<?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>2026-10-19T01:18:14Z</responseDate><request verb="GetRecord" identifier="oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/15959" metadataPrefix="oai_dc">https://ebyu-rdlopen.rawdatalibrary.net/oai/request</request><GetRecord><record><header><identifier>oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/15959</identifier><datestamp>2026-10-18T20:39:18Z</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>Coefficient bounds for new subclasses of bi-univalent functions</dc:title><dc:creator>Çaǧlara, Murat</dc:creator><dc:creator>Orhana, Halit</dc:creator><dc:creator>Yaǧmur, Nihat</dc:creator><dc:subject>Analytic and univalent function</dc:subject><dc:subject>Bi-univalent function</dc:subject><dc:subject>Coefficient bounds</dc:subject><dc:description>In the present investigation, we consider two new subclasses NΣμ (α, λ) and NΣμ(β, λ) of biunivalent functions defined in the open unit disk U = {z: |z| &lt; 1}: Besides, we find upper bounds for the second and third coefficients for functions in these new subclasses.</dc:description><dc:publisher>UNIV NIS, FAC SCI MATH</dc:publisher><dc:date>2013</dc:date><dc:type>Article</dc:type><dc:identifier>https://rdlopen.rawdatalibrary.net/r/ebyu/15959</dc:identifier><dc:identifier>https://doi.org/10.2298/fil1307165c</dc:identifier><dc:identifier>0354-5180</dc:identifier><dc:language>en</dc:language><dc:relation>Filomat</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/15959</dc:identifier></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>