Convexity of Products of Univariate Functions and Convexification Transformations for Geometric Programming

We investigate the characteristics that have to be possessed by a functional mapping f :ℝ ↦ ℝ so that it is suitable to be employed in a variable transformation of the type x → f ( y ) in the convexification of posynomials. We study first the bilinear product of univariate functions f 1 ( y 1 ), f 2...

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