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Affine images of compact convex sets and maximal measures

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F09%3A00207365" target="_blank" >RIV/00216208:11320/09:00207365 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Affine images of compact convex sets and maximal measures

  • Original language description

    Let $phi:Xto Y$ be an affine continuous mapping of a compact convex set X onto a compact convex set Y. We show that the induced mapping $phi#$ need not map maximal measures on X to maximal measures on Y even in case $phi$ maps extreme points of X toextreme points of Y. This disproves Théoréme 6 of [S. Teleman, Sur les mesures maximales, C. R. Acad. Sci. Paris Sér. I Math. 318 (6) (1994) 525-528]. We prove the statement of Théoréme 6 under an additional assumption that extY is Lindelöf or Y is a simplex. We also show that under either of these two conditions injectivity of $phi$ on extX implies injectivity of $phi#$ on maximal measures. A couple of examples illustrate the results.

  • Czech name

  • Czech description

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

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Bulletin des Sciences Mathematiques

  • ISSN

    0007-4497

  • e-ISSN

  • Volume of the periodical

    133

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    FR - FRANCE

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

    000268955000006

  • EID of the result in the Scopus database