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Adhesivity of polymatroids

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985556%3A_____%2F07%3A00098117" target="_blank" >RIV/67985556:_____/07:00098117 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Adhesivity of polymatroids

  • Original language description

    Two polymatroids are adhesive if a polymatroid extends both in such a way that two ground sets become a modular pair. Motivated by entropy functions, the class of polymatroids with adhesive restrictions and a class of selfadhesive polymatroids are introduced and studied. Adhesivity is described by polyhedral cones of rank functions and defining inequalities of the cones are identified, among them known and new non-Shannon type information inequalities for entropy functions. The selfadhesive polymatroidson a four-element set are characterized by Zhang-Yeung inequalities.

  • Czech name

    Adhesivita polymatroidov

  • Czech description

    Dva polymatroidy jsou adhesivní, když je nějaký polymtroid rozšiřuje tak, že nosiče jsou v něm modulárním párem. Byly zavedeny a studovány třídy polymatroidů s adhesivními restrikcemi a samoadhesivních polymatroidů. Adhesivita byla popsána pomocí polyhedrálních kuželů. Samoadhesivní polymatroidy na čtyřprvkové množině byly popsány pomocí Zhang-Yeungových nerovností.

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

    <a href="/en/project/IAA100750603" target="_blank" >IAA100750603: Information geomerty of multidimensional models in statistics and artificial intelligence.</a><br>

  • 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

    2007

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Discrete Mathematics

  • ISSN

    0012-365X

  • e-ISSN

  • Volume of the periodical

    307

  • Issue of the periodical within the volume

    21

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    14

  • Pages from-to

    2464-2477

  • UT code for WoS article

  • EID of the result in the Scopus database