<?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>2026-05-05T12:03:48Z</responseDate><request verb="GetRecord" identifier="oai:uvadoc.uva.es:10324/81497" metadataPrefix="marc">https://uvadoc.uva.es/oai/request</request><GetRecord><record><header><identifier>oai:uvadoc.uva.es:10324/81497</identifier><datestamp>2026-04-14T11:45:22Z</datestamp><setSpec>com_10324_1129</setSpec><setSpec>com_10324_931</setSpec><setSpec>com_10324_894</setSpec><setSpec>col_10324_1193</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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<subfield code="a">Almirón, Patricio</subfield>
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<subfield code="a">Moyano Fernández, Julio José</subfield>
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<subfield code="a">In this paper we introduce the new concepts of supersymmetric and self-symmetric gaps of a numerical semigroup with two generators. Those concepts are based on certain symmetries of the gaps of the semigroup with respect to their Wilf number. We prove that the set of supersymmetric and self-symmetric gaps completely determines the semigroup and we compare this set with the fundamental gaps of the semigroup.</subfield>
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<subfield code="a">Communications in Algebra, 2022,  vol. 50,  n.º 10, pp. 4252--4268</subfield>
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<subfield code="a">10.1080/00927872.2022.2058521</subfield>
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<subfield code="a">Communications in Algebra</subfield>
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<subfield code="a">Supersymmetric gaps of a numerical semigroup with two generators</subfield>
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