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DCG
2007
83views more  DCG 2007»
13 years 8 months ago
The Genus of a Digital Image Boundary Is Determined by Its Foreground, Background, and Reeb Graphs
Weprovethatthegenusoftheboundaryofadigitalimageispreciselyhalfofthe sum of the cycle ranks of three particular graphs: the “foreground graph” and “background graph,” which ...
Lowell Abrams, Donniell E. Fishkind
JSAT
2008
90views more  JSAT 2008»
13 years 8 months ago
2006 and 2007 Max-SAT Evaluations: Contributed Instances
In this technical report we briefly describe the instances submitted to the 2006 and 2007 MaxSAT Evaluations. First, we introduce the instances that can be directly encoded as Max...
Federico Heras, Javier Larrosa, Simon de Givry, Th...
DEDS
2007
111views more  DEDS 2007»
13 years 8 months ago
Compositional Synthesis of Maximally Permissive Supervisors Using Supervision Equivalence
This paper presents a general framework for efficient synthesis of supervisors for discrete event systems. The approach is based on compositional minimisation, using concepts of p...
Hugo Flordal, Robi Malik, Martin Fabian, Knut &Ari...
DM
2007
123views more  DM 2007»
13 years 8 months ago
Totally anti-symmetric quasigroups for all orders n =/ 2, 6
A quasigroup (Q, ∗) is called totally anti-symmetric if (c ∗ x) ∗ y = (c ∗ y) ∗ x ⇒ x = y and x∗y = y∗x ⇒ x = y. A totally anti-symmetric quasigroup can be used ...
H. Michael Damm
DM
2007
119views more  DM 2007»
13 years 8 months ago
Short proofs for cut-and-paste sorting of permutations
We consider the problem of determining the maximum number of moves required to sort a permutation of [n] using cut-and-paste operations, in which a segment is cut out and then pas...
Daniel W. Cranston, Ivan Hal Sudborough, Douglas B...