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https://hdl.handle.net/2440/3530
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Type: | Journal article |
Title: | Spreads of T₂(o), α-flocks and ovals |
Other Titles: | Spreads of T(2)(O), alpha-flocks and ovals |
Author: | Brown, M. O'Keefe, C. Payne, S. Penttila, T. Royle, G. |
Citation: | Designs, Codes and Cryptography, 2004; 31(3):251-282 |
Publisher: | Kluwer Academic Publ |
Issue Date: | 2004 |
ISSN: | 0925-1022 1573-7586 |
Statement of Responsibility: | Matthew R. Brown, Christine M. O'Keefe, S. E. Payne, Tim Penttila, Gordon F. Royle |
Abstract: | We establish a representation of a spread of the generalized quadrangle T 2(script O sign), script O sign an oval of PG(2, q), q even, in terms of a certain family of q ovals of PG(2, q) and investigate the properties of this representation. Using this representation we show that to every flock of a translation oval cone in PG(3, q) (α-flock), q even, there corresponds a spread of T 2(script O sign) for an oval script O sign determined by the α-flock. This gives constructions of new spreads of T 2(script O sign), for certain ovals script O sign, and in some cases solves the existence problem for spreads. It also provides a geometrical characterization of the ovals associated with a flock of a quadratic cone. |
DOI: | 10.1023/B:DESI.0000015887.35146.14 |
Published version: | http://dx.doi.org/10.1023/b:desi.0000015887.35146.14 |
Appears in Collections: | Aurora harvest Pure Mathematics publications |
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