Effectiveness of the reinforcement learning approach in higher dimensions

Investigate whether the reinforcement learning framework based on the Saito functional remains effective for constructing free hyperplane arrangements in higher projective dimensions P^r with r ≥ 3.

Background

The authors outline how their semicontinuous Saito functional and alternating least squares optimization extend in principle to hyperplane arrangements in higher-dimensional projective spaces, where Saito’s criterion involves a larger multilinear determinant and higher computational complexity.

They note that while the combinatorial tests and functional extend conceptually, the practical viability of the reinforcement learning search in these larger spaces is uncertain, motivating an explicit open question about its effectiveness beyond the plane case.

References

Investigating whether the reinforcement learning approach remains effective in higher dimensions is an interesting open question.

A semicontinuous relaxation of Saito's criterion and freeness as angular minimization  (2604.02995 - Silva, 3 Apr 2026) in Section 5, Conclusion and future perspectives – Higher-dimensional arrangements paragraph