On the uniqueness of (q + 1)4-arcs of PG
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L.R.A Casse; D.G Glynn
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Article
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1984
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Elsevier Science
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English
β 579 KB
Two results are proved: (1) In PG(3, q), q=2 h, h>~3, every q3-arc can be uniquely completed to a (q + 1)3-arc. (2) In PG(4, q), q = 2", h ~> 3, every (q + 1)4-arc is a normal rational curve. ## 1. In~oduction We assume throughout this paper that the base field GF(q) is of order q = 2 h, where h i