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- Centre National de la Recherche ScientifiqueFR283 papers
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4 papers · 2 filters
Quantum Deformations of Space-Time Symmetries with Mass-Like Deformation Parameter
Jerzy Lukierski
The difficulties with the measurability of classical space-time distances are considered. We outline the framework of quantum deformations of D=4 space-time symmetries with dimensi…
Quantum Deformations of Space-Time Symmetries and Interactions
Jerzy Lukierski, Peter C. Stichel
We discuss quantum deformations of Lie algebra as described by the noncoassociative modification of its coalgebra structure. We consider for simplicity the quantum Galilei al…
A Class of Exact Solutions of the Wheeler -- De Witt Equation
Jerzy Kowalski-Glikman, Krzysztof A. Meissner
After carefully regularizing the Wheeler -- De Witt operator, which is the Hamiltonian operator of canonical quantum gravity, we find a class of exact solutions of the Wheeler -- D…
Lagrangian Models of the Particles with Spin: The First Seventy Years
A. Frydryszak
We briefly review models of relativistic particles with spin. Departing from the oldest attempts to describe the spin within the lagrangian framework we pass through various non su…