DIMACS/DIMATIA/Rényi Working Group on Algebraic and Geometric Methods in Combinatorics II

Second Meeting: April 6 - 7, 2004
Location: Alfréd Rényi Institute, Budapest, Hungary

Organizers:
Gyula Katona, Alfréd Rényi Institute, ohkatona@renyi.hu
Dezso Miklós, Alfréd Rényi Institute
Attila Sali, Alfréd Rényi Institute

The Rényi Institute Home Page

DIMACS/DIMATIA/Rényi Working Group on Algebraic and Geometric Methods in Combinatorics Main Page

DIMACS/DIMATIA/Renyi Tripartite Partnership

This meeting is part of a larger meeting occurring April 4 - 7, 2004*. For further information see Rényi Institute Workshop on Algebraic and Geometric Methods in Combinatorics Website. * Note this is an update to the dates given on the Renyi website.


Workshop Program:

Sunday, April 4, 2004

 9:30 - 10:35  János Pach and me: From union of pseudodisks to geometric incidences
               M. Sharir 

10:35 - 10:55  Coffee break 

10:55 - 11:25  A notion of density for hyperbolic packings and coverings
               K. Böröczky

11:30 - 12:00  Sidon type problems in extremal set theory 
               M. Ruszinkó 

12:00 -  2:00  Lunch Break 

 2:00 -  2:30  Local chromatic number of stable Kneser graphs 
               and a generalization of the Borsuk-Ulam theorem
               G. Simonyi 

 2:35 -  3:05  Dirac Theorem for 3-uniform hypergraphs I
               A. Rucinski

 3:10 -  3:40  Dirac Theorem for 3-uniform hypergraphs II
               E. Szemerédi

 3:40 -  4:00  Coffee break 

 4:00 -  4:30  Crossing stars in topological graphs
               G. Tóth 

 4:35 -  5:05  Irregular assignments
               M. Karonski 

 5:10 -  5:40  On 0-1 matrices and small excluded submatrices 
               G. Tardos 

 5:45 -  6:15  Well-quasi-orderings, tournaments, and a finiteness result
               B. Latka

Monday, April 5, 2004

 9:30 - 10:00  The six circle conjecture of László Fejes Tóth 
               I. Bárány 

10:05 - 10:35  The Erdős - T. Sós conjecture on the extremal problem of (large) trees
               M. Simonovits 

10:35 - 10:55  Coffee break 

10:55 - 11:25  Infinite families of tight 3-uniform hypergraphs
               B. Llano 

11:30 - 12:00  TBA, J. Kahn 

12:00 -  2:00  Lunch Break 

 2:00 -  2:30  On an incidence bound of Pach--Sharir 
               Gy. Elekes 

 2:35 -  3:05  An algorithmic approach to a theorem of Győri on intervals
               A. Frank 

 3:10 -  3:40  On the editing distance in graphs
               R. Martin

 3:40 -  4:00  Coffee break 

 4:00 -  4:30  Multiply intersecting families of sets
               Zs. Katona

 4:35 -  5:05  Combinatorics of Problems/Solutions systems
               O. Einstein

 5:10 -  5:40  A note on an heterochromatic number for hypercubes
               E. Rivera-Campo 

 5:45 -  6:40  Extremal and enumerative results on ordered hypergraphs
               M. Klazar

Tuesday, April 6, 2004

 9:30 - 10:35  Role Assignments in Social Networks
               Fred Roberts 

10:35 - 10:55  Coffee break 

10:55 - 11:25  Remarks on the unit distance problem for strictly convex norms
	       P. Valtr 

11:30 - 12:00  Discrete Shortcuts in Quantum Knot Theory
               M. Loebl 

12:00 -  2:00  Lunch Break 

 2:00 -  3:05  TBA, J. Nesetril 

 3:10 -  3:40  Matrix partitions of graphs
               P. Hell 

 3:40 -  4:00  Coffee break 

 4:00 -  4:30  Combinatorial number theory and the polynomial method 
               Gy. Károlyi 

 4:35 -  5:05  TBA, N. Singhi

 5:10 -  5:40  On correlation properties of some random colorings
               N. Weininger

 5:45 -  6:15  Hamiltonian cycles in regular tournaments
               W. Cuckler

Wednesday, April 7, 2004

 9:30 - 10:35  Graph homomorphisms, statistical physics and quasirandom graphs 
               L. Lovász 

10:35 - 10:55  Coffee break 

10:55 - 11:25  Gröbner bases of finite point sets 
               L. Rónyai 

11:30 - 12:00  Some results on the fibered product of graphs 
               A. Khelladi 

12:00 -  2:00  Lunch Break 

 2:00 -  2:30  On Topological Graphs without Self-Intersecting 4-cycles
               A. Marcus
 
 2:35 -  3:05  Equipartite graphs, polytopes and sets of points
               D. Kral
 
 3:10 -  3:40  Saturated chain partitions of ranked posets and 
               symmetric 11-Venn-diagrams 
               A. Sali 

 3:40 -  4:00  Coffee break 

 4:00 -  4:30  Well-quasi-ordering and Permutations
               V. Vatter

 4:35 -  6:15   Problem Session

The joint conference banquet will be held on April 5th.


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Document last modified on April 16, 2004.