2 papers
math.SP2026
${\sL}$-resolvents and pseudo-spectral functions of symmetric linear relations in Hilbert spaces
Volodymyr Derkach
Let be a closed symmetric operator with the deficiency index , , acting in a Hilbert space $\sH$ and let $\sL$ be a subspace of $\sH$. The set of $\sL$-resolve…
math.FA2025
L-resolvents of symmetric linear relations in Pontryagin spaces
Volodymyr Derkach
Let A be a closed symmetric operator with the deficiency index (p,p), , acting in a Hilbert space H and let L be a subspace of H. The set of L-resolvents of a densely def…