Results 31 to 40 of about 1,264 (229)

On Invex Sets and Preinvex Functions

open access: yesJournal of Mathematical Analysis and Applications, 1995
Conditions are given when invex implies preinvex. This is generalized to prequasiinvex.
Mohan, S.R., Neogy, S.K.
openaire   +2 more sources

Sufficient optimality criteria and duality for multiobjective variational control problems with G-type I objective and constraint functions [PDF]

open access: yes, 2014
In the paper, we introduce the concepts of G-type I and generalized G-type I functions for a new class of nonconvex multiobjective variational control problems.
Antczak, Tadeusz
core   +2 more sources

Nonsmooth semi-infinite roughly B-invex multi-objective programming problems

open access: yesResults in Control and Optimization, 2023
In this paper, we will study a nonsmooth semi-infinite multi-objective programming problem involving roughly B-invex functions. Sufficient optimality conditions for the primal problem are derived. We shall formulate Mond–Weir type dual and establish weak
Tarek Emam
doaj   +1 more source

Proper efficiency and duality for a new class of nonconvex multitime multiobjective variational problems [PDF]

open access: yes, 2014
In this paper, a new class of generalized of nonconvex multitime multiobjective variational problems is considered. We prove the sufficient optimality conditions for efficiency and proper efficiency in the considered multitime multiobjective variational ...
Antczak, Tadeusz, Pitea, Ariana
core   +2 more sources

Optimality and duality on Riemannian manifolds [PDF]

open access: yes, 2018
Our goal in this paper is to translate results on function classes that are characterized by the property that all the Karush-Kuhn-Tucker points are efficient solutions, obtained in Euclidean spaces to Riemannian manifolds.
Hernández Jiménez, Beatriz   +3 more
core   +2 more sources

On Semi-(B,G)-Preinvex Functions

open access: yesAbstract and Applied Analysis, 2012
We firstly construct a concrete semi-invex set which is not invex. Basing on concept of semi-invex set, we introduce some kinds of generalized convex functions, which include semi-(B,G)-preinvex functions, strictly semi-(B,G)-preinvex functions and ...
Xiaoling Liu, D. H. Yuan
doaj   +1 more source

On a Nonsmooth Vector Optimization Problem with Generalized Cone Invexity

open access: yesAbstract and Applied Analysis, 2012
By using Clarke’s generalized gradients we consider a nonsmooth vector optimization problem with cone constraints and introduce some generalized cone-invex functions called K-α-generalized invex, K-α-nonsmooth invex, and other related functions.
Hehua Jiao, Sanyang Liu
doaj   +1 more source

Geodesic B-Preinvex Functions and Multiobjective Optimization Problems on Riemannian Manifolds

open access: yesJournal of Applied Mathematics, 2014
We introduce a class of functions called geodesic B-preinvex and geodesic B-invex functions on Riemannian manifolds and generalize the notions to the so-called geodesic quasi/pseudo B-preinvex and geodesic quasi/pseudo B-invex functions.
Sheng-lan Chen   +2 more
doaj   +1 more source

Optimality and Duality in Nonsmooth Multiobjective Optimization Involving V-Type I Invex Functions

open access: yesJournal of Inequalities and Applications, 2010
A new class of generalized V-type I invex functions is introduced for nonsmooth multiobjective programming problem. Based upon these generalized invex functions, we establish sufficient optimality conditions for a feasible point to be an efficient or a ...
Jayswal A   +3 more
doaj   +2 more sources

Nonsmooth Multiobjective Fractional Programming with Local Lipschitz Exponential B-p,r-Invexity

open access: yesJournal of Applied Mathematics, 2013
We study nonsmooth multiobjective fractional programming problem containing local Lipschitz exponential B-p,r-invex functions with respect to η and b. We introduce a new concept of nonconvex functions, called exponential B-p,r-invex functions.
Shun-Chin Ho
doaj   +1 more source

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