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Revista mexicana de física
Print version ISSN 0035-001X
Abstract
ASTORGA-MORENO, J.A.; MENA-BARBOZA, E.A. and GARCIA-ASPEITIA, M.A.. Asymptotically equivalent functions and ultrafilters applied to noncommutative quantum cosmology. Rev. mex. fis. [online]. 2019, vol.65, n.5, pp.519-528. Epub Apr 23, 2020. ISSN 0035-001X. https://doi.org/10.31349/revmexfis.65.519.
Using the semi-classical approximation to the Wheeler-DeWitt equation obtained via Arnowitt-Deser-Misner (ADM) formalism in the Friedmann-Lemaȋtre-Robertson-Walker (FLRW) model coupled to a scalar field with positive cosmological constant in the Kantowski-Sachs (KS) Universe, we introduced a deformation on the commutation relation for the minisuperspace variables and find an explicit semiclassical expression equivalent, in an adequate limit, to the solution with the aid of asymptotically equal functions and the theory of Ultrafilters, offering a suggestive alternative to sketch the behavior of the dynamical system involved without the need to solve it numerically.
Keywords : Mathematical methods; asymptotically equivalent functions; ultrafilters; quantum cosmology; 02.30.Mv; 02.40.Pc.