<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-05T10:47:14Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2072/410646" metadataPrefix="rdf">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2072/410646</identifier><datestamp>2025-06-23T02:46:50Z</datestamp><setSpec>com_2072_98</setSpec><setSpec>col_2072_378192</setSpec></header><metadata><rdf:RDF xmlns:rdf="http://www.openarchives.org/OAI/2.0/rdf/" xmlns:ow="http://www.ontoweb.org/ontology/1#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:ds="http://dspace.org/ds/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/rdf/ http://www.openarchives.org/OAI/2.0/rdf.xsd">
   <ow:Publication rdf:about="oai:recercat.cat:2072/410646">
      <dc:title>Hamiltonian linear type centers of linear plus cubic homogeneous polynomial vector fields</dc:title>
      <dc:creator>Colak, Ilker</dc:creator>
      <dc:creator>Llibre, Jaume</dc:creator>
      <dc:creator>Valls, Clàudia</dc:creator>
      <dc:subject>Cubic polynomial system</dc:subject>
      <dc:subject>Hamiltonian linear type center</dc:subject>
      <dc:subject>Vector fields</dc:subject>
      <dc:description>Agraïments: The first author has been supported by AGAUR FI-DGR 2010. The third author has been supported by AGAUR PIV-DGR-2010, FCT grant PTDC/MAT/117106/2010 and through CAMG SD.</dc:description>
      <dc:description>We provide normal forms and the global phase portraits in the Poincaré disk for all the Hamiltonian non-degenerate centers of linear plus cubic homogeneous planar polynomial vector fields.</dc:description>
      <dc:date>2014</dc:date>
      <dc:type>Article</dc:type>
      <dc:relation>Ministerio de Ciencia e Innovación MTM2008-03437</dc:relation>
      <dc:relation>Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-410</dc:relation>
      <dc:relation>European Commission 316338</dc:relation>
      <dc:relation>Journal of differential equations ; Vol. 257 (2014), p. 1623-1661</dc:relation>
      <dc:rights>open access</dc:rights>
      <dc:rights>Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.</dc:rights>
      <dc:rights>https://rightsstatements.org/vocab/InC/1.0/</dc:rights>
      <dc:publisher/>
   </ow:Publication>
</rdf:RDF></metadata></record></GetRecord></OAI-PMH>