Disjoint difference families from Galois rings
The electronic journal of combinatorics, Tome 24 (2017) no. 3
In this paper, we give new constructions of disjoint difference families from Galois rings. The constructions are based on choosing cosets of the unit group of a subring in the Galois ring $\mathrm{GR}(p^2,p^{2s})$. Two infinite families of disjoint difference families are obtained from the Galois rings $\mathrm{GR}(p^{2},p^{4n})$ and $\mathrm{GR}(2^2,2^{2s})$.
DOI :
10.37236/6006
Classification :
12E20, 05B10
Mots-clés : disjoint difference family, difference set, Galois ring
Mots-clés : disjoint difference family, difference set, Galois ring
Affiliations des auteurs :
Koji Momihara  1
@article{10_37236_6006,
author = {Koji Momihara},
title = {Disjoint difference families from {Galois} rings},
journal = {The electronic journal of combinatorics},
year = {2017},
volume = {24},
number = {3},
doi = {10.37236/6006},
zbl = {1423.12002},
url = {http://geodesic.mathdoc.fr/articles/10.37236/6006/}
}
Koji Momihara. Disjoint difference families from Galois rings. The electronic journal of combinatorics, Tome 24 (2017) no. 3. doi: 10.37236/6006
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