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IJCGA
2007
76views more  IJCGA 2007»
13 years 10 months ago
Immobilizing Hinged Polygons
: We study the problem of fixturing a chain of hinged objects in a given placement with frictionless point contacts. We define the notions of immobility and robust immobility, wh...
Jae-Sook Cheong, A. Frank van der Stappen, Kenneth...
IJCGA
2007
55views more  IJCGA 2007»
13 years 10 months ago
Parabola Separation Queries and their Application to Stone Throwing
Given two sets A and B of m non-intersecting line segments in the plane, we show how to compute in O(m log m) time a data structure that uses O(m) space and allows to answer the fo...
Otfried Cheong, Hazel Everett, Hyo-Sil Kim, Sylvai...
IJCGA
2010
155views more  IJCGA 2010»
13 years 9 months ago
Competitive Complexity of Mobile Robot on-Line Motion Planning Problems
This paper is concerned with on-line problems where a mobile robot of size D has to achieve a task in an unknown planar environment whose geometry is acquired by the robot during ...
Yoav Gabriely, Elon Rimon
IJCGA
2008
114views more  IJCGA 2008»
13 years 11 months ago
Fixed Parameter Algorithms for the Minimum Weight Triangulation Problem
Published as Technical Report LU-CS-TR:2005-238 on February 13, 2006, ISSN 1650-1276 Report 158, Lund University, Sweden 2006 We discuss and compare four fixed parameter algorithm...
Magdalene G. Borgelt, Christian Borgelt, Christos ...
IJCGA
2000
64views more  IJCGA 2000»
13 years 10 months ago
High Fidelity Interval Assignment
Quadrilateral meshing algorithms impose certain constraints on the number of intervals or mesh edges of the curves bounding a surface. When constructing a conformal mesh of a colle...
Scott A. Mitchell