Pan Shaoze

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Questions related from Pan Shaoze

Which Banach algebras A have properties A≠[A, A] and A equals the norm closure of [A, A]?

Let A be an infinite dimensional unital simple Banach algebra. Let [A, A] denote the linear span of commutators in A, where a commutator in A is an element of the form xy−yx, x,y∈A. We say A has...

09 April 2023 9,726 0 View

Question：What is the structure of Idempotent matrixs?

whether there exist the clear structure for the idempotent matrixs in m*m matrix algebra.

07 April 2020 8,735 0 View