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Issue DateTitleAuthor(s)TypeAccess Type
Mar-2012Isoperimetric problems of the calculus of variations with fractional derivativesAlmeida, Ricardo; Ferreira, Rui A. C.; Torres, Delfim F. M.articleopenAccess
2012Discrete Direct Methods in the Fractional Calculus of VariationsPooseh, Shakoor; Almeida, Ricardo; Torres, Delfim F. M.conferenceObjectopenAccess
Dec-2011Nondifferentiable variational principles in terms of a quantum operatorAlmeida, Ricardo; Torres, Delfim F. M.articlerestrictedAccess
2010Fractional Euler-Lagrange differential equations via Caputo derivativesAlmeida, Ricardo; Malinowska,Agnieszka; Torres, DelfimconferenceObjectopenAccess
Dec-2019Fractional differential equations and Volterra–Stieltjes integral equations of the second kindAsanov, Avyt; Almeida, Ricardo; Malinowska, Agnieszka B.articleopenAccess
May-2023Calculus of variations, optimal control, and mathematical biology: a themed issue dedicated to Professor Delfim F. M. Torres on the occasion of his 50th birthdayMartins, Natália; Almeida, Ricardo; Silva, Cristiana João Soares da; Ammi, Moulay Rchid SidibookopenAccess
2020Dynamical analysis of a fractional SIR model with treatment and quarantineAlmeida, RicardoarticleopenAccess
2019A fractional measles model having monotonic real statistical data for constant transmission rate of the diseaseAlmeida, Ricardo; Qureshi, SaniaarticleopenAccess
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
15-Jul-2021On systems of fractional differential equations with the ψ‐Caputo derivative and their applicationsAlmeida, Ricardo; Malinowska, Agnieszka B.; Odzijewicz, TatianaarticlerestrictedAccess
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