221 citations · 907 across the 27 of their papers we have counts for
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math.CA2011★ 52 cited
Fractional derivatives in Dengue epidemics
Shakoor Pooseh, Helena Sofia Rodrigues, Delfim F. M. Torres
We introduce the use of fractional calculus, i.e., the use of integrals and derivatives of non-integer (arbitrary) order, in epidemiology. The proposed approach is illustrated with…
math.CA2009★ 1 cited
Time Scales and Mathematica
Artur M. C. Brito da Cruz, Helena Sofia Rodrigues, Delfim F. M. Torres
Time scales are a model of time, where the continuous and the discrete time cases are considered and merged into the same framework. In this paper some basic definitions of the tim…