Two-parameters pseudo-bosons
Mathematical Physics
2015-05-20 v1 math.MP
Abstract
We construct a two-parameters example of {\em pseudo-bosons}, and we show that they are not regular, in the sense previously introduced by the author. In particular, we show that two biorthogonal bases of can be constructed, which are not Riesz bases, in general.
Cite
@article{arxiv.1010.0204,
title = {Two-parameters pseudo-bosons},
author = {Fabio Bagarello},
journal= {arXiv preprint arXiv:1010.0204},
year = {2015}
}
Comments
In press in International Journal of Theoretical Physics