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Altun, Ishak

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Author ID: altun.ishak Recent zbMATH articles by "Altun, Ishak"
Published as: Altun, I.; Altun, Ishak; Altun, İ.; Altun, İshak
External Links: ORCID
Documents Indexed: 142 Publications since 2005
all top 5

Serials

7 Filomat
6 Journal of Fixed Point Theory and Applications
5 Fixed Point Theory and Applications
4 Nonlinear Analysis. Modelling and Control
4 Carpathian Journal of Mathematics
4 Journal of Nonlinear Science and Applications
3 Topology and its Applications
3 Communications of the Korean Mathematical Society
3 Hacettepe Journal of Mathematics and Statistics
3 Miskolc Mathematical Notes
2 Fasciculi Mathematici
2 Kyungpook Mathematical Journal
2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
2 The Journal of Fuzzy Mathematics
2 Mathematical Communications
2 Vietnam Journal of Mathematics
2 Abstract and Applied Analysis
2 Taiwanese Journal of Mathematics
2 Journal of Inequalities and Applications
2 Italian Journal of Pure and Applied Mathematics
2 Journal of Nonlinear and Convex Analysis
2 Nonlinear Functional Analysis and Applications
2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
2 Acta Universitatis Apulensis. Mathematics - Informatics
2 Journal of Intelligent and Fuzzy Systems
2 Fixed Point Theory
2 Applicable Analysis and Discrete Mathematics
2 Journal of Advanced Mathematical Studies
2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
1 Computers & Mathematics with Applications
1 Applied Mathematics and Computation
1 Ars Combinatoria
1 Demonstratio Mathematica
1 Indian Journal of Mathematics
1 International Journal of Mathematics and Mathematical Sciences
1 Matematički Vesnik
1 Mathematica Slovaca
1 Publicationes Mathematicae
1 Rendiconti del Circolo Matemàtico di Palermo. Serie II
1 Rendiconti del Seminario Matematico della Università di Padova
1 Tamkang Journal of Mathematics
1 Southeast Asian Bulletin of Mathematics
1 Bulletin of the Korean Mathematical Society
1 Acta Mathematica Hungarica
1 Bulletin of the Iranian Mathematical Society
1 Applied Mathematics Letters
1 Topological Methods in Nonlinear Analysis
1 Bulletin of the Belgian Mathematical Society - Simon Stevin
1 Turkish Journal of Mathematics
1 Boletín de la Sociedad Matemática Mexicana. Third Series
1 Analele Ştiinţifice ale Universităţii “Ovidius” Constanţa. Seria: Matematică
1 Novi Sad Journal of Mathematics
1 Journal of Computational Analysis and Applications
1 Communications in Nonlinear Science and Numerical Simulation
1 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis
1 Applied Mathematics E-Notes
1 Thai Journal of Mathematics
1 Journal of Function Spaces and Applications
1 Complex Variables and Elliptic Equations
1 Kochi Journal of Mathematics
1 Banach Journal of Mathematical Analysis
1 Creative Mathematics and Informatics
1 Bulletin of Mathematical Analysis and Applications
1 Applied General Topology
1 International Journal of Nonlinear Analysis and Applications
1 Arabian Journal for Science and Engineering
1 Communications in Mathematics
1 Arabian Journal of Mathematics
1 ISRN Computational Mathematics
1 Journal of Nonlinear Analysis and Optimization: Theory & Applications
1 Mathematical Sciences
1 Carpathian Mathematical Publications
1 Kuwait Journal of Science
1 Journal of Function Spaces
1 Sahand Communications in Mathematical Analysis
1 Open Mathematics
1 Korean Journal of Mathematics

Publications by Year

Citations contained in zbMATH Open

103 Publications have been cited 1,206 times in 731 Documents Cited by Year
Generalized contractions on partial metric spaces. Zbl 1207.54052
Altun, Ishak; Sola, Ferhan; Simsek, Hakan
151
2010
Some fixed point theorems on ordered metric spaces and application. Zbl 1197.54053
Altun, Ishak; Simsek, Hakan
108
2010
Fixed point theorems for monotone mappings on partial metric spaces. Zbl 1207.54051
Altun, Ishak; Erduran, Ali
104
2011
Fixed point and common fixed point theorems on ordered cone metric spaces. Zbl 1197.54052
Altun, Ishak; Damjanović, Boško; Djorić, Dragan
75
2010
Some fixed point theorems on ordered cone metric spaces. Zbl 1184.54038
Altun, Ishak; Durmaz, Gonca
42
2009
Coupled fixed point theorems for contractions in fuzzy metric spaces. Zbl 1180.54060
Sedghi, Shaban; Altun, Ishak; Shobe, Nabi
41
2010
Some fixed point theorems on dualistic partial metric spaces. Zbl 1172.54318
Altun, Ishak; Simsek, Hakan
39
2008
Fixed points of weakly compatible maps satisfying a general contractive condition of integral type. Zbl 1153.54022
Altun, Ishak; Türkoğlu, Duran; Rhoades, Billy E.
37
2007
Ćirić type generalized \(F\)-contractions on complete metric spaces and fixed point results. Zbl 06704835
Mınak, Gülhan; Helvacı, Asuman; Altun, Ishak
34
2014
Some coincidence point results in ordered \(b\)-metric spaces and applications in a system of integral equations. Zbl 1354.45010
Roshan, J. R.; Parvaneh, V.; Altun, I.
31
2014
Fixed point theorems for generalized weakly contractive condition in ordered metric spaces. Zbl 1213.54070
Nashine, Hemant Kumar; Altun, Ishak
25
2011
Multivalued \(F\)-contractions on complete metric spaces. Zbl 1315.54032
Altun, Ishak; Minak, Gülhan; Dağ, Hacer
23
2015
Fixed point theorems for weak contractions in the sense of Berinde on partial metric spaces. Zbl 1262.54015
Altun, Ishak; Acar, Özlem
22
2012
Some fixed point theorems for weakly compatible mappings satisfying an implicit relation. Zbl 1194.54055
Altun, Ishak; Turkoglu, Duran
22
2009
Corrigendum to “Generalized contractions on partial metric spaces” [Topology Appl. 157 (2010) 2778-2785]. Zbl 1226.54041
Altun, I.; Sadarangani, K.
16
2011
A fixed point theorem for multi-valued mappings and its applications to integral inclusions. Zbl 1130.47057
Turkoglu, D.; Altun, I.
16
2007
Some new generalizations of Mizoguchi-Takahashi type fixed point theorem. Zbl 1293.54030
Mınak, Gülhan; Altun, Ishak
14
2013
Characterizations of partial metric completeness in terms of weakly contractive mappings having fixed point. Zbl 1289.54112
Altun, Ishak; Romaguera, Salvador
14
2012
Ordered cone metric spaces and fixed point results. Zbl 1201.65084
Altun, Ishak; Rakočević, Vladimir
14
2010
A new approach to Mizoguchi-Takahashi type fixed point theorems. Zbl 1352.54034
Olgun, Murat; Minak, Gülhan; Altun, Ishak
12
2016
Some generalizations of Caristi type fixed point theorem on partial metric spaces. Zbl 1289.54110
Acar, Özlem; Altun, Ishak
12
2012
Some fixed point theorems for weakly compatible multivalued mappings satisfying an implicit relation. Zbl 1199.54202
Altun, Ishak; Turkoglu, Duran
12
2008
Fixed points of ordered \(F\)-contractions. Zbl 1347.54074
Durmaz, Gonca; Mınak, Gülhan; Altun, Ishak
11
2016
Some fixed point theorems for single and multivalued mappings on ordered non-Archimedean fuzzy metric spaces. Zbl 1204.54025
Altun, I.
11
2010
Ordered non-Archimedean fuzzy metric spaces and some fixed point results. Zbl 1191.54033
Altun, Ishak; Miheţ, Dorel
11
2010
Common fixed point Theorems for non compatible mappings in fuzzy metric spaces. Zbl 1175.54048
Abbas, Mujahid; Altun, Ishak; Gopal, Dhananjay
11
2009
On a new class of multivalued weakly Picard operators on complete metric spaces. Zbl 1357.54029
Altun, Ishak; Olgun, Murat; Mınak, Gülhan
10
2015
Common fixed point of mappings satisfying almost generalized \((S,T)\)-contractive condition in partially ordered partial metric spaces. Zbl 1286.54055
Shobkolaei, N.; Sedghi, S.; Roshan, J. R.; Altun, I.
10
2012
Classification of completeness of quasi metric space and some fixed point results. Zbl 1378.54041
Altun, Ishak; Mınak, Gülhan; Olgun, Murat
9
2017
On a broad category of multivalued weakly Picard operators. Zbl 1360.54032
Hançer, Hatice Aslan; Mınak, Gülhan; Altun, Ishak
9
2017
Lyapunov-type inequalities for a fractional \(p\)-Laplacian equation. Zbl 1346.34004
Al Arifi, Nassir; Altun, Ishak; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
9
2016
A fixed point theorem for multivalued mappings with \(\delta\)-distance. Zbl 07022493
Acar, Özlem; Altun, Ishak
9
2014
Multivalued almost \(F\)-contractions on complete metric spaces. Zbl 06749699
Altun, Ishak; Durmaz, Gonca; Mınak, Gülhan; Romaguera, Salvador
8
2016
A new approach to fixed point theorems for multivalued contractive maps. Zbl 1349.54111
Minak, Gülhan; Olgun, Murat; Altun, Ishak
8
2015
A common fixed point theorem on ordered metric spaces. Zbl 1297.54093
Nashine, Hemant Kumar; Altun, Ishak
8
2012
A common fixed point theorem for weakly compatible mappings in symmetric spaces satisfying an implicit relation. Zbl 1171.54342
Turkoglu, Duran; Altun, Ishak
8
2007
A fixed point theorem for mappings satisfying a general contractive condition of operator type. Zbl 1122.54020
Altun, Ishak; Turkoglu, Duran
8
2007
Some fixed point results for multivalued \(F\)-contractions on quasi metric spaces. Zbl 1356.54043
Dağ, H.; Mınak, G.; Altun, I.
7
2017
A new approach to the Assad-Kirk fixed point theorem. Zbl 1353.54028
Altun, Ishak; Olgun, Murat; Mınak, Gülhan
7
2016
Some properties of \(S\)-metric spaces and fixed point results. Zbl 1295.54084
Sedghi, Shaban; Altun, Ishak; Shobe, Nabi; Salahshour, Mohammad Ali
7
2014
Carisi’s type mappings on complete partial metric spaces. Zbl 1282.54027
Acar, Özlem; Altun, Ishak; Romaguera, Salvador
7
2013
Weak partial metric spaces and some fixed point results. Zbl 1256.54068
Altun, I.; Durmaz, G.
7
2012
Vector metric spaces and some properties. Zbl 1201.54027
Çevik, Cüneyt; Altun, Ishak
7
2009
A fixed point theorem for multi-maps satisfying an implicit relation on metric spaces. Zbl 1199.54245
Sedghi, S.; Altun, I.; Shobe, N.
7
2008
A Suzuki type fixed-point theorem. Zbl 1420.54064
Altun, Ishak; Erduran, Ali
6
2011
Fixed point and homotopy results for multivalued maps satisfying an implicit relation. Zbl 1205.54036
Altun, Ishak
6
2011
Some fixed point theorems for weakly compatible multivalued mappings satisfying some general contractive conditions of integral type. Zbl 1217.54035
Altun, I.; Turkoglu, D.
6
2010
A common fixed point theorem for multivalued Ćirić type mappings with new type compatibility. Zbl 1199.54201
Altun, Ishak
6
2009
Some fixed point results on weak partial metric spaces. Zbl 1324.54068
Durmaz, Gonca; Acar, Özlem; Altun, Ishak
5
2013
Fixed point theorems for Ćirić-type strong almost contractions on partial metric spaces. Zbl 1266.54082
Acar, Özlem; Berinde, Vasile; Altun, Ishak
5
2012
Fixed point theorems for generalized \(\varphi\)-weak contractive multivalued maps on metric and ordered metric spaces. Zbl 1297.54079
Altun, Ishak
5
2011
Common coupled fixed-point theorems in generalized fuzzy metric spaces. Zbl 1235.54050
Rao, K. P. R.; Altun, I.; Bindu, S. Hima
5
2011
Common fixed point theorem for maps satisfying a general contractive condition of integral type. Zbl 1212.54111
Altun, Ishak
5
2010
Some fixed point theorems on ordered uniform space. Zbl 1265.54151
Altun, Ishak; Imdad, Mohammad
5
2009
A fixed fuzzy point for fuzzy mappings in complete metric spaces. Zbl 1157.54310
Sedghi, Shaban; Shobe, Nabi; Altun, Ishak
5
2008
A fixed point theorem for multi-maps satisfying an implicit relation on metrically convex metric spaces. Zbl 1105.54303
Altun, I.; Hancer, H. A.; Turkoglu, D.
5
2006
Feng-Liu type fixed point results for multivalued mappings on JS-metric spaces. Zbl 1347.54066
Altun, Ishak; Al Arifi, Nasir; Jleli, Mohammed; Lashin, Aref; Samet, Bessem
4
2016
On fixed point theorems for multivalued mappings of Feng-Liu type. Zbl 1332.54205
Altun, Ishak; Minak, Gülhan
4
2015
Fixed point theorems for weakly contractive mappings on \(G\)-metric spaces and a homotopy result. Zbl 1281.54023
Erduran, A.; Altun, I.
4
2012
Some fixed point theorems on fuzzy metric spaces with implicit relations. Zbl 1168.54326
Altun, Ishak; Turkoglu, Duran
4
2008
Fixed point and homotopy result for mappings satisfying an implicit relation. Zbl 1152.54350
Altun, I.; Turkoglu, D.
4
2007
Two fixed point results for multivalued \(F\)-contractions on \(M\)-metric spaces. Zbl 07092215
Sahin, Hakan; Altun, Ishak; Turkoglu, Duran
3
2019
Fixed points of multivalued nonlinear \(F\)-contractions on complete metric spaces. Zbl 1420.54065
Altun, Ishak; Mınak, Gülhan; Olgun, Murat
3
2016
Overall approach to Mizoguchi-Takahashi type fixed point results. Zbl 1424.54092
Minak, Gülhan; Altun, Ishak
3
2016
On a general class of weakly Picard operators. Zbl 1340.54054
Altun, Ishak; Hançer, Hatice Aslan; Minak, Gülhan
3
2015
Recent developments about multivalued weakly Picard operators. Zbl 1326.54046
Minak, Gülhan; Altun, Ishak; Romaguera, Salvador
3
2015
New fixed point results for maps satisfying implicit relations on ordered metric spaces and application. Zbl 1334.54069
Nashine, Hemant Kumar; Altun, Ishak
3
2014
Multivalued pseudo-Picard operators and fixed point results. Zbl 1440.54037
Mınak, Gülhan; Acar, Özlem; Altun, Ishak
3
2013
Fixed point theorems and asymptotically regular mappings in partial metric spaces. Zbl 1268.54034
Shukla, Satish; Altun, Ishak; Sen, Ravindra
3
2013
Some fixed point theorems for mappings satisfying contractive condition of integral type on \(d\)-complete topological spaces. Zbl 1184.54039
Altun, Ishak; Turkoglu, Duran
3
2009
Fixed point results for \(\alpha\)-admissible multivalued \(F\)-contractions. Zbl 1389.54086
Durmaz, G.; Altun, I.
2
2016
A new approach for the approximations of solutions to a common fixed point problem in metric fixed point theory. Zbl 06653048
Altun, Ishak; Al Arifi, Nassir; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
2
2016
A new concept of \((\alpha ,F_d)\)-contraction on quasi metric space. Zbl 1341.54025
Altun, Ishak; Al Arifi, Nasir; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
2
2016
Common fixed points of Ćirić-type contractions on partial metric spaces. Zbl 1299.54074
Abbas, Mujahid; Altun, Ishak; Romaguera, Salvador
2
2013
Generalized Geraghty type mappings on partial metric spaces and fixed point results. Zbl 1276.54030
Altun, Ishak; Sadarangani, Kishin
2
2013
Fixed point theorems for a pair of mappings satisfying a generalized weakly contractive condition in ordered metric spaces. Zbl 1278.54041
Nashine, Hemant Kumar; Altun, Ishak
2
2012
Some common fixed point theorems in vector metric spaces. Zbl 1289.54111
Altun, Ishak; Çevik, Cüneyt
2
2011
Common fixed point theorems for weakly increasing mappings on ordered uniform spaces. Zbl 1240.54116
Altun, Ishak
2
2011
On compatible mappings of type \((I)\) and \((II)\) in intuitionistic fuzzy metric spaces. Zbl 1168.54324
Alaca, Cihangir; Altun, Ishak; Turkoglu, Duran
2
2008
Fixed point results for Perov type \(F\)-contractions and an application. Zbl 1439.54023
Altun, Ishak; Olgun, Murat
1
2020
On nonlinear set-valued \(\theta\)-contractions. Zbl 1432.54056
Durmaz, Gonca; Altun, Ishak
1
2020
Common fixed point of a power graphic \((F,\psi)\)-contraction pair on partial \(b\)-metric spaces with application. Zbl 1420.54092
Singh, Deepak; Chauhan, Varsha; Altun, Ishak
1
2017
Fixed point theorems for weakly contractive mappings on \(S\)-metric spaces and a homotopy result. Zbl 1414.54034
Rezaee, Mohammad Mahdi; Shahraki, Mahryam; Sedghi, Shaban; Altun, Ishak
1
2017
Some fixed point theorems for contractive mapping in ordered vector metric spaces. Zbl 1412.47103
Çevik, Cüneyt; Altun, Ishak; Şahin, Hakan; Özeken, Çetin Cemal
1
2017
Fixed points of \(F\)-contractive type fuzzy mappings. Zbl 1422.54055
Mınak, Gülhan; Altun, Ishak; Olgun, Murat
1
2017
Nonlinear proximinal multivalued contractions on quasi-metric spaces. Zbl 1378.54040
Altun, Ishak; Dağ, Hacer
1
2017
A new sequence realizing Lucas numbers, and the Lucas bound. Zbl 1371.11042
Özkan, E.; Geçer, A.; Altun, İ.
1
2017
On the effect of \(\alpha\)-admissibility and \(\alpha\)-contractivity to the existence of fixed points of multivalued mappings. Zbl 1420.54079
Mınak, Gülhan; Altun, Ishak
1
2016
Fixed-point theorems for integral-type contractions on partial metric spaces. Zbl 07030388
Sabetghadam, F.; Masiha, H. P.; Altun, I.
1
2016
An extension of Assad-Kirk’s fixed point theorem for multivalued nonself mappings. Zbl 1399.54079
Altun, Ishak; Minak, Gülhan
1
2016
Partial fuzzy metric space and some fixed point results. Zbl 1337.54047
Sedghi, Shaban; Shobkolaei, Nabi; Altun, Ishak
1
2015
Multivalued almost contractions in metric space endowed with a graph. Zbl 1349.54079
Altun, Ishak; Acar, Özlem
1
2015
A related fixed point theorem for maps in two S-complete Hausdorff uniform spaces. Zbl 1306.54056
Shobkolaei, Nabi; Sedghi, Shaban; Roshan, Jamal R.; Altun, Ishak
1
2014
Mizoguchi-Takahashi type fixed point theorem on partial metric spaces. Zbl 1369.54028
Altun, Ishak; Minak, Gülhan
1
2014
Multivalued weakly Picard operators on partial metric spaces. Zbl 1294.54031
Mınak, Gülhan; Altun, Ishak
1
2014
Common fixed point theorems of integral type in Menger PM spaces. Zbl 1413.54098
Altun, I.; Tanveer, M.; Imdad, M.
1
2012
Some properties of \(T\)-metric spaces and a common fixed point theorem. Zbl 1256.54080
Sedghi, S.; Altun, I.; Shobe, N.
1
2012
A fixed point theorem on cone metric spaces with new type contractivity. Zbl 1223.54053
Altun, Ishak; Abbas, Mujahid; Simsek, Hakan
1
2011
Fixed points of sequences of maps on fuzzy metric spaces. Zbl 1172.54319
Altun, Ishak; Turkoglu, Duran
1
2008
Fixed point theorem for multivalued mappings satisfying an implicit relation. Zbl 1172.54339
Turkoglu, Duran; Altun, Ishak
1
2008
Fixed point results for Perov type \(F\)-contractions and an application. Zbl 1439.54023
Altun, Ishak; Olgun, Murat
1
2020
On nonlinear set-valued \(\theta\)-contractions. Zbl 1432.54056
Durmaz, Gonca; Altun, Ishak
1
2020
Two fixed point results for multivalued \(F\)-contractions on \(M\)-metric spaces. Zbl 07092215
Sahin, Hakan; Altun, Ishak; Turkoglu, Duran
3
2019
Classification of completeness of quasi metric space and some fixed point results. Zbl 1378.54041
Altun, Ishak; Mınak, Gülhan; Olgun, Murat
9
2017
On a broad category of multivalued weakly Picard operators. Zbl 1360.54032
Hançer, Hatice Aslan; Mınak, Gülhan; Altun, Ishak
9
2017
Some fixed point results for multivalued \(F\)-contractions on quasi metric spaces. Zbl 1356.54043
Dağ, H.; Mınak, G.; Altun, I.
7
2017
Common fixed point of a power graphic \((F,\psi)\)-contraction pair on partial \(b\)-metric spaces with application. Zbl 1420.54092
Singh, Deepak; Chauhan, Varsha; Altun, Ishak
1
2017
Fixed point theorems for weakly contractive mappings on \(S\)-metric spaces and a homotopy result. Zbl 1414.54034
Rezaee, Mohammad Mahdi; Shahraki, Mahryam; Sedghi, Shaban; Altun, Ishak
1
2017
Some fixed point theorems for contractive mapping in ordered vector metric spaces. Zbl 1412.47103
Çevik, Cüneyt; Altun, Ishak; Şahin, Hakan; Özeken, Çetin Cemal
1
2017
Fixed points of \(F\)-contractive type fuzzy mappings. Zbl 1422.54055
Mınak, Gülhan; Altun, Ishak; Olgun, Murat
1
2017
Nonlinear proximinal multivalued contractions on quasi-metric spaces. Zbl 1378.54040
Altun, Ishak; Dağ, Hacer
1
2017
A new sequence realizing Lucas numbers, and the Lucas bound. Zbl 1371.11042
Özkan, E.; Geçer, A.; Altun, İ.
1
2017
A new approach to Mizoguchi-Takahashi type fixed point theorems. Zbl 1352.54034
Olgun, Murat; Minak, Gülhan; Altun, Ishak
12
2016
Fixed points of ordered \(F\)-contractions. Zbl 1347.54074
Durmaz, Gonca; Mınak, Gülhan; Altun, Ishak
11
2016
Lyapunov-type inequalities for a fractional \(p\)-Laplacian equation. Zbl 1346.34004
Al Arifi, Nassir; Altun, Ishak; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
9
2016
Multivalued almost \(F\)-contractions on complete metric spaces. Zbl 06749699
Altun, Ishak; Durmaz, Gonca; Mınak, Gülhan; Romaguera, Salvador
8
2016
A new approach to the Assad-Kirk fixed point theorem. Zbl 1353.54028
Altun, Ishak; Olgun, Murat; Mınak, Gülhan
7
2016
Feng-Liu type fixed point results for multivalued mappings on JS-metric spaces. Zbl 1347.54066
Altun, Ishak; Al Arifi, Nasir; Jleli, Mohammed; Lashin, Aref; Samet, Bessem
4
2016
Fixed points of multivalued nonlinear \(F\)-contractions on complete metric spaces. Zbl 1420.54065
Altun, Ishak; Mınak, Gülhan; Olgun, Murat
3
2016
Overall approach to Mizoguchi-Takahashi type fixed point results. Zbl 1424.54092
Minak, Gülhan; Altun, Ishak
3
2016
Fixed point results for \(\alpha\)-admissible multivalued \(F\)-contractions. Zbl 1389.54086
Durmaz, G.; Altun, I.
2
2016
A new approach for the approximations of solutions to a common fixed point problem in metric fixed point theory. Zbl 06653048
Altun, Ishak; Al Arifi, Nassir; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
2
2016
A new concept of \((\alpha ,F_d)\)-contraction on quasi metric space. Zbl 1341.54025
Altun, Ishak; Al Arifi, Nasir; Jleli, Mohamed; Lashin, Aref; Samet, Bessem
2
2016
On the effect of \(\alpha\)-admissibility and \(\alpha\)-contractivity to the existence of fixed points of multivalued mappings. Zbl 1420.54079
Mınak, Gülhan; Altun, Ishak
1
2016
Fixed-point theorems for integral-type contractions on partial metric spaces. Zbl 07030388
Sabetghadam, F.; Masiha, H. P.; Altun, I.
1
2016
An extension of Assad-Kirk’s fixed point theorem for multivalued nonself mappings. Zbl 1399.54079
Altun, Ishak; Minak, Gülhan
1
2016
Multivalued \(F\)-contractions on complete metric spaces. Zbl 1315.54032
Altun, Ishak; Minak, Gülhan; Dağ, Hacer
23
2015
On a new class of multivalued weakly Picard operators on complete metric spaces. Zbl 1357.54029
Altun, Ishak; Olgun, Murat; Mınak, Gülhan
10
2015
A new approach to fixed point theorems for multivalued contractive maps. Zbl 1349.54111
Minak, Gülhan; Olgun, Murat; Altun, Ishak
8
2015
On fixed point theorems for multivalued mappings of Feng-Liu type. Zbl 1332.54205
Altun, Ishak; Minak, Gülhan
4
2015
On a general class of weakly Picard operators. Zbl 1340.54054
Altun, Ishak; Hançer, Hatice Aslan; Minak, Gülhan
3
2015
Recent developments about multivalued weakly Picard operators. Zbl 1326.54046
Minak, Gülhan; Altun, Ishak; Romaguera, Salvador
3
2015
Partial fuzzy metric space and some fixed point results. Zbl 1337.54047
Sedghi, Shaban; Shobkolaei, Nabi; Altun, Ishak
1
2015
Multivalued almost contractions in metric space endowed with a graph. Zbl 1349.54079
Altun, Ishak; Acar, Özlem
1
2015
Ćirić type generalized \(F\)-contractions on complete metric spaces and fixed point results. Zbl 06704835
Mınak, Gülhan; Helvacı, Asuman; Altun, Ishak
34
2014
Some coincidence point results in ordered \(b\)-metric spaces and applications in a system of integral equations. Zbl 1354.45010
Roshan, J. R.; Parvaneh, V.; Altun, I.
31
2014
A fixed point theorem for multivalued mappings with \(\delta\)-distance. Zbl 07022493
Acar, Özlem; Altun, Ishak
9
2014
Some properties of \(S\)-metric spaces and fixed point results. Zbl 1295.54084
Sedghi, Shaban; Altun, Ishak; Shobe, Nabi; Salahshour, Mohammad Ali
7
2014
New fixed point results for maps satisfying implicit relations on ordered metric spaces and application. Zbl 1334.54069
Nashine, Hemant Kumar; Altun, Ishak
3
2014
A related fixed point theorem for maps in two S-complete Hausdorff uniform spaces. Zbl 1306.54056
Shobkolaei, Nabi; Sedghi, Shaban; Roshan, Jamal R.; Altun, Ishak
1
2014
Mizoguchi-Takahashi type fixed point theorem on partial metric spaces. Zbl 1369.54028
Altun, Ishak; Minak, Gülhan
1
2014
Multivalued weakly Picard operators on partial metric spaces. Zbl 1294.54031
Mınak, Gülhan; Altun, Ishak
1
2014
Some new generalizations of Mizoguchi-Takahashi type fixed point theorem. Zbl 1293.54030
Mınak, Gülhan; Altun, Ishak
14
2013
Carisi’s type mappings on complete partial metric spaces. Zbl 1282.54027
Acar, Özlem; Altun, Ishak; Romaguera, Salvador
7
2013
Some fixed point results on weak partial metric spaces. Zbl 1324.54068
Durmaz, Gonca; Acar, Özlem; Altun, Ishak
5
2013
Multivalued pseudo-Picard operators and fixed point results. Zbl 1440.54037
Mınak, Gülhan; Acar, Özlem; Altun, Ishak
3
2013
Fixed point theorems and asymptotically regular mappings in partial metric spaces. Zbl 1268.54034
Shukla, Satish; Altun, Ishak; Sen, Ravindra
3
2013
Common fixed points of Ćirić-type contractions on partial metric spaces. Zbl 1299.54074
Abbas, Mujahid; Altun, Ishak; Romaguera, Salvador
2
2013
Generalized Geraghty type mappings on partial metric spaces and fixed point results. Zbl 1276.54030
Altun, Ishak; Sadarangani, Kishin
2
2013
Fixed point theorems for weak contractions in the sense of Berinde on partial metric spaces. Zbl 1262.54015
Altun, Ishak; Acar, Özlem
22
2012
Characterizations of partial metric completeness in terms of weakly contractive mappings having fixed point. Zbl 1289.54112
Altun, Ishak; Romaguera, Salvador
14
2012
Some generalizations of Caristi type fixed point theorem on partial metric spaces. Zbl 1289.54110
Acar, Özlem; Altun, Ishak
12
2012
Common fixed point of mappings satisfying almost generalized \((S,T)\)-contractive condition in partially ordered partial metric spaces. Zbl 1286.54055
Shobkolaei, N.; Sedghi, S.; Roshan, J. R.; Altun, I.
10
2012
A common fixed point theorem on ordered metric spaces. Zbl 1297.54093
Nashine, Hemant Kumar; Altun, Ishak
8
2012
Weak partial metric spaces and some fixed point results. Zbl 1256.54068
Altun, I.; Durmaz, G.
7
2012
Fixed point theorems for Ćirić-type strong almost contractions on partial metric spaces. Zbl 1266.54082
Acar, Özlem; Berinde, Vasile; Altun, Ishak
5
2012
Fixed point theorems for weakly contractive mappings on \(G\)-metric spaces and a homotopy result. Zbl 1281.54023
Erduran, A.; Altun, I.
4
2012
Fixed point theorems for a pair of mappings satisfying a generalized weakly contractive condition in ordered metric spaces. Zbl 1278.54041
Nashine, Hemant Kumar; Altun, Ishak
2
2012
Common fixed point theorems of integral type in Menger PM spaces. Zbl 1413.54098
Altun, I.; Tanveer, M.; Imdad, M.
1
2012
Some properties of \(T\)-metric spaces and a common fixed point theorem. Zbl 1256.54080
Sedghi, S.; Altun, I.; Shobe, N.
1
2012
Fixed point theorems for monotone mappings on partial metric spaces. Zbl 1207.54051
Altun, Ishak; Erduran, Ali
104
2011
Fixed point theorems for generalized weakly contractive condition in ordered metric spaces. Zbl 1213.54070
Nashine, Hemant Kumar; Altun, Ishak
25
2011
Corrigendum to “Generalized contractions on partial metric spaces” [Topology Appl. 157 (2010) 2778-2785]. Zbl 1226.54041
Altun, I.; Sadarangani, K.
16
2011
A Suzuki type fixed-point theorem. Zbl 1420.54064
Altun, Ishak; Erduran, Ali
6
2011
Fixed point and homotopy results for multivalued maps satisfying an implicit relation. Zbl 1205.54036
Altun, Ishak
6
2011
Fixed point theorems for generalized \(\varphi\)-weak contractive multivalued maps on metric and ordered metric spaces. Zbl 1297.54079
Altun, Ishak
5
2011
Common coupled fixed-point theorems in generalized fuzzy metric spaces. Zbl 1235.54050
Rao, K. P. R.; Altun, I.; Bindu, S. Hima
5
2011
Some common fixed point theorems in vector metric spaces. Zbl 1289.54111
Altun, Ishak; Çevik, Cüneyt
2
2011
Common fixed point theorems for weakly increasing mappings on ordered uniform spaces. Zbl 1240.54116
Altun, Ishak
2
2011
A fixed point theorem on cone metric spaces with new type contractivity. Zbl 1223.54053
Altun, Ishak; Abbas, Mujahid; Simsek, Hakan
1
2011
Generalized contractions on partial metric spaces. Zbl 1207.54052
Altun, Ishak; Sola, Ferhan; Simsek, Hakan
151
2010
Some fixed point theorems on ordered metric spaces and application. Zbl 1197.54053
Altun, Ishak; Simsek, Hakan
108
2010
Fixed point and common fixed point theorems on ordered cone metric spaces. Zbl 1197.54052
Altun, Ishak; Damjanović, Boško; Djorić, Dragan
75
2010
Coupled fixed point theorems for contractions in fuzzy metric spaces. Zbl 1180.54060
Sedghi, Shaban; Altun, Ishak; Shobe, Nabi
41
2010
Ordered cone metric spaces and fixed point results. Zbl 1201.65084
Altun, Ishak; Rakočević, Vladimir
14
2010
Some fixed point theorems for single and multivalued mappings on ordered non-Archimedean fuzzy metric spaces. Zbl 1204.54025
Altun, I.
11
2010
Ordered non-Archimedean fuzzy metric spaces and some fixed point results. Zbl 1191.54033
Altun, Ishak; Miheţ, Dorel
11
2010
Some fixed point theorems for weakly compatible multivalued mappings satisfying some general contractive conditions of integral type. Zbl 1217.54035
Altun, I.; Turkoglu, D.
6
2010
Common fixed point theorem for maps satisfying a general contractive condition of integral type. Zbl 1212.54111
Altun, Ishak
5
2010
Some fixed point theorems on ordered cone metric spaces. Zbl 1184.54038
Altun, Ishak; Durmaz, Gonca
42
2009
Some fixed point theorems for weakly compatible mappings satisfying an implicit relation. Zbl 1194.54055
Altun, Ishak; Turkoglu, Duran
22
2009
Common fixed point Theorems for non compatible mappings in fuzzy metric spaces. Zbl 1175.54048
Abbas, Mujahid; Altun, Ishak; Gopal, Dhananjay
11
2009
Vector metric spaces and some properties. Zbl 1201.54027
Çevik, Cüneyt; Altun, Ishak
7
2009
A common fixed point theorem for multivalued Ćirić type mappings with new type compatibility. Zbl 1199.54201
Altun, Ishak
6
2009
Some fixed point theorems on ordered uniform space. Zbl 1265.54151
Altun, Ishak; Imdad, Mohammad
5
2009
Some fixed point theorems for mappings satisfying contractive condition of integral type on \(d\)-complete topological spaces. Zbl 1184.54039
Altun, Ishak; Turkoglu, Duran
3
2009
Some fixed point theorems on dualistic partial metric spaces. Zbl 1172.54318
Altun, Ishak; Simsek, Hakan
39
2008
Some fixed point theorems for weakly compatible multivalued mappings satisfying an implicit relation. Zbl 1199.54202
Altun, Ishak; Turkoglu, Duran
12
2008
A fixed point theorem for multi-maps satisfying an implicit relation on metric spaces. Zbl 1199.54245
Sedghi, S.; Altun, I.; Shobe, N.
7
2008
A fixed fuzzy point for fuzzy mappings in complete metric spaces. Zbl 1157.54310
Sedghi, Shaban; Shobe, Nabi; Altun, Ishak
5
2008
Some fixed point theorems on fuzzy metric spaces with implicit relations. Zbl 1168.54326
Altun, Ishak; Turkoglu, Duran
4
2008
On compatible mappings of type \((I)\) and \((II)\) in intuitionistic fuzzy metric spaces. Zbl 1168.54324
Alaca, Cihangir; Altun, Ishak; Turkoglu, Duran
2
2008
Fixed points of sequences of maps on fuzzy metric spaces. Zbl 1172.54319
Altun, Ishak; Turkoglu, Duran
1
2008
Fixed point theorem for multivalued mappings satisfying an implicit relation. Zbl 1172.54339
Turkoglu, Duran; Altun, Ishak
1
2008
Fixed points of weakly compatible maps satisfying a general contractive condition of integral type. Zbl 1153.54022
Altun, Ishak; Türkoğlu, Duran; Rhoades, Billy E.
37
2007
A fixed point theorem for multi-valued mappings and its applications to integral inclusions. Zbl 1130.47057
Turkoglu, D.; Altun, I.
16
2007
A common fixed point theorem for weakly compatible mappings in symmetric spaces satisfying an implicit relation. Zbl 1171.54342
Turkoglu, Duran; Altun, Ishak
8
2007
A fixed point theorem for mappings satisfying a general contractive condition of operator type. Zbl 1122.54020
Altun, Ishak; Turkoglu, Duran
8
2007
Fixed point and homotopy result for mappings satisfying an implicit relation. Zbl 1152.54350
Altun, I.; Turkoglu, D.
4
2007
A fixed point theorem for multi-maps satisfying an implicit relation on metrically convex metric spaces. Zbl 1105.54303
Altun, I.; Hancer, H. A.; Turkoglu, D.
5
2006
...and 3 more Documents
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Cited by 725 Authors

58 Karapınar, Erdal
47 Radenovic, Stojan
45 Abbas, Mujahid
40 Aydi, Hassen
38 Altun, Ishak
37 Nashine, Hemant Kumar
35 Samet, Bessem
34 Vetro, Calogero
30 Imdad, Mohammad
26 Kadelburg, Zoran
25 Kumam, Poom
25 Shatanawi, Wasfi A.
23 Hussain, Nawab
17 Sintunavarat, Wutiphol
16 Nazir, Talat
15 Parvaneh, Vahid
14 Ali, Muhammad Usman
14 Arshad, Muhammad Sarmad
12 Rao, Koduru Pandu Ranga
11 Abdeljawad, Thabet
11 Chauhan, Sunny
11 Choudhury, Binayak Samadder
11 Mustafa, Zead
11 Rakočević, Vladimir
11 Sedghi, Shaban
11 Shukla, Satish
10 Jleli, Mohamed
10 Nazam, Muhammad
10 Roshan, Jamal Rezaei
10 Sarwar, Muhammad
10 Zhu, Chuanxi
9 Agarwal, Ravi P.
9 Beg, Ismat
9 Ćirić, Ljubomir B.
9 de la Sen, Manuel
9 Kutbi, Marwan Amin
9 Postolache, Mihai
9 Shahzad, Naseer
8 Cai, Zuowei
8 Cho, Yeol Je
8 Huang, Lihong
8 Kamran, Tayyab
8 Kang, Shin Min
8 Liu, Zeqing
8 Turkoglu, Duran
7 Acar, Özlem
7 Ahmad, Jamshaid
7 Damjanović, Boško
7 Gopal, Dhananjay
7 Kishore, Gajula Naveen Venkata
7 Razani, Abdolrahman
7 Sadarangani, Kishin B.
7 Shoaib, Abdullah
7 Vetro, Pasquale
6 Nguyen Van Luong
6 Saadati, Reza
6 Salimi, Peyman
6 Vetro, Francesca
5 Alsulami, Saud Mastour A.
5 Amini-Harandi, Alireza
5 Arab, Reza
5 Azam, Akbar
5 Došenović, Tatjana
5 Erduran, Ali
5 Erhan, İnci M.
5 Gu, Feng
5 Gubran, Rqeeb
5 Ilić, Dejan B.
5 Kumar, Sanjay V.
5 Kumari, Panda Sumati
5 Metiya, Nikhilesh
5 Nguyen Van Dung
5 Olgun, Murat
5 Park, Choonkil
5 Popa, Valeriu
5 Romaguera Bonilla, Salvador
5 Shobkolaei, Nabi
5 Singh, Deepak Kumar
5 Taş, Kenan
5 Wu, Zhaoqi
4 Alam, Aftab
4 Ali, Basit
4 Alotaibi, Abdullah M.
4 Ansari, Arslan Hojat
4 Arshad, Muhammad Junaid
4 Berinde, Vasile
4 Butt, Asma Rashid
4 Chandok, Sumit
4 Golubović, Zorana
4 Huang, Huaping
4 Huang, Xianjiu
4 Iqbal, Iram
4 Jain, Manish Kumar
4 Kalyani, Karusala
4 Mehmood, Nayyar
4 Mınak, Gülhan
4 Mitrović, Zoran D.
4 Pavlović, Vladimir
4 Rajić, Vesna Ćojbašić
4 Rajović, Miloje
...and 625 more Authors
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Cited in 118 Serials

163 Fixed Point Theory and Applications
49 Abstract and Applied Analysis
29 Journal of Fixed Point Theory and Applications
27 Journal of Nonlinear Science and Applications
25 Journal of Function Spaces
23 Journal of Inequalities and Applications
18 International Journal of Mathematics and Mathematical Sciences
17 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
16 Computers & Mathematics with Applications
15 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods
14 Applied Mathematics and Computation
14 Applied Mathematics Letters
14 Mathematical and Computer Modelling
12 Mathematical Sciences
11 Nonlinear Analysis. Modelling and Control
10 Topology and its Applications
10 Vietnam Journal of Mathematics
10 Afrika Matematika
9 Sahand Communications in Mathematical Analysis
8 Journal of Applied Mathematics
8 Journal of Linear and Topological Algebra
7 Electronic Journal of Mathematical Analysis and Applications EJMAA
7 Journal of Mathematics
6 Ukrainian Mathematical Journal
6 Demonstratio Mathematica
6 Rendiconti del Circolo Matemàtico di Palermo. Serie II
6 Journal of the Egyptian Mathematical Society
6 Thai Journal of Mathematics
6 Symmetry
6 Open Mathematics
5 Results in Mathematics
5 International Journal of Analysis
4 Fuzzy Sets and Systems
4 The Journal of Analysis
4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
4 Boletim da Sociedade Paranaense de Matemática. Terceira Série
4 Bulletin of Mathematical Analysis and Applications
4 Carpathian Mathematical Publications
4 Journal of Operators
3 Mathematical Problems in Engineering
3 Positivity
3 Discrete Dynamics in Nature and Society
3 Nonlinear Functional Analysis and Applications
3 Mediterranean Journal of Mathematics
3 Advances in Difference Equations
3 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche
3 Asian-European Journal of Mathematics
3 Journal of Mathematics and Computer Science. JMCS
3 Journal of Nonlinear Analysis and Optimization: Theory & Applications
3 Journal of Applied Analysis and Computation
3 Mathematics
3 Chinese Journal of Mathematics
3 Transactions of A. Razmadze Mathematical Institute
3 Korean Journal of Mathematics
2 Fasciculi Mathematici
2 Journal of Computational and Applied Mathematics
2 Matematički Vesnik
2 Proceedings of the American Mathematical Society
2 Neural Networks
2 Aequationes Mathematicae
2 Computational and Applied Mathematics
2 Annales Mathematicae Silesianae
2 Journal of Function Spaces and Applications
2 Tbilisi Mathematical Journal
2 Advances in Fuzzy Systems
2 Applied General Topology
2 Functional Analysis, Approximation and Computation
2 Arabian Journal of Mathematics
2 ISRN Computational Mathematics
2 Axioms
2 International Journal of Analysis and Applications
2 Asia Pacific Journal of Mathematics
2 Cogent Mathematics
2 Waves, Wavelets and Fractals. Advanced Analysis
2 Cogent Mathematics & Statistics
1 Journal of the Franklin Institute
1 Journal of Mathematical Analysis and Applications
1 Mathematical Notes
1 Chaos, Solitons and Fractals
1 Functional Analysis and its Applications
1 Mathematische Nachrichten
1 Numerical Functional Analysis and Optimization
1 Rendiconti del Seminario Matematico della Università di Padova
1 Acta Mathematica Hungarica
1 Optimization
1 Facta Universitatis. Series Mathematics and Informatics
1 Journal of Mathematical Sciences (New York)
1 Turkish Journal of Mathematics
1 Discrete and Continuous Dynamical Systems
1 Arab Journal of Mathematical Sciences
1 Nonlinear Dynamics
1 Honam Mathematical Journal
1 Novi Sad Journal of Mathematics
1 Matematychni Studiï
1 Communications in Nonlinear Science and Numerical Simulation
1 Lobachevskii Journal of Mathematics
1 Discrete and Continuous Dynamical Systems. Series B
1 Proceedings of the National Academy of Sciences, India. Section A. Physical Sciences
1 Applied Mathematics E-Notes
1 Journal of Intelligent and Fuzzy Systems
...and 18 more Serials

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