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COCOON
2006
Springer
14 years 13 days ago
The Complexity of Black-Box Ring Problems
We study the complexity of some computational problems on finite black-box rings whose elements are encoded as strings of a given length and the ring operations are performed by a ...
Vikraman Arvind, Bireswar Das, Partha Mukhopadhyay
RTA
2005
Springer
14 years 2 months ago
Orderings for Innermost Termination
Abstract. This paper shows that the suitable orderings for proving innermost termination are characterized by the innermost parallel monotonicity, IP-monotonicity for short. This p...
Mirtha-Lina Fernández, Guillem Godoy, Alber...
COMBINATORICS
2007
67views more  COMBINATORICS 2007»
13 years 8 months ago
Directed Animals and Gas Models Revisited
In this paper, we revisit the enumeration of directed animals using gas models. We show that there exists a natural construction of random directed animals on any directed graph t...
Yvan Le Borgne, Jean-François Marckert
COCOON
2001
Springer
14 years 1 months ago
Packing Two Disks into a Polygonal Environment
: We consider the following problem. Given a polygon P, possibly with holes, and having n vertices, compute a pair of equal radius disks that do not intersect each other, are conta...
Prosenjit Bose, Pat Morin, Antoine Vigneron
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
14 years 8 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang