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Pseudo-Differential...
Pseudo-Differential Operators with Point Interactions
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- Albeverino, S. (författare)
- Department of Mathematics, Ruhr University Bochum, D 44780, Bochum, Germany; SFB 237 Essen-Bochum-Düsseldorf, Germany; BiBoS Research Center, D 33615, Bielefeld, Germany; CERFIM, Locarno, Switzerland
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- Kurasov, Pavel (författare)
- Lund University,Lunds universitet,Stockholms universitet,Luleå tekniska universitet,Department of Mathematics, Ruhr University Bochum, D 44780, Bochum, Germany; Mathematical Institute, Stockholm University, 10691, Stockholm, Sweden; Department of Physics, St. Petersburg University, 198904, St. Petersburg, Russia,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 1997
- 1997
- Engelska.
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Ingår i: Letters in Mathematical Physics. - 0377-9017 .- 1573-0530. ; 41, s. 79-92
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Point interactions for pseudo-differential operators are studied. Necessary and sufficient conditions for a pseudo-differential operator to have nontrivial point perturbations are given. The results are applied to the construction of relativistic spin zero Hamiltonians with point interactions.
Ämnesord
- NATURVETENSKAP -- Matematik -- Matematisk analys (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Mathematical Analysis (hsv//eng)
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Nyckelord
- pseudo-differential operators
- extension theory
- symmetric operators
- spectral theory
- point interactions
- Krein’s formula
- Matematik
- Mathematics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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