(81,16,3) Abelian difference sets do not exist (Q1104931)
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scientific article; zbMATH DE number 4057526
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | (81,16,3) Abelian difference sets do not exist |
scientific article; zbMATH DE number 4057526 |
Statements
(81,16,3) Abelian difference sets do not exist (English)
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1986
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Of the five Abelian groups of order 81, three are known not to contain a (81,16,3) difference set. We prove that the remaining two groups behave similarly. Consequently, two of the missing entries in Lander's table can be filled with a negative response.
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Abelian groups
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difference set
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