### Abstract

We construct an example of the periodic evolution system governed by the time-dependent subdifferential operators admitting almost periodic orbits which are not quasiperiodic.

Original language | English |
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Pages (from-to) | 1827-1832 |

Number of pages | 6 |

Journal | Proceedings of the American Mathematical Society |

Volume | 123 |

Issue number | 6 |

DOIs | |

Publication status | Published - 1995 |

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### Keywords

- Almost periodic orbit
- Periodic system
- Subdifferential operator

### ASJC Scopus subject areas

- Mathematics(all)
- Applied Mathematics