Asymptotically equivalent functions and ultrafilters applied to noncommutative quantum cosmology

JA Astorga-Moreno, EA Mena-Barboza… - Revista mexicana de …, 2019 - scielo.org.mx
Using the semi-classical approximation to the Wheeler-DeWitt equation obtained via
Arnowitt-Deser-Misner (ADM) formalism in the Friedmann-Lemaȋtre-Robertson-Walker …

On the noncommutative energy level in a two-dimensional anharmonic oscillator

G Farías, EA Mena-Barboza… - Revista mexicana de física, 2019 - scielo.org.mx
We study quantum properties of a two-dimensional anharmonic oscillator in the space-
space and momentum-momentum in noncommutative variables. This work shows explicitly …