Edit Profile (opens in new tab) Başar, Feyzi Co-Author Distance Author ID: basar.feyzi Published as: Başar, Feyzi; Başar, F.; Basar, Feyzi; Başar, Feyzı; Basşar, Feyzi; Başar, Feyzí more...less External Links: Google Scholar · ResearchGate · dblp Documents Indexed: 130 Publications since 1982, including 5 Books 2 Contributions as Editor Co-Authors: 47 Co-Authors with 123 Joint Publications 597 Co-Co-Authors all top 5 Co-Authors 9 single-authored 20 Yeşilkayagil, Medine 17 Altay, Bilâl 9 Talo, Özer 7 Çapan, Hüsamettin 7 Mursaleen, Mohammad 5 Akhmedov, Ali M. 5 Aydin, Cafer 5 Malkowsky, Eberhard 4 Çakmak, Ahmet Faruk 4 Karakuş, Mahmut 4 Roopaei, Hadi 3 Furkan, Hasan 3 Kadak, Ugur 3 Nergiz, Havva 3 Solak, Ihsan 2 Braha, Naim Latif 2 Çolak, Rifat 2 Dündar, Erdinç 2 Dutta, Hemen 2 Karaisa, Ali 2 Kirişçi, Murat 2 Öztürk, Ekrem 2 Şengönül, Mehmet 2 Sever, Yurdal 2 Tuğ, Orhan 2 Yaying, Taja 1 Ashyralyev, Allaberen 1 Basarir, Metin 1 Bilgiç, Hüseyin 1 Connor, Jeff 1 Çoşkun, Hüsamettin 1 Durna, Nuh 1 Et, Mikail 1 Hazarika, Bipan 1 Isik, Mahmut 1 Kama, Ramazan 1 Kara, Emrah Evren 1 Lukashov, Alekseĭ Leonidovich 1 Mohiuddine, Syed Abdul 1 Özger, Faruk 1 Polat, Harun 1 Sönmez, Abdulcabbar 1 Tekin, Sebiha 1 Türkmen, Cengiz 1 Yeşilkayagil Savaşcı, Medine 1 Yildirim, Mustafa 1 Yilmaz, Esra Sümeyra all top 5 Serials 11 Abstract and Applied Analysis 7 Filomat 5 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 4 Computers & Mathematics with Applications 4 Journal of Mathematical Analysis and Applications 4 Soochow Journal of Mathematics 3 Applied Mathematics and Computation 3 Demonstratio Mathematica 3 Information Sciences 3 Mathematical Journal of Okayama University 3 Numerical Functional Analysis and Optimization 3 Tamkang Journal of Mathematics 3 Mathematical Journal of Ibaraki University 3 Acta Mathematica Scientia. Series B. (English Edition) 3 Thai Journal of Mathematics 3 TWMS Journal of Pure and Applied Mathematics 3 Contemporary Analysis and Applied Mathematics 2 Ukraïns’kyĭ Matematychnyĭ Zhurnal 2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 2 Mathematica Slovaca 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Pure & Applied Mathematika Sciences 2 Southeast Asian Bulletin of Mathematics 2 Bollettino della Unione Matemàtica Italiana. Serie VII. A 2 Acta Mathematica Sinica. English Series 2 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences 2 Doğa. Turkish Journal of Mathematics 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 2 Monographs and Research Notes in Mathematics 1 Mathematical Methods in the Applied Sciences 1 Rocky Mountain Journal of Mathematics 1 Hokkaido Mathematical Journal 1 Indian Journal of Mathematics 1 International Journal of Mathematics and Mathematical Sciences 1 Kyungpook Mathematical Journal 1 Publications de l’Institut Mathématique. Nouvelle Série 1 Publicationes Mathematicae Debrecen 1 Results in Mathematics 1 Studia Scientiarum Mathematicarum Hungarica 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Bulletin of the Allahabad Mathematical Society 1 Acta Mathematica Universitatis Comenianae. New Series 1 Indagationes Mathematicae. New Series 1 Journal of Institute of Mathematics and Computer Sciences. Mathematics Series 1 Journal of the Egyptian Mathematical Society 1 Turkish Journal of Mathematics 1 Analele Universității din Timișoara. Seria Matematică-Informatică 1 Mathematical Communications 1 Positivity 1 Taiwanese Journal of Mathematics 1 Journal of Inequalities and Applications 1 Kragujevac Journal of Mathematics 1 Proceedings of Institute of Mathematics and Mechanics. National Academy of Sciences of Azerbaijan 1 Hacettepe Journal of Mathematics and Statistics 1 Analysis in Theory and Applications 1 Boletim da Sociedade Paranaense de Matemática. Terceira Série 1 Sarajevo Journal of Mathematics 1 AIP Conference Proceedings 1 Communications in Mathematical Analysis 1 Annals of Functional Analysis 1 Electronic Journal of Mathematical Analysis and Applications EJMAA 1 International Journal of Analysis 1 Journal of Function Spaces 1 Transactions of A. Razmadze Mathematical Institute 1 Mathematics and Its Applications: Modelling, Engineering, and Social Sciences all top 5 Fields 93 Functional analysis (46-XX) 80 Sequences, series, summability (40-XX) 25 Operator theory (47-XX) 8 Real functions (26-XX) 3 Difference and functional equations (39-XX) 3 General topology (54-XX) 2 General and overarching topics; collections (00-XX) 2 Number theory (11-XX) 1 Mathematical logic and foundations (03-XX) 1 General algebraic systems (08-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Functions of a complex variable (30-XX) 1 Numerical analysis (65-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 112 Publications have been cited 1,991 times in 599 Documents Cited by ▼ Year ▼ On the space of sequences of \(p\)-bounded variation and related matrix mappings. Zbl 1040.46022Başar, F.; Altay, B. 123 2003 On the Euler sequence spaces which include the spaces \(\ell_{p}\) and \(\ell_{\infty}\). I. Zbl 1101.46015Altay, B.; Başar, F.; Mursaleen, M. 99 2006 Generalization of the sequence space \(\ell (p)\) derived by weighted mean. Zbl 1116.46003Altay, Bilâl; Başar, Feyzi 69 2007 The fine spectrum and the matrix domain of the difference operator \(\Delta\) on the sequence space \(l_{p},\;(0<p<1)\). Zbl 1173.47021Altay, Bilâl; Başar, Feyzi 68 2007 Some new spaces of double sequences. Zbl 1093.46004Altay, Bilâl; Başar, Feyzi 67 2005 Some Euler sequence spaces of nonabsolute type. Zbl 1096.46011Altay, B.; Başar, F. 65 2005 Some new sequence spaces derived by the domain of generalized difference matrix. Zbl 1201.40001Kirişçi, Murat; Başar, Feyzi 61 2010 On the fine spectrum of the generalized difference operator \(B(r,s)\) over the sequence spaces \(c_0\) and \(c\). Zbl 1098.39013Altay, Bilâl; Başar, Feyzi 60 2005 On the Euler sequence spaces which include the spaces \(\ell _{p}\) and \(\ell _{\infty}\). II. Zbl 1108.46019Mursaleen, M.; Başar, F.; Altay, B. 60 2006 On the fine spectrum of the difference operator \(\Delta\) on \(c_{0}\) and \(c\). Zbl 1085.47041Altay, Bilâl; Başar, Feyzi 57 2004 Summability theory and its applications. With a foreword by M. Mursaleen. Zbl 1342.40001Başar, Feyzi 51 2012 Almost convergence and generalized difference matrix. Zbl 1217.40001Başar, Feyzi; Kirişçi, Murat 49 2011 On the paranormed Riesz sequence spaces of non-absolute type. Zbl 1058.46002Altay, Bilâl; Başar, Feyzi 48 2003 Some new difference sequence spaces. Zbl 1072.46007Aydın, Cafer; Başar, Feyzı 43 2004 The space \(\mathcal{L}_q\) of double sequences. Zbl 1168.46300Başar, Feyzi; Sever, Yurdal 39 2009 Some Euler spaces of difference sequences of order \(m\). Zbl 1246.46007Polat, Harun; Başar, Feyzi 38 2007 Sequence spaces. Topics in modern summability theory. Zbl 1468.46003Mursaleen, Mohammad; Başar, Feyzi 37 2020 Some new sequence spaces which include the spaces \(\ell_p\) and \(\ell_\infty\). Zbl 1096.46005Aydın, Cafer; Başar, Feyzi 37 2005 Some new Cesàro sequence spaces of non-absolute type which include the spaces \(c_0\) and \(c\). Zbl 1085.46500Şengönül, Mehmet; Başar, Feyzi 36 2005 The fine spectra of the difference operator \(\Delta\) over the sequence space \(bv_p\), \((1\leq p<\infty)^*\). Zbl 1134.47025Akhmedov, Ali M.; Başar, F. 34 2007 Determination of the duals of classical sets of sequences of fuzzy numbers and related matrix transformations. Zbl 1189.15003Talo, Özer; Başar, Feyzi 33 2009 On the new sequence spaces which include the spaces \(c_0\) and \(c\). Zbl 1085.46002Aydin, Cafer; Başar, Feyzi 33 2004 On the fine spectrum of the operator \(B(r,s,t)\) over the sequence spaces \(\ell_p\) and \(bv_p\),(\(1<p<\infty \)). Zbl 1222.47050Furkan, Hasan; Bilgiç, Hüseyin; Başar, Feyzi 33 2010 Some paranormed sequence spaces of non-absolute type derived by weighted mean. Zbl 1105.46005Altay, Bilâl; Başar, Feyzi 30 2006 Some new paranormed sequence spaces. Zbl 1049.46002Aydin, Cafer; Başar, Feyzi 28 2004 Some generalizations of the space \(bv_{p}\) of \(p\)-bounded variation sequences. Zbl 1132.46002Başar, F.; Altay, B.; Mursaleen, M. 27 2008 On the fine spectra of the difference operator \(\Delta\) over the sequence space \(\ell_p\) \((1\leq p<\infty)\). Zbl 1118.47303Akhmedov, Ali M.; Başar, Feyzi 26 2006 Some paranormed Riesz sequence spaces of non-absolute type. Zbl 1118.46009Altay, Bilâl; Başar, Feyzi 26 2006 On the fine spectrum of the Cesàro operator in \(c_0\). Zbl 1096.47031Akhmedov, Ali M.; Başar, Feyzi 23 2004 Matrix transformations on the matrix domains of triangles in the spaces of strongly \(C_{1}\)-summable and bounded sequences. Zbl 1164.46003Başar, Feyzi; Malkowsky, Eberhard; Altay, Bilâl 23 2008 Matrix transformations on some sequence spaces related to strong Cesàro summability and boundedness. Zbl 1171.40002Altay, Bilâl; Başar, Feyzi; Malkowsky, Eberhard 17 2009 Some new results on sequence spaces with respect to non-Newtonian calculus. Zbl 1279.26006Çakmak, Ahmet Faruk; Başar, Feyzi 16 2012 Domain of Cesâro mean of order one in some spaces of double sequences. Zbl 1340.46011Mursaleen, Mohammad; Başar, Feyzi 16 2014 The characterization of compact operators on spaces of strongly summable and bounded sequences. Zbl 1213.47019Başar, Feyzi; Malkowsky, Eberhard 16 2011 Some topological properties of the spaces of almost null and almost convergent double sequences. Zbl 1424.46012Yeşilkayagil, Medine; Başar, Feyzi 15 2016 On the slowly decreasing sequences of fuzzy numbers. Zbl 1286.40005Talo, Özer; Başar, Feyzi 15 2013 On the fine spectrum of the upper triangle double band matrix \({\Delta}^+\) on the sequence space \(c_0\). Zbl 1300.47012Dündar, Erdinç; Başar, Feyzi 15 2013 The fine spectra of the Cesàro operator \(C_1\) over the sequence space \(bv_p\), \((1\leq p<\infty)\). Zbl 1146.47018Akhmedov, Ali M.; Başar, Feyzi 14 2008 On the space \(bv_p(F)\) of sequences of \(p\)-bounded variation of fuzzy numbers. Zbl 1162.46041Talo, Özer; Basşar, Feyzi 14 2008 Euler-Cesàro difference spaces of bounded, convergent and null sequences. Zbl 1373.46003Başar, Feyzi; Braha, Naim L. 13 2016 On the paranormed Nörlund sequence space of nonabsolute type. Zbl 1468.46014Yeşilkayagil, Medine; Başar, Feyzi 12 2014 Certain sequence spaces over the non-Newtonian complex field. Zbl 1470.46010Tekin, Sebiha; Başar, Feyzi 12 2013 Generalized difference spaces of non-absolute type of convergent and null sequences. Zbl 1267.46017Sönmez, Abdulcabbar; Başar, Feyzi 12 2012 On the domain of Riesz mean in the space \(\mathcal{L}_s^*\). Zbl 1488.46015Yeşilkayagil, Medine; Başar, Feyzi 12 2017 Infinite matrices and almost boundedness. Zbl 0867.47021Başar, Feyzí 11 1992 Almost-coercive matrix transformations. Zbl 0732.40002Başar, F.; Solak, I. 11 1991 Some basic results on the sets of sequences with geometric calculus. Zbl 1290.30047Türkmen, Cengiz; Başar, Feyzi 11 2012 Subdivisions of the spectra for generalized difference operator over certain sequence spaces. Zbl 1285.47039Başar, Feyzi; Durna, Nuh; Yildirim, Mustafa 11 2011 Almost-conservative matrix transformations. Zbl 0970.40500Başar, Feyzi; Çolak, Rıfat 11 1989 A note on Riesz summability of double series. Zbl 1381.46010Yeşilkayagil, Medine; Başar, Feyzi 10 2016 Certain spaces of functions over the field of non-Newtonian complex numbers. Zbl 1470.26003Çakmak, Ahmet Faruk; Başar, Feyzi 10 2014 On the fine spectrum of the operator defined by the lambda matrix over the spaces of null and convergent sequences. Zbl 1315.47004Yeşilkayagil, Medine; Başar, Feyzi 10 2013 On the spaces of Cesàro absolutely \(p\)-summable, null, and convergent sequences. Zbl 1480.46006Roopaei, Hadi; Başar, Feyzi 10 2021 On statistically convergent sequences of closed sets. Zbl 1456.40006Talo, Özer; Sever, Yurdal; Başar, Feyzi 10 2016 Domain of the double sequential band matrix \(B(\widetilde{r}, \widetilde{s})\) on some Maddox’s spaces. Zbl 1313.46013Özger, Faruk; Başar, Feyzi 10 2014 Quasilinearity of the classical sets of sequences of fuzzy numbers and some related results. Zbl 1230.46063Talo, Özer; Başar, Feyzi 10 2010 Some paranormed difference spaces of double sequences. Zbl 1376.46009Çapan, Hüsamettin; Başar, Feyzi 9 2016 On the spaces of Fibonacci difference absolutely \(p\)-summable, null and convergent sequences. Zbl 1424.11033Başarır, Metin; Başar, Feyzi; Kara, Emrah Evren 8 2016 Certain spaces of sequences of fuzzy numbers defined by a modulus function. Zbl 1206.46067Talo, Özer; Başar, Feyzi 8 2010 Spaces of \(A_\lambda\)-almost null and \(A_\lambda\)-almost convergent sequences. Zbl 1336.46009Yeşilkayagil, Medine; Başar, Feyzi 8 2015 On the spaces of Nörlund almost null and Nörlund almost convergent sequences. Zbl 1462.46009Tuğ, Orhan; Başar, Feyzi 8 2016 Domain of Euler mean in the space of absolutely \(p\)-summable double sequences with \(0 < p < 1\). Zbl 1438.46013Yesilkayagil, Medine; Basar, Feyzi 7 2018 A generalization of almost convergence, completeness of some normed spaces with wuC series and a version of Orlicz-Pettis theorem. Zbl 1429.46009Karakuş, Mahmut; Başar, Feyzi 7 2019 Power series of fuzzy numbers with real or fuzzy coefficients. Zbl 1289.26068Kadak, Uğur; Başar, Feyzi 7 2012 A survey for the spectrum of triangles over sequence spaces. Zbl 07122690Yeşilkayagil, Medine; Başar, Feyzi 7 2019 Four dimensional dual and dual of the new sort summability methods. Zbl 1356.40003Yeşilkayagil, Medine; Başar, Feyzi 7 2015 Some sequence spaces and matrix transformations in multiplicative sense. Zbl 1350.40004Çakmak, A. F.; Başar, F. 7 2015 On the characterization of a class of four dimensional matrices and Steinhaus type theorems. Zbl 1459.40008Yeşilkayagil, M.; Başar, F. 7 2016 Mercerian theorem for four dimensional matrices. Zbl 1375.40010Yeşilkayagil, Medine; Başar, Feyzi 7 2016 A generalization of Orlicz sequence spaces by Cesàro mean of order one. Zbl 1265.46004Dutta, H.; Başar, F. 7 2011 Domain of Riesz mean in some spaces of double sequences. Zbl 1457.46009Yeşilkayagil, Medine; Başar, Feyzi 6 2018 \(f\)-conservative matrix sequences. Zbl 0748.40002Başar, Feyzi 6 1991 Fine spectra of upper triangular triple-band matrices over the sequence space \(\ell_p\) (\(0 < p < \infty\)). Zbl 1483.47061Karaisa, Ali; Başar, Feyzi 6 2013 Domain of the Nörlund matrix in some of Maddox’s spaces. Zbl 1379.46010Yeşilkayagil, Medine; Başar, Feyzi 6 2017 On spectrum of the Cesaro operator. Zbl 1090.47019Akhmedov, Ali M.; Başar, Feyzi 6 2003 Operator valued series, almost summability of vector valued multipliers and (weak) compactness of summing operator. Zbl 1436.46010Karakuş, Mahmut; Başar, Feyzi 5 2020 Summable spaces and their duals, matrix transformations and geometric properties. Zbl 1478.46001Başar, Feyzi; Dutta, Hemen 5 2020 On some spaces isomorphic to the space of absolutely \(q\)-summable double sequences. Zbl 1441.46001Çapan, Hüsamettin; Başar, Feyzi 5 2018 On the domains of backward difference matrix and the spaces of convergence of a series. Zbl 1412.46034Kama, Ramazan; Altay, Bilal; Basar, Feyzi 5 2018 Summability theory and its applications. 2nd edition. Zbl 1495.40001Başar, Feyzi 5 2022 On the paranormed spaces of regularly convergent double sequences. Zbl 1391.46007Başar, Feyzi; Çapan, Hüsamettin 5 2017 Matrix transformations between certain sequence spaces of \(X_p\) and \(\ell_p\). Zbl 0960.40002Başar, Feyzi 5 2000 Infinite matrices and Cesàro sequence spaces of non-absolute type. Zbl 0962.40002Başar, Feyzi 5 1999 On the domain of the triangle \(A(\lambda)\) on the spaces of null, convergent, and bounded sequences. Zbl 1303.40003Braha, Naim L.; Başar, Feyzi 5 2013 Domain of triple band matrix \(B(r,s,t)\) on some Maddox’s spaces. Zbl 1262.46003Başar, Feyzi; Çakmak, Ahmet Faruk 4 2012 A survey on some paranormed sequence spaces. Zbl 1488.46012Malkowsky, Eberhard; Başar, Feyzi 4 2017 Note on Abel summability of double series. Zbl 1382.40016Yeşilkayagil, Medine; Başar, Feyzi 4 2017 Survey on the domain of the matrix lambda in the normed and paranormed sequence spaces. Zbl 1333.46006Başar, Feyzi 4 2013 On the paranormed space \(\mathcal{L}(t)\) of double sequences. Zbl 1499.40055Çapan, Hüsamettin; Başar, Feyzi 4 2018 Necessary and sufficient Tauberian conditions for the \(A^r\) method of summability. Zbl 1395.40002Talo, Özer; Başar, Feyzi 3 2018 On the paranormed space \(\mathcal{M}_{u}(t)\) of double sequences. Zbl 1424.46008Başar, Feyzi; Çapan, Hüsamettin 3 2019 On the difference spaces of almost convergent and strongly almost convergent double sequences. Zbl 1433.46005Çapan, Hüsamettin; Başar, Feyzi 3 2019 Some geometric properties of the domain of the double sequential band matrix \(B(\tilde{r}, \tilde{s})\) in the sequence space \(\ell(p)\). Zbl 1282.46020Nergiz, Havva; Başar, Feyzi 3 2013 On some sets of fuzzy-valued sequences with the level sets. Zbl 1292.54004Kadak, Uğur; Başar, Feyzi 3 2013 Regularly \((\mathcal I_2, \mathcal I)\)-convergence and regularly \((\mathcal I_2, \mathcal I)\)-Cauchy double sequences of fuzzy numbers. Zbl 1268.26034Dündar, Erdinç; Talo, Özer; Başar, Feyzi 3 2013 Vector valued multiplier spaces of \(f_\lambda \)-summability, completeness through \(c_0(X)\)-multiplier convergence and continuity and compactness of summing operators. Zbl 1466.46007Karakuş, Mahmut; Başar, Feyzi 3 2020 Domain of the double band matrix defined by Fibonacci numbers in the Maddox’s space \(\ell(p)\). Zbl 1463.46011Çapan, Hüsamettin; Başar, Feyzi 3 2015 Some topological and geometric properties of the domain of the generalized difference matrix \(B(r, s)\) in the sequence space \(\ell(p)^\ast\). Zbl 1310.46008Aydın, Cafer; Başar, Feyzi 3 2014 On the paranormed space of bounded variation double sequences. Zbl 1452.46005Yeşilkayagil, Medine; Başar, Feyzi 2 2020 On the Gamma spaces including the spaces of absolutely \(p\)-summable, null, convergent and bounded sequences. Zbl 1498.46005Roopaei, Hadi; Başar, Feyzi 2 2022 Summability theory and its applications. 2nd edition. Zbl 1495.40001Başar, Feyzi 5 2022 On the Gamma spaces including the spaces of absolutely \(p\)-summable, null, convergent and bounded sequences. Zbl 1498.46005Roopaei, Hadi; Başar, Feyzi 2 2022 Double sequence spaces and four-dimensional matrices. Zbl 1500.40001Başar, Feyzi; Yeşilkayagil Savaşcı, Medine 1 2022 On some Lambda-Pascal sequence spaces and compact operators. Zbl 1502.46015Yaying, Taja; Başar, Feyzi 1 2022 On some new sequence spaces defined by \(q\)-Pascal matrix. Zbl 1495.46011Yaying, T.; Hazarika, B.; Başar, F. 1 2022 On the spaces of Cesàro absolutely \(p\)-summable, null, and convergent sequences. Zbl 1480.46006Roopaei, Hadi; Başar, Feyzi 10 2021 \(AK(\vartheta)\)-property of double series spaces. Zbl 1475.46004Yeşılkayagıl, Medıne; Başar, Feyzi 2 2021 On the factorable spaces of absolutely \(p\)-summable, null, convergent, and bounded sequences. Zbl 1491.46007Başar, Feyzi; Roopaei, Hadi 1 2021 Sequence spaces. Topics in modern summability theory. Zbl 1468.46003Mursaleen, Mohammad; Başar, Feyzi 37 2020 Operator valued series, almost summability of vector valued multipliers and (weak) compactness of summing operator. Zbl 1436.46010Karakuş, Mahmut; Başar, Feyzi 5 2020 Summable spaces and their duals, matrix transformations and geometric properties. Zbl 1478.46001Başar, Feyzi; Dutta, Hemen 5 2020 Vector valued multiplier spaces of \(f_\lambda \)-summability, completeness through \(c_0(X)\)-multiplier convergence and continuity and compactness of summing operators. Zbl 1466.46007Karakuş, Mahmut; Başar, Feyzi 3 2020 On the paranormed space of bounded variation double sequences. Zbl 1452.46005Yeşilkayagil, Medine; Başar, Feyzi 2 2020 A generalization of almost convergence, completeness of some normed spaces with wuC series and a version of Orlicz-Pettis theorem. Zbl 1429.46009Karakuş, Mahmut; Başar, Feyzi 7 2019 A survey for the spectrum of triangles over sequence spaces. Zbl 07122690Yeşilkayagil, Medine; Başar, Feyzi 7 2019 On the paranormed space \(\mathcal{M}_{u}(t)\) of double sequences. Zbl 1424.46008Başar, Feyzi; Çapan, Hüsamettin 3 2019 On the difference spaces of almost convergent and strongly almost convergent double sequences. Zbl 1433.46005Çapan, Hüsamettin; Başar, Feyzi 3 2019 A note on some topological properties of Köthe space \(\lambda(P)\). Zbl 1474.46020Yeşılkayagıl, Medıne; Başar, Feyzı 1 2019 Domain of Euler mean in the space of absolutely \(p\)-summable double sequences with \(0 < p < 1\). Zbl 1438.46013Yesilkayagil, Medine; Basar, Feyzi 7 2018 Domain of Riesz mean in some spaces of double sequences. Zbl 1457.46009Yeşilkayagil, Medine; Başar, Feyzi 6 2018 On some spaces isomorphic to the space of absolutely \(q\)-summable double sequences. Zbl 1441.46001Çapan, Hüsamettin; Başar, Feyzi 5 2018 On the domains of backward difference matrix and the spaces of convergence of a series. Zbl 1412.46034Kama, Ramazan; Altay, Bilal; Basar, Feyzi 5 2018 On the paranormed space \(\mathcal{L}(t)\) of double sequences. Zbl 1499.40055Çapan, Hüsamettin; Başar, Feyzi 4 2018 Necessary and sufficient Tauberian conditions for the \(A^r\) method of summability. Zbl 1395.40002Talo, Özer; Başar, Feyzi 3 2018 A study on certain Köthe spaces. Zbl 1499.46024Yeşilkayagil, Medine; Başar, Feyzi 1 2018 On the domain of Riesz mean in the space \(\mathcal{L}_s^*\). Zbl 1488.46015Yeşilkayagil, Medine; Başar, Feyzi 12 2017 Domain of the Nörlund matrix in some of Maddox’s spaces. Zbl 1379.46010Yeşilkayagil, Medine; Başar, Feyzi 6 2017 On the paranormed spaces of regularly convergent double sequences. Zbl 1391.46007Başar, Feyzi; Çapan, Hüsamettin 5 2017 A survey on some paranormed sequence spaces. Zbl 1488.46012Malkowsky, Eberhard; Başar, Feyzi 4 2017 Note on Abel summability of double series. Zbl 1382.40016Yeşilkayagil, Medine; Başar, Feyzi 4 2017 Some topological properties of the spaces of almost null and almost convergent double sequences. Zbl 1424.46012Yeşilkayagil, Medine; Başar, Feyzi 15 2016 Euler-Cesàro difference spaces of bounded, convergent and null sequences. Zbl 1373.46003Başar, Feyzi; Braha, Naim L. 13 2016 A note on Riesz summability of double series. Zbl 1381.46010Yeşilkayagil, Medine; Başar, Feyzi 10 2016 On statistically convergent sequences of closed sets. Zbl 1456.40006Talo, Özer; Sever, Yurdal; Başar, Feyzi 10 2016 Some paranormed difference spaces of double sequences. Zbl 1376.46009Çapan, Hüsamettin; Başar, Feyzi 9 2016 On the spaces of Fibonacci difference absolutely \(p\)-summable, null and convergent sequences. Zbl 1424.11033Başarır, Metin; Başar, Feyzi; Kara, Emrah Evren 8 2016 On the spaces of Nörlund almost null and Nörlund almost convergent sequences. Zbl 1462.46009Tuğ, Orhan; Başar, Feyzi 8 2016 On the characterization of a class of four dimensional matrices and Steinhaus type theorems. Zbl 1459.40008Yeşilkayagil, M.; Başar, F. 7 2016 Mercerian theorem for four dimensional matrices. Zbl 1375.40010Yeşilkayagil, Medine; Başar, Feyzi 7 2016 On the spaces of Nörlund null and Nörlund convergent sequences. Zbl 1508.40006Tuǧ, Orhan; Başar, Feyzi 1 2016 On series of fuzzy numbers. Zbl 1367.40012Talo, Özer; Kadak, Uğur; Başar, Feyzi 1 2016 Spaces of \(A_\lambda\)-almost null and \(A_\lambda\)-almost convergent sequences. Zbl 1336.46009Yeşilkayagil, Medine; Başar, Feyzi 8 2015 Four dimensional dual and dual of the new sort summability methods. Zbl 1356.40003Yeşilkayagil, Medine; Başar, Feyzi 7 2015 Some sequence spaces and matrix transformations in multiplicative sense. Zbl 1350.40004Çakmak, A. F.; Başar, F. 7 2015 Domain of the double band matrix defined by Fibonacci numbers in the Maddox’s space \(\ell(p)\). Zbl 1463.46011Çapan, Hüsamettin; Başar, Feyzi 3 2015 On the fine spectrum of the generalized difference operator defined by a double sequential band matrix over the sequence space \(\ell_p, (1 < p < \infty)\). Zbl 1362.47018Başar, Feyzi; Karaisa, Ali 2 2015 Domain of Cesâro mean of order one in some spaces of double sequences. Zbl 1340.46011Mursaleen, Mohammad; Başar, Feyzi 16 2014 On the paranormed Nörlund sequence space of nonabsolute type. Zbl 1468.46014Yeşilkayagil, Medine; Başar, Feyzi 12 2014 Certain spaces of functions over the field of non-Newtonian complex numbers. Zbl 1470.26003Çakmak, Ahmet Faruk; Başar, Feyzi 10 2014 Domain of the double sequential band matrix \(B(\widetilde{r}, \widetilde{s})\) on some Maddox’s spaces. Zbl 1313.46013Özger, Faruk; Başar, Feyzi 10 2014 Some topological and geometric properties of the domain of the generalized difference matrix \(B(r, s)\) in the sequence space \(\ell(p)^\ast\). Zbl 1310.46008Aydın, Cafer; Başar, Feyzi 3 2014 On the slowly decreasing sequences of fuzzy numbers. Zbl 1286.40005Talo, Özer; Başar, Feyzi 15 2013 On the fine spectrum of the upper triangle double band matrix \({\Delta}^+\) on the sequence space \(c_0\). Zbl 1300.47012Dündar, Erdinç; Başar, Feyzi 15 2013 Certain sequence spaces over the non-Newtonian complex field. Zbl 1470.46010Tekin, Sebiha; Başar, Feyzi 12 2013 On the fine spectrum of the operator defined by the lambda matrix over the spaces of null and convergent sequences. Zbl 1315.47004Yeşilkayagil, Medine; Başar, Feyzi 10 2013 Fine spectra of upper triangular triple-band matrices over the sequence space \(\ell_p\) (\(0 < p < \infty\)). Zbl 1483.47061Karaisa, Ali; Başar, Feyzi 6 2013 On the domain of the triangle \(A(\lambda)\) on the spaces of null, convergent, and bounded sequences. Zbl 1303.40003Braha, Naim L.; Başar, Feyzi 5 2013 Survey on the domain of the matrix lambda in the normed and paranormed sequence spaces. Zbl 1333.46006Başar, Feyzi 4 2013 Some geometric properties of the domain of the double sequential band matrix \(B(\tilde{r}, \tilde{s})\) in the sequence space \(\ell(p)\). Zbl 1282.46020Nergiz, Havva; Başar, Feyzi 3 2013 On some sets of fuzzy-valued sequences with the level sets. Zbl 1292.54004Kadak, Uğur; Başar, Feyzi 3 2013 Regularly \((\mathcal I_2, \mathcal I)\)-convergence and regularly \((\mathcal I_2, \mathcal I)\)-Cauchy double sequences of fuzzy numbers. Zbl 1268.26034Dündar, Erdinç; Talo, Özer; Başar, Feyzi 3 2013 Domain of the double sequential band matrix \(B(\tilde{r}, \tilde{s})\) in the sequence space \(\ell(p)^\ast\). Zbl 1282.46010Nergiz, Havva; Başar, Feyzi 1 2013 Erratum to “Some geometric properties of the domain of the double sequential band matrix \(B(\tilde{r},\tilde{s})\) in the sequence space \(\ell(p)\)”. Zbl 1303.46018Nergiz, Havva; Başar, Feyzi 1 2013 Summability theory and its applications. With a foreword by M. Mursaleen. Zbl 1342.40001Başar, Feyzi 51 2012 Some new results on sequence spaces with respect to non-Newtonian calculus. Zbl 1279.26006Çakmak, Ahmet Faruk; Başar, Feyzi 16 2012 Generalized difference spaces of non-absolute type of convergent and null sequences. Zbl 1267.46017Sönmez, Abdulcabbar; Başar, Feyzi 12 2012 Some basic results on the sets of sequences with geometric calculus. Zbl 1290.30047Türkmen, Cengiz; Başar, Feyzi 11 2012 Power series of fuzzy numbers with real or fuzzy coefficients. Zbl 1289.26068Kadak, Uğur; Başar, Feyzi 7 2012 Domain of triple band matrix \(B(r,s,t)\) on some Maddox’s spaces. Zbl 1262.46003Başar, Feyzi; Çakmak, Ahmet Faruk 4 2012 Almost convergence and generalized difference matrix. Zbl 1217.40001Başar, Feyzi; Kirişçi, Murat 49 2011 The characterization of compact operators on spaces of strongly summable and bounded sequences. Zbl 1213.47019Başar, Feyzi; Malkowsky, Eberhard 16 2011 Subdivisions of the spectra for generalized difference operator over certain sequence spaces. Zbl 1285.47039Başar, Feyzi; Durna, Nuh; Yildirim, Mustafa 11 2011 A generalization of Orlicz sequence spaces by Cesàro mean of order one. Zbl 1265.46004Dutta, H.; Başar, F. 7 2011 Some new sequence spaces derived by the domain of generalized difference matrix. Zbl 1201.40001Kirişçi, Murat; Başar, Feyzi 61 2010 On the fine spectrum of the operator \(B(r,s,t)\) over the sequence spaces \(\ell_p\) and \(bv_p\),(\(1<p<\infty \)). Zbl 1222.47050Furkan, Hasan; Bilgiç, Hüseyin; Başar, Feyzi 33 2010 Quasilinearity of the classical sets of sequences of fuzzy numbers and some related results. Zbl 1230.46063Talo, Özer; Başar, Feyzi 10 2010 Certain spaces of sequences of fuzzy numbers defined by a modulus function. Zbl 1206.46067Talo, Özer; Başar, Feyzi 8 2010 The space \(\mathcal{L}_q\) of double sequences. Zbl 1168.46300Başar, Feyzi; Sever, Yurdal 39 2009 Determination of the duals of classical sets of sequences of fuzzy numbers and related matrix transformations. Zbl 1189.15003Talo, Özer; Başar, Feyzi 33 2009 Matrix transformations on some sequence spaces related to strong Cesàro summability and boundedness. Zbl 1171.40002Altay, Bilâl; Başar, Feyzi; Malkowsky, Eberhard 17 2009 Some generalizations of the space \(bv_{p}\) of \(p\)-bounded variation sequences. Zbl 1132.46002Başar, F.; Altay, B.; Mursaleen, M. 27 2008 Matrix transformations on the matrix domains of triangles in the spaces of strongly \(C_{1}\)-summable and bounded sequences. Zbl 1164.46003Başar, Feyzi; Malkowsky, Eberhard; Altay, Bilâl 23 2008 The fine spectra of the Cesàro operator \(C_1\) over the sequence space \(bv_p\), \((1\leq p<\infty)\). Zbl 1146.47018Akhmedov, Ali M.; Başar, Feyzi 14 2008 On the space \(bv_p(F)\) of sequences of \(p\)-bounded variation of fuzzy numbers. Zbl 1162.46041Talo, Özer; Basşar, Feyzi 14 2008 Generalization of the sequence space \(\ell (p)\) derived by weighted mean. Zbl 1116.46003Altay, Bilâl; Başar, Feyzi 69 2007 The fine spectrum and the matrix domain of the difference operator \(\Delta\) on the sequence space \(l_{p},\;(0<p<1)\). Zbl 1173.47021Altay, Bilâl; Başar, Feyzi 68 2007 Some Euler spaces of difference sequences of order \(m\). Zbl 1246.46007Polat, Harun; Başar, Feyzi 38 2007 The fine spectra of the difference operator \(\Delta\) over the sequence space \(bv_p\), \((1\leq p<\infty)^*\). Zbl 1134.47025Akhmedov, Ali M.; Başar, F. 34 2007 On the Euler sequence spaces which include the spaces \(\ell_{p}\) and \(\ell_{\infty}\). I. Zbl 1101.46015Altay, B.; Başar, F.; Mursaleen, M. 99 2006 On the Euler sequence spaces which include the spaces \(\ell _{p}\) and \(\ell _{\infty}\). II. Zbl 1108.46019Mursaleen, M.; Başar, F.; Altay, B. 60 2006 Some paranormed sequence spaces of non-absolute type derived by weighted mean. Zbl 1105.46005Altay, Bilâl; Başar, Feyzi 30 2006 On the fine spectra of the difference operator \(\Delta\) over the sequence space \(\ell_p\) \((1\leq p<\infty)\). Zbl 1118.47303Akhmedov, Ali M.; Başar, Feyzi 26 2006 Some paranormed Riesz sequence spaces of non-absolute type. Zbl 1118.46009Altay, Bilâl; Başar, Feyzi 26 2006 Some new spaces of double sequences. Zbl 1093.46004Altay, Bilâl; Başar, Feyzi 67 2005 Some Euler sequence spaces of nonabsolute type. Zbl 1096.46011Altay, B.; Başar, F. 65 2005 On the fine spectrum of the generalized difference operator \(B(r,s)\) over the sequence spaces \(c_0\) and \(c\). Zbl 1098.39013Altay, Bilâl; Başar, Feyzi 60 2005 Some new sequence spaces which include the spaces \(\ell_p\) and \(\ell_\infty\). Zbl 1096.46005Aydın, Cafer; Başar, Feyzi 37 2005 Some new Cesàro sequence spaces of non-absolute type which include the spaces \(c_0\) and \(c\). Zbl 1085.46500Şengönül, Mehmet; Başar, Feyzi 36 2005 On the fine spectrum of the difference operator \(\Delta\) on \(c_{0}\) and \(c\). Zbl 1085.47041Altay, Bilâl; Başar, Feyzi 57 2004 Some new difference sequence spaces. Zbl 1072.46007Aydın, Cafer; Başar, Feyzı 43 2004 ...and 12 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 329 Authors 53 Başar, Feyzi 47 Mursaleen, Mohammad 34 Bakery, Awad A. 29 Baliarsingh, Pinakadhar 24 Hazarika, Bipan 23 Yaying, Taja 21 Mohiuddine, Syed Abdul 21 Raj, Kuldip 20 Kadak, Ugur 17 Et, Mikail 17 Roopaei, Hadi 15 Talebi, Gholamreza 14 Alotaibi, Abdullah M. 14 Malkowsky, Eberhard 14 Srivastava, Parmeshwary Dayal 13 Altay, Bilâl 13 Dutta, Salila 13 Mohamed, OM Kalthum S. K. 13 Yeşilkayagil, Medine 12 Altinok, Hifsi 12 Demiriz, Serkan 12 Sarigöl, Mehmet Ali 12 Subramanian, Nagarajan 12 Talo, Özer 11 Dündar, Erdinç 11 Dutta, Hemen 11 Kara, Emrah Evren 10 Basarir, Metin 10 Karakaya, Vatan 10 Khan, Vakeel A. 10 Tripathy, Binod Chandra 9 Braha, Naim Latif 9 İlkhan, Merve 9 Kirişçi, Murat 9 Sharma, Sunil Kumar 8 Altin, Yavuz 8 Bişgin, Mustafa Cemil 8 Gökçe, Fadime 8 Meng, Jian 8 Noman, Abdullah Kaid 8 Saǧir, Birsen 7 Đolović, Ivana 7 El-Shabrawy, Saad R. 7 Furkan, Hasan 7 Tuğ, Orhan 7 Yavuz, Enes 6 Altun, Muhammed 6 Çanak, İbrahim 6 Çolak, Rifat 6 de Malafosse, Bruno 6 Durna, Nuh 6 Esi, Ayhan 6 Gurdal, Mehmet 6 Hazar Güleç, Güllü Canan 6 Mohamed, Elsayed A. E. 6 Şimşek, Necip 6 Sönmez, Abdulcabbar 6 Ulusu, Uǧur 5 Bilgiç, Hüseyin 5 Çakan, Celal 5 Çapan, Hüsamettin 5 Dağli, Muhammet Cihat 5 Das, Anupam 5 Das, Rituparna 5 Huban, Mualla Birgül 5 İlkhan Kara, Merve 5 Isik, Mahmut 5 Kama, Ramazan 5 Karaisa, Ali 5 Kışı, Ömer 5 Mohammed, Mustafa M. 5 Patra, Arnab 5 Paul, Avinoy 5 Ricker, Werner Joseph 5 Savaş, Ekrem 4 Abou Elmatty, Afaf R. 4 Akhmedov, Ali M. 4 Akin, Nimet Pancaroglu 4 Beuria, Prasanta 4 Bhardwaj, Vinod Kumar 4 Birbonshi, Riddhick 4 Değirmen, Nilay 4 Erdem, Sezer 4 Gogoi, Jyotishmaan 4 Jasrotia, Swati 4 Karakuş, Mahmut 4 Manna, Atanu 4 Mei, Liquan 4 Paikray, Susanta Kumar 4 Samantaray, Saurav 4 Sharma, Charu 4 Song, Meimei 3 Albanese, Angela Anna 3 Bektaş, Çiğdem Asma 3 Bonet Solves, José 3 Çakmak, Ahmet Faruk 3 Candan, Murat 3 Dehghan, Mohammad Ali 3 El Dewaik, M. H. 3 Foroutannia, Davoud ...and 229 more Authors all top 5 Cited in 131 Serials 60 Journal of Inequalities and Applications 38 Abstract and Applied Analysis 28 Journal of Function Spaces 18 Journal of Mathematical Analysis and Applications 18 Applied Mathematics and Computation 18 Soft Computing 17 Filomat 16 Boletim da Sociedade Paranaense de Matemática. Terceira Série 15 Linear and Multilinear Algebra 13 Proyecciones 12 Computers & Mathematics with Applications 12 Numerical Functional Analysis and Optimization 12 Afrika Matematika 10 Mathematica Slovaca 10 Journal of the Egyptian Mathematical Society 9 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 8 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences 7 Results in Mathematics 7 The Journal of Analysis 7 Advances in Difference Equations 7 Journal of Mathematics 6 Ukrainian Mathematical Journal 6 Rendiconti del Circolo Matemàtico di Palermo. Serie II 6 Mathematical and Computer Modelling 6 Kragujevac Journal of Mathematics 6 Journal of Intelligent and Fuzzy Systems 6 Asian-European Journal of Mathematics 6 Bulletin of Mathematical Analysis and Applications 5 Demonstratio Mathematica 5 Facta Universitatis. Series Mathematics and Informatics 5 Indagationes Mathematicae. New Series 5 Positivity 5 Korean Journal of Mathematics 4 Rocky Mountain Journal of Mathematics 4 Information Sciences 4 The Journal of the Indian Mathematical Society. New Series 4 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 4 Applied Mathematics Letters 4 Turkish Journal of Mathematics 4 Acta Mathematica Sinica. English Series 4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 4 Journal of Function Spaces and Applications 4 Operators and Matrices 4 International Journal of Analysis 4 Transactions of A. Razmadze Mathematical Institute 3 Gaṇita 3 International Journal of Mathematics and Mathematical Sciences 3 Kyungpook Mathematical Journal 3 Discrete Dynamics in Nature and Society 3 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 3 Complex Analysis and Operator Theory 3 Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica 3 Journal of Applied Mathematics & Informatics 3 Palestine Journal of Mathematics 3 Mathematical Sciences 3 Journal of Classical Analysis 3 Electronic Journal of Mathematical Analysis and Applications EJMAA 3 Advances in Operator Theory 3 AIMS Mathematics 2 Fasciculi Mathematici 2 Fuzzy Sets and Systems 2 Quaestiones Mathematicae 2 Acta Mathematica Universitatis Comenianae. New Series 2 Vietnam Journal of Mathematics 2 Fractional Calculus & Applied Analysis 2 Analysis (München) 2 Applied Mathematics E-Notes 2 Acta Mathematica Scientia. Series B. (English Edition) 2 Mediterranean Journal of Mathematics 2 Applications and Applied Mathematics 2 Tbilisi Mathematical Journal 2 Acta Universitatis Sapientiae. Mathematica 2 TWMS Journal of Pure and Applied Mathematics 2 Journal of Mathematical Extension 2 Problemy Analiza. Issues of Analysis 2 Open Mathematics 2 Cogent Mathematics 1 Analysis Mathematica 1 Communications in Algebra 1 Periodica Mathematica Hungarica 1 Chaos, Solitons and Fractals 1 Acta Scientiarum Mathematicarum 1 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 1 Integral Equations and Operator Theory 1 Journal of Computational and Applied Mathematics 1 Journal of Functional Analysis 1 Matematički Vesnik 1 Acta Applicandae Mathematicae 1 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 1 Communications in Statistics. Theory and Methods 1 International Journal of Computer Mathematics 1 Linear Algebra and its Applications 1 Tatra Mountains Mathematical Publications 1 International Applied Mechanics 1 Computational and Applied Mathematics 1 Georgian Mathematical Journal 1 Bulletin des Sciences Mathématiques 1 The Journal of Fourier Analysis and Applications 1 Arab Journal of Mathematical Sciences 1 Journal of Applied Analysis ...and 31 more Serials all top 5 Cited in 29 Fields 389 Functional analysis (46-XX) 357 Sequences, series, summability (40-XX) 216 Operator theory (47-XX) 82 Real functions (26-XX) 26 Number theory (11-XX) 23 Approximations and expansions (41-XX) 21 General topology (54-XX) 16 Linear and multilinear algebra; matrix theory (15-XX) 16 Difference and functional equations (39-XX) 10 Mathematical logic and foundations (03-XX) 7 Harmonic analysis on Euclidean spaces (42-XX) 6 Ordinary differential equations (34-XX) 6 Numerical analysis (65-XX) 4 Functions of a complex variable (30-XX) 3 Measure and integration (28-XX) 3 Special functions (33-XX) 3 Statistics (62-XX) 2 Integral equations (45-XX) 1 General and overarching topics; collections (00-XX) 1 Combinatorics (05-XX) 1 General algebraic systems (08-XX) 1 Integral transforms, operational calculus (44-XX) 1 Differential geometry (53-XX) 1 Probability theory and stochastic processes (60-XX) 1 Computer science (68-XX) 1 Mechanics of deformable solids (74-XX) 1 Operations research, mathematical programming (90-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Information and communication theory, circuits (94-XX) Citations by Year