33 citations · 55 across the 11 of their papers we have counts for
8 papers · 1 filter
Remarks on "Note about Hamiltonian formalism of healthy extended Hořava-Lifshitz gravity" by J. Klusoň
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
We reassess the conclusion by Klusoň (J. High Energy Phys. 1007 (2010) 038) that the Hamiltonian formulation of the healthy extended Hořava-Lifshitz gravity does not present any pr…
Comment on "Gauge Symmetries and Dirac Conjecture" by Y.-L. Wang, Z.-P. Li, K. Wang and some other counterexamples to the Dirac conjecture
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
We argue that the conclusion about the invalidity of the Dirac conjecture, made in the paper by Wang, Li, and Wang (Int. J. Theor. Phys. 48 1894, 2009), was based upon a flawed ana…
Field-parametrization dependence of Dirac's method for constrained Hamiltonians with first-class constraints: failure or triumph? Non-covariant models
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
We argue that the field-parametrization dependence of Dirac's procedure, for Hamiltonians with first-class constraints not only preserves covariance in covariant theories, but in n…
Comment on "Arnowitt--Deser--Misner representation and Hamiltonian analysis of covariant renormalizable gravity" by M. Chaichian, M. Oksanen, A. Tureanu
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
The partial Hamiltonian analysis of the actions presented in the paper by M. Chaichian, M. Oksanen, A. Tureanu (Eur. Phys. J. C 71, 1657 (2011)) is incorrect; the true algebra of c…
Lagrangian symmetries of the ADM action. Do we need a solution to the "non-canonicity puzzle"?
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
We argue that there is nothing puzzling in the fact that the Hamiltonian formulation of a covariant theory, General Relativity, after a non-covariant change of field variables is n…
Comment on `Hamiltonian formulation for the theory of gravity and canonical transformations in extended phase space' by T P Shestakova
N. Kiriushcheva, P. G. Komorowski, S. V. Kuzmin
We argue that the conclusion, `we cannot consider the Dirac approach as fundamental and undoubted', made in the paper by Shestakova (Class. Quantum Grav. 28 055009, 2011), is based…