
<ns0:uwmetadata xmlns:ns0="http://phaidra.univie.ac.at/XML/metadata/V1.0" xmlns:ns1="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0" xmlns:ns10="http://phaidra.univie.ac.at/XML/metadata/provenience/V1.0" xmlns:ns11="http://phaidra.univie.ac.at/XML/metadata/provenience/V1.0/entity" xmlns:ns12="http://phaidra.univie.ac.at/XML/metadata/digitalbook/V1.0" xmlns:ns13="http://phaidra.univie.ac.at/XML/metadata/etheses/V1.0" xmlns:ns2="http://phaidra.univie.ac.at/XML/metadata/extended/V1.0" xmlns:ns3="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/entity" xmlns:ns4="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/requirement" xmlns:ns5="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/educational" xmlns:ns6="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/annotation" xmlns:ns7="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/classification" xmlns:ns8="http://phaidra.univie.ac.at/XML/metadata/lom/V1.0/organization" xmlns:ns9="http://phaidra.univie.ac.at/XML/metadata/histkult/V1.0">
  <ns1:general>
    <ns1:identifier>o:32077</ns1:identifier>
    <ns1:title language="en">IRREGULARITY SOMBOR INDEX</ns1:title>
    <ns1:language>en</ns1:language>
    <ns1:description language="en">Abstract: The irregularity Sombor index ISO is a recently introduced measure for graph irregularity, defined as the sum over all pairs of adjacent vertices u, v of the term √(|d_u^2-d_v^2 | ), where du is the degree of the vertex u. Some basic mathematical properties of ISO are established.</ns1:description>
    <ns1:keyword language="en">Keywords: degree (of vertex), irregularity (of graph), irregularity measure, irregularity index, Sombor index</ns1:keyword>
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        <ns3:firstname>Ivan</ns3:firstname>
        <ns3:lastname>Gutman</ns3:lastname>
        <ns3:orcid>0000-0001-9681-1550</ns3:orcid>
      </ns1:entity>
      <ns1:entity seq="1">
        <ns3:firstname>Veerabhadrappa R.</ns3:firstname>
        <ns3:lastname>Kulli</ns3:lastname>
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      <ns1:entity seq="2">
        <ns3:firstname>Izudin</ns3:firstname>
        <ns3:lastname>Redžepović</ns3:lastname>
        <ns3:institution>Državni univerzitet u Novom Pazaru</ns3:institution>
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        <ns3:orcid>0000-0003-4956-0407</ns3:orcid>
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    <ns1:location>https://phaidrabg.bg.ac.rs/o:32077</ns1:location>
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      <ns8:faculty>20A01</ns8:faculty>
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  <ns12:digitalbook>
    <ns12:name_magazine language="en">Bulletin de l&apos;Académie Serbe des Sciences et des Arts (Classe des Sciences Mathématiques et Naturelles) </ns12:name_magazine>
    <ns12:volume>48</ns12:volume>
    <ns12:from_page>31</ns12:from_page>
    <ns12:to_page>37</ns12:to_page>
    <ns12:releaseyear>2023</ns12:releaseyear>
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