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CCCG
2004
13 years 6 months ago
On computing enclosing isosceles triangles and related problems
Given a set of n points in the plane, we show how to compute various enclosing isosceles triangles where different parameters such as area or perimeter are optimized. We then stud...
Prosenjit Bose, Carlos Seara, Saurabh Sethia
SIAMJO
2008
117views more  SIAMJO 2008»
13 years 5 months ago
Two Algorithms for the Minimum Enclosing Ball Problem
Given A := {a1, . . . , am} Rn and > 0, we propose and analyze two algorithms for the problem of computing a (1 + )-approximation to the radius of the minimum enclosing ball o...
E. Alper Yildirim
SODA
2003
ACM
126views Algorithms» more  SODA 2003»
13 years 6 months ago
Smaller core-sets for balls
We prove the existence of small core-sets for solving approximate k-center clustering and related problems. The size of these core-sets is considerably smaller than the previously...
Mihai Badoiu, Kenneth L. Clarkson
COMPGEOM
2006
ACM
13 years 11 months ago
Locked and unlocked chains of planar shapes
We extend linkage unfolding results from the well-studied case of polygonal linkages to the more general case of linkages of polygons. More precisely, we consider chains of nonove...
Robert Connelly, Erik D. Demaine, Martin L. Demain...
ACG
2006
Springer
13 years 11 months ago
Recognizing Seki in Computer Go
Seki is a situation of coexistence in the game of Go, where neither player can profitably capture the opponent’s stones. This paper presents a new method for deciding whether an...
Xiaozhen Niu, Akihiro Kishimoto, Martin Mülle...