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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

Sistema de monomios para un cuerpo residual algebraicamente cerrado

Ugarte Guerra, Francisco 25 September 2017 (has links)
En el presente artculo demostramos que si el cuerpo valorado es henseliano y su cuerpo residual esalgebraicamente cerrado, es posible construir un sistema demonomios.
2

Lógica de topos e aplicações / Topos logic and applications

Cahali, Arthur Francisco Schwerz 12 June 2019 (has links)
A primeira noção de topos, a de topos de Grothendieck, surgiu há cerca de 50 anos a partir de uma generalização do conceito de feixe na geometria algébrica. Poucos anos mais tarde, uma axiomatização categorial de algumas das propriedades de um topos de Grothendieck deu origem a uma segunda noção de topos, a de topos elementar; e essa descrição permitiu estabelecer ligações entre essas categorias e teoria dos conjuntos e lógica. Neste trabalho, estudamos a teoria de topos com um foco especial na construção da lógica interna dos topoi, e exploramos sua relação com modelos Heyting-valorados. / The first definition of a topos, that of a Grothendieck topos, emerged roughly 50 years ago from a generalization of the notion of sheaves in algebraic geometry. Few years later, a categorical axiomatization of some properties of Grothendieck topoi gave rise to a second notion of topoi, that of an elementary topos; and this description made it possible to establish connections between these categories and set theory and logic. In this work, we study topos theory with a particular focus on the construction of the internal logic of topoi, and explore its relation to Heyting-valued models.
3

Análisis de beneficios valorados en cervezas artesanales en Lima moderna

De Lama Allende, Miguel Angel 12 February 2019 (has links)
La presente investigación tiene como objetivo principal determinar y analizar los beneficios valorados de los consumidores de cerveza artesanal que viven en Lima Moderna. Para la presente tesis se realizó una investigación cualitativa que consistió en 4 entrevistas en profundidad y un mini focus group y además se una investigación cuantitativa a través de 377 encuestas aplicadas a la población objetivo. En el capítulo 1 se presenta el marco teórico utilizado en la investigación, el cual incluye los antecedentes (estudios relacionados al mercado de cerveza artesanal en Perú y en el mundo), el marco conceptual e información del mercado de cerveza artesanal. En el capítulo 2, se plantea el problema de investigación, las hipótesis, los objetivos principales de la investigación y la justificación de la elección del tema. El capítulo 3 describe el público objetivo y las metodologías utilizada para realizar la investigación. En el capítulo 4 se presenta el análisis de la investigación, el cual está alineado a los objetivos y las hipótesis planteadas en el capítulo 2. Se pudo concluir que los beneficios valorados más importantes para a los consumidores de cerveza artesanal peruana en Lima Moderna son disfrutar de la experiencia sensorial y disfrutar de la experiencia de prueba. Además, el beneficio de autoexpresión surge como la principal variable para segmentar el mercado. En la última parte de la investigación se presentan las referencias bibliográficas utilizadas para la elaboración de la investigación así como los anexos. / The main objective of this research is to determine and analyze the valued benefits of craft beer consumers living in Modern Lima. For the present thesis, a qualitative research was carried out that consisted of 4 in-depth interviews and a mini focus group and also a quantitative research through 377 surveys applied to the target population. Chapter 1 presents the theoretical framework used in the research, which includes the background (studies related to the craft beer market in Peru and the world), the conceptual framework and the panorama of the craft beer industry in Latin America and in the world. In chapter 2, the research problem, the hypotheses, the main objectives of the research and the justification of the choice of topic are presented. Chapter 3 describes the target audience and the methodologies used to conduct the research. Chapter 4 presents the analysis of the research, which is aligned to the objectives and hypotheses set out in chapter 2. It was concluded that the most important valued benefits for consumers of Peruvian craft beer in Modern Lima are to enjoy the sensory experience and enjoy the test experience. In addition, the benefit of self-expression emerges as the main variable to segment the market. The findings coincide with the concepts and trends described in the theoretical framework. In the last part of the investigation, the bibliographic references and the annexes are presented. / Tesis

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