Search Results - operator valued functions with operator arguments

Discrete time-variant interpolation as classical interpolation with an operator argument

Authors: Ciprian Foias Marinus A. Kaashoek Arthur E. Frazho et al.

Source: Integral Equations and Operator Theory. 26:371-403

Subject Terms: discrete time-variant interpolation problems of Nevanlinna-Pick and Nudelman type, operator-valued functions with operator arguments, commutant lifting theorem, Dilations, extensions, compressions of linear operators, 0101 mathematics, Moment problems and interpolation problems in the complex plane, Linear operator methods in interpolation, moment and extension problems, 01 natural sciences, Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones)

File Description: application/xml

Access URL: https://link.springer.com/content/pdf/10.1007%2FBF01309159.pdf
https://zbmath.org/967124
https://doi.org/10.1007/bf01191244
https://rd.springer.com/article/10.1007/BF01191244
https://link.springer.com/content/pdf/10.1007/BF01191244.pdf
https://link.springer.com/article/10.1007/BF01309159

The band method and generalized Carath�odory-Toeplitz interpolation at operator points: The band method and generalized Carathéodory-Toeplitz interpolation at operator points

Authors: Marinus A. Kaashoek Chris Zeinstra

Source: Integral Equations and Operator Theory. 33:175-210

Subject Terms: band method, Carathéodory-Toeplitz interpolation problem, operator valued functions with operator arguments, extension problems of structured matrices, 0101 mathematics, Moment problems and interpolation problems in the complex plane, Linear operator methods in interpolation, moment and extension problems, 01 natural sciences

File Description: application/xml

Access URL: https://research.utwente.nl/en/publications/the-band-method-and-generalized-carath%C3%A9odory-toeplitz-interpolati
https://research.vu.nl/en/publications/the-band-method-and-generalized-caratheodory-toeplitz-interpolati
https://link.springer.com/content/pdf/10.1007/BF01233963.pdf
https://link.springer.com/article/10.1007/BF01233963
https://www.narcis.nl/publication/RecordID/oai%3Aresearch.vu.nl%3Apublications%2F9a1f2e14-3860-4b83-9be7-1a17b84b7681

Interpolation Problems for Operator-Valued Functions

Authors: Marinus A. Kaashoek Arthur E. Frazho Ciprian Foias et al.

Source: Metric Constrained Interpolation, Commutant Lifting and Systems ISBN: 9783034897754

Access URL: https://link.springer.com/chapter/10.1007/978-3-0348-8791-5_2
https://rd.springer.com/chapter/10.1007/978-3-0348-8791-5_2

Convergence of proximal solutions for evolution inclusions with time-dependent maximal monotone operators.

Authors: Camlibel, Kanat Iannelli, Luigi Tanwani, Aneel

Source: Mathematical Programming. Jul2022, Vol. 194 Issue 1/2, p1017-1059. 43p.

Subject Terms: *DIFFERENTIAL equations, *MATHEMATICAL optimization, MONOTONE operators, DIFFERENTIAL inclusions, SET-valued maps, LINEAR matrix inequalities

Spectral bounds for Schrödinger operators in dimensions one and two

Authors: Read, Larry Alexander Laptev, Ari Zegarlinski, Boguslaw

Contributors: Read, Larry Alexander Laptev, Ari Zegarlinski, Boguslaw

Access URL: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.890001

Hamburger and Stieltjes Moment Problems for Operators.

Authors: Lemnete-Ninulescu, L.

Source: ISRN Otolaryngology; 2014, p1-7, 7p

Subject Terms: STIELTJES transform, MOMENT problems (Mathematics), OPERATOR functions, MATHEMATICAL sequences, MATHEMATICAL bounds, MATHEMATICAL analysis

Some extensions of Loewner's theory of monotone operator functions

Authors: Alpay, D Bolotnikov, V Dijksma, A et al.

Source: Alpay, D, Bolotnikov, V, Dijksma, A & Rovnyak, J 2002, 'Some extensions of Loewner's theory of monotone operator functions', Journal of functional analysis, vol. 189, no. 1, pp. 1-20.

Index Terms: NEVANLINNA-PICK INTERPOLATION, KREIN SPACES, article

URL: https://research.rug.nl/en/publications/f3c8558c-5fc7-45ee-97f1-b8c4898c4a5c
https://doi.org/10.1006/jfan.2001.3856
https://hdl.handle.net/11370/f3c8558c-5fc7-45ee-97f1-b8c4898c4a5c
https://pure.rug.nl/ws/files/120343964/1_s2.0_S002212360193856X_main.pdf
https://www.scopus.com/pages/publications/0037138408
info:eu-repo/semantics/altIdentifier/doi/10.1006/jfan.2001.3856
info:eu-repo/semantics/altIdentifier/wos/000174350100001
info:eu-repo/semantics/altIdentifier/hdl/https://hdl.handle.net/11370/f3c8558c-5fc7-45ee-97f1-b8c4898c4a5c
info:eu-repo/semantics/altIdentifier/pissn/0022-1236

To the Theory of C{sub 0}-Operator Orthogonal Polynomials

Source: Journal of Mathematical Sciences; 234; 3; Other Information: Copyright (c) 2018 Springer Science+Business Media, LLC, part of Springer Nature; http://www.springer-ny.com; Country of input: International Atomic Energy Agency (IAEA)

File Description: Medium: X; Size: page(s) 350-356

Access URL: http://www.osti.gov/scitech/biblio/22773769

Novel approach to multi-attribute group decision-making based on interval-valued Pythagorean fuzzy power Maclaurin symmetric mean operator.

Authors: Mu, Zhimin Zeng, Shouzhen Wang, Pinyue

Source: Computers & Industrial Engineering. May2021, Vol. 155, pN.PAG-N.PAG. 1p.

Subject Terms: *GROUP decision making, SYMMETRIC operators, AGGREGATION operators, FUZZY numbers, EXTREME value theory, MEMBERSHIP functions (Fuzzy logic), INTUITIONISTIC mathematics

Stability analysis through the Bielecki metric to nonlinear fractional integral equations of n-product operators

Authors: Supriya Kumar Paul Lakshmi Narayan Mishra

Source: AIMS Mathematics, Vol 9, Iss 4, Pp 7770-7790 (2024)

Subject Terms: hyers-ulam stability, $ \lambda $-semi-hyers-ulam stability, hyers-ulam-rassias stability, fractional integral equation, bielecki metric, Mathematics, QA1-939

File Description: electronic resource

Relation: https://doaj.org/toc/2473-6988

Access URL: https://doaj.org/article/87a4c78131bb4a339f5d94519d55d442

Discrete time-variant interpolation as classical interpolation with an operator argument.

Authors: Foias, C. Frazho, A. Gohberg, I. et al.

Source: Integral Equations & Operator Theory; Dec1996, Vol. 26 Issue 4, p371-403, 33p

Multiple attribute group decision making method based on interval-valued intuitionistic fuzzy power Heronian aggregation operators.

Authors: Liu, Peide¹ Peide.liu@gmail.com

Source: Computers & Industrial Engineering. Jun2017, Vol. 108, p199-212. 14p.

Subject Terms: *GROUP decision making, FUZZY systems, FUZZY decision making, OPERATOR theory, FUZZY sets

On Bounds for Spectra of Operator Pencils in a Hilbert Space.

Authors: Gil', Michael Iosif

Source: Acta Mathematica Sinica. 2003, Vol. 19 Issue 2, p313. 14p.

Subject Terms: *OPERATOR functions, *HILBERT space, *DIFFERENTIAL operators, *INTEGRAL operators

On Extending Power-Geometric Operators to Interval-Valued Hesitant Fuzzy Sets and Their Applications to Group Decision Making.

Authors: Xiong, Sheng-Hua Chen, Zhen-Song Li, Yan-Lai et al.

Source: International Journal of Information Technology & Decision Making. Sep2016, Vol. 15 Issue 5, p1055-1114. 60p.

Subject Terms: *GROUP decision making, FUZZY sets, AGGREGATION operators, ENTROPY, MEMBERSHIP functions (Fuzzy logic)

Factorization through Lorentz spaces for operators acting in Banach function spaces.

Authors: Sánchez Pérez, E. A.¹ easancpe@mat.upv.es

Source: Positivity. Feb2019, Vol. 23 Issue 1, p75-88. 14p.

Subject Terms: YANG-Baxter equation, LORENTZ spaces, BANACH spaces, MATHEMATICS theorems, OPERATOR algebras

Numerical simulation of a fractional Davey–Stewartson model via a conservative scheme: preservation of mass, energy and momenta.

Authors: Macías, Siegfried Macías-Díaz, Jorge E.

Source: International Journal of Computer Mathematics. Feb2025, Vol. 102 Issue 2, p335-363. 29p.

Subject Terms: Partial differential equations, Conserved quantity, Fluid dynamics, Nonlinear systems, Mathematical models

Hardy spaces of operator-valued analytic functions

Authors: Chen, Zeqian

Subject Terms: 46E40, 32A37

File Description: application/pdf

Relation: https://projecteuclid.org/euclid.ijm/1264170852; Illinois J. Math. 53, no. 1 (2009), 303-324

Availability: https://projecteuclid.org/euclid.ijm/1264170852
https://doi.org/10.1215/ijm/1264170852

Intuitionistic Fuzzy Hybrid Weighted Arithmetic Mean and Its Application in Decision Making.

Authors: Wang, Weize Mendel, Jerry M.

Source: International Journal of Uncertainty, Fuzziness & Knowledge-Based Systems. Jun2019, Vol. 27 Issue 3, p353-373. 21p.

Subject Terms: *DECISION making, *STATISTICAL decision making, ARITHMETIC mean, AGGREGATION operators, FUZZY sets, MEMBERSHIP functions (Fuzzy logic)

The Laguerre transform of a convolution product of vector-valued functions.

Authors: A. O. Muzychuk

Source: Математичні Студії, Vol 55, Iss 2, Pp 146-161 (2021)

Subject Terms: laguerre transform, laplace transform, laguerre series, convolution product, Mathematics, QA1-939

File Description: electronic resource

Relation: http://matstud.org.ua/ojs/index.php/matstud/article/view/180; https://doaj.org/toc/1027-4634; https://doaj.org/toc/2411-0620

Access URL: https://doaj.org/article/b5b4996c484b4368932a2c4d29ef7671

HYPER-OPERATORS FOR NONCOMMUTATIVE CALCULUS IN QUANTUM PHYSICS.

Authors: Genquan Li Zhaoyan Wu

Source: International Journal of Modern Physics A: Particles & Fields; Gravitation; Cosmology; Nuclear Physics. 9/30/2005, Vol. 20 Issue 24, p5705-5716. 12p.

Subject Terms: *QUANTUM theory, *LINEAR operators, *OPERATOR theory, *VECTOR spaces, *LINEAR algebra, *FUNCTIONAL analysis