2 search results - page 1 / 1 » Nonrepetitive colorings of graphs of bounded tree-width |
DM
2008
13 years 7 months ago
2008
A sequence of the form s1s2 . . . sms1s2 . . . sm is called a repetition. A vertex-coloring of a graph is called nonrepetitive if none of its paths is repetitively colored. We ans...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
A sequence is nonrepetitive if it does not contain two adjacent identical blocks. The remarkable construction of Thue asserts that 3 symbols are enough to build an arbitrarily long...