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GC
2008
Springer
14 years 11 months ago
Almost Given Length Cycles in Digraphs
For a directed graph G without loops or parallel edges, let (G) denote the size of the smallest feedback arc set, i.e., the smallest subset X E(G) such that G \ X has no directed...
Raphael Yuster
CP
2010
Springer
14 years 10 months ago
Load Balancing and Almost Symmetries for RAMBO Quorum Hosting
Abstract. Rambo is the Reconfigurable Atomic Memory for Basic Objects, a formally specified algorithm that implements atomic read/write shared memory in dynamic networks, where t...
Laurent Michel, Alexander A. Shvartsman, Elaine L....
FSTTCS
2007
Springer
15 years 6 months ago
Strong Reductions and Isomorphism of Complete Sets
We study the structure of the polynomial-time complete sets for NP and PSPACE under strong nondeterministic polynomial-time reductions (SNP-reductions). We show the following resu...
Ryan C. Harkins, John M. Hitchcock, Aduri Pavan
COMBINATORICS
2000
91views more  COMBINATORICS 2000»
14 years 11 months ago
A Construction Method for Complete Sets of Mutually Orthogonal Frequency Squares
A construction is described for combining affine designs with complete sets of mutually orthogonal frequency squares to produce other complete sets. Key words: Matrices, orthogona...
Vassili C. Mavron
FFA
2011
90views more  FFA 2011»
14 years 6 months ago
Finite group algebras of nilpotent groups: A complete set of orthogonal primitive idempotents
We provide an explicit construction for a complete set of orthogonal primitive idempotents of finite group algebras over nilpotent groups. Furthermore, we give a complete set of ...
Inneke Van Gelder, Gabriela Olteanu