Allahverdiev, Bilender P.; Tuna, Huseyin Indices defect theory of singular Hahn-Sturm-Liouville operators. (English) Zbl 1462.39016 J. Appl. Anal. Comput. 9, No. 5, 1719-1730 (2019). MSC: 39A70 39A12 47B25 39A13 34B20 × Cite Format Result Cite Review PDF Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin Limit-point criteria for \(q\)-Sturm-Liouville equations. (English) Zbl 1427.39003 Quaest. Math. 42, No. 10, 1291-1299 (2019). MSC: 39A13 33D05 33D15 47A99 47B25 34B20 × Cite Format Result Cite Review PDF Full Text: DOI
Bahri, S. M. Carleman integral operators as multiplication operators and perturbation theory. (English) Zbl 1488.45057 Kragujevac J. Math. 41, No. 1, 71-80 (2017). MSC: 45P05 47G10 × Cite Format Result Cite Review PDF Full Text: Link
Jorgensen, Palle E. T.; Pearse, Erin P. J. Symmetric pairs of unbounded operators in Hilbert space, and their applications in mathematical physics. (English) Zbl 1424.47055 Math. Phys. Anal. Geom. 20, No. 2, Paper No. 14, 24 p. (2017). MSC: 47B25 46L36 47B15 47B32 60H07 05C50 05C63 35J05 46E22 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Jorgensen, Palle E. T.; Pearse, Erin P. J. Symmetric pairs and self-adjoint extensions of operators, with applications to energy networks. (English) Zbl 1353.05080 Complex Anal. Oper. Theory 10, No. 7, 1535-1550 (2016). MSC: 05C50 05C63 05C82 46B22 46E22 47B15 47B25 47B32 47B39 60J10 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Acharya, Keshav Raj Self-adjoint extension and spectral theory of a linear relation in a Hilbert space. (English) Zbl 1285.47003 ISRN Math. Anal. 2014, Article ID 471640, 5 p. (2014). MSC: 47A06 × Cite Format Result Cite Review PDF Full Text: DOI
Turull, Alexandre The strengthened Alperin-McKay conjecture for \(p\)-solvable groups. (English) Zbl 1344.20014 J. Algebra 394, 79-91 (2013). MSC: 20C20 20C15 × Cite Format Result Cite Review PDF Full Text: DOI
Neretin, Yury A. Difference Sturm-Liouville problems in the imaginary direction. (English) Zbl 1277.39014 J. Spectr. Theory 3, No. 3, 237-269 (2013). Reviewer: Peter Zabreiko (Minsk) MSC: 39A12 34B24 47B39 47G10 44A20 58C40 33C05 39A70 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Ćurgus, B.; Dijksma, A. On the reproducing kernel of a Pontryagin space of vector valued polynomials. (English) Zbl 1246.46018 Linear Algebra Appl. 436, No. 5, 1312-1343 (2012). Reviewer: Carsten Trunk (Ilmenau) MSC: 46C20 46E22 47A06 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link
Bendahmane, Hafida; Bendoukha, Berrabah Proper extensions of a certain class of Carleman operators. (English) Zbl 1314.47035 Bull. Math. Anal. Appl. 3, No. 2, 184-197 (2011). MSC: 47B25 47A20 47A56 × Cite Format Result Cite Review PDF Full Text: Link
Geline, Michael; Gluck, David Local Schur indices, blocks, and character values. (English) Zbl 1205.20007 Bull. Lond. Math. Soc. 42, No. 4, 707-712 (2010). Reviewer: Thomas Wakefield (Youngstown) MSC: 20C15 20C20 20C11 20C05 × Cite Format Result Cite Review PDF Full Text: DOI
Bahri, S. M. On convex hull of orthogonal scalar spectral functions of a Carleman operator. (English) Zbl 1178.45019 Bol. Soc. Parana. Mat. (3) 26, No. 1-2, 9-18 (2008). MSC: 45P05 47B25 58C40 45C05 × Cite Format Result Cite Review PDF Full Text: DOI
Geline, Michael Schur indices and Abelian defect groups. (English) Zbl 1150.20007 J. Algebra 319, No. 10, 4140-4146 (2008). MSC: 20C20 × Cite Format Result Cite Review PDF Full Text: DOI
Bahri, S. M. Spectral properties of a certain class of Carleman operators. (English) Zbl 1164.05037 Arch. Math., Brno 43, No. 3, 163-175 (2007). MSC: 05C38 15A15 05A15 15A18 × Cite Format Result Cite Review PDF Full Text: EuDML EMIS
Gaxiola, Oswaldo G.; Quezada, Roberto On the generator of the solution of a quantum stochastic differential equation. (English) Zbl 1112.60057 Stoch. Models 22, No. 4, 561-572 (2006). Reviewer: Feng-Yu Wang (Beijing) MSC: 60J25 47B25 81S20 × Cite Format Result Cite Review PDF Full Text: DOI
Narnhofer, Heide Roots for quantum ergodic theory in von Neumann’s work. (English) Zbl 1151.46046 Rep. Math. Phys. 55, No. 1, 93-107 (2005). MSC: 46L10 81P05 81-03 46N50 × Cite Format Result Cite Review PDF Full Text: DOI
Lesch, M.; Malamud, M. M. On the deficiency indices of Hamiltonian systems. (English. Russian original) Zbl 1053.47042 Dokl. Math. 64, No. 3, 393-397 (2001); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 381, No. 5, 599-603 (2001). Reviewer: Svatoslav Staněk (Olomouc) MSC: 47E05 34B05 34L05 × Cite Format Result Cite Review PDF
Langer, H.; de Snoo, H. S. V.; Yavrian, V. A. A relation for the spectral shift function of two self-adjoint extensions. (English) Zbl 0999.47022 Kérchy, László (ed.) et al., Recent advances in operator theory and related topics. The Béla Szőkefalvi-Nagy memorial volume. Proceedings of the memorial conference, Szeged, Hungary, August 2-6, 1999. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 127, 437-445 (2001). Reviewer: J.B.Butler jun.(Portland) MSC: 47B25 47A20 47A55 34B20 47A10 47B10 × Cite Format Result Cite Review PDF
Abels, Otto Spectral theory of ordinary linear differential operators. (Spektraltheorie gewöhnlicher linearer Differentialoperatoren vierter Ordnung.) (German) Zbl 1002.34074 Osnabrück: Univ. Osnabrück, Fachbereich Mathematik/Informatik, 98 S. (2001). Reviewer: Manfred Möller (Johannesburg) MSC: 34L05 34B20 34B40 × Cite Format Result Cite Review PDF
Exner, George R.; Jung, Il Bong Dual operator algebras and contractions with finite defect indices. (English) Zbl 0881.47022 J. Oper. Theory 36, No. 1, 107-119 (1996). MSC: 47L45 47A45 × Cite Format Result Cite Review PDF
Derkach, V. A.; Malamud, M. M. Characteristic functions of linear operators. (English. Russian original) Zbl 0820.47007 Russ. Acad. Sci., Dokl., Math. 45, No. 2, 417-424 (1992); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 323, No. 5, 816-822 (1992). Reviewer: M.Shahin (Dallas) MSC: 47A50 47A20 × Cite Format Result Cite Review PDF
Allakhverdiev, B. P. On the theory of nonselfadjoint operators of Schrödinger type with a matrix potential. (English. Russian original) Zbl 0782.34087 Russ. Acad. Sci., Izv., Math. 41, No. 2, 193-205 (1993); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 56, No. 5, 920-933 (1992). MSC: 34L40 47A20 34L25 47B44 × Cite Format Result Cite Review PDF Full Text: DOI
Vasyunin, V. I. Formula for multiplicity of contractions with finite defect indices. (English) Zbl 0685.47008 Toeplitz operators and spectral function theory, Essays Leningr. Semin. Oper. Theory, Leningrad/USSR, Oper. Theory, Adv. Appl. 42, 281-304 (1989). Reviewer: Wu Pei Yuan MSC: 47A45 47A10 47A20 47A65 × Cite Format Result Cite Review PDF
Vasyunin, V. I. The spectral multiplicity of contractions with finite deficiency indices. (English. Russian original) Zbl 0685.47007 Sov. Math., Dokl. 39, No. 1, 178-181 (1989); translation from Dokl. Akad. Nauk SSSR 304, No. 5, 1041-1043 (1989). Reviewer: Wu Pei Yuan MSC: 47A45 47A10 47A20 × Cite Format Result Cite Review PDF
Sultanaev, Ya. T. The asymptotic behavior of solutions of ordinary differential equations in the degenerate case. (English. Russian original) Zbl 0699.34052 J. Sov. Math. 50, No. 1, 1364-1380 (1990); translation from Tr. Semin. Im. I. G. Petrovskogo 13, 36-55 (1988). MSC: 34E05 × Cite Format Result Cite Review PDF Full Text: DOI
Sultanaev, Ya. T. Asymptotics of solutions of ordinary differential equations in a degenerate case. (Russian. English summary) Zbl 0664.34062 Tr. Semin. Im. I. G. Petrovskogo 13, 36-55 (1988). MSC: 34E05 × Cite Format Result Cite Review PDF
Popescu, Gelu On quasi-similarity of contractions with finite defect indices. (English) Zbl 0659.47011 Integral Equations Oper. Theory 11, No. 6, 883-892 (1988). Reviewer: Wu Pei-Yuan MSC: 47A45 × Cite Format Result Cite Review PDF Full Text: DOI
Sultanaev, Ya. T. On the defect indices and the spectrum of one-dimensional singular differential operators in the degenerate case. (English. Russian original) Zbl 0631.34065 Sov. Math., Dokl. 32, 465-468 (1985); translation from Dokl. Akad. Nauk SSSR 284, 551-555 (1985). Reviewer: R.C.Gilbert MSC: 34E05 34A30 34L99 47A10 47B25 × Cite Format Result Cite Review PDF
Guyker, James On eigenvectors of commuting hyponormal operators. (English) Zbl 0572.47012 Rev. Roum. Math. Pures Appl. 30, 103-108 (1985). MSC: 47B20 47A65 47A45 × Cite Format Result Cite Review PDF
Wu, Pei Yuan Which \(C_{.0}\) contraction is quasi-similar to its Jordan model? (English) Zbl 0582.47015 Acta Sci. Math. 47, 449-455 (1984). MSC: 47A45 × Cite Format Result Cite Review PDF
Wu, Pei Yuan Reflexivity and double commutant property for hyponormal contractions. (English) Zbl 0539.47018 Rev. Roum. Math. Pures Appl. 28, 631-635 (1983). Reviewer: G.Garske MSC: 47B20 47L30 47A15 47A45 × Cite Format Result Cite Review PDF
Karnarski, Bertel Matrix-Differentialoperatoren erster Ordnung und ihre Anwendung auf die Dirac-Gleichung mit anomalem magnetischem Moment. (German) Zbl 0527.47031 Universität Osnabrück. 245 S. (1982). MSC: 47E05 47F05 37A30 81Q10 × Cite Format Result Cite Review PDF
Wu, Pei Yuan On the reflexivity of \(C_ 1.\) contractions and weak contractions. (English) Zbl 0496.47013 J. Oper. Theory 8, 209-217 (1982). MSC: 47A45 47A15 47C05 × Cite Format Result Cite Review PDF
Ehtkin, A. E. Generalized resolvents of a symmetric operator in the space \(\Pi_{\kappa}\). (Russian) Zbl 0546.47019 Funkts. Anal. 16, 140-151 (1981). Reviewer: P.Vrbová MSC: 47B50 47B25 47A10 × Cite Format Result Cite Review PDF
Schmüdgen, Konrad Perturbations of selfadjoint operators with point spectra by restrictions and selfadjoint extensions. (English) Zbl 0443.47024 Math. Ann. 256, 233-248 (1981). MSC: 47B25 47A10 47A55 47A15 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Wu, Pei Yuan On the quasi-similarity of hyponormal contractions. (English) Zbl 0443.47022 Ill. J. Math. 25, 498-503 (1981). MSC: 47B20 47A10 × Cite Format Result Cite Review PDF
Wu, Pei Yuan \(C_{11}\) contractions are reflexive. (English) Zbl 0417.47001 Proc. Am. Math. Soc. 77, 68-72 (1979). MSC: 47A45 × Cite Format Result Cite Review PDF Full Text: DOI
Fan Van Cyong Über die Eindeutigkeit von Integraldarstellungen positiv definiter Kerne. (Russian) Zbl 0406.35016 Mat. Sb., N. Ser. 108(150), 290-299 (1979). MSC: 35J30 35C15 35J99 × Cite Format Result Cite Review PDF
Il’mushkin, G. M. Über einen symmetrischen Differenzenoperator mit beschränkten Operatorkoeffizienten. (Russian) Zbl 0451.47045 Funkts. Anal. 10, 50-58 (1978). MSC: 47B39 47B25 × Cite Format Result Cite Review PDF