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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Formas normais de sistemas forçados / Normal forms of constrained differential systems

Herrera, Yovani Adolfo Villanueva 30 May 2017 (has links)
Submitted by Erika Demachki (erikademachki@gmail.com) on 2017-06-23T19:07:29Z No. of bitstreams: 2 Dissertação - Yovani Adolfo Villanueva Herrera - 2017.pdf: 1975075 bytes, checksum: 4226bb99e3c16dbc26f70e7f7208e2c1 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Rejected by Erika Demachki (erikademachki@gmail.com), reason: on 2017-06-29T18:25:12Z (GMT) / Submitted by Erika Demachki (erikademachki@gmail.com) on 2017-06-29T18:25:47Z No. of bitstreams: 2 Dissertação - Yovani Adolfo Villanueva Herrera - 2017.pdf: 2011176 bytes, checksum: 4107b5d00ad34d3b4127265319a99868 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Erika Demachki (erikademachki@gmail.com) on 2017-06-29T18:28:16Z (GMT) No. of bitstreams: 2 Dissertação - Yovani Adolfo Villanueva Herrera - 2017.pdf: 2011176 bytes, checksum: 4107b5d00ad34d3b4127265319a99868 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2017-06-29T18:28:16Z (GMT). No. of bitstreams: 2 Dissertação - Yovani Adolfo Villanueva Herrera - 2017.pdf: 2011176 bytes, checksum: 4107b5d00ad34d3b4127265319a99868 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2017-05-30 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / The subject of this work is the theory of normal forms of smooth vector fields of constrained systems (systems of non-linear differential-algebraic equations). In this study we introduce the qualitative theory of ordinary differential equations, with topics such as stability, structural stability, bifurcations, limit cycles and catastrophes of differential equations, and the functional singularity theory. The goal of this work is classify and normalize constrained systems, first of all from the local point of view, we'll show an idea of the global one and our final objective will be extend this theory to differenciable manifolds of dimension $n \geq 2$. / O tema deste trabalho é a teoria das formas normais de campos vetoriais suaves de sistemas forçados (sistemas de equações diferenciais-algébricas não lineares). Neste estudo entram a teoria qualitativa de equações diferenciais ordinárias, com tópicos como estabilidade, estabilidade estrutural, bifurcações, ciclos limite e catástrofes de equações diferenciais e a teoria das singularidades de funções. O objetivo do trabalho é a classificação e normalização dos sistemas forçados, primeiramente do ponto de vista local, mostraremos uma ideia da análise global e será nossa finalidade estender esta teoria para variedades diferenciáveis de dimensão $n \geq 2$.

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