Convex Functions

نویسنده

  • E. F. BECKENBACH
چکیده

(1) /(*i)+ƒ(**) = / ( * i + * 2 ) for all real Xi and x^ I think you would enjoy reading Cauchy's elegant treatment of this simple problem. But possibly you would enjoy more solving it yourself, or seeing to what considerations you are led if you omit the hypothesis of continuity. The discontinuous solutions of (1) have been studied extensively. I have mentioned this equation because any solution of it satisfies

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تاریخ انتشار 2007