Showing results 38 to 57 of 84
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Issue Date | Title | Author(s) | Type | Access Type |
2021 | A generalization of a fractional variational problem with dependence on the boundaries and a real parameter | Almeida, Ricardo; Martins, Natália | article | |
Jan-2017 | Generalized Fuzzy Euler-Lagrange equations and transversality conditions | Fard, Omid Solaymani; Almeida, Ricardo; Soolaki, Javad; Borzabadi, Akbar Hashemi | article | |
Dec-2022 | A generalized proportional Caputo fractional model of multi-agent linear dynamic systems via impulsive control protocol | Bohner, Martin; Hristova, Snezhana; Malinowska, Agnieszka B.; Morgado, Maria Luísa; Almeida, Ricardo | article | |
2021 | Global stability condition for the disease-free equilibrium point of fractional epidemiological models | Almeida, Ricardo; Martins, Natália; Silva, Cristiana J. | article | |
2017 | A Gronwall inequality for a general Caputo fractional operator | Almeida, Ricardo | article | |
Dec-2022 | Herglotz variational problems involving distributed-order fractional derivatives with arbitrary smooth kernels | Cruz, Fátima; Almeida, Ricardo; Martins, Natália | article | |
Mar-2012 | Isoperimetric problems of the calculus of variations with fractional derivatives | Almeida, Ricardo; Ferreira, Rui A. C.; Torres, Delfim F. M. | article | |
24-Jul-2019 | Leader-following consensus for fractional multi-agent systems | Almeida, Ricardo; Girejko, Ewa; Hristova, Snezhana; Malinowska, Agnieszka B. | article | |
Jul-2022 | Minimization problems for functionals depending on generalized proportional fractional derivatives | Almeida, Ricardo | article | |
15-Nov-2016 | Modeling some real phenomena by fractional differential equations | Almeida, Ricardo; Bastos, Nuno R. O.; Monteiro, M. Teresa T. | article | |
2022 | Multi-agent systems with memories under DoS attacks | Almeida, Ricardo; Girejko, Ewa; Machado, Luís; Malinowska, Agnieszka B.; Martins, Natália | article | |
2021 | New variational problems with an action depending on generalized fractional derivatives, the free endpoint conditions, and a real parameter | Almeida, Ricardo; Martins, Natália | article | |
2021 | Non-instantaneous impulsive fractional differential equations with state dependent delay and practical stability | Agarwal, Ravi; Almeida, Ricardo; Hristova, Snezhana; O’Regan, Donal | article | |
2019 | Non-invasive control of the fractional Hegselmann-Krause type model | Almeida, Ricardo; Malinowska, A.B.; Odzijewicz, T. | bookPart | |
Dec-2011 | Nondifferentiable variational principles in terms of a quantum operator | Almeida, Ricardo; Torres, Delfim F. M. | article | |
Jun-2016 | A numerical method to solve higher-order fractional differential equations | Almeida, Ricardo; Bastos, Nuno R. O. | article | |
2024 | A numerical scheme for a generalized fractional derivative with variable order | Almeida, Ricardo | bookPart | |
1-Nov-2015 | Numerical solution for fractional variational problems using the Jacobi polynomials | Khosravian-Arab, Hassan; Almeida, Ricardo | article | |
Jul-2019 | A numerical study of fractional relaxation–oscillation equations involving ψ-Caputo fractional derivative | Almeida, Ricardo; Jleli, Mohamed; Samet, Bessem | article | |
12-Jun-2020 | On leader-following consensus in multi-agent systems with discrete updates at random times | Almeida, Ricardo; Girejko, Ewa; Hristova, Snezhana; Malinowska, Agnieszka | article | |