Yang X.M.

X.M. Yang

Information about the author X.M. Yang will soon be added to the site.
Found 11 papers in total
Converse duality in nonlinear programming with cone constraints
Converse duality in nonlinear programming with cone constraints
2006
The purpose of this paper is to establish various converse duality results for...
Multiobjective second-order symmetric duality with F-convexity
Multiobjective second-order symmetric duality with F-convexity
2005
We suggest a pair of second-order symmetric dual programs in multiobjective nonlinear...
Criteria for generalized invex monotonicities
Criteria for generalized invex monotonicities
2005
In this paper, under appropriate conditions, we establish that (i) if the gradient of...
Second order symmetric duality in non-differentiable multiobjective programming with F-convexity
Second order symmetric duality in non-differentiable multiobjective programming with F-convexity
2005
This paper is concerned with a pair of Mond–Weir type second order symmetric...
Second-order duality for nonlinear programming
Second-order duality for nonlinear programming
2004
Four second-order dual models for nonlinear programming are introduced and their...
Non-differentiable second order symmetric duality in mathematical programming with F-convexity
Non-differentiable second order symmetric duality in mathematical programming with F-convexity
2003
A pair of Wolfe-type non-differentiable second order symmetric primal and dual...
Some existence results of efficiency in vector optimization
Some existence results of efficiency in vector optimization
2001
This paper presents several new results concerning the existence of efficient...
A note on convexity of upper semi-continuous functions
A note on convexity of upper semi-continuous functions
2001
In this note a criterion for convex functions is given under semi continuous condition.
Theorems of the alternative for multifunctions
Theorems of the alternative for multifunctions
1999
In this paper, we propose a concept of generalized subconvexlike multifunctions and...
Symmetric duality for a class of multiobjective fractional programming
Symmetric duality for a class of multiobjective fractional programming
1997
A pair of symmetric duals for a class of nondifferentiable multiobjective fractional...
Symmetric duality for a class of multiobjective fractional programming
Symmetric duality for a class of multiobjective fractional programming
1997
A pair of symmetric duals for a class of nondifferentiable multiobjective fractional...
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