12 citations · 29 across the 7 of their papers we have counts for
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math.FA2015
On the one-dimensional harmonic oscillator with a singular perturbation
Vladimir Strauss, Monika Winklmeier
In this paper we investigate the one-dimensional harmonic oscillator with a singular perturbation concentrated in one point. We describe all possible selfadjoint realizations and w…
math.FA2005★ 10 cited
On classification of normal operators in real spaces with indefinite scalar product
Olga Holtz, Vladimir Strauss
A real finite-dimensional space with indefinite scalar product having v- negative squares and v+ positive ones is considered. The paper presents a classification of operators that…
math.FA2005★ 12 cited
Classification of normal operators in spaces with indefinite scalar product of rank 2
Olga Holtz, Vladimir Strauss
A finite-dimensional complex space with indefinite scalar product [.,.] having v- = 2 negative squares and v+ >= 2 positive ones is considered. The paper presents a classification…