Generalised Kontsevich graphs, topological recursion and r-spin intersection numbers
By Elba Garcia-Failde
Multiple Cover Formula for the Stable Pairs Theory of K3xE
By Georg Oberdieck
By Jie Ren
Appears in collection : Higher Structures in Holomorphic and Topological Field Theory
The motivic Donaldson-Thomas invariants for 3 Calabi-Yau categories were introduced by Kontsevich and Soibelman. In this talk, I will give a brief introduction to the 2 Calabi-Yau case, mainly via motivic Hall algebras.