Let K be a finite field of characteristic ≠ 2 and G the additive group of K × K. Let k1, k2 be integers not divisible by the characteristic p of K with(k1,
We give the definition of G-inner action of two semilattice graded weak Hopf algebras with the same semilattice Y, and the necessary and sufficient conditions f
For a monoid M, we introduce the concept of skew strongly M-reversible rings which is a generalization of strongly M-reversible rings, and investigate their pro