Monday, October 29, 2012

1210.7130 (Mauricio Mondragon)

Comment on "Dimension of the Moduli Space and Hamiltonian Analysis of BF
Field Theories"

Mauricio Mondragon
The purpose of this Comment is to point out that the results presented in the appendix of M. Mondragon and M. Montesinos, J. Math. Phys. 47, 022301 (2006) provides a generic method so as to deal with cases as those of Section 6 of R. Cartas-Fuentevilla, A. Escalante-Hern\'andez, and J. Berra-Montiel, Int. J. Mod. Phys. A 26, 3013 (2011). The results already reported are: the canonical analysis, the transformations generated by the constraints, and the analysis of the reducibility of the constraints for SO(3,1) and SO(4) four-dimensional BF theory coupled or not to a cosmological constant. But such results are generic and hold actually for any Lie algebra having a non-degenerate inner product invariant under the action of the gauge group.
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