2022 up to date
2018 (January-March)
2009 up to date
Department of Mathematics
2009 up to date
Center of Applied Physics and Advanced Technology
1994 up to date
Faculty of Sciences
2000-2005
Department of Mathematics and Statistics
Self-dual polytopes and chromatic numbers
Faculty of Sciences, UNAM México
Teoremas tipo Ramsey en Nervios, particiones de puntos
Posgrado en Ciencias Matemáticas, UNAM 2023
Teoremas Tipo Tverberg en posición convexa
Facultad de Ciencias, UNAM México September, 2021
Two Problems in Discrete Geometry related with Metric Polytopes
Posgrado en Ciencias Matemáticas, UNAM October, 2020
Queretaro State University, UAQ, Mexico
Piercing number for boxes on subsets of R^d
Queretaro State University UAQ, Mexico June, 2017
Faculty of Sciences, National University of Mexico UNAM March, 2017
Critical Convex Polygons and the Theorem of Doignon-Bell-Scarf in dimension two
Queretaro State University, UAQ January, 2016
(p,q) Theorems for linear and ciclic permutations
Queretaro State University, UAQ, Mexico September, 2015
Piercing number, the Chromatic number of hypergraphs and the Katchalski conjecture
Faculty of Sciences, National University of Mexico, UNAM May, 2015
Over the genus of cubic bicirculant graphs
Queretaro State University, UAQ June, 2014
Generating trees and the transportation polytope
Queretaro State University, UAQ May, 2014
Piecing properties of boxes
Queretaro State University, UAQ February, 2014
(p,q) theorems for lines and intervals
Faculty of Sciences, UNAM, Mexico March, 2014
Colorations of hypergraphs and Mycielski type theorems
Faculty of Sciences, UNAM, Mexico Co-dirección with Luis Montejano Peimbert June, 2012
Symmetries and visualizations of the Graphicaedron
Faculty of Sciences, UNAM, Mexico August, 2009
Pensamiento matemático en secundaria, actividades para el desarrollo curricular
Faculty of Sciences, UNAM, Mexico November, 2008