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arXiv:1103.0062 [math.CO]AbstractReferencesReviewsResources

The Elementary Divisors of the Incidence Matrix of Skew Lines in PG(3,q)

Andries E. Brouwer, Joshua E. Ducey, Peter Sin

Published 2011-03-01, updated 2011-10-06Version 2

The elementary divisors of the incidence matrix of lines in PG(3,q) are computed, where two lines are incident if and only if they are skew.

Comments: 13 pages. The results of this paper supersede those in the paper arXiv:math/1001.2551 V2. Minor corrections
Categories: math.CO, math.GR
Subjects: 05B20, 05E30, 20C33, 51E20
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