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Articles 28 registres trobats  inicianterior12 - 21següent  anar al registre: La cerca s'ha fet en 0.00 segons. 
12.
9 p, 328.3 KB Differentiability v.s. convexity for complementarity functions / Huang, Chien-Hao (National Taiwan Normal University. Department of Mathematics) ; Chen, Jein-Shan (National Taiwan Normal University. Department of Mathematics) ; Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
It is known that complementarity functions play an important role in dealing with complementarity problems. The most well known complementarity problem is the symmetric cone complementarity problem (SCCP) which includes nonlinear complementarity problem (NCP), semidefinite complementarity problem (SDCP), and second-order cone complementarity problem (SOCCP) as special cases. [...]
2017 - 10.1007/s11590-015-0993-1
Optimization Letters, Vol. 11, Num. 1 (2017) , p. 209-216  
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13.
5 p, 356.9 KB Convergence in a sequential two stages decision making process / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica) ; Soubeyran, A. (Aix-Marseille Université)
We analyze a sequential decision making process, in which at each step the decision is made in two stages. In the first stage a partially optimal action is chosen, which allows the decision maker to learn how to improve it under the new environment. [...]
2016
Bulletin of the Iranian Mathematical Society, Vol. 42, Núm. 7 (December 2016) , p. 25-29  
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14.
10 p, 1022.6 KB Some conditions for maximal monotonicity of bifunctions / Hadjisavvas, Nicolas (King Fahd University of Petroleum and Minerals) ; Jacinto, Flavia M. O. (Universidade Federal do Amazonas) ; Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
We present necessary and sufficient conditions for a monotone bifunction to be maximally monotone, based on a recent characterization of maximally monotone operators. These conditions state the existence of solutions to equilibrium problems obtained by perturbing the defining bifunction in a suitable way.
2016 - 10.1007/s11228-015-0343-6
Set-Valued and Variational Analysis, Vol. 24, Núm. 2 (June 2016) , p. 323-332  
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15.
15 p, 334.0 KB A simplified conjugation scheme for lower semi-continuous functions / Elias, Leonardo M. (Universidade Federal do Paraná. Programa de Pós-Graduação em Matemática) ; Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
We present two generalized conjugation schemes for lower semi-continuous functions defined on a real Banach space whose norm is Fréchet differentiable off the origin, and sketch their applications to optimization duality theory. [...]
2016 - 10.1080/02331934.2015.1080700
Optimization, Vol. 65, Núm. 4 (2016)  
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16.
8 p, 278.6 KB Optimality conditions for pseudoconvex minimization over convex sets defined by tangentially convex constraints / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
We present necessary and sufficient optimality conditions for the minimization of pseudoconvex functions over convex sets defined by non necessarily convex functions, in terms of tangential subdifferentials. [...]
2015 - 10.1007/s11590-014-0822-y
Optimization Letters, Vol. 9, Núm. 5 (June 2015) , p. 1017-1023  
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17.
14 p, 440.0 KB The contribution of K.-H. Elster to generalized conjugation theory and nonconvex duality / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
This article surveys the main contributions of K. -H. Elster to the theory of generalized conjugate functions and its applications to duality in nonconvex optimization.
2015 - 10.1080/02331934.2014.929683
Optimization, Vol. 64, Núm. 1 (2015) , p. 87-96  
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18.
24 p, 473.9 KB An additive subfamily of enlargements of a maximally monotone operator / Burachik, Regina (University of South Australia. School of Information Technology and Mathematical Sciences) ; Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica) ; Rezaie, M. (University of Isfahan) ; Théra, M. (Université de Limoges. Laboratoire XLIM)
We introduce a subfamily of additive enlargements of a maximally monotone operator. Our definition is inspired by the early work of Simon Fitzpatrick. These enlargements constitute a subfamily of the family of enlargements introduced by Svaiter. [...]
2015 - 10.1007/s11228-015-0340-9
Set-Valued and Variational Analysis, Vol. 23, Núm. 4 (December 2015) , p. 643-665 2015  
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19.
9 p, 292.0 KB On the existence of a saddle value / Bonenti, F. (Università degli Studi di Brescia. Dipartimento di Economia e Management) ; Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
In this work, we achieve a complete characterization of the existence of a saddle value, for bifunctions which are convex, proper, and lower semi continuous in their first argument, by considering new suitably defined notions of special directions of recession. [...]
2015 - 10.1007/s10957-014-0665-9
Journal of optimization theory and applications, Vol. 165, Núm. 3 (2015) , P. 785-792  
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20.
16 p, 444.8 KB γ-Active constraints in convex semi-infinite programming / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica) ; Todorov, Maxim Ivanov (Universidad de las Américas) ; Zetina, Carlos Armando (Universidad de las Américas)
In this article, we extend the definition of γ-active constraints for linear semi-infinite programming to a definition applicable to convex semi-infinite programming, by two approaches. The first approach entails the use of the subdifferentials of the convex constraints at a point, while the second approach is based on the linearization of the convex inequality system by means of the convex conjugates of the defining functions. [...]
2014 - 10.1080/01630563.2014.895745
Numerical Functional Analysis and Optimization, Vol. 35, Núm. 7-9 (2014) , p. 1078-1094  
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21.
11 p, 405.9 KB Integration of Fenchel subdifferentials revisited / Martínez Legaz, Juan Enrique (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)
We obtain a simple integration formula for the Fenchel subdifferentials on Euclidean spaces and analyze some of its consequences. For functions defined on locally convex spaces, we present a similar result in terms of ε-subdifferentials.
2014 - 10.1007/s10013-014-0101-3
Vietnam Journal of Mathematics, Vol. 42, Núm. 4 (2014) , p. 533-542  
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Articles : 28 registres trobats   inicianterior12 - 21següent  anar al registre:
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