<?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>2026-04-17T11:49:45Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:2117/104671" metadataPrefix="marc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:2117/104671</identifier><datestamp>2025-07-17T03:44:49Z</datestamp><setSpec>com_2072_1033</setSpec><setSpec>col_2072_452950</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">dc</subfield>
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      <subfield code="a">Cucker Farkas, Juan Felipe</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Gabarró Vallès, Joaquim</subfield>
      <subfield code="e">author</subfield>
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   <datafield ind2=" " ind1=" " tag="260">
      <subfield code="c">1989-12</subfield>
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      <subfield code="a">Proves that nonprimitive recursive functions have transcendental generating series. This result translates a certain measure of the complexity of a function, the fact of not being primitive recursive, into another measure of the complexity of the generating series associated to the function, the fact of being transcendental.</subfield>
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   <datafield ind2=" " ind1=" " tag="520">
      <subfield code="a">On démontre que les fonctions qui ne sont pas recursives primitives ont des séries génératrices transcendantes. Ce résultat traduit une certaine mesure de complexité d'une fonction, le fait de ne pas être recursive primitive, dans une autre mesure de la complexité de la série génératrice associée à cette fonction, le fait d'être transcendante.</subfield>
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      <subfield code="a">Postprint (published version)</subfield>
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      <subfield code="a">Àrees temàtiques de la UPC::Informàtica::Informàtica teòrica::Algorísmica i teoria de la complexitat</subfield>
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      <subfield code="a">Complexity, Computational</subfield>
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      <subfield code="a">Function complexity measures</subfield>
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      <subfield code="a">Nonrecursive functions</subfield>
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      <subfield code="a">Transcendental generating series</subfield>
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      <subfield code="a">Nonprimitive recursive functions</subfield>
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   <datafield tag="653" ind2=" " ind1=" ">
      <subfield code="a">Complexitat computacional</subfield>
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   <datafield ind2="0" ind1="0" tag="245">
      <subfield code="a">Non recursive functions have transcendental generating functions</subfield>
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