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math.OA2001
One-sided ideals and approximate identities in operator algebras
David P. Blecher
A left ideal of any -algebra is an example of an operator algebra with a right contractive approximate identity (r.c.a.i.). Indeed left ideals in -algebras may be charact…
math.OA2001
The ideal envelope of an operator algebra
David P. Blecher, Masayoshi Kaneda
A left ideal of any C*-algebra is an example of an operator algebra with a right contractive approximate identity (r.c.a.i.). Conversely, we show here and in a `pre-quel' to this p…