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ARITH
1999
IEEE
15 years 10 months ago
Necessary and Sufficient Conditions for Parallel, Constant Time Conversion and Addition
This note presents necessary and sufficient conditions for parallel and constant time conversions from one digit-set into another, and thus also for constant time addition. In the...
Peter Kornerup
SIGACT
2008
103views more  SIGACT 2008»
15 years 6 months ago
Computational geometry column 50
Two long-open problems have been solved: (1) every sufficiently large planar point set in general position contains the vertices of an empty hexagon; (2) every finite collection o...
Joseph O'Rourke
ICNSC
2008
IEEE
16 years 26 days ago
Facility Location Optimization via Multi-Agent Robotic Systems
— A facility location problem deals with locating the best place for a group of facilities, among distinct demand points, minimizing a certain locational optimization function. I...
Miad Moarref, Hassan Sayyadi
TACAS
2007
Springer
118views Algorithms» more  TACAS 2007»
16 years 16 days ago
Checking Pedigree Consistency with PCS
Abstract. Many important problems in bioinformatics and genetics require analyses that are NP-complete. For example, one of the basic problems facing researchers that analyze pedig...
Panagiotis Manolios, Marc Galceran Oms, Sergi Oliv...
MFCS
2005
Springer
15 years 12 months ago
Inverse Monoids: Decidability and Complexity of Algebraic Questions
This paper investigates the word problem for inverse monoids generated by a set Γ subject to relations of the form e = f, where e and f are both idempotents in the free inverse m...
Markus Lohrey, Nicole Ondrusch