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» Problems from CGCS Luminy, May 2007
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EJC
2010
13 years 11 months ago
Problems from CGCS Luminy, May 2007
Most of these problems were presented at the conference on Combinatorics, Geometry and Computer Science, held at CIRM, Luminy, 2-4 May 2007. I have added one problem on a similar ...
Peter J. Cameron
ACS
2007
13 years 11 months ago
Algebra and Geometry of Rewriting
We present various results of the last twenty years converging towards a homotopical theory of computation. This new theory is based on two crucial notions : polygraphs (introduce...
Yves Lafont
AMC
1999
102views more  AMC 1999»
13 years 10 months ago
Analysis and approximation of optimal control problems for first-order elliptic systems in three dimensions
We examine analytical and numerical aspects of optimal control problems for firstorder elliptic systems in three dimensions. The particular setting we use is that of divcurl syste...
Max Gunzburger, Hyung-Chun Lee
ESA
2007
Springer
97views Algorithms» more  ESA 2007»
14 years 5 months ago
To Fill or Not to Fill: The Gas Station Problem
In this paper we study several routing problems that generalize shortest paths and the Traveling Salesman Problem. We consider a more general model that incorporates the actual co...
Samir Khuller, Azarakhsh Malekian, Julián M...
MVA
2002
147views Computer Vision» more  MVA 2002»
13 years 10 months ago
Extraction of Character String Areas from Color Scenery Image Using Extended Psychological Potential Field
As digital cameras have been used widely, a technology to extract features of character string areas from scenery (nature) image is required. However, it is very difficult to extr...
Masanori Anegawa, Akira Nakamura