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Results tagged with fa.functional-analysis
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user 70757
Banach spaces, function spaces, real functions, integral transforms, theory of distributions, measure theory.
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Sobolev trace map: is the fractional seminorm bounded by just the gradient?
Let $M$ be a compact Riemann manifold. Consider the trace map $T:H^1(M) \to H^{\frac 12}(\partial M)$. Is it always the case that
$$|Tu|_{H^{\frac 12}(\partial M)} \leq C\lVert \nabla u \rVert_{L^2(M …
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