English

Modules determined by their Newton polytopes

Representation Theory 2025-01-16 v2 Rings and Algebras

Abstract

In the τ\tau-tilting theory, there exist two classes of foundamental modules: indecomposable τ\tau-rigid modules and left finite bricks. In this paper, we prove the indecomposable τ\tau-rigid modules and the left finite bricks are uniquely determined by their Newton polytopes spanned by the dimensional vectors of their quotient modules. This is a kind of generalization of Gabriel's result that the indecomposable modules over path algebras of Dynkin quivers are uniquely determined by their dimensional vectors.

Keywords

Cite

@article{arxiv.2501.07310,
  title  = {Modules determined by their Newton polytopes},
  author = {Peigen Cao},
  journal= {arXiv preprint arXiv:2501.07310},
  year   = {2025}
}

Comments

5 pages. v2: typos corrected. arXiv admin note: text overlap with arXiv:2306.11438

R2 v1 2026-06-28T21:04:37.054Z