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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 ...
Autofuncões do modelo de Timoshenko em um sistema de duas vigas acopladas elasticamente
(Universidade Federal de Santa Maria, 2016-11-23)
This study aims to determine the eigenfunctions or vibration modes of a system composed
of two beams coupled by an elastic layer and modeled mathematically by Timoshenko
theory for beams. The study is conducted through ...
Classificação de singularidades semi- hiperbólicas e nilpotentes de campos planares analíticos
(Universidade Federal de Santa Maria, 2017-07-12)
In this work, we present some results of Qualitative Theory of Planar Ordinary Differential Equations employed in the investigation of the behavior of solutions in the neighborhood of semi-hyperbolic and nilpotent singularities.
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.
Instabilidade difusiva em um modelo presa-predador generalista
(Universidade Federal de Santa Maria, 2017-01-26)
In this work, we investigate the pattern formation of a reaction-diffusion generalist
predator-prey system with constant alternative food source and a Holling type III
functional response. The local model can exhibit up ...
Uma classe de problemas de Dirichlet do tipo p(x)-laplaciano
(Universidade Federal de Santa Maria, 2019-04-11)
We study the following class of PDEs of 𝑝�(𝑥�)-laplacian type
﹛−div (︂𝜑�(𝑥�, |∇𝑢�|)∇𝑢�)︂ = 𝜆�𝑓�(𝑥�, 𝑢�), if 𝑥� ∈ Ω
𝑢�(𝑥�) = 0, if 𝑥� ∈ 𝜕�Ω,
where Ω ⊂ R𝑁� is a bounded domain with a Lipschitz boundary ...
Superfícies de curvatura média constante com bordo plano em R3
(Universidade Federal de Santa Maria, 2019-05-20)
In this work, we will show that for each H such that AH2 < 2 , where A represents the
area of
and = p5−1
2 , the Dirichlet problem
(PD)H8>
<>
:
div ru p1+|ru|2 = −2H em
u = 0 em @
,
is solvable, for ...
Extensões de Hopf-Ore e a décima conjectura de Kaplansky
(Universidade Federal de Santa Maria, 2019-06-28)
In this work we will treat, in particular, of the Hopf algebras and Hopf-Ore extensions.
One of ours main goals is to prove a theorem that characterizes when a Hopf algebra R
is a extension of Hopf-Ore of a Hopf algebra ...
O anel de GREEN da álgebra de TAFT
(Universidade Federal de Santa Maria, 2019-06-28)
The aim of this work is to characterize the Green ring of Taft algebra, denoted by 𝑇�𝑁�(𝑞�),
where 𝑁� is a positive integer greater than 1 and 𝑞� is a primitive root of unity of order
𝑁�. The Green ring, denoted ...