<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1645-9911</journal-id>
<journal-title><![CDATA[Tékhne - Revista de Estudos Politécnicos]]></journal-title>
<abbrev-journal-title><![CDATA[Tékhne]]></abbrev-journal-title>
<issn>1645-9911</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico do  Cávado e do Ave]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1645-99112008000200007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Integration on Hyperspaces]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abreu]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corbacho]]></surname>
<given-names><![CDATA[Eusébio]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tarieladze]]></surname>
<given-names><![CDATA[Vaja]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,IPCA - Instituto Politécnico do Cávado e do Ave Escola Superior de Gestão ]]></institution>
<addr-line><![CDATA[Barcelos ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de Vigo E. T. S. E. de Telecomunicacion Departamento de Matematica Aplicada 1]]></institution>
<addr-line><![CDATA[Vigo ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Niko Muskhelishvili Institute of Computational Mathematics  ]]></institution>
<addr-line><![CDATA[Tbilisi ]]></addr-line>
<country>Georgia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<numero>10</numero>
<fpage>87</fpage>
<lpage>102</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1645-99112008000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1645-99112008000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1645-99112008000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this paper first we present elements of a theory of integration of a quasi-uniform conoid valued functions with respect to a positive measure following the doctoral thesis of the first author "Integration on Uniform Type Conoids". Then we show that it is possible to apply this theory for integration of functions with values in the hyperspace of non-empty convex subsets of a given quasi-uniform conoid. To realize such a possibility we treat the considered hyperspace as a quasi-uniform conoid in a rather natural way (as this is done in our joint work "Uniform type Hyperspaces").]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Topological conoid]]></kwd>
<kwd lng="en"><![CDATA[quasi-uniform monoid]]></kwd>
<kwd lng="en"><![CDATA[quasi-uniform conoid]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><b>Integration on Hyperspaces</b></p>     <p align="center">Teresa Abreu[<a href="#1">1</a>]<sup>, </sup>Eusébio Corbacho[<a href="#2">2</a>],    Vaja Tarieladze[<a href="#3">3</a>]<a name="top1"></a><a name="top2"></a><a name="top3"></a></p>     <p align="center"><a href="mailto:tabreu@ipca.pt">tabreu@ipca.pt</a>, <a href="mailto:corbacho@uvigo.es">corbacho@uvigo.es</a>,    <a href="mailto:tar@gw.acnet.ge">tar@gw.acnet.ge</a></p>     <p align="center">(recebido em 26 de Maio de 2008; aceite em 19 de Setembro de    2008)</p>     <p align="center">&nbsp;</p>     <p align="center">&nbsp;</p>      <p><b>Abstract. </b>In this paper first we present elements of a theory of integration of a quasi-uniform conoid valued functions with respect to a positive measure following the doctoral thesis of the first author &quot;Integration on Uniform Type Conoids&quot;. Then we show that it is possible to apply this theory for integration of functions with values in the hyperspace of non-empty convex subsets of a given quasi-uniform conoid. To realize such a possibility we treat the considered hyperspace as a quasi-uniform conoid in a rather natural way (as this is done in our joint work &quot;Uniform type Hyperspaces&quot;).</p>      <p><b>Keywords:</b> Topological conoid, quasi-uniform monoid, quasi-uniform conoid</p>     <p>&nbsp;</p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p>Full text only available in PDF format.</p>     <p>Texto completo dispon&iacute;vel apenas em PDF.</p>     <p>&nbsp;</p>     <p>&nbsp;</p>      <p class=tit2><b>Bibliografia</b></p>      <!-- ref --><p>[1]&nbsp; Abreu, T. ; <i>&nbsp;Integration on Quasi-uniform Conoids</i>, Thesis Doctoral, Vigo, (2005).&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000018&pid=S1645-9911200800020000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><p>[2]&nbsp; Abreu, T.; Corbacho, E.; Tarieladze, V.; <i>&nbsp;Uniform Type Conoids</i>, Communication on International Congress of Mathematicians, Madrid, Spain, (2006).&nbsp; </p>      <p>[3]&nbsp; Abreu, T.; Corbacho, E.; Tarieladze, V.; <i>&nbsp;Uniform Type Hyperspaces</i>,    Communication on Sixth Italian-Spanish Conference on General Topology and Applications.    To appear in Matematica Panonnica, Italy, (2007). </p>      <p>[4]&nbsp; Alegre C, Ferer J.; Gregory, V., <i>&nbsp;On Hahn-Banach theorem in certain linear quasi-uniform structures</i>, Acta Math. Hungarica, 1999, v.82, 325--330.</p>      <p>[5]&nbsp; Berthiaume, G., <i>&nbsp;On Quasi-Uniformities in Hyperspaces</i>,Proc.AMS, <b>&nbsp;66, 2</b>, (1977), 335--343.&nbsp; </p>      ]]></body>
<body><![CDATA[<p>[6]&nbsp; Castejon, A.; Corbacho, E.; Tarieladze, V., <i>&nbsp;Metric Monoids and Integration</i>, Preprint, Vigo, (1997).&nbsp; </p>      <p>[7] Cao,J.; Künzi, H.;Reilly, I.;Romaguera S.; <i>&nbsp;Quasi-uniform hyperspaces of compact subsets</i>, Topology and its Applications, <b>&nbsp;87</b>, (1998), 117--126.&nbsp; </p>      <p>[8]&nbsp; Fletcher, P.; Lindgren, W., <i>&nbsp;Quasi-uniform spaces</i>, Lecture Notes in Pure ans Applied Mathematics, Marcel Dekker, Inc., New York, <b>&nbsp;77</b>, (1982).&nbsp; </p>      <p>[9]&nbsp; Huh, W., <i>&nbsp;Some properties of pseudonormable semilinear spaces</i>, J. Korean Math. Soc., <b>&nbsp;11</b>, (1974), 77--85. </p>      <p>[10]&nbsp; Garcia-Raffi L. M, Romaguera S.; Sanchez-Perez,E. A., <i>&nbsp;The bicompletion of an asymmetric normed linear space</i>, Acta Math. Hungarica, 2002, v.97, 183--191.&nbsp; </p>      <p>[11]&nbsp; Godini, G., <i>&nbsp;On normed almost linear spaces</i>, Math. Ann.,    <b>&nbsp;279</b>, (1988), 449--455.&nbsp; </p>     <p>&nbsp;</p>     <p>&nbsp;</p>         <p><a name="1"></a><a href="#top1">1</a> IPCA &#8211; Escola Superior de Gest&atilde;o,    Instituto Polit&eacute;cnico do C&aacute;vado e do Ave, Barcelos, Portugal </p>     <p><a name="2"></a><a href="#top2">2</a> Departamento de Matematica Aplicada 1,    E. T. S. E. de Telecomunicacion, Universidad de Vigo, Vigo, Spain </p>     ]]></body>
<body><![CDATA[<p><a name="3"></a><a href="#top3">3</a> Niko Muskhelishvili Institute of Computational    Mathematics, Tbilisi-0193, Georgia</p>      ]]></body><back>
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