ABSTRACT
Let H be a normal subgroup of G. Then the group algebra can be naturally graded by
where the homogeneous components are cosets. We prove that if A satisfies a
-graded identity than it also satisfies an ordinary polynomial identity under the assumption that
is finite.
ACKNOWLEDGMENT
Research supported by NSERC grant A-5300 and RFBR grants 99-01-00233 and 00-15-96128