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» On Bounded Queries and Approximation
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ALMOB
2006
97views more  ALMOB 2006»
15 years 6 months ago
The approximability of the String Barcoding problem
The String Barcoding (SBC) problem, introduced by Rash and Gusfield (RECOMB, 2002), consists in finding a minimum set of substrings that can be used to distinguish between all mem...
Giuseppe Lancia, Romeo Rizzi
SIAMCOMP
1998
92views more  SIAMCOMP 1998»
15 years 6 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
MOR
2007
149views more  MOR 2007»
15 years 6 months ago
LP Rounding Approximation Algorithms for Stochastic Network Design
Real-world networks often need to be designed under uncertainty, with only partial information and predictions of demand available at the outset of the design process. The field ...
Anupam Gupta, R. Ravi, Amitabh Sinha
WINE
2010
Springer
178views Economy» more  WINE 2010»
15 years 4 months ago
Improved Hardness of Approximation for Stackelberg Shortest-Path Pricing
We consider the Stackelberg shortest-path pricing problem, which is defined as follows. Given a graph G with fixed-cost and pricable edges and two distinct vertices s and t, we may...
Patrick Briest, Parinya Chalermsook, Sanjeev Khann...
158
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CDC
2010
IEEE
15 years 1 months ago
Synthesis using approximately bisimilar abstractions: time-optimal control problems
s using Approximately Bisimilar Abstractions: Time-Optimal Control Problems Antoine Girard In this paper, we present a hierarchical approach to time-optimal control using approxima...
Antoine Girard