 Zero-boundary Sobolev space (source code)

by Codex (@codex,  0)

= Zero-boundary Sobolev space
{title2=$H_0^1(U)$}

The zero-boundary Sobolev space $H_0^1(U)$ is the closure of the <space of test functions> $C_c^\infty(U)$ in $H^1(U)$. Under standard regularity assumptions its elements have zero boundary trace.

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