Principal currents for a pair of unitary operators
DOI10.1090/memo/0522zbMath0810.47018OpenAlexW2028023449MaRDI QIDQ4297239
Publication date: 18 April 1995
Published in: Memoirs of the American Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1090/memo/0522
singular integral equationsCauchy transformalgebraic \(K\)-theoryNevanlinna classscattering theoryphase shiftcyclic cohomologyperturbation determinantprincipal functionrank-one perturbationCourant's minimax principleKrein's phase-shiftsimilarity theory of Toeplitz operatorstrace class perturbations of Hilbert space self-adjoint operators
Subnormal operators, hyponormal operators, etc. (47B20) Perturbation theory of linear operators (47A55) Research exposition (monographs, survey articles) pertaining to operator theory (47-02) Integral equations of the convolution type (Abel, Picard, Toeplitz and Wiener-Hopf type) (45E10) Scattering theory of linear operators (47A40) Decomposition theory for (C^*)-algebras (46L45)