books.google.co.uk - Discrete Convex Analysis is a novel paradigm for discrete optimization that combines the ideas in continuous optimization (convex analysis) and combinatorial optimization (matroid/submodular function theory) to establish a unified theoretical framework for nonlinear discrete optimization. The study of...http://books.google.co.uk/books/about/Discrete_Convex_Analysis.html?id=RjSEs-6dkMoC&q=equivalent&utm_source=gb-gplus-shareDiscrete Convex Analysis
