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Asociația Ad Astra a anunțat câștigătorii Premiilor Ad Astra 2022: http://premii.ad-astra.ro/. Proiectul și-a propus identificarea și popularizarea modelelor de succes, a rezultatelor excepționale ale cercetătorilor români din țară și din afara ei.
Publicatii proprii
Multigrid Solution of a Distributed Optimal Control Problem Constrained by the Stokes Equations
In this work we construct multigrid preconditioners to accelerate the solution process of a linear-quadratic optimal control problem constrained by the Stokes system. The first order optimality conditions of the control problem form a linear system (the KKT system) connecting the state, adjoint, and control variables. Our approach is to eliminate the state and adjoint variables by essentially solving two Stokes systems, and to construct efficient
Read moreAccuracy analysis for fifty-four clear-sky solar radiation models using routine hourly global irradiance measurements in Romania
Fifty-four broadband clear-sky models for computation of global solar irradiance on horizontal surfaces are tested by using measured data from Romania (South-Eastern Europe). The input data to the models consist of surface meteorological data, column integrated data and data derived from satellite measurements. The testing procedure is performed in twenty-one steps for two different sites in Romania. The models accuracy is reported for various sets
Read moreSovereign Debt, Austerity, and Regime Change The Case of Nicolae Ceausescu’s Romania
Historically, high sovereign debt and austerity policies have coincided with regime-changing popular uprisings. Nicolae Ceausescu’s Romania was no exception. Why, when faced with a sovereign debt crisis in the 1980s, did his regime choose to pay its foreign debt as early as possible, at the cost of economic recession and dramatically compressed consumption? How did these choices relate to the regime’s failure to survive the end of the decade?
Read moreEconomic transnationalism and its ambiguities: the case of Romanian migration to Italy
aking the case of migratory flows between Romania and Italy as a case study, this article investigates the ways in which spaces of economic transnationalism emerge and are reproduced over time. While the article finds that the role of the state in regulating the flow of money, people and goods across borders remains significant, it nevertheless provides evidence that state authority is systematically challenged by private actors even in the case
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