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Generalized boundary triples,I. Some classes of isometric and unitary boundary pairs and realization problems for subclasses of Nevanlinna functions |
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| Authors: | Volodymyr Derkach Seppo Hassi Mark Malamud |
| Affiliation: | 1. Department of Mathematics, Vasyl Stus Donetsk National University, Vinnitsya, 21021 Ukraine Department of Mathematics, National Pedagogical Dragomanov University, Pirogova 9, Kyiv, 01001 Ukraine;2. Department of Mathematics and Statistics, University of Vaasa, P.O. Box 700, Vaasa, 65101 Finland;3. Peoples' Friendship University of Russia, 6 Miklukho-Maklaya St, Moscow, 117198 Russian Federation |
| Abstract: | |
| Keywords: | boundary triple boundary value problem Green's identities resolvent selfadjoint extension symmetric operator trace operator Weyl family Weyl function |