Showing 1 - 20 results of 710 for search '"Structure theory of linear operators"', query time: 0.80s Refine Results
  1. 1
    Academic Journal

    Common reducing subspaces and decompositions of contractions

    Authors: Pal, Sourav

    Source: Forum Mathematicum. 0

    Subject Terms: Structure theory of linear operators, canonical decomposition, Invariant subspaces of linear operators, Mathematics - Operator Algebras, common reducing subspace, Canonical models for contractions and nonselfadjoint linear operators, von Neumann-Wold decomposition, 01 natural sciences, Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones), Functional Analysis (math.FA), Spectral sets of linear operators, Mathematics - Functional Analysis, FOS: Mathematics, 0101 mathematics, Operator Algebras (math.OA)

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    Access URL: http://arxiv.org/abs/2202.01301

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  2. 2
    Academic Journal

    Asymptotic behaviours and generalized Toeplitz operators

    Authors: Nicolae Suciu, Laurian Suciu

    Source: Journal of Mathematical Analysis and Applications. 349:280-290

    Subject Terms: Structure theory of linear operators, ρ-contraction, Invariant subspaces of linear operators, generalized Toeplitz operator, Applied Mathematics, orthogonal projection, A-contraction, 01 natural sciences, invariant subspace, orthogonally mean ergodic operator, Toeplitz operators, Hankel operators, Wiener-Hopf operators, \(A\)-contraction, Dilations, extensions, compressions of linear operators, Generalized Toeplitz operator, 0101 mathematics, Orthogonally mean ergodic operator, \(\rho\)-contraction, Analysis

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    Access URL: https://zbmath.org/5362153
    https://doi.org/10.1016/j.jmaa.2008.08.028
    https://core.ac.uk/display/82237323
    https://www.sciencedirect.com/science/article/pii/S0022247X08007993

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  3. 3
    Academic Journal

    Separating vectors for operators

    Authors: Han, D., Larson, D., Pan, Z., Wogen, W.

    Source: Proceedings of the American Mathematical Society. 135:713-723

    Subject Terms: Structure theory of linear operators, Extension of operators, triangular operator, domain, separating vector, Integral domain, operator extension, 16. Peace & justice, Special classes of linear operators, Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators, REFLEXIVITY, EXTENSIONS, Applied, extension of operators, Separating vector, Spectrum, resolvent, integral, ALGEBRAS, Mathematics, integral domain, Triangular operator

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    Access URL: https://www.ams.org/proc/2007-135-03/S0002-9939-06-08486-3/S0002-9939-06-08486-3.pdf
    https://zbmath.org/5120278
    https://doi.org/10.1090/s0002-9939-06-08486-3
    https://www.ams.org/journals/proc/2007-135-03/S0002-9939-06-08486-3/home.html
    https://ams.org/journals/proc/2007-135-03/S0002-9939-06-08486-3/S0002-9939-06-08486-3.pdf
    https://www.jstor.org/stable/20534625

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  4. 4
    Academic Journal

    Beyond hyperinvariance for compact operators

    Authors: Srdjan Petrovic, Alan Lambert

    Source: Journal of Functional Analysis. 219:93-108

    Subject Terms: Structure theory of linear operators, Invariant subspaces of linear operators, separable Hilbert space, 01 natural sciences, Invariant subspace, Compact operators, invariant subspace, Quasi-nilpotent operators, Spectral algebras, Linear operators on function spaces (general), quasinilpotent operators, Transformers, preservers (linear operators on spaces of linear operators), spectral algebras, 0101 mathematics, Analysis, compact operators

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    Access URL: https://zbmath.org/2141618
    https://doi.org/10.1016/j.jfa.2004.06.001
    http://www.sciencedirect.com/science/article/pii/S0022123604001831
    https://www.sciencedirect.com/science/article/pii/S0022123604001831
    https://core.ac.uk/display/82332907
    http://homepages.wmich.edu/%7Epetrovic/research/r17la.pdf

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  5. 5
    Academic Journal

    The Quasiapproximate $(\mathcal{U} + \mathcal{K})$ ?Invariants of Essentially Normal Operators: The quasiapproximate \((\mathcal U + \mathcal K)\)-invariants of essentially normal operators

    Authors: Jue Xian Li, You Qing Ji

    Source: Integral Equations and Operator Theory. 50:255-278

    Subject Terms: Linear operator approximation theory, Structure theory of linear operators, Hilbert space, Cowen-Douglas operator, quasiapproximate \((\mathcal U + \mathcal K)\)-equivalence, 01 natural sciences, General theory of linear operators, essentially normal operator, Bergmann operator, unilateral weighted operator, Hermitian and normal operators (spectral measures, functional calculus, etc.), Spectrum, resolvent, 0101 mathematics, Subnormal operators, hyponormal operators, etc

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    Access URL: https://zbmath.org/2138206
    https://doi.org/10.1007/s00020-003-1226-z
    https://zbmath.org/1789723
    https://link.springer.com/article/10.1007/s00020-003-1226-z

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  6. 6
    Academic Journal

    Power boundedness and similarity to contractions for some perturbations of isometries

    Authors: Dan Timotin, Gilles Cassier

    Source: Journal of Mathematical Analysis and Applications. 293:160-180

    Subject Terms: Structure theory of linear operators, power boundedness, Applied Mathematics, Blaschke products, etc, 0101 mathematics, perturbations of isometries, similarity to contractions, 01 natural sciences, \(H^p\)-classes, Analysis, Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.), Real rational functions

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    Access URL: https://zbmath.org/2082135
    https://doi.org/10.1016/j.jmaa.2003.12.020
    https://core.ac.uk/display/82362463
    https://www.sciencedirect.com/science/article/pii/S0022247X04000368

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  7. 7
    Academic Journal

    On Factorization of Trigonometric Polynomials: On factorization of trigonometric polynomials

    Authors: Dritschel MA

    Source: Integral Equations and Operator Theory. 49:11-42

    Subject Terms: Structure theory of linear operators, Fejer-Riesz theorem, Trigonometric polynomials, inequalities, extremal problems, trigonometric polynomials, 02 engineering and technology, Cesàro means, 01 natural sciences, Factorization of matrices, Agler families, operator theory, factorization, Polynomials and rational functions of one complex variable, Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators, 0202 electrical engineering, electronic engineering, information engineering, Schur complement, 0101 mathematics, linear matrix inequalities, multivariate polynomials

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    Access URL: https://zbmath.org/2111520
    https://doi.org/10.1007/s00020-002-1198-4
    https://link.springer.com/article/10.1007/s00020-002-1198-4
    https://eprints.ncl.ac.uk/69700

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  8. 8
    Academic Journal

    Hereditary properties of spectral isometries

    Authors: Mathieu, Martin, Sourour, A.R.

    Source: Archiv der Mathematik. 82:222-229

    Subject Terms: Linear operators on Banach algebras, Structure theory of linear operators, name=General Mathematics, General theory of \(C^*\)-algebras, type I von Neumann algebras, Jordan structures on Banach spaces and algebras, 0101 mathematics, Nonassociative selfadjoint operator algebras, 01 natural sciences, spectral isometries

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    Access URL: https://link.springer.com/article/10.1007/s00013-003-0595-5
    https://core.ac.uk/display/10057899
    https://link.springer.com/content/pdf/10.1007/s00013-003-0595-5
    https://pure.qub.ac.uk/en/publications/hereditary-properties-of-spectral-isometries

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  9. 9
    Academic Journal

    On the Decomposition of an Operator into a Sum of Four Idempotents: On the decomposition of an operator into a sum of four idempotents

    Authors: V. I. Rabanovych

    Source: Ukrainian Mathematical Journal. 56:512-519

    Subject Terms: Structure theory of linear operators, idempotent operator, Linear operators defined by compactness properties, compact operator, 0101 mathematics, separable Hilbert space, 01 natural sciences

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    Access URL: https://zbmath.org/2210402
    https://doi.org/10.1023/b:ukma.0000045693.23941.9a
    https://link.springer.com/article/10.1023/B%3AUKMA.0000045693.23941.9a
    https://link.springer.com/content/pdf/10.1023/B:UKMA.0000045693.23941.9a.pdf

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  10. 10
    Academic Journal

    Extensions of operators: Extensions of operators.

    Authors: Han, D., Larson, D., Pan, Z., Wogen, W.

    Source: Indiana University Mathematics Journal. 53:1151-1170

    Subject Terms: Structure theory of linear operators, triangular operators, Kato spectrum, 01 natural sciences, Special classes of linear operators, Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators, REFLEXIVITY, Dilations, extensions, compressions of linear operators, extension spectrum, spectral mapping theorem, extension of operators, Spectrum, resolvent, 0101 mathematics, Mathematics

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    Access URL: https://zbmath.org/2124622
    https://doi.org/10.1512/iumj.2004.53.2450
    https://documat.unirioja.es/servlet/articulo?codigo=1032263
    https://www.math.tamu.edu/~larson/hlpw-final.pdf
    https://dialnet.unirioja.es/servlet/articulo?codigo=1032263

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  11. 11
    Academic Journal

    Spectrally bounded operators on simple 𝐶*-algebras: Spectrally bounded operators on simple \(C^{*}\)-algebras

    Authors: Mathieu, Martin

    Source: Proceedings of the American Mathematical Society. 132:443-446

    Subject Terms: Structure theory of linear operators, Jordan structures on Banach spaces and algebras, 4. Education, name=Applied Mathematics, 01 natural sciences, purely infinite simple \(C^*\)-algebras, Linear operators on Banach algebras, name=General Mathematics, General theory of \(C^*\)-algebras, Jordan homomorphisms, spectrally bounded operators, 0101 mathematics

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    Access URL: https://www.ams.org/proc/2004-132-02/S0002-9939-03-07215-0/S0002-9939-03-07215-0.pdf
    https://zbmath.org/1998470
    https://doi.org/10.1090/s0002-9939-03-07215-0
    https://pure.qub.ac.uk/portal/en/publications/spectrally-bounded-operators-on-simple-calgebras(17d47821-82b4-426c-9e6f-b966efdd6d16)/export.html
    https://www.ams.org/proc/2004-132-02/S0002-9939-03-07215-0/S0002-9939-03-07215-0.pdf
    https://www.ams.org/journals/proc/2004-132-02/S0002-9939-03-07215-0/home.html

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  12. 12
    Academic Journal

    Stabilization of Timoshenko Beam by Means of Pointwise Controls: Stabilization of Timoshenko beam by means of pointwise controls

    Authors: Xu, GQ, Yung, SP

    Source: ESAIM: Control, Optimisation and Calculus of Variations. 9:579-600

    Subject Terms: Control problems for functional-differential equations, Structure theory of linear operators, 0209 industrial biotechnology, Control/observation systems governed by partial differential equations, Control, switches and devices (''smart materials') in solid mechanics, 02 engineering and technology, Riesz Basis, Feedback control, Pointwise Feedback Control, Timoshenko beam, 01 natural sciences, Riesz basis, Generalized Eigenfunction System, Rods (beams, columns, shafts, arches, rings, etc.), 0101 mathematics, Timoshenko Beam, pointwise feedback control, generalized eigenfunction system

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    Access URL: https://www.esaim-cocv.org/articles/cocv/pdf/2003/01/cocv02253.pdf
    https://zbmath.org/1968598
    https://doi.org/10.1051/cocv:2003028
    http://archive.numdam.org/article/COCV_2003__9__579_0.pdf
    https://www.esaim-cocv.org/articles/cocv/abs/2003/01/cocv02253/cocv02253.html
    http://hub.hku.hk/handle/10722/156149
    http://www.numdam.org/item/COCV_2003__9__579_0/
    http://www.esaim-cocv.org/10.1051/cocv:2003028
    http://www.numdam.org/item?id=COCV_2003__9__579_0
    http://hdl.handle.net/10722/156149

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  13. 13
    Academic Journal

    Spectrally bounded traces on C*-algebras: Spectrally bounded traces on \(C^ *\)-algebras.

    Authors: Mathieu, Martin

    Source: Bulletin of the Australian Mathematical Society. 68:169-173

    Subject Terms: Structure theory of linear operators, Linear operators on Banach algebras, name=General Mathematics, General theory of \(C^*\)-algebras, traces, Spectrum, resolvent, 0101 mathematics, mappings on \(C^*\)-algebras, spectrally bounded mappings, 01 natural sciences

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    Access URL: https://zbmath.org/2076609
    https://doi.org/10.1017/s0004972700037527
    https://www.cambridge.org/core/journals/bulletin-of-the-australian-mathematical-society/article/spectrally-bounded-traces-on-calgebras/D0C37BA633D94831BD155F4B8DFB3E2E
    https://pure.qub.ac.uk/portal/en/publications/spectrally-bounded-traces-on-calgebras(ccc5d6c8-3860-43ae-83b7-feea6feabce9).html
    https://www.cambridge.org/core/services/aop-cambridge-core/content/view/D0C37BA633D94831BD155F4B8DFB3E2E/S0004972700037527a.pdf/div-class-title-spectrally-bounded-traces-on-span-class-italic-c-span-algebras-div.pdf

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  14. 14
    Academic Journal

    Similarity of a Triangular Operator to a Diagonal Operator: Similarity of a triangular operator to a diagonal operator

    Authors: M. M. Malamud

    Source: Journal of Mathematical Sciences. 115:2199-2222

    Subject Terms: Structure theory of linear operators, Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators, Nagy-Foiaş criterion, dissipative operator, resolvent criterion, Linear operators on function spaces (general), 0101 mathematics, Gohberg and Krein criterion, similarity to a self-adjoint operator, 01 natural sciences

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    Access URL: https://zbmath.org/1971369
    https://doi.org/10.1023/a:1022888921572
    https://link.springer.com/article/10.1023/A%3A1022888921572

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  15. 15
    Academic Journal

    similarity of a triangular operator to a diagonal operator: Similarity of a triangular operator to a diagonal operator

    Authors: M. M. Malamud

    Source: Journal of Mathematical Sciences. 115(2):2199-2222

    Subject Terms: Structure theory of linear operators, Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators, Nagy-Foiaş criterion, dissipative operator, resolvent criterion, Linear operators on function spaces (general), Gohberg and Krein criterion, similarity to a self-adjoint operator

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    Access URL: https://zbmath.org/1971369
    https://doi.org/10.1023/a:1022888921572
    https://link.springer.com/article/10.1023/A%3A1022888921572

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  16. 16
    Academic Journal

    NEW WAVELET BASES FOR NON-HOMOGENEOUS SYMBOLIC SPACE AND RELATED KERNEL-DISTRIBUTION SPACES: New wavelet bases for non-homogeneous symbolic space \(OpS_{1,1}^m\) and related kernel-distribution spaces

    Authors: Qixiang Yang

    Source: Chinese Annals of Mathematics. 23:551-562

    Subject Terms: Structure theory of linear operators, symbolic space, Singular and oscillatory integrals (Calderón-Zygmund, etc.), singular integral operators, wavelet basis, 0101 mathematics, 01 natural sciences, kernel-distribution space, Representation theory of linear operators

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    Access URL: https://zbmath.org/1877209
    https://doi.org/10.1142/s0252959902000523
    http://www.worldscientific.com/doi/abs/10.1142/S0252959902000523

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  17. 17
    Academic Journal

    Extended eigenvalues and the Volterra operator: Extended eigenvalues and the Volterra operator.

    Authors: Srdjan Petrovic, Alan Lambert, Animikh Biswas

    Source: Glasgow Mathematical Journal. 44:521-534

    Subject Terms: Structure theory of linear operators, Integral operators, Volterra operator, extended eigenvalue, Transformers, preservers (linear operators on spaces of linear operators), 0101 mathematics, 01 natural sciences

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    Access URL: https://www.cambridge.org/core/services/aop-cambridge-core/content/view/15E05076D3849E20B3F1CF5FB58E95D1/S001708950203015Xa.pdf/div-class-title-extended-eigenvalues-and-the-volterra-operator-div.pdf
    https://zbmath.org/1890774
    https://www.cambridge.org/core/journals/glasgow-mathematical-journal/article/extended-eigenvalues-and-the-volterra-operator/15E05076D3849E20B3F1CF5FB58E95D1
    https://www.cambridge.org/core/services/aop-cambridge-core/content/view/15E05076D3849E20B3F1CF5FB58E95D1/S001708950203015Xa.pdf/div-class-title-extended-eigenvalues-and-the-volterra-operator-div.pdf
    http://homepages.wmich.edu/%7Epetrovic/research/r15la.pdf

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  18. 18
    Academic Journal

    On a Question of Davidson and Paulsen: On a question of Davidson and Paulsen

    Authors: Ricard, Éric

    Contributors: Laboratoire de Mathématiques de Besançon (UMR 6623) (LMB), Centre National de la Recherche Scientifique (CNRS)-Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté COMUE (UBFC)-Université Bourgogne Franche-Comté COMUE (UBFC)

    Source: Journal of Functional Analysis. 192:283-294

    Subject Terms: Functional calculus for linear operators, Structure theory of linear operators, 0101 mathematics, [MATH.MATH-FA]Mathematics [math]/Functional Analysis [math.FA], Hankel matrices, similarity to contractions, 01 natural sciences, Analysis, Schur multipliers

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    Access URL: https://zbmath.org/1797599
    https://doi.org/10.1006/jfan.2001.3899
    https://www.sciencedirect.com/science/article/pii/S0022123601938996

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  19. 19
    Academic Journal

    Some locally mean ergodic theorems

    Authors: Kok-Keong Tan, Ping Kwan Tam

    Source: Studia Mathematica. 152:1-9

    Subject Terms: Structure theory of linear operators, subnormal operator, boundedness stability property, compact operator, affine operators, 01 natural sciences, normal operator, spectrum, fixed point, 0101 mathematics, Subnormal operators, hyponormal operators, etc, mean ergodic theorem, Ergodic theory of linear operators, similar

    File Description: application/xml

    Access URL: https://www.impan.pl/shop/publication/transaction/download/product/89727?download.pdf
    https://www.impan.pl/shop/publication/transaction/download/product/89727?download.pdf
    http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.bwnjournal-article-doi-10_4064-sm152-1-1
    https://eudml.org/doc/284689
    https://www.impan.pl/pl/wydawnictwa/czasopisma-i-serie-wydawnicze/studia-mathematica/all/152/1/89727/some-locally-mean-ergodic-theorems

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  20. 20
    Academic Journal

    Nilpotent operators similar to irreducible operators: Nilpotent operators similar to irreducible operators.

    Authors: Chunlan Jiang, Yongfa Yang, Xianzhou Guo

    Source: Science in China Series A: Mathematics. 44:1544-1557

    Subject Terms: Structure theory of linear operators, finite-rank operator, nilpotent operator, 02 engineering and technology, 0101 mathematics, 0210 nano-technology, similarity, 01 natural sciences, irreducible operator

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    Access URL: https://zbmath.org/1782070
    https://doi.org/10.1007/bf02880794
    https://ui.adsabs.harvard.edu/abs/2001ScChA..44.1544J/abstract
    https://link.springer.com/article/10.1007/BF02880794

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