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» Some Lower Bounds on Geometric Separability Problems
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81
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MFCS
2005
Springer
15 years 3 months ago
Online Interval Coloring with Packing Constraints
We study online interval coloring problems with bandwidth. We are interested in some variants motivated by bin packing problems. Specifically we consider open-end coloring, cardin...
Leah Epstein, Meital Levy
SIAMCOMP
1998
92views more  SIAMCOMP 1998»
14 years 9 months ago
Surface Approximation and Geometric Partitions
Motivated by applications in computer graphics, visualization, and scienti c computation, we study the computational complexity of the following problem: Given a set S of n points...
Pankaj K. Agarwal, Subhash Suri
63
Voted
COCO
2004
Springer
79views Algorithms» more  COCO 2004»
15 years 3 months ago
Relativized NP Search Problems and Propositional Proof Systems
An NP search problem is the problems of finding a witness to the given NP predicate, and TFNP is the class of total NP search problems. TFNP contains a number of subclasses conta...
Josh Buresh-Oppenheim, Tsuyoshi Morioka
66
Voted
IPPS
1999
IEEE
15 years 1 months ago
A Parallel Algorithm for Bound-Smoothing
Determining molecular structure from interatomic distances is an important and challenging problem. Given a molecule with n atoms, lower and upper bounds on interatomic distances ...
Kumar Rajan, Narsingh Deo
MFCS
2004
Springer
15 years 3 months ago
Complexity of Decision Problems for Simple Regular Expressions
We study the complexity of the inclusion, equivalence, and intersection problem for simple regular expressions arising in practical XML schemas. These basically consist of the conc...
Wim Martens, Frank Neven, Thomas Schwentick