Edit Profile (opens in new tab) Kaleva, Osmo Co-Author Distance Author ID: kaleva.osmo Published as: Kaleva, Osmo; Kaleva, O. Documents Indexed: 19 Publications since 1980 Reviewing Activity: 51 Reviews Co-Authors: 3 Co-Authors with 4 Joint Publications 17 Co-Co-Authors Co-Authors 15 single-authored 2 Seikkala, Seppo 1 Kauhanen, Janne 1 Seppala, Veikko all top 5 Serials 11 Fuzzy Sets and Systems 2 Journal of Mathematical Analysis and Applications 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Rendiconti di Matematica e delle sue Applicazioni. Serie VII 1 Applied Mathematics Letters 1 The Journal of Fuzzy Mathematics all top 5 Fields 7 General topology (54-XX) 6 Ordinary differential equations (34-XX) 4 Mathematical logic and foundations (03-XX) 3 Operator theory (47-XX) 2 Real functions (26-XX) 2 Numerical analysis (65-XX) 2 Operations research, mathematical programming (90-XX) 1 Group theory and generalizations (20-XX) 1 Measure and integration (28-XX) 1 Functional analysis (46-XX) 1 Probability theory and stochastic processes (60-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 17 Publications have been cited 1,240 times in 984 Documents Cited by ▼ Year ▼ Fuzzy differential equations. Zbl 0646.34019 Kaleva, Osmo 584 1987 On fuzzy metric spaces. Zbl 0558.54003 Kaleva, Osmo; Seikkala, Seppo 284 1984 The Cauchy problem for fuzzy differential equations. Zbl 0696.34005 Kaleva, Osmo 152 1990 A note on fuzzy differential equations. Zbl 1100.34500 Kaleva, Osmo 84 2006 On the convergence of fuzzy sets. Zbl 0584.54004 Kaleva, Osmo 41 1985 Interpolation of fuzzy data. Zbl 0827.65007 Kaleva, Osmo 37 1994 The calculus of fuzzy valued functions. Zbl 0708.26015 Kaleva, Osmo 17 1990 The Peano theorem for fuzzy differential equations revisited. Zbl 0930.34003 Kaleva, Osmo 9 1998 The completion of fuzzy metric spaces. Zbl 0582.54006 Kaleva, Osmo 7 1985 A note on fixed points for fuzzy mappings. Zbl 0564.47028 Kaleva, Osmo 6 1985 A comment on the completion of fuzzy metric spaces. Zbl 1172.54304 Kaleva, Osmo 5 2008 Fuzzy performance of a coherent system. Zbl 0601.90058 Kaleva, Osmo 5 1986 Nonlinear iteration semigroups of fuzzy Cauchy problems. Zbl 1277.47083 Kaleva, Osmo 5 2012 On exponential function as the unique solution of autonomous differential equations in Banach spaces. Zbl 0493.34051 Kaleva, Osmo; Seppaelae, Veikko 1 1981 On the functional equation \(e^{F+G}=e^Fe^G\). Zbl 0429.47029 Kaleva, Osmo 1 1980 A note on compactness in a fuzzy metric space. Zbl 1315.54024 Kaleva, Osmo; Kauhanen, Janne 1 2014 A characterization of level-continuous fuzzy numbers. Zbl 1252.03118 Kaleva, Osmo 1 2012 A note on compactness in a fuzzy metric space. Zbl 1315.54024 Kaleva, Osmo; Kauhanen, Janne 1 2014 Nonlinear iteration semigroups of fuzzy Cauchy problems. Zbl 1277.47083 Kaleva, Osmo 5 2012 A characterization of level-continuous fuzzy numbers. Zbl 1252.03118 Kaleva, Osmo 1 2012 A comment on the completion of fuzzy metric spaces. Zbl 1172.54304 Kaleva, Osmo 5 2008 A note on fuzzy differential equations. Zbl 1100.34500 Kaleva, Osmo 84 2006 The Peano theorem for fuzzy differential equations revisited. Zbl 0930.34003 Kaleva, Osmo 9 1998 Interpolation of fuzzy data. Zbl 0827.65007 Kaleva, Osmo 37 1994 The Cauchy problem for fuzzy differential equations. Zbl 0696.34005 Kaleva, Osmo 152 1990 The calculus of fuzzy valued functions. Zbl 0708.26015 Kaleva, Osmo 17 1990 Fuzzy differential equations. Zbl 0646.34019 Kaleva, Osmo 584 1987 Fuzzy performance of a coherent system. Zbl 0601.90058 Kaleva, Osmo 5 1986 On the convergence of fuzzy sets. Zbl 0584.54004 Kaleva, Osmo 41 1985 The completion of fuzzy metric spaces. Zbl 0582.54006 Kaleva, Osmo 7 1985 A note on fixed points for fuzzy mappings. Zbl 0564.47028 Kaleva, Osmo 6 1985 On fuzzy metric spaces. Zbl 0558.54003 Kaleva, Osmo; Seikkala, Seppo 284 1984 On exponential function as the unique solution of autonomous differential equations in Banach spaces. Zbl 0493.34051 Kaleva, Osmo; Seppaelae, Veikko 1 1981 On the functional equation \(e^{F+G}=e^Fe^G\). Zbl 0429.47029 Kaleva, Osmo 1 1980 all cited Publications top 5 cited Publications all top 5 Cited by 1,121 Authors 50 Allahviranloo, Tofigh 27 Gong, Zengtai 26 Abbasbandy, Saeid 24 Wu, Congxin 20 Khastan, Alireza 20 Rodríguez-López, Rosana 19 Ezzati, Reza 19 Nieto Roig, Juan Jose 18 De Barros, Laécio Carvalho 17 Salahshour, Soheil 15 Melliani, Said 14 Ahmadian, Ali 14 Chalco-Cano, Yurilev 14 Qiu, Dong 14 Román-Flores, Heriberto E. 14 Ziari, Shokrollah 12 Băleanu, Dumitru I. 12 Bica, Alexandru Mihai 12 Kaleva, Osmo 12 Malinowski, Marek T. 11 Al-Smadi, Mohammed H. 11 Bag, Tarapada 11 Esmi, Estevão Laureano 10 Cho, Yeol Je 10 Fang, Jinxuan 10 Ma, Ming 10 Shao, Yabin 10 Xue, Xiaoping 9 Ahmady, Elham 9 Ahmady, Nazanin 9 Chadli, Lalla Saadia 8 Bassanezi, Rodney Carlos 8 Bede, Barnabás 8 Chakraverty, Snehashish 8 Chen, Minghao 8 Kandel, Abraham 8 Lee, Byung Soo 8 Otadi, Mahmood 7 Arqub, Omar Abu 7 Chang, Shih-Sen 7 Harir, Atimad 7 Kloeden, Peter Eris 7 Mohiuddine, Syed Abdul 7 Mosleh, Maryam 7 O’Regan, Donal 7 Sarwar, Muhammad 7 Skripnik, Natalia Viktorovna 7 Wu, Hsien-Chung 6 Agarwal, Ravi P. 6 Akram, Muhammad 6 Anastassiou, George Angelos 6 Bilal Khan, Muhammad 6 Feng, Yuhu 6 Gähler, Werner 6 Hadžić, Olga 6 Huang, Huan 6 Jung, Jong Soo 6 Kim, Yun Kyong 6 Lakshmikantham, Vangipuram 6 Lu, Chongxia 6 Momani, Shaher M. 6 Rojas-Medar, Marko Antonio 6 Saadati, Reza 6 Shah, Kamal 6 Shen, Yonghong 6 Shi, Fu-Gui 6 Wang, Guixiang 6 Wasques, Vinícius Francisco 5 Alijani, Zahra 5 Balasubramaniam, Pagavathigounder 5 Costa, Tiago M. 5 Debnath, Pradip 5 Diamond, Phil 5 Fard, Omid Solaymani 5 Fei, Weiyin 5 Ghanbari, Mojtaba 5 Gumah, Ghaleb N. 5 Hai, Shexiang 5 Huang, Nan-Jing 5 Humaira, Humaira 5 Kang, Shin Min 5 Lupulescu, Vasile 5 Michta, Mariusz 5 Miheţ, Dorel 5 Mursaleen, Mohammad 5 Ngo Van Hoa 5 Nguyen Dinh Phu 5 Noor, Muhammad Aslam 5 Pap, Endre 5 Park, Jong Yeoul 5 Pasadas, Miguel 5 Popescu, Constantin 5 Samadpour Khalifeh Mahaleh, Vahid 5 Samanta, Syamal Kumar 5 Santo Pedro, Francielle 5 Song, Shiji 5 Wu, Jianrong 5 Xiao, Jianzhong 4 Al-Omari, Shrideh Khalaf Qasem 4 Cecconello, Moiseis S. ...and 1,021 more Authors all top 5 Cited in 161 Serials 278 Fuzzy Sets and Systems 47 Information Sciences 41 Soft Computing 29 Chaos, Solitons and Fractals 27 Computational and Applied Mathematics 25 Advances in Difference Equations 23 Computers & Mathematics with Applications 21 Journal of Function Spaces 19 Journal of Intelligent and Fuzzy Systems 17 Abstract and Applied Analysis 15 Fixed Point Theory and Applications 14 Applied Mathematics and Computation 13 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 12 Applied Mathematical Modelling 10 Mathematical and Computer Modelling 10 Filomat 10 Iranian Journal of Fuzzy Systems 10 Advances in Fuzzy Systems 9 Journal of Mathematical Analysis and Applications 9 International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 8 Journal of Applied Mathematics 7 Journal of Computational and Applied Mathematics 7 Mathematical Problems in Engineering 7 Fuzzy Optimization and Decision Making 7 Nonlinear Oscillations 7 Journal of Nonlinear Science and Applications 7 Fuzzy Information and Engineering 7 Journal of Mathematics 7 AIMS Mathematics 6 International Journal of General Systems 6 Applied Mathematics Letters 6 Journal of Inequalities and Applications 6 Journal of Applied Mathematics and Computing 6 International Journal of Differential Equations 6 Sahand Communications in Mathematical Analysis 5 Kybernetika 5 Boletim da Sociedade Paranaense de Matemática. Terceira Série 4 Ukrainian Mathematical Journal 4 Hacettepe Journal of Mathematics and Statistics 4 Mathematical Biosciences and Engineering 4 Proyecciones 4 Symmetry 4 Journal of Mathematical Extension 4 Mathematical Sciences 4 Journal of Linear and Topological Algebra 3 Kybernetes 3 Mathematics and Computers in Simulation 3 Stochastic Analysis and Applications 3 Applied Numerical Mathematics 3 International Journal of Approximate Reasoning 3 Automation and Remote Control 3 European Journal of Operational Research 3 International Journal of Computer Mathematics 3 Journal of the Egyptian Mathematical Society 3 Fractals 3 Journal of Difference Equations and Applications 3 Thai Journal of Mathematics 3 New Mathematics and Natural Computation 3 Advances in Mathematical Physics 3 Afrika Matematika 3 Palestine Journal of Mathematics 3 Journal of Mathematical Modeling 3 Computational Methods for Differential Equations 3 International Journal of Applied and Computational Mathematics 3 Open Mathematics 2 Journal of the Franklin Institute 2 Mathematical Methods in the Applied Sciences 2 International Journal of Mathematics and Mathematical Sciences 2 Journal of Optimization Theory and Applications 2 Cybernetics and Systems 2 Systems & Control Letters 2 Numerical Methods for Partial Differential Equations 2 Computational Mathematics and Modeling 2 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 2 The Journal of Analysis 2 Complexity 2 Mathematica Moravica 2 Discrete Dynamics in Nature and Society 2 Communications in Nonlinear Science and Numerical Simulation 2 Dynamics of Continuous, Discrete & Impulsive Systems. Series A. Mathematical Analysis 2 Nonlinear Analysis. Hybrid Systems 2 Discrete and Continuous Dynamical Systems. Series S 2 Journal of Applied Mathematics & Informatics 2 Arabian Journal for Science and Engineering 2 S\(\vec{\text{e}}\)MA Journal 2 Journal of Applied Nonlinear Dynamics 2 Mathematics 2 International Journal of Advances in Applied Mathematics and Mechanics 2 Journal of Ramanujan Society of Mathematics and Mathematical Sciences 2 Mathematical Foundations of Computing 2 Electronic Research Archive 1 International Journal of Systems Science 1 Journal of Computational Physics 1 Bulletin of Mathematical Biology 1 Acta Mathematica Vietnamica 1 Demonstratio Mathematica 1 The Journal of the Indian Mathematical Society. New Series 1 Journal of Soviet Mathematics 1 Mathematica Slovaca 1 Numerical Functional Analysis and Optimization ...and 61 more Serials all top 5 Cited in 45 Fields 335 Ordinary differential equations (34-XX) 237 Real functions (26-XX) 215 General topology (54-XX) 180 Numerical analysis (65-XX) 109 Functional analysis (46-XX) 93 Mathematical logic and foundations (03-XX) 92 Operator theory (47-XX) 88 Integral equations (45-XX) 54 Measure and integration (28-XX) 40 Systems theory; control (93-XX) 38 Probability theory and stochastic processes (60-XX) 37 Operations research, mathematical programming (90-XX) 34 Sequences, series, summability (40-XX) 31 Partial differential equations (35-XX) 24 Approximations and expansions (41-XX) 24 Computer science (68-XX) 22 Dynamical systems and ergodic theory (37-XX) 22 Calculus of variations and optimal control; optimization (49-XX) 21 Biology and other natural sciences (92-XX) 19 Integral transforms, operational calculus (44-XX) 14 Linear and multilinear algebra; matrix theory (15-XX) 14 Difference and functional equations (39-XX) 7 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 7 Information and communication theory, circuits (94-XX) 6 Special functions (33-XX) 4 Functions of a complex variable (30-XX) 4 Algebraic topology (55-XX) 4 Statistics (62-XX) 4 Fluid mechanics (76-XX) 3 Order, lattices, ordered algebraic structures (06-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 Global analysis, analysis on manifolds (58-XX) 2 Group theory and generalizations (20-XX) 2 Mechanics of particles and systems (70-XX) 2 Mechanics of deformable solids (74-XX) 1 General and overarching topics; collections (00-XX) 1 Number theory (11-XX) 1 Associative rings and algebras (16-XX) 1 Topological groups, Lie groups (22-XX) 1 Potential theory (31-XX) 1 Several complex variables and analytic spaces (32-XX) 1 Convex and discrete geometry (52-XX) 1 Classical thermodynamics, heat transfer (80-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Geophysics (86-XX) Citations by Year