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A generalized winding number formula for the Witten index of a Toeplitz operator (2501.15436v1)
Published 26 Jan 2025 in math.FA and math.OA
Abstract: We generalize the winding number formula for the Fredholm index of a Toeplitz operator to the Witten index. We also show trace formulae involving Toeplitz operators and operator monotone functions.
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