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2019
An epidemiological MSEIR model described by the Caputo fractional derivative
Almeida, Ricardo
;
Cruz, Artur Miguel
;
Martins, Natália
;
Monteiro, Maria Teresa
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
2-Jul-2021
Variational problems with time delay and higher-order distributed-order fractional derivatives with arbitrary kernels
Cruz, Fátima
;
Almeida, Ricardo
;
Martins, Natália
article
2021
Global stability condition for the disease-free equilibrium point of fractional epidemiological models
Almeida, Ricardo
;
Martins, Natália
;
Silva, Cristiana J.
article
2021
A generalization of a fractional variational problem with dependence on the boundaries and a real parameter
Almeida, Ricardo
;
Martins, Natália
article
2021
Optimality conditions for variational problems involving distributed-order fractional derivatives with arbitrary kernels
Cruz, Fátima
;
Almeida, Ricardo
;
Martins, Natália
article
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Author
2
Cruz, Fátima
1
Cruz, Artur Miguel
1
Monteiro, Maria Teresa
1
Silva, Cristiana J.
Subject
3
Isoperimetric problems
2
Calculus of variations
2
Euler–Lagrange equation
2
Holonomic problems
2
Natural boundary conditions
1
Epidemics
1
Epidemiology
1
Equilibrium
1
Euler-Lagrange equation
1
Euler–Lagrange equations
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Date issued
5
2021
1
2019