2 papers
math.AT2018
Signature Cocycles on the Mapping Class Group and Symplectic Groups
Dave Benson, Caterina Campagnolo, Andrew Ranicki +1
Werner Meyer constructed a cocycle in which computes the signature of a closed oriented surface bundle over a surface, with fibre a surface of…
math.AT2018
Relating Cut and Paste Invariants and TQFTs
Carmen Rovi, Matthew Schoenbauer
In this paper, we shall be concerned with a relation between TQFTs and cut and paste invariants introduced by Karras, Kreck, Neumann and Ossa. Cut and paste invariants, or SK invar…