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math-ph2019★ 3 cited
Casimir operators of centrally extended l-conformal Galilei algebra
Anton Galajinsky, Ivan Masterov
The full set of Casimir elements of the centrally extended l-conformal Galilei algebra is found in simple and tractable form.
math-ph2016
The odd-order Pais-Uhlenbeck oscillator
Ivan Masterov
We consider a Hamiltonian formulation of the (2n+1)-order generalization of the Pais-Uhlenbeck oscillator with distinct frequencies of oscillation. This system is invariant under t…