We show that the set of all inner derivations of an ultraprime real Banach algebra is closed within all bounded derivations. More concretely, we show that for such an algebra A there exists a positive number (depending only on the "constant of ultraprimeness" of A) satisfying r// a+Z(A)//
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机译：我们表明，超素实Banach代数的所有内部派生集在所有有界派生中都是封闭的。更具体地说，我们证明对于这样的代数A，存在一个满足r // a + Z（A）//
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