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» Undirected Single Source Shortest Path in Linear Time
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ACSC
2007
IEEE
15 years 6 months ago
Improved Shortest Path Algorithms For Nearly Acyclic Directed Graphs
This paper presents new algorithms for computing single source shortest paths (SSSPs) in a nearly acyclic directed graph G. The first part introduces higher-order decomposition. ...
Lin Tian, Tadao Takaoka
DCG
2010
289views more  DCG 2010»
14 years 11 months ago
Algorithms for Approximate Shortest Path Queries on Weighted Polyhedral Surfaces
We consider the well known geometric problem of determining shortest paths between pairs of points on a polyhedral surface P, where P consists of triangular faces with positive we...
Lyudmil Aleksandrov, Hristo Djidjev, Hua Guo, Anil...
BIRTHDAY
2009
Springer
15 years 6 months ago
Polynomial Precise Interval Analysis Revisited
We consider a class of arithmetic equations over the complete lattice of integers (extended with −∞ and ∞) and provide a polynomial time algorithm for computing least solutio...
Thomas Gawlitza, Jérôme Leroux, Jan R...
SODA
2008
ACM
127views Algorithms» more  SODA 2008»
15 years 1 months ago
Nondecreasing paths in a weighted graph or: how to optimally read a train schedule
A travel booking office has timetables giving arrival and departure times for all scheduled trains, including their origins and destinations. A customer presents a starting city a...
Virginia Vassilevska
ICCD
1995
IEEE
83views Hardware» more  ICCD 1995»
15 years 3 months ago
Concurrent timing optimization of latch-based digital systems
Many design techniques have been proposed to optimize the performance of a digital system implemented in a given technology. Each of these techniques can be advantageous in partic...
Hong-Yean Hsieh, Wentai Liu, Ralph K. Cavin III, C...