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$\mathbb Z_N$ (discrete) gauge theory

I am currently trying to go through some literature on symmetry protected topological phases and gauge theories defined on lattices. I am looking for a mathematically precise reference that discusses $...
7 votes
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164 views

Existence of Schwinger Functions for QCD?

It seems to me the 'naive' approach to proving the existence of Yang-Mills in a rigorous context (via Osterwalder-Schrader $\to$ Wightman axioms), would be: Study gauge invariant lattice QCD ...
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