## Found 317 Documents (Results 1–100)

100
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### Some topologies related to nonseparable Hilbert spaces and their applications. (English)Zbl 07540704

MSC:  47Axx 46Lxx 47Lxx
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### Essentially coercive forms and asymptotically compact semigroups. (English)Zbl 07264994

MSC:  47A07 47D03 47A12
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### Banach algebras and applications. Proceedings of the 23rd international conference, University of Oulu, Finland, November 3–11, 2017. (English)Zbl 1448.46007

De Gruyter Proceedings in Mathematics. Berlin: De Gruyter (ISBN 978-3-11-060132-9/hbk; 978-3-11-060241-8/ebook). x, 253 p. (2020).
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### Extension-restriction theorems for algebras of approximation sequences. (English)Zbl 1448.46057

André, Carlos (ed.) et al., Operator theory, operator algebras, and matrix theory. Based on the presentations at the international workshop on operator theory and operator algebras, WOAT 2016, Lisbon, Portugal, July 5–8, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 267, 261-284 (2018).
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### Fredholm conditions on non-compact manifolds: theory and examples. (English)Zbl 1446.58011

André, Carlos (ed.) et al., Operator theory, operator algebras, and matrix theory. Based on the presentations at the international workshop on operator theory and operator algebras, WOAT 2016, Lisbon, Portugal, July 5–8, 2016. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 267, 79-122 (2018).
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### Periodic perturbations of unbounded Jacobi matrices III: the soft edge regime. (English)Zbl 06881220

MSC:  47B25 47B36 42C05
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### Actions of locally compact (quantum) groups on ternary rings of operators, their crossed products, and generalized Poisson boundaries. (English)Zbl 1410.46050

MSC:  46L65 43A05 47L05
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MSC:  47D03
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### Automorphisms of some subalgebras of the Toeplitz algebra. (English. Russian original)Zbl 1366.46050

Sib. Math. J. 57, No. 3, 525-531 (2016); translation from Sib. Mat. Zh. 57, No. 3, 666-674 (2016).
MSC:  46L40
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### Endomorphisms of spaces of virtual vectors fixed by a discrete group. (English. Russian original)Zbl 1405.22004

Russ. Math. Surv. 71, No. 2, 291-343 (2016); translation from Usp. Mat. Nauk 71, No. 2, 121-178 (2016).
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### Locally definitizable operators: the local structure of the spectrum. (English)Zbl 1422.47046

Alpay, Daniel (ed.), Operator theory. With 51 figures and 2 tables. In 2 volumes. Springer Reference. Basel: Springer. 241-259 (2015).
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### Spectral analysis of non-compact symmetrizable operators on Hilbert spaces. (English)Zbl 1319.47017

MSC:  47A75 47B25
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### A description of the location and structure of the essential spectrum of a model operator in a subspace of a Fock space. (English. Russian original)Zbl 1335.35169

Sb. Math. 205, No. 12, 1761-1774 (2014); translation from Mat. Sb. 205, No. 12, 85-98 (2014).
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### Skew symmetry of a class of operators. (English)Zbl 1295.47014

MSC:  47B25 47A65
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### Shearlet coorbit spaces: traces and embeddings in higher dimensions. (English)Zbl 1260.22004

Reviewer: Rui Liu (Tianjin)
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### Elementary models of unbounded Jacobi matrices with a few bounded gaps in the essential spectrum. (English)Zbl 1282.47043

MSC:  47B36 47A10 47B25
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### A Blaschke-type condition for analytic functions on finitely connected domains. Applications to complex perturbations of a finite-band selfadjoint operator. (English)Zbl 1301.47042

MSC:  47B36 47A10
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### Introduction to functional analysis. 2nd revised ed. (Einführung in die Funktionalanalysis.) (German)Zbl 1234.46001

Aufbaukurs Mathematik. Wiesbaden: Vieweg+Teubner (ISBN 978-3-8348-1872-0/pbk). x, 273 p. (2011).

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### Formula for the number of eigenvalues of a three-particle Schrödinger operator on a lattice. (English. Russian original)Zbl 1256.81047

Theor. Math. Phys. 164, No. 1, 869-882 (2010); translation from Teor. Mat. Fiz. 164, No. 1, 46-61 (2010).
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### On a class of nonselfadjoint periodic boundary value problems with discrete real spectrum. (English)Zbl 1259.47060

Levitin, Michael (ed.) et al., Operator theory and its applications. In memory of V. B. Lidskiĭ (1924–2008). Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-5272-9/hbk). Translations. Series 2. American Mathematical Society 231; Advances in the Mathematical Sciences 65, 59-66 (2010).
MSC:  47E05 34B24 76R99
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MSC:  47B06
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### On the modified spectral Stefan problem and its abstract generalizations. (English)Zbl 1179.35202

Adamyan, Vadim (ed.) et al., Modern analysis and applications. The Mark Krein centenary conference. Volume 2: Differential operators and mechanics. Papers based on invited talks at the international conference on modern analysis and applications, Odessa, Ukraine, April 9–14, 2007. Basel: Birkhäuser (ISBN 978-3-7643-9920-7/v. 2; 978-3-7643-9921-4/ebook; 978-3-7643-9924-5/set). Operator Theory: Advances and Applications 191, 381-394 (2009).
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### Quantum instruments and related transformation valued functions. (English)Zbl 1235.81020

MSC:  81P15 46L60 47G10
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### The spectrum of a commutator Hamiltonian is hydrogenlike. (English. Russian original)Zbl 1304.81081

Mosc. Univ. Math. Bull. 63, No. 6, 273-276 (2008); translation from Vest. Mosk. Univ. Mat. Mekh. 63, No. 6, 71-74 (2008).
MSC:  81Q10 22C05 47B47
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### Essential and discrete spectra of partially integral operators. (Russian, English)Zbl 1249.47035

Mat. Tr. 11, No. 2, 187-203 (2008); translation in Sib. Adv. Math. 19, No. 4, 233-244 (2009).
MSC:  47G10 45A05
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### The canonical coherent states associated with quotients of the affine Weyl-Heisenberg group. (English)Zbl 1165.22007

MSC:  22D10 47B25

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### Spectrum of a model operator in the perturbation theory of the essential spectrum. (English)Zbl 1178.81074

Theor. Math. Phys. 144, No. 3, 1344-1352 (2005); translation from Teor. Mat. Fiz. 144, No. 3, 544-554 (2005).
MSC:  81Q10 81Q15 47A55
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### Operators in a Krejn space. (English. Russian original)Zbl 1085.47049

Math. Notes 76, No. 3, 306-314 (2004); translation from Mat. Zametki 76, No. 3, 324-334 (2004).
MSC:  47B50 46C20 47B25
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### A selective history of the Stone-von Neumann theorem. (English)Zbl 1073.01020

Doran, Robert S. (ed.) et al., Operator algebras, quantization, and noncommutative geometry. A centennial celebration honoring John von Neumann and Marshall H. Stone. Proceedings of the AMS special session, Baltimore, MD, USA, January 15–16, 2003. Providence, RI: American Mathematical Society (AMS) (ISBN 0-8218-3402-9/pbk). Contemporary Mathematics 365, 331-353 (2004).

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### Global and selective focusing using acoustic time reversal mirrors in the frequency domain. (English)Zbl 1049.76061

Cohen, Gary C. (ed.) et al., Mathematical and numerical aspects of wave propagation, WAVES 2003. Proceedings of the sixth international conference on mathematical and numerical aspects of wave propagation, Jyväskylä, Finland, 30 June – 4 July 2003. Berlin: Springer (ISBN 3-540-40127-X/hbk). 643-648 (2003).
MSC:  76Q05

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### An approach to the spectrum structure of Dirac operators by the local-compactness method. (English)Zbl 1023.34077

MSC:  34L05 81Q10 34L40
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### Traces of operators with relative trace-class perturbation. (English. Russian original)Zbl 1058.47500

Dokl. Math. 63, No. 3, 349-350 (2001); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 378, No. 3, 324-325 (2001).
MSC:  47A55 47B10 47A10

### Analyticity results for the eigenvalues of compact selfadjoint operators. (English)Zbl 1058.47014

MSC:  47A75 35P05 47B07

### Minimally almost periodic Abelian groups and commutative $$W^*$$-algebras. (English)Zbl 1010.22001

Martín Peinador, Elena (ed.) et al., Nuclear groups and Lie groups. Selected lectures of the workshop, Madrid, Spain, September 1999. Lemgo: Heldermann Verlag. Res. Expo. Math. 24, 163-185 (2001).
MSC:  22A05 22A10 46L99

### On simplicity of the maximal eigenvalue. (English)Zbl 0994.47016

MSC:  47A55 47A75
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### On the eigenvalue problem for some nonlinear perturbations of compact selfadjoint operators. (English)Zbl 1002.47040

MSC:  47J10 47A55 47H14

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### On commuting compact self-adjoint operators on a Pontryagin space. (English)Zbl 1028.47025

MSC:  47B50 46C20 46N20
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### Isometries of unbounded Fredholm modules over manifolds. (English)Zbl 0974.46053

MSC:  46L85 57S99 47B25

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### Automorphisms and interpolation properties of CSL algebras. (Chinese. English summary)Zbl 0946.47051

MSC:  47L35 46L40

### Convex spectral functions of compact operators. (English)Zbl 0985.49022

Reviewer: A.Seeger (Avignon)
MSC:  49N15 47A75 90C25

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### Linearization and compact perturbation of self-adjoint analytic operator functions. (English)Zbl 0952.47035

Adamyan, V. M. (ed.) et al., Operator theory and related topics. Proceedings of the Mark Krein international conference on operator theory and applications, Odessa, Ukraine, August 18-22, 1997. Volume II. Basel: Birkhäuser. Oper. Theory, Adv. Appl. 118, 255-285 (2000).
MSC:  47B50 47A56 47A55

### Linear operator theory in engineering and science. Repr. of the 1971 orig., publ. by Holt, Rinehart & Winston, Inc. Paperback edition. (English)Zbl 0945.47001

Applied Mathematical Sciences. 40. New York, NY: Springer. xv, 624 p. (2000).
Reviewer: P.Zabreiko (Minsk)

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