Search results for "Population"
showing 10 items of 9945 documents
Minority Integration in a Western City: An Agent-Based Modelling Approach
2019
This chapter describes the design and construction of an agent-based model we refer to as the ‘Simulation of Extended Time Integration’ (SETI) model. This model was designed with the goal of obtaining a better understanding of the conditions and mechanisms leading to the structural, social, and cultural integration of minorities into large Western societies. SETI is a virtual society with structural (employment, income, education) and demographic (marriage, reproduction, life expectancy) variables typical of Westerns countries. Initialization occurs after a hypothesized immigration event in which a single minority population settles into the majority population, bracketing the first decade …
Causes of Public Expenditure Inefficiency and Proposals for Their Streamlining
2020
The public sector has continually developed, as new needs of the population have been identified and the expectations of the population regarding the quantity and the quality of the provided services have already been rising. Unlike private management, the public administration has not always been concerned with the way results have been achieved, but, particularly with the results themselves, and, as long as these have been satisfying for the population, the resources employed for obtaining the results were of no much concern. The public administration monopoly in the provision of some services has led to the possibility of generating imbalances between the quality of the provided services…
Existential risks of an excluded community: <i>Le mani sulle citt&#224;</i> by Franco Rosi
2020
The essay focuses on the film Le mani sulla citta (Hands on the city, 1963) by Francesco Rosi. The film, set in Naples, explores some significant aspects of the Italian "Reconstruction" after the end of the Second World War and offers interesting insights. That period was characterized by a number of active, social and economic, recovery policies which produced job and development opportunities and triggered the development of the real estate market and urban speculation. Reconstruction meant consumption of resources (urban land and landscape), creation of new neighborhoods with proposed housing models unrelated to the population who moved to some new peripheral suburbs. This generated a so…
“Serpentone Reload” an Experience of Citizens Involvement in Regeneration of Peripheral Urban Spaces
2015
Suburbs are often very contradictory places. Despite great part of urban population live there, these parts of cities are mostly considered as degradation places. The topic of suburbs regeneration is relevant today. Nevertheless, often expensive interventions implemented by local authorities fail to regenerate their public spaces. This paper presents the experience of “Serpentone reload”, a workshop based on participatory reactivation of abandoned or underused spaces and buildings in “Cocuzzo/Serpentone” neighbourhood in Potenza (Basilicata, Italy). The workshop particularly focused on the reuse of the “Ship”, an underground building, completed in 2010, never used, because it has been perce…
Evolution of impatience: The example of the Farmer-Sheriff game
2015
The literature on the evolution of impatience, focusing on one-person decision problems, often finds that evolutionary forces favor the more patient individuals. This paper shows that in games where equilibrium involves threat of punishment there are forces generating an evolutionary advantage to the impatient. In particular, it offers a two-population example where evolutionary forces favor impatience in one group while favoring patience in the other. Moreover, efficiency may also favor impatient individuals. In our example, it is efficient for one population to evolve impatience and for the other to develop patience. Yet, evolutionary forces move the opposite direction. Fil: Levine, David…
Sytuacja uwięzionych kobiet w dwudziestoleciu międzywojennym
2015
The first legal document that introduced a distinction of treatment between imprisoned men and women was created during the interwar period. At that time, the need to differentiate the execution of the penalty methods between men and women was emphasized. This particular period initiated the beginning of formulating separate regulations related to the issue of imprisoned women. At first, they were treated as a homogeneous population. However, after some time, the need for alternative treatment of female prisoners, especially pregnant and breastfeeding, was noticed. Gradually, taking into account gender differences in the penitentiary interactions, slow evolution was taking place, especially…
Comparison of non-Markovianity criteria in a qubit system under random external fields
2013
We give the map representing the evolution of a qubit under the action of non-dissipative random external fields. From this map we construct the corresponding master equation that in turn allows us to phenomenologically introduce population damping of the qubit system. We then compare, in this system, the time-regions when non-Markovianity is present on the basis of different criteria both for the non-dissipative and dissipative case. We show that the adopted criteria agree both in the non-dissipative case and in the presence of population damping.
Call admission control scheme using borrowable guard channels and prioritizing fresh calls retrials in small cell networks
2014
International audience; Recent trends in mobile cellular networks turn towards deployment of Small Cell Networks (SCNs), where, the cell size gets smaller, and thus the number of subscribers served in a cell will be relatively smaller, such that traffic models with a finite source of subscribers should be considered. Smaller cells cause the mobile subscribers to cross several cells during an ongoing conversation resulting in frequent handovers. Most of works dealing with Call Admission Control (CAC) problems based on guard channels scheme in cellular mobile networks consider models without retrials (reapeted calls phenomenon). However, almost all existing works which take into account retri…
The gas chromatography/mass spectrometry can be used for dose estimation in irradiated pork
2009
Abstract Food safety can be improved using ionizing radiation to reduce food spoilage and to extend its shelf life. The gas chromatography/mass spectrometry (GC/MS) has been validated by the European Community as a powerful method to identify irradiated food containing fat. The preliminary goals of our research were: (i) to set up this method, based on the detection of radiation induced 2-dodecylcyclobutanones (2-DCB) in pork muscle samples and (ii) to check the microbiological efficacy of the treatment. The main objective was to render the GC/MS a quantitative technique for dose estimation, through the measurement of the 2-DCB concentration in the irradiated sample. Our results show that t…
Analysis of radionuclide concentration in air released through the stack of a radiopharmaceutical production facility based on a medical cyclotron
2015
Abstract Positron emitting radionuclides are increasingly used in medical diagnostics and the number of radiopharmaceutical production facilities have been estimated to be growing worldwide. During the process of production and/or patient administration of radiopharmaceuticals, an amount of these radionuclides might become airborne and escape into the environment. Therefore, the analysis of radionuclide concentration in the air released to the stack is a very important issue to evaluate the dose to the population living around the plant. To this end, sampling and measurement of radionuclide concentration in air released through the stack of a Nuclear Medicine Center (NMC), provided with a c…