2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/162126Let k be an algebraically closed field of characteristic p \ge 0. We shall consider the problem of finding out a Jordan canonical form of J(α,s) \otimes_{k} J(β,t), where J(α,s) means the Jordan block with eigenvalue α\in k and size s.13 pages, 7 figures. Math. J. Okayama Univ. (to appear)Commutative AlgebraRepresentation Theory13A02, 13E10, 05E05text