Abstract:
We consider the automorphisms of formal matrix algebras over a given commutative ring. In some cases the automorphism group of these algebras is a semidirect product of certain subgroups whose structure is known.
Citation:
P. A. Krylov, T. D. Norbosambuev, “Automorphisms of formal matrix algebras”, Sibirsk. Mat. Zh., 59:5 (2018), 1116–1127; Siberian Math. J., 59:5 (2018), 885–893