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arxiv: math/0703287 · v1 · submitted 2007-03-10 · 🧮 math.FA · math.SP

Spectral flow as winding number and integral formulas

classification 🧮 math.FA math.SP
keywords flowspectralintegralnumberwindingcertainconditionsderived
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A general integral formula for the spectral flow of a path of unbounded selfadjoint Fredholm operators subject to certain summability conditions is derived from the interpretation of the spectral flow as a winding number.

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