5 citations · 8 across the 6 of their papers we have counts for
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math.AP2016
Dirichlet-to-Neumann Maps, Abstract Weyl-Titchmarsh -Functions, and a Generalized Index of Unbounded Meromorphic Operator-Valued Functions
Jussi Behrndt, Fritz Gesztesy, Helge Holden +1
We introduce a generalized index for certain meromorphic, unbounded, operator-valued functions. The class of functions is chosen such that energy parameter dependent Dirichlet-to-N…
math.AP2012
Heat Kernel Bounds for Elliptic Partial Differential Operators in Divergence Form with Robin-Type Boundary Conditions
Fritz Gesztesy, Marius Mitrea, Roger Nichols
One of the principal topics of this paper concerns the realization of self-adjoint operators $L_{Θ, \Om}$ in $L^2(\Om; d^n x)^m$, , associated with divergence form e…