Results 21 to 30 of about 2,446 (245)
Stability of an additive-quadratic-quartic functional equation
Demonstratio Mathematica, 2020 In this paper, we investigate the stability of an additive-quadratic-quartic functional ...
Kim Gwang Hui, Lee Yang-Hi
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A hyperstable collagen mimic [PDF]
Chemistry & Biology, 1999 Collagen is the most abundant protein in animals. Each polypeptide chain of collagen is composed of repeats of the sequence: Gly-X-Y, where X and Y are often L-proline (Pro) and 4(R)-hydroxy-L-proline (Hyp) residues, respectively. These chains are wound into tight triple helices of great stability. The hydroxyl group of Hyp residues contributes much to
Lynn E. Bretscher +3 more
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Representation and Stability of General Nonic Functional Equation
Mathematics, 2023 In this paper, we introduce a way of representing a given mapping as the sum of odd and even mappings. Then, using this representation, we investigate the stability of various forms of the following general nonic functional equation: ∑i=01010Ci(−1)10−if ...
Ick-Soon Chang, Yang-Hi Lee, Jaiok Roh
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Hyers–Ulam stability and hyperstability of a Jensen-type functional equation on 2-Banach spaces
Journal of Inequalities and Applications, 2022 The main aim of this paper is to establish the Hyers–Ulam stability and hyperstability of a Jensen-type quadratic mapping in 2-Banach spaces. That is, we prove the various types of Hyers–Ulam stability and hyperstability of the Jensen-type quadratic ...
Arumugam Ponmana Selvan, Abbas Najati
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Asymptotic stability of the Cauchy and Jensen functional equations [PDF]
, 2016 The aim of this note is to investigate the asymptotic stability behaviour of the Cauchy and Jensen functional equations. Our main results show that if these equations hold for large arguments with small error, then they are also valid everywhere with a ...
A. Bahyrycz +19 more
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Hyperstability of a functional equation [PDF]
Acta Mathematica Hungarica, 2009 9 ...
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Computation, 2023 This paper investigates the asymptotic hyperstability of a single-input–single-output closed-loop system whose controlled plant is time-invariant and possesses a strongly strictly positive real transfer function that is subject to internal and external ...
Manuel De la Sen
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Almost Multi-Cubic Mappings and a Fixed Point Application [PDF]
Sahand Communications in Mathematical Analysis, 2020 The aim of this paper is to introduce $n$-variables mappings which are cubic in each variable and to apply a fixed point theorem for the Hyers-Ulam stability of such mapping in non-Archimedean normed spaces.
Nasrin Ebrahimi Hoseinzadeh +2 more
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Some hyperstability results for a Cauchy-Jensen type functional equation in 2-Banach spaces
Proyecciones, 2020 Khaled Yahya Naif Sayar, Amal Bergam
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An implementation of rotor speed observer for sensorless induction motor drive in case of machine parameter uncertainty [PDF]
, 2018 The paper describes observers using model reference adaptive system for sensorless induction motor drive with the pulse width modulator and the direct torque control under the circumstances of incorrect information of induction motor parameters.
Brandštetter, Pavel +3 more
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