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We introduce Kuelbs-Steadman-type spaces for real-valued functions, with respect to countably additive measures, taking values in Banach spaces. We investigate their main properties and embeddings in $L^p$-type spaces, considering both the…

Functional Analysis · Mathematics 2020-07-06 Antonio Boccuto , Bipan Hazarika , Hemanta Kalita

Henstock-type integrals are considered, for multifunctions taking values in the family of weakly compact and convex subsets of a Banach lattice $X$. The main tool to handle the multivalued case is a R{\aa}dstr\"om-type embedding theorem…

Functional Analysis · Mathematics 2015-10-20 Antonio Boccuto , Domenico Candeloro , Anna Rita Sambucini

We study Henstock-type integrals for functions defined in a Radon measure space and taking values in a Banach lattice $X$. Both the single-valued case and the multivalued one are considered (in the last case mainly $cwk(X)$-valued mappings…

Functional Analysis · Mathematics 2015-09-14 Antonio Boccuto , Domenico Candeloro , Anna Rita Sambucini

In this {\color{red}{paper}} we discuss about the $ap-$Henstock-Kurzweil integrable functions on a topological vector spaces. Basic results of $ap-$Henstock-Kurzweil integrable functions are discussed here. We discuss the equivalence of the…

Functional Analysis · Mathematics 2022-06-20 Hemanta Kalita , Bipan Hazarika

We introduce and investigate the Henstock-Kurzweil (HK) integral for Riesz-space-valued functions on time scales. Some basic properties of the HK delta integral for Riesz-space-valued functions are proved. Further, we prove uniform and…

Classical Analysis and ODEs · Mathematics 2017-05-15 Xuexiao You , Dafang Zhao , Delfim F. M. Torres

We study Henstock-type integrals for functions defined in a compact metric space $T$ endowed with a regular $\sigma$-additive measure $\mu$, and taking values in a Banach lattice $X$. In particular, the space $[0,1]$ with the usual Lebesgue…

Functional Analysis · Mathematics 2018-01-23 Domenico Candeloro , Anna Rita Sambucini

This paper is a survey of a new family of Banach spaces ${KS}^2$ and $SD^2$ that provide the same structure for the Henstock-Kurzweil (HK) integrable functions as the $L^p$ spaces provide for the Lebesgue integrable functions. These spaces…

Functional Analysis · Mathematics 2017-04-11 Tepper L Gill

We identify isometric isomorphisms of the space of Kurzweil-Henstock integrable functions as bi-absolutely-continuous changes of variable.

Functional Analysis · Mathematics 2025-05-12 Thierry De Pauw

In this article we have studied bicomplex valued measurable functions on an arbitrary measurable space. We have established the bicomplex version of Lebesgue's dominated convergence theorem and some other results related to this theorem.…

Functional Analysis · Mathematics 2022-07-19 Chinmay Ghosh , Soumen Mondal

This paper explores some important aspects of the theory of rearrangement-invariant quasi-Banach function spaces. We focus on two main topics. Firstly, we prove an analogue of the Luxemburg representation theorem for rearrangement-invariant…

Functional Analysis · Mathematics 2025-10-15 Anna Musilová , Aleš Nekvinda , Dalimil Peša , Hana Turčinová

Countable projective limits of countable inductive limits, called PLB-spaces, of weighted Banach spaces of continuous functions have recently been investigated by Agethen, Bierstedt and Bonet. We extend their investigation to the case of…

Functional Analysis · Mathematics 2014-06-27 Sven-Ake Wegner

In this paper, we present some implicit function theorems for set-valued mappings between Fr\'echet spaces. The proof relies on Lebesgue's Dominated Convergence Theorem and on Ekeland's variational principle. An application to the existence…

Classical Analysis and ODEs · Mathematics 2017-02-23 Van Ngai Huynh , Michel Théra

Under certain hypotheses on the Banach space $X$, we prove that the set of analytic functions in $\mathcal{A}_u(X)$ (the algebra of all holomorphic and uniformly continuous functions in the ball of $X$) whose Aron-Berner extensions attain…

Functional Analysis · Mathematics 2015-04-07 Daniel Carando , Martin Mazzitelli

The purpose of this paper is to construct a new class of separable Banach spaces $\K^p[\mathbb{B}], \; 1\leq p \leq \infty$. Each of these spaces contain the $ \mcL^p[\mathbb{B}] $ spaces, as well as the space $\mfM[\R^\iy]$, of finitely…

Functional Analysis · Mathematics 2020-07-24 Hemanta Kalita , Bipan Hazarika , Timothy Myers

This paper deals with functions that defined in metric spaces and valued in complete paranormed vector spaces or valued in Banach spaces, and obtains some necessary and sufficient conditions for weak convergence of finite measures.

Probability · Mathematics 2024-05-03 Renying Zeng

We describe the proper closed invariant subspaces of the integration operator when it acts continuously on countable intersections and countable unions of weighted Banach spaces of holomorphic functions on the unit disc or the complex…

Functional Analysis · Mathematics 2020-04-07 José Bonet , Antonio Galbis

A multivalued integral in Riesz spaces is given using the Kurzweil-Henstock integral construction. Some of its properties and a comparison with the Aumann approach are also investigated.

Functional Analysis · Mathematics 2015-10-15 Antonio Boccuto , Anna Maria Minotti , Anna Rita Sambucini

We introduce the notions of L(H)-valued norms and Banach spaces with respect to L(H)-valued norms. In particular, we introduce Hilbert spaces with respect to L(H)-valued inner products. In addition, we provide several fundamental examples…

Functional Analysis · Mathematics 2008-03-04 Yun-Su Kim

We explore the convergence of Kergin interpolation polynomials of holomorphic functions in Banach spaces, which need not be of bounded type. We also investigate a case where the Kergin series diverges.

Complex Variables · Mathematics 2008-10-02 Scott Simon

Henstock-type integrals are considered, for functions defined in a Radon measure space and taking values in a Banach lattice X considering the norm and the order structure of the space. A number of results are obtained, highlighting the…

Functional Analysis · Mathematics 2015-11-17 Domenico Candeloro , Anna Rita Sambucini
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