207 research outputs found

    Aide aux enfants dans le nord de l’Ouganda : La réinsertion des enfants soldats (note de recherche)

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    Le conflit qui perdure en Ouganda du Nord a eu d’importantes répercussions sur les enfants et sur les enfants soldats. Dans ce pays, des processus nouveaux ou en cours, dont le processus d’amnistie et les tentatives de désarmement, de démobilisation et de réinsertion sociale (DDR) remodèlent la façon dont ces enfants sont traités. Diverses organisations, dont les ONG, des organisations communautaires locales et le gouvernement de l’Ouganda, ont tenté d’aider les enfants à se remettre de ce qu’ils ont vécu, avec plus ou moins de succès.The on-going conflict in Northern Uganda has had a significant impact on children and child soldiers. On-going and new processes in the country, including the amnesty process, and attempts at processes of DDR and reintegration, have shaped how these children are being treated. Various agencies, including both NGOs, community-level agencies, and the Government of Uganda, have attempted to mediate the experiences of these children, to varying degrees of success.El conflicto que perdura en Uganda del Norte ha provocado importantes repercusiones sobre los niños y los soldados niños. En ese país, los procesos nuevos o actuales, entre ellos el proceso de amnistía y las tentativas de desarmamiento y de reinserción social (DDR), remodelan la manera en que se trata a los niños. Diversos organismos, entre ellos las ONG, las organizaciones comunitarias locales y el gobierno de Uganda, han tratado de ayudar a los niños a recuperarse de los han vivido, con mas o menos éxito

    Editorial Note

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    Editorial Note

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    Editorial Note

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    Editorial Note

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    The pace of biological aging helps explain the association between insomnia and chronic low back pain

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    Chronic low back pain (cLBP) is associated with insomnia and advanced age. Emerging evidence suggests that the severity of both sleep disorders (like insomnia) and chronic pain are associated with a faster pace of biological aging. We aimed to determine whether the pace of biological age mediates the relationship between insomnia and the impact of cLBP in a sample of community-dwelling adults ages 19 to 85 years. Participants (49 with no pain, 32 with low-impact pain, and 37 with high-impact pain) completed sociodemographic, pain, insomnia, and short physical performance battery assessments. We calculated the pace of biological aging using DunedinPACE from blood leukocyte DNA. On average, individuals with high-impact cLBP had significantly faster biological aging than those with low-impact and no chronic pain

    Trading Justice for Peace? Reframing reconciliation in TRC processes in South Africa, Canada and Nordic countries

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    Conflict in its various manifestations continues to be a defining feature in many places throughout the world. In an attempt to address such conflict, various forms of a Truth and Reconciliation Commission (TRC) have been introduced to facilitate the transition from social conflict to a new dispensation. The introduction and subsequent proceedings of TRCs in South Africa, Canada and Norway are widely regarded as good examples of this approach. Against this background, a number of researchers from VID Specialized University and the University of the Western Cape had an exploratory meeting in Oslo in 2018 where the possibility for a joint research project under the broad theme of ‘discourses on reconciliation’ was first discussed. This led to two further research symposia in Cape Town and Tromsø in 2019. With the inclusion of specialists working on the Canadian Truth and Reconciliation process, these meetings demonstrated common ground and a shared understanding of the issues at stake. Moreover, it pointed to the differences between the South African, Canadian and Norwegian Commissions. In comparing the South African, Canadian and Norwegian experiences, researchers identified that these countries were, in fact, at different stages of their respective truth and reconciliation processes. This has prompted scholars to revisit and problematise these processes in relation to ongoing societal challenges. In all cases, it is quite apparent that reconciliation between individuals and groups remains a significant challenge

    Dynamical Mass Measurement of the Young Spectroscopic Binary V343 Normae AaAb Resolved With the Gemini Planet Imager

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    We present new spatially resolved astrometry and photometry from the Gemini Planet Imager of the inner binary of the young multiple star system V343 Normae, which is a member of the beta Pictoris moving group. V343 Normae comprises a K0 and mid-M star in a ~4.5 year orbit (AaAb) and a wide 10" M5 companion (B). By combining these data with archival astrometry and radial velocities we fit the orbit and measure individual masses for both components of M_Aa = 1.10 +/- 0.10 M_sun and M_Ab = 0.290 +/- 0.018 M_sun. Comparing to theoretical isochrones, we find good agreement for the measured masses and JHK band magnitudes of the two components consistent with the age of the beta Pic moving group. We derive a model-dependent age for the beta Pic moving group of 26 +/- 3 Myr by combining our results for V343 Normae with literature measurements for GJ 3305, which is another group member with resolved binary components and dynamical masses.Comment: 12 pages, 7 figures. Accepted to A

    Improving and Assessing Planet Sensitivity of the GPI Exoplanet Survey with a Forward Model Matched Filter

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    We present a new matched filter algorithm for direct detection of point sources in the immediate vicinity of bright stars. The stellar Point Spread Function (PSF) is first subtracted using a Karhunen-Lo\'eve Image Processing (KLIP) algorithm with Angular and Spectral Differential Imaging (ADI and SDI). The KLIP-induced distortion of the astrophysical signal is included in the matched filter template by computing a forward model of the PSF at every position in the image. To optimize the performance of the algorithm, we conduct extensive planet injection and recovery tests and tune the exoplanet spectra template and KLIP reduction aggressiveness to maximize the Signal-to-Noise Ratio (SNR) of the recovered planets. We show that only two spectral templates are necessary to recover any young Jovian exoplanets with minimal SNR loss. We also developed a complete pipeline for the automated detection of point source candidates, the calculation of Receiver Operating Characteristics (ROC), false positives based contrast curves, and completeness contours. We process in a uniform manner more than 330 datasets from the Gemini Planet Imager Exoplanet Survey (GPIES) and assess GPI typical sensitivity as a function of the star and the hypothetical companion spectral type. This work allows for the first time a comparison of different detection algorithms at a survey scale accounting for both planet completeness and false positive rate. We show that the new forward model matched filter allows the detection of 50%50\% fainter objects than a conventional cross-correlation technique with a Gaussian PSF template for the same false positive rate.Comment: ApJ accepte
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