7 citations · 14 across the 8 of their papers we have counts for
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math.SP2008★ 7 cited
Spectral Theory of Elliptic Operators in Exterior Domains
Fritz Gesztesy, Mark M. Malamud
We consider various closed (and self-adjoint) extensions of elliptic differential expressions of the type $\cA=\sum_{0\le |α|,|β|\le m}(-1)^αD^αa_{α, β}(x)D^β$, $a_{α, β}(\cdot)\in…
math.FA2008
Generalized Polar Decompositions for Closed Operators in Hilbert Spaces and Some Applications
Fritz Gesztesy, Mark Malamud, Marius Mitrea +1
We study generalized polar decompositions of densely defined, closed linear operators in Hilbert spaces and provide some applications to relatively (form) bounded and relatively (f…