Optimization 2011 Lisbon (Caparica), Portugal July 24-27, 2011 (last call for abstracts) Department of Mathematics Faculdade de Ciencias e Tecnologia Universidade Nova de Lisboa Optimization 2011 is the seventh edition of a series of Optimization international conferences held every three or four years, in Portugal. This meeting aims to bring together researchers and practitioners from different areas and with distinct backgrounds, but with common interests in optimization. This conference series has international recognition as an important forum of discussion and exchange of ideas, being organized under the auspices of APDIO (the Portuguese Operations Research Society). In this edition, we feel honored to celebrate the 60th anniversary of our dear colleague Joaquim Joao Judice (Univ. of Coimbra). Confirmed plenary speakers: Gilbert Laporte | HEC Montreal Jean Bernard Lasserre | LAAS-CNRS, Toulouse Jose Mario Martinez | State University of Campinas Mauricio G.C. Resende | AT&T Labs - Research Nick Sahinidis | Carnegie Mellon University Stephen J. Wright | University of Wisconsin Deadline for abstract submission - March 31, 2011 For additional information:http://www.fct.unl.pt/optimization2011 We look forward to meet you in Optimization 2011, Ana Luisa Custodio (Co-chair of the Organizing Committee) Paula Amaral (Co-chair of the Organizing Committee)