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can anyone tell me when one algebra is said to beisomorphicto another algebra?.

I am interested in the (Clifford) algebras that are isomorphic to the quaternion-algebra.

I know that, for example, theeven subalgebraof [tex]\mathcal{C}l_{3,0}[/tex] is isomorphic to the quaternion algebra.

However I am interested in finding other isomorphic algebras, and for that I need a rigourous definition of"algebra isomorphism".

Thanks.

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# Algebra isomorphisms

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