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JACM
2000
119views more  JACM 2000»
15 years 6 months ago
A minimum spanning tree algorithm with Inverse-Ackermann type complexity
A deterministic algorithm for computing a minimum spanning tree of a connected graph is presented. Its running time is O(m (m, n)), where is the classical functional inverse of Ack...
Bernard Chazelle
COMBINATORICS
1998
80views more  COMBINATORICS 1998»
15 years 6 months ago
Increasing Subsequences and the Classical Groups
We show that the moments of the trace of a random unitary matrix have combinatorial interpretations in terms of longest increasing subsequences of permutations. To be precise, we s...
Eric M. Rains
JUCS
2002
81views more  JUCS 2002»
15 years 6 months ago
Rationally Additive Semirings
Abstract: We define rationally additive semirings that are a generalization of ()complete and (-)continuous semirings. We prove that every rationally additive semiring is an iterat...
Zoltán Ésik, Werner Kuich
TC
1998
15 years 6 months ago
Analysis of Checkpointing Schemes with Task Duplication
—This paper suggests a technique for analyzing the performance of checkpointing schemes with task duplication. We show how this technique can be used to derive the average execut...
Avi Ziv, Jehoshua Bruck
SIAMCOMP
2002
139views more  SIAMCOMP 2002»
15 years 6 months ago
Limit Laws for Sums of Functions of Subtrees of Random Binary Search Trees
We consider sums of functions of subtrees of a random binary search tree, and obtain general laws of large numbers and central limit theorems. These sums correspond to random recur...
Luc Devroye