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Results tagged with fa.functional-analysis
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user 112731
Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.
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Using Fredholm theory to evaluate a ratio of operator determinants
This is part of a proof from Sidney Coleman's "Aspects of Symmetry," page 340.
We start with the equation
$$(\partial_{t}^2 - W(t))\psi = \lambda \psi$$
where W is a bounded function of time, and …
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