An invariant of $2\times 2$ matrices.

@article{Cisneros2005,
author = {Cisneros-Molina, José Luis},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
keywords = {matrix invariants; power of a matrix; trace; symmetric power of a matrix},
language = {eng},
pages = {146-152},
publisher = {ILAS - The International Linear Algebra Society c/o Daniel Hershkowitz, Department of Mathematics, Technion - Israel Institute of Techonolgy},
title = {An invariant of matrices.},
url = {http://eudml.org/doc/126869},
volume = {13},
year = {2005},
}

TY - JOUR
AU - Cisneros-Molina, José Luis
TI - An invariant of matrices.
JO - ELA. The Electronic Journal of Linear Algebra [electronic only]
PY - 2005
PB - ILAS - The International Linear Algebra Society c/o Daniel Hershkowitz, Department of Mathematics, Technion - Israel Institute of Techonolgy
VL - 13
SP - 146
EP - 152
LA - eng
KW - matrix invariants; power of a matrix; trace; symmetric power of a matrix
UR - http://eudml.org/doc/126869
ER -