When a (1,1)-tensor generates separation of variables of a certain metric

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Nijenhuis geometry

(2021) Alexey V. Bolsinov et al.   ADVANCES IN MATHEMATICS

A criterion for the existence of Killing vectors in 3D

(2018) Boris Kruglikov et al.   CLASSICAL AND QUANTUM GRAVITY

Open problems, questions and challenges in finite- dimensional integrable systems

(2018) Alexey Bolsinov et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Differential invariants for cubic integrals of geodesic flows on surfaces

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Invariant characterization of Liouville metrics and polynomial integrals

(2008) Boris Kruglikov   JOURNAL OF GEOMETRY AND PHYSICS