Definition 11.2.1. Let A be a k-algebra. We say A is finite if \dim _ k(A) < \infty . In this case we write [A : k] = \dim _ k(A).
Definition 11.2.1. Let A be a k-algebra. We say A is finite if \dim _ k(A) < \infty . In this case we write [A : k] = \dim _ k(A).
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