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Results tagged with fa.functional-analysis
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user 173845
Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.
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Sum of positive self-adjoint operator and an imaginary "potential": literature request
To keep things simple, let us consider the following: $L$ is a positive, unbounded S.A. operator on $L_2(\mathbb{R},f(x))$, where $f(x)$ is a Gaussian. Assume that we know the spectrum and eigenfuncti …
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