Title of article
Steiner triple systems of order 19 and 21 with subsystems of order 7 Original Research Article
Author/Authors
Petteri Kaski، نويسنده , , Patric R.J. ostergard، نويسنده , , Svetlana Topalova، نويسنده , , Rosen Zlatarski، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
10
From page
2732
To page
2741
Abstract
Steiner triple systems (STSs) with subsystems of order 7 are classified. For order 19, this classification is complete, but for order 21 it is restricted to Wilson-type systems, which contain three subsystems of order 7 on disjoint point sets. The classified STSs of order 21 are tested for resolvability; none of them is doubly resolvable.
Keywords
classification , Doubly resolvable design , Subsystem , Steiner triple system
Journal title
Discrete Mathematics
Serial Year
2008
Journal title
Discrete Mathematics
Record number
947371
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