q-Clan Geometries in Characteristic 2 Ilaria Cardinali

ISBN: 9783764385071

Published: October 1st 2007

Paperback

166 pages


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q-Clan Geometries in Characteristic 2  by  Ilaria Cardinali

q-Clan Geometries in Characteristic 2 by Ilaria Cardinali
October 1st 2007 | Paperback | PDF, EPUB, FB2, DjVu, talking book, mp3, RTF | 166 pages | ISBN: 9783764385071 | 10.70 Mb

A q-clan with q a power of 2 is equivalent to a certain generalized quadrangle with a family of subquadrangles each associated with an oval in the Desarguesian plane of order 2. It is also equivalent to a flock of a quadratic cone, and hence to aMoreA q-clan with q a power of 2 is equivalent to a certain generalized quadrangle with a family of subquadrangles each associated with an oval in the Desarguesian plane of order 2.

It is also equivalent to a flock of a quadratic cone, and hence to a line-spread of 3-dimensional projective space and thus to a translation plane, and more. These geometric objects are tied together by the so-called Fundamental Theorem of q-Clan Geometry. The book gives a complete proof of this theorem, followed by a detailed study of the known examples. The collineation groups of the associated generalized quadrangles and the stabilizers of their associated ovals are worked out completely.



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