17 citations · 69 across the 11 of their papers we have counts for
Showing 2018Show all
2 papers · 1 filter
math.FA2018★ 1 cited
On Lax-Phillips scattering matrix of the abstract wave equation
M. Gawlik, A. Glówczyk, S. Kuzhel
The dependence of singularities of scattering matrices of the abstract wave equation on the choice of asymptotically equivalent outgoing/incoming subspaces is studied. The obtained…
math.FA2018★ 6 cited
Phillips symmetric operators and their extensions
S. Kuzhel, L. Nizhnik
Let be a symmetric operator with equal defect numbers and let be a set of unitary operators in a Hilbert space . The operator is called $\mathf…