cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Crystal and magnetic structures of magnetic topological insulators MnBi$_2$Te$_4$ and MnBi$_4$Te$_7$
Creators: name: Ding, Lei
name: Hu, Chaowei
name: Ye, Feng
name: Feng, Erxi
name: Ni, Ni
name: Cao, Huibo
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Using single crystal neutron diffraction, we present a systematic investigation of the crystal structure and magnetism of van der Waals topological insulators MnBi$_2$Te$_4$ and MnBi$_4$Te$_7$, where rich topological quantum states have been recently predicted and observed. Structural refinements reveal that considerable Bi atoms occupied on the Mn sites in both materials, distinct from the previously reported antisite disorder. We show unambiguously that MnBi$_{2}$Te$_{4}$ orders antiferromagnetically below 24 K featured by a magnetic symmetry $R_I$-${3c}$ while MnBi$_{4}$Te$_{7}$ is antiferromagnetic below 13 K with a magnetic space group $P_c$-${3c1}$. They both present antiferromagnetically coupled ferromagnetic layers with spins along the $c$-axis. We put forward a stacking rule for the crystal structure of an infinitely adaptive series MnBi$_{2n}$Te$_{3n+1}$ (n$\geq$1) with the building unit of [Bi$_2$Te$_3$]. A comparison of magnetic properties between MnBi$_{2}$Te$_{4}$ and MnBi$_{4}$Te$_{7}$, together with the recent density-functional theory calculations, enables us to draw that a two-dimensional magnetism limit might be realized in the derivatives. Our work may promote the theoretical studies of topological magnetic states in the series of MnBi$_{2n}$Te$_{3n+1}$.
description: typos corrected in table I
Public participation in environmental decision-making: a case study of ecosystem restoration in South FloridaPublic participation in environmental decision-making: a case study of ecosystem restoration in South Florida
Creators: name: Ogden, Laura
name: Ogden, Laura
Publisher: name: Unknown
Year: 2003
Subjects: subject: Environmental Economics and Policy
subject: ecosystem
subject: public participation
subject: Everglades
subject: Florida

description: The “ecosystem” is the conceptual model guiding environmental restoration projects in the Florida Everglades, a large wetlands region in the southern United States. According to applied ecological frameworks, ecosystems are geographies (of various temporal and spatial scales) where systemic interrelationships of organisms and habitat occur. With current project estimates at 14.8 billion dollars, ecosystem restoration in South Florida represents one of the largest and most expensive environmental projects ever attempted. In this article, I provide an overview of the changes to the Florida Everglades which have led to the need for restorative interventions. I then outline the conceptual framework guiding ecosystem management in South Florida, focusing on the transformation of this framework that occurs through its institutionalization into a set of management and planning practices. The article ends with a discussion of how the “public” is conceptualized within this institutionalized ecosystem management framework, and the ramifications of this conceptualization for Everglades restoration public engagement activit
Finite Size Effects in Nucleon Masses in Dynamical QCD
Creators: name: Khan, A. Ali
name: Bakeyev, T.
name: Göckeler, M.
name: Horsley, R.
name: Irving, A. C.
name: Pleiter, D.
name: Rakow, P.
name: Schierholz, G.
name: Stüben, H.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: For lattice calculations with light dynamical quarks, finite size effects have become an important aspect. We study finite size effects in nucleon masses on N_f=2 dynamical lattices of 1-2 fm. Predictions for the finite size effects are obtained in one-loop chiral perturbation theory.
description: 3 pages, 7 eps figures, Lattice 2002 (matrixel)
Évaluation de l’insécurité alimentaire dans le Comté de Sacramento
Creators: name: Bellin-Lestienne, Constance
name: Darmon, Nicole
name: Bellin-Lestienne, Constance
name: Darmon, Nicole
Publisher: name: Unknown
Year: 2006
Subjects: subject: Food Security and Poverty
subject: food aid
subject: federal food assistance programs
subject: food security
subject: challenges

description: In 2001, about 56,000 adults were estimated to be food insecure in Sacramento County. This number tends to keep rising eventhough several federal food assistance programs are available to the low-income population. The objectives of our study were to describe the population using emergency food assistance programs and to evaluate the federal food programs available to low-income people. Two different methods were used. Personal interviews of key informants in charge of the federal programs were made and a self-administered questionnaire was delivered in emergency food agencies. A total of 338 food aid recipients answered the questionnaire. Among individuals receiving emergency food assistance, 80 % lived below the poverty level and 62 % had a member in their household who experienced hunger in the past year. More than 27 % of the households had an income related to work. Among them 73 % lived below the poverty level and more than 82 % were food insecure. The study showed that eligible residents often did not access federal food programs either because they do not know about them or because there are too many barriers to their utilization such as : the lack of information regarding the programs, the language barrier, especially for immigrants, the difficult access to the program sites and the administrative burden of most programs. People using emergency food programs also declared that food stamps were insufficient to feed the household during a month, which explained why they seek assistance from emergency agencies. In order to decrease the number of people using emergency food programs it is necessary to improve the outreach efforts of the federal food programs towards the low-income community. En 2001, environ 56 000 adultes étaient considérés en situation d’insécurité alimentaire dans le Comté de Sacramento. Malgré les six programmes d’aide alimentaire administrés par le gouvernement américain, le nombre de personnes ayant recours à des structures d’aide alimentaire d’urgence n’a cessé de croître durant les 20 dernières années. Notre étude a pour objectif de connaître les personnes ayant recours à l’aide alimentaire d’urgence et d’évaluer l’utilisation des programmes gouvernementaux au sein du Comté. Pour cela, 338 personnes ont été interrogées dans les structures d’aide alimentaire d’urgence et des entretiens ont été effectués avec les responsables de chaque programme gouvernemental. Notre étude montre que les programmes gouvernementaux sont sousutilisés principalement du fait du manque d’information auprès des personnes éligibles et de barrières telles que la difficulté d’accéder aux centres, les problèmes de langue pour de nombreux immigrés ou des lourdeurs administratives.
Un cas de déviance dans les classes populaires : les seuils d’entrée dans les troubles alimentaires
Creators: name: Moreno Pestaña, José Luis
name: Moreno Pestaña, José Luis
Publisher: name: Unknown
Year: 2006
Subjects: subject: Food Consumption/Nutrition/Food Safety
subject: sociology of mental illness
subject: sociology of anorexia and bulimia
subject: working classes
subject: body
subject: alimentation
subject: deviance theory

description: Ce texte propose une analyse sociologique des troubles alimentaires dans les classes populaires. Il fait appel à la théorie des niches écologiques des maladies mentales transitoires, telle qu’elle est définie par Ian Hacking, et lui donne une re-formulation sociologique. L’article propose des hypothèses sur les handicaps et contre-handicaps des classes populaires par rapport aux troubles alimentaires. Le texte, résultat d’une recherche empirique, établit un profil de la culture somatique contemporaine des classes populaires, surtout des jeunes, et propose une comparaison avec celle des classes dominantes.
Quality labels and rural development : a new economic geography approach
Creators: name: Callois, Jean-Marc
name: Callois, Jean-Marc
Publisher: name: Unknown
Year: 2006
Subjects: subject: Community/Rural/Urban Development
subject: rural development
subject: designation of origin
subject: new economic geography

description: Some rural development strategies are based on the assumption that quality labels may act as levers for inducing economic growth and population migration to rural areas. To investigate the validity of this assumption, we use a new economic geography model. A specific (“labelled”) agricultural good is assumed to be produced by farmers who co-operate in order to set a monopoly price and control the number of producers. We find that there is a trade-off between the number of differentiated farmers and their individual income. Besides, the positive effect of agricultural differentiation on rural industrialization, due to increased demand for industrial goods, is offset by an opposite effect due to urban wages rise. Higher transport costs for the specific good favour rural industrialization but limit the size of the differentiated agricultural sector.
Randomly spaced phase-only transmission combs for femtosecond pulse shaping
Creators: name: Yushkov, Konstantin
name: Molchanov, Vladimir
Publisher: name: arXiv
Year: 2019
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We present a new Randomized Multiple Independent Comb Shaping (RandoMICS) algorithm based on phase-only tailored transmission for ultrashort laser pulse replication. The benefit of this method is satellite-free generation of programmable laser pulse sequences. The result is achieved by creating a transmission function as a stochastic comb of disjoint segments of optical frequency continuum with numerically optimized segment width distribution. The algorithm is realized by generating a regular aperiodic comb and random permutations of its elements. Experimental demonstration is performed with an acousto-optic pulse shaper providing broadband multi-window transmission function with arbitrarily variable widths of the segments. Suppression of undesired satellite pulses by the factor of 8 is demonstrated as well as generating pulse replicas with extended usable delay range compared to phase-only pulse shaping with periodic transmission combs.
description: 8 pages, 8 figures, LaTeX; revisions: annotations in Fig. 6 were corrected
The role of geographical labelling in inserting extensive cattle systems into beef marketing channels. Evidence from three Spanish case studies
Creators: name: Gómez Ramos, Almudena
name: Bardají Azcaráte, Isabel
name: Atance Muñiz, Ignacio
name: Gómez Ramos, Almudena
name: Bardají Azcaráte, Isabel
name: Atance Muñiz, Ignacio
Publisher: name: Unknown
Year: 2006
Subjects: subject: Livestock Production/Industries
subject: extensive beef cattle
subject: geographical labelling
subject: rural development
subject: logit model

description: The beef cattle sector is adapting to increasing demand-side requirements. Customers are looking for a differentiated product of constant quality in a market that is beginning to be dominated by major distribution companies. In this background, mechanisms to differentiate production are being implemented to co-ordinate both production and marketing processes and integrate livestock farmers into the commercial system. Extensive cattle systems carry an important weight in Spain because of their social and environmental values. However, their structure and level of profitability are obstacles to their adaptation to new market trends. This situation calls for instruments that are able to bring the farmer into this adaptation process and to add value to and differentiate products. These instruments can be promoted by institutions or by the private sector through quality labels based on the product’s geographical origin. This paper aims to characterise the process of adaptation of Spanish extensive cattle systems through three case studies representing three kinds of extensive farming system located in the country’s northern, central and southern mountain ranges. A logit model based on a survey of farmers was developed to identify which variables have a greater influence on the decision to participate in quality labels based on geographical origin. The study concludes that the three mechanisms, which are based on a brand linked to their geographical origin, present important differences. Some factors as the institutional or regional context explains these differences and determine the degree of acceptance of each one of these mechanisms between the livestock farmers.
An Accurate Comprehensive Approach to Substructure: III. Masses and Formation Times of the Host Haloes
Creators: name: Salvador-Solé, Eduard
name: Manrique, Alberto
name: Canales, David
name: Botella, Ignacio
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: With this Paper we complete a comprehensive study of substructure in dark matter haloes. In Paper I we derived the radial distribution and mass function (MF) of accreted subhaloes (scaled to the radius and mass of the host halo) and showed they are essentially universal. This is not the case, however, for those of stripped subhaloes, which depend on halo mass and assembly history. In Paper II we derived these latter properties in the simplest case of purely accreting haloes. Here we extend the study to ordinary haloes having suffered major mergers. After showing that all the properties of substructure are encoded in the mean truncated-to-original subhalo mass ratio profile, we demonstrate that the dependence of the subhalo MF on halo mass arises from their mass-dependent concentration, while the shape of the subhalo radial distribution depends on the time of the last major merger of the host halo. In this sense, the latter property is a better probe of halo formation time than the former. Unfortunately, this is not the case for the radial distribution of satellites as this profile is essentially disconnected from subhalo stripping and the properties of accreted subhaloes are independent of the halo formation time.
description: 14 pages, 12 figures. Accepted for publication in MNRAS
On the performance of unitary models of household labor supply estimated on “collective” data with taxation
Creators: name: Beninger, Denis
name: Laisney, François
name: Beninger, Denis
name: Laisney, François
Publisher: name: Unknown
Year: 2006
Subjects: subject: Agricultural Finance
subject: Pareto optimal allocations
subject: policy evaluation
subject: simulated data

description: Cet article compare les modèles unitaire et collectif sur la base de données collectives simulées en présence de divers types de taxation des revenus. Nous distinguons en particulier un système d’imposition individuelle et un système d’imposition jointe. En spécifiant un modèle unitaire flexible, du type de ceux utilisés dans la littérature empirique, nous obtenons des estimations assez différentes selon le régime fiscal utilisé pour simuler les données. Nous trouvons aussi des différences substantielles dans les ajustements de l’offre de travail prédits à la suite d’un changement de régime fiscal. Nos résultats illustrent également le fait que le calibrage des paramètres d’une réforme fiscale peut être lui-même fortement affecté par l’utilisation d’un modèle unitaire lorsque les données sont générées par un modèle collectif. Enfin, nous discutons les distorsions qui affectent l’analyse de réformes fiscales en termes de bien-être dans une telle situation. Les résultats suggèrent que des efforts accrus devraient être consacrés à la recherche sur l’estimation de modèles collectifs dans les situations complexes auxquelles on est confronté lors de l’analyse de réformes fiscales. Ceci inclut des contraintes budgétaires donnant naissance à des ensembles de budget non convexes, ainsi que la modélisation de solutions en coin pour les offres de travail des conjoints. On the performance of unitary models of household labor supply estimated on “collective” data with taxation Summary – This paper compares collective and unitary models on the basis of simulated collective data with income taxation. We distinguish the cases of individual and joint taxation. Estimating a flexible unitary model, we obtain strikingly different “preference” parameters depending on the type of taxation. We also obtain substantial differences between predicted adjustments to labor supply following a switch between tax regimes. Our results show that even the design of revenue-neutral reforms may be heavily distorted by the use of a unitary model on collective data. Finally, we discuss distortions affecting the welfare analysis of reforms on the basis of unitary estimates when the model generating the data is a collective model. The results suggest that increased efforts should be devoted to the estimation of collective models with taxation.
Paralastor ignotus Perkins 1914
Creators: name: Carpenter, James M.
name: Brown, Graham R.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Vespidae
Paralastor
Paralastor ignotus

description: ignotus Perkins
Paralastor ignotus Perkins 1914a: 578 (key), 621, male—“ Australia, Swan River” (London).— Giordani Soika 1962 [1961]: 59.— Cardale 1985: 188 (cat.).
description: Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on page 42, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/4473370
Entelecara acuminata
Creators: name: Bosmans, Robert
name: Cardoso, Pedro
name: Crespo, Luis Carlos
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Entelecara
Entelecara acuminata

description: Entelecara acuminata (Wider, 1834)
 Description: Wiehle (1960: 354, figs 644–651), Roberts (1987: 40, figs 11a, 16a).
 New records: Coimbra: Paúl de Arzila NR, 1 male 4 females, 3.V–2.VII.2006, 5 males 13 females, 11– 14.V.2008, L. Crespo leg. (CRB, CLC).
 Distribution: Holarctic. New to Portugal.
 Habitat type: Only found in a marsh area.
 Phenology: In Portugal found from May to July.
description: Published as part of Bosmans, Robert, Cardoso, Pedro & Crespo, Luis Carlos, 2010, A review of the linyphiid spiders of Portugal, with the description of six new species (Araneae: Linyphiidae) 2473, pp. 1-67 in Zootaxa 2473 (1) on page 18, DOI: 10.11646/zootaxa.2473.1.1, http://zenodo.org/record/10094179
Spectral Asymptotics of Eigen-value Problems with Non-linear Dependence on the Spectral Parameter
Creators: name: Fursaev, D. V.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Functional Analysis (math.FA)
subject: Spectral Theory (math.SP)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study asymptotic distribution of eigen-values $ω$ of a quadratic operator polynomial of the following form $(ω^2-L(ω))ϕ_ω=0$, where $L(ω)$ is a second order differential positive elliptic operator with quadratic dependence on the spectral parameter $ω$. We derive asymptotics of the spectral density in this problem and show how to compute coefficients of its asymptotic expansion from coefficients of the asymptotic expansion of the trace of the heat kernel of $L(ω)$. The leading term in the spectral asymptotics is the same as for a Laplacian in a cavity. The results have a number of physical applications. We illustrate them by examples of field equations in external stationary gravitational and gauge backgrounds.
description: latex, 20 pages
Parameters Estimation for the Cosmic Microwave Background with Bayesian Neural Networks
Creators: name: Hortua, Hector J.
name: Volpi, Riccardo
name: Marinelli, Dimitri
name: Malagò, Luigi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Machine Learning (cs.LG)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: In this paper, we present the first study that compares different models of Bayesian Neural Networks (BNNs) to predict the posterior distribution of the cosmological parameters directly from the Cosmic Microwave Background temperature and polarization maps. We focus our analysis on four different methods to sample the weights of the network during training: Dropout, DropConnect, Reparameterization Trick (RT), and Flipout. We find out that Flipout outperforms all other methods regardless of the architecture used, and provides tighter constraints for the cosmological parameters. Moreover we compare with MCMC posterior analysis obtaining comparable error correlation among parameters, with BNNs being orders of magnitude faster in inference, although less accurate. Thanks to the speed of the inference process with BNNs, the posterior distribution, outcome of the neural network, can be used as the initial proposal for the Markov Chain. We show that this combined approach increases the acceptance rate in the Metropolis-Hasting algorithm and accelerates the convergence of the MCMC, while reaching the same final accuracy. In the second part of the paper, we present a guide to the training and calibration of a successful multi-channel BNN for the CMB temperature and polarization map. We show how tuning the regularization parameter for the standard deviation of the approximate posterior on the weights in Flipout and RT we can produce unbiased and reliable uncertainty estimates, i.e., the regularizer acts like a hyperparameter analogous to the dropout rate in Dropout. Finally, we show how polarization, when combined with the temperature in a unique multi-channel tensor fed to a single BNN, helps to break degeneracies among parameters and provides stringent constraints.
description: 24 pages with 19 figures
Decentralizing Education Resources: School Grants in Senegal
Creators: name: Meghir, Costas
name: Mommaerts, Corina
name: Carneiro, Pedro
name: Koussihouede, Oswald
name: Lahire, Nathalie
name: Meghir, Costas
name: Mommaerts, Corina
name: Carneiro, Pedro
name: Koussihouede, Oswald
name: Lahire, Nathalie
Publisher: name: Unknown
Year: 2015
Subjects: subject: Consumer/Household Economics
subject: International Development
subject: Labor and Human Capital
subject: Political Economy
subject: Public Economics
subject: Research Methods/ Statistical Methods
subject: quality of education
subject: decentralization
subject: school resources
subject: child development
subject: clustered randomized control trials

description: The impact of school resources on the quality of education in developing countries may depend crucially on whether resources are targeted efficiently. In this paper we use a randomized experiment to analyze the impact of a school grants program in Senegal, which decentralized a portion of the country's education budget. We find large positive effects on test scores at younger grades that persist at least two years. We show that these effects are concentrated among schools that focused funds on human resources improvements rather than school materials, suggesting that teachers and principals may be a central determinant of school quality.
Paralastor imitator Perkins 1914
Creators: name: Carpenter, James M.
name: Brown, Graham R.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Vespidae
Paralastor
Paralastor imitator

description: imitator Perkins
Paralastor imitator Perkins 1914a: 573, 578 (key), 595, pl. 1 fig. 10, female—“ Australia Champion Bay” (London); 1914b: 240 (compared to P. eutretus n. sp.).— Giordani Soika 1962 [1961]: 59.— Cardale 1985: 189 (cat.).
description: Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on page 42, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/4473370
Local Authority Housing Policy and Practice, 1973; Stafford Mortgages and Council House Sales
Stafford Mortgages and Council House Sales
Creators: name: Niner, P.
Publisher: name: UK Data Service
Year: 1977

description: A series of surveys were carried out to provide factual and detailed information on the performance of 6 local authorities in council house allocation, improvement grants, council mortgages and council house sales. The information was intended to support inter-authority comparisons, and to check on variability of policy and practice. The emphasis was on the extent to which housing need was being met and housing opportunities created.
Local Authority Housing Policy and Practice, 1973; Stafford Improvement Grants
Stafford Improvement Grants
Creators: name: Niner, P.
Publisher: name: UK Data Service
Year: 1977

description: A series of surveys were carried out to provide factual and detailed information on the performance of 6 local authorities in council house allocation, improvement grants, council mortgages and council house sales. The information was intended to support inter-authority comparisons, and to check on variability of policy and practice. The emphasis was on the extent to which housing need was being met and housing opportunities created.
Paralastor infernalis
Creators: name: Carpenter, James M.
name: Brown, Graham R.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Vespidae
Paralastor
Paralastor infernalis

description: infernalis (de Saussure)
Alastor infernalis de Saussure 1856: 332, sex not stated (in subgenus Paralastor)—“La Nouvelle-Hollande ” (female London).— Dalla Torre 1894: 111 (cat.); 1904: 60 (cat.).—von Schulthess 1935: 304 (in subgenus Paralastor; N. T.: Burnside).
Paralastor infernalis; Perkins 1914a: 568 (key), 579 (female, male; Qld.: Cairns; N. T.: Port Darwin).— Cardale 1985: 189 (cat.).— Brown 2009: 29 (N. T.: North Coast).
description: Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on pages 42-43, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/4473370
Local two-body parent Hamiltonians for the entire Jain sequence
Creators: name: Bandyopadhyay, Sumanta
name: Ortiz, Gerardo
name: Nussinov, Zohar
name: Seidel, Alexander
Publisher: name: arXiv
Year: 2019
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Using an algebra of second quantized operators, we develop local two-body parent Hamiltonians for all unprojected Jain states at filling factor $n/(2n{\sf p}+1)$, with integer $n$, and (half-)integer ${\sf p}$. We rigorously establish that these states are uniquely stabilized and that zero mode counting reproduces mode counting in the associated edge conformal field theory. We further establish an associated "entangled Pauli principle" describing these states and associated zero mode spaces, as well as an emergent SU($n$) symmetry.
description: 14 pages, 2 figures, published version, extended and improved supplement
Magnetic field amplification by a plasma cavitation instability in relativistic shock precursors
Creators: name: Peterson, J. Ryan
name: Glenzer, Siegfried
name: Fiuza, Frederico
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Plasma streaming instabilities play an important role in magnetic field amplification and particle acceleration in relativistic shocks and their environments. However, in the far shock precursor region where accelerated particles constitute a highly relativistic and dilute beam, streaming instabilities typically become inefficient and operate at very small scales when compared to the gyroradii of the beam particles. We report on a plasma cavitation instability that is driven by dilute relativistic beams and can increase both the magnetic field strength and coherence scale by orders of magnitude to reach near-equipartition values with the beam energy density. This instability grows after the development of the Weibel instability and is associated with the asymmetric response of background leptons and ions to the beam current. The resulting net inductive electric field drives a strong energy asymmetry between positively and negatively charged beam species. Large-scale particle-in-cell simulations are used to verify analytical predictions for the growth and saturation level of the instability and indicate that it is robust over a wide range of conditions, including those associated with pair-loaded plasmas. These results can have important implications for the magnetization and structure of shocks in gamma-ray bursts, and more generally for magnetic field amplification and asymmetric scattering of relativistic charged particles in plasma astrophysical environments.
description: 10 pages, 5 figures. Accepted by ApJL
On Schubert's Problem of Characteristics
Creators: name: Duan, Haibao
name: Zhao, Xuezhi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 14M15, 55T10

description: The Schubert varieties on a flag manifold G/P give rise to a cell decomposition on G/P whose Kronecker duals, known as the Schubert classes on G/P, form an additive base of the integral cohomology of G/P. The Schubert's problem of characteristics asks to express a monomial in the Schubert classes as a linear combination in the Schubert basis. We present a unified formula expressing the characteristics of a flag manifold G/P as polynomials in the Cartan numbers of the group G. As application we develop a direct approach to our recent works on the Schubert presentation of the cohomology rings of flag manifolds G/P.
description: 27pages
Paralastor infimus Perkins 1914
Creators: name: Carpenter, James M.
name: Brown, Graham R.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Vespidae
Paralastor
Paralastor infimus

description: infimus Perkins
Paralastor infimus Perkins 1914a: 575 (key), 603, male—“ Queensland, Brisbane” (London).— Giordani Soika 1962 [1961]: 60.— Cardale 1985: 189 (cat.).
description: Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on page 43, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/4473370
Erigone atra Blackwall 1833
Creators: name: Bosmans, Robert
name: Cardoso, Pedro
name: Crespo, Luis Carlos
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Erigone
Erigone atra

description: Erigone atra Blackwall, 1833
 Description: Wiehle (1960: 570, figs 1060–1064), Roberts (1987: 94, figs 43c, 46a).
 Previous records: Coimbra: Coimbra (Bacelar 1928).
 Distribution: Holarctic. The only citation in Portugal goes back to Bacelar (1928).
 Habitat type and phenology: Unknown in Portugal.
description: Published as part of Bosmans, Robert, Cardoso, Pedro & Crespo, Luis Carlos, 2010, A review of the linyphiid spiders of Portugal, with the description of six new species (Araneae: Linyphiidae) 2473, pp. 1-67 in Zootaxa 2473 (1) on page 18, DOI: 10.11646/zootaxa.2473.1.1, http://zenodo.org/record/10094179
On correlation functions of characteristic polynomials for chiral Gaussian Unitary Ensemble
Creators: name: Fyodorov, Yan V
name: Strahov, Eugene
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We calculate a general spectral correlation function of products and ratios of characteristic polynomials for a $N\times N$ random matrix taken from the chiral Gaussian Unitary Ensemble (chGUE). Our derivation is based upon finding an Itzykson-Zuber type integral for matrices from the non-compact manifold ${\sf{Gl(n,{\mathcal{C}})/U(1)\times ...\times U(1)}}$ (matrix Macdonald function). The correlation function is shown to be always represented in a determinant form generalising the known expressions for only positive moments. Finally, we present the asymptotic formula for the correlation function in the large matrix size limit.
description: 15 pages, no figures
A No-Go Theorem for the Compatibility between Involutions of the First Order Differentials on a Lattice and the Continuum Limit
Creators: name: DAI, Jian
name: SONG, Xing-Chang
Publisher: name: arXiv
Year: 2001
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We prove that the following three properties can not match each other on a lattice, that differentials of coordinate functions are algebraically dependent to their involutive conjugates, that the involution on a lattice is an antihomomorphism and that differential calculus has a natural continuum limit.
description: LaTeX, 7 pages; No figures and tables. Significant modifications being carried out
Local Authority Housing Policy and Practice, 1973; Ludlow Council House Analysis
Ludlow Council House Analysis
Creators: name: Niner, P.
Publisher: name: UK Data Service
Year: 1977

description: A series of surveys were carried out to provide factual and detailed information on the performance of 6 local authorities in council house allocation, improvement grants, council mortgages and council house sales. The information was intended to support inter-authority comparisons, and to check on variability of policy and practice. The emphasis was on the extent to which housing need was being met and housing opportunities created.
Erigone dentipalpis
Creators: name: Bosmans, Robert
name: Cardoso, Pedro
name: Crespo, Luis Carlos
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Erigone
Erigone dentipalpis

description: Erigone dentipalpis (Wider, 1834)
 Description: Wiehle (1960: 562, figs 1048–1059), Roberts (1987: 94, figs 43a, 45b), Bosmans (2007: 125, figs 38–43).
 Previous records: Beja: Vale do Guadiana NP, Pomarão (Cardoso et al. 2009). Braga: Peneda-Gerês NP, Terras de Bouro, Mata da Albergaria (Cardoso et al. 2008b). Porto: Penafiel, S. Mamede de Recezinhos (Simon 1898). Setúbal: Arrábida NP, Vale da Rasca (Cardoso et al. 2008a).
 New records: Beja: Serpa, Pulo do Lobo, 1 male, marshy area, 23.V.2007 (CRB). Faro: Aljezur, 1 male 1 female, marshy area along rivulet, 22.V.2007 (CRB). Lisboa: Mafra, Campo do Mato de Cima, 1 female, oak forest, 17.V.2001 (CGT). Santarém: Paúl do Boquilobo NR, Golegã, choupal, 5 males 1 female, 22.V– 5.VI.2002; Torres Novas, montado, 2 females, 2.V–15.V, 3 males 1 female, 19.IX–28.XI.2002; Torres Novas, salgueiral, 2 males, 24.IV and 5.VI.2002, all Cardoso leg. (CPC).
 Distribution: Holarctic.
 Habitat type: Prefers mostly riverine or marshy habitats.
 Phenology: Two adult abundance peaks are present, the first during May/June and the second during September/November.
description: Published as part of Bosmans, Robert, Cardoso, Pedro & Crespo, Luis Carlos, 2010, A review of the linyphiid spiders of Portugal, with the description of six new species (Araneae: Linyphiidae) 2473, pp. 1-67 in Zootaxa 2473 (1) on page 18, DOI: 10.11646/zootaxa.2473.1.1, http://zenodo.org/record/10094179
Instability of Quark Matter Core in a Compact Newborn Neutron Star With Moderately Strong Magnetic Field
Creators: name: Ghosh, Sutapa
name: Chakrabarty, Somenath
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: It is explicitly shown that if phase transition occurs at the core of a newborn neutron star with moderately strong magnetic field strength, which populates only the electron's Landau levels, then in the $β$-equilibrium condition, the quark core is energetically much more unstable than the neutron matter of identical physical condition.
description: Six pages REVTEX file, one .eps file (included)
Local Authority Housing Policy and Practice, 1973; Ludlow Mortgages
Ludlow Mortgages
Creators: name: Niner, P.
Publisher: name: UK Data Service
Year: 1977

description: A series of surveys were carried out to provide factual and detailed information on the performance of 6 local authorities in council house allocation, improvement grants, council mortgages and council house sales. The information was intended to support inter-authority comparisons, and to check on variability of policy and practice. The emphasis was on the extent to which housing need was being met and housing opportunities created.
Design and operation of the air-cooled beam dump for the extraction line of CERN's Proton Synchrotron Booster (PSB)
Creators: name: Perillo-Marcone, Antonio
name: Calviani, Marco
name: Solieri, Nicola
name: Ciccotelli, Alessia
name: Kaiser, Paul
name: Sarrio, Alba
name: Venturi, Valentina
name: Vlachoudis, Vasilis
Publisher: name: arXiv
Year: 2019
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: FOS: Physical sciences

description: A new beam dump has been designed, built, installed and operated to withstand the future proton beam extracted from the Proton Synchrotron Booster (PSB) in the framework of the LHC Injector Upgrade (LIU) Project at CERN, consisting of up to 1E14 protons per pulse at 2 GeV, foreseen after the machine upgrades planned for CERN's Long Shutdown 2 (2019-2020). In order to be able to efficiently dissipate the heat deposited by the primary beam, the new dump was designed as a cylindrical block assembly, made out of a copper alloy and cooled by forced airflow. In order to determine the energy density distribution deposited by the beam in the dump, Monte Carlo simulations were performed using the FLUKA code, and thermo-mechanical analyses were carried out by importing the energy density into ANSYS. In addition, Computational Fluid Dynamics (CFD) simulations of the airflow were performed in order to accurately estimate the heat transfer convection coefficient on the surface of the dump. This paper describes the design process, highlights the constraints and challenges of integrating a new dump for increased beam power into the existing facility and provides data on the operation of the dump.
Erigonoplus castellanus
Creators: name: Bosmans, Robert
name: Cardoso, Pedro
name: Crespo, Luis Carlos
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Erigonoplus
Erigonoplus castellanus

description: Erigonoplus castellanus (O.P.- Cambridge, 1875)
(Figs 30–36)
 Diagnosis: Males are easily recognised from other Erigonoplus species by the bladder like cephalic tubercle (Fig. 30), females by the abruptly narrowing median septum in the epigynum (Fig. 35).
 Description: Male: Measurements: Total length 1.8; prosoma 0.61–0.70 long, 0.54–0.56 wide. Colour: Prosoma yellow-brown, suffused with blackish brown at thoracic part, legs dull orange, abdomen black. Prosoma (Fig. 30): With very peculiar, bladder like tubercle, not carrying any eyes and constricted above the eye region. Legs: Femur I ventrally with 12 spines (Fig. 31); Ti I–II with spines broken off, Ti III–IV with 1 dorsal spine; Tb Mt II = 0.40. Palp (Figs 32–34): Tibia bent in the middle, distally with triangular prolateral and retrolateral apophyses; paracymbium J-shaped; radix and tail-piece wide, forming an angle of 90°; embolus compact, distally with small triangular tooth.
 Female: Total length 1.8–1.9; prosoma 0.73 long, 0.57 wide. Legs: Spine formula 2211; L Sp Ti I = 0.8, P Sp Ti I = 0.21; Tb I = 0.38. Epigynum (Fig. 35): With trapezoid atrium, divided by a median septum, narrowing towards the base. Vulva (Fig. 36): Spermathecae suboval, separated by their maximal diameter.
 Previous records: Lisboa: Mafra (Telfer 2003).
 New records: Coimbra: Paúl de Arzila NR, 2 males 1 female, 28.V.2008 (CLC). Leiria: Serras de Aire e Candeeiros NP, Serra da Pevide, 2 males 1 female, 6.V.2007, 1 male 19.V.2007 (CLC). Santarém: Paúl do Boquilobo NR, Torres Novas, montado, 1 male 22.V.2002, 1 male 30.VII.2002 (CPC).
 Distribution: Known from Spain, Aranjuez (O.P.- Cambridge 1875), Ciudad Real (Barriga et al. 2006) and from near Lisboa in Portugal (Telfer et al. 2003). Three new localities in Portugal are reported here.
 Habitat type: Not enough data to draw any conclusions.
 Phenology: The species was only collected between May and July.
description: Published as part of Bosmans, Robert, Cardoso, Pedro & Crespo, Luis Carlos, 2010, A review of the linyphiid spiders of Portugal, with the description of six new species (Araneae: Linyphiidae) 2473, pp. 1-67 in Zootaxa 2473 (1) on page 19, DOI: 10.11646/zootaxa.2473.1.1, http://zenodo.org/record/10094179
Feedback, Social Nudges, and Energy Conservation
Creators: name: Hunter, Elizabeth
name: Crago, Christine
name: Spraggon, John
name: Hunter, Elizabeth
name: Crago, Christine
name: Spraggon, John
Publisher: name: Unknown
Year: 2015
Subjects: subject: Resource /Energy Economics and Policy
subject: energy efficiency
subject: energy conservation
subject: social nudge
subject: social norms
subject: feedback
subject: field experiment
subject: boomerang effect
subject: split incentives

description: In the context of climate change and heightened concerns about our energy future, academics and policy makers have taken an interest in the different motivational factors influencing individuals’ energy use. One area of particular interest is the role of information and other non-financial motivators: When traditional financial incentives are not appropriate, can contextualized information programs be used to encourage energy conservation? In our research we conduct an experiment to examine the effect of feedback and social nudges on the energy consumption of renters in utility-inclusive contracts. A sample of 64 households at a University of Massachusetts Amherst family housing complex was selected to participate in this experiment. These residents pay utility-inclusive rent and previously had no means of gaining access to information regarding their personal energy consumption. Households were randomly divided into a control and two treatment groups. During the first phase of the experiment, both treatment groups received weekly Home Energy Reports [HERs] with feedback pertaining to their electricity consumption and its associated financial cost. During the second phase of the experiment both treatment groups continued to receive these HERs as before but with one distinction: households in one of the treatment groups received additional information as to how their electricity consumption compared to the electricity consumption of others in the complex (a social nudge). Analysis of this experiment suggests that feedback on own electricity usage reduced electricity consumption on average by 1.9%, while the social nudge increased electricity consumption by 3.6%. Further investigation into the cause of this positive effect on electricity consumption from social contextualization reveals that this figure was driven by low-consumers of electricity, who subsequently increased their electricity consumption upon receiving the social nudge.
Paralastor insularis
Creators: name: Carpenter, James M.
name: Brown, Graham R.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Vespidae
Paralastor
Paralastor insularis

description: insularis (de Saussure)
Alastor insularis de Saussure 1856: 334, pl. XVI fig. 3, female (in subgenus Paralastor)—“ Australia ” (coll. Smith, London).— Dalla Torre 1894: 111 (cat.); 1904: 60 (cat.).
Paralastor insularis; Perkins 1914a: 570 (key), 585 (male; W. A.: Swan River).— Cardale 1985: 189 (cat.).
description: Published as part of Carpenter, James M. & Brown, Graham R., 2021, Catalogue of the Australian Eumeninae (Hymenoptera: Vespidae), pp. 1-68 in Zootaxa 4919 (1) on page 43, DOI: 10.11646/zootaxa.4919.1.1, http://zenodo.org/record/4473370
The lattice scale at large beta in quenched QCD
Creators: name: Guagnelli, M.
name: Petronzio, R.
name: Tantalo, N.
Publisher: name: arXiv
Year: 2002
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: In this paper we extend the estimate of the value of the lattice spacing a in units of the r0 scale at values of the bare coupling larger than those available. By using results from the computation of the renormalised coupling in the Schroedinger functional formalism we find that from beta \simeq 7 onward the behaviour predicted by asymptotic freedom at tree loop describes very well the data if a value of (r0 Lambda) slightly lower then the latest available is used. We also show that, by sticking to the current value, an effective four loop term can describe as well the data. The systematic relative error on the lattice spacing induced by the choice of the procedure is between 1% and 3% for 6.92 < beta < 8.5.
description: 10 pages, 1 figure
Haro 11 -- Untying the knots of the nuclear starburst
Creators: name: Sirressi, M.
name: Adamo, A.
name: Hayes, M.
name: Bik, A.
name: Strandänger, M.
name: Runnholm, A.
name: Oey, M. S.
name: Östlin, G.
name: Menacho, V.
name: Smith, L. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Star formation is a clustered process that regulates the structure and evolution of galaxies. We investigate this process in the dwarf galaxy Haro 11, forming stars in three knots (A, B, C). The exquisite resolution of HST imaging allows us to resolve the starburst into tens of bright star clusters. We derive masses between $10^5$ and $10^7\,\rm M_{\odot}$ and ages younger than 20 Myr, using photometric modeling. We observe that the clustered star formation has propagated from knot C (the oldest) through knot A (in between) towards knot B (the youngest). We use aperture-matched ultraviolet and optical spectroscopy (HST + MUSE) to independently study the stellar populations of Haro 11 and determine the physical properties of the stellar populations and their feedback in 1 kpc diameter regions. We discuss these results in light of the properties of the ionised gas within the knots. We interpret the broad blue-shifted components of the optical emission lines as outflowing gas ($v_{max} \sim 400$ km/s). The strongest outflow is detected in knot A with a mass-rate of $\dot{M}_{out}\sim 10\,\rm M_{\odot}/yr$, ten times higher than the star-formation in the same region. Knot B hosts a young and not fully developed outflow, whereas knot C has likely been already evacuated. Because Haro 11 has properties similar to high-redshift unresolved galaxies, our work can additionally aid the understanding of star formation at high redshift, a window that will be opened by upcoming facilities.
description: Accepted for publication in MNRAS on 22nd Dec 2022: 18 pages, 9 figures
Efficiency of Wind Power Production and its Determinants
Creators: name: Pieralli, Simone
name: Ritter, Matthias
name: Odening, Martin
name: Pieralli, Simone
name: Ritter, Matthias
name: Odening, Martin
Publisher: name: Unknown
Year: 2015
Subjects: subject: Environmental Economics and Policy
subject: Production Economics
subject: Productivity Analysis
subject: Research Methods/ Statistical Methods
subject: Resource /Energy Economics and Policy
subject: wind energy
subject: efficiency
subject: free disposal hull
subject: bias correction

description: This article examines the efficiency of wind energy production. Using non-convex efficiency analysis, we quantify production losses for 19 wind turbines in four wind parks across Germany. In a second stage regression, we adapt the linear regression results of Kneip, Simar, and Wilson (2014) to explain electricity losses by means of a bias-corrected truncated regression analysis. The results show that electricity losses amount to 27% of the maximal producible electricity. Most of these losses are from changing wind conditions, while 6% are from turbine errors.