Thèse de doctorat : Università della Svizzera italiana, 2003 ; 2003ECO002.
The developments of financial theory in the last decades have shown that one of the most fundamental topics in Finance is the specification of dependence between different risk variables. Empirical evidence on financial time series (such as returns, interest rates, or exchange rates) as well as recent developments in risk management (such as the analysis of dependence between default risks of...
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Thèse de doctorat : Université de Fribourg, 2005.
This thesis focuses on two themes: a methodological and a decision making one. The methodological part introduces the development of a computerized information search tool. The program, called WebDiP (Web Decision Processes), enables the researcher to track participants while they are searching for information in a database. An experiment can be done either in the laboratory or on the Web. The...
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Thèse de doctorat : Université de Fribourg, 2001.
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Thèse de doctorat : Università della Svizzera italiana, 2004 ; 2004COM003.
Le nuove prospettive di marketing urbano invitano a costruire strategie di rete per migliorare l’attrattività delle città. La multidimensionalità del valore urbano non può essere rappresentato da ricerche quantitative isolate. Così questa ricerca, applicata al caso dell’area luganese, utilizza un fattore qualitativo imprescindibile del valore urbano: l’analisi della percezione degli...
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Thèse de doctorat : Université de Fribourg, 2005 ; Nr. 1465.
La théorie du champ des ligands a été utilisée avec succès durant des décennies pour décrire l’état fondamental et les états excités des complexes. Les chimistes utilisent cette théorie afin d’interpréter des spectres UV-Vis essentiellement. D’un autre côté, les chimistes computationels peuvent décrire assez précisément les propriétés correspondant à l’état...
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Thèse de doctorat : Université de Fribourg, 2005.
Prenant appui sur un large corpus d'articles de presse, de discours politiques, d'enquêtes historiques et de témoignages, cette thèse étudie l'émergence, le développement et le dénouement de la controverse dite «des fonds juifs et de l'or nazi» qui a animé l'espace public suisse entre 1995 et 1998. L'enquête commence par retracer comment, plus de cinquante ans après les faits, le...
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Thèse de doctorat : Université de Fribourg, 2000 ; No 1304.
Phenotypic plasticity and genetic differentiation of the annual weed Senecio vulgaris L. from ruderal and agricultural habitats were investigated to evaluate the implications for its biological control with the rust fungus Puccinia lagenophorae Cooke using the system management approach. Weed demographic studies are a prerequisite to any weed control strategy. The population dynamics of S....
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Thèse de doctorat : Université de Fribourg, 1999 ; no 1256.
The factors influencing the production and deposition of carbonate sediments are known. These are namely accommodation variations (eustasy and tectonics), siliciclastic sediment input, environmental changes (temperature, salinity, trophic level), nature of the producing ecologies, and the hydrodynamic regime. However, the manner in which these factors integrate through time to produce the...
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Thèse de doctorat : Université de Fribourg, 2002 ; Nr. 1396.
To cope with the daily changes in their environment, in organisms, from cyanobacteria to humans, endogenous clocks have evolved that anticipate these changes and synchronize physiology and behavior accordingly. In mammals, the central circadian pacemaker is located in the suprachiasmatic nuclei (SCN) of the hypothalamus. From there subordinated cellular clocks in the peripheral organs are...
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Thèse de doctorat : Université de Fribourg, 2002 ; no 1393.
This dissertation addresses three fundamental problems, which have to be handled in application domains like ubiquitous computing and Web services. The three problems heterogeneity, static configuration, and dynamic configuration are not only considered to persist during the near future but to increase, as similar application domains will emerge. The heterogeneity problem is defined and examples...
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