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» The flipping puzzle on a graph
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EJC
2010
13 years 5 months ago
The edge-flipping group of a graph
Let X = (V, E) be a finite simple connected graph with n vertices and m edges. A configuration is an assignment of one of two colors, black or white, to each edge of X. A move app...
Hau-wen Huang, Chih-wen Weng
WWW
2008
ACM
14 years 5 months ago
A teapot graph and its hierarchical structure of the chinese web
The shape of the Web in terms of its graphical structure has been a widely interested topic. Two graphs, Bow Tie and Daisy, have stood out from previous research. In this work, we...
Jonathan J. H. Zhu, Tao Meng, Zhengmao Xie, Geng L...
CVPR
2006
IEEE
14 years 7 months ago
Shape from Shading: Recognizing the Mountains through a Global View
Resolving local ambiguities is an important issue for shape from shading (SFS). Pixel ambiguities of SFS can be eliminated by propagation approaches. However, patch ambiguities st...
Qihui Zhu, Jianbo Shi
TVLSI
2010
12 years 11 months ago
Pattern Sensitive Placement Perturbation for Manufacturability
The gap between VLSI technology and fabrication technology leads to strong refractive effects in lithography. Consequently, it is a huge challenge to reliably print layout features...
Shiyan Hu, Patrik Shah, Jiang Hu