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EJC
2008
13 years 9 months ago
Locally constrained graph homomorphisms and equitable partitions
We explore the connection between locally constrained graph homomorphisms and degree matrices arising from an equitable partition of a graph. We provide several equivalent charact...
Jirí Fiala, Daniël Paulusma, Jan Arne ...
IJON
2006
91views more  IJON 2006»
13 years 9 months ago
Symmetry axis extraction by a neural network
This paper proposes a neural network model that extracts axes of symmetry from visual patterns. The input patterns can be line drawings, plane figures or gray-scaled natural image...
Kunihiko Fukushima, Masayuki Kikuchi
ENTCS
2007
98views more  ENTCS 2007»
13 years 8 months ago
A Completeness Proof for Bisimulation in the pi-calculus Using Isabelle
We use the interactive theorem prover Isabelle to prove that the algebraic axiomatization of bisimulation equivalence in the pi-calculus is sound and complete. This is the first ...
Jesper Bengtson, Joachim Parrow
RAS
2006
100views more  RAS 2006»
13 years 8 months ago
Sampling and node adding in probabilistic roadmap planners
The probabilistic roadmap approach is one of the leading motion planning techniques. Over the past decade the technique has been studied by many different researchers. This has le...
Roland Geraerts, Mark H. Overmars
SPE
2008
89views more  SPE 2008»
13 years 8 months ago
The Runabout
This paper presents a variation of the visitor pattern which allows programmers to write visitor-like code in a concise way. The Runabout is a library extension that adds a limited...
Christian Grothoff