1,014 research outputs found
Identity, belonging and strategic citizenship. Considerations about naturalisation among Italians and Spaniards living in the EU
The subject of naturalisation among intra-EU migrants has only recently drawn the attention of social science scholars. Empirical evidence from quantitative studies shows an increase in citizenship applications among this new wave of mobile people, indicating a strategic use of naturalisation. However, there is not a great deal of micro-level research, especially as to the subjective meanings attached to citizenship take-up in a new EU member state. Drawing on 68 in-depth interviews conducted with Italians and Spaniards living in London and Berlin, we argue that an individual’s understanding of naturalisation within the EU context is based on two aspects: on one hand, a strictly pragmatic evaluation of the pros and cons of the new status; on the other, a new sense of belonging as well as new cultural and territorial identifications that intra-EU migrants are not often willing to experience. Therefore, this article suggests that EU migrants that strongly identify with their country of origin and the EU see national and EU identities as conflicting with naturalisation, thus setting aside instrumental considerations. This constitutes a critique to theoretical approaches claiming the diminishing importance of a nation’s cultural self-understanding. Our paper also sheds light on the possible effect of the UK’s departure from the EU on young Southern European migrants choosing to apply for British citizenship, highlighting that it is mostly the implementation of the formal exit process and the actual abrogation of EU citizenship rights that reconfigure patterns in naturalisation, rather than the uncertainty and fears about the future
Here, there, in between, beyond…: Identity negotiation and sense of belonging among Southern Europeans in the UK and Germany
Whilst most of the research on intra-EU mobility has mainly focused on the reasons behind young Southern Europeans leaving their home countries, and secondly on their experiences within the new context, little is known about their sense of belonging and identities. This article aims to fill this gap by exploring Italian and Spanish migrants\u2019 social identity repositioning and the cultural change characterising their existential trajectories. Drawing on 69 semi-structured interviews with Italians and Spaniards living in London and Berlin, this article shows that the sense of belonging to one or more political communities and boundary work are related to individual experiences and can change due to structural eventualities such as the Brexit referendum. While identification with the host society is rare, attachment to the home country is quite common as a result of people\u2019s everyday experiences. Cultural changes and European/cosmopolitan identification are linked to exposure to new environments and interaction with new cultures, mostly concerning those with previous mobility experience, as well as to a sentiment of non-acceptance in the UK. However, such categories are not rigid, but many times self-identification and attachments are rather blurred also due to the uncertainty around the duration of the mobility project. This makes individual factors (gender, age, family status, employment, education) that are often considered as determinants of identification patterns all but relevant
Immigrants’ Religious Transmission in Southern Europe: Reaction or Assimilation? Evidence from Italy
In recent decades, scholars have been increasingly interested in analysing immigrants’ religiosity in Europe. In this article, we provide evidence about how the patterns of religious transmission are shaped by religious characteristics of both the origin and receiving contexts. We do so by focusing on Italy, which is both an almost homogeneously Catholic country and a fairly recent immigration destination, and by analysing three different dimensions of religiosity: service attendance, prayer and importance of religion. By relying on the “Social conditions and integration of foreign citizens” survey (ISTAT, 2011–2012), we fill an important theoretical and geographical gap by analysing differences in religiosity between parents and children. We claim that immigrant groups who share many characteristics with the natives tend to assimilate by adopting the same patterns of transmission (for example, Romanians in Italy). In contrast, immigrants who come from very different religious contexts, such as the Muslim Moroccan group, strongly react to this diversity by emphasising the transmission of their own religiosity. If, instead, immigrants come from a very secular country, such as Albania, they also tend to replicate this feature in the receiving countries, thus progressively weakening their religiosity and also their denominational differences. Overall, it is the interplay between origin and destination context which matters the most in shaping the patterns of religious transmission
Stability of the non-extremal enhancon solution I: perturbation equations
We consider the stability of the two branches of non-extremal enhancon
solutions. We argue that one would expect a transition between the two branches
at some value of the non-extremality, which should manifest itself in some
instability. We study small perturbations of these solutions, constructing a
sufficiently general ansatz for linearised perturbations of the non-extremal
solutions, and show that the linearised equations are consistent. We show that
the simplest kind of perturbation does not lead to any instability. We reduce
the problem of studying the more general spherically symmetric perturbation to
solving a set of three coupled second-order differential equations.Comment: 20 pages, 1 figure, references added, typos fixed, version to appear
in PR
The Efficiency Gap
Parameter estimation via M- and Z-estimation is broadly considered to be equally powerful in semiparametric models for one-dimensional functionals. This is due to the fact that, under sufficient regularity conditions, there is a one-to-one relation between the corresponding objective functions - strictly consistent loss functions and oriented strict identification functions - via integration and differentiation. When dealing with multivariate functionals such as multiple moments, quantiles, or the pair (Value at Risk, Expected Shortfall), this one-to-one relation fails due to integrability conditions: Not every identification function possesses an antiderivative. The most important implication of this failure is an efficiency gap: The most efficient Z-estimator often outperforms the most efficient M-estimator, implying that the semiparametric efficiency bound cannot be attained by the M-estimator in these cases. We show that this phenomenon arises for pairs of quantiles at different levels and for the pair (Value at Risk, Expected Shortfall), where we illustrate the gap through extensive simulations
Type II supernovae in low-luminosity host galaxies
We present an analysis of a new sample of type II core-collapse supernovae (SNe II) occurring within low-luminosity galaxies, comparing these with a sample of events in brighter hosts. Our analysis is performed comparing SN II spectral and photometric parameters and estimating the influence of metallicity (inferred from host luminosity differences) on SN II transient properties. We measure the SN absolute magnitude at maximum, the light-curve plateau duration, the optically thick duration, and the plateau decline rate in the V band, together with expansion velocities and pseudo-equivalent-widths (pEWs) of several absorption lines in the SN spectra. For the SN host galaxies, we estimate the absolute magnitude and the stellar mass, a proxy for the metallicity of the host galaxy. SNe II exploding in low-luminosity galaxies display weaker pEWs of Fe II λ5018, confirming the theoretical prediction that metal lines in SN II spectra should correlate with metallicity.We also find that SNe II in low-luminosity hosts have generally slower declining light curves and display weaker absorption lines. We find no relationship between the plateau duration or the expansion velocities with SN environment, suggesting that the hydrogen envelope mass and the explosion energy are not correlated with the metallicity of the host galaxy. This result supports recent predictions that mass-loss for red supergiants is independent of metallicity.</p
Kinematics of the Southern Rhodope Core Complex (North Greece)
The Southern Rhodope Core Complex is a wide metamorphic dome exhumed in the northern Aegean as a result of large-scale extension
from mid-Eocene to mid-Miocene times. Its roughly triangular shape is bordered on the SW by the Jurassic and Cretaceous metamorphic
units of the Serbo-Macedonian in the Chalkidiki peninsula and on the N by the eclogite bearing gneisses of the Sideroneron
massif. The main foliation of metamorphic rocks is flat lying up to 100 km core complex width. Most rocks display a stretching
lineation trending NEâ SW. The Kerdylion detachment zone located at the SW controlled the exhumation of the core complex from
middle Eocene to mid-Oligocene. From late Oligocene to mid-Miocene exhumation is located inside the dome and is accompanied
by the emplacement of the synkinematic plutons of Vrondou and Symvolon. Since late Miocene times, extensional basin sediments
are deposited on top of the exhumed metamorphic and plutonic rocks and controlled by steep normal faults and flat-ramp-type
structures. Evidence from Thassos Island is used to illustrate the sequence of deformation from stacking by thrusting of the
metamorphic pile to ductile extension and finally to development of extensional Plio-Pleistocene sedimentary basin. Paleomagnetic
data indicate that the core complex exhumation is controlled by a 30� dextral rotation of the Chalkidiki block. Extensional
displacements are restored using a pole of rotation deduced from the curvature of stretching lineation trends at core complex
scale. It is argued that the Rhodope Core Complex has recorded at least 120 km of extension in the North Aegean, since the
last 40 My
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Exploration of neural correlates of movement intention based on characterisation of temporal dependencies in electroencephalography
Brain computer interfaces (BCIs) provide a direct communication channel by using brain signals, enabling patients with motor impairments to interact with external devices. Motion intention detection is useful for intuitive movement-based BCI as movement is the fundamental mode of interaction with the environment. The aim of this paper is to investigate the temporal dynamics of brain processes using electroencephalography (EEG) to explore novel neural correlates of motion intention. We investigate the changes in temporal dependencies of the EEG by characterising the decay of autocorrelation during asynchronous voluntary finger tapping movement. The evolution of the autocorrelation function is characterised by its relaxation time, which is used as a robust marker for motion intention. We observed that there was reorganisation of temporal dependencies in EEG during motion intention. The autocorrelation decayed slower during movement intention and faster during the resting state. There was an increase in temporal dependence during movement intention. The relaxation time of the autocorrelation function showed significant (p < 0.05) discrimination between movement and resting state with the mean sensitivity of 78.37 ± 8.83%. The relaxation time provides movement related information that is complementary to the well-known event-related desynchronisation (ERD) by characterising the broad band EEG dynamics which is frequency independent in contrast to ERD. It can also detect motion intention on average 0.51s before the actual movement onset. We have thoroughly compared autocorrelation relaxation time features with ERD in four frequency bands. The relaxation time may therefore, complement the well-known features used in motion-based BCI leading to more robust and intuitive BCI solutions. The results obtained suggest that changes in autocorrelation decay may involve reorganisation of temporal dependencies of brain activity over longer duration during motion intention. This opens the possibilities of investigating further the temporal dynamics of fundamental neural processes underpinning motion intention
Prvi nalaz tupousne barakude Sphyraena chrysotaenia (Klunzinger, 1884) i indopacifičke vrste ježinca Diadema setosum (Leske, 1778) u morskom zaštićenom području otoka Zakintos, Jonsko more, Grčka
In 2021, three specimens of the Lessepsian yellowstripe barracuda Sphyraena chrysotaenia and eight specimens of the
Indo-Pacific needle-spined sea urchin Diadema setosum were recorded along the coasts of Zakynthos Island, some within the
Marine Protected Area.U 2021. godini, tri primjerka lesepsijske tupousne barakude Sphyraena chrysotaenia i osam primjeraka indo-pacifičke vrste ježinca Diadema setosum su pronađeni u području oko otoka Zakintos, neki unutar morskog zaštićenog područja
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