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math-ph2022★ 8 cited
Commutators on Fock spaces
Daniel Alpay, Paula Cerejeiras, Uwe Kaehler +1
Given a weighted space with weights associated to an entire function, we consider pairs of weighted shift operators, whose commutators are diagonal operators, when conside…
math-ph2007
Fundamental Solutions of the Instationary Schrodinger Difference Operator
P. Cerejeiras, N. Vieira
In this paper we will study the existence of fundamental solutions for the explicit and implicit backward time dependent Schodinger equation, via discrete Fourier transform and its…
math-ph2007★ 11 cited
Factorization of the Non-Stationary Schrodinger Operator
P. Cerejeiras, N. Vieira
We consider a factorization of the non-stationary Schrodinger operator based on the parabolic Dirac operator introduced by Cerejeiras/ Kahler/ Sommen. Based on the fundamental solu…