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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.
1

On the Bäcklund and Darboux transformations for the Tzitzéica model

Araújo, Thiago Rocha [UNESP] 27 February 2012 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:25:34Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-02-27Bitstream added on 2014-06-13T20:14:11Z : No. of bitstreams: 1 araujo_tr_me_ift.pdf: 881497 bytes, checksum: a79452d2012b2cd3aeeef033b1587a02 (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / Consideramos dois métodos, chamados transformações de Darboux e Bäcklund, para geração de soluções solitonicas no modelo integrável de Tzitzéica. No contexto de modelos com defeitos, tratamos estas transformações e percebemos que elas estão escondidas no sistema sob a forma de condições sobre o defeito. Por fim, usando as profundas relações entre teorias clássicas de superfícies e solitons, mostramos que os métodos de Bäcklund e Darboux estão intimimamente relacionadas com a clássica transformação de Tzitzéica / We consider two methods, called Darboux and Bäcklund transformations, for generating of solitonic solutions in the Tzitzéica integrable model. In the context of models with defects, we treat these transformations and we realized that they are hidden under the form of conditions over the defect. At the end, using the deep relations between classical theories of surfaces and solitons, we show that the Bäcklund and Darboux methods are intimately related with the classical Tzitzéica transformation
2

On the Bäcklund and Darboux transformations for the Tzitzéica model /

Araújo, Thiago Rocha. January 2012 (has links)
Orientador: José Francisco Gomes / Coorientador: Abraham Hirsz Zimerman / Banca: Horatiu Nastase / Banca: Francesco Toppan / Resumo: Consideramos dois métodos, chamados transformações de Darboux e Bäcklund, para geração de soluções solitonicas no modelo integrável de Tzitzéica. No contexto de modelos com defeitos, tratamos estas transformações e percebemos que elas estão escondidas no sistema sob a forma de condições sobre o defeito. Por fim, usando as profundas relações entre teorias clássicas de superfícies e solitons, mostramos que os métodos de Bäcklund e Darboux estão intimimamente relacionadas com a clássica transformação de Tzitzéica / Abstract: We consider two methods, called Darboux and Bäcklund transformations, for generating of solitonic solutions in the Tzitzéica integrable model. In the context of models with defects, we treat these transformations and we realized that they are hidden under the form of conditions over the defect. At the end, using the deep relations between classical theories of surfaces and solitons, we show that the Bäcklund and Darboux methods are intimately related with the classical Tzitzéica transformation / Mestre

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