Slides
- Partitions of graphs with bounded maximum average degree
pdf file
Graph Theory 2011
Kolding,
Denmark
Thursday April 28 - Sunday May 1, 2011
- Near-colorings and Steinberg conjecture
pdf file
Department of Mathematics,
Zhejiang Normal University,
Jinhua, China
October 13, 2011
- Acyclic k-choosability of planar graphs
pdf file
Dept. Mathematics
Sun Yat-sen University
Kaoshiung
Taiwan.
February 26, 2010
- Homomorphisms of sparse graphs to small graphs
pdf file
Graph Theory 2009
Fredericia,
Denmark
Thursday November 26 - Sunday November 29, 2009
- Star coloring of graphs
pdf file
CID 2009
Colourings, Independence and Domination
13th WORKSHOP ON GRAPH THEORY
September 20-25, 2009, Szklarska Poreba,
POLAND
- On the injective chromatic number of graphs
pdf file
CanaDAM
May 28-31, 2007
Banff, Alberta
Canada
- Shortest Cycle Cover
pdf file
Graph Theory 2005,
Nyborg
Denmark
December 1-4, 2005