<?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>0034-7426</journal-id>
<journal-title><![CDATA[Revista Colombiana de Matemáticas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.colomb.mat.]]></abbrev-journal-title>
<issn>0034-7426</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia y Sociedad Colombiana de Matemáticas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74262011000200007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Extension of Reverse Hilbert-Type Inequality with a Generalized Homogeneous Kernel]]></article-title>
<article-title xml:lang="es"><![CDATA[Extensión de la desigualdad tipo Hilbert con núcleo homegéneo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[TSERENDORJ]]></surname>
<given-names><![CDATA[BATBOLD]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[VANDANJAV]]></surname>
<given-names><![CDATA[ADIYASUREN]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[CASTILLO]]></surname>
<given-names><![CDATA[RENÉ ERLIN]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,National University of Mongolia  ]]></institution>
<addr-line><![CDATA[Ulaanbaatar ]]></addr-line>
<country>Mongolia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,National University of Mongolia  ]]></institution>
<addr-line><![CDATA[Ulaanbaatar ]]></addr-line>
<country>Mongolia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>15</day>
<month>12</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>15</day>
<month>12</month>
<year>2011</year>
</pub-date>
<volume>45</volume>
<numero>2</numero>
<fpage>187</fpage>
<lpage>195</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74262011000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74262011000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74262011000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In this paper, by introducing some parameters we establish a new extension of the reverse of Hilbert-type integral inequality with best constant. We also, consider the equivalent inequality.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[En este artículo, introduciendo algunos parámetros, establecemos una nueva extensión de la desigualdad inversa tipo Hilbert con mejor constante. También consideramos la desigualdad equivalente.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hilbert-Type Integral Inequality]]></kwd>
<kwd lng="en"><![CDATA[Reverse Hölder's Inequality]]></kwd>
<kwd lng="es"><![CDATA[Desigualdad integral tipo Hilbert]]></kwd>
<kwd lng="es"><![CDATA[desigualdad inversa de Hölder]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="verdana">      <p> <b> <font size="4">     <center> Extension of Reverse Hilbert-Type Inequality with a Generalized Homogeneous Kernel </center> </font> </b> </p>      <p> <b> <font size="3">     <center> Extensi&oacute;n de la desigualdad tipo Hilbert con n&uacute;cleo homeg&eacute;neo </center> </font> </b> </p>      <p>     <center> BATBOLD TSERENDORJ<sup>1</sup>,  ADIYASUREN VANDANJAV<sup>2</sup>,  REN&Eacute; ERLIN CASTILLO<sup>3</sup> </center> </p>      <p> <sup>1</sup>National University of Mongolia, Ulaanbaatar, Mongolia. Email: <a href="mailto:tsbatbold@hotmail.com">tsbatbold@hotmail.com</a>     <br>  <sup>2</sup>National University of Mongolia, Ulaanbaatar, Mongolia. Email: <a href="mailto:V_Adiyasuren@yahoo.com">V_Adiyasuren@yahoo.com</a>     <br>  <sup>3</sup>Universidad Nacional de Colombia, Bogot&aacute;, Colombia. Email: <a href="mailto:recastillo@unal.edu.co">recastillo@unal.edu.co</a>     ]]></body>
<body><![CDATA[<br> </p>  <hr size="1">      <p> <b>     <center> Abstract </center> </b> </p>      <p> In this paper, by introducing some parameters we establish a new extension of the reverse of Hilbert-type integral inequality with best constant. We also, consider the equivalent inequality. </p>      <p> <b> Key words: </b> Hilbert-Type Integral Inequality, Reverse Hölder's Inequality. </p>  <hr size="1">  <i>2000 Mathematics Subject Classification: 26D15.</i>  <hr size="1">      <p> <b>     <center> Resumen </center> </b> </p>      <p> En este art&iacute;culo, introduciendo algunos par&aacute;metros, establecemos una nueva extensi&oacute;n de la desigualdad inversa tipo Hilbert con mejor constante. Tambi&eacute;n consideramos la desigualdad equivalente. </p>      <p> <b> Palabras clave: </b> Desigualdad integral tipo Hilbert, desigualdad inversa de Hölder. </p>  <hr size="1">      <p> Texto completo disponible en <a href="pdf/rcm/v45n2/v45n2a07.pdf">PDF</a> </p>  <hr size="1">      ]]></body>
<body><![CDATA[<p> <b> <font size="3"> References </font> </b> </p>       <!-- ref --><p> &#91;1&#93; G. H. Hardy, J. E. Littlewood, and G. Polya, <i>Inequalities</i>, Cambridge University Press, Cambridge, United Kingdom YEAR 1952,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000024&pid=S0034-7426201100020000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 0000. </p>      <!-- ref --><p> &#91;2&#93; B. He, 'A Reverse Hilbert-Type Inequality with a Generalized Homogeneous Kernel', <i>Tamkang J. Math</i> <i>42</i>, 1 (2011),    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000026&pid=S0034-7426201100020000700002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 1-7. </p>      <!-- ref --><p> &#91;3&#93; D. S. Mitrinovi'c, J. E. Pe\vcari'c, and A. M. Fink, <i>Inequalities Involving Function and Their Integrals and Derivatives</i>, Kluwer Acadamic Publishers, Boston, United States YEAR 1991,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000028&pid=S0034-7426201100020000700003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 0000. </p>      <!-- ref --><p> &#91;4&#93; B. Yang, 'A basic Hilbert-Type Integral Inequality with Homogeneous Kernel of -1-Degree', <i>Journal of Shanghai University (Natural Science)</i> <i>15</i>, 5 (2009), 493-495.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000030&pid=S0034-7426201100020000700004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>      <!-- ref --><p> &#91;5&#93; B. Yang, 'A Hilbert-Type Integral Inequality with the Homogeneous Kernel of Degree Zero', <i>Journal of Shandong University (Natural Science)</i> <i>45</i>, 2 (2010), 103-106.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000032&pid=S0034-7426201100020000700005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>  <hr size="1">      <center> <b>(Recibido en abril de 2011. Aceptado en septiembre de 2011)</b> </center> <hr size="1">      <p> Este art&iacute;culo se puede citar en <i>LaTeX</i> utilizando la siguiente referencia bibliogr&aacute;fica de <i>BibTeX</i>: </p> <code><font size="2" face="verdana"> @ARTICLE{RCMv45n2a07,    <br>  &nbsp;&nbsp;&nbsp; AUTHOR &nbsp;= {Tserendorj, Batbold and Vandanjav, Adiyasuren and Castillo, Ren&eacute; Erlin},    <br>  &nbsp;&nbsp;&nbsp; TITLE &nbsp; = {{Extension of Reverse Hilbert-Type Inequality with a Generalized Homogeneous Kernel}},    <br>  &nbsp;&nbsp;&nbsp; JOURNAL = {Revista Colombiana de Matem&aacute;ticas},    <br> &nbsp;&nbsp;&nbsp; YEAR &nbsp;&nbsp; = {2011},    <br> &nbsp;&nbsp;&nbsp; volume &nbsp;= {45},    <br> &nbsp;&nbsp;&nbsp; number &nbsp;= {2},    <br> &nbsp;&nbsp;&nbsp; pages &nbsp; = {187--195}    ]]></body>
<body><![CDATA[<br> } </font></code>  <hr size="1"> </font>      ]]></body><back>
<ref-list>
<ref id="B1">
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<article-title xml:lang="en"><![CDATA['A Reverse Hilbert-Type Inequality with a Generalized Homogeneous Kernel']]></article-title>
<source><![CDATA[Tamkang J. Math]]></source>
<year>2011</year>
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<article-title xml:lang="en"><![CDATA['A basic Hilbert-Type Integral Inequality with Homogeneous Kernel of -1-Degree']]></article-title>
<source><![CDATA[Journal of Shanghai University (Natural Science)]]></source>
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