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La dollarisation des économies émergentes
2002
Current discussions about dollarization/euroization are built on substitution models and cost/benefits analysis. This working paper aims to go beyond these explanations based on a functionalist definition of money. An institutionalist definition of money advocates analyzing de facto dollarization more broadly as a legitimacy crisis of the unit of account that damages monetary sovereignty and of whom authorities try to check in a kind o f institutional resistance. A macroeconomic definition of money involves questionning full and de jure dollarization consistency with both of principles guiding the monetary economy of production: (1) endogeneity of money; (2) merger between monetary space an…
CCDC 1490706: Experimental Crystal Structure Determination
2017
Related Article: Diego Rota Martir, Cristina Momblona, Antonio Pertegás, David B. Cordes, Alexandra M. Z. Slawin, Henk J. Bolink, and Eli Zysman-Colman|2016|ACS Applied Materials and Interfaces|8|33907|doi:10.1021/acsami.6b14050
On continua whose hyperspace of subcontinua is σ-locally connected
1999
Abstract We provide a structural characterization of all continua X whose hyperspace C ( X ) of all subcontinua is the countable union of Peano continua. Applying this result we prove that there exists a uniformly path connected continuum X with no continuous mapping from C ( X ) onto X.
Dynamics of a harmonic oscillator coupled with a Glauber amplifier
2020
A system of a quantum harmonic oscillator bi-linearly coupled with a Glauber amplifier is analysed considering a time-dependent Hamiltonian model. The Hilbert space of this system may be exactly subdivided into invariant finite dimensional subspaces. Resorting to the Jordan-Schwinger map, the dynamical problem within each invariant subspace may be traced back to an effective SU(2) Hamiltonian model expressed in terms of spin variables only. This circumstance allows to analytically solve the dynamical problem and thus to study the exact dynamics of the oscillator-amplifier system under specific time-dependent scenarios. Peculiar physical effects are brought to light by comparing the dynamics…