Maximal arc partitions of designs

نویسندگان

  • A. N. Al-Kenani
  • Vassili C. Mavron
چکیده

It is known that the designs PGn−1(n, q) in some cases have spreads of maximal -arcs. Here a -arc is a non-empty subset of points that meets every hyperplane in 0 or points. The situation for designs in general is not so well known. This paper establishes an equivalence between the existence of a spread of -arcs in the complement of a Hadamard design and the existence of an affine design and a symmetric design which is also the complement of a Hadamard design. © 2005 Elsevier B.V. All rights reserved. MSC: 51E05

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عنوان ژورنال:
  • Discrete Mathematics

دوره 294  شماره 

صفحات  -

تاریخ انتشار 2005