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21 |
Mutually commuting extensions of mutually double commuting partial isometric operators
Baumgärtel, Hellmut. - Berlin : Karl-Weierstrass-Inst. für Mathematik, 1985
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22 |
On positive functionals on the algebra C1+L2(H) [CLH]
Baumgärtel, Hellmut. - Berlin : Akad. d. Wiss. d. DDR, Inst. für Mathematik, 1985
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23 |
Analytic perturbation theory for matrices and operators
Baumgärtel, Hellmut. - Berlin : Akademie-Verlag, 1984
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24 |
Mathematical scattering theory
Baumgärtel, Hellmut. - Basel : Birkhäuser, 1983
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25 |
Mathematical scattering theory
Baumgärtel, Hellmut. - Berlin : Akademie-Verlag, 1983
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26 |
Mathematical Scattering Theory
Baumgärtel, Hellmut. - Berlin/Boston : De Gruyter, 1983, Reprint 2024
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27 |
Mathematical Scattering Theory
Baumgärtel, Hellmut. - Berlin : De Gruyter, 1983, Reprint 2024
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Ankündigung
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28 |
Asymptotic resonance properties of the finite-dimensional Friedrichs model
Baumgärtel, Hellmut. - Berlin : Akad. d. Wiss. d. DDR, Zentralinst. für Mathematik u. Mechanik, 1979
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29 |
Proceedings of the International Conference on Operator Algebras, Ideals and Their Applications in Theoretical Physics
International Conference on Operator Algebras, Ideals and Their Applications in Theoretical Physics (1 : 1977 : Leipzig). - Leipzig : Teubner, BSB, 1978, 1. Aufl.
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30 |
Weakly asymptotic properties of the operator evolution ehni
Baumgärtel, Hellmut. - Berlin : Akad. d. Wiss. d. DDR, Zentralinst. für Mathematik u. Mechanik, 1978
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Administration
