Minimal Covers of the Klein Quadric
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J. Eisfeld; L. Storme; P. Sziklai
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Article
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2001
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Elsevier Science
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English
β 129 KB
A t-cover of a quadric Q is a set C of t-dimensional subspaces contained in Q such that every point of Q belongs to at least one element of C. We consider t-covers of the Klein quadric Q + (5, q). For t=2, we show that a 2-cover has at least q 2 +q elements, and we give an exact description of the e