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STOC
1992
ACM
100views Algorithms» more  STOC 1992»
14 years 1 months ago
Biased Random Walks
How much can an imperfect source of randomness affect an algorithm? We examine several simple questions of this type concerning the long-term behavior of a random walk on a finite...
Yossi Azar, Andrei Z. Broder, Anna R. Karlin, Nath...
STOC
1992
ACM
122views Algorithms» more  STOC 1992»
14 years 1 months ago
Existence and Construction of Edge Disjoint Paths on Expander Graphs
Given an expander graph G = (V, E) and a set of q disjoint pairs of vertices in V , we are interested in finding for each pair (ai, bi), a path connecting ai to bi, such that the ...
Andrei Z. Broder, Alan M. Frieze, Eli Upfal
STOC
2000
ACM
156views Algorithms» more  STOC 2000»
14 years 2 months ago
Near optimal multiple alignment within a band in polynomial time
Multiple sequence alignment is a fundamental problem in computational biology. Because of its notorious difficulties, aligning sequences within a constant band (c-diagonal) is a ...
Ming Li, Bin Ma, Lusheng Wang
STOC
1989
ACM
117views Algorithms» more  STOC 1989»
14 years 1 months ago
On the Theory of Average Case Complexity
This paper takes the next step in developing the theory of average case complexity initiated by Leonid A Levin. Previous works Levin 84, Gurevich 87, Venkatesan and Levin 88] have...
Shai Ben-David, Benny Chor, Oded Goldreich, Michae...