$(p,\theta ,q,\eta )$-Nuclear Bloch maps

Authors

  • Y.S. Hamidou Laghouat University, 03000, Laghouat, Algeria
  • A. Bougoutaia Laghouat University, 03000, Laghouat, Algeria
  • A. Belacel Laghouat University, 03000, Laghouat, Algeria
https://doi.org/10.15330/cmp.17.2.386-405

Keywords:

summing operator, vector-valued Bloch map, compact Bloch map, Pietsch domination, Kwapień's factorization
Published online: 2025-07-22

Abstract

In this paper, new developments in the theory of ideals of Bloch maps are utilized to introduce and analyze the properties of $\left(p,\theta,q,\eta\right)$-nuclear Bloch maps from the open unit disk $\mathbb{D}$ to a complex Banach space $X,$ where $1\leq p,q<\infty $ and $0\leq \theta ,\eta<1$ satisfy $\left( 1-\theta \right) /p+\left( 1-\eta \right) /q=1$. The main emphasis is placed on defining these maps, establishing their Banach space properties, and investigating fundamental characteristics such as Pietsch domination, Bloch compactness and Möbius invariance. Finally, we conclude the paper by presenting a Bloch reasonable crossnorm and illustrating the isometric isomorphism between the defined space and its dual space.

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How to Cite
(1)
Hamidou, Y.; Bougoutaia, A.; Belacel, A. $(p,\theta ,q,\eta )$-Nuclear Bloch Maps. Carpathian Math. Publ. 2025, 17, 386-405.