Edit Profile (opens in new tab) Almeida, Ricardo Co-Author Distance Author ID: almeida.ricardo Published as: Almeida, Ricardo; Almeida, R. Documents Indexed: 100 Publications since 1981, including 2 Books and 11 Additional arXiv Preprints 1 Contribution as Editor Co-Authors: 41 Co-Authors with 76 Joint Publications 1,895 Co-Co-Authors all top 5 Co-Authors 21 single-authored 34 Torres, Delfim Fernando Marado 19 Malinowska, Agnieszka Barbara 10 Odzijewicz, Tatiana 9 Pooseh, Shakoor 7 Martins, Natália F. 6 Tavares, Dina 5 Bastos, Nuno R. O. 5 Khristova, Snezhana G. 5 Morgado, Maria Luísa 3 Girejko, Ewa 3 Kamocki, Rafal 2 Fard, Omid Solaymani 2 Frederico, Gastão S. F. 2 Khosravian-Arab, Hassan 2 Kumpera, Antonio 2 Machado, Luis 2 Monteiro, M. Teresa T. 2 Soolaki, Javad 1 Agarwal, Ravi P. 1 Asanov, Avyt 1 Bohner, Martin J. 1 Borzabadi, Akbar Hashemi 1 Broda, Sabine 1 Cruz, Fátima 1 Dashkovskiy, Sergey N. 1 Ferreira, Rui A. C. 1 Guzowska, Małgorzata 1 Holík, Lukáš 1 Jleli, Mohamed Boussairi 1 Mayr, Richard M. 1 Miranda, Hugo 1 Moreira, Nelma 1 Neves, Vitor M. C. 1 O’Regan, Donal 1 Rodrigues, Luis Henrique 1 Rubin, Jacques L. 1 Samet, Bessem 1 Shamsi, Mostafa 1 Sidi Ammi, Moulay Rchid 1 Stroyan, Keith D. 1 Tersian, Stepan Agop 1 Vanterler da Costa Sousa, José 1 Vicente, Pedro G. all top 5 Serials 7 Communications in Nonlinear Science and Numerical Simulation 6 Mathematical Methods in the Applied Sciences 4 Applied Mathematics Letters 3 Computers & Mathematics with Applications 3 Journal of Mathematical Physics 3 Applied Mathematics and Computation 3 Journal of Computational and Applied Mathematics 3 Discrete and Continuous Dynamical Systems. Series S 2 Journal of Optimization Theory and Applications 2 Numerical Functional Analysis and Optimization 2 Archives of Control Sciences 2 Journal of Vibration and Control 2 Novi Sad Journal of Mathematics 2 DGDS. Differential Geometry – Dynamical Systems 2 Acta Mathematica Scientia. Series B. (English Edition) 2 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 2 Journal of Mathematical Analysis 2 Open Mathematics 1 Applicable Analysis 1 International Journal of Mathematical Education in Science and Technology 1 Journal of Mathematical Analysis and Applications 1 Letters in Mathematical Physics 1 Rocky Mountain Journal of Mathematics 1 Anais da Academia Brasileira de Ciências 1 The Australian Mathematical Society Gazette 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Publicationes Mathematicae Debrecen 1 Optimization 1 Applied Mathematical Modelling 1 International Journal of Robust and Nonlinear Control 1 Journal of Mathematical Sciences (New York) 1 Computational and Applied Mathematics 1 Mathematical Logic Quarterly (MLQ) 1 Top 1 Balkan Journal of Geometry and its Applications (BJGA) 1 Nonlinear Dynamics 1 Mathematical Inequalities & Applications 1 Applied Sciences 1 Discrete and Continuous Dynamical Systems. Series B 1 Mediterranean Journal of Mathematics 1 Advances in Difference Equations 1 Journal of Industrial and Management Optimization 1 Applicable Analysis and Discrete Mathematics 1 Tbilisi Mathematical Journal 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Asian Journal of Control 1 Afrika Matematika 1 Mathematical Sciences & Applications E-Notes 1 AIMS Mathematics 1 SpringerBriefs in Applied Sciences and Technology all top 5 Fields 65 Real functions (26-XX) 49 Calculus of variations and optimal control; optimization (49-XX) 30 Ordinary differential equations (34-XX) 12 Systems theory; control (93-XX) 7 Special functions (33-XX) 7 Numerical analysis (65-XX) 6 Difference and functional equations (39-XX) 4 Partial differential equations (35-XX) 4 Dynamical systems and ergodic theory (37-XX) 4 Mechanics of particles and systems (70-XX) 3 Operator theory (47-XX) 3 Global analysis, analysis on manifolds (58-XX) 3 Computer science (68-XX) 2 Mathematical logic and foundations (03-XX) 2 Integral equations (45-XX) 2 Functional analysis (46-XX) 2 Differential geometry (53-XX) 2 General topology (54-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 Nonassociative rings and algebras (17-XX) 1 Approximations and expansions (41-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Convex and discrete geometry (52-XX) 1 Mechanics of deformable solids (74-XX) 1 Optics, electromagnetic theory (78-XX) 1 Operations research, mathematical programming (90-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Mathematics education (97-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 70 Publications have been cited 1,646 times in 1,061 Documents Cited by ▼ Year ▼ A Caputo fractional derivative of a function with respect to another function. Zbl 1465.26005 Almeida, Ricardo 297 2017 Necessary and sufficient conditions for the fractional calculus of variations with Caputo derivatives. Zbl 1221.49038 Almeida, Ricardo; Torres, Delfim F. M. 108 2011 Fractional differential equations with a Caputo derivative with respect to a Kernel function and their applications. Zbl 1384.34010 Almeida, Ricardo; Malinowska, Agnieszka B.; Monteiro, M. Teresa T. 98 2018 Calculus of variations with fractional derivatives and fractional integrals. Zbl 1183.26005 Almeida, Ricardo; Torres, Delfim F. M. 81 2009 Modeling some real phenomena by fractional differential equations. Zbl 1355.34075 Almeida, Ricardo; Bastos, Nuno R. O.; Monteiro, M. Teresa T. 65 2016 A fractional calculus of variations for multiple integrals with application to vibrating string. Zbl 1309.49003 Almeida, Ricardo; Malinowska, Agnieszka B.; Torres, Delfim F. M. 65 2010 Caputo derivatives of fractional variable order: numerical approximations. Zbl 07246627 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 62 2016 Fractional order optimal control problems with free terminal time. Zbl 1278.26013 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 60 2014 The variable-order fractional calculus of variations. Zbl 1402.49002 Almeida, Ricardo; Tavares, Dina; Torres, Delfim F. M. 49 2019 Computational methods in the fractional calculus of variations. Zbl 1322.49001 Almeida, Ricardo; Pooseh, Shakoor; Torres, Delfim F. M. 47 2015 Isoperimetric problems on time scales with nabla derivatives. Zbl 1273.49024 Almeida, Ricardo; Torres, Delfim F. M. 44 2009 Analysis of a fractional SEIR model with treatment. Zbl 1474.34010 Almeida, Ricardo 39 2018 A discrete method to solve fractional optimal control problems. Zbl 1345.49022 Almeida, Ricardo; Torres, Delfim F. M. 36 2015 Fractional variational problems depending on indefinite integrals. Zbl 1236.49042 Almeida, Ricardo; Pooseh, Shakoor; Torres, Delfim F. M. 34 2012 Expansion formulas in terms of integer-order derivatives for the Hadamard fractional integral and derivative. Zbl 1248.26013 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 30 2012 A numerical study of fractional relaxation-oscillation equations involving \(\psi \)-Caputo fractional derivative. Zbl 1418.34007 Almeida, Ricardo; Jleli, Mohamed; Samet, Bessem 28 2019 Numerical approximations of fractional derivatives with applications. Zbl 1327.93165 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 27 2013 Fractional differential equations with mixed boundary conditions. Zbl 1423.34005 Almeida, Ricardo 27 2019 Leitmann’s direct method for fractional optimization problems. Zbl 1200.65049 Almeida, Ricardo; Torres, Delfim F. M. 25 2010 Existence results for fractional \(q\)-difference equations of order \(\alpha\in]2,3[\) with three-point boundary conditions. Zbl 1457.39003 Almeida, Ricardo; Martins, Natália 25 2014 Fractional variational problems with the Riesz-Caputo derivative. Zbl 1236.49044 Almeida, Ricardo 24 2012 Fractional variational calculus for nondifferentiable functions. Zbl 1222.49026 Almeida, Ricardo; Torres, Delfim F. M. 23 2011 On systems of fractional differential equations with the \(\psi \)-Caputo derivative and their applications. Zbl 1472.93073 Almeida, Ricardo; Malinowska, Agnieszka Barbara; Odzijewicz, Tatiana 23 2021 Discrete direct methods in the fractional calculus of variations. Zbl 1350.49033 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 21 2013 Approximation of fractional integrals by means of derivatives. Zbl 1268.41024 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 21 2012 Hölderian variational problems subject to integral constraints. Zbl 1169.49016 Almeida, Ricardo; Torres, Delfim F. M. 20 2009 Fractional variational principle of Herglotz. Zbl 1304.49040 Almeida, Ricardo; Malinowska, Agnieszka B. 20 2014 A Gronwall inequality for a general Caputo fractional operator. Zbl 1386.26004 Almeida, Ricardo 18 2017 A remark on local fractional calculus and ordinary derivatives. Zbl 1355.26005 Almeida, Ricardo; Guzowska, Małgorzata; Odzijewicz, Tatiana 17 2016 Caputo-Hadamard fractional derivatives of variable order. Zbl 1364.26006 Almeida, Ricardo 17 2017 Variational problems involving a Caputo-type fractional derivative. Zbl 1379.26009 Almeida, Ricardo 16 2017 What is the best fractional derivative to fit data? Zbl 1499.34025 Almeida, Ricardo 12 2017 Analysis and numerical approximation of tempered fractional calculus of variations problems. Zbl 1425.49015 Almeida, Ricardo; Morgado, M. Luísa 12 2019 Structure produit dans la categorie des algebroides de Lie. Zbl 0484.58033 Almeida, R.; Kumpera, A. 11 1981 Fractional Herglotz variational problems of variable order. Zbl 1379.49016 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 11 2018 Optimality conditions for fractional variational problems with dependence on a combined Caputo derivative of variable order. Zbl 1317.49022 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 9 2015 Further properties of Osler’s generalized fractional integrals and derivatives with respect to another function. Zbl 1434.26006 Almeida, Ricardo 9 2019 Isoperimetric problems of the calculus of variations with fractional derivatives. Zbl 1265.49022 Almeida, Ricardo; Ferreira, Rui A. C.; Torres, Delfim F. M. 9 2012 Generalized transversality conditions in fractional calculus of variations. Zbl 1279.49006 Almeida, Ricardo; Malinowska, Agnieszka B. 9 2013 Combined fractional variational problems of variable order and some computational aspects. Zbl 1392.49023 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 8 2018 A generalized fractional variational problem depending on indefinite integrals: Euler-Lagrange equation and numerical solution. Zbl 1358.93098 Almeida, Ricardo; Khosravian-Arab, Hassan; Shamsi, Mostafa 8 2013 Computing Hadamard type operators of variable fractional order. Zbl 1338.26004 Almeida, Ricardo; Torres, Delfim F. M. 7 2015 Optimal leader-follower control for the fractional opinion formation model. Zbl 1422.49027 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 7 2019 Fractional variational problems depending on indefinite integrals and with delay. Zbl 1356.49035 Almeida, Ricardo 6 2016 Nondifferentiable variational principles in terms of a quantum operator. Zbl 1241.39006 Almeida, Ricardo; Torres, Delfim F. M. 5 2011 An approximation formula for the Katugampola integral. Zbl 1362.26004 Almeida, Ricardo; Bastos, Nuno R. O. 5 2016 Optimal leader-following consensus of fractional opinion formation models. Zbl 1447.49040 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 5 2021 A numerical method to solve higher-order fractional differential equations. Zbl 1350.26010 Almeida, Ricardo; Bastos, Nuno R. O. 5 2016 On the necessary optimality conditions for the fractional Cucker-Smale optimal control problem. Zbl 1459.49011 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 5 2021 Optimality conditions for fractional variational problems with free terminal time. Zbl 1379.49014 Almeida, Ricardo 4 2018 Generalized Euler-Lagrange equations for variational problems with scale derivatives. Zbl 1195.49028 Almeida, Ricardo; Torres, Delfim F. M. 4 2010 Application of predictive control to the Hegselmann-Krause model. Zbl 1404.37118 Almeida, Ricardo; Girejko, Ewa; Machado, Luís; Malinowska, Agnieszka B.; Martins, Natália 4 2018 The Euler-Lagrange and Legendre equations for functionals involving distributed-order fractional derivatives. Zbl 1427.49018 Almeida, Ricardo; Morgado, M. Luísa 3 2018 Numerical solution for fractional variational problems using the Jacobi polynomials. Zbl 1443.49039 Khosravian-Arab, Hassan; Almeida, Ricardo 3 2015 Reduction of nondeterministic tree automata. Zbl 1420.68105 Almeida, Ricardo; Holík, Lukáš; Mayr, Richard 3 2016 Non-invasive control of the fractional Hegselmann-Krause type model. Zbl 1423.49017 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 3 2019 Non-instantaneous impulsive fractional differential equations with state dependent delay and practical stability. Zbl 1513.34294 Agarwal, Ravi; Almeida, Ricardo; Hristova, Snezhana; O’Regan, Donal 3 2021 Leader-following consensus for fractional multi-agent systems. Zbl 1485.93036 Almeida, Ricardo; Girejko, Ewa; Hristova, Snezhana; Malinowska, Agnieszka B. 3 2019 On the existence of optimal consensus control for the fractional Cucker-Smale model. Zbl 1457.93073 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 3 2020 An elementary proof of a converse mean-value theorem. Zbl 1297.97020 Almeida, Ricardo 2 2008 On the convergence of a predictor-corrector variant algorithm. Zbl 1327.90388 Almeida, R.; Teixeira, A. 2 2015 Fractional differential equations and Volterra-Stieltjes integral equations of the second kind. Zbl 1449.34009 Asanov, Avyt; Almeida, Ricardo; Malinowska, Agnieszka B. 2 2019 An extension of the fractional Gronwall inequality. Zbl 1428.26031 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 2 2020 Deciding KAT and Hoare logic with derivatives. Zbl 1459.68040 Almeida, Ricardo; Broda, Sabine; Moreira, Nelma 2 2012 A generalized proportional Caputo fractional model of multi-agent linear dynamic systems via impulsive control protocol. Zbl 1498.93023 Bohner, Martin; Hristova, Snezhana; Malinowska, Agnieszka B.; Morgado, Maria Luísa; Almeida, Ricardo 2 2022 A strong form of almost differentiability. Zbl 1193.46045 Almeida, R.; Neves, V. 1 2009 Connectedness and compactness on standard sets. Zbl 1228.03047 Almeida, Ricardo 1 2010 A discretization of the Hadamard fractional derivative. Zbl 1499.65071 Almeida, Ricardo; Bastos, Nuno R. O. 1 2016 Variational problems for Hölderian functions with free terminal point. Zbl 1309.39006 Almeida, Ricardo; Martins, Natália 1 2015 Uniform bounded input bounded output stability of fractional-order delay nonlinear systems with input. Zbl 1525.93359 Almeida, R.; Hristova, S.; Dashkovskiy, S. 1 2021 A generalized proportional Caputo fractional model of multi-agent linear dynamic systems via impulsive control protocol. Zbl 1498.93023 Bohner, Martin; Hristova, Snezhana; Malinowska, Agnieszka B.; Morgado, Maria Luísa; Almeida, Ricardo 2 2022 On systems of fractional differential equations with the \(\psi \)-Caputo derivative and their applications. Zbl 1472.93073 Almeida, Ricardo; Malinowska, Agnieszka Barbara; Odzijewicz, Tatiana 23 2021 Optimal leader-following consensus of fractional opinion formation models. Zbl 1447.49040 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 5 2021 On the necessary optimality conditions for the fractional Cucker-Smale optimal control problem. Zbl 1459.49011 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 5 2021 Non-instantaneous impulsive fractional differential equations with state dependent delay and practical stability. Zbl 1513.34294 Agarwal, Ravi; Almeida, Ricardo; Hristova, Snezhana; O’Regan, Donal 3 2021 Uniform bounded input bounded output stability of fractional-order delay nonlinear systems with input. Zbl 1525.93359 Almeida, R.; Hristova, S.; Dashkovskiy, S. 1 2021 On the existence of optimal consensus control for the fractional Cucker-Smale model. Zbl 1457.93073 Almeida, Ricardo; Kamocki, Rafał; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 3 2020 An extension of the fractional Gronwall inequality. Zbl 1428.26031 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 2 2020 The variable-order fractional calculus of variations. Zbl 1402.49002 Almeida, Ricardo; Tavares, Dina; Torres, Delfim F. M. 49 2019 A numerical study of fractional relaxation-oscillation equations involving \(\psi \)-Caputo fractional derivative. Zbl 1418.34007 Almeida, Ricardo; Jleli, Mohamed; Samet, Bessem 28 2019 Fractional differential equations with mixed boundary conditions. Zbl 1423.34005 Almeida, Ricardo 27 2019 Analysis and numerical approximation of tempered fractional calculus of variations problems. Zbl 1425.49015 Almeida, Ricardo; Morgado, M. Luísa 12 2019 Further properties of Osler’s generalized fractional integrals and derivatives with respect to another function. Zbl 1434.26006 Almeida, Ricardo 9 2019 Optimal leader-follower control for the fractional opinion formation model. Zbl 1422.49027 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 7 2019 Non-invasive control of the fractional Hegselmann-Krause type model. Zbl 1423.49017 Almeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, Tatiana 3 2019 Leader-following consensus for fractional multi-agent systems. Zbl 1485.93036 Almeida, Ricardo; Girejko, Ewa; Hristova, Snezhana; Malinowska, Agnieszka B. 3 2019 Fractional differential equations and Volterra-Stieltjes integral equations of the second kind. Zbl 1449.34009 Asanov, Avyt; Almeida, Ricardo; Malinowska, Agnieszka B. 2 2019 Fractional differential equations with a Caputo derivative with respect to a Kernel function and their applications. Zbl 1384.34010 Almeida, Ricardo; Malinowska, Agnieszka B.; Monteiro, M. Teresa T. 98 2018 Analysis of a fractional SEIR model with treatment. Zbl 1474.34010 Almeida, Ricardo 39 2018 Fractional Herglotz variational problems of variable order. Zbl 1379.49016 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 11 2018 Combined fractional variational problems of variable order and some computational aspects. Zbl 1392.49023 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 8 2018 Optimality conditions for fractional variational problems with free terminal time. Zbl 1379.49014 Almeida, Ricardo 4 2018 Application of predictive control to the Hegselmann-Krause model. Zbl 1404.37118 Almeida, Ricardo; Girejko, Ewa; Machado, Luís; Malinowska, Agnieszka B.; Martins, Natália 4 2018 The Euler-Lagrange and Legendre equations for functionals involving distributed-order fractional derivatives. Zbl 1427.49018 Almeida, Ricardo; Morgado, M. Luísa 3 2018 A Caputo fractional derivative of a function with respect to another function. Zbl 1465.26005 Almeida, Ricardo 297 2017 A Gronwall inequality for a general Caputo fractional operator. Zbl 1386.26004 Almeida, Ricardo 18 2017 Caputo-Hadamard fractional derivatives of variable order. Zbl 1364.26006 Almeida, Ricardo 17 2017 Variational problems involving a Caputo-type fractional derivative. Zbl 1379.26009 Almeida, Ricardo 16 2017 What is the best fractional derivative to fit data? Zbl 1499.34025 Almeida, Ricardo 12 2017 Modeling some real phenomena by fractional differential equations. Zbl 1355.34075 Almeida, Ricardo; Bastos, Nuno R. O.; Monteiro, M. Teresa T. 65 2016 Caputo derivatives of fractional variable order: numerical approximations. Zbl 07246627 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 62 2016 A remark on local fractional calculus and ordinary derivatives. Zbl 1355.26005 Almeida, Ricardo; Guzowska, Małgorzata; Odzijewicz, Tatiana 17 2016 Fractional variational problems depending on indefinite integrals and with delay. Zbl 1356.49035 Almeida, Ricardo 6 2016 An approximation formula for the Katugampola integral. Zbl 1362.26004 Almeida, Ricardo; Bastos, Nuno R. O. 5 2016 A numerical method to solve higher-order fractional differential equations. Zbl 1350.26010 Almeida, Ricardo; Bastos, Nuno R. O. 5 2016 Reduction of nondeterministic tree automata. Zbl 1420.68105 Almeida, Ricardo; Holík, Lukáš; Mayr, Richard 3 2016 A discretization of the Hadamard fractional derivative. Zbl 1499.65071 Almeida, Ricardo; Bastos, Nuno R. O. 1 2016 Computational methods in the fractional calculus of variations. Zbl 1322.49001 Almeida, Ricardo; Pooseh, Shakoor; Torres, Delfim F. M. 47 2015 A discrete method to solve fractional optimal control problems. Zbl 1345.49022 Almeida, Ricardo; Torres, Delfim F. M. 36 2015 Optimality conditions for fractional variational problems with dependence on a combined Caputo derivative of variable order. Zbl 1317.49022 Tavares, Dina; Almeida, Ricardo; Torres, Delfim F. M. 9 2015 Computing Hadamard type operators of variable fractional order. Zbl 1338.26004 Almeida, Ricardo; Torres, Delfim F. M. 7 2015 Numerical solution for fractional variational problems using the Jacobi polynomials. Zbl 1443.49039 Khosravian-Arab, Hassan; Almeida, Ricardo 3 2015 On the convergence of a predictor-corrector variant algorithm. Zbl 1327.90388 Almeida, R.; Teixeira, A. 2 2015 Variational problems for Hölderian functions with free terminal point. Zbl 1309.39006 Almeida, Ricardo; Martins, Natália 1 2015 Fractional order optimal control problems with free terminal time. Zbl 1278.26013 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 60 2014 Existence results for fractional \(q\)-difference equations of order \(\alpha\in]2,3[\) with three-point boundary conditions. Zbl 1457.39003 Almeida, Ricardo; Martins, Natália 25 2014 Fractional variational principle of Herglotz. Zbl 1304.49040 Almeida, Ricardo; Malinowska, Agnieszka B. 20 2014 Numerical approximations of fractional derivatives with applications. Zbl 1327.93165 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 27 2013 Discrete direct methods in the fractional calculus of variations. Zbl 1350.49033 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 21 2013 Generalized transversality conditions in fractional calculus of variations. Zbl 1279.49006 Almeida, Ricardo; Malinowska, Agnieszka B. 9 2013 A generalized fractional variational problem depending on indefinite integrals: Euler-Lagrange equation and numerical solution. Zbl 1358.93098 Almeida, Ricardo; Khosravian-Arab, Hassan; Shamsi, Mostafa 8 2013 Fractional variational problems depending on indefinite integrals. Zbl 1236.49042 Almeida, Ricardo; Pooseh, Shakoor; Torres, Delfim F. M. 34 2012 Expansion formulas in terms of integer-order derivatives for the Hadamard fractional integral and derivative. Zbl 1248.26013 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 30 2012 Fractional variational problems with the Riesz-Caputo derivative. Zbl 1236.49044 Almeida, Ricardo 24 2012 Approximation of fractional integrals by means of derivatives. Zbl 1268.41024 Pooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M. 21 2012 Isoperimetric problems of the calculus of variations with fractional derivatives. Zbl 1265.49022 Almeida, Ricardo; Ferreira, Rui A. C.; Torres, Delfim F. M. 9 2012 Deciding KAT and Hoare logic with derivatives. Zbl 1459.68040 Almeida, Ricardo; Broda, Sabine; Moreira, Nelma 2 2012 Necessary and sufficient conditions for the fractional calculus of variations with Caputo derivatives. Zbl 1221.49038 Almeida, Ricardo; Torres, Delfim F. M. 108 2011 Fractional variational calculus for nondifferentiable functions. Zbl 1222.49026 Almeida, Ricardo; Torres, Delfim F. M. 23 2011 Nondifferentiable variational principles in terms of a quantum operator. Zbl 1241.39006 Almeida, Ricardo; Torres, Delfim F. M. 5 2011 A fractional calculus of variations for multiple integrals with application to vibrating string. Zbl 1309.49003 Almeida, Ricardo; Malinowska, Agnieszka B.; Torres, Delfim F. M. 65 2010 Leitmann’s direct method for fractional optimization problems. Zbl 1200.65049 Almeida, Ricardo; Torres, Delfim F. M. 25 2010 Generalized Euler-Lagrange equations for variational problems with scale derivatives. Zbl 1195.49028 Almeida, Ricardo; Torres, Delfim F. M. 4 2010 Connectedness and compactness on standard sets. Zbl 1228.03047 Almeida, Ricardo 1 2010 Calculus of variations with fractional derivatives and fractional integrals. Zbl 1183.26005 Almeida, Ricardo; Torres, Delfim F. M. 81 2009 Isoperimetric problems on time scales with nabla derivatives. Zbl 1273.49024 Almeida, Ricardo; Torres, Delfim F. M. 44 2009 Hölderian variational problems subject to integral constraints. Zbl 1169.49016 Almeida, Ricardo; Torres, Delfim F. M. 20 2009 A strong form of almost differentiability. Zbl 1193.46045 Almeida, R.; Neves, V. 1 2009 An elementary proof of a converse mean-value theorem. Zbl 1297.97020 Almeida, Ricardo 2 2008 Structure produit dans la categorie des algebroides de Lie. Zbl 0484.58033 Almeida, R.; Kumpera, A. 11 1981 all cited Publications top 5 cited Publications all top 5 Cited by 1,457 Authors 68 Torres, Delfim Fernando Marado 50 Almeida, Ricardo 37 Malinowska, Agnieszka Barbara 36 Abdo, Mohammed Salem 35 Băleanu, Dumitru I. 34 Abdeljawad, Thabet 20 Vanterler da Costa Sousa, José 19 Zhang, Yi 18 Benchohra, Mouffak 18 Rezapour, Shahram 17 Jarad, Fahd 17 Odzijewicz, Tatiana 16 Martins, Natália F. 15 de Oliveira, Edmundo Capelas 15 Etemad, Sina 15 Ur Rehman, Mujeeb 14 Panchal, Satish Kushaba 12 El-Nabulsi, Rami Ahmad 12 Fernandez, Arran 12 Wu, Guocheng 11 Kamocki, Rafal 11 Machado, José António Tenreiro 10 Alzabut, Jehad O. 10 Baitiche, Zidane 10 Derbazi, Choukri 10 Frederico, Gastão S. F. 10 Samet, Bessem 10 Shah, Kamal 9 Ali, Saeed M. 9 Atanackovic, Teodor M. 9 Fahad, Hafiz Muhammad 9 Souid, Mohammed Said 8 Almalahi, Mohammed A. 8 Boutiara, Abdellatif 8 Nieto Roig, Juan Jose 8 Pilipović, Stevan 8 Rashid, Saima 7 Abbas, Said 7 Chu, Yuming 7 Girejko, Ewa 7 Kucche, Kishor D. 7 Ntouyas, Sotiris K. 7 Oliveira, Daniela S. 6 Ben Makhlouf, Abdellatif 6 El Mfadel, Ali 6 Ezz-Eldien, Samer S. 6 Fernández-Anaya, Guillermo 6 Ferreira, Rui A. C. 6 Gómez-Aguilar, José Francisco 6 Goodrich, Christopher S. 6 Hammouch, Zakia 6 Hussain, Azhar 6 Janev, Marko 6 Jleli, Mohamed Boussairi 6 Kaabar, Mohammed K. A. 6 Klimek, Małgorzata 6 Mali, Ashwini D. 6 Matar, Mohammed M. 6 Melliani, Said 6 Ngo Van Hoa 6 Sa Ngiamsunthorn, Parinya 6 Samei, Mohammad Esmael 6 Suragan, Durvudkhan 6 Tarasov, Vasily E. 6 Tariboon, Jessada 6 Torres Ledesma, César Enrique 6 Wahash, Hanan Abdulrahman 6 Zaky, Mahmoud A. 6 Zheng, Xiangcheng 5 Abdel-Aty, Abdel-Haleem 5 Ahmad, Bashir 5 Ardjouni, Abdelouaheb 5 Benbachir, Maamar 5 Bhrawy, Ali Hassan 5 Bouriah, Soufyane 5 Effati, Sohrab 5 Elomari, M’Hamed 5 Hendy, Ahmed S. 5 Inc, Mustafa 5 Jajarmi, Amin 5 Kumar, Sachin 5 Lachouri, Adel 5 Lotfi, Ali 5 Luo, Shaokai 5 Mehra, Mani 5 Nahak, Chandal 5 Nyamoradi, Nemat 5 Pooseh, Shakoor 5 Restrepo, Joel Esteban 5 Singha, Neelam 5 Sooppy Nisar, Kottakkaran 5 Sudsutad, Weerawat 5 Tian, Xue 5 Zada, Akbar 5 Zeid, Samaneh Soradi 5 Zhang, Xiaotian 4 Abdelkawy, Mohamed A. 4 Agarwal, Ravi P. 4 Agrawal, Om Prakash 4 Alqudah, Manar A. ...and 1,357 more Authors all top 5 Cited in 238 Serials 75 Advances in Difference Equations 46 Mathematical Methods in the Applied Sciences 38 Computational and Applied Mathematics 37 Chaos, Solitons and Fractals 35 Applied Mathematics and Computation 34 Communications in Nonlinear Science and Numerical Simulation 28 AIMS Mathematics 27 Fractional Calculus & Applied Analysis 24 Journal of Computational and Applied Mathematics 24 Journal of Function Spaces 23 Nonlinear Dynamics 22 Journal of Optimization Theory and Applications 21 Fractals 20 Applied Mathematics Letters 16 Discrete and Continuous Dynamical Systems. Series S 15 Boundary Value Problems 13 Computers & Mathematics with Applications 11 Mathematics and Computers in Simulation 11 Journal of Vibration and Control 11 Journal of Inequalities and Applications 10 Acta Mechanica 10 Journal of Mathematical Physics 10 Abstract and Applied Analysis 10 International Journal of Applied and Computational Mathematics 9 Journal of Mathematical Analysis and Applications 9 Applied Numerical Mathematics 9 International Journal of Nonlinear Sciences and Numerical Simulation 8 International Journal of Theoretical Physics 8 Rocky Mountain Journal of Mathematics 8 Mathematical Problems in Engineering 8 Journal of Pseudo-Differential Operators and Applications 7 Applied Mathematical Modelling 7 Qualitative Theory of Dynamical Systems 7 Mediterranean Journal of Mathematics 7 Journal of Mathematics 6 Physica A 6 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 6 Rendiconti del Circolo Matemàtico di Palermo. Serie II 6 Turkish Journal of Mathematics 6 Nonlinear Analysis. Modelling and Control 6 Journal of Applied Mathematics and Computing 5 Journal of Computational Physics 5 Demonstratio Mathematica 5 Numerical Methods for Partial Differential Equations 5 Archives of Control Sciences 5 Complexity 5 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 4 Optimization 4 International Journal of Computer Mathematics 4 Journal of Mathematical Sciences (New York) 4 Discrete Dynamics in Nature and Society 4 Applied Mathematics E-Notes 4 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 4 Journal of Industrial and Management Optimization 4 Optimization Letters 4 International Journal of Biomathematics 4 Tbilisi Mathematical Journal 4 Advances in Mathematical Physics 4 International Journal of Differential Equations 4 Symmetry 4 S\(\vec{\text{e}}\)MA Journal 4 Fractional Differential Calculus 4 Journal of Applied Nonlinear Dynamics 3 Journal of the Franklin Institute 3 Fuzzy Sets and Systems 3 Journal of Scientific Computing 3 Filomat 3 Journal of Difference Equations and Applications 3 Chaos 3 Lobachevskii Journal of Mathematics 3 Nonlinear Functional Analysis and Applications 3 Mathematical Modelling and Analysis 3 Discrete and Continuous Dynamical Systems. Series B 3 Journal of Applied Mathematics 3 Mathematical Biosciences and Engineering 3 Asian Journal of Control 3 Mathematical Control and Related Fields 3 Arabian Journal of Mathematics 3 Evolution Equations and Control Theory 3 Mathematics 3 Results in Applied Mathematics 2 Applicable Analysis 2 International Journal of Control 2 International Journal of Mathematical Education in Science and Technology 2 Physics Letters. A 2 Reports on Mathematical Physics 2 Information Sciences 2 Circuits, Systems, and Signal Processing 2 Acta Applicandae Mathematicae 2 Journal of Integral Equations and Applications 2 Acta Mathematica Universitatis Comenianae. New Series 2 Numerical Algorithms 2 Journal of the Egyptian Mathematical Society 2 Boletín de la Sociedad Matemática Mexicana. Third Series 2 Vietnam Journal of Mathematics 2 Soft Computing 2 Mathematica Moravica 2 Communications de la Faculté des Sciences de l’Université d’Ankara. Séries A1. Mathematics and Statistics 2 Analysis (München) 2 Acta Mathematica Sinica. English Series ...and 138 more Serials all top 5 Cited in 49 Fields 567 Ordinary differential equations (34-XX) 494 Real functions (26-XX) 226 Calculus of variations and optimal control; optimization (49-XX) 179 Numerical analysis (65-XX) 171 Partial differential equations (35-XX) 162 Operator theory (47-XX) 95 Systems theory; control (93-XX) 82 Integral equations (45-XX) 71 Biology and other natural sciences (92-XX) 56 Difference and functional equations (39-XX) 50 Special functions (33-XX) 48 Mechanics of particles and systems (70-XX) 33 Dynamical systems and ergodic theory (37-XX) 32 Integral transforms, operational calculus (44-XX) 27 Probability theory and stochastic processes (60-XX) 15 Mechanics of deformable solids (74-XX) 15 Operations research, mathematical programming (90-XX) 13 Fluid mechanics (76-XX) 13 Quantum theory (81-XX) 12 Approximations and expansions (41-XX) 12 Harmonic analysis on Euclidean spaces (42-XX) 11 Statistical mechanics, structure of matter (82-XX) 11 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 9 Computer science (68-XX) 8 Global analysis, analysis on manifolds (58-XX) 6 Measure and integration (28-XX) 6 Optics, electromagnetic theory (78-XX) 6 Classical thermodynamics, heat transfer (80-XX) 5 Functional analysis (46-XX) 5 Statistics (62-XX) 5 Information and communication theory, circuits (94-XX) 4 Mathematics education (97-XX) 3 Functions of a complex variable (30-XX) 3 Potential theory (31-XX) 3 General topology (54-XX) 2 Mathematical logic and foundations (03-XX) 2 Combinatorics (05-XX) 2 Number theory (11-XX) 2 Differential geometry (53-XX) 2 Geophysics (86-XX) 1 General and overarching topics; collections (00-XX) 1 History and biography (01-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Nonassociative rings and algebras (17-XX) 1 Group theory and generalizations (20-XX) 1 Topological groups, Lie groups (22-XX) 1 Sequences, series, summability (40-XX) 1 Convex and discrete geometry (52-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year