<?xml version="1.0" encoding="UTF-8"?><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>2026-10-23T18:48:31Z</responseDate><request verb="GetRecord" identifier="oai:gumushane-rdlopen.rawdatalibrary.net:gumushane/15774" metadataPrefix="oai_dc">https://gumushane-rdlopen.rawdatalibrary.net/oai/request</request><GetRecord><record><header><identifier>oai:gumushane-rdlopen.rawdatalibrary.net:gumushane/15774</identifier><datestamp>2026-10-22T11:38:15Z</datestamp><setSpec>openaire</setSpec><setSpec>com_gumushane_10000</setSpec><setSpec>col_gumushane_10001</setSpec><setSpec>com_gumushane_10007</setSpec><setSpec>col_gumushane_10171</setSpec></header><metadata><oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:title>Weyl numbers of diagonal matrices</dc:title><dc:creator>Ismailov, Zameddin I.</dc:creator><dc:creator>Cona, Lale</dc:creator><dc:creator>Çevik, Elif Otkun</dc:creator><dc:creator>Guler, Bahadir O.</dc:creator><dc:contributor>Ashyralyev, A</dc:contributor><dc:contributor>Malkowsky, E</dc:contributor><dc:subject>Approximation</dc:subject><dc:subject>Banach spaces</dc:subject><dc:subject>Direct sum of operators</dc:subject><dc:subject>Weyl numbers of operators</dc:subject><dc:description>In this work, a connection between Weyl numbers of the infinite diagonal matrix with linear bounded operator elements in the direct sum of Banach spaces and its coordinate operators has been investigated.</dc:description><dc:publisher>American Institute of Physics Inc.</dc:publisher><dc:date>2014</dc:date><dc:type>Conference Object</dc:type><dc:identifier>https://rdlopen.rawdatalibrary.net/r/gumushane/15774</dc:identifier><dc:identifier>https://doi.org/10.1063/1.4893850</dc:identifier><dc:identifier>978-073541247-7</dc:identifier><dc:identifier>0094-243X</dc:identifier><dc:language>en</dc:language><dc:relation>AIP Conference Proceedings</dc:relation><dc:rights>info:eu-repo/semantics/closedAccess</dc:rights><dc:type>info:eu-repo/semantics/conferenceObject</dc:type><dc:identifier>https://gumushane-rdlopen.rawdatalibrary.net/tr/items/gumushane/15774</dc:identifier></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>