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On spaces Cb(X) weakly K-analytic

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985840%3A_____%2F17%3A00480815" target="_blank" >RIV/67985840:_____/17:00480815 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1002/mana.201600406" target="_blank" >http://dx.doi.org/10.1002/mana.201600406</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/mana.201600406" target="_blank" >10.1002/mana.201600406</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    On spaces Cb(X) weakly K-analytic

  • Original language description

    A subset Y of the dual closed unit ball BE* of a Banach space E is called a Rainwater set for E if every bounded sequence of E that converges pointwise on Y converges weakly in E. In this paper, topological properties of Rainwater sets for the Banach space Cb(X) of the real-valued continuous and bounded functions defined on a completely regular space X equipped with the supremum-norm are studied. This applies to characterize the weak K-analyticity of Cb(X) in terms of certain Rainwater sets for Cb(X). Particularly, we show that Cb(X) is weakly K-analytic if and only if there exists a Rainwater set Y for Cb(X) such that Cb(X),omegaY is both K-analytic and angelic, where omegaY denotes the topology on Cb(X) of the pointwise convergence on Y. For the case when X is compact, one gets classic Talagrand's theorem.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10101 - Pure mathematics

Result continuities

  • Project

    <a href="/en/project/GF16-34860L" target="_blank" >GF16-34860L: Logic and Topology in Banach spaces</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Mathematische Nachrichten

  • ISSN

    0025-584X

  • e-ISSN

  • Volume of the periodical

    290

  • Issue of the periodical within the volume

    16

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    7

  • Pages from-to

    2612-2618

  • UT code for WoS article

    000414334700011

  • EID of the result in the Scopus database

    2-s2.0-85019658233