Research article

Relative cluster tilting subcategories in an extriangulated category

  • Received: 02 August 2022 Revised: 04 January 2023 Accepted: 08 January 2023 Published: 31 January 2023
  • Let $ \mathscr{B} $ be an extriangulated category which admits a cluster tilting subcategory $ \mathcal{T} $. We firstly introduce notions of $ \mathcal{T} $-cluster tilting subcategories and related subcategories. Then we prove there is a correspondence between $ \mathcal{T} $-cluster tilting subcategories of $ \mathscr{B} $ and support $ \tau $-tilting pairs of $ mod \underline{\Omega(\mathcal{T}}) $, which recovers several main results from the literature. Note that the generalization is nontrivial and we give a new proof technique.

    Citation: Zhen Zhang, Shance Wang. Relative cluster tilting subcategories in an extriangulated category[J]. Electronic Research Archive, 2023, 31(3): 1613-1624. doi: 10.3934/era.2023083

    Related Papers:

  • Let $ \mathscr{B} $ be an extriangulated category which admits a cluster tilting subcategory $ \mathcal{T} $. We firstly introduce notions of $ \mathcal{T} $-cluster tilting subcategories and related subcategories. Then we prove there is a correspondence between $ \mathcal{T} $-cluster tilting subcategories of $ \mathscr{B} $ and support $ \tau $-tilting pairs of $ mod \underline{\Omega(\mathcal{T}}) $, which recovers several main results from the literature. Note that the generalization is nontrivial and we give a new proof technique.



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  • © 2023 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)
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