A canonical form for a system of quadratic functional equations
A characterization of continuous associative operations whose graphs are ruled surfaces.
A characterization of convolution and related operations.
A Characterization of Entropies of Degree a.
A characterization of some classes of functions F of the form F(x, y) = g(...f(x) + ßf(y) + ...) or F(x, y) = ...(h(x) + k(y)).
A class of hypertranscendental functions.
A class of hypertranscendental functions. (Short Communication).
A class of nowhere continuous solutions of Baxter's equation.
A consistency equation for three geometries.
A functional equation and its application to information theory
A functional equation arising from the Joukowski transformation
A functional equation arising in multi-agent statistical decision theory.
A functional equation connected with the sine addition theorem
A functional equation of Ih-Ching Hsu.
A Functional Equation with Differences
A Functional Inequality for Entire Functions Generalizing the Sine Functional Equation. (Short Communication).
A fundamental functional equation for vector lattices.
A Fundamental Functional Equation for Vector Lattices. (Short Communication).
A generalization of entropy equation: homogeneous entropies
A generalization of Hille's and Robinson's functional equations