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1Academic Journal
Authors: Rovenska, Olga
Source: Journal of Mathematical Inequalities. :297-303
Subject Terms: Linear operator approximation theory, repeated de la Vallée Poussin means, operator norm, Trigonometric approximation, upper bound estimation, Approximation by operators (in particular, by integral operators), Lebesgue constant
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2Academic Journal
Authors: Hassan Khosravian-Arab, Mehdi Dehghan
Source: Computational and Applied Mathematics. 44
Subject Terms: Linear operator approximation theory, Weierstrass' theorem, Approximations and expansions, Algorithms for approximation of functions, Numerical integration, positive linear operator, Voronovskaja's asymptotic formula, Korovkin theorem, Linear operator methods in interpolation, moment and extension problems, uniform convergence, second-order approximation
Linked Full TextFile Description: application/xml
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3Academic Journal
Authors: Danilo Costarelli, Michele Piconi, Gianluca Vinti
Source: Journal of Fourier Analysis and Applications. 31
Subject Terms: Linear operator approximation theory, Signal theory (characterization, reconstruction, filtering, etc.), Approximation by operators (in particular, by integral operators), Durrmeyer-sampling operators, Rate of convergence, degree of approximation, regularization properties, Bernstein classes, Distribution theory, Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.), bandlimited kernel, Bandlimited kernel, Linear operators on function spaces (general), distribution theory, Regularization properties
Linked Full TextFile Description: application/xml
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4Academic Journal
Authors: Vasian Bianca Ioana
Source: Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, Vol 31, Iss 1, Pp 251-269 (2023)
Subject Terms: Linear operator approximation theory, primary 47a58, 41a25, Rate of convergence, degree of approximation, Norms (inequalities, more than one norm, etc.) of linear operators, non-positive operators, secondary 47a30, 41a10, linear operators, Approximation by polynomials, bernstein-durrmeyer type operators, QA1-939, quantitative results, approximation by operators, Bernstein-Durrmeyer type operators, Mathematics
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Linked Full TextAccess URL: https://zbmath.org/8036475
https://doi.org/10.2478/auom-2023-0014
https://doaj.org/article/e17ed30ed6c1458fb95ffcc52febb17d -
5Academic Journal
Authors: Mustafayev, H.
Source: Azerbaijan Journal of Mathematics. :181
Subject Terms: Linear operator approximation theory, Hermitian and normal operators (spectral measures, functional calculus, etc.), norm convergence, almost everywhere convergence, \(L^2\)-space, normal operator, Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.)
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Access URL: https://zbmath.org/7920841
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6Academic Journal
Authors: Figueroa-López, R., Lozada-Cruz, G.
Contributors: Universidade Estadual Paulista (UNESP)
Source: Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESPSubject Terms: Resolvent operator approximation, Linear operator approximation theory, Finite elements method, Parabolic equations, Initial-boundary value problems for second-order parabolic equations, parabolic equations, resolvent operator approximation, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, finite elements method, 14. Life underwater, 0101 mathematics, 15. Life on land, 01 natural sciences
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https://zbmath.org/6497591
https://doi.org/10.1007/s40314-014-0168-1
https://repositorio.unesp.br/handle/11449/168037
https://link.springer.com/article/10.1007/s40314-014-0168-1
https://link.springer.com/content/pdf/10.1007%2Fs40314-014-0168-1.pdf
https://link.springer.com/article/10.1007/s40314-014-0168-1/fulltext.html -
7Academic Journal
Authors: Sodin, Mikhail, Yuditskii, Peter
Source: Algebraic and Geometric Methods in Mathematical Physics ISBN: 9789048146635
Subject Terms: Linear operator approximation theory, Weyl functions, almost periodic, General theory of ordinary differential operators, Classical almost periodic functions, mean periodic functions, 01 natural sciences, Article, Weyl theory and its generalizations for ordinary differential equations, homogeneous spectrum, Sturm-Liouville theory, 510.mathematics, Almost and pseudo-almost periodic solutions to ordinary differential equations, Abel map, Spectrum, resolvent, 0101 mathematics
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https://link.springer.com/chapter/10.1007/978-94-017-0693-3_30
https://link.springer.com/10.1007/978-94-017-0693-3_30
https://eudml.org/doc/140386 -
8Academic Journal
Authors: Philip Maher
Source: Proceedings of the American Mathematical Society. 134:157-165
Subject Terms: Linear operator approximation theory, Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), self-adjointness, approximation by commutators: Heisenberg uncertainty principle, normality, Commutators, derivations, elementary operators, etc, self-commutators, Norms (inequalities, more than one norm, etc.) of linear operators, Schatten--von Neumann class, 0101 mathematics, Subnormal operators, hyponormal operators, etc, 01 natural sciences
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Access URL: https://www.ams.org/proc/2006-134-01/S0002-9939-05-07871-8/S0002-9939-05-07871-8.pdf
https://www.ams.org/proc/2006-134-01/S0002-9939-05-07871-8/S0002-9939-05-07871-8.pdf
https://eprints.mdx.ac.uk/636/
https://dialnet.unirioja.es/servlet/articulo?codigo=1396935
https://www.ams.org/journals/proc/2006-134-01/S0002-9939-05-07871-8/home.html -
9Academic Journal
Authors: TICOZZI, FRANCESCO
Source: Linear Algebra and its Applications. 400:319-325
Subject Terms: Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), Linear operator approximation theory, Numerical Analysis, Algebra and Number Theory, Quantum information, Applications of operator theory in the physical sciences, quantum information theory, compact Hermitian operator, Hilbert--Schmidt class, 01 natural sciences, Sylvester equation, approximation problems, optimal decomposition, commuting decomposition, Discrete Mathematics and Combinatorics, Geometry and Topology, 0101 mathematics, Approximation problems, density matrix
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https://www.sciencedirect.com/science/article/pii/S002437950400518X
https://core.ac.uk/display/53401787
https://www.openaccessrepository.it/record/173570 -
10Academic Journal
Authors: Suarez, Fernando Daniel
Source: CONICET Digital (CONICET)
Consejo Nacional de Investigaciones Científicas y TécnicasSubject Terms: Linear operator approximation theory, BEREZIN TRANSFORMS, Linear operators in algebras, TOEPLITZ OPERATORS, 01 natural sciences, Toeplitz algebra, Algebras of specific types of operators (Toeplitz, integral, pseudodifferential, etc.), Berezin transform, Toeplitz operator, Toeplitz operators, Hankel operators, Wiener-Hopf operators, Bergman space, 0101 mathematics, Hilbert spaces of continuous, differentiable or analytic functions, BERGMAN SPACE
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Access URL: https://ri.conicet.gov.ar/bitstream/11336/108528/2/CONICET_Digital_Nro.f71245b5-037e-4af9-8be8-83d82b9cf658_A.pdf
https://ri.conicet.gov.ar/handle/11336/108528
https://www.degruyter.com/document/doi/10.1515/crll.2005.2005.581.175/html
https://notablesdelaciencia.conicet.gov.ar/handle/11336/108528
https://ri.conicet.gov.ar/bitstream/11336/108528/2/CONICET_Digital_Nro.f71245b5-037e-4af9-8be8-83d82b9cf658_A.pdf
http://hdl.handle.net/11336/108528 -
11Academic Journal
Authors: Wojtylak, Michał
Source: Glasgow Mathematical Journal. 47:155-165
Subject Terms: Linear operator approximation theory, Linear symmetric and selfadjoint operators (unbounded), Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), unbounded operator, Hermitian and normal operators (spectral measures, functional calculus, etc.), 0101 mathematics, Hilbert spaces of continuous, differentiable or analytic functions, approximation, 01 natural sciences, \(L^2\) space, finite measure space
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operator -approach-div.pdf
http://www.journals.cambridge.org/abstract_S0017089504002216
https://ruj.uj.edu.pl/xmlui/handle/item/82042 -
12Academic Journal
Authors: Anders Öberg
Source: manuscripta mathematica. 116:31-55
Subject Terms: Linear operator approximation theory, Ulam algorithm, Ergodic theorems, spectral theory, Markov operators, invariant measures, recursive algorithm, Functional analytic techniques in dynamical systems, zeta functions, (Ruelle-Frobenius) transfer operators, etc, 0103 physical sciences, Computational methods for ergodic theory (approximation of invariant measures, computation of Lyapunov exponents, entropy, etc.), iterated function systems, 0101 mathematics, 01 natural sciences
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Linked Full TextAccess URL: https://zbmath.org/2236885
https://doi.org/10.1007/s00229-004-0515-4
http://uu.diva-portal.org/smash/record.jsf?pid=diva2:105759
https://rd.springer.com/article/10.1007/s00229-004-0515-4
https://link.springer.com/article/10.1007%2Fs00229-004-0515-4
https://link.springer.com/content/pdf/10.1007%2Fs00229-004-0515-4.pdf
http://www.diva-portal.org/smash/record.jsf?pid=diva2:105759 -
13Academic Journal
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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Linked Full TextAccess 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 -
14Academic Journal
Authors: Avraham Feintuch
Source: Linear Algebra and its Applications. 389:323-328
Subject Terms: Linear operator approximation theory, Numerical Analysis, Algebra and Number Theory, Hilbert space, General (adjoints, conjugates, products, inverses, domains, ranges, etc.), resolvent, Invertible operator, 01 natural sciences, Invariant subspace, Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), Approximation by polynomials, invariant subspace, Discrete Mathematics and Combinatorics, invertible operator, inverse operator, Geometry and Topology, 0101 mathematics, Resolvent
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Linked Full TextAccess URL: https://core.ac.uk/display/82051614
https://www.sciencedirect.com/science/article/pii/S0024379504001557 -
15Academic Journal
Authors: Oliver Redner
Source: Proceedings of the Edinburgh Mathematical Society. 47:449-472
Subject Terms: Linear operator approximation theory, Eigenvalue problems for integral equations, non-compact operators, Applications of operator theory in chemistry and life sciences, 45C05, 47A58, 47B34, Numerical methods for integral equations, multiplication operators, 01 natural sciences, mutation-selection models, Mathematics - Spectral Theory, FOS: Mathematics, discretization, Genetics and epigenetics, Kernel operators, continuum-of-alleles models, 0101 mathematics, Spectral Theory (math.SP), kernel operators
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approximation -of-non-compact-operators-describing-continuum-of-alleles-models-div.pdf
http://arxiv.org/abs/math/0301024
https://zbmath.org/2135020
https://doi.org/10.1017/s0013091503000476
https://www.arxiv-vanity.com/papers/math/0301024/
http://ui.adsabs.harvard.edu/abs/2003math......1024R/abstract
https://arxiv.org/pdf/math/0301024
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/0C841B93ED852FA12720803B31618300/S0013091503000476a.pdf/div-class-title-discrete-approximation -of-non-compact-operators-describing-continuum-of-alleles-models-div.pdf
https://www.cambridge.org/core/journals/proceedings-of-the-edinburgh-mathematical-society/article/discrete-approximation -of-noncompact-operators-describing-continuumofalleles-models/0C841B93ED852FA12720803B31618300
https://arxiv.org/abs/math/0301024
https://arxiv.org/pdf/math/0301024v2 -
16Academic Journal
Authors: Nigel J. Kalton, Tamara Kucherenko, M. Hoffmann
Source: Journal of Mathematical Analysis and Applications. 294:373-386
Subject Terms: Linear operator approximation theory, strongly continuous semigroups, One-parameter semigroups and linear evolution equations, approximation property, Applied Mathematics, Approximation property, R-boundedness, 0101 mathematics, Strongly continuous semigroups, 01 natural sciences, Analysis
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Linked Full TextAccess URL: https://zbmath.org/2085961
https://doi.org/10.1016/j.jmaa.2003.10.048
https://www.sciencedirect.com/science/article/abs/pii/S0022247X04001726
https://core.ac.uk/display/81136889
https://www.sciencedirect.com/science/article/pii/S0022247X04001726
http://kaltonmemorial.missouri.edu/docs/jmaa2004.pdf -
17Academic Journal
Authors: Lewicki, Grzegorz, Prophet, Michael
Source: Journal of Approximation Theory. 127:198-206
Subject Terms: Linear operator approximation theory, interpolating projection, Mathematics(all), Numerical Analysis, Minimal projection, Interpolating projection, Haar subspace, Applied Mathematics, minimal projection, 0101 mathematics, 01 natural sciences, Interpolation in approximation theory, Analysis
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Linked Full TextAccess URL: https://zbmath.org/2086006
https://doi.org/10.1016/j.jat.2004.03.002
https://scholarworks.uni.edu/facpub/3167/
https://www.sciencedirect.com/science/article/pii/S0021904504000395
https://core.ac.uk/display/82511660
https://dialnet.unirioja.es/servlet/articulo?codigo=869508
https://www.sciencedirect.com/science/article/abs/pii/S0021904504000395
https://dblp.uni-trier.de/db/journals/jat/jat127.html#LewickiP04
https://ruj.uj.edu.pl/xmlui/handle/item/82469 -
18Academic Journal
Authors: V. V. Khlobystov, E. F. Kashpur
Source: Cybernetics and Systems Analysis. 40:75-80
Subject Terms: Linear operator approximation theory, function space, accuracy, Equations involving nonlinear operators (general), 0211 other engineering and technologies, measure, 02 engineering and technology, nonlinear system, operator interpolation, 01 natural sciences, Numerical interpolation, 0101 mathematics, Linear operator methods in interpolation, moment and extension problems, Interpolation in approximation theory
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https://doi.org/10.1023/b:casa.0000028102.39778.42
https://dl.acm.org/doi/10.1023/B%3ACASA.0000028102.39778.42
https://link.springer.com/article/10.1023/B%3ACASA.0000028102.39778.42 -
19Academic Journal
Authors: ALLASIA, Giampietro
Source: Numerical Algorithms. 34:147-158
Subject Terms: Linear operator approximation theory, cardinal basis, convergence property, Approximation by positive operators, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, multivariate interpolation, positive operator, 01 natural sciences, Interpolation in approximation theory, scattered data
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https://doi.org/10.1023/B:NUMA.0000005359.72118.b6
https://ui.adsabs.harvard.edu/abs/2003NuAlg..34..147A/abstract
https://dblp.uni-trier.de/db/journals/na/na34.html#Allasia03
https://hdl.handle.net/2318/6262 -
20Academic Journal
Authors: Anders Pelander, Eve Oja
Source: Journal of Mathematical Analysis and Applications. 286:713-723
Subject Terms: Linear operator approximation theory, net of operators, Geometry and structure of normed linear spaces, Banach space, approximation property, metric conditions, Applied Mathematics, Linear operators defined by compactness properties, 0101 mathematics, Spaces of operators, tensor products, approximation properties, 01 natural sciences, Analysis
File Description: application/xml
Linked Full TextAccess URL: http://www.diva-portal.org/smash/record.jsf?pid=diva2:76062
https://www.sciencedirect.com/science/article/pii/S0022247X03005134