### Abstract

Continuing the analysis undertaken in previous articles, we discuss some features of non-self-adjoint operators and sesquilinear forms which are defined starting from two biorthogonal families of vectors, like the so-called generalized Riesz systems, enjoying certain properties. In particular, we discuss what happens when they forms two D-quasi-bases.

Lingua originale | English |
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Numero di pagine | 13 |

Rivista | Journal of Mathematical Physics |

Volume | 59 |

Stato di pubblicazione | Published - 2018 |

### All Science Journal Classification (ASJC) codes

- Statistical and Nonlinear Physics
- Mathematical Physics

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## Cita questo

Trapani, C., Bagarello, F., Bagarello, & Inoue (2018). Biorthogonal vectors, sesquilinear forms, and some physical operators.

*Journal of Mathematical Physics*,*59*.