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    <ns1:title language="en">Atom-bond sum-connectivity index of unicyclic graphs and some applications</ns1:title>
    <ns1:language>en</ns1:language>
    <ns1:description language="en">Abstract:
The atom-bond sum-connectivity (ABS) index is a recently introduced variant of three earlier much studied graph-based molecular descriptors: connectivity (Randić), atom-bond connectivity, and sum-connectivity indices. In this paper, the graphs with minimum, second-minimum, maximum, and second-maximum values of the ABS index are determined over the class of connected unicyclic graphs with a fixed order. Possible chemical applications of the ABS index are also investigated on particular sets of chemical graphs.</ns1:description>
    <ns1:keyword language="en">Keywords: connectivity index, atom-bond connectivity index, sum-connectivity index, atom-bond sum-connectivity index, unicyclic graph</ns1:keyword>
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      <ns2:identifier>10.47443/ejm.2022.039</ns2:identifier>
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        <ns3:lastname>Redžepović</ns3:lastname>
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    <ns12:name_magazine language="en">Electronic Journal of Mathematics</ns12:name_magazine>
    <ns12:volume>5</ns12:volume>
    <ns12:from_page>1</ns12:from_page>
    <ns12:to_page>7</ns12:to_page>
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