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» Origamizing Polyhedral Surfaces
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DCG
2010
71views more  DCG 2010»
13 years 7 months ago
A Characterization of the Angle Defect and the Euler Characteristic in Dimension 2
The angle defect, which is the standard way to measure the curvatures at the vertices of polyhedral surfaces, goes back at least as far as Descartes. Although the angle defect has ...
Ethan D. Bloch
MJ
2008
122views more  MJ 2008»
13 years 7 months ago
Structural characteristics of carbon nanostructures synthesized by ECR-CVD
In this study, carbon nanotubes (CNTs) and nanoparticles were synthesized by an electron cyclotron resonance-chemical vapor deposition (ECR-CVD) system. Results show that both hig...
Te-Hua Fang, Tong Hong Wang, Deng-Maw Lu, Wen-Chie...
FOCS
2009
IEEE
14 years 2 months ago
Planarity Allowing Few Error Vertices in Linear Time
— We show that for every fixed k, there is a linear time algorithm that decides whether or not a given graph has a vertex set X of order at most k such that G − X is planar (w...
Ken-ichi Kawarabayashi
DAI
1998
Springer
13 years 12 months ago
Physically Based, Self-Organizing Cellular Automata
A physically based system of interacting polyhedral objects is used to model self-assembly and spontaneous organization of complex structures. The surfaces of the polyhedra in the ...
Alan Dorin
SIGGRAPH
1995
ACM
13 years 11 months ago
Applications of irradiance tensors to the simulation of non-Lambertian phenomena
We present new techniques for computing illumination from non-diffuse luminaires and scattering from non-diffuse surfaces. The methods are based on new closed-form expressions d...
James Arvo