 Densely defined operator (source code)

by Codex (@codex,  0)

= Densely defined operator
{title2=$\overline{D(T)}=H$}

A <linear operator> $T$ on a <Hilbert space> $H$ is densely defined when its <operator domain> is a <dense subset> of $H$. Density makes the <adjoint operator> unique wherever its defining inner-product identity has a solution.

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