English

Mutating ordered $\tau$-rigid modules with applications to Nakayama algebras

Representation Theory 2025-01-24 v1

Abstract

A mutation operation for τ\tau-exceptional sequences of modules over any finite-dimensional algebra was recently introduced, generalising the mutation for exceptional sequences of modules over hereditary algebras. We interpret this mutation in terms of TF-ordered τ\tau-rigid modules, which are in bijection with τ\tau-exceptional sequences. As an application we show that the mutation is transitive for Nakayama algebras, by providing an explicit combinatorial description of mutation over this class of algebras.

Keywords

Cite

@article{arxiv.2501.13694,
  title  = {Mutating ordered $\tau$-rigid modules with applications to Nakayama algebras},
  author = {Aslak B. Buan and Maximilian Kaipel and Håvard U. Terland},
  journal= {arXiv preprint arXiv:2501.13694},
  year   = {2025}
}

Comments

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