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A second infinite family of Steiner triple systems without almost parallel classes.
- Source :
-
Journal of Combinatorial Theory - Series A . Sep2013, Vol. 120 Issue 7, p1851-1854. 4p. - Publication Year :
- 2013
-
Abstract
- Abstract: For each positive integer n, we construct a Steiner triple system of order with no almost parallel class; that is, with no set of disjoint triples. In fact, we construct families of -designs with an analogous property. The only previously known examples of Steiner triple systems of order congruent to without almost parallel classes were the projective triple systems of order with n odd, and 2 of the 11,084,874,829 Steiner triple systems of order 19. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00973165
- Volume :
- 120
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- Journal of Combinatorial Theory - Series A
- Publication Type :
- Academic Journal
- Accession number :
- 89975908
- Full Text :
- https://doi.org/10.1016/j.jcta.2013.07.002