Výsledky vyhledávání - Classificació AMS::47 Operator theory::47A General theory of linear operators~

Spectral theory of pseudo-differential operators of degree 0 and application to forced linear waves

Autoři: Colin de Verdìère, Yves Institut Fourier (IF) Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 )

Přispěvatelé: Colin de Verdìère, Yves Institut Fourier (IF) Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 )

Zdroj: ISSN: 2157-5045.

Témata: limiting absorption principle, spectral theory, Mourre theory, attractors, pseudo-differential operator, Morse-Smale property, escape functions, forced waves, internal waves, inertial waves, AMS codes: 35Q30, 35B34, 35Q35, 58J40, 76B55, 76B70, [MATH.MATH-MP]Mathematics [math]/Mathematical Physics [math-ph], [MATH.MATH-AP]Mathematics [math]/Analysis of PDEs [math.AP], [MATH.MATH-SP]Mathematics [math]/Spectral Theory [math.SP]

Relation: info:eu-repo/semantics/altIdentifier/arxiv/1804.03367; ARXIV: 1804.03367

Dostupnost: https://hal.science/hal-01761011
https://hal.science/hal-01761011v2/document
https://hal.science/hal-01761011v2/file/hom-ham.pdf
https://doi.org/10.2140/apde.2020.13.1521

Weighted sums of aggregation operators

Autoři: Calvo Sánchez, Tomasa Baets, Bernard de Mesiar, Radko

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Mathware & soft computing; 1999: Vol.: 6 Núm.: 1

Témata: fuzzy set, Teoria de, t-norms, 03 Mathematical logic and foundations::03E Set theory [Classificació AMS], Weighted sum, weighted sum, Aggregation operator, Conjunts, Teoria de, aggregation operators, quasi-arithmetic mean, Quasi-arithmetic mean, OWA operator, convex combination, Classificació AMS::03 Mathematical logic and foundations::03E Set theory, Fuzzy sets and logic (in connection with information, communication, or circuits theory), t-conorms, OWA operators, Conjunts, Theory of fuzzy sets, etc

Popis souboru: application/pdf; application/xml; text/html

Přístupová URL adresa: http://hdl.handle.net/2099/3542
https://hdl.handle.net/2099/3542
https://zbmath.org/1508246
http://www.raco.cat/index.php/Mathware/article/view/84770

CONSTRUCTION OF MOLLER WAVE OPERATORS FOR VLASOV EQUATIONS LINEARIZED AROUND BOLTZMANNIAN STATES * ; Construction des opérateurs de Moller Pour l'équation de Vlasov

Autoři: Després, Bruno Laboratoire Jacques-Louis Lions (LJLL) Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) a další

Přispěvatelé: Després, Bruno Laboratoire Jacques-Louis Lions (LJLL) Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) a další

Zdroj: https://hal.science/hal-01252630 ; 2016.

Témata: Vlasov-Poisson equation, integro-differential operator, scattering theory, Moller wave operators, Landau damping AMS subject classifications 35B35, 82D10, 35B35, 35L60, [MATH]Mathematics [math]

Dostupnost: https://hal.science/hal-01252630
https://hal.science/hal-01252630v1/document
https://hal.science/hal-01252630v1/file/vlasovnh_final.pdf

Convergence Rates for Learning Linear Operators from Noisy Data

Autoři: de Hoop, Maarten V. Kovachki, Nikola B. Nelsen, Nicholas H. a další

Témata: operator regression, linear inverse problems, Bayesian inference, posterior consistency, learning theory

Relation: https://arxiv.org/abs/2108.12515; https://resolver.caltech.edu/CaltechAUTHORS:20230613-730765600.19; https://authors.library.caltech.edu/communities/caltechauthors/; https://doi.org/10.48550/arXiv.2108.12515; eprintid:114901

Dostupnost: https://doi.org/10.48550/arXiv.2108.12515

Gauss–Newton Oriented Greedy Algorithms for the Reconstruction of Operators in Nonlinear Dynamics

Autoři: Buchwald, Simon Ciaramella, Gabriele Salomon, Julien a další

Přispěvatelé: Buchwald, Simon Ciaramella, Gabriele Salomon, Julien a další

Zdroj: ISSN: 0363-0129.

Témata: Gauss-Newton method, Operator reconstruction, Hamiltonian identification, Quantum control problems, Inverse problems, Greedy reconstruction algorithm, Control theory, AMS subject classifications. 65K10, 65K05, 81Q93, 34A55, 49N45, 34H05, 93B05, 93B07, [MATH]Mathematics [math]

Relation: info:eu-repo/semantics/altIdentifier/arxiv/2308.15450; ARXIV: 2308.15450

Dostupnost: https://hal.science/hal-04924723
https://doi.org/10.1137/23M1552929

General Theory of the Factorization of Ordinary Linear Differential Operators

Autoři: Zettl, Anton

Zdroj: Transactions of the American Mathematical Society, 1974 Oct 01. 197, 341-353.

Přístupová URL adresa: https://www.jstor.org/stable/1996941

Green’s kernel of Schrödinger operators on generalized subdivision networks

Autoři: Carmona Mejías, Ángeles Mitjana Riera, Margarida Monsó Burgués, Enrique P.J. a další

Přispěvatelé: Carmona Mejías, Ángeles Mitjana Riera, Margarida Monsó Burgués, Enrique P.J. a další

Zdroj: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Classificació AMS::15 Linear and multilinear algebra, matrix theory, Classificació AMS::34 Ordinary differential equations::34B Boundary value problems, Matemàtiques i estadística::Àlgebra::Àlgebra lineal i multilineal [Àrees temàtiques de la UPC], 31 Potential theory::31C Other generalizations [Classificació AMS], Kirchhoff Index, Potential theory (Mathematics), 15 Linear and multilinear algebra [Classificació AMS], Classificació AMS::31 Potential theory::31C Other generalizations, Resistance distance, Àrees temàtiques de la UPC::Matemàtiques i estadística::Àlgebra::Àlgebra lineal i multilineal, Green kernel, 34 Ordinary differential equations::34B Boundary value problems [Classificació AMS], Generalized subdivision network, Potencial, Teoria del (Matemàtica)

Popis souboru: application/pdf

Přístupová URL adresa: http://hdl.handle.net/2117/132667
https://hdl.handle.net/2117/132667

Green operators of networks with a new vertex

Autoři: Carmona Mejías, Ángeles Encinas Bachiller, Andrés Marcos Gago Álvarez, Silvia a další

Přispěvatelé: Carmona Mejías, Ángeles Encinas Bachiller, Andrés Marcos Gago Álvarez, Silvia a další

Zdroj: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Equacions diferencials estocàstiques, Classificació AMS::60 Probability theory and stochastic processes, 35J10, 05C50, 15A60, 35J08, 0211 other engineering and technologies, Discrete elliptic operators Green function Perturbations Networks, 02 engineering and technology, 01 natural sciences, Matemàtiques i estadística::Equacions diferencials i integrals [Àrees temàtiques de la UPC], Mathematics - Spectral Theory, Stochastic differential equations, FOS: Mathematics, 0101 mathematics, Spectral Theory (math.SP), Àrees temàtiques de la UPC::Matemàtiques i estadística::Equacions diferencials i integrals, 60 Probability theory and stochastic processes [Classificació AMS]

Popis souboru: application/pdf

Přístupová URL adresa: http://arxiv.org/abs/1505.07606
http://hdl.handle.net/2117/82783
https://hdl.handle.net/2117/82783
https://core.ac.uk/display/41826145
https://upcommons.upc.edu/bitstream/handle/2117/82783/2015CaEnGaMit_preprint.pdf;sequence=1
https://www.sciencedirect.com/science/article/pii/S0024379515006758
https://upcommons.upc.edu/handle/2117/82783
https://www.sciencedirect.com/science/article/abs/pii/S0024379515006758
https://upcommons.upc.edu/bitstream/2117/82783/1/2015CaEnGaMit_preprint.pdf

A GENERAL FACTORIZATION APPROACH TO THE EXTENSION THEORY OF NONNEGATIVE OPERATORS AND RELATIONS

Autoři: HASSI, SEPPO SANDOVICI, ADRIAN DE SNOO, HENK a další

Zdroj: Journal of Operator Theory, 2007 Oct 01. 58(2), 351-386.

Přístupová URL adresa: https://www.jstor.org/stable/24715798

MAPS PRESERVING GENERAL MEANS OF POSITIVE OPERATORS

Autoři: Lajos Molnár The Pennsylvania State University CiteSeerX Archives

Přispěvatelé: Lajos Molnár The Pennsylvania State University CiteSeerX Archives

Zdroj: http://www.maths.tcd.ie/EMIS/journals/ELA/ela-articles/articles/vol22_pp864-874.pdf.

Témata: Key words. Positive operators, Mean, Automorphisms, Preservers. AMS subject classifications. 47B49, 47A64

Popis souboru: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.380.9006

Dostupnost: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.380.9006
http://www.maths.tcd.ie/EMIS/journals/ELA/ela-articles/articles/vol22_pp864-874.pdf

Majority multiplicative ordered weighting geometric operators and their use in the aggregation of multiplicative preference relations

Autoři: Pelayo Melero, Ignacio Manuel Doña, Jesús Maria Mesas, Alejandro

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Mathware & soft computing; 2005: Vol.: 12 Núm.: 2-3

Témata: Classificació AMS::91 Game theory, economics, social and behavioral sciences::91B Mathematical economics, Lògica difusa, Teoria de -- Models matemàtics, social and behavioral sciences::91B Mathematical economics, MM-OWG operator, 91 Game theory, economics, social and behavioral sciences::91B Mathematical economics [Classificació AMS], Classificació AMS::91 Game theory, Matemàtica financera, Decisió, economics, Decisió, Teoria de -- Models matemàtics, Decision theory

Popis souboru: application/pdf; text/html

Přístupová URL adresa: http://hdl.handle.net/2099/1826
https://hdl.handle.net/2099/1826
http://www.raco.cat/index.php/Mathware/article/view/84923

Quaternionic triangular linear operators

Autoři: Cerejeiras, Paula Colombo, Fabrizio Käehler, Uwe a další

Témata: Triangular quaternionic operators, S-spectrum, S-resolvent operators, Slice hyperholomorphic functions

Popis souboru: application/pdf

Relation: 0170-4214

Dostupnost: http://hdl.handle.net/10773/36418

Problems and recent methods in operator theory : Workshop on Problems and Recent Methods in Operator Theory, October 15-16, 2015 ; AMS Special Session on Advances in Operator Theory and Applications, October 17-18, 2015, The University of Memphis, Memphis, TN / Fernanda Botelho, Raena King, T. S. S. R. K. Rao, editors.

Autoři: Workshop on Problems and Recent Methods in Operator Theory (2015 ; Memphis). Botelho, Fernanda (1957- ). King, Raena (1984- ). a další

Přispěvatelé: Workshop on Problems and Recent Methods in Operator Theory (2015 ; Memphis). Botelho, Fernanda (1957- ). King, Raena (1984- ). a další

Zdroj: Bibliogr. przy art.

Přístupová URL adresa: http://katalog.nukat.edu.pl/lib/item?id=chamo:4126335&theme=nukat

Eigenvalues with respect to a weight for general boundary value problems on networks

Autoři: Carmona Mejías, Ángeles Encinas Bachiller, Andrés Marcos Mitjana Riera, Margarida a další

Přispěvatelé: Carmona Mejías, Ángeles Encinas Bachiller, Andrés Marcos Mitjana Riera, Margarida a další

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Àrees temàtiques de la UPC::Matemàtiques i estadística, Classificació AMS::15 Linear and multilinear algebra, matrix theory, Classificació AMS::34 Ordinary differential equations::34B Boundary value problems, Positive semi-definiteness, Classificació AMS::16 Associative rings and algebras, 15 Linear and multilinear algebra [Classificació AMS], Matemàtiques i estadística [Àrees temàtiques de la UPC], 39 Difference and functional equations::39A Difference equations [Classificació AMS], Eigenvalues, Classificació AMS::05 Combinatorics::05C Graph theory, Classificació AMS::39 Difference and functional equations::39A Difference equations, Green operators, 01 natural sciences, 34 Ordinary differential equations::34B Boundary value problems [Classificació AMS], 16 Associative rings and algebras [Classificació AMS], Mercer theorem, Discrete trace, 0101 mathematics, 05 Combinatorics::05C Graph theory [Classificació AMS], Schrödinger operators

Popis souboru: application/pdf

Přístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S0024379520301816
https://upcommons.upc.edu/handle/2117/336840
https://hdl.handle.net/2117/336840
https://doi.org/10.1016/j.laa.2020.03.046

A Simple Approach to the Perron-Frobenius Theory for Positive Operators on General Partially-Ordered Finite-Dimensional Linear Spaces

Autoři: Rheinboldt, Werner C. Vandergraft, James S.

Zdroj: Mathematics of Computation, 1973 Jan 01. 27(121), 139-145.

Přístupová URL adresa: https://www.jstor.org/stable/2005256

Rings of differential operators on singular varieties

Autoři: Barbero Lucas, Beatriz Álvarez Montaner, Josep Universitat Politècnica de Catalunya. Departament de Matemàtiques

Přispěvatelé: Barbero Lucas, Beatriz Álvarez Montaner, Josep Universitat Politècnica de Catalunya. Departament de Matemàtiques

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Matemàtiques i estadística::Àlgebra::Anells i àlgebres [Àrees temàtiques de la UPC], 16 Associative rings and algebras::16S Rings and algebras arising under various constructions [Classificació AMS], Anells (Àlgebra), Differential Operators, Rings (Algebra), Classificació AMS::16 Associative rings and algebras::16S Rings and algebras arising under various constructions, Àrees temàtiques de la UPC::Matemàtiques i estadística::Àlgebra::Anells i àlgebres, Filtrations, Gelfand-Kirillov dimension, Weyl Algebras, Hyperplane Arrangements

Popis souboru: application/pdf

Přístupová URL adresa: https://hdl.handle.net/2117/369863
http://hdl.handle.net/2117/369863

On the learning of weights in some aggregation operators: the weighted mean and OWA operators

Autoři: Torra Ferré, Vicenç

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: WOWA operators, Classificació AMS::03 Mathematical logic and foundations::03E Set theory, 03 Mathematical logic and foundations::03E Set theory [Classificació AMS], Learning weigths, OWA operators, Conjunts, Teoria de, Modelling, Weighted mean, Aggregation operators

Popis souboru: application/pdf

Přístupová URL adresa: https://hdl.handle.net/2099/3557
http://hdl.handle.net/2099/3557

Intuitionistic fuzzy relations (Part II). Effect of Atanassov's operators on the properties of the intuitionistic fuzzy relations: Intuitionistic fuzzy relations. II: Effect of Atanassov's operators on the properties of the intuitionistic fuzzy relations

Autoři: Burillo López, Pedro Bustince Sola, Humberto Nicanor Automática y Computación a další

Přispěvatelé: Burillo López, Pedro Bustince Sola, Humberto Nicanor Automática y Computación a další

Zdroj: Academica-e. Repositorio Institucional de la Universidad Pública de Navarra
Universidad Pública de Navarra
instname
Academica-e: Repositorio Institucional de la Universidad Pública de Navarra
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Mathware & soft computing; 1995: Vol.: 2 Núm.: 2

Témata: Conjunts borrosos, Reflexivity, intuitionistic fuzzy set, Antisymmetry perfect, 03 Mathematical logic and foundations::03E Set theory [Classificació AMS], Simmetry, operators, Fuzzy relation, Lògica difusa, Classificació AMS::03 Mathematical logic and foundations::03E Set theory, Atanassov's operators, Antisymmetry, Partially included relation, intuitionistic fuzzy relation, Theory of fuzzy sets, etc, Intuitionistic fuzzy relation

Popis souboru: application/pdf; application/xml; text/html

Přístupová URL adresa: https://academica-e.unavarra.es/handle/2454/23673
https://hdl.handle.net/2454/23673
https://hdl.handle.net/2099/2467
http://hdl.handle.net/2099/2467
https://zbmath.org/951675
http://www.raco.cat/index.php/Mathware/article/view/84647

Nonreal eigenvalues for second order differential operators on networks with circuits

Autoři: Lubary Martínez, José Antonio Solà-Morales Rubió, Joan de Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I a další

Přispěvatelé: Lubary Martínez, José Antonio Solà-Morales Rubió, Joan de Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I a další

Zdroj: Recercat. Dipósit de la Recerca de Catalunya
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: 34 Ordinary differential equations::34L Ordinary differential operators [Classificació AMS], Valors limits, Problemes de, Problemes de, 01 natural sciences, Nonreal eigenvalues, Boundary value problems, 35 Partial differential equations::35P Spectral theory and eigenvalue problems for partial differential operators [Classificació AMS], Sturm-Liouville type, Operadors diferencials, nonreal eigenvalues, 0101 mathematics, finite networks, Differential operators, networks with circuits, Classificació AMS::34 Ordinary differential equations::34B Boundary value problems, Applied Mathematics, Eigenfunctions, eigenfunction expansions, completeness of eigenfunctions of ordinary differential operators, Teoria espectral (Matemàtica), Valors propis -- Problemes, Valors limits, second-order differential operators, 34 Ordinary differential equations::34B Boundary value problems [Classificació AMS], Problemes de contorn, differential operators, Classificació AMS::34 Ordinary differential equations::34L Ordinary differential operators, Spectral theory (Mathematics), thin beams or wires, Analysis, Classificació AMS::35 Partial differential equations::35P Spectral theory and eigenvalue problems for partial differential operators

Popis souboru: application/pdf; application/xml

Přístupová URL adresa: http://hdl.handle.net/2117/830
https://hdl.handle.net/2117/830
https://zbmath.org/1866681
https://doi.org/10.1016/s0022-247x(02)00324-4
https://www.sciencedirect.com/science/article/pii/S0022247X02003244
https://upcommons.upc.edu/bitstream/2117/830/1/0101sola.pdf
https://upcommons.upc.edu/handle/2117/830
https://www.sciencedirect.com/science/article/abs/pii/S0022247X02003244
https://upcommons.upc.edu/bitstream/handle/2117/830/0101sola.pdf;sequence=1

Eigenvalue Projection Theory for Linear Operator Equations of Electromagnetics.

Autoři: Peterson, A F ILLINOIS UNIV AT URBANA COORDINATED SCIENCE LAB

Přispěvatelé: Peterson, A F ILLINOIS UNIV AT URBANA COORDINATED SCIENCE LAB

Zdroj: DTIC AND NTIS

Témata: Electricity and Magnetism, ELECTROMAGNETIC SCATTERING, SOLUTIONS(GENERAL), NUMERICAL METHODS AND PROCEDURES, ITERATIONS, METHOD OF MOMENTS, MATRICES(MATHEMATICS), COMPARISON, FINITE DIFFERENCE THEORY, LINEAR ALGEBRA, OPERATORS(MATHEMATICS), EIGENVALUES, Weighted residual method

Popis souboru: text/html

Relation: http://www.dtic.mil/docs/citations/ADA185434

Dostupnost: http://www.dtic.mil/docs/citations/ADA185434
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA185434