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New Families of Semi-Regular Relative Difference Sets

โœ Scribed by James A. Davis; Jonathan Jedwab; Miranda Mowbray

Book ID
110260369
Publisher
Springer
Year
1998
Tongue
English
Weight
147 KB
Volume
13
Category
Article
ISSN
0925-1022

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๐Ÿ“œ SIMILAR VOLUMES

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gave two new constructions for semi-regular relative di!erence sets (RDSs). They asked if the two constructions could be uni"ed. In this paper, we show that the two constructions are closely related. In fact, the second construction should be viewed as an extension of the "rst. Furthermore, we gener

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โœ Yu Qing Chen ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 152 KB

## Abstract In this article, we introduce what we call twisted Kronecker products of cocycles of finite groups and show that the twisted Kronecker product of two cocycles is a Hadamard cocycle if and only if the two cocycles themselves are Hadamard cocycles. This enables us to generalize some known