Semistable Graph Homology
arXiv:1610.07242
Abstract
Using the orbicell decomposition of the Deligne-Mumford compactification of the moduli space of Riemann surfaces studied previously, a chain complex based on semistable ribbon graphs is constructed which is an extension of Konsevich's graph homology.
21 pages, 16 figures. arXiv admin note: substantial text overlap with arXiv:0708.2441