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Issue DateTitleAuthor(s)TypeAccess Type
2022Multi-agent systems with memories under DoS attacksAlmeida, Ricardo; Girejko, Ewa; Machado, Luís; Malinowska, Agnieszka B.; Martins, NatáliaarticlerestrictedAccess
2023Editorial for the special issue of axioms “Calculus of variations, optimal control and mathematical biology: a themed issue dedicated to professor Delfim F. M. Torres on the occasion of his 50th birthday”Martins, Natália; Almeida, Ricardo; Silva, Cristiana J.; Ammi, Moulay Rchid SidiarticleopenAccess
2021New variational problems with an action depending on generalized fractional derivatives, the free endpoint conditions, and a real parameterAlmeida, Ricardo; Martins, NatáliaarticleopenAccess
6-Mar-2018The Cape Verde International Days on Mathematics 2017Torres, Delfim F. M.; Almeida, Ricardo; Fortes, Paulino; Mozyrska, DorotaarticleopenAccess
2019A fractional measles model having monotonic real statistical data for constant transmission rate of the diseaseAlmeida, Ricardo; Qureshi, SaniaarticleopenAccess
2019The variable order fractional calculus of variationsAlmeida, Ricardo; Tavares, Dina; Torres, Delfim F. M.bookrestrictedAccess
2-Jul-2021Variational problems with time delay and higher-order distributed-order fractional derivatives with arbitrary kernelsCruz, Fátima; Almeida, Ricardo; Martins, NatáliaarticleopenAccess
2021Non-instantaneous impulsive fractional differential equations with state dependent delay and practical stabilityAgarwal, Ravi; Almeida, Ricardo; Hristova, Snezhana; O’Regan, DonalarticleopenAccess
2-Aug-2021Approximate iterative method for initial value problem of impulsive fractional differential equations with generalized proportional fractional derivativesAgarwal, Ravi P.; Hristova, Snezhana; O’Regan, Donal; Almeida, RicardoarticleopenAccess
2021Evacuation by leader-follower model with bounded confidence and predictive mechanismsAlmeida, Ricardo; Girejko, Ewa; Machado, Luís; Malinowska, Agnieszka B.; Martins, NatáliaarticleopenAccess
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