<?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>S0034-74262014000200005</article-id>
<article-id pub-id-type="doi">10.15446/recolma.v48n2.54126</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Multiplicative Relaxation with respect to Thompson's Metric]]></article-title>
<article-title xml:lang="es"><![CDATA[Relajamiento multiplicativo con respecto a la métrica de Thompson]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[HERZOG]]></surname>
<given-names><![CDATA[GERD]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Karlsruhe Institute of Technology  ]]></institution>
<addr-line><![CDATA[Karlsruhe ]]></addr-line>
<country>Germany</country>
</aff>
<pub-date pub-type="pub">
<day>15</day>
<month>12</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>15</day>
<month>12</month>
<year>2014</year>
</pub-date>
<volume>48</volume>
<numero>2</numero>
<fpage>211</fpage>
<lpage>217</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0034-74262014000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0034-74262014000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0034-74262014000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[We give a condition so that certain mixed monotone mappings on function spaces have a contractive multiplicative relaxation with respect to Thompson's metric. The corresponding fixed point theorem can be applied to special types of integral equations, for example.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Damos una condición para que ciertas aplicaciones monótonas mixtas sobre espacios de funciones tengan una relajación multiplicativa con respecto a las métricas de Thompson. El correspondiente teorema de punto fijo puede ser aplicado a tipos especiales de ecuaciones integrales, por ejemplo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Thompson metric]]></kwd>
<kwd lng="en"><![CDATA[Mixed monotone mappings]]></kwd>
<kwd lng="en"><![CDATA[Fixed points]]></kwd>
<kwd lng="en"><![CDATA[Contraction]]></kwd>
<kwd lng="en"><![CDATA[Relaxation]]></kwd>
<kwd lng="es"><![CDATA[Metrica de Thompson]]></kwd>
<kwd lng="es"><![CDATA[aplicación mixta monotona]]></kwd>
<kwd lng="es"><![CDATA[puntos fijos]]></kwd>
<kwd lng="es"><![CDATA[contracción]]></kwd>
<kwd lng="es"><![CDATA[relajación]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="verdana">    <p>Doi: <a href="http://dx.doi.org/10.15446/recolma.v48n2.54126" target="_blank">http://dx.doi.org/10.15446/recolma.v48n2.54126</a></p>      <p> <b> <font size="4">     <center> Multiplicative Relaxation with respect to Thompson's Metric </center> </font> </b> </p>      <p> <b> <font size="3">     <center> Relajamiento multiplicativo con respecto a la m&eacute;trica de Thompson </center> </font> </b> </p>      <p>     <center> GERD HERZOG<sup>1</sup> </center> </p>      <p> <sup>1</sup>Karlsruhe Institute of Technology, Karlsruhe, Germany. Email: <a href="mailto:gerd.herzog2@kit.edu">gerd.herzog2@kit.edu</a>     <br> </p>  <hr size="1">      ]]></body>
<body><![CDATA[<p> <b>     <center> Abstract </center> </b> </p>      <p> We give a condition so that certain mixed monotone mappings on function spaces have a contractive multiplicative relaxation with respect to Thompson's metric. The corresponding fixed point theorem can be applied to special types of integral equations, for example. </p>      <p> <b> Key words: </b> Thompson metric, Mixed monotone mappings, Fixed points, Contraction, Relaxation. </p>  <hr size="1">  <i>2000 Mathematics Subject Classification: 47H10, 47H07.</i>  <hr size="1">      <p> <b>     <center> Resumen </center> </b> </p>      <p> Damos una condici&oacute;n para que ciertas aplicaciones mon&oacute;tonas mixtas sobre espacios de funciones tengan una relajaci&oacute;n multiplicativa con respecto a las m&eacute;tricas de Thompson. El correspondiente teorema de punto fijo puede ser aplicado a tipos especiales de ecuaciones integrales, por ejemplo. </p>      <p> <b> Palabras clave: </b> Metrica de Thompson, aplicaci&oacute;n mixta monotona, puntos fijos, contracci&oacute;n, relajaci&oacute;n. </p>  <hr size="1">      <p> Texto completo disponible en <a href="pdf/rcm/v48n2/v48n2a05.pdf" target="_blank">PDF</a> </p>  <hr size="1">      <p> <b> <font size="3"> References </font> </b> </p>       ]]></body>
<body><![CDATA[<!-- ref --><p> &#91;1&#93; V. Berinde, <i>Iterative Approximation of Fixed Points</i>, Springer,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000023&pid=S0034-7426201400020000500001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 2007. </p>      <!-- ref --><p> &#91;2&#93; Y. Z. Chen, 'Thompson's Metric and Mixed Monotone Operators', <i>J. Math. Anal. Appl.</i> <i>177</i>,  (1993), 31-37.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000025&pid=S0034-7426201400020000500002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>      <!-- ref --><p> &#91;3&#93; D. Guo, 'Fixed Points of Mixed Monotone Operators With Applications', <i>Appl. Anal.</i> <i>31</i>,  (1988), 215-224.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000027&pid=S0034-7426201400020000500003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>      <!-- ref --><p> &#91;4&#93; D. Guo, Y. J. Cho, and J. Zhu, <i>Partial Ordering Methods in Nonlinear Problems</i>, Nova Science Publishers,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000029&pid=S0034-7426201400020000500004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 2004. </p>      <!-- ref --><p> &#91;5&#93; C. Y. Huang, 'Fixed Point Theorems for a Class of Positive Mixed Monotone Operators', <i>Math. Nachr.</i> <i>285</i>,  (2012), 659-669.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000031&pid=S0034-7426201400020000500005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>      ]]></body>
<body><![CDATA[<!-- ref --><p> &#91;6&#93; D. H. Hyers, G. Isac, and T. M. Rassias, <i>Topics in Nonlinear Analysis and Applications</i>, World Scientific,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000033&pid=S0034-7426201400020000500006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 1997. </p>      <!-- ref --><p> &#91;7&#93; M. D. Rus, The Method of Monotone Iterations for Mixed Monotone Operators, Ph.D. Thesis Summary, Babes-Bolyai University, Romania,    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000035&pid=S0034-7426201400020000500007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> 2010. </p>      <!-- ref --><p> &#91;8&#93; A. Thompson, 'On Certain Contraction Mappings in a Partially Ordered Vector Space', <i>Proc. Am. Math. Soc.</i> <i>14</i>,  (1963), 438-443.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000037&pid=S0034-7426201400020000500008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> </p>  <hr size="1">      <center> <b>(Recibido en febrero de 2014. Aceptado en agosto de 2014)</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{RCMv48n2a05,    <br>  &nbsp;&nbsp;&nbsp; AUTHOR &nbsp;= {Herzog, Gerd},    <br>  &nbsp;&nbsp;&nbsp; TITLE &nbsp; = {{Multiplicative Relaxation with respect to Thompson's Metric}},    ]]></body>
<body><![CDATA[<br>  &nbsp;&nbsp;&nbsp; JOURNAL = {Revista Colombiana de Matem&aacute;ticas},    <br> &nbsp;&nbsp;&nbsp; YEAR &nbsp;&nbsp; = {2014},    <br> &nbsp;&nbsp;&nbsp; volume &nbsp;= {48},    <br> &nbsp;&nbsp;&nbsp; number &nbsp;= {2},    <br> &nbsp;&nbsp;&nbsp; pages &nbsp; = {211--217}    <br> } </font></code>  <hr size="1"> </font>      ]]></body><back>
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</back>
</article>
