The impact of the assimilation of migrants on the well-being of native inhabitants: A theory

We present a theory that systematically and causally links the well-being of native inhabitants with variation in the extent of the assimilation of migrants. Recent empirical findings are yielded as predictions of the theory

A class of proximity-sensitive measures of relative deprivation

We introduce a new class of generalized measures of relative deprivation. The class takes the form of a power mean of order p. A characteristic of the class is that depending on the value of the proximity-sensitive parameter p, the class is capable of accommodating both a decreasing weight (the case of p > 1), and an increasing weight (the case of p ∈ (0,1)) accorded to given changes in the incomes of the individuals who are wealthier than the reference individual, depending on their proximity in the income distribution to the reference individual

Follow-the-Regularized-Leader Routes to Chaos in Routing Games

We study the emergence of chaotic behavior of Follow-the-Regularized Leader (FoReL) dynamics in games. We focus on the effects of increasing the population size or the scale of costs in congestion games, and generalize recent results on unstable, chaotic behaviors in the Multiplicative Weights Update dynamics to a much larger class of FoReL dynamics. We establish that, even in simple linear non-atomic congestion games with two parallel links and \emph{any} fixed learning rate, unless the game is fully symmetric, increasing the population size or the scale of costs causes learning dynamics to becomes unstable and eventually chaotic, in the sense of Li-Yorke and positive topological entropy. Furthermore, we prove the existence of novel non-standard phenomena such as the coexistence of stable Nash equilibria and chaos in the same game. We also observe the simultaneous creation of a chaotic attractor as another chaotic attractor gets destroyed. Lastly, although FoReL dynamics can be strange and non-equilibrating, we prove that the time average still converges to an \emph{exact} equilibrium for any choice of learning rate and any scale of costs

Flexicurity model and its implementation in the European labor markets

This diploma thesis considers a model of flexicurity, which currently represents a key strategy of European employment policy. "The Danish miracle", as it is sometimes called, combines two at first sight contradictory trends - the high flexibility of the labor market and adequate security for workers. However, application of the model to the European labor markets seems to be problematic for several reasons. Several potential barriers to the effective implementation of flexicurity are being discussed in the paper. The most serious seems to be the insufficient and ambiguous definition of the model. This means that different actors understand the nature of the model differently and accept it with different expectations. Flexicurity also ignores the heterogeneity of each labor market. The argument that flexicurity represents a win-win situation for all citizens seems untrustworthy and unrealistic. The paper further argues that the model is connected with the place of origin because of the importance of informal institutions such as advanced social dialogue and public-spiritedness. Finally, it is necessary to take into consideration the enormous financial demands of the model due to the emphasis on a generous social system

Zagrożenia pożarowo-wybuchowe związane z elektrostatycznym nanoszeniem powłok z tworzyw sztucznych

This paper presents fire and explosion hazards during electrostatic powder coating, and describes the course of the process as well as the characteristics of powder coating as a combustible material. Potential sources of ignition that could initiate a fire of a dust layer or an explosion of a dust-air mixture have been identified. The minimum requirements and recommendations raising the level of safety in the area of coating installations are presented.W niniejszym artykule przedstawiono zagrożenia pożarowo-wybuchowe występujące podczas nanoszenia powłok metodą elektrostatyczną, przedstawiono przebieg operacji oraz charakterystykę farb proszkowych jako materiału palnego. Zidentyfikowano potencjalne źródła zapłonu, które mogą zainicjować pożar warstwy pyłu lub wybuch mieszaniny pyłowo-powietrznej. Przedstawiono minimalne wymagania i rekomendacje podnoszące poziom bezpieczeństwa w obszarze instalacji lakierniczej

Gatherers at the turn of the third millennium

Department of SociologyKatedra sociologieFaculty of Social SciencesFakulta sociálních vě

Fire and explosion hazards associated with electrostatic powder coating

W niniejszym artykule przedstawiono zagrożenia pożarowo-wybuchowe występujące podczas nanoszenia powłok metodą elektrostatyczną, przedstawiono przebieg operacji oraz charakterystykę farb proszkowych jako materiału palnego. Zidentyfikowano potencjalne źródła zapłonu, które mogą zainicjować pożar warstwy pyłu lub wybuch mieszaniny pyłowo-powietrznej. Przedstawiono minimalne wymagania i rekomendacje podnoszące poziom bezpieczeństwa w obszarze instalacji lakierniczej.This paper presents fire and explosion hazards during electrostatic powder coating, and describes the course of the process as well as the characteristics of powder coating as a combustible material. Potential sources of ignition that could initiate a fire of a dust layer or an explosion of a dust-air mixture have been identified. The minimum requirements and recommendations raising the level of safety in the area of coating installations are presented

A t-norm embedding theorem for fuzzy sets

It is well-known that the class of upper semicontinuous normal convex fuzzy sets with compact supports can be embedded isometrically as a complete convex cone in a Banach space. We prove an analogous result for a subclass of fuzzy sets that is free from the normality limitation by exchanging the standard algebraic operations on fuzzy sets with operations based on strict t-norms. This allows us to investigate a new notion of fuzzy convexity that we call T-convexity. We show that the class of upper semicontinuous fuzzy T-convex sets with nonempty compact supports can be embedded as a closed convex cone in a Banach space. This implies that fuzzy T-convex sets satisfy the cancellation law. We discuss a possible application of the embedding theorem in mathematical morphology