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ALGORITHMICA
2002
101views more  ALGORITHMICA 2002»
13 years 9 months ago
Improved Algorithms for Constructing Fault-Tolerant Spanners
Let S be a set of n points in a metric space, and k a positive integer. Algorithms are given that construct k-fault-tolerant spanners for S. If in such a spanner at most k vertice...
Christos Levcopoulos, Giri Narasimhan, Michiel H. ...
ALGORITHMICA
2002
159views more  ALGORITHMICA 2002»
13 years 9 months ago
Algorithmic Aspects of Acyclic Edge Colorings
A proper coloring of the edges of a graph G is called acyclic if there is no 2-colored cycle in G. The acyclic edge chromatic number of G, denoted by a (G), is the least number of...
Noga Alon, Ayal Zaks
ALGORITHMICA
2000
65views more  ALGORITHMICA 2000»
13 years 9 months ago
A Simultaneous Search Problem
We introduce a new search problem motivated by computational metrology. The problem is as follows: we would like to locate two unknown numbers x, y [0, 1] with as little uncertain...
Ee-Chien Chang, Chee-Keng Yap
ALGORITHMICA
2000
85views more  ALGORITHMICA 2000»
13 years 9 months ago
An Algorithm for Enumerating All Spanning Trees of a Directed Graph
We present an O(NV +V 3) time algorithm for enumerating all spanning trees of a directed graph. This improves the previous best known bound of O(NE + V + E) [1] when V 2 = o(N), wh...
Sanjiv Kapoor, H. Ramesh
ALGORITHMICA
1998
75views more  ALGORITHMICA 1998»
13 years 9 months ago
Average Case Analyses of List Update Algorithms, with Applications to Data Compression
We study the performance of the Timestamp(0) (TS(0)) algorithm for self-organizing sequential search on discrete memoryless sources. We demonstrate that TS(0) is better than Move-...
Susanne Albers, Michael Mitzenmacher