4 citations · 5 across the 2 of their papers we have counts for
2 papers
math.DS2015★ 4 cited
On the periodic solutions of discontinuous piecewise differential systems
Jaume Llibre, Douglas Duarte Novaes
Motivated by problems coming from different areas of the applied science we study the periodic solutions of the following differential system $$x'(t)=F_0(t,x)+\varepsilon F_1(t,x)+…
q-fin.GN2012★ 1 cited
Physical assets replacement: an analytical approach
Igor Gimenes Cesca, Douglas Duarte Novaes
The economic life of an asset is the optimum length of its usefulness, which is the moment that the asset's expenses are minimum. In this paper, the economic life of physical asset…