Sums of squares in Macaulay2

Published in J. Software Algebra Geom., 2018

Recommended citation: Diego Cifuentes, Thomas Kahle, Pablo Parrilo (2020). "Sums of squares in Macaulay2." J. Software Algebra Geom. 10(1):17--24

The package SOS implements sums-of-squares (SOS) decompositions in Macaulay2. It is based on methods to rationalize SOS decompositions due to Parrilo and Peyrl. The package features a data type for SOS decompositions, support for external SDP solvers, and optimization over varieties.

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