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

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Epi-convergence to indicator function

Let the indicator function be defined as $$I(x) \triangleq \begin{cases} 1, & \quad x \geq 0 \\ 0, & \quad x < 0 \end{cases}$$ and $I_{\nu}(x) \in [0,1]$ be a continuous approximation of $I(x)$ with t …
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