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math-ph2026
Continuation of Hamiltonian dynamics from the plane to constant-curvature surfaces
Cristina Stoica
We investigate the deformation of symmetry on cotangent bundles from the Euclidean plane to two-dimensional constant-curvature surfaces and the continuation of local dynamics aspec…
math-ph2023
Block regularisation of the logarithm central problem
Archishman Saha, Cristina Stoica
The logarithm function is the gravitational potential in . We prove that the logarithm central force problem is block regularizable, that is, the (incomplete) flow ma…