We determine the number of nilpotent matrices of order $n$ over $\mathbb{F}_q$ that are self-adjoint for a given nondegenerate symmetric bilinear form, and in particular find the number of symmetric nilpotent matrices.
@article{10_37236_3810,
author = {Andries E. Brouwer and Rod Gow and John Sheekey},
title = {Counting symmetric nilpotent matrices},
journal = {The electronic journal of combinatorics},
year = {2014},
volume = {21},
number = {2},
doi = {10.37236/3810},
zbl = {1297.15020},
url = {http://geodesic.mathdoc.fr/articles/10.37236/3810/}
}
TY - JOUR
AU - Andries E. Brouwer
AU - Rod Gow
AU - John Sheekey
TI - Counting symmetric nilpotent matrices
JO - The electronic journal of combinatorics
PY - 2014
VL - 21
IS - 2
UR - http://geodesic.mathdoc.fr/articles/10.37236/3810/
DO - 10.37236/3810
ID - 10_37236_3810
ER -
%0 Journal Article
%A Andries E. Brouwer
%A Rod Gow
%A John Sheekey
%T Counting symmetric nilpotent matrices
%J The electronic journal of combinatorics
%D 2014
%V 21
%N 2
%U http://geodesic.mathdoc.fr/articles/10.37236/3810/
%R 10.37236/3810
%F 10_37236_3810
Andries E. Brouwer; Rod Gow; John Sheekey. Counting symmetric nilpotent matrices. The electronic journal of combinatorics, Tome 21 (2014) no. 2. doi: 10.37236/3810