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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao COMBINATORICAarrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
COMBINATORICA
Article . 1991 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 1991
Data sources: zbMATH Open
DBLP
Article . 1991
Data sources: DBLP
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The number oft-wise balanced designs

The number of \(t\)-wise balanced designs
Authors: Charles J. Colbourn; Dean G. Hoffman; Kevin T. Phelps; Vojtech Rödl; Peter Winkler 0001;

The number oft-wise balanced designs

Abstract

This paper provides asymptotically the number of \(t\)-wise balanced designs and the number of \(t\)-profiles. If these numbers are indicated by \(N_ t(n)\) and \(P_ t(n)\), respectively, then the authors show that \[ N_ t(n)=n^{[{n\choose t}/(t+1)](1+o(1))} \] and \[ \exp(c_ 1\sqrt n\log n)\leq P_ t(n)\leq\exp(c_ 2\sqrt n\log n) \] where \(o(1)\) is used to denote a quantity depending on a natural number \(n\), the value of which tends to zero as \(n\) tends to infinity.

Related Organizations
Keywords

non-isomorphic designs, \(t\)-wise balanced designs, triple systems, Triple systems, Combinatorial aspects of block designs, Other designs, configurations, block designs, quadruple systems

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Top 10%
Average
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