Some Gruss type inequalities for Frechet differentiable mappings

Teimouri Azadbakht, Amir Ghasem Ghazanfari

Let X be a Hilbert C^*-module on C^*-algebra A and p in A. We denote by Dp(A;X) the set of all continuous functions f on A, which are Frechet differentiable on a open neighborhood…