Results 11 to 20 of about 1,068 (262)

ON A DUALITY THEOREM OF WAKAMATSU [PDF]

open access: yesBulletin of the Australian Mathematical Society, 2008
AbstractLet R be a left coherent ring, S a right coherent ring and RU a generalized tilting module, with S=End(RU) satisfying the condition that each finitely presented left R-module X with ExtRi(X,U)=0 for any i≥1 is U-torsionless. If M is a finitely presented left R-module such that ExtRi(M,U)=0 for any i≥0 with $i \neq n$ (where n is a nonnegative ...
openaire   +1 more source

Lagrange-type duality in DC programming problems with equivalent DC inequalities

open access: yesJournal of Inequalities and Applications, 2016
In this paper, we provide Lagrange-type duality theorems for mathematical programming problems with DC objective and constraint functions. The class of problems to which Lagrange-type duality theorems can be applied is broader than the class in the ...
Ryohei Harada, Daishi Kuroiwa
doaj   +1 more source

Duality for nonsmooth mathematical programming problems with equilibrium constraints

open access: yesJournal of Inequalities and Applications, 2016
In this paper, we consider the mathematical programs with equilibrium constraints (MPECs) in Banach space. The objective function and functions in the constraint part are assumed to be lower semicontinuous.
Sy-Ming Guu   +2 more
doaj   +1 more source

Efficiency and Generalized Convex Duality for Nondifferentiable Multiobjective Programs

open access: yesJournal of Inequalities and Applications, 2010
We introduce nondifferentiable multiobjective programming problems involving the support function of a compact convex set and linear functions. The concept of (properly) efficient solutions are presented.
Kwan Deok Bae   +2 more
doaj   +2 more sources

Generalizations of Higher-Order Duality for Multiple Objective Nonlinear Programming under the Generalizations of Type-I Functions

open access: yesMathematics, 2023
In this study, we introduce new generalizations of higher-order type-I functions and higher-order pseudo-convexity type-I functions. The application of the notion of sublinear functionals to these generalizations of higher-order type-I and higher-order ...
Mohamed Abd El-Hady Kassem   +1 more
doaj   +1 more source

A generalization of the Stone Duality Theorem

open access: yesTopology and its Applications, 2017
We prove a new duality theorem for the category of precontact algebras which implies the Stone Duality Theorem, its connected version obtained in arXiv:1508.02220v3, 1-44 (to appear in Topology Appl.), the recent duality theorems of Bezhanishvili, G., Bezhanishvili, N., Sourabh, S., Venema, Y. and Goldblatt, R.
Dimov, G.   +2 more
openaire   +2 more sources

Duality for Multitime Multiobjective Ratio Variational Problems on First Order Jet Bundle

open access: yesAbstract and Applied Analysis, 2012
We consider a new class of multitime multiobjective variational problems of minimizing a vector of quotients of functionals of curvilinear integral type.
Mihai Postolache
doaj   +1 more source

A duality theorem for Dieudonné displays [PDF]

open access: yesAnnales scientifiques de l'École normale supérieure, 2009
We show that the Zink equivalence between p-divisible groups and Dieudonne displays over a complete local ring with perfect residue field of characteristic p is compatible with duality. The proof relies on a new explicit formula for the p-divisible group associated to a Dieudonne display.
openaire   +3 more sources

A Kind of New Higher-Order Mond-Weir Type Duality for Set-Valued Optimization Problems

open access: yesMathematics, 2019
In this paper, we introduce the notion of higher-order weak adjacent epiderivative for a set-valued map without lower-order approximating directions and obtain existence theorem and some properties of the epiderivative.
Liu He   +4 more
doaj   +1 more source

Generalized invexity and mathematical programs [PDF]

open access: yesYugoslav Journal of Operations Research, 2021
In this paper, using generalized convexity assumptions, we show that Mstationary condition is sufficient for global or local optimality under some mathematical programming problem with equilibrium constraints(MPEC).
Joshi Bhuwan Chandra   +2 more
doaj   +1 more source

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