Edit Profile (opens in new tab) Popa, Valeriu Co-Author Distance Author ID: popa.valeriu Published as: Popa, Valeriu; Popa, V.; Popa, Valeria more...less External Links: Google Scholar · ResearchGate · dblp Documents Indexed: 409 Publications since 1964 Reviewing Activity: 212 Reviews Co-Authors: 27 Co-Authors with 259 Joint Publications 620 Co-Co-Authors all top 5 Co-Authors 147 single-authored 155 Noiri, Takashi 63 Patriciu, Alina-Mihaela 8 Jafari, Saeid 8 Pathak, Hemant Kumar 7 Aliouche, Abdelkrim 6 Akkouchi, Mohamed 5 Ganster, Maximilian 4 Ali, Javid 4 Imdad, Mohammad 3 Cueva, Miguel Caldas 3 Popa, Dan 2 Ekici, Erdal 2 Mocanu, Marcelina 2 Puiu, Gabriel 2 Rajesh, Neelamegarajan 2 Stan, Costica 2 Telci, Mustafa 1 Ansari, Arslan Hojat 1 Berceanu, Cornel 1 Buhadjera, H. 1 Chandok, Sumit 1 Dlaska, Karin 1 Georgiou, Dimitrios N. 1 Khan, Mohammad Saeed 1 Küçük, Yalçın 1 Lakshmi, V. V. S. N. 1 Singh, Yumnam Mahendra 1 Turkoglu, Duran all top 5 Serials 39 Scientific Studies and Research. Series Mathematics and Informatics 27 Studii și Cercetări Științifice. Seria: Matematică 23 Demonstratio Mathematica 18 Studii și Cercetări Matematice 14 Annales Universitatis Scientiarum Budapestinensis de Rolando Eötvös Nominatae. Sectio Mathematica 13 Fasciculi Mathematici 11 Filomat 11 Analele Universității din Oradea. Fascicola Matematică 11 Mathematica Moravica 10 Buletinul Institutului Politehnic din Iași. Secția I. Matematică, Mecanică Teoretică, Fizică 8 Journal of Pure Mathematics 8 Studia Universitatis Babeș-Bolyai. Mathematica 8 Novi Sad Journal of Mathematics 7 Buletinul Științific al Universității Politehnica din Timișoara. Seria Matematică-Fizică 7 Acta Universitatis Apulensis. Mathematics - Informatics 6 Matematički Vesnik 6 Zbornik Radova. Prirodno-Matematichkog Fakulteta. Serija za Matematiku 6 Acta Mathematica Hungarica 6 Kochi Journal of Mathematics 5 Mathématica – Revue d’Analyse Numérique et de Théorie de l’Approximation. Mathématica 5 Rendiconti del Circolo Matemàtico di Palermo. Serie II 5 Analele Universității din Timișoara. Seria Matematică-Informatică 5 Annales Mathematicae Silesianae 4 Analele Universității din Timișoara. Științe Matematice 4 Bulletin Mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie. Nouvelle Série 4 Libertas Mathematica 4 Questions and Answers in General Topology 4 Mathematica Balkanica. New Series 4 Glasnik Matematički. Serija III 4 Journal of Advanced Mathematical Studies 3 Revue Roumaine de Mathématiques Pures et Appliquées 3 Facta Universitatis. Series Mathematics and Informatics 3 Istanbul Üniversitesi Fen Fakültesi Matematik Dergisi 3 Bulletin Mathématique de la Société des Sciences Mathématiques de Roumanie. Nouvelle Série 3 Mathematica 3 Sarajevo Journal of Mathematics 3 European Journal of Pure and Applied Mathematics 3 Bulletin of the International Mathematical Virtual Institute 2 Indian Journal of Mathematics 2 Journal of M.A.C.T. 2 The Journal of the University of Kuwait. (Science) 2 Mathematica Slovaca 2 Real Analysis Exchange 2 Buletinul Științific și Tehnic al Institutului Politehnic ”Traian Vuia” Timișoara. Seria Matematica-Fizica 2 Radovi Matematički 2 Memoirs of the Faculty of Science. Series A. Mathematics 2 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 2 Revue d’Analyse Numérique et de Théorie de l’Approximation 2 Journal of Institute of Mathematics and Computer Sciences. Mathematics Series 2 Journal of the Egyptian Mathematical Society 2 Honam Mathematical Journal 2 Buletinul Științific al Universității din Baia Mare. Seria B. Fascicola Matematică - Informatică 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Cubo 2 Carpathian Journal of Mathematics 2 Gazeta Matematica. Serie A 2 Palestine Journal of Mathematics 2 Mathematical Sciences & Applications E-Notes 1 Indian Journal of Pure & Applied Mathematics 1 Ukrainian Mathematical Journal 1 Chaos, Solitons and Fractals 1 The Aligarh Bulletin of Mathematics 1 Bulletin of the Calcutta Mathematical Society 1 Commentationes Mathematicae Universitatis Carolinae 1 International Journal of Mathematics and Mathematical Sciences 1 Kyungpook Mathematical Journal 1 Mathematicae Notae 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Pure & Applied Mathematika Sciences 1 Rendiconti dell’Istituto di Matematica dell’Università di Trieste 1 Soochow Journal of Mathematics 1 Southeast Asian Bulletin of Mathematics 1 Kobe Journal of Mathematics 1 Hacettepe Bulletin of Natural Sciences and Engineering. Series B 1 Bulletin of the Institute of Mathematics. Academia Sinica 1 Doklady Bolgarskoĭ Akademii Nauk 1 Gazeta Matematică 1 Tatra Mountains Mathematical Publications 1 Buletinul Științific al Universității Baia Mare. Seria B 1 Bulletin of the Belgian Mathematical Society - Simon Stevin 1 Far East Journal of Mathematical Sciences 1 Turkish Journal of Mathematics 1 Analele Universității din Craiova. Seria Matematică Informatică 1 Analele Științifice ale Universității “Ovidius” Constanța. Seria: Matematică 1 Arab Journal of Mathematical Sciences 1 Mathematical Communications 1 Scientific Bulletin. Series A. Applied Mathematics and Physics. Politehnica University of Bucharest 1 Vietnam Journal of Mathematics 1 Mathematical & Computational Applications 1 Nonlinear Analysis Forum 1 Lobachevskii Journal of Mathematics 1 Missouri Journal of Mathematical Sciences 1 Hacettepe Journal of Mathematics and Statistics 1 Thai Journal of Mathematics 1 Fixed Point Theory 1 Miskolc Mathematical Notes 1 Bollettino della Unione Matematica Italiana. Series V. A 1 Preprint. “Babeș-Bolyai” University. Faculty of Mathematics. Research Seminars 1 Bulletin of the Institute of Mathematics. Academia Sinica. New Series 1 Zeszyty Naukowe Wyższej Szkoly Pedagogicznej w Bydgoszczy. Problemy Matematyczne ...and 15 more Serials Fields 401 General topology (54-XX) 105 Operator theory (47-XX) 5 Real functions (26-XX) 4 Number theory (11-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 162 Publications have been cited 668 times in 311 Documents Cited by ▼ Year ▼ Some fixed point theorems for compatible mappings satisfying an implicit relation. Zbl 0926.54030Popa, Valeriu 56 1999 Fixed point theorems for implicit contractive mappings. Zbl 0967.54041Popa, Valeriu 43 1997 Altering distance and common fixed points under implicit relations. Zbl 1239.47046Popa, Valeriu; Mocanu, Marcelina 28 2009 A general coincidence theorem for compatible multivalued mappings satisfying an implicit relation. Zbl 0947.54023Popa, Valeriu 17 2000 A general fixed point theorem for pairs of weakly compatible mappings in \(G\)-metric spaces. Zbl 1300.54078Popa, Valeriu; Patriciu, Alina-Mihaela 17 2012 Faintly \(m\)-continuous functions. Zbl 1079.54507Noiri, Takashi; Popa, Valeriu 16 2004 A unified theory of weak continuity for functions. Zbl 1164.54326Noiri, Takashi; Popa, Valeriu 16 2002 On the definitions of some generalized forms of continuity under minimal conditions. Zbl 0972.54011Popa, Valeriu; Noiri, Takashi 16 2001 Almost weakly continuous multifunctions. Zbl 0859.54007Noiri, Takashi; Popa, Valeriu 15 1993 Weakly \(\beta\)-continuous functions. Zbl 0864.54009Popa, Valeriu; Noiri, Takashi 15 1994 Using implicit relations to prove unified fixed point theorems in metric and 2-metric spaces. Zbl 1186.54041Popa, V.; Imdad, M.; Ali, Javid 14 2010 General common fixed point theorems for occasionally weakly compatible hybrid mappings and applications. Zbl 1265.54149Aliouche, Abdelkrim; Popa, Valeriu 13 2009 Well - posedness of the fixed point problem in orbitally complete metric spaces. Zbl 1174.54384Popa, Valeriu 12 2006 Some fixed points theorems for weakly compatible mappings. Zbl 1064.54506Popa, Valeriu 11 2001 Some properties of H-almost continuous multifunctions. Zbl 0707.54014Popa, Valeriu 10 1990 Weak forms of faint continuity. Zbl 0739.54003Noiri, Takashi; Popa, Valeriu 9 1990 Weakly continuous multifunctions. Zbl 0391.54010Popa, V. 9 1978 On upper and lower \(\beta\)-continuous multifunctions. Zbl 0879.54021Popa, V.; Noiri, T. 9 1997 Some fixed point theorems for mappings satisfying implicit relations in symmetric spaces. Zbl 1159.54007Mocanu, Marcelina; Popa, Valeriu 9 2008 Almost weakly continuous functions. Zbl 0789.54014Popa, Valeriu; Noiri, Takashi 8 1992 A general fixed point theorem for four weakly compatible mappings satisfying an implicit relation. Zbl 1089.54022Popa, Valeriu 8 2005 On upper and lower almost \(\alpha\)-continuous multifunctions. Zbl 0899.54015Popa, Valeria; Noiri, Takashi 8 1996 Well-posedness of fixed point problem for mappings satisfying an implicit relation. Zbl 1238.54018Akkouchi, Mohamed; Popa, Valeriu 8 2010 Sur certaines formes faibles de continuité pour les multifonctions. Zbl 0594.54018Popa, Valeriu 7 1985 Properties of H-almost continuous functions. Zbl 0618.54013Popa, Valeriu 7 1987 A unified theory of contra-continuity for functions. Zbl 1027.54018Noiri, T.; Popa, V. 7 2002 A general fixed point theorem for weakly compatible mappings in compact metric spaces. Zbl 1002.54027Popa, Valeriu 7 2001 A unified theory of almost continuity for multifunctions. Zbl 1265.54076Noiri, Takashi; Popa, Valeriu 6 2010 On upper and lower \(\alpha\)-continuous multifunctions. Zbl 0837.54010Popa, Valeriu; Noiri, Takashi 6 1993 On upper and lower almost \(\beta\)-continuous multifunctions. Zbl 0924.54024Noiri, T.; Popa, V. 6 1999 Coincidence and fixed points theorems for noncontinuous hybrid contractions. Zbl 1027.47059Popa, Valeriu 6 2002 On upper and lower \(M\)-continuous multifunctions. Zbl 1012.54027Noiri, Takashi; Popa, Valeriu 6 2000 On weakly \(( au, m)\)– continuous functions. Zbl 1098.54508Noiri, Takashi; Popa, Valeriu 6 2002 On almost \(m\)-continuous functions. Zbl 1172.54314Popa, Valeriu; Noiri, Takashi 6 2004 Some properties of almost contra-precontinuous functions. Zbl 1185.54019Noiri, Takashi; Popa, Valeriu 5 2005 A unified theory of almost contra-continuity for functions. Zbl 1152.54332Noiri, Takashi; Popa, Valeriu 5 2008 Sur une decomposition de la quasi-continuite dans les espaces topologiques. Zbl 0255.54008Popa, Valeriu; Stan, Costica 5 1973 Almost continuous multifunctions. Zbl 0518.54017Popa, Valeriu 4 1982 Impact of occasionally weakly compatible property on common fixed point theorems for expansive mapping. Zbl 1265.54172Imdad, M.; Ali, Javid; Popa, V. 4 2011 On weakly \(m\)-continuous functions. Zbl 1084.54510Popa, Valeriu; Noiri, Takashi 4 2003 A fixed point theorem for mappings in \(d\)-complete topological spaces. Zbl 1007.54039Popa, Valeriu 4 1999 Sur certaine décomposition de la continuite dans les espaces topologiques. Zbl 0451.54012Popa, V. 4 1979 Slightly \(m\)-continuous multifunctions. Zbl 1114.54009Noiri, Takashi; Popa, Valeriu 4 2006 On \(\beta\)-continuous functions. Zbl 0819.54008Popa, Valeriu; Noiri, Takashi 4 1993 On \(m\)-\(D\)-separation axioms. Zbl 1073.54512Noiri, Takashi; Popa, Valeriu 4 2003 A general fixed point theorem for a pair of self mappings with common limit range property in \(G\)-metric spaces. Zbl 1349.54132Popa, Valeriu; Patriciu, Alina-Mihaela 4 2014 Common fixed point theorems for occasionally weakly compatible mappings via implicit relations. Zbl 1199.54200Aliouche, Abdelkrim; Popa, Valeriu 4 2008 On some forms of weakly continuous functions in bitopological spaces. Zbl 1152.54012Noiri, Takashi; Popa, Valeriu 4 2008 Common fixed points for multifunctions satisfying a rational inequality. Zbl 0591.54037Popa, Valeriu 3 1985 Characterizations of H-almost continuous functions. Zbl 0644.54009Popa, V. 3 1987 Between \(*\)-closed sets and \(\mathcal I\)-\(g\)-closed sets in ideal topological spaces. Zbl 1198.54002Noiri, Takashi; Popa, Valeriu 3 2010 A general fixed point theorem for occasionally weakly compatible mappings and applications. Zbl 1289.54152Popa, Valeriu 3 2012 A general fixed point theorem for several mappings in \(G\)-metric spaces. Zbl 1249.54091Popa, Valeriu 3 2011 Strongly \(\theta-\beta\)-continuous functions. Zbl 1267.54014Noiri, Takashi; Popa, Valeriu 3 2002 Slightly m-continuous functions. Zbl 1064.54501Popa, Valeriu; Noiri, Takashi 3 2001 Fixed points for non-surjective expansion mappings satisfying an implicit relation. Zbl 1031.47034Popa, Valeriu 3 2002 On almost \(\beta\)-continuous functions. Zbl 0901.54011Noiri, T.; Popa, V. 3 1998 Characterisations of weakly continuous functions. Zbl 0489.54005Popa, Valeriu 3 1982 A note on weakly and almost continuous multifunctions. Zbl 0798.54023Popa, Valeriu 3 1991 On some properties of quasicontinuous and almost continuous multifunctions. Zbl 0401.54012Popa, Valeriu 3 1978 Between closed sets and \(g\)-closed sets. Zbl 1150.54002Noiri, Takashi; Popa, Valeriu 3 2006 On weakly precontinuous functions in bitological spaces. Zbl 1146.54005Noiri, Takashi; Popa, Valeriu 3 2007 On upper and lower weakly \(\alpha\)-continuous multifunctions. Zbl 1050.54014Popa, Valeriu; Noiri, Takashi 3 2002 A unified theory of \(\theta\)-continuity for functions. Zbl 1098.54007Popa, Valeriu; Noiri, Takashi 3 2003 A unified theory of weak continuity for multifunctions. Zbl 1164.54328Noiri, Takashi; Popa, Valeriu 3 2006 On almost contra-continuous multifunctions. Zbl 1176.54017Ekici, E.; Jafari, S.; Popa, V. 3 2009 Generalizations of closed sets in minimal spaces with hereditary classes. Zbl 1438.54024Noiri, Takashi; Popa, Valeriu 2 2018 Altering distance and strict fixed points for multifunctions satisfying implicit relations. Zbl 1413.54161Popa, Valeriu 2 2011 Some properties of almost feebly continuous functions. Zbl 0760.54010Popa, Valeriu 2 1990 A unified theory of weak contra-continuity. Zbl 1240.54051Noiri, T.; Popa, V. 2 2011 The unified theory of certain types of generalizations of Lindelöf spaces. Zbl 1194.54031Noiri, Takashi; Popa, Valeriu 2 2010 Two general fixed point theorems for pairs of weakly compatible mappings in \(G\)-metric spaces. Zbl 1289.54153Popa, Valeriu; Patriciu, Alina-Mihaela 2 2012 Fixed point theorems for two pairs of mappings satisfying a new type of common limit range property. Zbl 1499.54197Popa, Valeriu 2 2017 Fixed point theorems for mappings in d-complete topological spaces. Zbl 1089.54517Popa, Valeriu 2 2002 A unified theory for strong \(\theta\)-continuity for functions. Zbl 1092.54004Noiri, T.; Popa, V. 2 2005 On \(g\)-regular spaces and some functions. Zbl 0991.54020Noiri, Takashi; Popa, Valeriu 2 1999 A common fixed point theorem for a sequence of multifunctions. Zbl 0423.54040Popa, Valeriu 2 1979 On upper and lower weakly \(\theta\)-irresolute multifunctions. Zbl 0815.54012Popa, V.; Noiri, T.; Ganster, M.; Dlaska, K. 2 1993 A unified theory of closed functions. Zbl 1119.54304Noiri, Takashi; Popa, Valeriu 2 2006 Some fixed point theorems for hybrid contractions satisfying an implicit relation. Zbl 1052.54524Popa, Valeriu; Turkoǧlu, Düran 2 1998 Minimal structures, punctually \(m\)-open functions in the sense of Kuratowski and bitopological spaces. Zbl 1151.54003Noiri, Takashi; Popa, Valeriu 2 2007 Well posedness of fixed point problem for mappings satisfying an implicit relation in \(G_p\)-metric spaces. Zbl 1397.54055Popa, Valeriu; Patriciu, Alina-Mihaela 2 2015 Two general fixed point theorems for a sequence of mappings satisfying implicit relations in \(G_p\)-metric spaces. Zbl 1325.54045Popa, Valeriu; Patriciu, Alina-Mihaela 2 2015 A general fixed point theorem for a pair of mappings in partial metric spaces. Zbl 1374.54060Popa, V.; Patriciu, A.-M. 2 2015 A general fixed point theorem for pairs of non weakly compatible mappings in \(G\)-metric spaces. Zbl 1462.54093Popa, Valeriu; Patriciu, Alina-Mihaela 2 2014 A general fixed point theorem of Meir-Keeler type for mappings satisfying an implicit relation in partial metric spaces. Zbl 1369.54049Popa, Valeriu; Patriciu, Alina-Mihaela 2 2017 On some fixed point theorems for implicit almost contractive mappings. Zbl 1349.54128Popa, Valeriu 2 2013 Fixed point theorems for a class of mappings governed by strictly contractive implicit function. Zbl 1240.54140Popa, V.; Imdad, M.; Ali, Javid 2 2010 A generalization of some forms of g-irresolute functions. Zbl 1213.54027Noiri, Takashi; Popa, Valeriu 2 2009 Some properties of weakly open functions in bitopological spaces. Zbl 1164.54366Noiri, Takashi; Popa, Valeriu 2 2006 A general fixed point theorem of Ćirić type in quasi-partial metric spaces. Zbl 1462.54091Patriciu, Alina-Mihaela; Popa, Valeriu 2 2020 Coincidence and common fixed points for hybrid mappings satisfying an implicit relation and applications. Zbl 1436.54040Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 Fixed point theorems for two pairs of weakly compatible mappings satisfying a new type of common limit range property. Zbl 1399.54146Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 On characterizations of feebly continuous functions. Zbl 0602.54013Popa, Valeriu 1 1985 Some properties of almost continuous multifunctions. Zbl 0606.54017Popa, Valeriu 1 1983 Strongly continuous multifunctions. Zbl 0619.54012Popa, Valeriu 1 1982 A general fixed point theorem for expansion mappings in pseudocompact spaces. Zbl 1240.54144Popa, Valeriu 1 2002 On some continuity conditions for multifunctions. Zbl 0518.54018Popa, Valeriu 1 1983 Fixed point theorems for a pair of mappings satisfying \(\phi\)-implicit relations in weak partial metric spaces. Zbl 1412.54055Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 A common fixed point theorem for occasionally weakly compatible mappings satisfying an implicit relation without decreasing assumption and applications. Zbl 1413.54163Popa, Valeriu; Patriciu, Alina-Mihaela 1 2012 On contra \(m\)-\(I\)-continuous multifunctions. Zbl 07696714Noiri, Takashi; Popa, Valeriu 1 2021 A general fixed point theorem of Ćirić type in quasi-partial metric spaces. Zbl 1462.54091Patriciu, Alina-Mihaela; Popa, Valeriu 2 2020 Fixed point theorems of an implicit relation via \(\mathcal{C}\)-class function in metric spaces. Zbl 1495.54024Ansari, A. H.; Popa, Valeriu; Singh, Y. Mahendra; Khan, M. S. 1 2020 Closed sets in hereditary bi \(m\)-spaces. Zbl 1479.54009Noiri, Takashi; Popa, Valeriu 1 2020 A fixed point theorem for mappings satisfying a new common range property. Zbl 1499.54199Popa, Valeriu; Popa, Dan 1 2019 A fixed point theorem in \(G\) - metric spaces for mappings using auxiliary functions. Zbl 1488.54163Patriciu, Alina-Mihaela; Popa, Valeriu 1 2019 Generalizations of closed sets in minimal spaces with hereditary classes. Zbl 1438.54024Noiri, Takashi; Popa, Valeriu 2 2018 A general common fixed point theorem for two pairs of mappings in metric spaces. Zbl 1396.54044Popa, Valeriu; Patriciu, Alina-Mihaela 1 2018 Fixed point theorems for two pairs of mappings satisfying a new type of common limit range property in \(G_{p}\) metric spaces. Zbl 1400.54057Popa, Valeriu; Patriciu, Alina-Mihaela 1 2018 Fixed point theorems for two pairs of mappings satisfying a new type of common limit range property. Zbl 1499.54197Popa, Valeriu 2 2017 A general fixed point theorem of Meir-Keeler type for mappings satisfying an implicit relation in partial metric spaces. Zbl 1369.54049Popa, Valeriu; Patriciu, Alina-Mihaela 2 2017 Coincidence and common fixed points for hybrid mappings satisfying an implicit relation and applications. Zbl 1436.54040Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 Fixed point theorems for two pairs of weakly compatible mappings satisfying a new type of common limit range property. Zbl 1399.54146Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 Fixed point theorems for a pair of mappings satisfying \(\phi\)-implicit relations in weak partial metric spaces. Zbl 1412.54055Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 Fixed point results for pair of absorbing mappings in partial metric spaces. Zbl 1413.54169Popa, Valeriu; Patriciu, Alina-Mihaela 1 2017 Almost contra \(\beta\theta\)-continuity in topological spaces. Zbl 1373.54020Caldas, M.; Ganster, M.; Jafari, S.; Noiri, T.; Popa, V. 1 2017 Fixed point theorems for two pairs of mappings satisfying common limit range property in \(G\)-metric spaces. Zbl 1413.54166Popa, Valeriu; Patriciu, Alina-Mihaela 1 2016 On contra \(m\)-continous multifunctions. Zbl 1349.54039Noiri, Takashi; Popa, Valeriu 1 2016 Fixed point theorems for two pairs of mappings in partial metric spaces. Zbl 1461.54101Popa, Valeriu; Patriciu, Alina-Mihaela 1 2016 Well posedness of fixed point problem for mappings satisfying an implicit relation in \(G_p\)-metric spaces. Zbl 1397.54055Popa, Valeriu; Patriciu, Alina-Mihaela 2 2015 Two general fixed point theorems for a sequence of mappings satisfying implicit relations in \(G_p\)-metric spaces. Zbl 1325.54045Popa, Valeriu; Patriciu, Alina-Mihaela 2 2015 A general fixed point theorem for a pair of mappings in partial metric spaces. Zbl 1374.54060Popa, V.; Patriciu, A.-M. 2 2015 A general fixed point theorem for a pair of self mappings with common limit range property in partial metric spaces. Zbl 1413.54165Popa, Valeriu; Patriciu, Alina-Mihaela 1 2015 On some common fixed point theorems in \(G\)-metric spaces using \(G\)-\((E.A)\)-property. Zbl 1389.54107Popa, Valeriu; Patriciu, Alina-Mihaela 1 2015 A general fixed point theorem for implicit cyclic multi-valued contraction mappings. Zbl 1369.54048Popa, Valeriu 1 2015 A general fixed point theorem for a pair of self mappings with common limit range property in \(G\)-metric spaces. Zbl 1349.54132Popa, Valeriu; Patriciu, Alina-Mihaela 4 2014 A general fixed point theorem for pairs of non weakly compatible mappings in \(G\)-metric spaces. Zbl 1462.54093Popa, Valeriu; Patriciu, Alina-Mihaela 2 2014 On some forms of contra-continuous functions in bitopological spaces. Zbl 1297.54033Noiri, Takashi; Popa, Valeriu 1 2014 Altering distance and common fixed points for hybrid mappings under implicit relations and applications. Zbl 1369.54050Popa, Valeriu; Patriciu, Alina-Mihaela 1 2014 On some fixed point theorems for implicit almost contractive mappings. Zbl 1349.54128Popa, Valeriu 2 2013 Fixed point theorems for mappings satisfying an implicit relation in complete \(G\)-metric spaces. Zbl 1413.54164Popa, Valeriu; Patriciu, Alina-Mihaela 1 2013 Fixed-point results on complete G-metric spaces for mappings satisfying an implicit relation of new type. Zbl 1282.54046Popa, V.; Patriciu, A.-M. 1 2013 Two common fixed point theorems for three mappings satisfying a \(\varPhi\)-implicit relation in complete \(G\)-metric spaces. Zbl 1270.54051Popa, Valeriu; Patriciu, Alina-Mihaela 1 2013 Fixed point theorem for cyclic \((\mu,\psi,\phi)\)-weakly contractions. Zbl 1313.54077Chandok, Sumit; Popa, Valeriu 1 2013 A general fixed point theorem for pairs of weakly compatible mappings in \(G\)-metric spaces. Zbl 1300.54078Popa, Valeriu; Patriciu, Alina-Mihaela 17 2012 A general fixed point theorem for occasionally weakly compatible mappings and applications. Zbl 1289.54152Popa, Valeriu 3 2012 Two general fixed point theorems for pairs of weakly compatible mappings in \(G\)-metric spaces. Zbl 1289.54153Popa, Valeriu; Patriciu, Alina-Mihaela 2 2012 A common fixed point theorem for occasionally weakly compatible mappings satisfying an implicit relation without decreasing assumption and applications. Zbl 1413.54163Popa, Valeriu; Patriciu, Alina-Mihaela 1 2012 Altering distances, fixed point for occasionally hybrid mappings and applications. Zbl 1276.54039Popa, Valeriu; Patriciu, Alina-Mihaela 1 2012 Impact of occasionally weakly compatible property on common fixed point theorems for expansive mapping. Zbl 1265.54172Imdad, M.; Ali, Javid; Popa, V. 4 2011 A general fixed point theorem for several mappings in \(G\)-metric spaces. Zbl 1249.54091Popa, Valeriu 3 2011 Altering distance and strict fixed points for multifunctions satisfying implicit relations. Zbl 1413.54161Popa, Valeriu 2 2011 A unified theory of weak contra-continuity. Zbl 1240.54051Noiri, T.; Popa, V. 2 2011 On almost \(m\)-continuous multifunctions. Zbl 1249.54032Noiri, Takashi; Popa, Valeriu 1 2011 A new viewpoint in the study of some contra \(g\)-continuous forms for functions. Zbl 1233.54006Noiri, Takashi; Popa, Valeriu 1 2011 Using implicit relations to prove unified fixed point theorems in metric and 2-metric spaces. Zbl 1186.54041Popa, V.; Imdad, M.; Ali, Javid 14 2010 Well-posedness of fixed point problem for mappings satisfying an implicit relation. Zbl 1238.54018Akkouchi, Mohamed; Popa, Valeriu 8 2010 A unified theory of almost continuity for multifunctions. Zbl 1265.54076Noiri, Takashi; Popa, Valeriu 6 2010 Between \(*\)-closed sets and \(\mathcal I\)-\(g\)-closed sets in ideal topological spaces. Zbl 1198.54002Noiri, Takashi; Popa, Valeriu 3 2010 The unified theory of certain types of generalizations of Lindelöf spaces. Zbl 1194.54031Noiri, Takashi; Popa, Valeriu 2 2010 Fixed point theorems for a class of mappings governed by strictly contractive implicit function. Zbl 1240.54140Popa, V.; Imdad, M.; Ali, Javid 2 2010 A new viewpoint in the study of \(g\)-continuity forms in topological spaces. Zbl 1196.54003Noiri, Takashi; Popa, Valeriu 1 2010 Altering distance and common fixed points under implicit relations. Zbl 1239.47046Popa, Valeriu; Mocanu, Marcelina 28 2009 General common fixed point theorems for occasionally weakly compatible hybrid mappings and applications. Zbl 1265.54149Aliouche, Abdelkrim; Popa, Valeriu 13 2009 On almost contra-continuous multifunctions. Zbl 1176.54017Ekici, E.; Jafari, S.; Popa, V. 3 2009 A generalization of some forms of g-irresolute functions. Zbl 1213.54027Noiri, Takashi; Popa, Valeriu 2 2009 On \(\theta\)-compactness in ideal topological spaces. Zbl 1240.54082Jafari, S.; Noiri, T.; Popa, V. 1 2009 Minimal structures, \(m\)-open multifunctions in the sense of Kuratowski and bitopological spaces. Zbl 1176.54018Noiri, Takashi; Popa, Valeriu 1 2009 Some fixed point theorems for mappings satisfying implicit relations in symmetric spaces. Zbl 1159.54007Mocanu, Marcelina; Popa, Valeriu 9 2008 A unified theory of almost contra-continuity for functions. Zbl 1152.54332Noiri, Takashi; Popa, Valeriu 5 2008 Common fixed point theorems for occasionally weakly compatible mappings via implicit relations. Zbl 1199.54200Aliouche, Abdelkrim; Popa, Valeriu 4 2008 On some forms of weakly continuous functions in bitopological spaces. Zbl 1152.54012Noiri, Takashi; Popa, Valeriu 4 2008 Coincidence and common fixed point theorems for hybrid mappings. Zbl 1274.54109Aliouche, Abdelkrim; Popa, Valeriu 1 2008 On weakly precontinuous functions in bitological spaces. Zbl 1146.54005Noiri, Takashi; Popa, Valeriu 3 2007 Minimal structures, punctually \(m\)-open functions in the sense of Kuratowski and bitopological spaces. Zbl 1151.54003Noiri, Takashi; Popa, Valeriu 2 2007 On a generalization of closed sets. Zbl 1137.54001Caldas, Miguel; Ganster, Maximilian; Georgiou, Dimitros N.; Jafari, Saeid; Popa, Valeriu 1 2007 A general fixed point theorem for converse commuting multivalued mappings in symmetric spaces. Zbl 1141.54019Popa, Valeriu 1 2007 A general fixed point theorem for expansive mappings under strict implicit conditions. Zbl 1199.54242Popa, Valeriu 1 2007 Well - posedness of the fixed point problem in orbitally complete metric spaces. Zbl 1174.54384Popa, Valeriu 12 2006 Slightly \(m\)-continuous multifunctions. Zbl 1114.54009Noiri, Takashi; Popa, Valeriu 4 2006 Between closed sets and \(g\)-closed sets. Zbl 1150.54002Noiri, Takashi; Popa, Valeriu 3 2006 A unified theory of weak continuity for multifunctions. Zbl 1164.54328Noiri, Takashi; Popa, Valeriu 3 2006 A unified theory of closed functions. Zbl 1119.54304Noiri, Takashi; Popa, Valeriu 2 2006 Some properties of weakly open functions in bitopological spaces. Zbl 1164.54366Noiri, Takashi; Popa, Valeriu 2 2006 A new viewpoint in the study of irresoluteness forms in bitopological spaces. Zbl 1117.54022Noiri, Takashi; Popa, Valeriu 1 2006 A general fixed point theorem for four weakly compatible mappings satisfying an implicit relation. Zbl 1089.54022Popa, Valeriu 8 2005 Some properties of almost contra-precontinuous functions. Zbl 1185.54019Noiri, Takashi; Popa, Valeriu 5 2005 A unified theory for strong \(\theta\)-continuity for functions. Zbl 1092.54004Noiri, T.; Popa, V. 2 2005 A generalized fixed point theorem for two pairs of mappings on two metric spaces. Zbl 1142.54371Popa, Valeriu 1 2005 Some properties of upper and lower clopen continuous multifunctions. Zbl 1111.54013Ekici, Erdal; Popa, Valeriu 1 2005 A unified theory of \(\theta\)-continuity for multifunctions. Zbl 1119.54318Noiri, Takashi; Popa, Valeriu 1 2005 A unfied theory of weakly closed functions. Zbl 1106.54004Noiri, Takashi; Popa, Valeriu 1 2005 Faintly \(m\)-continuous functions. Zbl 1079.54507Noiri, Takashi; Popa, Valeriu 16 2004 On almost \(m\)-continuous functions. Zbl 1172.54314Popa, Valeriu; Noiri, Takashi 6 2004 A general fixed point theorem for weakly \(\delta\)-compatible mappings in compact metrics spaces. Zbl 1150.54359Popa, Valeriu 1 2004 On weakly \(m\)-continuous functions. Zbl 1084.54510Popa, Valeriu; Noiri, Takashi 4 2003 On \(m\)-\(D\)-separation axioms. Zbl 1073.54512Noiri, Takashi; Popa, Valeriu 4 2003 A unified theory of \(\theta\)-continuity for functions. Zbl 1098.54007Popa, Valeriu; Noiri, Takashi 3 2003 On some fixed point theorems for mapping satisfying a new type of implicit relation. Zbl 1080.54512Popa, Valeriu 1 2003 A unified theory of weak continuity for functions. Zbl 1164.54326Noiri, Takashi; Popa, Valeriu 16 2002 A unified theory of contra-continuity for functions. Zbl 1027.54018Noiri, T.; Popa, V. 7 2002 Coincidence and fixed points theorems for noncontinuous hybrid contractions. Zbl 1027.47059Popa, Valeriu 6 2002 On weakly \(( au, m)\)– continuous functions. Zbl 1098.54508Noiri, Takashi; Popa, Valeriu 6 2002 Strongly \(\theta-\beta\)-continuous functions. Zbl 1267.54014Noiri, Takashi; Popa, Valeriu 3 2002 Fixed points for non-surjective expansion mappings satisfying an implicit relation. Zbl 1031.47034Popa, Valeriu 3 2002 On upper and lower weakly \(\alpha\)-continuous multifunctions. Zbl 1050.54014Popa, Valeriu; Noiri, Takashi 3 2002 Fixed point theorems for mappings in d-complete topological spaces. Zbl 1089.54517Popa, Valeriu 2 2002 A general fixed point theorem for expansion mappings in pseudocompact spaces. Zbl 1240.54144Popa, Valeriu 1 2002 On the definitions of some generalized forms of continuity under minimal conditions. Zbl 0972.54011Popa, Valeriu; Noiri, Takashi 16 2001 Some fixed points theorems for weakly compatible mappings. Zbl 1064.54506Popa, Valeriu 11 2001 ...and 62 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 369 Authors 31 Noiri, Takashi 25 Popa, Valeriu 13 Imdad, Mohammad 11 Ekici, Erdal 11 Nashine, Hemant Kumar 10 Karapınar, Erdal 9 Boonpok, Chawalit 9 Patriciu, Alina-Mihaela 8 Al-Omari, Ahmad Abdullah 7 Chauhan, Sunny 7 Gu, Feng 6 Aydi, Hassen Mohamed 6 Rosas, Ennis R. 5 Altun, Ishak 5 Carpintero, Carlos R. 5 Jafari, Saeid 5 Jain, Reena 5 Kadelburg, Zoran 5 Park, Jin Han 5 Rajesh, Neelamegarajan 5 Tyagi, Brij Kishore 5 Vetro, Calogero 5 Viriyapong, Chokchai 4 Akkouchi, Mohamed 4 Azam, Akbar 4 Bhardwaj, Manoj 4 Bisht, Ravindra Kishor 4 Bouhadjera, Hakima 4 Choudhury, Binayak Samadder 4 Nasef, Arafa A. 4 Noorani, Mohd Salmi Mohd 4 Singh, Sumit 3 Acikgoz, Ahu 3 Alfaqih, Waleed Mohd. 3 Ali, Javid 3 Basu, Chandrani 3 Cho, Yeol Je 3 Hussain, Nawab 3 Jain, Pankaj 3 Morales Medina, José Roberto 3 Panwar, Vivek 3 Park, Choonkil 3 Pathak, Hemant Kumar 3 Przemski, Marian 3 Rojas, Edixon Manuel 3 Saadati, Reza 3 Saluja, Gurucharan Singh 3 Sanabria, Jose Eduardo 3 Shatanawi, Wasfi A. 3 Yang, Zhongzhi 3 Yuksel, Saziye 2 Abbas, Mujahid 2 Aggarwal, Jeetendra 2 Ahmadullah, Md 2 Al-Omeri, Wadei Faris 2 Arif, Anam 2 Arivazhagi, C. 2 Azzam, A. Adam 2 Babu, Gutti Venkata Ravindranadh 2 Beceren, Yusuf 2 Berinde, Vasile 2 Borisovich, Yuriĭ Grigor’evich 2 Cueva, Miguel Caldas 2 Dey, Debashis 2 Dey, Lakshmi Kanta 2 El Atik, Abd El Fattah A. 2 Erhan, İnci M. 2 Felhi, Abdelbasset 2 Fulga, Andreea 2 Garai, Hiranmoy 2 Gel’man, Boris Danielovich 2 Gubran, Rqeeb 2 Jellali, Manel 2 Kang, Shin Min 2 Keskin, Aynur 2 Kiliçman, Adem 2 Kumam, Poom 2 Kundu, Sunirmal 2 Kutbi, Marwan Amin 2 Mahmood, Hasan 2 Mani, Naveen 2 Mehmood, Nayyar 2 Metiya, Nikhilesh 2 Min, Won Keun 2 Mohammed, Shehu Shagari 2 Myshkis, Anatoliĭ Dmitrievich 2 Nazam, Muhammad 2 Obukhovskiĭ, Valeriĭ Vladimirovich 2 Özkoç, Murad 2 Parvaneh, Vahid 2 Popa, Dan 2 Radenovic, Stojan 2 Reilly, Ivan Leon 2 Roy, Bishwambhar 2 Saha, Mantu 2 Sahmim, Slah 2 Sarwar, Muhammad 2 Sedghi, Shaban 2 Shobe, Nabi 2 Sintunavarat, Wutiphol ...and 269 more Authors all top 5 Cited in 100 Serials 26 Chaos, Solitons and Fractals 18 Demonstratio Mathematica 17 Acta Mathematica Hungarica 15 Abstract and Applied Analysis 13 Fixed Point Theory and Applications 12 Rendiconti del Circolo Matemàtico di Palermo. Serie II 12 Boletim da Sociedade Paranaense de Matemática. Terceira Série 8 Filomat 8 Journal of Inequalities and Applications 8 Journal of Function Spaces 7 International Journal of Mathematics and Mathematical Sciences 5 Fasciculi Mathematici 5 The Journal of Analysis 5 Journal of Linear and Topological Algebra 4 Journal of the Egyptian Mathematical Society 4 Vietnam Journal of Mathematics 4 Annales Mathematicae Silesianae 4 Cubo 4 Journal of Fixed Point Theory and Applications 4 Sahand Communications in Mathematical Analysis 3 Mathematica Slovaca 3 Mathematica Moravica 3 Acta et Commentationes Universitatis Tartuensis de Mathematica 3 Nonlinear Analysis. Modelling and Control 3 Nonlinear Functional Analysis and Applications 3 Journal of Advanced Studies in Topology 3 Afrika Matematika 3 Journal of Mathematics 3 Journal of Operators 3 Transactions of A. Razmadze Mathematical Institute 3 AIMS Mathematics 2 Rocky Mountain Journal of Mathematics 2 Applied Mathematics and Computation 2 Journal of Soviet Mathematics 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Mathematical and Computer Modelling 2 Honam Mathematical Journal 2 Lobachevskii Journal of Mathematics 2 JP Journal of Geometry and Topology 2 Journal of Intelligent and Fuzzy Systems 2 South East Asian Journal of Mathematics and Mathematical Sciences 2 Boundary Value Problems 2 Proyecciones 2 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 2 Journal of Nonlinear Science and Applications 2 Acta Universitatis Sapientiae. Mathematica 2 Applied General Topology 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 2 Journal of Mathematics and Computer Science. JMCS 2 Chinese Journal of Mathematics 2 Open Mathematics 1 Computers & Mathematics with Applications 1 Ukrainian Mathematical Journal 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Czechoslovak Mathematical Journal 1 Fuzzy Sets and Systems 1 The Journal of the Indian Mathematical Society. New Series 1 Kyungpook Mathematical Journal 1 Matematički Vesnik 1 Proceedings of the American Mathematical Society 1 Quaestiones Mathematicae 1 Topology and its Applications 1 Optimization 1 Facta Universitatis. Series Mathematics and Informatics 1 Analele Științifice ale Universității Al. I. Cuza din Iași. Serie Nouă. Matematică 1 Journal of Mathematical Sciences (New York) 1 Discrete and Continuous Dynamical Systems 1 Mathematical Problems in Engineering 1 Novi Sad Journal of Mathematics 1 Matematychni Studiï 1 Acta Mathematica Sinica. English Series 1 Journal of the Korean Society of Mathematical Education. Series B. The Pure and Applied Mathematics 1 Kragujevac Journal of Mathematics 1 Journal of Applied Mathematics 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Missouri Journal of Mathematical Sciences 1 Thai Journal of Mathematics 1 Fixed Point Theory 1 Sarajevo Journal of Mathematics 1 Applications and Applied Mathematics 1 JP Journal of Fixed Point Theory and Applications 1 Acta Mathematica Universitatis Ostraviensis 1 Analele Universității de Vest din Timișoara. Seria Matematică-Informatică 1 Asian-European Journal of Mathematics 1 East Asian Mathematical Journal 1 Tbilisi Mathematical Journal 1 Advances in Fuzzy Systems 1 Functional Analysis, Approximation and Computation 1 Eurasian Mathematical Journal 1 Azerbaijan Journal of Mathematics 1 Bulletin of Mathematical Sciences 1 Journal of Mathematical Extension 1 S\(\vec{\text{e}}\)MA Journal 1 Journal of Nonlinear Analysis and Optimization: Theory & Applications 1 Palestine Journal of Mathematics 1 Axioms 1 International Journal of Analysis 1 Topological Algebra and its Applications 1 Korean Journal of Mathematics 1 Cogent Mathematics & Statistics all top 5 Cited in 25 Fields 298 General topology (54-XX) 74 Operator theory (47-XX) 12 Integral equations (45-XX) 6 Real functions (26-XX) 4 Linear and multilinear algebra; matrix theory (15-XX) 4 Measure and integration (28-XX) 3 Ordinary differential equations (34-XX) 3 Functional analysis (46-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 Algebraic topology (55-XX) 3 Numerical analysis (65-XX) 2 Mathematical logic and foundations (03-XX) 2 Dynamical systems and ergodic theory (37-XX) 2 Global analysis, analysis on manifolds (58-XX) 1 Combinatorics (05-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Functions of a complex variable (30-XX) 1 Potential theory (31-XX) 1 Partial differential equations (35-XX) 1 Difference and functional equations (39-XX) 1 Sequences, series, summability (40-XX) 1 Approximations and expansions (41-XX) 1 Fluid mechanics (76-XX) 1 Geophysics (86-XX) 1 Operations research, mathematical programming (90-XX) Citations by Year