<?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>2026-10-19T06:17:02Z</responseDate><request verb="GetRecord" identifier="oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/14156" metadataPrefix="oai_dc">https://ebyu-rdlopen.rawdatalibrary.net/oai/request</request><GetRecord><record><header><identifier>oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/14156</identifier><datestamp>2026-10-18T20:43:07Z</datestamp><setSpec>openaire</setSpec><setSpec>driver</setSpec><setSpec>com_ebyu_10000</setSpec><setSpec>col_ebyu_10001</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>Dual surfaces defined by z = f(u) + g(v) in simply isotropic 3-space I(double-struck)                         3                         1</dc:title><dc:creator>Çakmak, Ali</dc:creator><dc:creator>Karacan, Murat Kemal</dc:creator><dc:creator>Kiziltuğ, Sezai</dc:creator><dc:subject>Dual surfaces</dc:subject><dc:subject>Laplace operator</dc:subject><dc:subject>Monge patch</dc:subject><dc:subject>Simply isotropic space</dc:subject><dc:description>In this study, we define the dual surfaces by z = f(u) + g(v) and also classify these surfaces in I(double-struck)                             3                             1                              satisfying some algebraic equations in terms of the coordinate functions and the Laplace operators according to fundamental forms of the surface.                          © 2019 Korean Mathematical Society.</dc:description><dc:publisher>Korean Mathematical Society</dc:publisher><dc:date>2019</dc:date><dc:type>Article</dc:type><dc:identifier>https://rdlopen.rawdatalibrary.net/r/ebyu/14156</dc:identifier><dc:identifier>https://doi.org/10.4134/ckms.c170396</dc:identifier><dc:identifier>1225-1763</dc:identifier><dc:language>en</dc:language><dc:relation>Communications of the Korean Mathematical Society</dc:relation><dc:rights>info:eu-repo/semantics/openAccess</dc:rights><dc:type>info:eu-repo/semantics/article</dc:type><dc:identifier>https://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14156</dc:identifier></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>