English

Obstructions to the existence of Bounded {\it t}--structures

Algebraic Geometry 2022-12-29 v2 Category Theory K-Theory and Homology

Abstract

In a striking 2019 article, Antieau, Gepner and Heller found {\it K--}theoretic obstructions to bounded t-structures. We will survey their work, as well as some progress since. The focus will be on the open problems that arise from this.

Cite

@article{arxiv.2208.06863,
  title  = {Obstructions to the existence of Bounded {\it t}--structures},
  author = {Amnon Neeman},
  journal= {arXiv preprint arXiv:2208.06863},
  year   = {2022}
}

Comments

This improved version has been cleaned up following many kind suggestions by readers

R2 v1 2026-06-25T01:41:55.289Z