Works about OPERATOR functions

Results: 1067

Hadamard Product on Subclasses of Meromorphic Functions Involving q‐Difference Operator.

Published in:

Journal of Function Spaces, 2025, v. 2025, p. 1, doi. 10.1155/jofs/9959888

By:

Kota, W. Y.;
El-Ashwah, R. M.;
Breaz, Nicoleta;
Al-Omari, Shrideh K. Q.

Publication type:

Article

Approximation by Some Singular Operators Type of Functions from a Generalized Zygmund Space.

Published in:

Armenian Journal of Mathematics, 2025, v. 17, n. 5, p. 1, doi. 10.52737/18291163-2025.17.5-1-14

By:

Krasniqi, Xh. Z.;
Mohapatra, R. N.

Publication type:

Article

A lightweight Mini-YOLOv5s algorithm for small target crack detection in tunnels.

Published in:

Nondestructive Testing & Evaluation, 2025, v. 40, n. 7, p. 3233, doi. 10.1080/10589759.2024.2401956

By:

Xue, Dan;
Zhao, Yifei;
Zhang, Wenxue;
Fu, Shuang;
Yu, Xia

Publication type:

Article

Unitary parts of Toeplitz operators with operator-valued symbols.

Published in:

Studia Mathematica, 2025, v. 282, n. 3, p. 199, doi. 10.4064/sm240327-14-1

By:

NARAYANAN, E. K.;
SARKAR, SRIJAN

Publication type:

Article

A relativistic continuous matrix product state study of field theories with defects.

Published in:

Journal of High Energy Physics, 2025, v. 2025, n. 5, p. 1, doi. 10.1007/JHEP05(2025)097

By:

Tiwana, Karan;
Lauria, Edoardo;
Tilloy, Antoine

Publication type:

Article

SYK correlators from 2D Liouville-de Sitter gravity.

Published in:

Journal of High Energy Physics, 2025, v. 2025, n. 5, p. 1, doi. 10.1007/JHEP05(2025)053

By:

Verlinde, Herman;
Zhang, Mengyang

Publication type:

Article

Küme Birleşimli Sırt Çantası Probleminin Adaptif Yapay Arı Kolonisi Algoritması ile Çözümü.

Published in:

Journal of Intelligent Systems: Theory & Applications, 2021, v. 4, n. 1, p. 43, doi. 10.38016/jista.854584

By:

DURGUT, Rafet;
YAVUZ, İlim Betül;
AYDIN, Mehmet Emin

Publication type:

Article

Mixed Fourier Norm Spaces of Analytic Functions on the Upper Half-Plane and Toeplitz Operators.

Published in:

Mathematical Notes, 2025, v. 117, n. 3, p. 345, doi. 10.1134/S0001434625030010

By:

Avetisyan, Z. G.;
Karapetyants, A. N.;
Smirnova, I.

Publication type:

Article

Existence Results for Mixed Local and Nonlocal Elliptic Equations Involving Singularity and Nonregular Data.

Published in:

Journal of Geometric Analysis, 2025, v. 35, n. 8, p. 1, doi. 10.1007/s12220-025-02048-7

By:

Bhowmick, Souvik;
Ghosh, Sekhar

Publication type:

Article

Multivariate Neural Network Operators: Simultaneous Approximation and Voronovskaja‐Type Theorem.

Published in:

Mathematical Methods in the Applied Sciences, 2025, v. 48, n. 11, p. 10669, doi. 10.1002/mma.10910

By:

Cantarini, Marco;
Costarelli, Danilo

Publication type:

Article

Quantitative weighted estimates for the multilinear pseudo-differential operators in function spaces.

Published in:

Forum Mathematicum, 2025, v. 37, n. 4, p. 1049, doi. 10.1515/forum-2023-0454

By:

Tan, Jiawei;
Xue, Qingying

Publication type:

Article

NEW SUBCLASS OF BI-UNIVALENT FUNCTIONS INVOLVING THE WRIGHT FUNCTION ASSOCIATED WITH THE JUNG-KIM-SRIVASTAV OPERATOR.

Published in:

Gulf Journal of Mathematics, 2025, v. 19, n. 2, p. 451, doi. 10.56947/gjom.v19i2.2817

By:

EL-ITYAN, MOHAMMAD;
AMOURAH, ALA;
HAMMAD, SUHA;
BUTI, RAFID;
ALSOBOH, ABDULLAH

Publication type:

Article

APPROXIMATION BY NEW BASKAKOV OPERATORS.

Published in:

Gulf Journal of Mathematics, 2025, v. 19, n. 2, p. 442, doi. 10.56947/gjom.v19i2.2687

By:

JABBER, AHMED F.;
KHALEEL, HASSAN A.

Publication type:

Article

Some classes involving a convolution of analytic functions with some univalency conditions.

Published in:

Studia Universitatis Babeş-Bolyai, Mathematica, 2025, v. 70, n. 2, p. 219, doi. 10.24193/subbmath.2025.2.04

By:

Sharma, Poonam;
Bajpai, Aditya Kishore;
Mishra, Omendra;
Porwal, Saurabh

Publication type:

Article

Nonlinear Elasticity Problems on Carnot Groups and Quasiconformal Analysis.

Published in:

Siberian Mathematical Journal, 2025, v. 66, n. 3, p. 672, doi. 10.1134/S0037446625030085

By:

Vodopyanov, S. K.;
Pavlov, S. V.

Publication type:

Article

Construction Conditions and Applications of a Hilbert-Type Multiple Integral Inequality Involving Multivariable Upper Limit Functions and Higher-Order Partial Derivatives.

Published in:

Axioms (2075-1680), 2025, v. 14, n. 5, p. 355, doi. 10.3390/axioms14050355

By:

Hong, Yong;
Zhao, Qian;
Zhao, Zhihong

Publication type:

Article

The Application of Abstract Algebra in Operational Calculus.

Published in:

Fractal & Fractional, 2025, v. 9, n. 5, p. 291, doi. 10.3390/fractalfract9050291

By:

Jiang, Ruiheng;
Zhou, Tianyi;
Yin, Yajun

Publication type:

Article

Fractional Operator Approach and Hybrid Special Polynomials: The Generalized Gould–Hopper–Bell-Based Appell Polynomials and Their Characteristics.

Published in:

Fractal & Fractional, 2025, v. 9, n. 5, p. 281, doi. 10.3390/fractalfract9050281

By:

Sidaoui, Rabeb;
Hassan, E. I.;
Muhyi, Abdulghani;
Aldwoah, Khaled;
Alfedeel, A. H. A.;
Mohamed, Khidir Shaib;
Adam, Alawia

Publication type:

Article

Some Results Related to Booth Lemniscate and Integral Operators.

Published in:

Fractal & Fractional, 2025, v. 9, n. 5, p. 271, doi. 10.3390/fractalfract9050271

By:

Khan, Bilal;
Orouji, Zahra;
Ebadian, Ali

Publication type:

Article

Duality theorems for polyanalytic functions.

Published in:

Forum Mathematicum, 2025, v. 37, n. 5, p. 1571, doi. 10.1515/forum-2024-0022

By:

Colombo, Fabrizio;
De Martino, Antonino;
Diki, Kamal;
Sabadini, Irene;
Struppa, Daniele C.

Publication type:

Article

NEUMANN PROBLEM FOR A STOCHASTIC BENJAMIN-BONA-MAHONY EQUATION WITH RIESZ FRACTIONAL DERIVATIVE.

Published in:

Differential Equations & Applications, 2025, v. 17, n. 1, p. 53, doi. 10.7153/dea-2025-17-04

By:

ESCOBAR-FIGUEROA, J. L.;
ÁRCIGA-ALEJANDRE, M. P.;
SANCHEZ-ORTIZ, J.;
PEÑA-PÉREZ, YUDIER

Publication type:

Article

Local regularity of very weak s-harmonic functions via fractional difference quotients.

Published in:

Rendiconti Lincei - Matematica e Applicazioni, 2024, v. 35, n. 3, p. 365, doi. 10.4171/RLM/1045

By:

CARBOTTI, ALESSANDRO;
CITO, SIMONE;
LA MANNA, DOMENICO ANGELO;
PALLARA, DIEGO

Publication type:

Article

Compact weighted composition operators on spaces of continuous functions of bounded variation.

Published in:

Positivity, 2025, v. 29, n. 3, p. 1, doi. 10.1007/s11117-025-01122-2

By:

Hosseini, Maliheh

Publication type:

Article

Weighted inequalities for one-sided multilinear fractional integrals.

Published in:

Positivity, 2023, v. 27, n. 1, p. 1, doi. 10.1007/s11117-022-00954-6

By:

Imerlishvili, Giorgi;
Meskhi, Alexander

Publication type:

Article

A Korovkin-type theorem for sequences of positive linear operators on function spaces.

Published in:

Positivity, 2021, v. 25, n. 5, p. 2017, doi. 10.1007/s11117-021-00861-2

By:

Dorai, Abderraouf

Publication type:

Article

Linear dynamics of discrete cosine functions on solid Banach function spaces.

Published in:

Positivity, 2021, v. 25, n. 4, p. 1437, doi. 10.1007/s11117-021-00823-8

By:

Tabatabaie, Seyyed Mohammad;
Ivković, Stefan

Publication type:

Article

E-integrability of trace-class operator-valued functions.

Published in:

Positivity, 2021, v. 25, n. 2, p. 369, doi. 10.1007/s11117-020-00767-5

By:

Khosheghbal-Ghorabayi, Minoo;
Bagheri-Bardi, Ghorban-Ali

Publication type:

Article

Approximation properties of a family of integral type operators.

Published in:

Positivity, 2021, v. 25, n. 1, p. 97, doi. 10.1007/s11117-020-00752-y

By:

Agratini, Octavian

Publication type:

Article

Product factorability of integral bilinear operators on Banach function spaces.

Published in:

Positivity, 2019, v. 23, n. 3, p. 671, doi. 10.1007/s11117-018-0632-z

By:

Erdoğan, E.;
Sánchez Pérez, E. A.;
Gök, Ö.

Publication type:

Article

On Cesàro summability of vector valued multiplier spaces and operator valued series.

Published in:

Positivity, 2018, v. 22, n. 2, p. 575, doi. 10.1007/s11117-017-0528-3

By:

Altay, Bilal;
Kama, Ramazan

Publication type:

Article

Bounds and positivity conditions for operator valued functions in a Hilbert lattice.

Published in:

Positivity, 2013, v. 17, n. 3, p. 407, doi. 10.1007/s11117-012-0176-6

By:

Gil', Michael

Publication type:

Article

Vector subspaces and operators with the Stone condition.

Published in:

Positivity, 2010, v. 14, n. 4, p. 585, doi. 10.1007/s11117-010-0064-x

By:

Azouzi, Youssef;
Ben Amor, Fethi

Publication type:

Article

The existence of three positive solutions for some nonlinear boundary value problems on the half-line.

Published in:

Positivity, 2009, v. 13, n. 2, p. 443, doi. 10.1007/s11117-008-2213-z

By:

Sihua Liang;
Jihui Zhang

Publication type:

Article

Bounding the Rademacher complexity of Fourier neural operators.

Published in:

Machine Learning, 2024, v. 113, n. 5, p. 2467, doi. 10.1007/s10994-024-06533-y

By:

Kim, Taeyoung;
Kang, Myungjoo

Publication type:

Article

Multiple attributes group decision-making based on trigonometric operators, particle swarm optimization and complex intuitionistic fuzzy values.

Published in:

Artificial Intelligence Review, 2023, v. 56, n. 2, p. 1787, doi. 10.1007/s10462-022-10208-2

By:

Rani, Dimple;
Garg, Harish

Publication type:

Article

Decision support modeling for multiple criteria assessments using a likelihood-based consensus ranking method under Pythagorean fuzzy uncertainty.

Published in:

Artificial Intelligence Review, 2022, v. 55, n. 6, p. 4879, doi. 10.1007/s10462-021-10122-z

By:

Chen, Ting-Yu

Publication type:

Article

Tensor method for optimal control problems constrained by fractional three‐dimensional elliptic operator with variable coefficients.

Published in:

Numerical Linear Algebra with Applications, 2022, v. 29, n. 1, p. 1, doi. 10.1002/nla.2404

By:

Schmitt, Britta;
Khoromskij, Boris N.;
Khoromskaia, Venera;
Schulz, Volker

Publication type:

Article

A Class of Fractional Evolutionary Equations.

Published in:

PAMM: Proceedings in Applied Mathematics & Mechanics, 2013, v. 13, n. 1, p. 527, doi. 10.1002/pamm.201310256

By:

Picard, Rainer

Publication type:

Article

Eigenvalues of Schrödinger operators and Dirichlet-to-Neumann maps.

Published in:

PAMM: Proceedings in Applied Mathematics & Mechanics, 2013, v. 13, n. 1, p. 517, doi. 10.1002/pamm.201310251

By:

Behrndt, Jussi;
Kühn, Christian;
Rohleder, Jonathan

Publication type:

Article

New discussion on approximate controllability results for fractional Sobolev type Volterra‐Fredholm integro‐differential systems of order 1 < r < 2.

Published in:

Numerical Methods for Partial Differential Equations, 2024, v. 40, n. 2, p. 1, doi. 10.1002/num.22772

By:

Vijayakumar, V.;
Ravichandran, Chokkalingam;
Nisar, Kottakkaran Sooppy;
Kucche, Kishor D.

Publication type:

Article

Existence and controllability of nonlocal mixed Volterra‐Fredholm type fractional delay integro‐differential equations of order 1 < r < 2.

Published in:

Numerical Methods for Partial Differential Equations, 2024, v. 40, n. 1, p. 1, doi. 10.1002/num.22697

By:

Kavitha Williams, W.;
Vijayakumar, V.;
Udhayakumar, R.;
Panda, Sumati Kumari;
Nisar, Kottakkaran Sooppy

Publication type:

Article

A half‐inverse problem for singular diffusion operator with certain boundary conditions.

Published in:

Numerical Methods for Partial Differential Equations, 2022, v. 38, n. 4, p. 916, doi. 10.1002/num.22713

By:

Ergün, Abdullah;
Amirov, Rauf

Publication type:

Article

A new study on existence and uniqueness of nonlocal fractional delay differential systems of order 1 < r < 2 in Banach spaces.

Published in:

Numerical Methods for Partial Differential Equations, 2021, v. 37, n. 2, p. 949, doi. 10.1002/num.22560

By:

Williams, W. Kavitha;
Vijayakumar, V.;
Udhayakumar, R.;
Nisar, Kottakkaran Sooppy

Publication type:

Article

Approximation of functions by a new construction of Bernstein‐Chlodowsky operators: Theory and applications.

Published in:

Numerical Methods for Partial Differential Equations, 2021, v. 37, n. 1, p. 782, doi. 10.1002/num.22552

By:

Usta, Fuat

Publication type:

Article

An introduction to kernel and operator learning methods for homogenization by self-consistent clustering analysis.

Published in:

Computational Mechanics, 2023, v. 72, n. 1, p. 195, doi. 10.1007/s00466-023-02331-w

By:

Huang, Owen;
Saha, Sourav;
Guo, Jiachen;
Liu, Wing Kam

Publication type:

Article

Critical dimensions for polyharmonic operators: the Pucci–Serrin conjecture for solutions of bounded energy: Critical dimensions for polyharmonic operators...: F. Robert.

Published in:

Calculus of Variations & Partial Differential Equations, 2025, v. 64, n. 3, p. 1, doi. 10.1007/s00526-025-02976-w

By:

Robert, Frédéric

Publication type:

Article

Uniqueness of conformal-harmonic maps on locally conformally flat 4-manifolds: Uniqueness of conformal-harmonic maps on locally...: L. Lin, J. Zhu.

Published in:

Calculus of Variations & Partial Differential Equations, 2025, v. 64, n. 2, p. 1, doi. 10.1007/s00526-024-02919-x

By:

Lin, Longzhi;
Zhu, Jingyong

Publication type:

Article

Commutator estimates and Poisson bounds for Dirichlet-to-Neumann operators with variable coefficients: Commutator estimates and Poisson bounds...: A.F.M. ter Elst, E.M. Ouhabaz.

Published in:

Calculus of Variations & Partial Differential Equations, 2025, v. 64, n. 2, p. 1, doi. 10.1007/s00526-024-02899-y

By:

ter Elst, A. F. M.;
Ouhabaz, E. M.

Publication type:

Article

Periodic solution for Hamiltonian type systems with critical growth.

Published in:

Calculus of Variations & Partial Differential Equations, 2024, v. 63, n. 6, p. 1, doi. 10.1007/s00526-024-02770-0

By:

Guo, Yuxia;
Wu, Shengyu;
Yan, Shusen

Publication type:

Article

Existence results for the higher-order Q-curvature equation.

Published in:

Calculus of Variations & Partial Differential Equations, 2024, v. 63, n. 6, p. 1, doi. 10.1007/s00526-024-02757-x

By:

Mazumdar, Saikat;
Vétois, Jérôme

Publication type:

Article