Our main tool is `Flagmatic’, an implementation of Razborov’s semi-definite method, which we are making publicly available. In a bid to make the power of Razborov’s method more widely accessible, we have tried to make Flagmatic as user-friendly as possible, hoping to remove thereby the major hurdle that needs to be cleared before using the semi-definite method. Finally, we spend some time reflecting on the limitations of our approach, and in particular on which problems we may be unable to solve. Our discussion of the `complexity barrier’ for the semi-definite method may be of general interest

Keywords for this software

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