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Dagger $n$-categories
We present a coherent definition of dagger $(\infty,n)$-category in terms of equivariance data trivialized on parts of the category. Our main example is the bordism higher category $\mathbf{Bord}_{n}^X$. This allows us to define a reflection-positive topological quantum field theory to be a higher dagger functor from $\mathbf{Bord}_{n}^X$ to some target …