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2021 Volume 6, Issue 12

Research article
On investigations of graphs preserving the Wiener index upon vertex removal
Yi Hu,  Zijiang Zhu,  Pu Wu,  Zehui Shao,  Asfand Fahad
2021, Volume 6, Issue 12: 12976-12985. doi: 10.3934/math.2021750
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Research article
Generalizations of strongly hollow ideals and a corresponding topology
Seçil Çeken,  Cem Yüksel
2021, Volume 6, Issue 12: 12986-13003. doi: 10.3934/math.2021751
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Research article
Existence results for coupled differential equations of non-integer order with Riemann-Liouville, Erdélyi-Kober integral conditions
Dumitru Baleanu,  S. Hemalatha,  P. Duraisamy,  P. Pandiyan,  Subramanian Muthaiah
2021, Volume 6, Issue 12: 13004-13023. doi: 10.3934/math.2021752
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Research article
Optimal bounds for the sine and hyperbolic tangent means by arithmetic and centroidal means in exponential type
Ling Zhu,  Branko Malešević
2021, Volume 6, Issue 12: 13024-13040. doi: 10.3934/math.2021753
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Research article
Existence and uniqueness results for a nonlinear singular fractional differential equation of order σ∈(1,2)
Sinan Serkan Bilgici,  Müfit ŞAN
2021, Volume 6, Issue 12: 13041-13056. doi: 10.3934/math.2021754
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Research article
Ground state solutions for periodic Discrete nonlinear Schrödinger equations
Xionghui Xu,  Jijiang Sun
2021, Volume 6, Issue 12: 13057-13071. doi: 10.3934/math.2021755
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Research article
Relation-theoretic metrical coincidence theorems under weak C-contractions and K-contractions
Faruk Sk,  Asik Hossain,  Qamrul Haq Khan
2021, Volume 6, Issue 12: 13072-13091. doi: 10.3934/math.2021756
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Research article
Switched coupled system of nonlinear impulsive Langevin equations with mixed derivatives
Rizwan Rizwan,  Jung Rye Lee,  Choonkil Park,  Akbar Zada
2021, Volume 6, Issue 12: 13092-13118. doi: 10.3934/math.2021757
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Research article
Multiple solutions for a class of boundary value problems of fractional differential equations with generalized Caputo derivatives
Yating Li,  Yansheng Liu
2021, Volume 6, Issue 12: 13119-13142. doi: 10.3934/math.2021758
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Research article Special Issue
Carathéodory properties of Gaussian hypergeometric function associated with differential inequalities in the complex plane
Georgia Irina Oros
2021, Volume 6, Issue 12: 13143-13156. doi: 10.3934/math.2021759
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Research article Special Issue
Asymptotic formulas for generalized gcd-sum and lcm-sum functions over r-regular integers (mod
Zhengjin Bu,  Zhefeng Xu
2021, Volume 6, Issue 12: 13157-13169. doi: 10.3934/math.2021760
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Research article
Fixed point results of an implicit iterative scheme for fractal generations
Haixia Zhang,  Muhammad Tanveer,  Yi-Xia Li,  Qingxiu Peng,  Nehad Ali Shah
2021, Volume 6, Issue 12: 13170-13186. doi: 10.3934/math.2021761
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Research article
A high order numerical method for solving Caputo nonlinear fractional ordinary differential equations
Xumei Zhang,  Junying Cao
2021, Volume 6, Issue 12: 13187-13209. doi: 10.3934/math.2021762
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Research article
Edge-fault-tolerant strong Menger edge connectivity of bubble-sort graphs
Yanling Wang,  Shiying Wang
2021, Volume 6, Issue 12: 13210-13221. doi: 10.3934/math.2021763
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Research article Special Issue
Left almost semihyperrings characterized by their hyperideals
Warud Nakkhasen
2021, Volume 6, Issue 12: 13222-13234. doi: 10.3934/math.2021764
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Research article
Mapping properties of Janowski-type harmonic functions involving Mittag-Leffler function
Murugusundaramoorthy Gangadharan,  Vijaya Kaliyappan,  Hijaz Ahmad,  K. H. Mahmoud,  E. M. Khalil
2021, Volume 6, Issue 12: 13235-13246. doi: 10.3934/math.2021765
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Research article Special Issue
The least squares Bisymmetric solution of quaternion matrix equation AXB = C
Dong Wang,  Ying Li,  Wenxv Ding
2021, Volume 6, Issue 12: 13247-13257. doi: 10.3934/math.2021766
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Research article
Analysis of optical solitons solutions of two nonlinear models using analytical technique
Naeem Ullah,  Muhammad Imran Asjad,  Azhar Iqbal,  Hamood Ur Rehman,  Ahmad Hassan,  Tuan Nguyen Gia
2021, Volume 6, Issue 12: 13258-13271. doi: 10.3934/math.2021767
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Research article
Some Ostrowski type inequalities via n -polynomial exponentially s -convex functions and their applications
Muhammad Tariq,  Soubhagya Kumar Sahoo,  Jamshed Nasir,  Hassen Aydi,  Habes Alsamir
2021, Volume 6, Issue 12: 13272-13290. doi: 10.3934/math.2021768
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Research article Special Issue
Quantum Hermite-Hadamard type inequalities for generalized strongly preinvex functions
Humaira Kalsoom,  Muhammad Amer Latif,  Muhammad Idrees,  Muhammad Arif,  Zabidin Salleh
2021, Volume 6, Issue 12: 13291-13310. doi: 10.3934/math.2021769
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Research article
Two meromorphic functions on annuli sharing some pairs of small functions or values
Hongzhe Cao
2021, Volume 6, Issue 12: 13311-13326. doi: 10.3934/math.2021770
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Research article
Quantum Hermite-Hadamard and quantum Ostrowski type inequalities for s -convex functions in the second sense with applications
Suphawat Asawasamrit,  Muhammad Aamir Ali,  Hüseyin Budak,  Sotiris K. Ntouyas,  Jessada Tariboon
2021, Volume 6, Issue 12: 13327-13346. doi: 10.3934/math.2021771
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Research article
Linear Bayesian equilibrium in insider trading with a random time under partial observations
Kai Xiao,  Yonghui Zhou
2021, Volume 6, Issue 12: 13347-13357. doi: 10.3934/math.2021772
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Research article
Existence solution of a system of differential equations using generalized Darbo's fixed point theorem
Rahul,  Nihar Kumar Mahato
2021, Volume 6, Issue 12: 13358-13369. doi: 10.3934/math.2021773
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Research article
Solving singular coupled fractional differential equations with integral boundary constraints by coupled fixed point methodology
Hasanen A. Hammad,  Watcharaporn Chaolamjiak
2021, Volume 6, Issue 12: 13370-13391. doi: 10.3934/math.2021774
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Research article Special Issue
A Lie group integrator to solve the hydromagnetic stagnation point flow of a second grade fluid over a stretching sheet
Mir Sajjad Hashemi,  Hadi Rezazadeh,  Hassan Almusawa,  Hijaz Ahmad
2021, Volume 6, Issue 12: 13392-13406. doi: 10.3934/math.2021775
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Research article
Final dynamics of systems of nonlinear parabolic equations on the circle
Aleksandr V. Romanov
2021, Volume 6, Issue 12: 13407-13422. doi: 10.3934/math.2021776
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Research article
Time decay rates for the coupled modified Navier-Stokes and Maxwell equations on a half space
Jae-Myoung Kim
2021, Volume 6, Issue 12: 13423-13431. doi: 10.3934/math.2021777
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Research article Special Issue
Prominent interior GE-filters of GE-algebras
Seok-Zun Song,  Ravikumar Bandaru,  Young Bae Jun
2021, Volume 6, Issue 12: 13432-13447. doi: 10.3934/math.2021778
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Research article
On the improved thinning risk model under a periodic dividend barrier strategy
Fuyun Sun,  Yuelei Li
2021, Volume 6, Issue 12: 13448-13463. doi: 10.3934/math.2021779
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Research article
Powell-Eyring fluid flow over a stratified sheet through porous medium with thermal radiation and viscous dissipation
W. Abbas,  Ahmed M. Megahed
2021, Volume 6, Issue 12: 13464-13479. doi: 10.3934/math.2021780
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Research article
A generalized alternating harmonic series
Shelby Kilmer,  Songfeng Zheng
2021, Volume 6, Issue 12: 13480-13487. doi: 10.3934/math.2021781
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Research article
Nonparametric estimation of the measure of functional dependence
Qingsong Shan,  Qianning Liu
2021, Volume 6, Issue 12: 13488-13502. doi: 10.3934/math.2021782
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Research article Special Issue
Further results on permutation polynomials and complete permutation polynomials over finite fields
Qian Liu,  Jianrui Xie,  Ximeng Liu,  Jian Zou
2021, Volume 6, Issue 12: 13503-13514. doi: 10.3934/math.2021783
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Research article
On the number of unit solutions of cubic congruence modulo n
Junyong Zhao
2021, Volume 6, Issue 12: 13515-13524. doi: 10.3934/math.2021784
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Research article
Observability estimate for the parabolic equations with inverse square potential
Guojie Zheng,  Baolin Ma
2021, Volume 6, Issue 12: 13525-13532. doi: 10.3934/math.2021785
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Research article
Multilinear strongly singular integral operators with generalized kernels and applications
Shuhui Yang,  Yan Lin
2021, Volume 6, Issue 12: 13533-13551. doi: 10.3934/math.2021786
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Research article Special Issue
The onset of Marangoni bio-thermal convection in a layer of fluid containing gyrotactic microorganisms
Latifa I. Khayyat,  Abdullah A. Abdullah
2021, Volume 6, Issue 12: 13552-13565. doi: 10.3934/math.2021787
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Research article
A new class of Appell-type Changhee-Euler polynomials and related properties
Tabinda Nahid,  Mohd Saif,  Serkan Araci
2021, Volume 6, Issue 12: 13566-13579. doi: 10.3934/math.2021788
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Research article
Periodic solution for inertial neural networks with variable parameters
Lingping Zhang,  Bo Du
2021, Volume 6, Issue 12: 13580-13591. doi: 10.3934/math.2021789
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Research article
A general class of estimators on estimating population mean using the auxiliary proportions under simple and two phase sampling
Xuechen Liu,  Muhammad Arslan
2021, Volume 6, Issue 12: 13592-13607. doi: 10.3934/math.2021790
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Research article
Bohr-type inequalities for bounded analytic functions of Schwarz functions
Xiaojun Hu,  Qihan Wang,  Boyong Long
2021, Volume 6, Issue 12: 13608-13621. doi: 10.3934/math.2021791
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Research article Special Issue
On solvability of some p -Laplacian boundary value problems with Caputo fractional derivative
Xiaoping Li,  Dexin Chen
2021, Volume 6, Issue 12: 13622-13633. doi: 10.3934/math.2021792
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Research article
Pullback random attractors of stochastic strongly damped wave equations with variable delays on unbounded domains
Li Yang
2021, Volume 6, Issue 12: 13634-13664. doi: 10.3934/math.2021793
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Research article Special Issue
Classification of nonnegative solutions to fractional Schrödinger-Hatree-Maxwell type system
Yaqiong Liu,  Yunting Li,  Qiuping Liao,  Yunhui Yi
2021, Volume 6, Issue 12: 13665-13688. doi: 10.3934/math.2021794
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Research article
Modelling chaotic dynamical attractor with fractal-fractional differential operators
Sonal Jain,  Youssef El-Khatib
2021, Volume 6, Issue 12: 13689-13725. doi: 10.3934/math.2021795
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Research article
Pringsheim and statistical convergence for double sequences on L- fuzzy normed space
Reha Yapalı,  Utku Gürdal
2021, Volume 6, Issue 12: 13726-13733. doi: 10.3934/math.2021796
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Research article Special Issue
On the neighbor-distinguishing in generalized Petersen graphs
Shabbar Naqvi,  Muhammad Salman,  Muhammad Ehtisham,  Muhammad Fazil,  Masood Ur Rehman
2021, Volume 6, Issue 12: 13734-13745. doi: 10.3934/math.2021797
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Research article Special Issue
Oscillation of arbitrary-order derivatives of solutions to the higher order non-homogeneous linear differential equations taking small functions in the unit disc
Pan Gong,  Hong Yan Xu
2021, Volume 6, Issue 12: 13746-13757. doi: 10.3934/math.2021798
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Research article
A fractal hypernetwork model with good controllability
Xiujuan Ma,  Fuxiang Ma,  Jun Yin
2021, Volume 6, Issue 12: 13758-13773. doi: 10.3934/math.2021799
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Research article
Blow-up analysis for a reaction-diffusion equation with gradient absorption terms
Mengyang Liang,  Zhong Bo Fang,  Su-Cheol Yi
2021, Volume 6, Issue 12: 13774-13796. doi: 10.3934/math.2021800
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Research article
Nonlocal fractional p(\cdot) -Kirchhoff systems with variable-order: Two and three solutions
Weichun Bu,  Tianqing An,  Guoju Ye,  Yating Guo
2021, Volume 6, Issue 12: 13797-13823. doi: 10.3934/math.2021801
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Research article
Two new preconditioners for mean curvature-based image deblurring problem
Shahbaz Ahmad,  Adel M. Al-Mahdi,  Rashad Ahmed
2021, Volume 6, Issue 12: 13824-13844. doi: 10.3934/math.2021802
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Research article
Miscellaneous reverse order laws and their equivalent facts for generalized inverses of a triple matrix product
Yongge Tian
2021, Volume 6, Issue 12: 13845-13886. doi: 10.3934/math.2021803
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Research article
M-polynomial and topological indices of some transformed networks
Fei Yu,  Hifza Iqbal,  Saira Munir,  Jia Bao Liu
2021, Volume 6, Issue 12: 13887-13906. doi: 10.3934/math.2021804
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Research article
Some integral inequalities for generalized preinvex functions with applications
Muhammad Tariq,  Soubhagya Kumar Sahoo,  Fahd Jarad,  Bibhakar Kodamasingh
2021, Volume 6, Issue 12: 13907-13930. doi: 10.3934/math.2021805
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Research article
A new parallel data geometry analysis algorithm to select training data for support vector machine
Yunfeng Shi,  Shu Lv,  Kaibo Shi
2021, Volume 6, Issue 12: 13931-13953. doi: 10.3934/math.2021806
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Research article
On generalizations of quantum Simpson's and quantum Newton's inequalities with some parameters
Chanon Promsakon,  Muhammad Aamir Ali,  Hüseyin Budak,  Mujahid Abbas,  Faheem Muhammad,  Thanin Sitthiwirattham
2021, Volume 6, Issue 12: 13954-13975. doi: 10.3934/math.2021807
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Research article
On a new flexible Lomax distribution: statistical properties and estimation procedures with applications to engineering and medical data
Refah Alotaibi,  Hassan Okasha,  Hoda Rezk,  Abdullah M. Almarashi,  Mazen Nassar
2021, Volume 6, Issue 12: 13976-13999. doi: 10.3934/math.2021808
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Research article
Globally projective synchronization for Caputo fractional quaternion-valued neural networks with discrete and distributed delays
Chen Wang,  Hai Zhang,  Hongmei Zhang,  Weiwei Zhang
2021, Volume 6, Issue 12: 14000-14012. doi: 10.3934/math.2021809
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Research article
Adapted block hybrid method for the numerical solution of Duffing equations and related problems
Ridwanulahi Iyanda Abdulganiy,  Shiping Wen,  Yuming Feng,  Wei Zhang,  Ning Tang
2021, Volume 6, Issue 12: 14013-14034. doi: 10.3934/math.2021810
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Research article
A remark on the existence of positive radial solutions to a Hessian system
Dragos-Patru Covei
2021, Volume 6, Issue 12: 14035-14043. doi: 10.3934/math.2021811
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Research article Special Issue
Further results on LCD generalized Gabidulin codes
Xubo Zhao,  Xiaoping Li,  Tongjiang Yan,  Yuhua Sun
2021, Volume 6, Issue 12: 14044-14053. doi: 10.3934/math.2021812
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Research article
A characterization of ruled hypersurfaces in complex space forms in terms of the Lie derivative of shape operator
Wenjie Wang
2021, Volume 6, Issue 12: 14054-14063. doi: 10.3934/math.2021813
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Editorial
Annual Report 2021
Alain Miranville
2021, Volume 6, Issue 12: 14064-14068. doi: 10.3934/math.2021814
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