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Results tagged with operator-theory
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user 87714
Spectrum, resolvent, numerical range, functional calculus, operator semigroups. Special classes of operators: compact, Fredholm, dissipative, differential, integral, pseudodifferential, etc.
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Boundness and adjoint of an integration operator
Let's define the operator $K$ as
$$
\begin{eqnarray*}
K :&H&\longrightarrow &\;\:Z&\\
&y\left( x;\sigma \right) &\mapsto &\!\!\!\!\int_{0}^{1}C\left( \sigma \right)
y\left( x;\sigma \right) d\sigma&
…
