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» On generalized Ramsey numbers
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206
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CORR
2008
Springer
85views Education» more  CORR 2008»
15 years 7 months ago
Ranking and Unranking of Hereditarily Finite Functions and Permutations
Prolog's ability to return multiple answers on backtracking provides an elegant mechanism to derive reversible encodings of combinatorial objects as Natural Numbers i.e. ranki...
Paul Tarau
198
Voted
CORR
2008
Springer
122views Education» more  CORR 2008»
15 years 7 months ago
Simulations between triangular and hexagonal number-conserving cellular automata
Abstract. A number-conserving cellular automaton is a cellular automaton whose states are integers and whose transition function keeps the sum of all cells constant throughout its ...
Katsunobu Imai, Bruno Martin
193
Voted
CORR
2008
Springer
113views Education» more  CORR 2008»
15 years 7 months ago
Expressing OLAP operators with the TAX XML algebra
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, i...
Marouane Hachicha, Hadj Mahboubi, Jérô...
CORR
2008
Springer
80views Education» more  CORR 2008»
15 years 7 months ago
Channel and Multiuser Diversities in Wireless Systems: Delay-Energy Tradeoff
We consider a communication system with multi-access fading channel. Each user in the system requires certain rate guarantee. Our main contribution is to devise a scheduling scheme...
Prasanna Chaporkar, Kimmo Kansanen, Ralf R. Mü...
CORR
2008
Springer
104views Education» more  CORR 2008»
15 years 7 months ago
De Bruijn Graph Homomorphisms and Recursive De Bruijn Sequences
This paper presents a method to find new De Bruijn cycles based on ones of lesser order. This is done by mapping a De Bruijn cycle to several vertex disjoint cycles in a De Bruijn ...
Abbas Alhakim, Mufutau Akinwande