Výsledky vyhledávání - Convexity of real functions of several variables, generalizations

About the B-concavity of functions with many variables

Autoři: Meleşteu Alexandra Diana

Zdroj: Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, Vol 31, Iss 1, Pp 199-206 (2023)

Témata: b concavity, Multidimensional problems, Approximation by positive operators, Bernstein operators, B concavity, 26b25, bernstein operators, BB-concavity, QA1-939, bb-concavity, 41a63, 41a36, Mathematics, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/8036471
https://doi.org/10.2478/auom-2023-0010
https://doaj.org/article/4b2f838dbe78480e8e039c8a74e74867

The dual $$p$$-convex functions and its applications: The dual \(p\)-convex functions and its applications

Autoři: Rigao He Wei Wang

Zdroj: Calculus of Variations and Partial Differential Equations. 64

Témata: Inequalities and extremum problems involving convexity in convex geometry, Inequalities involving derivatives and differential and integral operators, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Approximate weak efficiency of the set-valued optimization problem with variable ordering structures

Autoři: Zhiang Zhou Wenbin Wei Fei Huang a další

Zdroj: Journal of Combinatorial Optimization. 48

Témata: scalarization, set-valued maps, approximate weakly efficient solution, variable ordering structures, Optimality conditions and duality in mathematical programming, Nonconvex programming, global optimization, Multi-objective and goal programming, Convexity of real functions of several variables, generalizations, Set-valued and variational analysis

Popis souboru: application/xml

Recent progress on integrally convex functions

Autoři: Kazuo Murota Akihisa Tamura

Zdroj: Japan Journal of Industrial and Applied Mathematics. 40:1445-1499

Témata: Convex programming, Combinatorial optimization, integrally convex function, 0211 other engineering and technologies, 0102 computer and information sciences, 02 engineering and technology, 01 natural sciences, Fenchel duality, integral subgradient, FOS: Mathematics, discrete convex analysis, Mathematics - Combinatorics, minimization, box-total dual integrality, Combinatorics (math.CO), 52A41, 90C10, 90C25, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2211.10912

Matrix inequalities between $$f(A)\sigma f(B)$$ and $$A\sigma B$$: Matrix inequalities between \(f(A)\sigma f(B)\) and \(A\sigma B\)

Autoři: Devi, Manisha Aujla, Jaspal Singh Kian, Mohsen a další

Zdroj: Aequationes mathematicae. 99:539-554

Témata: convex function, Mathematics - Functional Analysis, Miscellaneous inequalities involving matrices, unitarily invariant norm, matrix mean, Norms of matrices, numerical range, applications of functional analysis to matrix theory, concave function, Determinants, permanents, traces, other special matrix functions, determinant inequality, 15A60, 15A42, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/abs/2302.08127

Arcwise-convex functions on surfaces

Autoři: Rapcsák, T.

Zdroj: Publicationes Mathematicae Debrecen. 34:35-41

Témata: Nonlinear programming, differential geometry, 0101 mathematics, second-order necessary and sufficient conditions, 01 natural sciences, arcwise-convex functions, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/4031419

A convex function satisfying the Łojasiewicz inequality but failing the gradient conjecture both at zero and infinity

Autoři: Daniilidis, Aris Haddou, Mounir Ley, Olivier a další

Přispěvatelé: Daniilidis, Aris Haddou, Mounir Ley, Olivier a další

Zdroj: Bulletin of the London Mathematical Society. 54:590-608

Témata: convex function, Geometric methods in ordinary differential equations, Ordinary differential equations and connections with real algebraic geometry (fewnomials, desingularization, zeros of abelian integrals, etc.), [MATH.MATH-DS]Mathematics [math]/Dynamical Systems [math.DS], [MATH.MATH-DS] Mathematics [math]/Dynamical Systems [math.DS], [MATH.MATH-OC] Mathematics [math]/Optimization and Control [math.OC], Dynamical Systems (math.DS), 01 natural sciences, Real-analytic functions, Convex functions and convex programs in convex geometry, Optimization and Control (math.OC), FOS: Mathematics, convergence of secants, [MATH.MATH-OC]Mathematics [math]/Optimization and Control [math.OC], Mathematics - Dynamical Systems, 0101 mathematics, gradient conjecture at infinity, Gradient conjecture, Mathematics - Optimization and Control, Kurdyka-Lojasiewicz inequality, Convexity of real functions of several variables, generalizations

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Přístupová URL adresa: http://arxiv.org/abs/2102.05342
https://zbmath.org/7729782
https://doi.org/10.1112/blms.12586
https://hal.science/hal-03136550v2
https://hal.science/hal-03136550v2/document
https://doi.org/10.1112/blms.12586

Some integral inequalities for generalized preinvex functions with applications

Autoři: Muhammad Tariq Soubhagya Kumar Sahoo Fahd Jarad a další

Zdroj: AIMS Mathematics, Vol 6, Iss 12, Pp 13907-13930 (2021)

Témata: Algebraic number, Hölder inequality, Evolutionary biology, hölder-i̇şcan inequality, Convex Functions, Matrix Inequalities and Geometric Means, Mathematical analysis, Quantum mechanics, 01 natural sciences, Convexity of real functions in one variable, generalizations, Orthogonal Polynomials, Fractional derivatives and integrals, Nonlinear programming, \(s\)-type preinvexity, Field (mathematics), QA1-939, improved power-mean integral inequality, FOS: Mathematics, Hölder-İşcan inequality, 0101 mathematics, Biology, Hadamard transform, hölder's inequality, Convexity of real functions of several variables, generalizations, s-type preinvexity, Hermite polynomials, Algebra over a field, Arithmetic, Ecology, Applied Mathematics, Physics, Matrix Inequalities, Pure mathematics, Harmonic, Stability of Functional Equations in Mathematical Analysis, Inequality, Function (biology), FOS: Biological sciences, Physical Sciences, Inequalities for sums, series and integrals, Hermite-Hadamard Inequalities, Type (biology), Mathematics, preinvex function, Hypergeometric Functions

Popis souboru: application/xml

Přístupová URL adresa: https://doaj.org/article/f4a70905a802439d85056fab9698c293
https://www.aimspress.com/article/doi/10.3934/math.2021805

MONOTONE TRACE FUNCTIONS OF SEVERAL VARIABLES: Monotone trace functions of several variables

Autoři: Hansen, Frank

Zdroj: International Journal of Mathematics. 16:777-785

Témata: 47A63, 26A51, Jensen inequality, Mathematics - Operator Algebras, 01 natural sciences, Convexity of real functions in one variable, generalizations, Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones), Linear operators in \(C^*\)- or von Neumann algebras, weak majorization, trace functions, FOS: Mathematics, Linear operator inequalities, 0101 mathematics, Operator Algebras (math.OA), Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: http://arxiv.org/pdf/math/0606444
http://arxiv.org/abs/math/0606444
https://zbmath.org/2207873
https://doi.org/10.1142/s0129167x05003107
https://www.worldscientific.com/doi/abs/10.1142/S0129167X05003107
https://tohoku.pure.elsevier.com/en/publications/monotone-trace-functions-of-several-variables

Representation of functions of several variables by differences of convex functions: Representation of functions of several variables by difference of convex functions

Autoři: V. A. Zalgaller

Zdroj: Journal of Mathematical Sciences. 100:2209-2227

Témata: Representation and superposition of functions, decomposition, representation of functions of several variables, 0211 other engineering and technologies, difference of convex functions, 02 engineering and technology, 0101 mathematics, 01 natural sciences, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1193400
https://doi.org/10.1007/s10958-000-0006-4
https://link.springer.com/article/10.1007/s10958-000-0006-4

Hierarchy of deformations in concavity

Autoři: Ishige K. Salani P. Takatsu A.

Zdroj: Information Geometry. 7:251-269

Témata: Deformation, Deformed logarithmic function, Generalized concavity, deformed logarithmic function, deformation, generalized concavity, hierarchy, 0101 mathematics, 01 natural sciences, Convexity of real functions of several variables, generalizations, Means

Popis souboru: application/xml; application/pdf

Přístupová URL adresa: https://zbmath.org/7789554
https://doi.org/10.1007/s41884-022-00088-4

Some inequalities for generalized convex functions of several variables

Autoři: Josip Pečarić

Zdroj: Periodica Mathematica Hungarica. 22:83-90

Témata: Levinson inequality, Chebyshev inequality, Popoviciu inequality, Inequalities for sums, series and integrals, divided difference, Jensen-Steffensen inequality, Convexity of real functions in one variable, generalizations, Convexity of real functions of several variables, generalizations, convex functions of higher order

Popis souboru: application/xml

Přístupová URL adresa: https://link.springer.com/article/10.1007/BF02327862
https://link.springer.com/content/pdf/10.1007/BF02327862.pdf

Approximate Benson properly efficient solutions for set-valued equilibrium problems

Autoři: Zhou, Zhiang Huang, Fei Ansari, Qamrul Hasan

Zdroj: Positivity. 28

Témata: scalarization, set-valued equilibrium problem, nonemptiness, Optimality conditions and duality in mathematical programming, approximate Benson properly efficient solution, Nonconvex programming, global optimization, Multi-objective and goal programming, connectedness, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Matrix convexity of functions of two variables

Autoři: Jaspal Singh Aujla

Zdroj: Linear Algebra and its Applications. 194:149-160

Témata: Numerical Analysis, inequality, Algebra and Number Theory, Miscellaneous inequalities involving matrices, Matrices over function rings in one or more variables, Hermitian matrices, matrix convexity, Discrete Mathematics and Combinatorics, Geometry and Topology, 0101 mathematics, matrix convex functions, 01 natural sciences, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/540062
https://doi.org/10.1016/0024-3795(93)90119-9
https://www.sciencedirect.com/science/article/abs/pii/0024379593901199
https://core.ac.uk/display/82305870
https://www.sciencedirect.com/science/article/pii/0024379593901199

On Strongly Generalized Preinvex Fuzzy Mappings: On strongly generalized preinvex fuzzy mappings

Autoři: Peide Liu Muhammad Bilal Khan Muhammad Aslam Noor a další

Zdroj: Journal of Mathematics, Vol 2021 (2021)

Témata: Fuzzy real analysis, QA1-939, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, 01 natural sciences, Mathematics, 6. Clean water, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml; text/xhtml

Přístupová URL adresa: https://downloads.hindawi.com/journals/jmath/2021/6657602.pdf
https://zbmath.org/7361867
https://doi.org/10.1155/2021/6657602
https://doaj.org/article/62d8dc14da144c748df9238364664ce1
https://www.hindawi.com/journals/jmath/2021/6657602/
https://downloads.hindawi.com/journals/jmath/2021/6657602.pdf
http://downloads.hindawi.com/journals/jmath/2021/6657602.pdf

Discrete convexity: convexity for functions defined on discrete spaces: Discrete convexity: Convexity for functions defined on discrete spaces

Autoři: Ümit Yüceer

Zdroj: Discrete Applied Mathematics. 119:297-304

Témata: Convex programming, Matrix of second forward differences, discrete convexity, Strong discrete convexity, Applied Mathematics, Discrete convexity, 0211 other engineering and technologies, 02 engineering and technology, strong discrete convexity, first and second forward differences, Convex functions and convex programs in convex geometry, submodularity, 0202 electrical engineering, electronic engineering, information engineering, Discrete Mathematics and Combinatorics, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1792305
https://doi.org/10.1016/s0166-218x(01)00191-3
https://dblp.uni-trier.de/db/journals/dam/dam119.html#Yuceer02
https://www.sciencedirect.com/science/article/abs/pii/S0166218X01001913
https://www.sciencedirect.com/science/article/pii/S0166218X01001913

The calculus of operator functions and operator convexity

Autoři: H. L. Vasudeva A. L. Brown

Zdroj: Dissertationes Mathematicae. 390:1-48

Témata: Functional calculus for linear operators, convex function, self-adjoint operator, face, operator convex functions, 02 engineering and technology, operator monotone function, convex cone, 01 natural sciences, Continuous and differentiable maps in nonlinear functional analysis, Fréchet differentiability, 0203 mechanical engineering, Calculus of vector functions, Linear operator inequalities, 0101 mathematics, Convex sets in topological vector spaces (aspects of convex geometry), Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://eudml.org/doc/285975

On a Class of Means of Several Variables: On a class of means of several variables

Autoři: Zoltán Daróczy Zsolt Páles

Zdroj: Mathematical Inequalities & Applications. :331-341

Témata: convex function, 0101 mathematics, conjugate mean, 01 natural sciences, quasi-arithmetic mean, Means, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: http://files.ele-math.com/abstracts/mia-04-32-abs.pdf
http://files.ele-math.com/abstracts/mia-04-32-abs.pdf
http://mia.ele-math.com/04-32

On characterization of convexity for regularly locally Lipschitz functions

Autoři: Karel Pastor Dušan Bednařík

Zdroj: Nonlinear Analysis: Theory, Methods & Applications. 57:85-97

Témata: regular function, convex function, Convex functions and convex programs in convex geometry, second-order characterization, Nonsmooth analysis, 0211 other engineering and technologies, generalized second-order directional derivative, 02 engineering and technology, 0101 mathematics, 01 natural sciences, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://www.sciencedirect.com/science/article/pii/S0362546X04000185
http://www.sciencedirect.com/science/article/pii/S0362546X04000185

On φ-convexity of convex functions: On \(\Phi\)-convexity of convex functions

Autoři: Ivan Singer Juan Enrique Martínez-Legaz

Zdroj: Linear Algebra and its Applications. 278:163-181

Témata: convex function, Generalized convexity, Numerical Analysis, Algebra and Number Theory, Convex functions, sandwich theorem, extended-real valued functions, 0211 other engineering and technologies, Sandwich theorem, Stability, separation, extension, and related topics for functional equations, 02 engineering and technology, Theorems of Hahn-Banach type, extension and lifting of functionals and operators, 01 natural sciences, Representation and superposition of functions, Discrete Mathematics and Combinatorics, Geometry and Topology, 0101 mathematics, general convexity, Convexity of real functions of several variables, generalizations

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/1354777
https://doi.org/10.1016/s0024-3795(98)00003-2
https://www.sciencedirect.com/science/article/pii/S0024379598000032#!
https://www.sciencedirect.com/science/article/pii/S0024379598000032
https://www.sciencedirect.com/science/article/abs/pii/S0024379598000032