1243 search results - page 119 / 249 » Generating Trees on Multisets |
COMBINATORICS
2002
14 years 9 months ago
2002
We consider permutations that avoid the pattern 1324. By studying the generating tree for such permutations, we obtain a recurrence formula for their number. A computer program pr...
CPC
2008
14 years 8 months ago
2008
Abstract. Zeilberger's enumeration schemes can be used to completely automate the enumeration of many permutation classes. We extend his enumeration schemes so that they apply...
BMCBI
2008
14 years 10 months ago
2008
Background: In plant mitochondria, the post-transcriptional RNA editing process converts C to U at a number of specific sites of the mRNA sequence and usually restores phylogeneti...
GECCO
2006
Springer
15 years 1 months ago
2006
Springer
The most popular approaches for reconstructing phylogenetic trees attempt to solve NP-hard optimization criteria such as maximum parsimony (MP). Currently, the bestperforming heur...
ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
Motion based video indexing is an important and active research area in content-based video retrieval. It explores the dynamic characteristics of video content and provides techni...