Many (22, 44, 14, 7, 4)- and (15, 42, 14, 5, 4)-balanced incomplete block designs (Q1365506)
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scientific article; zbMATH DE number 1057372
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Many (22, 44, 14, 7, 4)- and (15, 42, 14, 5, 4)-balanced incomplete block designs |
scientific article; zbMATH DE number 1057372 |
Statements
Many (22, 44, 14, 7, 4)- and (15, 42, 14, 5, 4)-balanced incomplete block designs (English)
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12 October 1997
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The authors determine the number of non-isomorphic \((22,44,14,7,4)\)-BIBDs whose automorphism group has order divisible by 7 or 11. From this they obtain results on the number of non-isomorphic \((15,42,14,5,4)\)-BIBDs.
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balanced incomplete block designs
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automorphism group
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0.85293466
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0.84085304
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0.8258345
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0.82206786
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0.8218005
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