<?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>0120-419X</journal-id>
<journal-title><![CDATA[Revista Integración]]></journal-title>
<abbrev-journal-title><![CDATA[Integración - UIS]]></abbrev-journal-title>
<issn>0120-419X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-419X2014000200002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de extinción de una ecuación de difusión no local con término de absorción]]></article-title>
<article-title xml:lang="en"><![CDATA[Quenching analysis for a nonlocal diffusion equation with absorption term]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[BOGOYA]]></surname>
<given-names><![CDATA[MAURICIO]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MORA]]></surname>
<given-names><![CDATA[CLAUDIA PATRICIA]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional de Colombia Departamento de Matemáticas ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Pedagógica y Tecnológica de Colombia Departamento de Matemáticas ]]></institution>
<addr-line><![CDATA[Tunja ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2014</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2014</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>129</fpage>
<lpage>138</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-419X2014000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-419X2014000200002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-419X2014000200002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se estudia un problema de difusión no local con término de absorción y condiciones de frontera de Neumann. Se analiza la existencia y unicidad de las soluciones, y se da un principio de comparación para ellas. Se analiza la extinción de la solución para algunos términos de absorción]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We study a nonlocal diffusion problem with absorption term and Neumann boundary conditions. We prove the existence and uniqueness of solutions, and give a comparison principle for them. The quenching phenomena of solutions is analyzed for some absorption term]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Difusión no local]]></kwd>
<kwd lng="es"><![CDATA[Neumann]]></kwd>
<kwd lng="es"><![CDATA[absorción]]></kwd>
<kwd lng="es"><![CDATA[extinción]]></kwd>
<kwd lng="en"><![CDATA[Non local diffusion]]></kwd>
<kwd lng="en"><![CDATA[Neumann]]></kwd>
<kwd lng="en"><![CDATA[absorption]]></kwd>
<kwd lng="en"><![CDATA[quenching]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[   <font size="2" face="Verdana">     <p align="center"><font size="4"><b><i>An&aacute;lisis de extinci&oacute;n de una ecuaci&oacute;n de    <br> difusi&oacute;n no local con t&eacute;rmino de absorci&oacute;n</i></b></font></p>      <p align="center">MAURICIO BOGOYA<sup>a *</sup>, CLAUDIA PATRICIA MORA<sup>b</sup></p>      <p align="center"><sup>a</sup> Universidad Nacional de Colombia, Departamento de Matem&aacute;ticas, Bogot&aacute;, Colombia.    <br>    <br> <sup>b</sup> Universidad Pedag&oacute;gica y Tecnol&oacute;gica de Colombia, Departamento de Matem&aacute;ticas, Tunja, Colombia.</p>  <hr>      <p align="justify"><b><i>Resumen.</i></b> Se estudia un problema de difusi&oacute;n no local con t&eacute;rmino de absorci&oacute;n y condiciones de frontera de Neumann. Se analiza la existencia y unicidad de las soluciones, y se da un principio de comparaci&oacute;n para ellas. Se analiza la extinci&oacute;n de la soluci&oacute;n para algunos t&eacute;rminos de absorci&oacute;n.</p>      <p align="justify"><b><i>Palabras claves:</i></b> Difusi&oacute;n no local, Neumann, absorci&oacute;n, extinci&oacute;n.    <br> <b><i>MSC2010:</i></b> 35K57, 35B40.</p>  <hr>     ]]></body>
<body><![CDATA[<p align="center"><font size="3"><b><i>Quenching analysis for a nonlocal diffusion equation    <br> with absorption term</i></b></font></p>      <p align="justify"><b><i>Abstract.</i></b> We study a nonlocal diffusion problem with absorption term and Neumann boundary conditions. We prove the existence and uniqueness of solutions, and give a comparison principle for them. The quenching phenomena of solutions is analyzed for some absorption term.</p>      <p align="justify"><b><i>Keywords:</i></b> Non local diffusion, Neumann, absorption, quenching.</p>  <hr>      <p align="justify">Texto Completo disponible en <a href ="pdf\rein\v32n2\v32n2a02.pdf" target="_blank">PDF</a></p> <hr>     <p align="left"><font size="3"><b><i>Referencias</i></b></font></p>      <!-- ref --><p align="justify">&#91;1&#93; Andreu-Vaillo F., Maz&oacute;n J.M., Rossi J.D. and Todelo-Melero J.J., <i>Nonlocal Diffusion Problems</i>, Mathematical Surveys and Monographs, AMS 165, 2010.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000019&pid=S0120-419X201400020000200001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;2&#93; Aronson D.G., &quot;The porous medium equation&quot;, in <i>Nonlinear diffusion problems, Lecture Notes in Math.</i> 1224, Springer, Berlin (1986), 1-46.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000021&pid=S0120-419X201400020000200002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="justify">&#91;3&#93; Bogoya M., &quot;A nonlocal nonlinear diffusion equation in higher space dimensions&quot;, <i>J. Math. Anal. Appl.</i> 344 (2008), no. 2, 601-615.    &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=S0120-419X201400020000200003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;4&#93; Cort&aacute;zar C., Elgueta M. and Rossi J.D., &quot;A nonlocal diffusion equation whose solutions develop a free boundar&quot;, <i>Ann. Henri Poincar&eacute;</i> 6 (2005), no. 2, 269-281.    &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=S0120-419X201400020000200004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;5&#93; Kawarada H., &quot;On solutions of initial-boundary problem for <i>u<sub>t</sub></i> = <i>u<sub>xx</sub></i> + 1/(1 - <i>u</i>)&quot;, <i>Publ. Res. Inst. Math. Sci.</i> 10 (1974/75), no. 3, 729-736.    &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=S0120-419X201400020000200005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;6&#93; Kirk C.M. and Roberts C.A., &quot;A review of quenching results in the context of nonlinear Volterra equations&quot;, <i>Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal.</i> 10 (2003), no. 1-3, 343-356.    &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=S0120-419X201400020000200006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;7&#93; Levine H.A., &quot;The phenomenon of quenching: a survey&quot;, in <i>Trends in the theory and practice of nonlinear analysis, North-Holland Math. Stud.</i> 110, North-Holland, Amsterdam (1985), 275-286.    &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=S0120-419X201400020000200007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      ]]></body>
<body><![CDATA[<!-- ref --><p align="justify">&#91;8&#93; Levine H.A., &quot;Quenching and beyond: a survey of recent results&quot;, in <i>Nonlinear Mathematical Problems in Industry, II, GAKUTO Internat. Ser. Math. Sci. Appl.</i> 2, Gakk&#333;otosho, Tokyo (1993), 501-512.    &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=S0120-419X201400020000200008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>      <!-- ref --><p align="justify">&#91;9&#93; V&aacute;zquez J.L., &quot;An introduction to the mathematical theory of the porous medium equation&quot;, <i>in Shape optimization and free boundaries, NATO Adv. Sci. Inst. Ser. C Math. Phys. Sci.</i> 380, Kluwer Acad. Publ., Dordrecht (1992), 347-389.    &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=S0120-419X201400020000200009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>  <hr>     <p align="justify"><sup>*</sup>E-mail:<a href="mailto:mbogoyal@unal.edu.co">mbogoyal@unal.edu.co</a>    <br> Recibido: 17 de enero de 2014, Aceptado: 3 de mayo de 2014.    <br> Para citar este art&iacute;culo: M. Bogoya, C.P. Mora, An&aacute;lisis de extinci&oacute;n de una ecuaci&oacute;n de difusi&oacute;n no local    <br> con t&eacute;rmino de absorci&oacute;n, <i>Rev. Integr. Temas Mat.</i> 32 (2014), no. 2, 129-139.</p>  </font>      ]]></body><back>
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