19 citations · 55 across the 16 of their papers we have counts for
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hep-th2017★ 12 cited
Extended quantum field theory, index theory and the parity anomaly
Lukas Müller, Richard J. Szabo
We use techniques from functorial quantum field theory to provide a geometric description of the parity anomaly in fermionic systems coupled to background gauge and gravitational f…
math.QA2017
A GNS construction of three-dimensional abelian Dijkgraaf-Witten theories
Lukas Müller, Christoph Schweigert
We give a detailed account of the so-called "universal construction" that aims to extend invariants of closed manifolds, possibly with additional structure, to topological field th…