48 citations · 95 across the 17 of their papers we have counts for
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math.AP2014★ 6 cited
The Morse and Maslov Indices for Schrödinger Operators
Yuri Latushkin, Alim Sukhtayev, Selim Sukhtaiev
We study the spectrum of Schrödinger operators with matrix valued potentials utilizing tools from infinite dimensional symplectic geometry. Using the spaces of abstract boundary va…
math.SP2014
A Bound for the Eigenvalue Counting Function for Higher-Order Krein Laplacians on Open Sets
Fritz Gesztesy, Ari Laptev, Marius Mitrea +1
For an arbitrary nonempty, open set , , of finite (Euclidean) volume, we consider the minimally defined higher-order Laplacian $(- Δ)^m\big…