<?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>2026-10-30T01:52:43Z</responseDate><request verb="GetRecord" identifier="oai:bayburt-rdlopen.rawdatalibrary.net:bayburt/13808" metadataPrefix="oai_dc">https://bayburt-rdlopen.rawdatalibrary.net/oai/request</request><GetRecord><record><header><identifier>oai:bayburt-rdlopen.rawdatalibrary.net:bayburt/13808</identifier><datestamp>2026-10-29T19:52:18Z</datestamp><setSpec>openaire</setSpec><setSpec>com_bayburt_10000</setSpec><setSpec>col_bayburt_10001</setSpec><setSpec>com_bayburt_10007</setSpec><setSpec>col_bayburt_10218</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>Existence of one weak solution for p(X)-biharmonic equations involving a concave-convex nonlinearity</dc:title><dc:creator>Mashiyev, Rabil Ayazoglu</dc:creator><dc:creator>Alisoy, Gülizar</dc:creator><dc:creator>Ekincioglu, Ismail</dc:creator><dc:subject>Concave-convex nonlinearities</dc:subject><dc:subject>Critical points</dc:subject><dc:subject>Ekeland’s variational principle</dc:subject><dc:subject>Mountain Pass Theorem</dc:subject><dc:subject>Navier boundary conditions</dc:subject><dc:subject>P(x)-biharmonic operator</dc:subject><dc:description>In the present paper, using variational approach and the theory of the variable exponent Lebesgue spaces, the existence of nontrivial weak solutions to a fourth order elliptic equation involving a p(x)-biharmonic operator and a concave-convex nonlinearity the Navier boundary conditions is obtained.</dc:description><dc:publisher>Drustvo Matematicara Srbije</dc:publisher><dc:date>2017</dc:date><dc:type>Article</dc:type><dc:identifier>https://rdlopen.rawdatalibrary.net/r/bayburt/13808</dc:identifier><dc:identifier>0025-5165</dc:identifier><dc:language>en</dc:language><dc:relation>Matematicki Vesnik</dc:relation><dc:rights>info:eu-repo/semantics/closedAccess</dc:rights><dc:type>info:eu-repo/semantics/article</dc:type><dc:identifier>https://bayburt-rdlopen.rawdatalibrary.net/tr/items/bayburt/13808</dc:identifier></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>