<?xml version="1.0" encoding="UTF-8"?>
<article article-type="Review Article">
  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher">journal-of-interdisciplinary-mathematics</journal-id>
      <journal-title-group>
        <journal-title>Journal of Interdisciplinary Mathematics</journal-title>
      </journal-title-group>
      <issn publication-format="electronic">2169-012X</issn>
      <issn publication-format="print">0972-0502</issn>
      <publisher>
        <publisher-name>Taru Publications</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.47974/JIM-2262</article-id>
      <title-group>
        <article-title>On the properties of cones and polar cones</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name>
            <surname>Stefanov</surname>
            <given-names>Stefan M.</given-names>
          </name>
          <aff>Department of Informatics, Neofit Rilski South-West University, Blagoevgrad, 2700, Bulgaria</aff>
        </contrib>
      </contrib-group>
      <volume>29</volume>
      <issue>6</issue>
      <fpage>1753</fpage>
      <lpage>1763</lpage>
      <pub-date date-type="pub">
        <day>05</day>
        <month>03</month>
        <year>2026</year>
      </pub-date>
      <abstract>
        <p>The concepts of cones, polar cones, double polar cones, and pointed cones are introduced. Some properties of these cones are proved, and the topic of representation of convex cones is discussed. </p>
      </abstract>
      <kwd-group>
        <kwd>Cone</kwd>
        <kwd>Polar cone</kwd>
        <kwd>Double polar cone</kwd>
        <kwd>Pointed cone</kwd>
        <kwd>Polyhedron</kwd>
        <kwd>Polytope</kwd>
      </kwd-group>
      <custom-meta-group>
        <custom-meta>
          <meta-name>access</meta-name>
          <meta-value>open</meta-value>
        </custom-meta>
        <custom-meta>
          <meta-name>retracted</meta-name>
          <meta-value>no</meta-value>
        </custom-meta>
      </custom-meta-group>
    </article-meta>
  </front>
</article>
