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JCT
2010
87views more  JCT 2010»
13 years 7 months ago
Bijections between pattern-avoiding fillings of Young diagrams
The pattern-avoiding fillings of Young diagrams we study arose from Postnikov’s work on positive Grassman cells. They are called Γ -diagrams, and are in bijection with decorate...
Matthieu Josuat-Vergès
MOR
2010
111views more  MOR 2010»
13 years 7 months ago
Generalized Domino-Parity Inequalities for the Symmetric Traveling Salesman Problem
We extend the work of Letchford (2000) by introducing a new class of valid inequalities for the traveling salesman problem, called the generalized domino-parity (GDP) constraints....
William J. Cook, Daniel G. Espinoza, Marcos Goycoo...
CORR
2010
Springer
163views Education» more  CORR 2010»
13 years 7 months ago
Faster Algorithms for Semi-Matching Problems
We consider the problem of finding semi-matching in bipartite graphs which is also extensively studied under various names in the scheduling literature. We give faster algorithms ...
Jittat Fakcharoenphol, Bundit Laekhanukit, Danupon...
TCSV
2010
13 years 3 months ago
Face and Human Gait Recognition Using Image-to-Class Distance
We propose a new distance measure for face recognition and human gait recognition. Each probe image (a face image or an average human silhouette image) is represented as a set of ...
Yi Huang, Dong Xu, Tat-Jen Cham
INFOCOM
2010
IEEE
13 years 7 months ago
Analyzing the Performance of Greedy Maximal Scheduling via Local Pooling and Graph Theory
—Efficient operation of wireless networks and switches requires using simple (and in some cases distributed) scheduling algorithms. In general, simple greedy algorithms (known a...
Berk Birand, Maria Chudnovsky, Bernard Ries, Paul ...