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A note on I-ultrafilters and P-points

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F07%3A00501151" target="_blank" >RIV/49777513:23520/07:00501151 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    A note on I-ultrafilters and P-points

  • Original language description

    We consider the question whether P-points can be characterized as I-ultrafilters for I an ideal on natural numbers and show that (consistently) it is not possible if I is an F_sigma-ideal or a P-ideal.

  • Czech name

    Poznámka o I-ultrafiltrech a P-bodech

  • Czech description

    V článku je řešena otázka, zda lze P-bodycharakterizovat jako I-ultrafiltry pro nějaký ideál I na přirozených číslech. Ukazuje se, že to není možné, pokud I je F_sigma-ideál nebo P-ideál

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BA - General mathematics

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Acta Universitatis Carolinae. Mathematica et Physica

  • ISSN

    0001-7140

  • e-ISSN

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    6

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database