Stability of $(\alpha ,\beta ,\gamma)$-derivations on Lie C$^{}$-algebra associated to a Pexiderized quadratic type functional equation
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In this article, we considered the stability of the following $(\alpha ,\beta ,\gamma)$-derivation $$\alpha D[x,y]=\beta [D(x),y]+\gamma [x,D(y)] $$ and homomorphisms associated to the quadratic type functional equation $$f(kx+y)+f(kx+\sigma (y))=2kg(x)+2g(y),\,\,\,\, x,y\in A,$$ where $\sigma $ is an involution of the Lie C$^{*}$-algebra $A$ and $k$ is a fixed positive integer. The Hyers-Ulam stability on unbounded domains is also studied. Applications of the results for the asymptotic behavior of the generalized quadratic functional equation are provided.
Abstract
In this article, we considered the stability of the following $(\alpha ,\beta ,\gamma)$-derivation $$\alpha D[x,y]=\beta [D(x),y]+\gamma [x,D(y)] $$ and homomorphisms associated to the quadratic type functional equation $$f(kx+y)+f(kx+\sigma (y))=2kg(x)+2g(y),\,\,\,\, x,y\in A,$$ where $\sigma $ is an involution of the Lie C$^{*}$-algebra $A$ and $k$ is a fixed positive integer. The Hyers-Ulam stability on unbounded domains is also studied. Applications of the results for the asymptotic behavior of the generalized quadratic functional equation are provided.
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