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ENDM
2000
121views more  ENDM 2000»
13 years 11 months ago
Finding the chromatic number by means of critical graphs
We propose a new exact algorithm for finding the chromatic number of a graph G. The algorithm attempts to determine the smallest possible induced subgraph G' of G which has t...
Francine Herrmann, Alain Hertz
ENDM
2000
60views more  ENDM 2000»
13 years 11 months ago
The graph sandwich problem for 1-join composition is NP-complete
A graph is a 1-join composition if its vertex set can be partitioned into four nonempty sets AL; AR; SL and SR such that: every vertex of AL is adjacent to every vertex of AR; no ...
Celina M. Herrera de Figueiredo, Sulamita Klein, K...
ENDM
2000
131views more  ENDM 2000»
13 years 11 months ago
Some Topological Methods in Graph Coloring Theory
Attempts to solve the famous Four Color Problem led to fruitful discoveries and rich coloring theories. In this talk, some old and some recent applications of tools from topology ...
Bojan Mohar
ENDM
2000
67views more  ENDM 2000»
13 years 11 months ago
Graph Packings
Pavol Hell
ENDM
2000
78views more  ENDM 2000»
13 years 11 months ago
Rigidity of multi-story buildings
Norbert Radics
ENDM
2000
116views more  ENDM 2000»
13 years 11 months ago
Conceptual Models for Combined Planning and Scheduling
Planning and scheduling attracts an unceasing attention of computer science community. Several research areas like Artificial Intelligence, Operations Research and Constraint Prog...
Roman Barták
ENDM
2000
174views more  ENDM 2000»
13 years 11 months ago
Hybrid Constraints in Automated Model Synthesis and Model Processing
Both parametric design tasks and analysis tasks of technical systems have a similar problem setting: The structure of the system to be configured or analyzed is defined already. W...
Klaus-Ulrich Leweling, Benno Stein