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2008
60views more  ORDER 2008»
15 years 1 months ago
Fixed Points of Zircon Automorphisms
A zircon is a poset in which every principal order ideal is finite and equipped with a so-called special matching. We prove that the subposet induced by the fixed points of any aut...
Axel Hultman
AMC
2005
87views more  AMC 2005»
15 years 1 months ago
The distribution models of grazing animals between two grassland resource points
In this paper, by using theories of stochastic process and differential equation, the authors systematically studied the distribution of grazing animals between two resource point...
Weiming Wang, Zhenqing Li
CGF
2005
156views more  CGF 2005»
15 years 1 months ago
Efficient Animation of Point-Sampled Thin Shells
We present a novel framework for the efficient simulation and animation of discrete thin shells. Our method takes a point sampled surface as input and performs all necessary compu...
Martin Wicke, Denis Steinemann, Markus H. Gross
CAD
2004
Springer
15 years 1 months ago
Control point adjustment for B-spline curve approximation
Pottmann et al. propose an iterative optimization scheme for approximating a target curve with a B-spline curve based on square distance minimization, or SDM. The main advantage o...
Huaiping Yang, Wenping Wang, Jia-Guang Sun
COMGEO
2004
ACM
15 years 1 months ago
A lower bound on the number of triangulations of planar point sets
We show that the number of straight-edge triangulations exhibited by any set of n points in general position in the plane is bounded from below by (2.33n). 2004 Elsevier B.V. All ...
Oswin Aichholzer, Ferran Hurtado, Marc Noy