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CORR
2007
Springer
52views Education» more  CORR 2007»
13 years 9 months ago
Hierarchical Unambiguity
Abstract. We develop techniques to investigate relativized hierarchical unambiguous computation. We apply our techniques to push forward some known constructs involving relativized...
Holger Spakowski, Rahul Tripathi
CORR
2007
Springer
94views Education» more  CORR 2007»
13 years 9 months ago
Size reduction of complex networks preserving modularity
The ubiquity of modular structure in real-world complex networks is being the focus of attention in many trials to understand the interplay between network topology and functionali...
Alex Arenas, J. Duch, A. Fernandez, Sergio G&oacut...
CORR
2007
Springer
78views Education» more  CORR 2007»
13 years 9 months ago
Tag-Cloud Drawing: Algorithms for Cloud Visualization
Tag clouds provide an aggregate of tag-usage statistics. They are typically sent as in-line HTML to browsers. However, display mechanisms suited for ordinary text are not ideal fo...
Owen Kaser, Daniel Lemire
CORR
2007
Springer
79views Education» more  CORR 2007»
13 years 9 months ago
Type-II/III DCT/DST algorithms with reduced number of arithmetic operations
We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additi...
Xuancheng Shao, Steven G. Johnson
CORR
2007
Springer
176views Education» more  CORR 2007»
13 years 9 months ago
Crystallization in large wireless networks
—We analyze fading interference relay networks where M single-antenna source-destination terminal pairs communicate concurrently and in the same frequency band through a set of K...
Veniamin I. Morgenshtern, Helmut Bölcskei