Solution and stability of n− dimensional mixed Type additive and quadratic functional equation M Arunkumar, S Karthikeyan Far East Journal of Applied Mathematics 54 (1), 47-64, 2011 | 20 | 2011 |

Solution and Intuitionistic Fuzzy stability of n-dimensional quadratic functional equation: Direct and Fixed Point Methods M Arunkumar, S Karthikeyan Int. J. Adv. Math. Sci 2 (1), 21-33, 2014 | 16 | 2014 |

Stability of the generalized Arun-additive functional equation in Instutionistic fuzzy normed spaces M Arunkumar, G Ganapathy, S Murthy, S Karthikeyan International Journal Mathematical Sciences and Engineering Applications 4 …, 2010 | 16 | 2010 |

Solution and stability of a functional equation originating from n consecutive Terms of an arithmetic progression M Arunkumar, G Vijayanandhraj, S Karthikeyan Universal Journal of Mathematics and Mathematical Sciences 2 (2), 161-171, 2012 | 13 | 2012 |

Stability of a Leibniz type additive and quadratic functional equation in intuitionistic fuzzy normed spaces M Arunkumar, JM Rassias, S Karthikeyan Advances in theoretical and applied mathematics 11, 145-169, 2016 | 7 | 2016 |

Generalized Ulam-Hyers stability of -dimensional cubic functional equation in FNS and RNS: various methods M Arunkumar, S Karthikeyan, S Ramamoorthi Middle-East J. Sci. Res 24, 386-404, 2016 | 7 | 2016 |

Solution and Stability of n-dimensional Additive functional equation M Arunkumar, S Karthikeyan International Journal of Applied Mathematics 25 (2), 163-174, 2012 | 7 | 2012 |

Fuzzy Banach algebra stability of reciprocal quadratic functional equation via fixed point approach M Arunkumar, S Karthikeyan Int. J. Pure Appl. Math 119 (3), 31-39, 2018 | 6 | 2018 |

Stability of a quadratic functional equation originating from sum of the medians of a triangle in fuzzy ternary Banach algebras: Direct and fixed point methods JM Rassias, M Arunkumar, S Karthikeyan rn 55, 7, 2015 | 6 | 2015 |

Lagrange’s Quadratic Functional Equation Connected with Homomorphisms and Derivations on Lie C-algebras: Direct and Fixed Point Methods JM Rassias, M Arunkumar, S Karthikeyan Mat., S (1), 228-241, 2015 | 6 | 2015 |

Solution and stability of a reciprocal functional equation originating from n-consecutive terms of a harmonic progression: Direct and fixed point methods M Arunkumar, S Karthikeyan Int. J. of Information Science and Intelligent System 3 (1), 151-168, 2014 | 5 | 2014 |

Brahmagupta Quadratic Functional Equations Connected with Homomorphisms and Derivations on Non-Archimedean Algebras: Direct and Fixed Point Methods M Arunkumar, S Karthikeyan Proceedings of International Conference on Mathematical Sciences bublished …, 2014 | 4 | 2014 |

Stability of system of additive functional equations in various Banach spaces: Classical Hyers methods M Arunkumar, E Sathya, S Karthikeyan, G Ganapathy, T Namachivayam Malaya Journal of Matematik 6 (1), 91-112, 2018 | 3 | 2018 |

Solution and Stability of *n*-Dimensional Quadratic Functional EquationM Arunkumar, S Murthy, G Ganapathy International Conference on Mathematical Modelling and Scientific …, 2012 | 3 | 2012 |

A quartic functional equation originating from the sum of the medians of a triangle in fuzzy normed space S Vijayakumar, S Karthikeyan, JM Rassias, B Baskaran AIP Conference Proceedings 2282 (1), 020006, 2020 | 2 | 2020 |

Intuitionistic Random stability of a quadratic functional equation originating from the sum of the medians of a triangle M Arunkumar, S Karthikeyan Int. J. Diff. Equ 12, 55-70, 2017 | 2 | 2017 |

Stability of n-dimensional additive functional equation: direct and fixed point methods M Arunkumar, A Vijayakumar, S Karthikeyan, S Ramamoorthi Malaya J of mathematik, S (1), 179-191, 2015 | 2 | 2015 |

Generalized Hyers-Ulam stability of functional equation deriving from additive and quadratic functions in fuzzy Banach space via two different techniques, Malaya J A Bodaghi, M Arunkumar, S Karthikeyan, E Sathya Mate 6 (1), 242-260, 2018 | 1 | 2018 |

Stability of DGC’s Quadratic Functional Equation in Quasi-Banach Algebras: Direct and Fixed Point Methods JM Rassias, M Arunkumar, S Karthikeyan International Journal of Pure and Applied Mathematical Sciences 10 (1), 2017 | 1 | 2017 |

Ulam-Hyers Stability of Quadratic Reciprocal Functional Equation in Intuitionistic Random Normed spaces: Various Methods JM Rassias, M Arunkumar, S Karthikeyanc Mat 5 (2), 293-304, 2017 | 1 | 2017 |