65 research outputs found
sj-pdf-2-jar-10.1177_07435584211064576 – Supplemental material for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context
No full textSupplemental material, sj-pdf-2-jar-10.1177_07435584211064576 for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context by Christine Pajunar Li-Grining, Amanda L. Roy, Jinyoung Koh, Amanda Boyer, Maria Radulescu and Zahra Naqi in Journal of Adolescent Research</p
sj-pdf-1-jar-10.1177_07435584211064576 – Supplemental material for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context
No full textSupplemental material, sj-pdf-1-jar-10.1177_07435584211064576 for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context by Christine Pajunar Li-Grining, Amanda L. Roy, Jinyoung Koh, Amanda Boyer, Maria Radulescu and Zahra Naqi in Journal of Adolescent Research</p
sj-docx-3-jar-10.1177_07435584211064576 – Supplemental material for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context
No full textSupplemental material, sj-docx-3-jar-10.1177_07435584211064576 for Black and Latino Adolescents’ Self-Regulation: Placing College Preparedness in Context by Christine Pajunar Li-Grining, Amanda L. Roy, Jinyoung Koh, Amanda Boyer, Maria Radulescu and Zahra Naqi in Journal of Adolescent Research</p
A type IIIλ factor with core isomorphic to the von Neumann algebra of a free group, tensor B(H)
No full textThe author constructs a free product of M2(C) with a non-tracial state and L∞(0,1) with Lebesgue measure. He shows that this is a factor of type IIIλ with λ∈(0,1) and that the core of this factor is isomorphic to the tensor product of B(H) and L(F∞), the II1 factor of the free group on infinitely many generators
Sous-facteurs de L(F∞) d'indice 4cos2π/n,n≥3
No full textLet Q be a factor of type II1, λ a number in the Jones discrete series {4cosπ/m:m≥3}, and {ei} the Jones projections associated with λ. Denote by A2n and A1n the finite-dimensional von Neumann algebras generated, respectively, by {1,e2,⋯,en} and {1,e1,⋯,en}, with the corresponding traces. The author shows that, for n sufficiently large, the index of the inclusion An=(Q⊗A2n)∗A2nA1n⊂(Q⊗A2n+1)∗A2n+1A1n+1=An+1 is equal to λ (here ∗ denotes the reduced, amalgamated free product of the algebras in question). Using the random matrix model of Voiculescu, he proves that if Q is the von Neumann algebra L(F∞) of the free group with infinitely many generators, then An is isomorphic to L(F∞).
The two facts together imply the existence, for any λ in the Jones discrete series, of an irreducible subfactor of L(F∞) of index λ. This constitutes the first example of a nonhyperfinite, non-Γ II1 factor such that its Jones invariant is fully computable (the existence of nonirreducible subfactors of L(F∞) for any index ≥4 is a simple consequence of known results)
Compile-time scheduling for distributed-memory systems
No full textElectrical Engineering, Mathematics and Computer Scienc
Reinforcement Learning by Guided Safe Exploration
No full textSafety is critical to broadening the application of reinforcement learning (RL). Often, we train RL agents in a controlled environment, such as a laboratory, before deploying them in the real world. However, the real-world target task might be unknown prior to deployment. Reward-free RL trains an agent without the reward to adapt quickly once the reward is revealed. We consider the constrained reward-free setting, where an agent (the guide) learns to explore safely without the reward signal. This agent is trained in a controlled environment, which allows unsafe interactions and still provides the safety signal. After the target task is revealed, safety violations are not allowed anymore. Thus, the guide is leveraged to compose a safe behaviour policy. Drawing from transfer learning, we also regularize a target policy (the student) towards the guide while the student is unreliable and gradually eliminate the influence of the guide as training progresses. The empirical analysis shows that this method can achieve safe transfer learning and helps the student solve the target task faster.AlgorithmicsIntelligent Electrical Power Grid
Blood\u27s Concentration of Lead and Arsenic Associated with Anemia in Peruvian Children
No full textThis exploratory, descriptive cohort study (N = 60) determined lead (Pb) and arsenic (As) blood concentrations in Peruvian children and their association with hematological parameters of iron-deficient anemia (IDA) and anthropometric measurement. The mean age of children was 10.8 months (SD = 4.7) and ranged from 3 to 24 months old. Anemia (Hb levels below 10.5 g/dL) was found in 20% of this cohort. Additionally, microcytosis (MCV \u3c 70 fL) was present in 54%, and hypochromia (MCH \u3c 23 pg) in 42% of the group of children. Chi-square analysis showed that 88% of the children with anemia also had microcytosis and hypochromia (p \u3c 0.001). Pb and As were detected in 100% of the infants’ blood samples, and the concentrations were significantly higher in older infants than in younger ones. Pb and As were not associated with the sex, anthropomorphic parameters, or infant hemogram changes. Infants who received iron supplementation were 87% less likely to have low Hb compared with those who did not (OR = 0.13, 95% CI = 0.02–0.88, p = 0.04). Herbal tea intake was significantly associated with microcytosis and hypochromia. Our finding uncovered that hematological parameters for anemia are modified in Peruvian children with high levels of microcytosis and hypochromia. Concentrations of Pb and As were above method detection limits in all Peruvian children, but these were not associated with IDA or anthropometric measurements. A large study, including other variables, would benefit from allowing a more complex model predicting anemia in Peruvian children
STATISTICAL FINDINGS AND ESTIMATIONS ON THE SPREADING OF SUICIDES IN ROMANIA
No full textIn this paper, the author assesses the spreading of suicides in Romania, on the basis of the (contradictory) information provided by the National Institute of Statistics, the Regional Offices for Public Health and the National Institute of Forensics. In this context, mention is made of the suicide rates specific to the 2000–2013 period of time, and of the main variables available in the official statistic registrations (sex, age, residence, county, development region). On the other hand, the author analyses the reliability of the information conveyed by the National Institutte of
Forensics and estimates that many Romanian institutes handle official statistic data that are not accurate and are not consistent with the international standards in this fiel
ANOMIE AND SUICIDE IN THE POST-COMMUNIST SOCIETIES
No full textIn this paper, the author aims to apply the theoretical model of anomie (developed by É. Durkheim and R. K. Merton) for the assessment of the social, economic and political situation in the former communist societies. In the most of these
countries, the normative regulation is insufficient or precarious and the actions of individuals are subscribed to the areas of deviance and „loss of determination” of their scope and human aspirations. With specific reference to Romania, the author mentions the main contributing factors that have conditioned or determined the increasing in the anomic suicide rates, in the post-communist period: the low performance and economic benefits, the deterioration of health and standards of living, increased consumption of alcohol and drugs, depression, stress, the spreading of illnesses, physical but moreover mental, the incapacity to adapt to the changes, to the new normative and cultural models, to find solutions for the new life problems, unemployment, poverty, dissolution of numerous family groups, immigration of the heads of the families, decreasing in the
number of children, aging of the population et
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