Integer and combinatorial optimization
Integer and combinatorial optimization
Studies of the behavior of recursion for the pooling problem
ACM SIGMAP Bulletin
Approximating separable nonlinear functions via mixed zero-one programs
Operations Research Letters
Convex underestimation strategies for signomial functions
Optimization Methods & Software - GLOBAL OPTIMIZATION
Using nonlinear mixed integer optimization in printed circuit board assembly
AMERICAN-MATH'11/CEA'11 Proceedings of the 2011 American conference on applied mathematics and the 5th WSEAS international conference on Computer engineering and applications
An Efficient Global Approach for Posynomial Geometric Programming Problems
INFORMS Journal on Computing
A reformulation framework for global optimization
Journal of Global Optimization
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In this paper a new approach for the global solution of nonconvex MINLP (Mixed Integer NonLinear Programming) problems that contain signomial (generalized geometric) expressions is proposed and illustrated. By applying different variable transformation techniques and a discretization scheme a lower bounding convex MINLP problem can be derived. The convexified MINLP problem can be solved with standard methods. The key element in this approach is that all transformations are applied termwise. In this way all convex parts of the problem are left unaffected by the transformations. The method is illustrated by four example problems.