Welcome to the webpage of the eighth edition of "Encuentro Colombiano de Combinatoria (ECCO)” (Colombian Combinatorics Meeting). It will take place in Popayán, Colombia and will be hosted by the Universidad del Cauca. The previous meetings took place in Bogotá (2003, 2008, 2012, 2014, 2022), Medellín (2016), and Barranquilla (2018); see some of ECCO's history here. The main objective of the school is to bring young mathematicians from the region into close contact with international researchers and leading experts in various fields of combinatorics and its applications. The aim is to promote mathematical research among young students in a motivating environment, and to consolidate a regional research network in combinatorics. 

The two weeks of the school consist of four mini courses with exercise sessions, two plenary lectures, a SageMath tutorial, and research talks given by the participants. The program is structured around the students, and all the participants, independent of their career stage, are highly encouraged to take part of the exercise sessions and the other activities.