On the existence of Hadamard difference sets in groups of order 400

DOI10.3934/AMC.2016025zbMath1348.05034OpenAlexW2511441760MaRDI QIDQ326336

Joško Mandić, Tanja Vučičić

Publication date: 12 October 2016

Published in: Advances in Mathematics of Communications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3934/amc.2016025

zbMATH Keywords

difference setblock designtransitive incidence structure

Mathematics Subject Classification ID

Combinatorial aspects of block designs (05B05) Combinatorial aspects of difference sets (number-theoretic, group-theoretic, etc.) (05B10)

Uses Software

• GAP
• Magma

Cites Work

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• Some REALLY beautiful Hadamard matrices
• Block-transitive \(t\)-designs. I: Point-imprimitive designs
• Variations on a scheme of McFarland for noncyclic difference sets
• Non-abelian Hadamard difference sets
• New difference sets in nonabelian groups of order 100

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