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COMPGEOM
2008
ACM
15 years 8 months ago
Self-improving algorithms for delaunay triangulations
We study the problem of two-dimensional Delaunay triangulation in the self-improving algorithms model [1]. We assume that the n points of the input each come from an independent, ...
Kenneth L. Clarkson, C. Seshadhri
ATMOS
2008
118views Optimization» more  ATMOS 2008»
15 years 8 months ago
Recoverable Robustness for Railway Rolling Stock Planning
Abstract. In this paper we explore the possibility of applying the notions of Recoverable Robustness and Price of Recoverability (introduced by [5]) to railway rolling stock planni...
Valentina Cacchiani, Alberto Caprara, Laura Galli,...
GD
2008
Springer
15 years 7 months ago
Generalizing the Shift Method for Rectangular Shaped Vertices with Visibility Constraints
In this paper we present a generalization of the shift method algorithm [4, 6] to obtain a straight-line grid drawing of a triconnected graph, where vertex representations have a c...
Seok-Hee Hong, Martin Mader
JCSS
2007
88views more  JCSS 2007»
15 years 6 months ago
Counting lattice vectors
We consider the problem of counting the number of lattice vectors of a given length and prove several results regarding its computational complexity. We show that the problem is ...
Denis Xavier Charles
JGTOOLS
2007
144views more  JGTOOLS 2007»
15 years 6 months ago
Faster Relief Mapping using the Secant Method
Relief mapping using the secant method offers an efficient method for adding per pixel height field based displacement to an arbitrary polygonal mesh in real time. The technique...
Eric Risser, Musawir Shah, Sumanta N. Pattanaik