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Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.

1 vote
2 answers
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Witten index non-trivial in the context of Quantum Mechanics?

Let $H$ be a self-adjoint Hamiltonian and $H$ admits a decomposition into closed operators $D,D^*$, such that we have $H = D^*D$. I will now consider the one-dimensional case on a compact set: So as …
Christian Schäfer's user avatar