Ron Shaw
The lines of PG(4, 2) are the points on a quintic in PG(9,2)
Shaw, Ron; Gordon, Neil A
Abstract
Let V denote a 5-dimensional vector space over a field, and let (bij) denote the 10 independent components of a bivectorb?Λ2Vrelative to a choice of product basis {eiΛej: 1 ≤i<j≤ 5} forΛ2V. It is well known thatb(≠ 0) is decomposable (pure, simple) if and only if its componentsbijsatisfy a set of five quadratic conditions resulting from the Grassmann relations. In the case= GF(2) it is shown that these five quadratic conditions are equivalent to a single quintic condition. In projective language the 155 lines of PG(4, 2) are therefore seen to be (in 1-1 correspondence with) the 155 points on a certain quintic lying in PG(9, 2).
Citation
Shaw, R., & Gordon, N. A. (1994). The lines of PG(4, 2) are the points on a quintic in PG(9,2). Journal of Combinatorial Theory, Series A, 68(1), 226-231. https://doi.org/10.1016/0097-3165%2894%2990102-3
Journal Article Type | Article |
---|---|
Online Publication Date | Jul 14, 2004 |
Publication Date | 1994-10 |
Journal | Journal of Combinatorial Theory, Series A |
Print ISSN | 0097-3165 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 68 |
Issue | 1 |
Pages | 226-231 |
DOI | https://doi.org/10.1016/0097-3165%2894%2990102-3 |
Keywords | Theoretical Computer Science; Computational Theory and Mathematics; Discrete Mathematics and Combinatorics |
Public URL | https://hull-repository.worktribe.com/output/405480 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/0097316594901023?via%3Dihub#! |
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