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New results on F-contractions in complete metric spaces
(MDPI (Basel, Switzerland), 2021-12-21)
The main purpose of this paper is to improve, generalize, unify, extend and enrich the recent results established by Dung and Hang (2015), Piri and Kumam (2014, 2016), and Singh et al. (2018). In our proofs, we only use ...
Two Interval Upper-Bound Q-Function Approximations with Applications
(Mathematics and computer sciences, 2022-10-10)
The Gaussian Q-function has considerable applications in numerous areas of science and engineering. However, the fact that a closed-form expression for this function does not exist encourages finding approximations or ...