Comments on: Ideals and Positive Functionals: 3.1 Ideals in C*-Algebras
https://jpmccarthymaths.com/2011/02/21/ideals-and-positive-functionals-2-1-ideals-in-c-algebras/
Last year's maths is easy, this year's maths is hard and next year's maths is impossible.Wed, 10 Dec 2014 17:15:36 +0000
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By: J.P. McCarthy
https://jpmccarthymaths.com/2011/02/21/ideals-and-positive-functionals-2-1-ideals-in-c-algebras/#comment-3529
Wed, 10 Dec 2014 17:15:36 +0000http://jpmccarthymaths.wordpress.com/?p=771#comment-3529In reply to momumomu.

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By: momumomu
https://jpmccarthymaths.com/2011/02/21/ideals-and-positive-functionals-2-1-ideals-in-c-algebras/#comment-3480
Thu, 04 Dec 2014 02:00:01 +0000http://jpmccarthymaths.wordpress.com/?p=771#comment-3480if $(U_{n})$ is an approximate unit for a C^{∗}-algebra A. Is (U_{n})^2$ is an approximateunit for a C^{*}−algebra A? Thank in advance.
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