388 search results - page 19 / 78 » On the Number of Cycles in Planar Graphs |
DM
2007
13 years 7 months ago
2007
In this paper it is shown that a class of almost-median graphs that includes all planar almost-median graphs can be recognized in O(m log n) time, where n denotes the number of ve...
STOC
1990
ACM
13 years 11 months ago
1990
ACM
a 3-dimensions a separator size where is the ber of 3-simplexes in and is the number of ization of the separator results for planar graphs, such as the and Tarjan planar separator...
SODA
2012
ACM
11 years 10 months ago
2012
ACM
The Odd Cycle Transversal problem (OCT) asks whether a given graph can be made bipartite by deleting at most k of its vertices. In a breakthrough result Reed, Smith, and Vetta (Op...
ENDM
2000
13 years 7 months ago
2000
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 ...
JGT
2008
13 years 7 months ago
2008
The square G2 of a graph G is the graph with the same vertex set as G and with two vertices adjacent if their distance in G is at most 2. Thomassen showed that for a planar graph ...