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1000 tulosta hakusanalla Matthieu Durel

Complexity in Financial Markets

Complexity in Financial Markets

Matthieu Cristelli

Springer International Publishing AG
2013
sidottu
Tools and methods from complex systems science can have a considerable impact on the way in which the quantitative assessment of economic and financial issues is approached, as discussed in this thesis. First it is shown that the self-organization of financial markets is a crucial factor in the understanding of their dynamics. In fact, using an agent-based approach, it is argued that financial markets’ stylized facts appear only in the self-organized state. Secondly, the thesis points out the potential of so-called big data science for financial market modeling, investigating how web-driven data can yield a picture of market activities: it has been found that web query volumes anticipate trade volumes. As a third achievement, the metrics developed here for country competitiveness and product complexity is groundbreaking in comparison to mainstream theories of economic growth and technological development. A key element in assessing the intangible variables determining the success of countries in the present globalized economy is represented by the diversification of the productive basket of countries. The comparison between the level of complexity of a country's productive system and economic indicators such as the GDP per capita discloses its hidden growth potential.
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Complexity in Financial Markets

Complexity in Financial Markets

Matthieu Cristelli

Springer International Publishing AG
2015
nidottu
Tools and methods from complex systems science can have a considerable impact on the way in which the quantitative assessment of economic and financial issues is approached, as discussed in this thesis. First it is shown that the self-organization of financial markets is a crucial factor in the understanding of their dynamics. In fact, using an agent-based approach, it is argued that financial markets’ stylized facts appear only in the self-organized state. Secondly, the thesis points out the potential of so-called big data science for financial market modeling, investigating how web-driven data can yield a picture of market activities: it has been found that web query volumes anticipate trade volumes. As a third achievement, the metrics developed here for country competitiveness and product complexity is groundbreaking in comparison to mainstream theories of economic growth and technological development. A key element in assessing the intangible variables determining the success of countries in the present globalized economy is represented by the diversification of the productive basket of countries. The comparison between the level of complexity of a country's productive system and economic indicators such as the GDP per capita discloses its hidden growth potential.
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Quantum Dynamics and Laser Control for Photochemistry

Quantum Dynamics and Laser Control for Photochemistry

Matthieu Sala

Springer International Publishing AG
2016
sidottu
The central subject of this thesis is the theoretical description of ultrafast dynamical processes in molecular systems of chemical interest and their control by laser pulses. This work encompasses different cutting-edge methods in quantum chemistry, quantum dynamics and for the rigorous description of the interaction of light and matter at the molecular level. It provides a general quantum mechanical framework for the description of chemical processes guided by laser pulses, in particular near conical intersections, i.e. geometries where the nuclear and electronic motions couple and the molecule undergoes non-adiabatic (or non-Born-Oppenheimer) dynamics. In close collaboration with experimentalists, the author succeeds in making a decisive step to link and to apply quantum physics to chemistry by transferring state of the art techniques and concepts developed in physics to chemistry, such as “light dressed atoms and molecules” and “adiabatic Floquet theory”. He applies these techniques in three prototypic model systems (aniline, pyrazine and NHD2) using high-level electronic structure calculations. Readers will enjoy the comprehensive and accessible introduction to the topic and methodology, as well as the clear structure of the thesis.
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Quantum Dynamics and Laser Control for Photochemistry

Quantum Dynamics and Laser Control for Photochemistry

Matthieu Sala

Springer International Publishing AG
2018
nidottu
The central subject of this thesis is the theoretical description of ultrafast dynamical processes in molecular systems of chemical interest and their control by laser pulses. This work encompasses different cutting-edge methods in quantum chemistry, quantum dynamics and for the rigorous description of the interaction of light and matter at the molecular level. It provides a general quantum mechanical framework for the description of chemical processes guided by laser pulses, in particular near conical intersections, i.e. geometries where the nuclear and electronic motions couple and the molecule undergoes non-adiabatic (or non-Born-Oppenheimer) dynamics. In close collaboration with experimentalists, the author succeeds in making a decisive step to link and to apply quantum physics to chemistry by transferring state of the art techniques and concepts developed in physics to chemistry, such as “light dressed atoms and molecules” and “adiabatic Floquet theory”. He applies these techniques in three prototypic model systems (aniline, pyrazine and NHD2) using high-level electronic structure calculations. Readers will enjoy the comprehensive and accessible introduction to the topic and methodology, as well as the clear structure of the thesis.
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Glück

Glück

Matthieu Ricard

Knaur MensSana TB
2009
pokkari
?Glück ist kein Zufall, sondern jeder kann es erlernen?, meint Matthieu Ricard. Es entsteht, wissenschaftlich messbar, aus einem inneren Gleichgewicht von Körper und Geist. Es ist das Resultat eines Reifungsprozesses, der ganz allein von jedem Menschen selbst abhängt. Dazu gehört auch, sich von der Macht negativer Emotionen wie Hass, Neid, Verlangen und Ich-Bezogenheit zu befreien und sich stattdessen von Mitgefühl, Demut und Güte leiten zu lassen, um im Einklang mit sich und der Welt zu leben. Dieser innere Zustand, der nicht von äußeren Umständen abhängig ist, ist der Schlüssel zu lebenslangem, tief empfundenem Glück. Kleine Übungen und Meditationsanleitungen am Ende eines jeden Kapitels weisen einen klaren Weg zu einem glücklicheren Leben.
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Application of CYP Bioeconomic model to the Southern Gulf of Guinea

Application of CYP Bioeconomic model to the Southern Gulf of Guinea

Matthieu Mongolu Bongu; Jongoh Nam

Editions Universitaires Europeennes
2017
pokkari
Application of Clarke Yoshimoto Pooley (CYP) bioeconomic model to the Southern Gulf of Guinea sardinella fishery is estimated in this study. It standardizes fishing efforts for the three fisheries (gillnet, purse seine and pelagic trawl) using the general linear method and uses surplus production model based on the exponential growth model. The CYP model estimates a maximum sustainable yield (MSY) and fishing efforts (EMSY) of 825 vessels which maximize the harvest at MSY. The results show that the present level of exploitation with the MSY level of 46,111 tonnes implies biological overfishing of the sardinella stock. These results show that the present level of exploitation with the MSY level confirm that biological overfishing of the sardinella stock has occurred. Given the overexploited status of the sardinella resource, the fishing effort at the level of MSY can gradually recover the resource, but cannot achieve the maximum net revenue until the resource recovers to the steady state biomass associated with MEY. Moreover, the model estimates also the maximum economic yield (MEY) of 43,154 tonnes and the fishing efforts (EMEY) of 560 vessels at MEY.
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