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most citedFusion 2-categories and a state-sum invariant for 4-manifolds

105 citations · 325 across the 15 of their papers we have counts for

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math.GT2020★ 4 cited

Semisimple 4-dimensional topological field theories cannot detect exotic smooth structure

David Reutter

We prove that semisimple 4-dimensional oriented topological field theories lead to stable diffeomorphism invariants and can therefore not distinguish homeomorphic closed oriented s…