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CoHAs of Torsion Sheaves on Weighted Projective Curves

Algebraic Geometry 2025-02-24 v1 Representation Theory

Abstract

We describe the cohomological Hall algebra of torsion sheaves on a weighted projective line with weights (2,,2)(2, \dots, 2) in terms of generators and relations.

Keywords

Cite

@article{arxiv.2502.15517,
  title  = {CoHAs of Torsion Sheaves on Weighted Projective Curves},
  author = {Timm Peerenboom},
  journal= {arXiv preprint arXiv:2502.15517},
  year   = {2025}
}

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40 pages