VIII BRAZILIAN WORKSHOP ON CONTINUOUS OPTIMIZATION. Mambucaba, Rio de Janeiro, July 13-17, 2009 FINAL PROGRAM

(1)

VIII BRAZILIAN WORKSHOP ON CONTINUOUS OPTIMIZATION Mambucaba, Rio de Janeiro, July 13-17, 2009

FINAL PROGRAM NOTE:Speakers’ names are boldfaced

Monday, July 13 8:20 - 8:30 Opening

8:30 - 9:15 Plenary talk MoP1 (Auditorium; chair: Maicon Marques Alves) Benar F. Svaiter,IMPA, Rio de Janeiro, Brazil,

benar@impa.br

Projective splitting methods for the sum of monotone operators and the hybrid proximal-projection method

9:15 - 9:45 Coffee break

9:45 - 10:30 Plenary talk MoP2 (Auditorium; chair: Jos´e Mario Mart´ınez P´erez) ´

Alvaro R. De Pierro,Universidade Estadual de Campinas, Campinas, Brazil, alvaro@ime.unicamp.br

Alfredo, from Feasibility and Optimization to Inverse Problems

11:00 - 11:45 Plenary talk MoP3 (Auditorium; chair: Ernesto G. Birgin) Jos´e Mario Mart´ınez, Universidade Estadual de Campinas, Campinas, Brazil, martinez@ime.unicamp.br

Juliano Francisco, Universidade Estadual de Campinas, Campinas, Brazil, juliano@ime.unicamp.br

Leandro Mart´ınez, Universidade Estadual de Campinas, Campinas, Brazil, lmartinez@iqm.unicamp.br

Feodor Pisnitchenko, Universidade Estadual de Campinas, Campinas, Brazil, feodor@ime.unicamp.br

Inexact restoration for electronic structure calculations 11:45 - 14:00 Lunch

14:00 - 15:40 Contributed session Mo1: Proximal Point Methods (Room A; chair: Jo˜ao Xavier da Cruz Neto)

• 14:00 - 14:25

Rolando G´arciga, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, rgarciga@ie.ufrj.br

Benar F. Svaiter, IMPA, Rio de Janeiro, Brazil, benar@impa.br

(2)

Monday, July 13 • 14:25 - 14:50

Lisandro A. Parente, Universidad Nacional de Rosario, Rosario, Argentina, lparente@fceia.unr.edu.ar

Laura Aragone, Universidad Nacional de Rosario, Rosario, Argentina, laura@fceia.unr.edu.ar

Pablo A. Lotito, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina,

plotito@exa.unicen.edu.ar

Proximal methods for the resolution of variational problems • 14:50 - 15:15

Sissy da Silva Souza,Universidade Federal do Piau´ı, Teresina, Brazil, sissy@ufpi.br

Jo˜ao Xavier da Cruz Neto, Universidade Federal do Piau´ı, Teresina, Brazil, jxavier@ufpi.br

Paulo Roberto de Oliveira, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, poliveir@cos.ufrj.br

Antoine Soubeyran, Universit´e d’Aix-Marseille II, Aix en Provence, France antoine.soubeyran@univmed.fr

A proximal method with separable Bregman distances for quasiconvex minimization over the nonnegative orthant

• 15:15 - 15:40

Felipe ´Alvarez, Universidad de Chile, Santiago, Chile, falvarez@dim.uchile.cl

Miguel Carrasco, Universidad de Los Andes, Santiago, Chile, migucarr@dim.uchile.cl

Thierry Champion, Universit´e de Sud Toulon-Var, La Garde, France, champion@univ-tln.fr

Dual convergence for penalty proximal point algorithms in convex programming

14:00 - 15:40 Contributed session Mo2: Variational Inequalities (Room B; chair: Ademir Alves Ribeiro)

• 14:00 - 14:25

Regina S. Burachik, University of South Australia, Adelaide, Australia, regina.burachik@unisa.edu.au

Jurandir Lopes, Universidade Federal do Piau´ı, Teresina, Brazil, jurandir@ufpi.br

(3)

Monday, July 13 • 14:25 - 14:50

Jos´e Yunier Bello Cruz, IMPA, Rio de Janeiro, Brazil, yunier@impa.br

Alfredo N. Iusem, IMPA, Rio de Janeiro, Brazil, iusp@impa.br

An explicit method for variational inequalities • 14:50 - 15:15

Mostafa Nasri,Universit´e Laval, Montreal, Canada, mostafa@impa.br

Korpelevich’s method for variational inequality problem in Banach spaces • 15:15 - 15:40

Victor A. Kovtunenko, Universit¨at Graz, Austria, victor.kovtunenko@uni-graz.at

and Lavrent’ev Institute of Hydrodynamics, Novosibirsk, Russia, kovtunenko@hydro.nsc.ru

Semismooth methods for a hemivariational inequality 15:40 - 16:10 Coffee break

16:10 - 16:55 Plenary talk MoP4 (Auditorium; chair: Susana Scheimberg) Alfred Auslender,Universit´e de Lyon I, Lyon, France,

auslender.alfred@gmail.com

A new method for nonlinear programming with extension to variational inequalities

17:25 - 18:40 Contributed session Mo3: Convex Analysis (Room A; chair: Rolando G´arciga) • 17:25 - 17:50

Juan Enrique Mart´ınez-Legaz, Universidad Aut´onoma de Barcelona, Barcelona, Spain, juanenrique.martinez.legaz@uab.cat

Motzkin decomposition of closed convex sets • 17:50 - 18:15

Marc Lassonde,Universit´e des Antilles et de la Guyane, Pointe `a Pitre, Guadeloupe, France, lassonde@univ-ag.fr

Florence Jules, Universit´e des Antilles et de la Guyane, Pointe `a Pitre, Guadeloupe, France, fjules@univ-ag.fr

Subdifferential estimate of the classical directional derivative for lower semicontinuous func-tions

(4)

Monday, July 13 • 18:15 - 18:40

Ademir Alves Ribeiro,Universidade Federal de Paran´a, Curitiba, Brazil, ademir.ribeiro@ufpr.br

Elizabeth W. Karas, Universidade Federal de Paran´a, Curitiba, Brazil, ewkaras@ufpr.br

Wilfredo Sosa, Instituto de Matem´atica y Ciencias Afines, Lima, Peru, sosa@imca.edu.pe

Yuan Jin Yun, Universidade Federal de Paran´a, Curitiba, Brazil, yuanjy@gmail.com

An extension of Fenchel’s conjugation

17:25 - 18:40 Contributed session Mo4: Newton Method and Variants (Room B; chair: Walter Mascarenhas)

• 17:25 - 17:50

Mar´ıa Cristina Maciel, Universidad Nacional del Sur, Bah´ıa Blanca, Argentina, immaciel@criba.edu.ar

Mar´ıa Gabriela Eberle, Universidad Nacional del Sur, Bah´ıa Blanca, Argentina, geberle@criba.edu.ar

A globalized Newton’s method for minimizing matrix functions • 17:50 - 18:15

Paulo J. Silva e Silva, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, rsilva@ime.usp.br

Walter Mascarenhas, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, walterfm@ime.usp.br

Roberto Cominetti, Universidad de Chile, Santiago, Chile, rcominet@dim.uchile.cl

A semismooth Newton method for the continuous quadratic knapsack problem • 18:15 - 18:40

Roberto Andreani, Universidade Estadual de Campinas, Campinas, Brazil, andreani@ime.unicamp.br

Ellen H. Fukuda, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, ellen@ime.usp.br

(5)

Tuesday, July 14

8:30 - 9:15 Plenary talk TuP1 (Auditorium; chair: Ana Friedlander) Andreas Griewank,Humboldt Universit¨at, Berlin, Germany,

griewank@mathematik.hu-belin.de

Constrained optimization by low rank updating 9:15 - 9:45 Coffee break

9:45 - 10:30 Plenary talk TuP2 (Auditorium; chair: Luis Mauricio Gra˜na Drummond) Regina S. Burachik, University of South Australia, Adelaide, Australia,

regina.burachik@unisa.edu.au

Jefferson G. Melo, IMPA, Rio de Janeiro, Brazil, jeferson@impa.br

A primal-dual modified subgradient algorithm with Augmented Lagrangians 11:00 - 11:45 Plenary talk TuP3 (Auditorium; chair: Carlos Humes Jr.)

Clovis Gonzaga, Universidade Federal de Santa Catarina, Florian´opolis, Brazil, clovis@mtm.ufsc.br

Nesterov’s optimal descent method for differentiable convex functions and extensions. 11:45 - 14:00 Lunch

14:00 - 15:40 Contributed session Tu1: Optimization in Riemannian Manifolds and Equilibrium Problems (Room A; chair: Luis Rom´an Lucambio P´erez)

• 14:00 - 14:25

Susana Scheimberg, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, susana@cos.ufrj.br

Paulo S. dos Santos, Universidade Federal do Piau´ı, Brazil, paulosms@gmail.com

An inexact projection method for an equilibrium problem in a Hilbert space • 14:25 - 14:50

G´abor Kassay, Babes-Bolyai University, Cluj, Romania, kassay@math.ubbcluj.ro

Wilfredo Sosa,Instituto de Matem´atica y Ciencias Afines, Lima, Peru, sosa@uni.edu.pe

(6)

Tuesday, July 14 • 14:50 - 15:15

Glaydston C. Bento, Universidade Federal de Goi´as, Goiˆania, Brazil, glaydston@mat.ufg.br

Orizon P. Ferreira,Universidade Federal de Goi´as, Goiˆania, Brazil, orizon@mat.ufg.br

Paulo Roberto de Oliveira, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, poliveir@cos.ufrj.br

Local convergence of the proximal point method for a special class of nonconvex functions on Hadamard manifolds

• 15:15 - 15:40

Erik A. Papa Quiroz, Universidad Nacional Mayor de San Marcos, Lima, Peru, erikpapa@gmail.com

Bregman proximal algorithms for solving variational inequality problems on Riemannian man-ifolds

14:00 - 15:40 Contributed session Tu2: Engineering and Economic Applications I (Room B; chair: Fernanda Raupp)

• 14:00 - 14:25

Luiz Augusto Barroso, PSR Consultoria, Rio de Janeiro, Brazil, luiz@psr-inc.com

M´arcia Helena Costa Fampa, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil,

fampa@cos.ufrj.br

Juliana Pontes Lima, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, julipl@cos.ufrj.br

Allocation of firm-energy rights among hydro agents • 14:25 - 14:50

Vincent Guigues,IMPA, Rio de Janeiro, Brazil, vguigues@impa.br

Claudia Sagastiz´abal, Centro de Pesquisas de Energia El´etrica, Rio de Janeiro, Brazil, sagastiz@impa.br

Risk-averse adaptive strategies for large-scale multistage stochastic linear programming • 14:50 - 15:15

Birgit Rudloff, Princeton University, Princeton, USA, brudloff@princeton.edu

(7)

Tuesday, July 14 • 15:15 - 15:40

Diana Carolina L´opez C´ardenas, Ecopetrol, Bucaramanga, Colombia, dianaca.lopez@ecopetrol.com

Impact of the crude pre-heating trains in the optimization of a crude distillation unit system 15:40 - 16:10 Coffee break

16:10 - 16:55 Plenary talk TuP4 (Auditorium; chair: Yuan Jin Yun) Terry Rockafellar,University of Washington, Seattle, USA,

rtr@washington.edu

Approaches to risk in optimization under uncertainty

17:25 - 18:40 Contributed session Tu3: Optimal Control (Room A; chair: Mostafa Nasri) • 17:25 - 17:50

Henri Bonnel, Université de la Nouvelle Calédonie, Nouméa, New Caledonia, France, bonnel@univ-nc.nc

C. Yal¸cin Kaya, University of South Australia, Adelaide, Australia, yalcin.kaya@unisa.edu.au

Optimization over the efficient set of multi-objective convex optimal control problems • 17:50 - 18:15

Laura S. Aragone, Universidad Nacional de Rosario, Rosario, Argentina, laura@fceia.unr.edu.ar

Elina M. Mancinelli, Universidad Nacional de Rosario, Rosario, Argentina, elina@fceia.unr.edu.ar

Gabriela F. Reyero, Universidad Nacional de Rosario, Rosario, Argentina, greyero@fceia.unr.edu.ar

Numerical solution of a minimax optimal control problem using the Pontryagin maximum principle

• 18:15 - 18:40

Olga Vasilieva,Universidad del Valle, Cali, Colombia, olgavas@univalle.edu.co

(8)

Tuesday, July 14

17:25 - 18:40 Contributed session Tu4: Linearly and Cone Constrained Optimization (Room B; chair: Maria A. Diniz-Ehrhardt)

• 17:25 - 17:50

Marina Andretta,Universidade Estadual de Campinas, Campinas, Brazil, marina.andretta@gmail.com

Ernesto G. Birgin, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, egbirgin@ime.usp.br

Jos´e Mario Mart´ınez, Universidade Estadual de Campinas, Campinas, Brazil, martinez@ime.unicamp.br

Partial spectral projected gradient method with active-set strategy for linearly constrained op-timization

• 17:50 - 18:15

Sandra A. Santos, Universidade Estadual de Campinas, Campinas, Brazil, sandra@ime.unicamp.br

Wesley Vagner I. Shirabayashi, Universidade Estadual de Maring´a, Maring´a, Brazil, wvishirabayashi@uem.br

A predictor-corrector method for the Generalized Nonlinear Complementarity Problem in poly-hedral cones

• 18:15 - 18:40

Mauricio Romero Sicre,Universidade Federal de Bahia, Salvador, Brazil, msicre@ufba.br

A hybrid predictor-corrector-proximal-point method for the linear monotone complementarity problem

21:00 - 21:30

Informal talk by Yuan Jin Yun (Auditorium) 21:30 - 23:00

Concert by(Kiosque do Manguezal)

Wednesday, July 15 Excursion to Paraty Buses will leave at 9:00 A.M.

(9)

Thursday, July 16

8:30 - 9:15 Plenary talk ThP1 (Auditorium; chair: Mikhail Solodov) Alexei Izmailov,Moscow State University, Moscow, Russia,

izmaf@ccas.ru

Mikhail Solodov, IMPA, Rio de Janeiro, Brazil, solodov@impa.br

On critical Lagrange multipliers 9:15 - 9:45 Coffee break

9:45 - 10:30 Plenary talk ThP2 (Auditorium; chair: Claudia Sagastiz´abal) Alberto Seeger,Universit´e de Avignon, Avignon, France,

alberto.seeger@univ-avignon.fr

Eigenvalue analysis of linear complementarity systems

11:00 - 11:45 Plenary talk ThP3 (Auditorium; chair: Damián Fernández) Aris Daniilidis, Universidad Autónoma de Barcelona, Barcelona, Spain, adaniilidis@idea.uab.es

Mikhail Solodov,IMPA, Rio de Janeiro, Brazil, solodov@impa.br

Identifying structure of nonsmooth convex functions by the bundle technique 11:45 - 14:00 Lunch

14:00 - 15:40 Contributed session Th1: Vector and Multicriteria Optimization (Room A; chair: Orizon Pereira Ferreira)

• 14:00 - 14:25

Ellen H. Fukuda, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, ellen@ime.usp.br

Luis Mauricio Gra˜na Drummond, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil,

bolsigeno@gmail.com

A projected gradient method for vector optimization with relative error and inexact line searches

• 14:25 - 14:50

Rolando G´arciga, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, rgarciga@ie.ufrj.br

Luis Mauricio Gra˜na Drummond, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil,

bolsigeno@gmail.com

Fernanda Raupp, Pontif´ıcia Universidade Cat´olica, Rio de Janeiro, Brazil, nanda@impa.br

(10)

Thursday, July 16 • 14:50 - 15:15

Luis Román Lucambio Pérez,Universidade Federal de Goiás, Goiânia, Brazil, lrlp@mat.ufg.br

Conjugate directions in multicriteria optimization • 15:15 - 15:40

José Fernández Hernández, Universidad de Murcia, Murcia, Spain, josefdez@um.es

Bogl´arka Toth, Budapest University of Technology and Economics, Budapest, Hungary, boglarka@inf.u-szeged.hu

A reliable method for obtaining the complete weakly efficient set of nonlinear biobjective op-timization problems

14:00 - 15:40 Contributed session Th2: Computational Optimization: Trust Region and SQP Methods (Room B; chair: Roberto Andreani)

• 14:00 - 14:25

Ernesto G. Birgin, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, egbirgin@ime.usp.br

Emerson V. Castelani, Universidade Estadual de Campinas, Campinas, Brazil, emersonvitor@hotmail.com

Andr´e Lu´ıs M. Martinez, Universidade Estadual de Campinas, Campinas, Brazil, andrelmartinez@yahoo.com.br

Outer Trust-Region method for constrained optimization • 14:25 - 14:50

Ademir Alves Ribeiro, Universidade Federal de Paran´a, Curitiba, Brazil, ademir.ribeiro@ufpr.br

A trust region algorithm for optimization without derivatives • 14:50 - 15:15

Dami´an Fern´andez, Universidade Estadual de Campinas, Campinas, Brazil, dfernan@impa.br

A quasi-Newton strategy for the stabilized sequential quadratic programming method for vari-ational inequality and optimization problems.

(11)

Thursday, July 16 • 15:15 - 15:40

V´era Lucia da Rocha Lopes, Universidade Estadual de Campinas, Campinas, Brazil, vlopes@ime.unicamp.br

Luziane F. de Mendon¸ca, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, luziane@dcc.ufrj.br

Attitude control problems by Sequential Quadratic Programming 15:40 - 16:10 Coffee break

16:10 - 16:55 Plenary talk ThP4 (Auditorium; chair: Regina S. Burachik) Hedy Attouch,Universit´e de Montpelier II, Montpelier, France,

attouch@univ-montp2.fr

Augmented Lagrangian and splitting proximal algorithms for variational inequalities: applications to dynamical games, PDE’s and optimal control

17:25 - 18:40 Contributed session Th3: Set-Valued Operators (Room A; chair: Wilfredo Sosa)

• 17:25 - 17:50

Maicon Marques Alves, IMPA, Rio de Janeiro, Brazil, maicon@impa.br

Convex representations of maximal monotone operators in nonreflexive Banach spaces • 17:50 - 18:15

Eladio Oca˜na,Instituto de Matem´atica y Ciencias Afines, Lima, Peru, eocana@imca.edu.pe

Maximality and continuity • 18:15 - 18:40

Yboon Garc´ıa,Universidad de Chile, Santiago, Chile, ygarcia@dim.uchile.cl

Daniel Aussel, Universit´e de Perpignan, France, aussel@univ-perp.fr

Nicolas Hadjisavvas, University of the Aegean, Greece, nhad@aegean.gr

(12)

Thursday, July 16

17:25 - 18:40 Contributed session Th4: Computational Optimization: Other Methods (Room B; chair: V´era Lucia da Rocha Lopes)

• 17:25 - 17:50

William Hare, University of British Columbia, Okanagan, Canada, whare@cecm.sfu.ca

Bundle methods for nonconvex optimization • 17:50 - 18:15

M´arcia A. Gomes-Ruggiero, Universidade Estadual de Campinas, Campinas, Brazil, marcia@ime.unicamp.br

Mael Sachine, Universidade Estadual de Campinas, Campinas, Brazil, mael@ime.unicamp.br

Sandra A. Santos, Universidade Estadual de Campinas, Campinas, Brazil, sandra@ime.unicamp.br

On the method of Moving Asymptotes for structural optimization: a relaxed and globally convergent version

• 18:15 - 18:40

Maria A. Diniz-Ehrhardt,Universidade Estadual de Campinas, Campinas, Brazil, cheti@ime.unicamp.br

V´era Lucia da Rocha Lopes, Universidade Estadual de Campinas, Campinas, Brazil, vlopes@ime.unicamp.br

Derivative-free optimization

20:45 Workshop Dinner at La Pignatta Restaurant, Paraty Buses will leave at 19:45.

(13)

Friday, July 17

8:30 - 9:15 Plenary talk FrP1 (Auditorium; chair: Benar Fux Svaiter) Jonathan Eckstein,Rutgers University, New Brunswick, USA,

jeckstein@rutcor.rutgers.edu

Proximal methods for nonlinear programming: double regularization and inexact subproblems 9:15 - 9:45 Coffee break

9:45 - 10:30 Plenary talk FrP2 (Auditorium; chair: Clovis Gonzaga) Renato Monteiro, Georgia Institute of Technology, Atlanta, USA, monteiro@isye.gatech.edu

On the complexity of the hybrid proximal extragradient method for the iterates and the ergodic mean 11:00 - 11:45 Plenary talk FrP3 (Auditorium; chair: Elizabeth W. Karas)

Yuan Jin Yun, Universidade Federal de Paran´a, Curitiba, Brazil, yuanjy@gmail.com

Preconditioned iterative methods for solving indefinite problems 11:45 - 14:00 Lunch

14:00 - 15:40 Contributed session Fr1: Theoretical Advances (Room A; chair: Sandra A. Santos)

• 14:00 - 14:25

Andreas H. Hamel, Princeton University, Princeton, USA, ahamel@princeton.edu

Convex analysis for set and vector valued functions • 14:25 - 14:50

Walter Mascarenhas, Universidade de S˜ao Paulo, S˜ao Paulo, Brazil, walterfm@ime.usp.br

A topological Mountain Pass Lemma and its implications regarding the uniqueness of con-strained minimizers

• 14:50 - 15:15

Eugenio Echag¨ue, Universidad Nacional de La Plata, La Plata, Argentina, eugenioe@gmail.com

Mar´ıa Laura Schuverdt, Universidad Nacional de La Plata, La Plata, Argentina, mlschuverdt@gmail.com

(14)

Friday, July 17 • 15:15 - 15:40

G. Haeser, Universidad Estadual de Campinas, Campinas, Brazil, ghaeser@ime.unicamp.br

On generalizations of the AGP optimality condition

14:00 - 15:15 Contributed session Fr2: Discrete Optimization (Room B; chair: M´arcia Helena Costa Fampa)

• 14:00 - 14:25

Irene Loiseau,Universidad de Buenos Aires, Buenos Aires, Argentina, irene@dc.uba.ar

The bounded cycle cover problem • 14:25 - 14:50

Nair Maria Maia de Abreu, Universidade Federal de Rio de Janeiro, Rio de Janeiro, Brazil, nair@pep.ufrj.br

Claudia M. Justel,Instituto Militar de Engenharia, Rio de Janeiro, Brazil, cjustel@ime.eb.br

Oscar Rojo, Universidad Catlica del Norte, Antofagasta, Chile, orojo@ucn.cl

Algebraic connectivity for classes of caterpillars • 14:50 - 15:15

Isabel Teixeira Matos,Universidade de Lisboa, Lisboa, Portugal, imatos@deetc.isel.ipl.pt

Some completion problems 15:40 - 16:10 Coffee break

16:10 - 17:25 Contributed session Fr3: Least Squares, Generalized Distances and Inverse Problems (Room A; chair: N´elida Echebest)

• 16:10 - 16:35

Hugo Scolnik, Universidad de Buenos Aires, Buenos Aires, Argentina, hscolnik@gmail.com

N´elida Echebest, Universidad Nacional de La Plata, La Plata, Argentina, opti@mate.unlp.edu.ar

Mar´ıa Teresa Guardarucci, Universidad Nacional de La Plata, La Plata, Argentina, marite@mate.unlp.edu.ar

An incomplete oblique projections method for solving large-scale box constrained least squares problems

(15)

Friday, July 17 • 16:35 - 17:00

R´omulo Castillo,Universidad Centroocidental Lisandro Alvarado, Barquisimeto, Venezue-la,

romulo@ucla.edu.ve

A generalized like-distance in convex programming • 17:00 - 17:25

Juan Alfredo G´omez, Universidad de La Frontera, Temuco, Chile, jagomez@ufro.cl

Using different gradient formulae for inverse problems in ODE models

16:10 - 17:25 Contributed session Fr4: Engineering and Economic Applications II (Room B; chair: Paulo J. Silva e Silva)

• 16:10 - 16:35

J¨org Fliege,University of Southampton, Southampton, England, jfliege@soton.ac.uk

Computational optimization of wireless telecommunication networks • 16:35 - 17:00

Abdelghani A. Elimam,American University in Cairo, Cairo, Egypt, aelimam@sfsu.edu

Continuous optimization in improving productivity and capacity utilization in manufacturing of seasonal products

• 17:00 - 17:25

Paulo Klinger Monteiro, Funda¸c˜ao Get´ulio Vargas, Rio de Janeiro, Brazil, paulo.klinger@fgv.br