Abstract. We prove a related fixed point theorem for two mappings in two fuzzy metric spaces using an implicit relation which gives fuzzy versions of theorems of [1], [2] and [10].
In this paper, we consider a neutral mixed type difference equation, and obtain explicitly sufficient conditions for asymptotic behavior of solutions. A necessary condition is provided as well. An example is given to illustrate our main results.
Abstract. In this note we use the technic of quasi-central approximate units to give a new simple proof of Kasparov's technical theorem [5, §3. th. 4]. An extended version of the theorem to a finite number of C*-algebras is given and proved. In the end we show that the theorem has implications for the problem of lifting derivations.
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