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» On Generalized Schur Numbers
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JCO
2008
84views more  JCO 2008»
15 years 6 months ago
Partitioning a weighted partial order
The problem of partitioning a partially ordered set into a minimum number of chains is a well-known problem. In this paper we study a generalization of this problem, where we not ...
Linda S. Moonen, Frits C. R. Spieksma
CORR
2007
Springer
105views Education» more  CORR 2007»
15 years 6 months ago
Vector Precoding for Wireless MIMO Systems: A Replica Analysis
We apply the replica method to analyze vector precoding, a method to reduce transmit power in antenna array communications. The analysis applies to a very general class of channel...
Ralf R. Müller, Dongning Guo, Aris L. Moustak...
DAM
2007
74views more  DAM 2007»
15 years 6 months ago
On the uniform edge-partition of a tree
We study the problem of uniformly partitioning the edge set of a tree with n edges into k connected components, where k ≤ n. The objective is to minimize the ratio of the maximu...
Bang Ye Wu, Hung-Lung Wang, Shih Ta Kuan, Kun-Mao ...
DAM
2007
85views more  DAM 2007»
15 years 6 months ago
Further mathematical properties of Cayley digraphs applied to hexagonal and honeycomb meshes
In this paper, we extend known relationships between Cayley digraphs and their subgraphs and coset graphs with respect to subgroups to obtain a number of general results on homomo...
Wenjun Xiao, Behrooz Parhami
DEBU
2007
97views more  DEBU 2007»
15 years 6 months ago
Challenges in Searching Online Communities
An ever-growing number of users participate in online communities such as Flickr, del.icio.us , and YouTube , making friends and sharing content. Users come to these sites to fin...
Sihem Amer-Yahia, Michael Benedikt, Philip Bohanno...