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Álgebras de Hopf trançadas na categoria dos módulos de Yetter-Drinfeld
(Universidade Federal de Santa Maria, 2018-06-25)
Some Hopf algebras braided in the Yetter-Drinfeld modules category have an important role in the classification of pointed Hopf algebras. Our main goal in this work will be to characterize braided Hopf algebras in ...
Modelos de autômatos celulares para febre amarela silvestre em bugios
(Universidade Federal de Santa Maria, 2018-02-28)
In this work, discrete mathematical models are proposed to analyze the dynamics of a population
of howler monkeys stricken with periodic outbreaks of yellow fever. Using the cellular
automata framework, the models describe ...
Existência e configuração de ciclos limites em sistemas diferenciais planares
(Universidade Federal de Santa Maria, 2018-03-16)
In this dissertation, we present results on the existence of limit cycles in planar differential
systems, configuration of such cycles and the dynamics of nonlinear systems near periodic
orbits.
O problema de Dirichlet para a equação das hipersuperfícies mínimas em domínios arbitrários de uma variedade Riemanniana
(Universidade Federal de Santa Maria, 2018-08-22)
In this work we study the Dirichlet problem for the minimal graph equation on C2-domains Ω ⊂ M , where M is an arbitrary complete Riemanniam manifold. We show that, in the case where Ω is bounded, for ϕ ∈ C2(∂Ω), there ...
O problema de Dirichlet para a EDP da curvatura média constante em variedades de curvatura de Ricci não negativa
(Universidade Federal de Santa Maria, 2018-05-22)
In this work we study the Dirichlet problem for the constant mean curvature equation in
bounded, mean convex and C2; - domains contained in a complete Riemannian manifold.
We show an existence and uniqueness result for ...