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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

O Teorema de Bohnenblust-Hille

Alarcón, Daniel Núñez 15 July 2011 (has links)
Made available in DSpace on 2015-05-15T11:46:01Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1973222 bytes, checksum: 2211069e3e843d6b7636b5e87d4ea973 (MD5) Previous issue date: 2011-07-15 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / The Bohnenblust-Hille Theorem, proved in 1931 in the prestigious journal Annals of Mathematics, asserts that if U : lN 1 ----- lN 1 --! K is an n-linear form and N is a positive integer N, then 0@ N X i1;:::;in=1 jU(ei1 ; :::; ein)j 2n n+11A n+1 2n - Cn kUk , with Cn = n n+1 2n 2 n--1 2 . After a long time overlooked, this result has been explored in the recent years. In this work we detail a beautiful proof of the Bohnenblust-Hille Theorem, due to A. Defant, U. Schwarting and D. Popa. We also investigate the estimates of the constants involved and some asymptotic information, following a recent work of D. Pellegrino and J. Seoane-Sepúlveda. / O Teorema de Bohnenblust-Hille, demonstrado em 1931 no prestigioso jornal Annals of Mathematics, garante que para toda forma n-linear U : lN 1 - - - - lN 1--! K e para qualquer inteiro positivo N, tem-se - - - - - - - - - - - - - - - - 2 . Após um longo tempo esquecido, esse resultado tem sido bastante explorado nos últimos anos. Neste trabalho fazemos, com detalhes, uma bela demonstração do Teorema de Bohnenblust-Hille, devida a A. Defant, U. Schwarting e D. Popa. Também destacamos o cálculo de estimativas das constantes envolvidas e algumas informações assintóticas, de acordo com um recente trabalho de D. Pellegrino e J. Seoane-Sepúlveda.

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