### Abstract

We propose an alternative definition for pseudo-bosons. This simplifies the mathematicalstructure, minimizing the required assumptions. Some physical examples arediscussed, as well as some mathematical results related to the biorthogonal sets arisingout of our framework. We also briefly extend the results to the so-called nonlinearpseudo-bosons.

Original language | English |
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Pages (from-to) | 1-11 |

Number of pages | 11 |

Journal | Journal of Mathematical Physics |

Volume | 54 |

Publication status | Published - 2013 |

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### All Science Journal Classification (ASJC) codes

- Statistical and Nonlinear Physics
- Mathematical Physics