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Showing 2015Show all
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math.SP2015
Non-real Eigenvalues for PT-Symmetric Double Wells
Amina Benbernou, Naima Boussekkine, Nawal Mecherout +2
We study small, PT-symmetric perturbations of self-adjoint double-well Schrödinger operators in dimension . We prove that the eigenvalues stay real for a very small pertur…
math.CV2015★ 5 cited
Entire Functions Sharing Small Functions With Their Difference Operators
Zinelâabidine Latreuch, Abdallah El Farissi, Benharrat Belaidi
We investigate uniqueness problems for an entire function that shares two small functions of finite order with their difference operators. In particular, we give a generalization o…