ON FINITE DIMENSIONAL ALGEBRAS WHICH ARE SUMS OF TWO SUBALGEBRAS

Abstrakt

In this paper, we give a general method of the construction of a 3-dimensional associative algebra R over an arbitrary field F that is a sum of two subalgebras R-1 and R-2 (i.e. R = R-1 + R-2).

Klíčová slova

• Sum of rings
• sum of algebras