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» On numbers of Davenport-Schinzel sequences
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TCSV
2002
151views more  TCSV 2002»
15 years 6 months ago
Object-based video coding by global-to-local motion segmentation
Abstract--In this paper, we describe an object-based video compression scheme based on the derivation and efficient coding of motion boundaries. First, we recursively identify a sm...
Ahsan Shamim, John A. Robinson
NAR
2007
117views more  NAR 2007»
15 years 6 months ago
FGF: A web tool for Fishing Gene Family in a whole genome database
Gene duplication is an important process in evolution. The availability of genome sequences of a number of organisms has made it possible to conduct comprehensive searches for dup...
Hongkun Zheng, Junjie Shi, Xiaodong Fang, Yuan Li,...
JCT
2010
81views more  JCT 2010»
15 years 5 months ago
q-Partition algebra combinatorics
We study a q-analog Qr(n, q) of the partition algebra Pr(n). The algebra Qr(n, q) arises as the centralizer algebra of the finite general linear group GLn(Fq) acting on a vector ...
Tom Halverson, Nathaniel Thiem
JCT
2010
72views more  JCT 2010»
15 years 5 months ago
Extensions and restrictions of Wythoff's game preserving its p positions
We consider extensions and restrictions of Wythoff’s game having exactly the same set of P positions as the original game. No strict subset of rules give the same set of P posit...
Éric Duchêne, Aviezri S. Fraenkel, Ri...
NA
2010
118views more  NA 2010»
15 years 5 months ago
Practical Quasi-Newton algorithms for singular nonlinear systems
Quasi-Newton methods for solving singular systems of nonlinear equations are considered in this paper. Singular roots cause a number of problems in implementation of iterative met...
Sandra Buhmiler, Natasa Krejic, Zorana Luzanin