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A generalization of the cosine-sine functional equation on groups |
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| Authors: | J.K. Chung Pl. Kannappan C.T. Ng |
| Affiliation: | Department of Mathematics South China Polytechnic Institute Canton, P.O.B. 51504, People''s Republic of China;Department of Pure Mathematics University of Waterloo Waterloo, Ontario, Canada N2L 3G1 |
| Abstract: | The functional equation f(xy)=f(x)g(y)+g(x)f(y)+h(x)h(y) is solved where f, g, h are complex functions defined on a group. |
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