Program ACCOTA 2008

Schedule Sunday Monday Tuesday Wednesday Thursday Friday
7:00-9:30 Breakfast Breakfast Breakfast Breakfast Breakfast Breakfast
9:30-10:00 T. Jensen P. Hilneny J. Solymosi D. Bokal A. Kündgen
10:00-10:30 R. Gould M. Simonovits B. Mohar L. Montejano G. Whittle
10:30-11:00 Break Break Break Break Break Break
11:00-11:30 R. Jajcay B. Richter C. Balbuena J. Urrutia A. Kelmans
11:30-12:00 J. Bokowski G. Karolyi G. Salazar S. Eliahou M. Ruszinko
12:00-12:30 Break Break Break I. Gitler Break Break
12:30-13:00 R. Villarroel R. Strausz Le Anh Vinh E. Garcia-Moreno C. Valencia
13:00 13:30 J. Brennan M. Jacobson A. Sprague J. Edmonds
13:30-16:30 Lunch Lunch Lunch EXCURSION Lunch Lunch
16:30-16:50 J.M. Gomez L.P. Montejano EXCURSION E. O´Reilly G. Ita
16:50-17:10 J. Loyola Y. Sano EXCURSION A. Hansberg K. Knauer
17:15-17:45 E. Oshea M. Olsen EXCURSION I. Janovitz D. Oliveros
17:45-18:00 Break Break Break Break Break Break
18:00-18:30 P. Wiederhold G Araujo EXCURSION E. Reyes M. Pizaña
18:30-19:00 J.J. Montellano F. Sagols EXCURSION E. Rivera Campo L. Godyn
19:00-------- Dinner Dinner Dinner Dinner Dinner Dinner
Posters L. D. Garcia G. Aguilar R. López, G. Rodríguez R. Palma

Constructions of small regular bipartite graphs of girth 6
Gabriela Araujo–Pardo
Instituto de Matemáticas, UNAM
(Joint work Camino Balbuena)

Adjacency matrices of Polarity graphs and of other C4-free graphs of large size
Camino Balbuena
Universitat Politécnica de Catalunya
(Joint work with M. Abreu, G. Araujo–Pardo and D. Labbate)

On Some Results Relating Cuts and Crossing Numbers
Drago Bokal
University of Maribor

On Configurations of Points and Lines
Jürgen Bokowski
Guest at UNAM

Cut Ideals
Joseph Brennan
University of Central Florida

A Tight Bound For Vertex and Point Guards in Piece-Wise Convex Curvilinear Art Galleries
Javier Cano Vila and Jorge Urrutia Galicia
Instituto de Matemáticas, UNAM

Applying Recurrences Relations for Counting Combinatorial Objects on Graphs
Guillermo De Ita Luna
Universidad Autónoma de Puebla

Optimum Branching Systems
Jack Edmonds
Universite Paris VI
(Joint work with Gilberto Calvillo)

Signed permutations and the four–color theorem
Shalom Eliahou

Irreducible Graphs
Alejandro Flores Méndez, Isidoro Gitler and Enrique Reyes
Departamento de Matemáicas, CINVESTAV–IPN

The Semiextension Problem
Enrique García Moreno
Randolph College

Computation of Explicit Preimages in One–Dimensional Cellular Automata Applying the De Bruijn Diagram
José Manuel Gómez Soto
Universidad La Salle

On Saturated Graphs
Ronald J. Gould
Emory University

Independence and p–Domination in Graphs
Adriana Hansberg
RWTH Aachen University

Parse Trees and Efficient Algorithms for MSO–definable Problems
Petr Hlineny
Masaryk University

The Gamme of F–Saturator
Michael Jacobson
University of Colorado Denver
(Joint work with M. Ferrara and A. Harris)

The Use of Algebraic Methods in Cage Constructions
Robert Jajcay and Geoff Exoo
Indiana State University

Moment Matrices, Trace Matrices and the Radical of Ideals
Itnuit Janovitz Freireich
Departamento de Matemáticas, CINVESTAV–IPN

Splits of Circuits
Tommy R. Jensen
University Klagenfurt

The Exterior Algebra Method in Additive Combinatorics
Gyula Károlyi
Eötvös University (Budapest)

Analogues of Tutte’s and Barnetee’s Conjectures and Related Topics
Alexander Kelmans
University of Puerto Rico, Rutgers, University

How to eat 4/9 of a pizza
Kolja Knauer
Technical University Berlin
(Joint work with Piotr Micek and Torsten Ueckerdt)

A hypergraph covering problem
André Kündgen
California State University San Marcos

The Graceful tree Conjecture
Jean O. Loyola
University of the Philippines Los Baños

On the superconnectivity in graphs with odd girth g and even girth h
Luis Pedro Montejano
Universitat Politécnica de Catalunya
(Joint work with C. Balbuena and P. García–Vázquez)

Geometry and Topology in the Discrete Theory of Transversals
Luis Montejano Peimbert
Instituto de Matemáticas, UNAM

Some Anti–Ramsey Results
Juan José Montellano
Instituto de Matemáticas, UNAM

The Graphicahedron: A Generalization of the Permutahedron
Deborah Oliveros Braniff
Instituto de Matemáticas, UNAM

On Second Order Degree of Graphs
Mika Olsen

Flag–transitive Biplanes, the One-dimensional Affine Case
Eugenia O’Reilly Regueiro
Instituto de Matemáticas, UNAM
(Joint work Cheryl E. Praeger)

Algebraic Aspects of Statistical Disclosure Limitation
Edwin O’Shea
Departamento de Matemáticas, CINVESTAV–IPN

On the Clique Behavior of Compact Surfaces
Miguel Angel Pizaña

Complete Intersection Toric Ideals
Enique Reyes and Isidoro Gitler
Departamento de Matemáticas, CINVESTAV–IPN

On Kuratowski’s Theorem for Compact Metric Spaces
Bruce Richter
University of Waterloo

A ote on spanning trees with bounded degrees
Eduardo Rivera–Campo

Regular Superimposed Designs
Miklós Ruszinkó
Computer and Automation Research Institute of the Hungarian Academy of Scienc

Ideals, varieties, stability, colorings and combinatorial designs
Feliú Sagols
Departamento de Matemáticas, CINVESTAV–IPN
(Joint work with Ch.J. Colbourn and Javier Muñoz)

The Rectilinear Crossing Number of Kn: Closing in (or are we?)
Gelasio Salazar
Instituto de Física, UALSP
(Joint work Bernardo Ábrego, Mario Cetina, Silvia Fernández–Merchant and Jesús Leaños)

On the Rank Functions of H–Matroids
Yoshio Sano
Kyoto University

Stability methods and Erd˝os-Frankl-Rödl type theorems
Miklós Simonovits
Rényi Institute of Mathematics of the Hungarian Academy of Sciences

Triangulations in High Dimensions and the Sum-Product Problem
Jozsef Solymosi
University of British Columbia, Canadá

Multithreshold Graphs
Alan Sprague
University of Alabama at Birmingham
(Joint work Robert Jamison)

Chromomorphisms of separoids and the pseudoachromatic number of a graph; a nice connection
Richardo Strausz
Instituto de Matemáticas, UNAM

Constructing alpha-critical graphs
Carlos E. Valencia Oleta
Departamento de Matemáticas, CINVESTAV–IPN

Iterated Clique Graphs and Homotopy
Rafael Villarroel Flores, Francisco Larrión and Miguel Pizaña
Universidad Autónoma del Estado de Hidalgo

On Matroids Representable over the Real Numbers
Geoffrey P. Whittle
Victoria University of Wellington

Thinning on Posets Related to Polygonal Tilings and to Digital Images
Petra Wiederhold
Departamento de Control Automático, CINVESTAV–IPN

Luis A. Goddyn
Simon Fraser University

Bojan Mohar
Simon Fraser University

Le Anh Vinh
Harvard University


Computational Algebraic Geometry for Phylogenetic tree Construction
Luis David García Puente
Sam Houston State University

Irreducible Poligonizations of Surfaces
Gloria Aguilar Cruz and Francisco J. Zaragoza
Departamento de Matemáticas, CINVESTAV–UAM, Iztapalapa

Transformations for Graph Reduction
Rafael López Bracho and Guadalupe Rodríguez Sánchez

Hamiltonian Cycles in the Hypercube
Rosaura Palma–Orozco and Guillermo Morales–Luna
Departamento de Computación, CINVESTAV–IPN