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COMPGEOM
2005
ACM
15 years 4 months ago
Hadwiger and Helly-type theorems for disjoint unit spheres in R3
Let S be an ordered set of disjoint unit spheres in R3 . We show that if every subset of at most six spheres from S admits a line transversal respecting the ordering, then the ent...
Otfried Cheong, Xavier Goaoc, Andreas Holmsen
95
Voted
CORR
2007
Springer
119views Education» more  CORR 2007»
15 years 2 months ago
Hadwiger and Helly-type theorems for disjoint unit spheres
Let S be an ordered set of disjoint unit spheres in R3 . We show that if every subset of at most six spheres from S admits a line transversal respecting the ordering, then the ent...
Otfried Cheong, Xavier Goaoc, Andreas Holmsen, Syl...
CAGD
2002
69views more  CAGD 2002»
15 years 2 months ago
Adjusting control points to achieve continuity
In this paper, I discuss a method for increasing the continuity between two functional triangular polynomial patches by adjusting their control points. The method described in thi...
Stephen Mann
121
Voted
DAC
2004
ACM
16 years 3 months ago
Placement feedback: a concept and method for better min-cut placements
The advent of strong multi-level partitioners has made topdown min-cut placers a favored choice for modern placer implementations. We examine terminal propagation, an important st...
Andrew B. Kahng, Sherief Reda
129
Voted
CISS
2008
IEEE
15 years 9 months ago
On wireless network scheduling with intersession network coding
Abstract—Cross-layer optimization including congestion control, routing, and scheduling has shown dramatic throughput improvement over layered designs for wireless networks. In p...
Chih-Chun Wang, Ness B. Shroff