English

The extensions of t-structures

Representation Theory 2022-05-24 v1 Rings and Algebras

Abstract

We reformulate a result of Bernhard Keller on extensions of tt-structures and give a detailed proof. In the study of hereditary tt-structures, the notions of regular tt-structures and global dimensions arise naturally.

Keywords

Cite

@article{arxiv.2205.10831,
  title  = {The extensions of t-structures},
  author = {Xiao-Wu Chen and Zengqiang Lin and Yu Zhou},
  journal= {arXiv preprint arXiv:2205.10831},
  year   = {2022}
}

Comments

14 pages. Any comments are welcome

R2 v1 2026-06-24T11:24:45.501Z