<?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>0121-7488</journal-id>
<journal-title><![CDATA[Ciencia en Desarrollo]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencia en Desarrollo]]></abbrev-journal-title>
<issn>0121-7488</issn>
<publisher>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-74882024000100141</article-id>
<article-id pub-id-type="doi">10.19053/01217488.v15.n1.2024.15357</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A note on zeros of orthogonal polynomials generated by canonical transformations]]></article-title>
<article-title xml:lang="es"><![CDATA[Una nota sobre ceros de polinomios ortogonales generados por transformaciones canónicas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cuida]]></surname>
<given-names><![CDATA[German]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molano]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Pedagógica y Tecnológica de Colombia  ]]></institution>
<addr-line><![CDATA[Duitama ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Pedagógica y Tecnológica de Colombia  ]]></institution>
<addr-line><![CDATA[Duitama ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>15</volume>
<numero>1</numero>
<fpage>141</fpage>
<lpage>149</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-74882024000100141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-74882024000100141&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-74882024000100141&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this work, the behavior of zeros of orthogonal polynomials associated with canonical spectral transformations of weight functions on [0, &#8734;) is studied. Namely, by means of standard techniques, we obtain interlacing properties for zeros associated with some particular cases of rational and Christoffel transformations.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se estudia el comportamiento de ceros de polinomios ortogonales asociados a transformaciones espectrales canónicas de funciones de peso sobre [0,&#8734;). A saber, mediante técnicas estandar, obtenemos propiedades de entrelazado para ceros asociados a algunos casos particulares de transformaciones racionales y de Christoffel.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[orthogonal polynomials]]></kwd>
<kwd lng="en"><![CDATA[canonical transformations]]></kwd>
<kwd lng="en"><![CDATA[zeros]]></kwd>
<kwd lng="es"><![CDATA[polinomios Ortogonales]]></kwd>
<kwd lng="es"><![CDATA[transformaciones canónicas]]></kwd>
<kwd lng="es"><![CDATA[ceros]]></kwd>
</kwd-group>
</article-meta>
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