Edit Profile (opens in new tab) Harjani, Jackie Compute Distance To: Compute Author ID: harjani.jackie Published as: Harjani, J.; Harjani, Jackie External Links: ORCID Documents Indexed: 43 Publications since 2007 Co-Authors: 7 Co-Authors with 43 Joint Publications 167 Co-Co-Authors all top 5 Co-Authors 0 single-authored 43 Sadarangani, Kishin B. 13 Caballero, Josefa 13 Lopez, Belen 5 Cabrera, Ignacio José 3 Rocha, Juan 2 Almeida, Angel 1 Samet, Bessem all top 5 Serials 6 Abstract and Applied Analysis 4 Journal of Convex Analysis 4 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 3 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 3 Fixed Point Theory 3 Fixed Point Theory and Applications 3 Carpathian Journal of Mathematics 2 Computers & Mathematics with Applications 2 Mediterranean Journal of Mathematics 2 Boundary Value Problems 1 Applied Mathematics and Computation 1 Demonstratio Mathematica 1 Extracta Mathematicae 1 Dynamic Systems and Applications 1 Communications in Applied Analysis 1 Positivity 1 Journal of Inequalities and Applications 1 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 1 Journal of Fixed Point Theory and Applications 1 Journal of Nonlinear Science and Applications all top 5 Fields 24 Operator theory (47-XX) 19 Ordinary differential equations (34-XX) 19 General topology (54-XX) 4 Integral equations (45-XX) 3 Real functions (26-XX) 2 Difference and functional equations (39-XX) 2 Functional analysis (46-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Operations research, mathematical programming (90-XX) 1 Approximations and expansions (41-XX) 1 Numerical analysis (65-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 31 Publications have been cited 700 times in 531 Documents Cited by ▼ Year ▼ Fixed point theorems for weakly contractive mappings in partially ordered sets. Zbl 1221.54058Harjani, J.; Sadarangani, K. 211 2009 Generalized contractions in partially ordered metric spaces and applications to ordinary differential equations. Zbl 1220.54025Harjani, J.; Sadarangani, K. 150 2010 Fixed point theorems for mixed monotone operators and applications to integral equations. Zbl 1218.54040Harjani, J.; López, B.; Sadarangani, K. 72 2011 A best proximity point theorem for Geraghty-contractions. Zbl 1281.54021Caballero, J.; Harjani, J.; Sadarangani, K. 55 2012 A fixed point theorem for mappings satisfying a contractive condition of rational type on a partially ordered metric space. Zbl 1203.54041Harjani, J.; López, B.; Sadarangani, K. 35 2010 Fixed point theorems for weakly \(C\)-contractive mappings in ordered metric spaces. Zbl 1217.54046Harjani, J.; López, B.; Sadarangani, K. 27 2011 Existence and uniqueness of positive and nondecreasing solutions for a class of singular fractional boundary value problems. Zbl 1182.34005Mena, J. Caballero; Harjani, J.; Sadarangani, K. 26 2009 Positive solutions for a class of singular fractional boundary value problems. Zbl 1235.34010Caballero, J.; Harjani, J.; Sadarangani, K. 25 2011 Contractive-like mapping principles in ordered metric spaces and application to ordinary differential equations. Zbl 1194.54057Caballero, J.; Harjani, J.; Sadarangani, K. 20 2010 A fixed point theorem for contractions of rational type in partially ordered metric spaces. Zbl 1319.54014Cabrera, I.; Harjani, J.; Sadarangani, K. 13 2013 Existence and uniqueness of solutions for a boundary value problem of fractional type with nonlocal integral boundary conditions in Hölder spaces. Zbl 1477.34041Cabrera, I.; Harjani, J.; Sadarangani, K. 9 2018 Existence and uniqueness of positive solutions for a singular fractional three-point boundary value problem. Zbl 1246.34006Cabrera, I. J.; Harjani, J.; Sadarangani, K. B. 7 2012 On existence and uniqueness of positive solutions to a class of fractional boundary value problems. Zbl 1273.34005Caballero, J.; Harjani, J.; Sadarangani, K. 7 2011 Uniqueness of positive solutions for a class of fourth-order boundary value problems. Zbl 1222.34027Caballero, J.; Harjani, J.; Sadarangani, K. 7 2011 A fixed point theorem for Meir-Keeler contractions in ordered metric spaces. Zbl 1315.54037Harjani, Jackie; López, Belén; Sadarangani, Kishin 6 2011 Positive and nondecreasing solutions to a singular boundary value problem for nonlinear fractional differential equations. Zbl 1235.34009Caballero, J.; Harjani, J.; Sadarangani, K. 3 2011 Fixed point theorems for monotone generalized contractions in partially ordered metric spaces and applications to integral equations. Zbl 1263.54051Harjani, J.; Sadarangani, K. 3 2012 Existence and uniqueness of positive solution for a boundary value problem of fractional order. Zbl 1217.34009Caballero, J.; Harjani, J.; Sadarangani, K. 3 2011 Fixed point theorems for mappings satisfying a condition of integral type in partially ordered sets. Zbl 1192.54018Harjani, J.; Sadarangani, K. 3 2010 Existence and uniqueness of mild solutions for a fractional differential equation under Sturm-Liouville boundary conditions when the data function is of Lipschitzian type. Zbl 1500.34007Harjani, Jackie; López, Belen; Sadarangani, Kishin 2 2020 Positive and nondecreasing solutions to an \(m\)-point boundary value problem for nonlinear fractional differential equation. Zbl 1234.34006Cabrera, I. J.; Harjani, J.; Sadarangani, K. B. 2 2012 \(\alpha\)-coupled fixed points and their application in dynamic programming. Zbl 1474.90499Harjani, J.; Rocha, J.; Sadarangani, K. 2 2014 Fixed point theorems for cyclic \(\varphi \)-contractions in ordered metric spaces. Zbl 1292.54023Harjani, J.; López, B.; Sadarangani, K. 2 2013 Fixed points for mappings of cyclical type in ordered metric spaces. Zbl 1292.54024Harjani, J.; Sabetghadam, F.; Sadarangani, K. 2 2013 Fixed point theorems for cyclic weak contractions in compact metric spaces. Zbl 1345.54045Harjani, Jackie; López, Belén; Sadarangani, Kishin 2 2013 A fixed point theorem for operators of Meir-Keeler type via the degree of nondensifiability and its application in dynamic programming. Zbl 1491.47043Caballero, J.; Harjani, J.; Sadarangani, K. 1 2020 Generalized coupled fixed points and its application to a class of systems of functional equations arising in dynamic programming. Zbl 1410.90235Harjani, J.; Rocha, J.; Sadarangani, K. 1 2015 On positive solutions for a \(m\)-point fractional boundary value problem on an infinite interval. Zbl 1479.34010Caballero, J.; Harjani, J.; Sadarangani, K. 1 2019 Existence of positive solutions in the space of Lipschitz functions to a class of fractional differential equations of arbitrary order. Zbl 1425.34018López, B.; Harjani, J.; Sadarangani, K. 1 2018 Fixed point theorems for cyclic weak contractions in partially ordered sets endowed with a complete metric. Zbl 1299.54091Harjani, J.; Sabetghadam, F.; Sadarangani, K. 1 2013 Uniqueness of solutions for a fractional thermostat model. Zbl 1488.49050Caballero, J.; Harjani, J.; Sadarangani, K. 1 2020 Existence and uniqueness of mild solutions for a fractional differential equation under Sturm-Liouville boundary conditions when the data function is of Lipschitzian type. Zbl 1500.34007Harjani, Jackie; López, Belen; Sadarangani, Kishin 2 2020 A fixed point theorem for operators of Meir-Keeler type via the degree of nondensifiability and its application in dynamic programming. Zbl 1491.47043Caballero, J.; Harjani, J.; Sadarangani, K. 1 2020 Uniqueness of solutions for a fractional thermostat model. Zbl 1488.49050Caballero, J.; Harjani, J.; Sadarangani, K. 1 2020 On positive solutions for a \(m\)-point fractional boundary value problem on an infinite interval. Zbl 1479.34010Caballero, J.; Harjani, J.; Sadarangani, K. 1 2019 Existence and uniqueness of solutions for a boundary value problem of fractional type with nonlocal integral boundary conditions in Hölder spaces. Zbl 1477.34041Cabrera, I.; Harjani, J.; Sadarangani, K. 9 2018 Existence of positive solutions in the space of Lipschitz functions to a class of fractional differential equations of arbitrary order. Zbl 1425.34018López, B.; Harjani, J.; Sadarangani, K. 1 2018 Generalized coupled fixed points and its application to a class of systems of functional equations arising in dynamic programming. Zbl 1410.90235Harjani, J.; Rocha, J.; Sadarangani, K. 1 2015 \(\alpha\)-coupled fixed points and their application in dynamic programming. Zbl 1474.90499Harjani, J.; Rocha, J.; Sadarangani, K. 2 2014 A fixed point theorem for contractions of rational type in partially ordered metric spaces. Zbl 1319.54014Cabrera, I.; Harjani, J.; Sadarangani, K. 13 2013 Fixed point theorems for cyclic \(\varphi \)-contractions in ordered metric spaces. Zbl 1292.54023Harjani, J.; López, B.; Sadarangani, K. 2 2013 Fixed points for mappings of cyclical type in ordered metric spaces. Zbl 1292.54024Harjani, J.; Sabetghadam, F.; Sadarangani, K. 2 2013 Fixed point theorems for cyclic weak contractions in compact metric spaces. Zbl 1345.54045Harjani, Jackie; López, Belén; Sadarangani, Kishin 2 2013 Fixed point theorems for cyclic weak contractions in partially ordered sets endowed with a complete metric. Zbl 1299.54091Harjani, J.; Sabetghadam, F.; Sadarangani, K. 1 2013 A best proximity point theorem for Geraghty-contractions. Zbl 1281.54021Caballero, J.; Harjani, J.; Sadarangani, K. 55 2012 Existence and uniqueness of positive solutions for a singular fractional three-point boundary value problem. Zbl 1246.34006Cabrera, I. J.; Harjani, J.; Sadarangani, K. B. 7 2012 Fixed point theorems for monotone generalized contractions in partially ordered metric spaces and applications to integral equations. Zbl 1263.54051Harjani, J.; Sadarangani, K. 3 2012 Positive and nondecreasing solutions to an \(m\)-point boundary value problem for nonlinear fractional differential equation. Zbl 1234.34006Cabrera, I. J.; Harjani, J.; Sadarangani, K. B. 2 2012 Fixed point theorems for mixed monotone operators and applications to integral equations. Zbl 1218.54040Harjani, J.; López, B.; Sadarangani, K. 72 2011 Fixed point theorems for weakly \(C\)-contractive mappings in ordered metric spaces. Zbl 1217.54046Harjani, J.; López, B.; Sadarangani, K. 27 2011 Positive solutions for a class of singular fractional boundary value problems. Zbl 1235.34010Caballero, J.; Harjani, J.; Sadarangani, K. 25 2011 On existence and uniqueness of positive solutions to a class of fractional boundary value problems. Zbl 1273.34005Caballero, J.; Harjani, J.; Sadarangani, K. 7 2011 Uniqueness of positive solutions for a class of fourth-order boundary value problems. Zbl 1222.34027Caballero, J.; Harjani, J.; Sadarangani, K. 7 2011 A fixed point theorem for Meir-Keeler contractions in ordered metric spaces. Zbl 1315.54037Harjani, Jackie; López, Belén; Sadarangani, Kishin 6 2011 Positive and nondecreasing solutions to a singular boundary value problem for nonlinear fractional differential equations. Zbl 1235.34009Caballero, J.; Harjani, J.; Sadarangani, K. 3 2011 Existence and uniqueness of positive solution for a boundary value problem of fractional order. Zbl 1217.34009Caballero, J.; Harjani, J.; Sadarangani, K. 3 2011 Generalized contractions in partially ordered metric spaces and applications to ordinary differential equations. Zbl 1220.54025Harjani, J.; Sadarangani, K. 150 2010 A fixed point theorem for mappings satisfying a contractive condition of rational type on a partially ordered metric space. Zbl 1203.54041Harjani, J.; López, B.; Sadarangani, K. 35 2010 Contractive-like mapping principles in ordered metric spaces and application to ordinary differential equations. Zbl 1194.54057Caballero, J.; Harjani, J.; Sadarangani, K. 20 2010 Fixed point theorems for mappings satisfying a condition of integral type in partially ordered sets. Zbl 1192.54018Harjani, J.; Sadarangani, K. 3 2010 Fixed point theorems for weakly contractive mappings in partially ordered sets. Zbl 1221.54058Harjani, J.; Sadarangani, K. 211 2009 Existence and uniqueness of positive and nondecreasing solutions for a class of singular fractional boundary value problems. Zbl 1182.34005Mena, J. Caballero; Harjani, J.; Sadarangani, K. 26 2009 all cited Publications top 5 cited Publications all top 5 Cited by 565 Authors 38 Karapınar, Erdal 33 Choudhury, Binayak Samadder 28 Samet, Bessem 27 Nashine, Hemant Kumar 22 Radenovic, Stojan 22 Sadarangani, Kishin B. 21 Kadelburg, Zoran 20 Aydi, Hassen Mohamed 20 Metiya, Nikhilesh 19 Kumam, Poom 18 Abbas, Mujahid 18 Harjani, Jackie 14 Imdad, Mohammad 13 Agarwal, Ravi P. 13 Shatanawi, Wasfi A. 12 Parvaneh, Vahid 12 Sintunavarat, Wutiphol 11 Altun, Ishak 10 Su, Yongfu 9 Chandok, Sumit 9 Jleli, Mohamed Boussairi 9 Nazir, Talat 8 Alam, Aftab 8 Caballero, Josefa 8 Kundu, Amaresh 8 Roldán-López-de-Hierro, Antonio-Francisco 8 Vetro, Calogero 7 Chifu, Cristian 7 Hussain, Nawab 7 Kalyani, Karusala 7 Roshan, Jamal Rezaei 7 Salimi, Peyman 6 Arshad, Muhammad 6 de la Sen, Manuel 6 Erhan, İnci M. 6 Khan, Qamrul Haq 6 Liang, Sihua 6 Mustafa, Zead 6 Nguyen Van Luong 6 Petruşel, Gabriela 6 Razani, Abdolrahman 6 Shahzad, Naseer 5 Alfuraidan, Monther Rashed 5 Babu, Gutti Venkata Ravindranadh 5 Băleanu, Dumitru I. 5 Cabrera, Ignacio José 5 Maity, Pranati 5 Shoaib, Abdullah 5 Singh, K. Anthony 5 Thuan, Nguyen Xuan 5 Yang, Liu 4 Alsulami, Saud Mastour A. 4 Baghani, Hamid 4 Beg, Ismat 4 Cho, Yeol Je 4 Eshaghi Gordji, Madjid 4 Işık, Hüseyin 4 Kundu, Sunirmal 4 Lopez, Belen 4 Mâagli, Habib 4 Noorani, Mohd Salmi Mohd 4 Petruşel, Adrian 4 Postolache, Mihai 4 Prasad, Gopi 4 Sharma, Anupam 4 Shukla, Satish 4 Turkoglu, Duran 4 Vetro, Pasquale 4 Zhai, Chengbo 4 Zhang, Jihui 4 Zhang, Jingling 3 Ali, Basit 3 Angulo-Castillo, Vladimir 3 Ansari, Arslan Hojat 3 Berzig, Maher 3 Chakraborty, Priyam 3 Chalco-Cano, Yurilev 3 Ćirić, Ljubomir B. 3 Feng, Yuqiang 3 Gülyaz, Selma 3 Khamsi, Mohamed Amine 3 Khan, Abdul Rahim 3 Kim, Jong Kyu 3 Komal, Somayya 3 Konar, Pulak 3 Mishra, Lakshmi Narayan 3 Mongkolkeha, Chirasak 3 Nazam, Muhammad 3 Ngo Van Hoa 3 Rajić, Vesna Ćojbašić 3 Rakočević, Vladimir 3 Rezapour, Shahram 3 Sang, Yanbin 3 Sarwar, Muhammad 3 Seshagiri Rao, N. 3 Staněk, Svatoslav 3 Sun, Yongping 3 Turinici, Mihai 3 Villamizar-Roa, Elder Jesús 3 Vu, Ho ...and 465 more Authors all top 5 Cited in 118 Serials 117 Fixed Point Theory and Applications 43 Abstract and Applied Analysis 18 Journal of Fixed Point Theory and Applications 17 Computers & Mathematics with Applications 17 Advances in Difference Equations 15 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 14 Journal of Inequalities and Applications 12 Journal of Function Spaces 11 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 10 Journal of Applied Mathematics 10 Boundary Value Problems 9 Journal of Nonlinear Science and Applications 9 Afrika Matematika 8 Filomat 7 Applied Mathematics and Computation 7 The Journal of Analysis 7 Thai Journal of Mathematics 7 Mathematical Sciences 6 Mathematical and Computer Modelling 6 South East Asian Journal of Mathematics and Mathematical Sciences 5 Applied Mathematics Letters 5 Journal of the Egyptian Mathematical Society 5 Journal of Applied Mathematics and Computing 5 Annali dell’Università di Ferrara. Sezione VII. Scienze Matematiche 4 Facta Universitatis. Series Mathematics and Informatics 4 Vietnam Journal of Mathematics 4 Fractional Calculus & Applied Analysis 4 Nonlinear Analysis. Modelling and Control 4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 4 Mediterranean Journal of Mathematics 4 Cubo 4 Optimization Letters 4 Journal of Nonlinear Analysis and Optimization: Theory & Applications 4 Open Mathematics 3 International Journal of Mathematics and Mathematical Sciences 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Results in Mathematics 3 Computational and Applied Mathematics 3 Mathematica Moravica 3 Communications in Nonlinear Science and Numerical Simulation 3 Applied Mathematics E-Notes 3 Journal of Mathematics and Computer Science. JMCS 2 Ukrainian Mathematical Journal 2 Demonstratio Mathematica 2 Arab Journal of Mathematical Sciences 2 Positivity 2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 2 Journal of Function Spaces and Applications 2 Asian-European Journal of Mathematics 2 Applied General Topology 2 Journal of Applied Analysis and Computation 2 Palestine Journal of Mathematics 2 Journal of Mathematics 2 Mathematics 2 Korean Journal of Mathematics 2 AIMS Mathematics 2 Cogent Mathematics & Statistics 1 Lithuanian Mathematical Journal 1 Mathematical Methods in the Applied Sciences 1 Mathematical Notes 1 Rocky Mountain Journal of Mathematics 1 Czechoslovak Mathematical Journal 1 Fasciculi Mathematici 1 Fuzzy Sets and Systems 1 Journal of Computational and Applied Mathematics 1 Journal of Functional Analysis 1 Journal of the Korean Mathematical Society 1 Kyungpook Mathematical Journal 1 Numerical Functional Analysis and Optimization 1 Acta Mathematica Hungarica 1 Journal of Integral Equations and Applications 1 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 1 Russian Mathematics 1 Topological Methods in Nonlinear Analysis 1 Applied Mathematics. Series B (English Edition) 1 Russian Journal of Mathematical Physics 1 Boletín de la Sociedad Matemática Mexicana. Third Series 1 Mathematical Problems in Engineering 1 Nonlinear Dynamics 1 Soft Computing 1 Discrete Dynamics in Nature and Society 1 Journal of the Korean Society of Mathematical Education. Series B. The Pure and Applied Mathematics 1 Applied Sciences 1 Nonlinear Functional Analysis and Applications 1 Discrete and Continuous Dynamical Systems. Series B 1 Acta Mathematica Scientia. Series A. (Chinese Edition) 1 Central European Journal of Mathematics 1 Analysis in Theory and Applications 1 Fixed Point Theory 1 Iranian Journal of Fuzzy Systems 1 Inverse Problems in Science and Engineering 1 Communications in Mathematical Analysis 1 Applications and Applied Mathematics 1 JP Journal of Fixed Point Theory and Applications 1 European Journal of Pure and Applied Mathematics 1 Discrete and Continuous Dynamical Systems. Series S 1 Commentationes Mathematicae 1 Advances in Mathematical Physics 1 Functional Analysis, Approximation and Computation 1 Journal of Advanced Studies in Topology ...and 18 more Serials all top 5 Cited in 26 Fields 394 General topology (54-XX) 201 Operator theory (47-XX) 113 Ordinary differential equations (34-XX) 24 Integral equations (45-XX) 13 Real functions (26-XX) 10 Partial differential equations (35-XX) 10 Approximations and expansions (41-XX) 10 Numerical analysis (65-XX) 7 Order, lattices, ordered algebraic structures (06-XX) 7 Difference and functional equations (39-XX) 6 Operations research, mathematical programming (90-XX) 5 Dynamical systems and ergodic theory (37-XX) 5 Functional analysis (46-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 4 Combinatorics (05-XX) 3 Mathematical logic and foundations (03-XX) 3 Linear and multilinear algebra; matrix theory (15-XX) 3 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 2 Global analysis, analysis on manifolds (58-XX) 1 Category theory; homological algebra (18-XX) 1 Group theory and generalizations (20-XX) 1 Functions of a complex variable (30-XX) 1 Special functions (33-XX) 1 Algebraic topology (55-XX) 1 Mechanics of deformable solids (74-XX) 1 Quantum theory (81-XX) Citations by Year