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» Undirected Single Source Shortest Path in Linear Time
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ACSC
2007
IEEE
14 years 3 days 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»
13 years 5 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
14 years 17 days 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»
13 years 7 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»
13 years 9 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...