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Topological quantum field theory.

5 votes
1 answer
902 views

What is the Gromov-Witten potential associated to String Topology?

Kevin Costello's article on the Gromov-Witten potential associated to a TCFT constructs for each TCFT, i.e. a functor from chains on Riemann surfaces with boundary to chain complexes satisfying certai …
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7 votes
1 answer
709 views

Can string topology be a open-closed TCFT with the full set of branes?

String topology studies the algebraic structure of the homology of the free loop space $LM = Map(S^1,M)$ of a oriented closed manifold. One aspect of this structure is that the pair $(H_\ast(LM;\mathb …
skupers's user avatar
  • 8,167
24 votes
1 answer
1k views

When is a TQFT the dimensional reduction of a higher dimensional TQFT?

In Lurie's framework for TQFT's, a TQFT is a symmetric mondoial functor from $Cob_n(n)$ to some symmetric monoidal $n$-category $\mathcal{C}$. One can construct an $(n-1)$-dimensional TQFT from an $n$ …
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  • 8,167
4 votes
0 answers
468 views

Does a Dehn twist in the mapping class group of an cobordism give a BV-operator in string to...

In her article Higher string topology operations, Godin in particular construct for each surface with $n$ incoming and $m \geq 1$ outgoing boundary circles an operation $H_\ast(BMod(S);det^{\otimes d} …
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