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COMPGEOM
2007
ACM
15 years 1 months ago
On the hardness of minkowski addition and related operations
For polytopes P, Q Rd we consider the intersection P Q; the convex hull of the union CH(P Q); and the Minkowski sum P + Q. We prove that given rational H-polytopes P1, P2, Q it...
Hans Raj Tiwary
MP
2006
88views more  MP 2006»
14 years 9 months ago
Two-edge connected subgraphs with bounded rings: Polyhedral results and Branch-and-Cut
Abstract. We consider the network design problem which consists in determining at minimum cost a 2-edge connected network such that the shortest cycle (a "ring") to which...
Bernard Fortz, Ali Ridha Mahjoub, S. Thomas McCorm...
64
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SIAMAM
2008
62views more  SIAMAM 2008»
14 years 9 months ago
A Thermal Elastic Model for Directional Crystal Growth with Weak Anisotropy
In this paper we present a semi-analytical thermal stress solution for directional growth of type III-V compounds with small lateral heat flux and weak anisotropy. Both geometric a...
Jinbiao Wu, C. Sean Bohun, Huaxiong Huang
CHI
2010
ACM
15 years 4 months ago
Experience, adjustment, and engagement: the role of video in law enforcement
Questions about the effectiveness of increasingly ubiquitous video technology in law enforcement have prompted an examination of the practices surrounding this technology. We pres...
Joe Tullio, Elaine M. Huang, David Wheatley, Harry...
ISPDC
2006
IEEE
15 years 3 months ago
D-Grid, an E-Science Framework for German Scientists
The World Wide Web has become pervasive in many facets of our professional and personal lives during the past 10 years. Today, another Internet revolution is emerging: Grid Comput...
Wolfgang Gentzsch