English

Geometric presentation for the cohomology ring of polygon spaces

Geometric Topology 2018-02-12 v2

Abstract

We describe the cohomology ring of the moduli space of a flexible polygon in geometrically meaningful terms. We propose two presentations, both are computation friendly: there are simple rules for cup product.

Keywords

Cite

@article{arxiv.1801.00785,
  title  = {Geometric presentation for the cohomology ring of polygon spaces},
  author = {Ilia Nekrasov and Gaiane Panina},
  journal= {arXiv preprint arXiv:1801.00785},
  year   = {2018}
}

Comments

arXiv admin note: text overlap with arXiv:1707.04144