Regular norm and the operator semi-norm on a non-unital Banach Algebra
Orenstein, Adam
Original · EN
We show that if A is a commutative complex non-unital Banach Algebra with norm ·, then · is regular on A if and only if ·op is a norm on A⊕ C and A is a commutative complex Banach Algebra with respect to ·op.
English translation
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