Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces
In this paper, we investigated the asymptotic stability behaviour of the Pexider–Cauchy functional equation in non-Archimedean spaces. We also showed that, under some conditions, if <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><...
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2021-09-01
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author | Hamid Gharib Mohammad B. Moghimi Abbas Najati Jae-Hyeong Bae |
author_facet | Hamid Gharib Mohammad B. Moghimi Abbas Najati Jae-Hyeong Bae |
author_sort | Hamid Gharib |
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description | In this paper, we investigated the asymptotic stability behaviour of the Pexider–Cauchy functional equation in non-Archimedean spaces. We also showed that, under some conditions, if <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>∥</mo><mi>f</mi><mo>(</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>)</mo><mo>−</mo><mi>g</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>−</mo><mi>h</mi><mo>(</mo><mi>y</mi><mo>)</mo><mo>∥</mo><mo>⩽</mo><mi>ε</mi></mrow></semantics></math></inline-formula>, then <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>f</mi><mo>,</mo><mi>g</mi></mrow></semantics></math></inline-formula> and <i>h</i> can be approximated by additive mapping in non-Archimedean normed spaces. Finally, we deal with a functional inequality and its asymptotic behaviour. |
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spelling | doaj.art-f95a972f449544e88d9b305df6d6be842023-11-22T14:04:44ZengMDPI AGMathematics2227-73902021-09-01918219710.3390/math9182197Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean SpacesHamid Gharib0Mohammad B. Moghimi1Abbas Najati2Jae-Hyeong Bae3Department of Mathematics, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil 56199-11367, IranDepartment of Mathematics, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil 56199-11367, IranDepartment of Mathematics, Faculty of Sciences, University of Mohaghegh Ardabili, Ardabil 56199-11367, IranHumanitas College, Kyung Hee University, Yongin 17104, KoreaIn this paper, we investigated the asymptotic stability behaviour of the Pexider–Cauchy functional equation in non-Archimedean spaces. We also showed that, under some conditions, if <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>∥</mo><mi>f</mi><mo>(</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>)</mo><mo>−</mo><mi>g</mi><mo>(</mo><mi>x</mi><mo>)</mo><mo>−</mo><mi>h</mi><mo>(</mo><mi>y</mi><mo>)</mo><mo>∥</mo><mo>⩽</mo><mi>ε</mi></mrow></semantics></math></inline-formula>, then <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>f</mi><mo>,</mo><mi>g</mi></mrow></semantics></math></inline-formula> and <i>h</i> can be approximated by additive mapping in non-Archimedean normed spaces. Finally, we deal with a functional inequality and its asymptotic behaviour.https://www.mdpi.com/2227-7390/9/18/2197non-Archimedean spacePexider–Cauchy equationasymptotic stability |
spellingShingle | Hamid Gharib Mohammad B. Moghimi Abbas Najati Jae-Hyeong Bae Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces Mathematics non-Archimedean space Pexider–Cauchy equation asymptotic stability |
title | Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces |
title_full | Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces |
title_fullStr | Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces |
title_full_unstemmed | Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces |
title_short | Asymptotic Stability of the Pexider–Cauchy Functional Equation in Non-Archimedean Spaces |
title_sort | asymptotic stability of the pexider cauchy functional equation in non archimedean spaces |
topic | non-Archimedean space Pexider–Cauchy equation asymptotic stability |
url | https://www.mdpi.com/2227-7390/9/18/2197 |
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