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DM
2010
114views more  DM 2010»
10 years 12 months ago
Remarks on a generalization of the Davenport constant
A generalization of the Davenport constant is investigated. For a finite abelian group G and a positive integer k, let Dk(G) denote the smallest such that each sequence over G of l...
Michael Freeze, Wolfgang A. Schmid
ICALP
2007
Springer
11 years 3 months ago
Affine Systems of Equations and Counting Infinitary Logic
We study the definability of constraint satisfaction problems (CSP) in various fixed-point and infinitary logics. We show that testing the solvability of systems of equations over...
Albert Atserias, Andrei A. Bulatov, Anuj Dawar
DCC
2008
IEEE
11 years 11 months ago
Sequences in abelian groups G of odd order without zero-sum subsequences of length exp ( G )
We present a new construction for sequences in the finite abelian group Cr n without zero-sum subsequences of length n, for odd n. This construction improves the maximal known car...
Yves Edel
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