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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

Defeating Authoritarian State Structures in Semi-Democratic Countries: Lessons from Turkey’s Justice and Development Party

Saglam, Gulcan 25 December 2012 (has links)
Political success in semi-democratic countries has two aspects: shifting the balance of power in one’s favor and maintaining it. This thesis seeks to examine how the AKP has succeeded in shifting the balance of power in its favor while its predecessor the Welfare Party did not. Focusing on electoral success, existing research primarily lists center-periphery conflict, moderation, class struggle, party organization, and failures of others as the main determinants. Yet the significance of reining in the power of the Kemalist state structure has been mostly disregarded. Therefore, with a comparison of the AKP (2002-2007) and the Welfare Party (1996-1997) governments, this study tests one assertion using most-similar systems research design that in semi-democratic political settings with strong authoritarian actors, political parties that build broad coalitions via group specific policy promises will be more likely to shift the balance of power in favor of themselves than actors that lack such connections.
2

Modelo de Potts com interações aleatórias em redes fractais

ANDRADE, Pedro Henrique A. de 31 January 2012 (has links)
Submitted by Danielle Karla Martins Silva (danielle.martins@ufpe.br) on 2015-03-06T13:36:10Z No. of bitstreams: 2 Dissertação_Pedro_Avelino.pdf: 1323463 bytes, checksum: e318ba395aedcf401b84f9051875d9eb (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) / Made available in DSpace on 2015-03-06T13:36:10Z (GMT). No. of bitstreams: 2 Dissertação_Pedro_Avelino.pdf: 1323463 bytes, checksum: e318ba395aedcf401b84f9051875d9eb (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Previous issue date: 2012 / O estudo das intera¸c˜oes entre os spins em materiais magn´eticos ´e um tema de grande importˆancia em mecˆanica estat´ıstica. A investiga¸c˜ao das grandezas termodinˆamicas e estat´ısticas de modelos de spins, tal como o modelo de Potts, ajudam a entender melhor a dinˆamica de sistemas complexos, possibilitando uma grande variedade de aplica¸c˜oes em diversas ´areas. No caso do modelo de Potts, por exemplo, suas aplica¸c˜oes v˜ao desde a teoria de grafos em F´ısica Matem´atica, simula¸c˜oes de forma¸c˜ao de guetos ´etnicos em Sociologia at´e estudos sobre padr˜ao de crescimento de c´elulas malignas e sua influˆencia no crescimento de tumores de cˆancer. Nesta disserta¸c˜ao, investiga-se a transi¸c˜ao de fase do modelo de Potts com q estados, definido em uma rede fractal e com intera¸c˜oes aleat´orias (positivas e negativas) entre spins primeiros vizinhos. Os valores dessas intera¸c˜oes s˜ao escolhidos randomicamente a partir de uma fun¸c˜ao de densidade de probabilidades e distribu´ıdas em uma rede hier´arquica da fam´ılia diamante com fator de escala 3. Considerou-se as seguintes fun¸c˜oes sim´etricas: gaussiana (normal), delta-bimodal, uniforme e exponencial. Essa fam´ılia de redes ´e constru ´ıda de uma maneira iterativa em um processo que lhe assegura a propriedade de invariˆancia de escala, possibilitando assim que a t´ecnica do grupo de renormaliza¸c˜ao no espa¸co real de Migdal-Kadanoff seja apropriada para estudar os fenˆomenos cr´ıticos do modelo em tais redes. As equa¸c˜oes de renormaliza¸c˜ao para os acoplamentos e para suas correspondentes transmissividades t´ermicas foram obtidas de forma anal´ıtica exata. Utilizando o m´etodo conhecido como m´etodo dos reservat´orios foi poss´ıvel analisar numericamente a evolu¸c˜ao das distribui¸c˜oes dos acoplamentos renormalizados e verificar a existˆencia de uma transi¸c˜ao da fase paramagn´etica de altas temperaturas para a fase condensada em baixas temperaturas, determinando-se os respectivos pontos cr´ıticos para os casos particulares com o n´umero de estados de Potts q = 3, 4, 5 e 6, em redes com dimens˜ao fractal Df = 4, 5 e 6. Para cada modelo espec´ıfico com n´umero de estados de Potts q = 3, 4, 5 e 6, foi tamb´em calculada a correspondente dimens˜ao cr´ıtica inferior, abaixo da qual a transi¸c˜ao de fase n˜ao ´e observada
3

Defeating Authoritarian State Structures in Semi-Democratic Countries: Lessons from Turkey's Justice and Development Party

Saglam, Gulcan 01 December 2012 (has links)
Political success in semi-democratic countries has two aspects: shifting the balance of power in one’s favor and maintaining it. This thesis seeks to examine how the AKP has succeeded in shifting the balance of power in its favor while its predecessor the Welfare Party did not. Focusing on electoral success, existing research primarily lists center-periphery conflict, moderation, class struggle, party organization, and failures of others as the main determinants. Yet the significance of reining in the power of the Kemalist state structure has been mostly disregarded. Therefore, with a comparison of the AKP (2002-2007) and the Welfare Party (1996-1997) governments, this study tests one assertion using most-similar systems research design that in semi-democratic political settings with strong authoritarian actors, political parties that build broad coalitions via group specific policy promises will be more likely to shift the balance of power in favor of themselves than actors that lack such connections.

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