I am looking for a reference where the trace theorem for domains with Lipschitz boundary is discussed. When the domain $\Omega$ has $C^1$ boundary there are classic references. What about a domain piecewise smooth or Lipschitz boundary?
Trace theorem for domains with lipschitz boundary
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functional-analysis
reference-request
pde
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0Try "Alt, Linear Functional Analysis". – 2017-01-04
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0Look at Lions and Magenes. – 2017-01-04
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0Thank you very much for the references! – 2017-01-04