The elementary divisors of the incidence matrix of skew lines in $\mathrm {PG}(3,q)$

Authors:
Andries E. Brouwer, Joshua E. Ducey and Peter Sin

Journal:
Proc. Amer. Math. Soc. **140** (2012), 2561-2573

MSC (2010):
Primary 05B20; Secondary 20C33, 51E20

DOI:
https://doi.org/10.1090/S0002-9939-2011-11462-X

Published electronically:
December 21, 2011

MathSciNet review:
2910745

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Abstract | References | Similar Articles | Additional Information

Abstract: The elementary divisors of the incidence matrix of lines in $\operatorname {PG}(3,q)$ are computed, where two lines are incident if and only if they are skew.

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Additional Information

**Andries E. Brouwer**

Affiliation:
Department of Mathematics, Technische Universiteit Eindhoven, 5600MB Eindhoven, The Netherlands

Email:
aeb@cwi.nl

**Joshua E. Ducey**

Affiliation:
Department of Mathematics, University of Florida, Gainesville, Florida 32611β8105

Address at time of publication:
Department of Mathematics and Statistics, James Madison University, Harrisonburg, Virginia 22807

Email:
jducey21@ufl.edu, duceyje@jmu.edu

**Peter Sin**

Affiliation:
Department of Mathematics, University of Florida, Gainesville, Florida 32611β8105

Email:
sin@ufl.edu

Received by editor(s):
February 28, 2011

Published electronically:
December 21, 2011

Communicated by:
Pham Huu Tiep

Article copyright:
© Copyright 2011
American Mathematical Society

The copyright for this article reverts to public domain 28 years after publication.