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Results tagged with differential-operators
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user 75058
Elliptic, parabolic and hyperbolic operators. Laplace, Laplace-Beltrami, Schrödinger, Dirac. Exterior derivative and Lie derivative operators.
6
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3
answers
741
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A possible trace (inequality) defined under negative Sobolev scale
Why is that not possible (if it is not) to define the trace of a function in a very weak regularity space $H^{-s}(\partial \Omega)$? We usually encounter trace theorem as
$$Tr: H^{s}(\Omega) \right …
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