Nonlinear approximation of multiplicative inverse quartic functional equation in intuitionistic fuzzy normed spaces

2021 ◽  
pp. 1-18 ◽  
Author(s):  
Eena Gupta ◽  
Renu Chugh
Keyword(s):  
Functional Equation ◽  
Nonlinear Approximation ◽  
Normed Spaces ◽  
Multiplicative Inverse ◽  
Intuitionistic Fuzzy ◽  
Quartic Functional Equation ◽  
Intuitionistic Fuzzy Normed Spaces

scholarly journals An additive-quadratic functional equation in intuitionistic fuzzy normed spaces

10.26524/cm83 ◽  
2020 ◽  
Vol 4 (2) ◽  
Author(s):  
Soundararajan S ◽  
Suresh Kumar M ◽  
Sudhakar R
Keyword(s):  
Functional Equation ◽  
Quadratic Functional Equation ◽  
Quadratic Functional ◽  
Normed Spaces ◽  
Intuitionistic Fuzzy ◽  
The Stability ◽  
Intuitionistic Fuzzy Normed Spaces

In this work, we investigate the stability of additive-quadratic (AQ) functional equation in intuitionistic fuzzy normed spaces

scholarly journals Ulam Stabilities and Instabilities of Euler–Lagrange-Rassias Quadratic Functional Equation in Non-Archimedean IFN spaces

Mathematics ◽  
2021 ◽  
Vol 9 (23) ◽  
pp. 3063
Author(s):  
Kandhasamy Tamilvanan ◽  
Abdulaziz Mohammed Alanazi ◽  
John Michael Rassias ◽  
Ali H. Alkhaldi
Keyword(s):  
Functional Equation ◽  
Fixed Point ◽  
Quadratic Functional Equation ◽  
Quadratic Functional ◽  
Quadratic Mapping ◽  
Normed Spaces ◽  
Intuitionistic Fuzzy ◽  
Fixed Point Techniques ◽  
Intuitionistic Fuzzy Normed Spaces ◽  
Stability Results

In this paper, we use direct and fixed-point techniques to examine the generalised Ulam–Hyers stability results of the general Euler–Lagrange quadratic mapping in non-Archimedean IFN spaces (briefly, non-Archimedean Intuitionistic Fuzzy Normed spaces) over a field.

scholarly journals Intuitionistic Fuzzy Stability of Functional Equations Associated with Inner Product Spaces

2011 ◽  
Vol 2011 ◽  
pp. 1-19 ◽  
Author(s):  
Zhihua Wang ◽  
Themistocles M. Rassias
Keyword(s):  
Functional Equation ◽  
Functional Equations ◽  
Inner Product ◽  
Product Spaces ◽  
Normed Spaces ◽  
Inner Product Spaces ◽  
Intuitionistic Fuzzy ◽  
Stability Of Functional Equations ◽  
Intuitionistic Fuzzy Normed Spaces ◽  
Stability Results

In intuitionistic fuzzy normed spaces, we investigate some stability results for the functional equation which is said to be a functional equation associated with inner products space.

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