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DGCI
2006
Springer
13 years 11 months ago
Topological and Geometrical Reconstruction of Complex Objects on Irregular Isothetic Grids
In this paper, we address the problem of vectorization of binary images on irregular isothetic grids. The representation of graphical elements by lines is common in document analys...
Antoine Vacavant, David Coeurjolly, Laure Tougne
CORR
2010
Springer
60views Education» more  CORR 2010»
13 years 7 months ago
Hypersurfaces with degenerate duals and the Geometric Complexity Theory Program
We determine set-theoretic defining equations for the variety Dualk,d,N P(Sd CN ) of hypersurfaces of degree d in CN that have dual variety of dimension at most k. We apply these ...
J. M. Landsberg, Laurent Manivel, Nicolas Ressayre
CORR
2010
Springer
54views Education» more  CORR 2010»
13 years 7 months ago
Geometric Complexity Theory and Tensor Rank
Peter Buergisser, Christian Ikenmeyer
JSC
2010
94views more  JSC 2010»
13 years 5 months ago
P versus NP and geometry
In this primarily expository article, I describe geometric approaches to variants of P v. NP, present several results that illustrate the role of group actions in complexity theory...
J. M. Landsberg