English

A combinatorial construction of symplectic expansions

Geometric Topology 2012-07-20 v2 Algebraic Topology

Abstract

The notion of a symplectic expansion directly relates the topology of a surface to formal symplectic geometry. We give a method to construct a symplectic expansion by solving a recurrence formula given in terms of the Baker-Campbell-Hausdorff series.

Keywords

Cite

@article{arxiv.1009.2219,
  title  = {A combinatorial construction of symplectic expansions},
  author = {Yusuke Kuno},
  journal= {arXiv preprint arXiv:1009.2219},
  year   = {2012}
}

Comments

8 pages, 1 figure; corrections and modifications have been done in v2

R2 v1 2026-06-21T16:12:47.295Z