Abstract
We present an algorithm for Mixed-Integer Nonlinear Programming (MINLP) problems in which the non-convexity in the objective and constraint functions is manifested as the sum of non-convex univariate functions. We employ a lower bounding convex MINLP relaxation obtained by approximating each non-convex function with a piecewise-convex underestimator that is repeatedly refined. The algorithm is implemented at the level of a modeling language. Favorable numerical results are presented.
AMS(MOS) subject classifications. 65K05, 90C11, 90C26, 90C30.
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D’Ambrosio, C., Lee, J., Wächter, A. (2012). An Algorithmic Framework for MINLP with Separable Non-Convexity. In: Lee, J., Leyffer, S. (eds) Mixed Integer Nonlinear Programming. The IMA Volumes in Mathematics and its Applications, vol 154. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1927-3_11
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DOI: https://doi.org/10.1007/978-1-4614-1927-3_11
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