We investigate the general solution of the quadratic functional equation f(2x+y)+3f(2x−y)=4f(x−y)+12f(x), in the class of all functions between quasi-β-normed spaces, and then we prove the generalized Hyers-Ulam stability of the equation by using direct method and fixed point method
Abstract Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadrati...
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadratic func-ti...
Dedicated to Themistocles M. Rassias on the occasion of his sixtieth birthday Abstract. Using the fi...
Abstract. The Hyers-Ulam stability, the Hyers-Ulam-Rassias stability, and also the sta-bility in the...
Using the fixed point method, we prove the Hyers-Ulam stability of the following quadratic functiona...
Lee, An and Park introduced the quadratic functional equation f(2x+y) + f(2x-y) = 8f(x) + 2f(y) and ...
In this paper, we study to solve the Hyers − Ulam − Rassias stability of functional equation derivin...
We examine the generalized Hyers-Ulam stability of the following functional equation: 2fx+y+z+w+f-x-...
We achieve the general solution and the generalized Hyers-Ulam-Rassias and Ulam-Gavruta-Rassias stab...
Abstract. In this paper we establish the general solution of the functional equation which is closel...
Abstract Using the fixed-point method, we prove the generalized Hyers-Ulam stability of the function...
Abstract: We give the general solution of the functional equation f(2x − y) + f(2y − z) + f(2z − x) ...
In this paper, we use the fixed point method to investigate the Hyers Ulam-Rassias stability for the...
We establish the general solution of the functional equation f(nx + y) + f(nx - y) = n(2)f(x - y) + ...
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the generalized quadr...
Abstract Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadrati...
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadratic func-ti...
Dedicated to Themistocles M. Rassias on the occasion of his sixtieth birthday Abstract. Using the fi...
Abstract. The Hyers-Ulam stability, the Hyers-Ulam-Rassias stability, and also the sta-bility in the...
Using the fixed point method, we prove the Hyers-Ulam stability of the following quadratic functiona...
Lee, An and Park introduced the quadratic functional equation f(2x+y) + f(2x-y) = 8f(x) + 2f(y) and ...
In this paper, we study to solve the Hyers − Ulam − Rassias stability of functional equation derivin...
We examine the generalized Hyers-Ulam stability of the following functional equation: 2fx+y+z+w+f-x-...
We achieve the general solution and the generalized Hyers-Ulam-Rassias and Ulam-Gavruta-Rassias stab...
Abstract. In this paper we establish the general solution of the functional equation which is closel...
Abstract Using the fixed-point method, we prove the generalized Hyers-Ulam stability of the function...
Abstract: We give the general solution of the functional equation f(2x − y) + f(2y − z) + f(2z − x) ...
In this paper, we use the fixed point method to investigate the Hyers Ulam-Rassias stability for the...
We establish the general solution of the functional equation f(nx + y) + f(nx - y) = n(2)f(x - y) + ...
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the generalized quadr...
Abstract Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadrati...
Using the fixed point method, we prove the generalized Hyers-Ulam stability of the quadratic func-ti...
Dedicated to Themistocles M. Rassias on the occasion of his sixtieth birthday Abstract. Using the fi...