Author

S. Cebrián

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Preprint Sep 2026

Projective geometry of second-order supersymmetry

We show that anomaly-free second-order supersymmetry (SUSY) in quantum mechanics admits a projective-geometric formulation in terms of a projective connection and a vector field preserving it. Once the physical coordinate and energy origin are fixed, these data determine the partner Hamiltonians and supercharges; the f...

S. Cebrián, M. Plyushchay · 0 citations