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COMPULOG
1999
Springer
15 years 11 months ago
Dynamic Constraint Models for Planning and Scheduling Problems
Planning and scheduling attracts an unceasing attention of computer science community. However, despite of similar character of both tasks, in most current systems planning and sch...
Roman Barták
ESOP
2009
Springer
15 years 10 months ago
An Efficient Algorithm for Solving the Dyck-CFL Reachability Problem on Trees
The context-free language (CFL) reachability problem is well known and studied in computer science, as a fundamental problem underlying many important static analyses such as point...
Hao Yuan, Patrick Th. Eugster
FOCS
2004
IEEE
15 years 10 months ago
Hardness of Approximating the Shortest Vector Problem in Lattices
Let p > 1 be any fixed real. We show that assuming NP RP, there is no polynomial time algorithm that approximates the Shortest Vector Problem (SVP) in p norm within a constant ...
Subhash Khot
ECCV
2006
Springer
15 years 10 months ago
Trace Quotient Problems Revisited
The formulation of trace quotient is shared by many computer vision problems; however, it was conventionally approximated by an essentially different formulation of quotient trace,...
Shuicheng Yan, Xiaoou Tang
FOCS
2000
IEEE
15 years 10 months ago
Approximating the single source unsplittable min-cost flow problem
Abstract. In the single source unsplittable min-cost flow problem, commodities must be routed simultaneously from a common source vertex to certain destination vertices in a given ...
Martin Skutella