le {2^s}(m\gamma - \rho ){\left| {{\chi ^{(n)}}\left( {\frac{{\rho + m\gamma }}{2}} \right)} \right|^q}, \end{equation*}$

Using Lemma 1.4 and Hölder-Îşcan inequality (1.2),

$\begin{equation*} \begin{array}{l}\left| {\sum\limits_{\nu = 0}^{n - 1} {{{( - 1)}^\nu}\left( {\frac{{{\chi ^{(\nu)}}(\gamma ){\gamma ^{\nu + 1}} - {\chi ^{(\nu)}}(\rho ){\rho ^{\nu + 1}}}}{{(\nu + 1)!}}} \right) - \int\limits_\rho ^{\gamma m} {\chi (\omega)d\omega} } } \right| \le \frac{1}{{n!}}\int\limits_\rho ^{\gamma m} {{\omega^n}} \left| {{\chi ^{(n)}}(\omega)} \right|d\omega, \\ \ \ \ \ \ \ \le \frac{1}{{n!}}\frac{1}{{\gamma - \rho }}\left\{ \begin{array}{l} {\left( {\int\limits_\rho ^{\gamma m} {(\gamma - \omega ){\omega ^{np}}d\omega } } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^{m\gamma } {(\gamma - \omega ){{\left| {{\chi ^n}(\omega )} \right|}^q}d\omega } } \right)^{\frac{1}{q}}} + \\ {\left( {\int\limits_\rho ^{\gamma m} {(\omega - \rho ){\omega ^{np}}d\omega } } \right)^{\frac{1}{p}}}{\left( {\int\limits_\rho ^{m\gamma } {(\omega - \rho ){{\left| {{\chi ^n}(\omega )} \right|}^q}d\omega } } \right)^{\frac{1}{q}}} \end{array} \right\}, \\ \ \ \ \ \ \ \le \frac{1}{{n!}}\frac{1}{{\gamma - \rho }}\left( {\begin{array}{*{20}{l}} \begin{array}{l} {\left( {\int\limits_\rho ^{\gamma m} {(\gamma - \omega ){\omega ^{np}}d\omega } } \right)^{\frac{1}{p}}}{\left( {{2^s}{{(m\gamma - \rho )}^2}{{\left| {{\chi ^{(n)}}\left( {\frac{{\rho + m\gamma }}{2}} \right)} \right|}^q}} \right)^{\frac{1}{q}}}+ \\ {\left( {\int\limits_\rho ^{\gamma m} {(\omega - \rho ){\omega^{np}}d\omega} } \right)^{\frac{1}{p}}} {\left( {{2^s}{{(m\gamma - \rho )}^2}{{\left| {{\chi ^{(n)}}\left( {\frac{{\rho + m\gamma }}{2}} \right)} \right|}^q}} \right)^{\frac{1}{q}}} \end{array} \end{array}} \right), \\ \ \ \ \ \ \ \ \ \ \ \ \ {I_1} = \left( {\int\limits_\rho ^{\gamma m}{(\gamma - \omega){\omega^{np}}d\omega} } \right)^{\frac{1}{p}} = \left( {\gamma \frac{{{\omega^{np + 1}}}}{{np + 1}}| _\rho ^{\gamma m}- \frac{{{\omega^{np + 2}}}}{{np + 2}}}| _\rho ^{\gamma m} \right)^{\frac{1}{p}}\\ \ \ \ \ \ \ \ \ \ \ \ \ = {(m\gamma-\rho)^{\frac{1}{p}}}\left(\gamma L_{np}^{np}(\rho , m\gamma ) - L_{np + 1}^{np + 1}(\rho , m\gamma )\right)^{\frac{1}{p}}, \\ \ \ \ \ \ \ \ \ \ \ \ \ {I_2} = {\left( {\int\limits_\rho ^{\gamma m} {(\omega - \rho ){\omega^{np}}d\omega} } \right)^{\frac{1}{p}}} = {\left( {\frac{{{\omega^{np + 2}}}}{{np + 2}}| _\rho^{\gamma m}- \rho \frac{{{\omega^{np + 1}}}}{{np + 1}}}|_\rho^{\gamma m} \right)^{\frac{1}{p}}}\\\ \ \ \ \ \ \ \ \ \ \ \ = {(m\gamma-\rho)}^{\frac{1}{p}}\left( L_{np + 1}^{np + 1}(\rho , m\gamma ) - \rho L_{np}^{np}(\rho , m\gamma )\right)^{\frac{1}{p}}. \end{array} \end{equation*}$

(2.14)

Substituting integrals ${I_1}, {I_2}$ in inequality (2.14) required inequality (2.13) is obtained.

For $n = 1$ inequality (2.13) becomes,

$\begin{equation} \begin{array}{l} \left| {\frac{{\chi (\gamma )\gamma - \rho \chi (\rho )}}{{(\gamma - \rho )}} - \frac{1}{{(\gamma - \rho )}}\int\limits_\rho ^{\gamma m} {\chi (\omega)d\omega} } \right| \le \\ \frac{{{2^{\frac{s}{q}}}{{(m\gamma - \rho )}^{\frac{1}{q}}}\left| {{\chi ^{(1)}}\left( {\frac{{\rho + \gamma }}{2}} \right)} \right|}}{1!}\left( \begin{array}{l} {\left( {\gamma L_p^p(\rho , m\gamma ) - L_{p + 1}^{p + 1}(\rho , m\gamma )} \right)^{\frac{1}{p}}}\\ + {\left( {L_{p + 1}^{p + 1}(\rho , m\gamma ) - \rho L_p^p(\rho , m\gamma )} \right)^{\frac{1}{p}}} \end{array} \right). \end{array} \end{equation}$

(2.15)

Remark 2.8. For $s = 1$ and $m = 1$ our resulting inequality becomes the inequality obtained in Theorem $4$ of ^[5].

2.4. Applications of newly obtained inequalities to means

Proposition 2.9. Let $\rho, \gamma \in (0, \infty)$ , where $\rho < \gamma$ , $q > 1$ , $n, i \in \mathbb{N}$ with $i\geq n$ ,

$\begin{equation} \begin{array}{l} \left| {L_i^i(\rho , \gamma )\left[ {(i + 1)\sum\nolimits_{\nu = 0}^{n - 1} {\frac{{{{( - 1)}^\nu}P(i, \nu)}}{{(\nu + 1)!}} - 1} } \right]} \right| \le \frac{1}{{n!}}{(\gamma - \rho )^{\frac{1}{q} - 1}}\\ \times \left( \begin{array}{l} {\left[ {\gamma L_{np}^{np}(\rho , \gamma ) - L_{np + 1}^{np + 1}(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left( {\frac{{{\gamma ^{(i - n)q}}}}{{(s + 1)(s + 2)}} + \frac{{{m\rho ^{(i - n)q}}}}{{(s + 2)}}} \right)^{\frac{1}{q}}}\\ + {\left[ {L_{np + 1}^{np + 1}(\rho , \gamma ) - \rho L_{np}^{np}(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left( {\frac{{{m\rho ^{(i - n)q}}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^{(i - n)q}}}}{{(s + 2)}}} \right)^{\frac{1}{q}}} \end{array} \right), \end{array} \end{equation}$

(2.16)

where

$\begin{equation*} P(i, n) = \left\{ \begin{array}{l} i(i - 1)...(i - n + 1), i > n\\ n!, \quad i = n\\ 1, \quad n = 0 \end{array} \right\}. \end{equation*}$

Proof. Let

$\begin{equation*} \chi (\omega) = {\omega^i}, {\left| {{\chi ^{(n)}}(\omega)} \right|^q} = {\left| {P(i, n){\omega^{i - n}}} \right|^q}\\ \end{equation*}$

Let

$\begin{equation*} g(\varsigma) = {\left| {P(i, n)(\varsigma \rho + m(1 - \varsigma )\gamma } \right|^{(i - n)q}} - {\left| {P(i, n){\varsigma ^s}\rho } \right|^{(i - n)q}} - {\left| m{P(i, n){{(1 - \varsigma )}^s}\gamma } \right|^{(i - n)q}}, \end{equation*}$

$\begin{equation*} \begin{array}{l} {g^{''}}(\varsigma ) = P(i, n)((i - n)q)((i - n)q - 1){(\varsigma \rho + m(1 - \varsigma )\gamma )^{(i - n)q - 2}}{(\rho - m\gamma )^2} - \\ s(s - 1){\varsigma ^{s - 2}}P(i, n){\rho ^{(i - n)q}} - ms(s - 1){(1 - \varsigma )^{s - 2}}P(i, n){\gamma ^{(i - n)q}}, \end{array} \end{equation*}$

${g^{''}}(\varsigma) \ge 0$ means g is convex and $g(1) = g(0) = 0$ , which omplies $g\leq 0$ , hence

$\begin{equation*} {\left| {P(i, n)(\varsigma \rho + m(1 - \varsigma )\gamma) } \right|^{(i - n)q}} \le {\left| {P(i, n){\varsigma ^s}\rho } \right|^{(i - n)q}} + \left| m{P(i, n){{(1 - \varsigma )}^s}\gamma) } \right|^{(i-n)q}. \end{equation*}$

By using Theorem 2.1 for $|\chi^{n}(\omega)|^{q}$ which is $(s, m)$ –convex for $s, m \in (0, 1]^{2}$ inequality (2.16) obtained.

Remark 2.10. For $s, m = 1$ inequality (2.16) becomes inequality $(3)$ of ^[5].

Example 2.11. Taking $i = 2$ , $n = 1$ , $p = q = 2$ in Proposition 2.9, the following is valid:

$\begin{equation*} \begin{array}{l} 2A({\rho ^2}, {\gamma ^2}) + {G^2}(\rho , \gamma ) \le (\frac{3}{{2\sqrt 6 }})\left( \begin{array}{l} {\left[ {A(3{\rho ^2}, {\gamma ^2}) + {G^2}(\rho , \gamma )} \right]^{\frac{1}{2}}}{\left( {\frac{{{\gamma ^2}}}{{(s + 1)(s + 2)}} + \frac{{{m\rho ^2}}}{{(s + 2)}}} \right)^{\frac{1}{2}}}\\ + {\left[ {A({\rho ^2}, 3{\gamma ^2}) + {G^2}(\rho , \gamma )} \right]^{\frac{1}{2}}}{\left( {\frac{{{m\rho ^2}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^2}}}{{(s + 2)}}} \right)^{\frac{1}{2}}} \end{array} \right), \end{array} \end{equation*}$

where $A$ and $G$ are classical arithmetic and geometric means, respectively.

Proposition 2.12. Let $\rho, \gamma \in (0, \infty)$ , with, $\rho < \gamma$ , $q > 1$ and $n \in \mathbb{N}$ ,

$\begin{equation} \begin{array}{l} 1 \le {(\gamma - \rho )^{\frac{1}{q} - 1}}\left( \begin{array}{l} {\left[ {\gamma L_p^p(\rho , \gamma ) - L_{p + 1}^{p + 1}(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left[ {(\frac{{{\gamma ^{ - q}}}}{{(s + 1)(s + 2)}} + \frac{{{m\rho ^{ - q}}}}{{(s + 2)}})} \right]^{\frac{1}{q}}} + \\ {\left[ { L_{p + 1}^{p + 1}(\rho , \gamma ) -\rho L_p^p(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left[ {(\frac{{{m\rho ^{ - q}}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^{ - q}}}}{{(s + 2)}})} \right]^{\frac{1}{q}}} \end{array} \right), \end{array} \end{equation}$

(2.17)

where $L$ is classical logarithmic mean.

Proof.

$\begin{equation*} \chi (\omega) = \ln \omega, {\left| {{\chi ^{(1)}}(\omega)} \right|^q} = {\left| {{\omega^{ - 1}}} \right|^q} \end{equation*}$

Let

$\begin{equation*} g(\varsigma) = {\left| {(\varsigma \rho + m(1 - \varsigma )\gamma } \right|^{ - q}} - {\left| {{\varsigma ^s}\rho } \right|^{ - q}} - {\left| {{{m(1 - \varsigma )}^s}\gamma } \right|^{ - q}} \end{equation*}$

$\begin{equation*} \begin{array}{l} {g^{''}}(\varsigma) = ( - q)( - q - 1){(\varsigma \rho + m(1 - \varsigma )\gamma )^{ - q - 2}}{(\rho - m\gamma )^2}\\ - s(s - 1){\varsigma ^{s - 2}}{\rho ^{ - q}} - ms(s - 1){(1 - \varsigma )^{s - 2}}{\gamma ^{-q}}, \end{array} \end{equation*}$

${g^{''}}(\varsigma) \ge 0$ means $g$ is convex and $g(1) = g(0) = 0$ which implies $g\leq 0$ as

$\begin{equation*} {\left| {(\varsigma \rho +m (1 - \varsigma )\gamma } \right|^{ - q}} \le {\left| {{\varsigma ^s}\rho } \right|^{ - q}}\\ + {\left| {{{m(1 - \varsigma )}^s}\gamma } \right|^{ - q}}. \end{equation*}$

So ${\left| {{\chi ^{(1)}}(\omega)} \right|^q}$ is $(s, m)$ -convex. Then by using inequality (2.3) required inequality (2.17) obtained.

Remark 2.13. For $s, m = 1$ inequality (2.17) becomes $(4)$ of ^[5].

Example 2.14. For $n = 1$ and $p = q = 2$ , Proposition 2.12 gives:

$\begin{equation*} \label{45} 1 \le \frac{1}{{\sqrt 6 }}\left( {\begin{array}{*{20}{l}} {{{\left[ {A(3{\rho ^2}, {\gamma ^2}) + {G^2}(\rho , \gamma )} \right]}^{\frac{1}{p}}}{{\left[ {(\frac{{{\gamma ^{ - 2}}}}{{(s + 1)(s + 2)}} + \frac{{m{\rho ^{ - 2}}}}{{(s + 2)}})} \right]}^{\frac{1}{2}}} + }\\ {{{\left[ {A({\rho ^2}, 3{\gamma ^2}) + {G^2}(\rho , \gamma )} \right]}^{\frac{1}{p}}}{{\left[ {(\frac{{m{\rho ^{ - 2}}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^{ - 2}}}}{{(s + 2)}})} \right]}^{\frac{1}{2}}}} \end{array}} \right). \end{equation*}$

Proposition 2.15. Let $\rho, \gamma \in (0, \infty)$ , $\rho < \gamma$ , $q > 1$ , $i \in (- \infty, 0] \cup [1, \infty)\backslash\{ - 2q, - q\}$

then

$\begin{equation} L_{\frac{i}{q} + 1}^{\frac{i}{q} + 1}(\rho , \gamma ) \le {(\gamma - \rho )^{\frac{1}{q} - 1}}\left( \begin{array}{l} {\left[ {\gamma L_p^p(\rho , \gamma ) - L_{p + 1}^{p + 1}(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left[ {(\frac{{{\gamma ^i}}}{{(s + 1)(s + 2)}} + \frac{{m{\rho ^i}}}{{(s + 2)}})} \right]^{\frac{1}{q}}}\\ + {\left[ {L_{p + 1}^{p + 1}(\rho , \gamma ) - \rho L_p^p(\rho , \gamma )} \right]^{\frac{1}{p}}}{\left[ {(\frac{{m{\rho ^i}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^i}}}{{(s + 2)}})} \right]^{\frac{1}{q}}} \end{array} \right). \end{equation}$

(2.18)

Proof.

$\begin{equation*} \chi (t) = \frac{q}{{i + q}}{\omega^{\frac{i}{q} + 1}}, |\chi^{'} (\omega)|^{q} = \omega^{i} \end{equation*}$

Let

$\begin{equation*} g(\varsigma) = {\left| {(\varsigma \rho + m(1 - \varsigma )\gamma } \right|^i} - {\left| {{\varsigma ^s}\rho } \right|^i} - {\left| {{{m(1 - \varsigma )}^s}\gamma } \right|^i}, \end{equation*}$

$\begin{equation*} {g^{''}}(\varsigma) = (i)(i - 1){(\varsigma \rho +m (1 - \varsigma )\gamma )^{i - 2}}{(\rho - m\gamma )^2} - s(s - 1){\varsigma ^{s - 2}}{\rho ^i} - ms(s - 1){(1 - \varsigma )^{s - 2}}{\gamma ^i}, \end{equation*}$

$g^{''}(\varsigma) \geq 0$ and $g(1) = g(0)$ so $g\leq0$ and $|\chi^{'} (\omega)|^{q}$ is $(s, m)$ -convex, by using inequality (2.3) we have (2.18).

Remark 2.16. For $s, m = 1$ inequality (2.18) becomes $(5)$ of ^[5].

Example 2.17. For $i = 2$ and $p = q = 2$ Proposition 2.15 reduced to

$\begin{equation} \begin{array}{l} 2A({\rho ^2}, {\gamma ^2}) + {G^2}(\rho , \gamma ) \le \\ {(\frac{3}{\sqrt{6}})}\left( \begin{array}{l} {\left[ {A(3{\rho ^2}, {\gamma ^2}) + {G^2}(\rho , \gamma )} \right]^{\frac{1}{2}}}{\left[ {(\frac{{{\gamma ^2}}}{{(s + 1)(s + 2)}} + \frac{{{m\rho ^2}}}{{(s + 2)}})} \right]^{\frac{1}{2}}} + \\ {\left[ {A({\rho ^2}, 3{\gamma ^2}) + {G^2}(\rho , \gamma )} \right]^{\frac{1}{2}}}{\left[ {(\frac{{{m\rho ^2}}}{{(s + 1)(s + 2)}} + \frac{{{\gamma ^2}}}{{(s + 2)}})} \right]^{\frac{1}{2}}} \end{array} \right). \end{array} \end{equation}$

(2.19)

Proposition 2.18. Let $\rho, \gamma \in (0, \infty)$ with $\rho < \gamma$ , $q > 1$ and $n \in \mathbb{N}$ then we have

$\begin{equation} \times \begin{array}{*{20}{l}} {\left| {L_i^i(\rho , \gamma )\left[ {\sum\limits_{\nu = 0}^{n - 1} {\frac{{{{( - 1)}^\nu}P(i, \nu)}}{{(\nu + 1)!}} - 1} } \right]} \right| \le \frac{{P(i, n)}}{s^{\frac{1}{q}}{n!}}{{\left( {\frac{1}{2}} \right)}^{\frac{1}{p}}}{{(\gamma - \rho )}^{\frac{2}{p} - 1}}}\\ {{{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^{(i - n)q}}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^{(i - n)q}}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\gamma L_{nq + 1}^{nq + 1}(\kappa , \mu ) + {\mu ^2}L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}}\\ { + \frac{{P(i, n)}}{s^{\frac{1}{q}}{n!}}{{\left( {\frac{1}{2}} \right)}^{\frac{1}{p}}}{{(\gamma - \rho )}^{\frac{2}{p} - 1}}{{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^{(i - n)q}}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ {L_{nq + 2}^{nq + 2}(\rho , \gamma ) - 2\rho L_{nq + 1}^{nq + 1}(\rho , \gamma ) + {\rho ^2}L_{nq}^{nq}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^{(i - n)q}}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ { - L_{nq + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{nq + 1}^{nq + 1}(\rho , \gamma ) - \rho \gamma L_{nq}^{nq}(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}}. \end{array} \end{equation}$

(2.20)

Proof. Let,

$\begin{equation*} \chi (\omega) = {\omega^i}\\, {\left| {{\chi ^{(n)}}(\omega)} \right|^q} = {\left[ {P(i, n){\omega^{i - n}}} \right]^q} \end{equation*}$

As $|\chi^{n}(\omega)|^{q}$ is $(s, m)$ -convex on $(0, \infty)$ , therefore by using Theorem 2.3 required inequality (2.20) is obtained.

Remark 2.19. For $s, m = 1$ inequality (2.20) becomes inequality obtained in Proposition $4$ of ^[5].

Proposition 2.20. Let $\rho, \gamma \in (0, \infty)$ with $\rho < \gamma$ $q > 1$ and $n \in \mathbb{N}$ then we have,

$\begin{equation} 1 \le \frac{{{{(\gamma - \rho )}^{\frac{2}{p} - 2}}}}{{{s^{\frac{1}{q}}.2^{\frac{1}{p}}}}}\left( \begin{array}{l} {\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^{ - q}}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_{q}^{q}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^{ - q}}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\gamma L_{q + 1}^{q + 1}(\rho , \gamma ) + {\gamma ^2}L_{q}^{q}(\rho , \gamma )} \right]} \end{array}} \right)^{\frac{1}{q}}}\\ +{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^{ - q}}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\rho L_{q + 1}^{q + 1}(\rho , \gamma ) + {\rho ^2}L_{q}^{q}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^{ - q}}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_{q}^{q}(\rho , \gamma )} \right]} \end{array}} \right)^{\frac{1}{q}}} \end{array} \right), \end{equation}$

(2.21)

Proof.

$\begin{equation*} \chi (\omega) = \ln \omega, {\left| {{\chi ^{(1)}}(\omega)} \right|^q} = {\left[ {{\omega^{ - 1}}} \right]^q} \end{equation*}$

As ${\left| {{\chi ^{(1)}}(\omega)} \right|^q}$ is $(s, m)$ –convex, therefore by using inequality (2.6) required (2.21) obtained.

Remark 2.21. For $s, m = 1$ inequality (2.21) becomes inequality obtained in Proposition $5$ of ^[5].

Proposition 2.22. Let $\rho, \gamma \in (0, \infty)$ with $\rho < \gamma$ $q > 1$ and $i \in (-\infty, 0]\backslash\{-2q, q\}$ , then

$\begin{equation} L_{\frac{i}{q} + 1}^{\frac{i}{q} + 1}(\rho , \gamma ) \le \frac{{{{(\gamma - \rho )}^{\frac{2}{p} - 2}}}}{{{s^{\frac{1}{q}}.2^{\frac{1}{p}}}}}\left( \begin{array}{l} {\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^i}}}{{{{(\gamma - \rho )}^{s-1}{}}}}\left[ { - L_{q + 2}^{nq + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_{q}^{q}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^i}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\gamma L_{q + 1}^{q + 1}(\rho , \gamma ) + {\gamma ^2}L_{q}^{q}(\rho , \gamma )} \right]} \end{array}} \right)^{\frac{1}{q}}}\\ +{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^i}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\rho L_{q + 1}^{q + 1}(\rho , \gamma ) + {\rho ^2}L_{q}^{q}(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^m}}}{{{{(\gamma - \rho )}^{s-1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_{q}^{q}(\rho , \gamma )} \right]} \end{array}} \right)^{\frac{1}{q}}} \end{array} \right). \end{equation}$

(2.22)

Proof.

$\begin{equation*} \chi (\omega) = \frac{q}{{i + q}}{\omega^{\frac{i}{q} + 1}} |\chi^{'} (\omega)|^{q} = \omega^{i} \end{equation*}$

$|\chi^{'} (w)|^{q}$ is $(s, m)$ -convex by using inequality (2.6) required (2.22) obtained.

For $i = 1$ inequality (2.22) becomes,

$\begin{equation} L_{\frac{1}{q} + 1}^{\frac{1}{q} + 1}(\rho , \gamma ) \le \frac{{{{(\gamma - \rho )}^{\frac{2}{p} - 2}}}}{{{s^{\frac{1}{q}}.2^{\frac{1}{p}}}}}\left( {\begin{array}{*{20}{l}} {{{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma^1}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_q^q(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^1}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\gamma L_{q + 1}^{q + 1}(\rho , \gamma ) + {\gamma ^2}L_q^q(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}}\\ +{{{\left( {\begin{array}{*{20}{l}} {\frac{{{\gamma ^1}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ {L_{q + 2}^{q + 2}(\rho , \gamma ) - 2\rho L_{q + 1}^{q + 1}(\rho , \gamma ) + {\rho ^2}L_q^q(\rho , \gamma )} \right] + }\\ {\frac{{{m\rho ^1}}}{{{{(\gamma - \rho )}^{s - 1}}}}\left[ { - L_{q + 2}^{q + 2}(\rho , \gamma ) + (\rho + \gamma )L_{q + 1}^{q + 1}(\rho , \gamma ) - \rho \gamma L_q^q(\rho , \gamma )} \right]} \end{array}} \right)}^{\frac{1}{q}}}} \end{array}} \right). \end{equation}$

(2.23)

Remark 2.23. For $s, m = 1$ inequality (2.22) becomes inequality obtained in Proposition $6$ of ^[5].

Proposition 2.24. Let $\rho, \gamma \in (0, \infty)$ with $\rho < \gamma$ , $q > 1$ and $i \in [0, 1]$ we have,

$\begin{equation} \begin{array}{l} L_{\frac{i}{q} + 1}^{\frac{i}{q} + 1}(\rho , \gamma ) \le \\ \frac{{{2^{\frac{s}{q}}}{{(m\gamma - \rho )}^{\frac{1}{q}}}}}{{1!}} {A^{\frac{i}{q}}}(\rho , \gamma )\left( \begin{array}{l} {\left( {\gamma L_p^p(\rho , m\gamma ) - L_{p + 1}^{p + 1}(\rho , m\gamma )} \right)^{\frac{1}{p}}}\\ + {\left( {L_{p + 1}^{p + 1}(\rho , m\gamma ) - \rho L_p^p(\rho , m\gamma )} \right)^{\frac{1}{p}}} \end{array} \right). \end{array} \end{equation}$

(2.24)

Proof.

$\begin{equation*} \chi (\omega) = \frac{q}{{i + q}}{\omega^{\frac{i}{q} + 1}}, |\chi^{'} (\omega)|^{q} = \omega^{i}. \end{equation*}$

As $|\chi^{'} (\omega)|^{q}$ is $(s, m)$ -concave by using inequality (2.15) we obtain required inequality (2.24).

Remark 2.25. For $s, m = 1$ inequality (2.24) becomes the inequality obtained in Proposition $9$ of ^[5].

3. Conclusions

In this paper, Hölder-Isçan inequality is utilized to prove Hermite-Hadamard type inequalities for $n$ -times differentiable $(s, m)$ -convex functions. The method is adequate and provide many generalizations of existing results as shown in remarks. Moreover, many other inequalities can be generalized for other types of convex functions.

Acknowledgments

This research received funding support from the NSRF via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation, (grant number B05F650018)

Conflict of interest

The authors declare no conflict of interest.

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Vanishing viscosity on a star-shaped graph under general transmission conditions at the node

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1. Introduction

2. Main results

2.1. Modified inequalities for $n$ -times differentiable convex functions

2.2. Hadamard type inequality via $(s, m)$ -convexity

2.3. Application of Hadamrd type inequality via $(s, m)$ -concavity

2.4. Applications of newly obtained inequalities to means

3. Conclusions

Acknowledgments

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Vanishing viscosity on a star-shaped graph under general transmission conditions at the node

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Abstract

1. Introduction

2. Main results

2.1. Modified inequalities for n n -times differentiable convex functions

2.2. Hadamard type inequality via (s,m) (s, m) -convexity

2.3. Application of Hadamrd type inequality via (s,m) (s, m) -concavity

2.4. Applications of newly obtained inequalities to means

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2.1. Modified inequalities for $n$ -times differentiable convex functions

2.2. Hadamard type inequality via $(s, m)$ -convexity

2.3. Application of Hadamrd type inequality via $(s, m)$ -concavity