"The mathematician’s patterns, like the painter’s or the poet’s must be beautiful; the ideas, like the colors or the words must fit together in a harmonious way. Beauty is the first test: there is no permanent place in this world for ugly mathematics."
G.H. Hardy

Recent presentations

Critical ideals of graphs at XXIV Coloquio Latinoamericano de Álgebra 2024
Distinguiedo gráficas usando dos matrices at XXXIX Coloquio Víctor Neumann-Lara de teoría de las gráficas, combinatoria y sus aplicaciones 2024
Pilas de arena: álgebra, combinatoria, optimización, y ... fractales at Jornadas sobre Matemáticas Contemporáneas at CINVESTAV 2023
Sistemas complejos y dinámicos discretos en la economía at Escuela de otoño "Sistemas Dinámicos, Control y sus Aplicaciones" at CICESE 2023
Calculando configuraciones de pilas de arena con programación entera at Congreso de la Sociedad Matemática Mexicana 2023 [video]
The degree-distance and transmission-adjacency matrices at International Linear Algebra Society 2023
Discrete dynamical systems in economics at CIDE 2022 [video]
Optimización de costos de acuñación de moneda at UAEH 2022 [video]
Ideales de distancia de gráficas at 55 Congreso de la Sociedad Matemática Mexicana 2022 [video]
Distance ideals of graphs at 24rd Conference of International Linear Algebra Society 2022
JGraphs at Coloquio Víctor Neumann-Lara de Gráficas 2022 [video]
Enumeracion de graficas coespectrales y coinvariantes at Coloquio Víctor Neumann-Lara de Gráficas 2022 [video]
Pilas de arena at Simposium Analisis y fisica matematica UAEH 2021 [simulaciones] [video]
Ideales distancia at Seminario de estudiantes MATH-CINVESTAV 2021 [video]
Enumeration of cospectral and coinvariant graphs at Virtual CombinaTexas 2021
Optimización de algunos costos de acuñación de moneda, presented in Seminario de Divulgación del Área Académica de Matemáticas y Física at UAEH 2021
Enumeration of cospectral and coinvariant graphs at LAWCG 2020
The sandpile groups of outerplanar graphs at LAWCG 2020
Grupos de pilas de arena de gráficas outerplanar at Congreso Virtual Sociedad Matemática Mexicana 2020 [video]
Minimum rank and critical ideals at Freie Universität Berlin December 2019
Optimización de algunos costos de acuñación de moneda, presented in seminario de matemáticas at ITAM
Análisis de datos en el espacio de árboles, presented in seminario de matemáticas at ITAM
A sandpile group characterization problem, presented in sandpile group workshop at BIRS Casa Matemática Oaxaca [video]
Critical Ideals of Digraphs, presented in VII Latin American Workshop on Cliques in Graphs
Critical ideals and applications, presented in LAAW 2018
Critical ideals and applications, presented in LAWCG 2018
Aplicaciones de los ideales criticos, presented in seminario de matemáticas at UASLP

Recent events

Albertson conjecture and related problems, merican Institute of Mathematics, Pasadena, California, October 14-18, 2024
XXIV Coloquio Latinoamericano de Álgebra, Santiago, Chile, July 22-26, 2024
25th Conference of the International Linear Algebra Society, Madrid, Spain, June 12-16, 2023
XII Latin-American Algorithms, Graphs and Optimization Symposium, Huatulco, México. September 18-22, 2023
Combinatorics and Optimization, ICERM, Providence, RI, USA, March 27-31, 2023
Computational Combinatorial Optimization, Bonn, Germany, September 12-16, 2022
24rd Conference of the International Linear Algebra Society, Galway, Ireland, June 20-24, 2022
Minicourse on Convex Geometry 2021
(Polytop)ics: Recent advances on polytopes 2021
Virtual CombinaTexas 2021
9th Latin American Workshop on Cliques in Graphs 2020
Congreso Virtual Sociedad Matemática Mexicana 2020
Dynamical Algebraic Combinatorics, October, 2020
CO@Work, September, 2020
23rd Conference of the International Linear Algebra Society, Galway, Ireland, June 22-26, 2020
Einstein Workshop on Polytopes and Algebraic Geometry, Berlin, Germany, December 2-4, 2019
Scaling limits of dynamical processes on Random graphs, Oaxaca, Mexico, May 19-24, 2019
VIII Latin American Workshop on Cliques in Graphs, Rio, Brazil, August 9-11, 2018
Linear Algebra and its Applications Workshop, Rio, Brazil, July, 30-31, 2018
Graduate Research Workshop in Combinatorics, Ames, Iowa, US, May 21 - June 1, 2018
Beyond Planarity: Crossing Numbers of Graphs, Utah, US, June 11-17 2017
VII Latin American Workshop on Cliques in Graphs, La Plata, Argentina, November 8-11 2016
Escuela de Algoritmos de Aproximación, Mexico City, Septiembre 12-14, 2016
III Taller de Matematicas Discretas, 19 - 24 Junio 2016
Sandpile Groups workshop 2015 talks
Crossing number workshop 2013
Douglas West's list of upcoming conferences

Interesting readings

The books that inspiring me more are:

- Hijos del Neoliberalismo by Ana Lilia Pérez, an interview by Sabina Berman can be wathed at Canal Once, and might be complemented with Fabrizio Mejía's video column
- La lucha por la desigualdad by Gonzalo Ponton
- Mexico profundo by Guillermo Bonfil Batalla and Interview with Guillermo Bonfil Batalla by Juan Stack
- El último teorema de Fermat - Amir Aczel
- The Lady Tasting Tea: How Statistics Revolutionized Science in the Twentieth Century by David Salsburg
- Networks: An Introduction by M. E. J. Newman
- The mathematics of chip-firing by Caroline J. Klivans
- The Sharing Economy by Arun Sundararajan
- Ubiquity by Mark Buchanan - It is a nice introduction to self-organized critical systems and the critical state.
- In Pursuit of the Traveling Salesman by William J. Cook
- The Poincare Conjecture: In Search of the Shape of the Universe by Donal O’Shea
- The Granularity of Growth by Patrick Viguerie, Sven Smit and Mehrdad Baghai
- "Euler worked on coinage for the national mint" cited from Euler's Gem

Other interesting readings:

- The Master Algorithm by Pedro Domingos
- Introduction to the Modeling and Analysis of Complex Systems by Hiroki Sayama
- Causal Inference: The Mixtape by Scott Cunningham
- Should your company be using mathematical optimization?
- What Is a Neural Network? (Try it easily by yourself!)
- Review of "Algorithms for data science" by Richard and Nicholas De Veaux (An interesting overview of data science)
- Guillermo del ¡Torito, no te mueras! by Gabriel Rodriguez (La ciencia en México también es un arte, y tampoco es fácil)
- Pamela Harris: The Mathematical Rise and Social Contribution of a Dreamer by Ricardo Cortez and Federico Ardila
- Ph.D.'s, come out of the closet! by Lina Nilsson
- Las dos culturas de las matemáticas by W.T. Gowers
- The Misfortunes of a Trio of Mathematicians Using Computer Algebra Systems. Can We Trust in Them? by Antonio J. Durán, Mario Pérez, and Juan L. Varona
- The clash over the Poincare conjecture
- How to build an economic model in your spare time by Hal R. Varian
- 50 years of integer programming 1958-2008
- Mathematics and Programming in the Cloud with CoCalc
- Nature of Code
- Hispanic Heritage: Pano Santos, a Beautiful Mind (watch an inspiring interview from FOX NEWS to Pano Santos, a scientist of HP Labs)
- El grupo crítico de una gráfica de listón orientable by Criel Merino (by minute 23 mentions our work)
- Steve Jobs at Stanford
- Traveling Salesman Problem

Interesting software

Linear optimization solver