Cosine families in GDP Quojection-Fréchet spaces

Authors

  • Rachid Ameziane Hassani Universit´e Sidi Mohamed Ben Abdellah
  • Aziz Blali Universit´e Sidi Mohamed Ben Abdellah
  • Abdelkhalek Elamrani Universit´e Sidi Mohamed Ben Abdellah
  • Khalil Moussaouja Universit´e Sidi Mohamed Ben Abdellah

DOI:

https://doi.org/10.5269/bspm.48149

Abstract

We prove that if the Quojection-Fréchet space $X$ is a Grothendieck space with the Dunford-Pettis property, then every $C_ {0}$-cosine family is necessarily uniformly continuous and therefore its infinitesimal generator is a continuous linear operator.

References

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Published

2022-01-30

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Research Articles