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ENTCS
2002
95views more  ENTCS 2002»
13 years 5 months ago
Deriving Bisimulation Congruences: A 2-categorical Approach
We introduce G-relative-pushouts (GRPO) which are a 2-categorical generalisation of relative-pushouts (RPO). They are suitable for deriving labelled transition systems (LTS) for p...
Vladimiro Sassone, Pawel Sobocinski
ACL2
2006
ACM
13 years 11 months ago
Parameterized congruences in ACL2
Support for congruence-based rewriting is built into ACL2. This capability allows ACL2 to treat certain predicate relations ”just like equality” under appropriate conditions a...
David Greve
IJAC
2007
62views more  IJAC 2007»
13 years 5 months ago
Property (FA) and Lattices in su(2, 1)
In this paper we consider Property (FA) for lattices in SU(2, 1). First, we prove that SU(2, 1; O3) has Property (FA). We then prove that the arithmetic lattices in SU(2, 1) of se...
Matthew Stover
MICCAI
2003
Springer
14 years 6 months ago
A Multiscale Feature Detector for Morphological Analysis of the Brain
Feature detection on MR images has largely relied on intensity classification and gradient-based magnitudes. In this paper, we propose the use of phase congruency as a more robust ...
Marius George Linguraru, Miguel Ángel Gonz&...