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Bruck nets and partial sherk planes
File | Description | Size | Format | |
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AAM_bruck_nets_partial_sherk_planes.pdf | Accepted version | 105.75 kB | Adobe PDF | View/Open |
Title: | Bruck nets and partial sherk planes |
Authors: | Bamberg, J Fawcett, JB Lansdown, J |
Item Type: | Journal Article |
Abstract: | In Bachmann [Aufbau der Geometrie aus dem Spiegelungsbegriff, Die Grundlehren der mathematischen Wissenschaften, Bd. XCVI (Springer, Berlin-Göttingen-Heidelberg, 1959)], it was shown that a finite metric plane is a Desarguesian affine plane of odd order equipped with a perpendicularity relation on lines and that the converse is also true. Sherk ['Finite incidence structures with orthogonality', Canad. J. Math. 19 (1967), 1078-1083] generalised this result to characterise the finite affine planes of odd order by removing the 'three reflections axioms' from a metric plane. We show that one can obtain a larger class of natural finite geometries, the so-called Bruck nets of even degree, by weakening Sherk's axioms to allow noncollinear points. |
Issue Date: | 1-Feb-2018 |
Date of Acceptance: | 2-Feb-2017 |
URI: | http://hdl.handle.net/10044/1/64357 |
DOI: | https://dx.doi.org/10.1017/S144678871700009X |
ISSN: | 1446-7887 |
Publisher: | Cambridge University Press (CUP) |
Start Page: | 1 |
End Page: | 12 |
Journal / Book Title: | Journal of the Australian Mathematical Society |
Volume: | 104 |
Issue: | 1 |
Copyright Statement: | © 2017 Australian Mathematical Publishing Association Inc. This paper has been accepted for publication and will appear in a revised form, subsequent to peer-review and/or editorial input by Cambridge University Press. |
Keywords: | 0101 Pure Mathematics General Mathematics |
Publication Status: | Published |
Appears in Collections: | Pure Mathematics Faculty of Natural Sciences Mathematics |