XIII Latin American Algorithms, Graphs, and Optimization Symposium – LAGOS 2025

10–14 November 2025 | Buenos Aires, Argentina

About LAGOS 2025

The Latin American Algorithms, Graphs, and Optimization Symposium (LAGOS) is a biennial event that brings together researchers and practitioners from around the world. Since 2001, LAGOS has served as a key forum for the exchange of ideas and collaboration. It is the merger of two Latin American conferences: the Brazilian Symposium on Graphs, Algorithms, and Combinatorics (GRACO) and the Latin American Conference on Combinatorics, Graphs, and Applications (LACGA). For more information about previous symposiums, visit the LAGOS series webpage

VENUE

Pabellón Cero + Infinito, Universidad de Buenos Aires, Buenos Aires, Argentina

Dates

November 10–14, 2025
(Monday to Friday)

Honorees

This special edition of LAGOS honors three distinguished scholars in celebration of their 60th birthdays

Guillermo Durán

Universidad de Buenos Aires, Argentina

Cláudia Linhares Sales

Universidade Federal do Ceará, Brazil

Fábio Protti

Universidade Federal Fluminense, Brazil

Plenary Speakers

Flavia Bonomo-Braberman

Universidad de Buenos Aires, Argentina

Mitre Dourado

Universidade Federal do Rio de Janeiro, Brazil

Mariana Escalante

Universidad Nacional de Rosario, Argentina

Mario Guajardo

NHH Norwegian School of Economics, Norway

Martine Labbé

Université Libre de Bruxelles, Belgium

Martin Milanič

University of Primorska, Slovenia

Irena Penev

Charles University, Czech Republic

Bruce Reed

Academia Sinica, Taiwan

Ana Silva

Università degli Studi di Firenze, Italy
Universidade Federal do Ceará, Brazil

Zoran Stanić

University of Belgrade, Serbia

Scope and Topics

LAGOS 2025 invites submissions on a broad range of topics, including but not limited to:

  • Algorithms and Complexity: Approximation algorithms, computational complexity, parallel and distributed algorithms, parameterized complexity, computational geometry, randomized algorithms.
  • Operations Research and Optimization: Combinatorial optimization, integer programming, polyhedral combinatorics, heuristics and metaheuristics.
  • Graph Theory: Cliques, independent and dominating sets, colorings, covering and packing, matchings, digraphs, graph algorithms, graphs and matrices, hypergraphs, perfect graphs, random graphs, structural characterization of graph classes.
  • Applications: Mathematical programming, combinatorial optimization applied to areas such as logistics, scheduling, resource allocation, and other real-world problems.

Event Venue

Pabellón Cero + Infinito, Universidad de Buenos Aires, Argentina

The Pabellón Cero + Infinito at the Universidad de Buenos Aires is a modern, sustainable building with an abundance of natural light, creating an ideal setting for academic exchange and collaboration.

Important Dates

Milestone Date
Submission Deadline April 30, 2025
Decision Notification July 20, 2025
Camera-Ready Version Deadline August 14, 2025
Early Bird Registration Deadline October 7, 2025
Event Dates November 10–14, 2025

All deadlines are at 23:59 Anywhere on Earth (AoE, UTC -12) Time Zone. To learn more, refer to this page.

Submissions

Proceedings will be published in Procedia Computer Science (Elsevier)

  • Authors are invited to submit original contributions in English, following the journal's template for LAGOS 2025 and Guide for Authors.
  • Submissions should not exceed eight (8) single-column pages, including references.
  • If necessary, additional content may be included in an appendix, which will not be published in the proceedings but will be available to the reviewers.
  • Simultaneous submission to other conferences with published proceedings or previously published papers is not allowed.
  • At least one author of each accepted paper must register and present the paper at the event for it to be included in the proceedings.
  • Submissions must be made electronically through the EasyChair platform. The opening of submissions will be announced in February 2025.

Special Issue

A special issue of Discrete Applied Mathematics will be devoted to selected full papers after the event

The Call for Papers will be announced in the coming months.

Committees

Steering Committee

  • Flavia Bonomo-Braberman, Universidad de Buenos Aires, Argentina
  • Manoel Campêlo, Universidade Federal do Ceará, Brazil
  • Guillermo Durán, Universidad de Buenos Aires, Argentina
  • Celina Herrera de Figueiredo, Universidade Federal do Rio de Janeiro, Brazil
  • Martín Matamala, Universidad de Chile, Chile
  • Miguel Pizaña, Universidad Autónoma Metropolitana, Mexico

 

Emeritus Steering Committee

  • Thomas Liebling, École Polytechnique Fédérale de Lausanne, Switzerland
  • Jayme Luiz Szwarcfiter, Universidade Federal do Rio de Janeiro, Brazil

 

General Chairs of LAGOS 2025

  • Luciano Grippo, Universidad Nacional de General Sarmiento, Argentina
  • Martín Safe, Universidad Nacional del Sur, Argentina

 

Program Committee (confirmed members so far)

  • Frédérique Bassino, Université Sorbonne Paris Nord, France
  • Julia Boettcher, The London School of Economics and Political Science, United Kingdom
  • Víctor Campos, Universidade Federal do Ceará, Brazil
  • Héctor Cancela, Universidad de la República, Uruguay
  • Pablo De Caria, Universidad Nacional de La Plata, Argentina
  • José Correa, Universidad de Chile, Chile
  • Florencia Cubria, Universidad de la República, Uruguay
  • Simone Dantas, Universidade Federal Fluminense, Brazil
  • Ezequiel Dratman, Universidad Nacional de General Sarmiento, Argentina
  • Tınaz Ekim, Boğaziçi Üniversitesi, Turkey
  • Cristina G. Fernandes, Universidade de São Paulo, Brazil
  • Silvia Fernández-Merchant, California State University, USA
  • Luciano Grippo (co-chair), Universidad Nacional de General Sarmiento, Argentina
  • Marina Groshaus, Universidade Federal do Paraná, Brazil
  • Frédéric Havet, Centre Inria d'Université Côte d'Azur, France
  • Carlos Hoppen, Universidade Federal do Rio Grande do Sul, Brazil
  • Marcos Kiwi, Universidad de Chile, Chile
  • Sulamita Klein, Universidade Federal do Rio de Janeiro, Brazil
  • Valeria Leoni, Universidad Nacional de Rosario, Argentina
  • Paloma Lima, IT University of Copenhagen, Denmark
  • Min Chih Lin, Universidad de Buenos Aires, Argentina
  • Carla Lintzmayer, Universidade Federal do ABC, Brazil
  • Javier Marenco, Universidad Torcuato Di Tella, Argentina
  • Antonio Mauttone, Universidad de la República, Uruguay
  • María Pía Mazzoleni, Universidad Nacional de La Plata, Argentina
  • Amanda Montejano, Universidad Nacional Autónoma de México, Mexico
  • Natasha Morrison, University of Victoria, Canada
  • Lucia Moura, University of Ottawa, Canada
  • Verónica Moyano, Universidad Nacional de General Sarmiento, Argentina
  • Graciela Nasini, Universidad Nacional de Rosario, Argentina
  • Nicolas Nisse, Centre Inria d'Université Côte d'Azur, France
  • Deborah Oliveros, Universidad Nacional Autónoma de México, Mexico
  • Daniel Panario, Carleton University, Canada
  • Michal Parnas, Academic College of Tel-Aviv-Yaffo, Israel
  • Adrián Pastine, Universidad Nacional de San Luis, Argentina
  • Lehilton Pedrosa, Universidade Estadual de Campinas, Brazil
  • Miguel Pizaña, Universidad Autónoma Metropolitana, Mexico
  • Sergio Rajsbaum, Universidad Nacional Autónoma de México, Mexico
  • Martín Safe (co-chair), Universidad Nacional del Sur, Argentina
  • Gelasio Salazar, Universidad Autónoma de San Luis Potosí, Mexico
  • Vinicius dos Santos, Universidade Federal de Minas Gerais, Brazil
  • Roberto Solis-Oba, The University of Western Ontario, Canada
  • Sophie Spirkl, University of Waterloo, Canada
  • Nicolas Stier-Moses, Meta, USA
  • Paola Tolomei, Universidad Nacional de Rosario, Argentina
  • Mario Valencia-Pabon, Université de Lorraine, France
  • Alfredo Viola, Universidad de la República, Uruguay
  • Annegret Wagler, Université Clermont Auvergne, France
  • Yoshiko Wakabayashi, Universidade de São Paulo, Brazil
  • José Zamora, Universidad Andrés Bello, Chile

Accepted Papers

The list of accepted papers will be shared after the review process.

Registration

Early bird registration deadline: October 7, 2025

Registration details will be provided in the coming months.