Maximal commutative subalgebras of matrix algebra with $i(m)=3$
Commun. Korean Math. Soc. 2002 Vol. 17, No. 3, 451-457 Printed September 1, 2002
Youngkwon Song Kwangwoon University
Abstract : Let $(R,m,k)$ be a maximal commutative $k$-subalgebra of $M_{n}(k)$ where the index of nilpotency $i(m)$ of $m$ is $3$. If the socle of $R$ is of special case, then we can construct some isomorphic maximal commutative subalgebras.
