cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Analytical determination of the structure and nuclear abundances of the outer crust of a cold nonaccreted neutron star
Creators: name: Chamel, Nicolas
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A very fast iterative method is presented to calculate the internal constitution of the outer crust of a cold nonaccreted neutron star, making use of very accurate analytical formulas for the transition pressures between adjacent crustal layers and their density. In addition to the composition of the different crustal layers, their depth and their baryonic mass content can be simultaneously estimated using an approximate solution of Einstein's general relativistic equations. The overall computing time is drastically reduced compared to the traditional approach, thus opening the door to large-scale statistical studies and sensitivity analyses.
description: 15 pages. Accepted for publication in Physical Review C
COMPUTER LITERACY IS A TOOL TO THE SYSTEM OF INNOVATIVE CLUSTER OF PEDAGOGICAL EDUCATION
Creators: name: Kudratbek Makhmudov
Publisher: name: figshare
Year: 2020
Subjects: subject: Education
subject: 130103 Higher Education
subject: FOS: Educational sciences
subject: 130105 Primary Education (excl. Maori)
subject: 130106 Secondary Education

description: The article highlights the significance of digital (computer) literacy of teachers and proves it can help teacher education. When the period of quarantine started, it naturally showed many problems existed in teaching. Thus, not counting all of issues, in the paper we’re going to discuss the vital role of computer literacy for teacher education or innovative cluster of pedagogical education that is widely being studied in Tashkent Region. Conditions, current problems and possible solutions will be stated.
RED DE VALOR DEL MANGO Y SUS DESECHOS CON BASE EN LAS PROPIEDADES NUTRICIONALES Y FUNCIONALES
Creators: name: Sumaya Martinez, Ma. Teresa
name: Sánchez Herrera, Leticia Mónica
name: Torres García, Gerardo
name: García Paredes, Diego
name: Sumaya Martinez, Ma. Teresa
name: Sánchez Herrera, Leticia Mónica
name: Torres García, Gerardo
name: García Paredes, Diego
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agribusiness
subject: Mango
subject: value chain
subject: functional food.

description: The value chain is a new concept inside the agricultural development in Mexico that involves having in mind the demands of the consumers for the development of commercialization strategies for fruits. The nutritional and functional properties can add value to food. The mango and byproducts generated during its processing or marketing are a very important source of bioactive compounds with high added value, mostly dietary fiber, micronutrients, polyphenols, carotenoids, among many others. These can be valorisated through multidisciplinary research, innovation, technology transfer, development of market studies and business plans, as well as the accompaniment during the management and implementation of functional foods in agro-business.
ANÁLISIS DEL DESEMPLEO, LA MIGRACIÓN Y LA POBREZA EN MÉXICO
Creators: name: Figueroa Hernandez, Esther
name: Ramirez Abarca, Orsohe
name: Gonzalez Elias, J. Martin
name: Perez Soto, Francisco
name: Espinosa Torres, Luis Enrique
name: Figueroa Hernandez, Esther
name: Ramirez Abarca, Orsohe
name: Gonzalez Elias, J. Martin
name: Perez Soto, Francisco
name: Espinosa Torres, Luis Enrique
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agribusiness
subject: Unemployment
subject: migration
subject: poverty
subject: remittances and income.

description: Undeveloped economies are dealing with very big issues such as low or null economic growth, higher rates of unemployment, high index of migration and millions of people living in extreme poverty. Therefore, the present investigation aims to analyze unemployment, migration and poverty in Mexico; since unemployment in Mexico has a rate of 5.5% according to INEGI, followed by migration and extreme poverty. One of the most important effects from the previous matters is that they have stimulated people to migrate. Because of the unemployment increase and the low wages in the country it has been stimulated the population to migrate. In addition, in the USA, the unemployment rate of Mexican migrants has raised from 8.0 to 12.0% (2009) approximately, inducing a strong decrease in remittances, which brings as a consequence a diminish in families revenue that depend on such remittances, causing an intensification in the country's poverty.
Magnetic properties of quasi-one-dimensional lanthanide calcium oxyborates Ca$_4$LnO(BO$_3$)$_3$
Creators: name: Kelly, Nicola D.
name: Dutton, Siân E.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: This study examines the lanthanide calcium oxyborates Ca$_4$LnO(BO$_3$)$_3$ (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Y, Er, Yb). The reported monoclinic structure (space group $Cm$) was confirmed using powder X-ray diffraction. The magnetic Ln$^{3+}$ ions are situated in well-separated chains parallel to the c axis in a quasi-one-dimensional array. Here we report the first bulk magnetic characterisation of Ca$_4$LnO(BO$_3$)$_3$ using magnetic susceptibility $χ$(T) and isothermal magnetisation M(H) measurements at T $\geq$ 2 K. With the sole exception of Ca$_4$TbO(BO$_3$)$_3$, which displays a transition at T = 3.6 K, no magnetic transitions occur above 2 K, and Curie-Weiss analysis indicates antiferromagnetic nearest-neighbour interactions for all samples. Calculation of the magnetic entropy change $ΔS_m$ indicates that Ca$_4$GdO(BO$_3$)$_3$ and Ca$_4$HoO(BO$_3$)$_3$ are viable magnetocaloric materials at liquid helium temperatures in the high-field and low-field regimes respectively.
description: 9 pages, 6 figures. Accepted by Inorganic Chemistry, 28 May 2020
GESTIÓN DE LA INNOVACIÓN TECNOLÓGICA (GIT), UN EJERCICIO DE AUTOEVALUACIÓN EN DOCE MICROEMPRESAS CHIHUAHUENSES
Creators: name: Aranda Gutiérrez, Heriberto
name: De La Fuente Martinez, Martha Leticia
name: Becerra Reza, Maria Nieves
name: Martinez Nevarez, Javier
name: Callejas Juarez, Nicolas
name: Esparza Vela, Mario Edgar
name: Aranda Gutiérrez, Heriberto
name: De La Fuente Martinez, Martha Leticia
name: Becerra Reza, Maria Nieves
name: Martinez Nevarez, Javier
name: Callejas Juarez, Nicolas
name: Esparza Vela, Mario Edgar
Publisher: name: Unknown
Year: 2012
Subjects: subject: Agribusiness
subject: Evaluation instruments
subject: innovation management
subject: technology management
subject: small businesses.

description: It is globally known that the micro-business as a mean of self-employment has sustained the social and economical developments, which are surpluses against poverty. In Latin America, these organizations represent 20% of the national PIB with 65 millions approximately, and at the same time, these micro-businesses represent a half of the region's employment. In Mexico, micro, small and medium enterprises represent more than 95% of total economic units and contribute with 50% of employment. Studies of business extinction causes highlight the absence of formal administration and obstacles in accessing to technology and services required. The objective was to identify and analyze features associated with the technological innovation management processes in twelve small businesses in Chihuahua. The information obtain had been analyzed. The results reveal micro-companies have the characteristics which literature considers key for innovation; however their rates are less than evaluations made to small and medium businesses.
Measurement of the final states $ωπ^0$, $ρη$, and $ρη^{'}$ from $\psip$ electromagnetic decays and $\ee$ annihilations
Creators: name: Ablikim, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Cross sections and form factors for $\ee \to \wpi$, $ρη$, and $ρ\etap$ at center of mass energies of 3.650, 3.686, and 3.773 GeV are measured using data samples collected with the BESII detector at the BEPC. Also, the branching fractions of $ψ(2S) \rar \wpi$, $ρη$, and $ρ\etap$ are determined to be $(1.87^{+0.68}_{-0.62}\pm0.28)\times 10^{-5}$, $(1.78^{+0.67}_{-0.62}\pm0.17)\times 10^{-5}$, and $(1.87^{+1.64}_{-1.11}\pm0.33)\times10^{-5}$, respectively.
description: 8 pages, 4 figures, 4 tables
Enforcing End-To-End Proportional Fairness with Bounded Buffer Overflow Probabilities in Ad-Hoc Wireless Networks
Creators: name: SINGH, NIKHILESH
Publisher: name: Zenodo
Year: 2023

description: In this paper, we present a distributed flow-based access scheme for slotted-time protocols, that providesproportional fairness in ad-hoc wireless networks under constraints on the buffer overflow probabilities ateach node. The proposed scheme requires local information exchange at the link-layer and end-to-endinformation exchange at the transport-layer, and is cast as a nonlinear program. A medium access controlprotocol is said to be proportionally fair with respect to individual end-to-end flows in a network, if theproduct of the end-to-end flow rates is maximized. A key contribution of this work lies in the construction ofa distributed dual approach that comes with low computational overhead. We discuss the convergenceproperties of the proposed scheme and present simulation results to support our conclusions.
Datos de panel y demanda de alimentos en Espana
Creators: name: Dhehibi, B.
name: Gil, J.M.
name: Angulo, Ana Maria
name: Dhehibi, B.
name: Gil, J.M.
name: Angulo, Ana Maria
Publisher: name: Unknown
Year: 2004
Subjects: subject: Demand and Price Analysis
subject: Food Consumption/Nutrition/Food Safety
subject: Datos de panel
subject: seleccion de la forma funcional
subject: sistemas de demanda de alimentos
subject: Espana
subject: Panel data
subject: seletion of the functional form
subject: food demand systems
subject: Spain.

description: Hasta la fecha, la mayor parte de los trabajos que han estudiado la demanda de alimentos en Espana han considerado unicamente datos de series temproales o de seccion cruzado. El principal objectivo de este estudio consiste en considerar conjuntamente las dos dimensiones para abordar este problema, tralando de ofrecer al lector unas pantas no solo para estimar sistemas de demanda con un panel de datos sino tambien para contrastar su correcta especificacion. Una segunda caracteristica de este trabajo consiste en definir un esquema general a partir del cual se pueda especificar una forma funcional del sistema de demanda que mejor se ajuste a la informacion disponible, en vez de seleccionar a priori una forma funcional determinda. Los resultados empiricos obtenidos estan en la linea de trabajos anteriores, si bien las elasticidades gasto y precio directas calculadas son ligeramente superiores, sobre todo en el caso de los productos precederos. Al analizar los efectos de las caracteristicas sociodemograficas de los indiciduos, la edad y el porcentaje de miembros de la familia menores de 13 anos son los principales determinantes del consumo de carnes, pescados y azucar, experimentandose un descenso en las cantidades consumidads de estos productos conformen aumentan dichas variables...The demand for food in Spain has been traditionally studied only considering time series or cross section data. This paper aims to analyse food demand jointly considering both data dimensions. It also provides some guidance on how estimate demand systems using a panel data set and on how to carry out misspecification tests. The second main characteristics of this paper is that instead of selecting an a priori functional form, we provide a flexible approach from which the functional form which fits better the data can be selected. Empirical results are consistent with those found in precious literature although expenditure and price elasticities are slightly higher for perishable products. As far as the socio-demographic characteristics of households, the age and the percentage of household members below 13 years are main determinants of meat, fish, and sugar consumption. Consumed quantities of these products decrease as the two considered variables increase.
Los segmentos de flota pesqueta en la Union Europea. Ua propuesta para el calculo de las rentabilidades medias
Creators: name: Suris Regueiro, Juan C.
name: Garza Gil, M. Dolores
name: Suris Regueiro, Juan C.
name: Garza Gil, M. Dolores
Publisher: name: Unknown
Year: 2004
Subjects: subject: International Relations/Trade
subject: Productivity Analysis
subject: Rentabilidad
subject: flota pequera europea
subject: european fishing fleet
subject: profitability

description: En este trabajo se realiza una descripcion sintetica del estado actual del sector pesquero europeo por segmentos y se propone un procedimiento para evaluar los resultados economics medios obtenidos por las flotas pesqueras de la Union Europea. A partir de una muestra representatice de segmentos de flota, el objectivo prioritario consistio en presentar dichos esultados por grandes areas de pesca y por segmentos de flota. Como resultado general constatamos que, en la mayor parte de los casos contemplados, sin ayudas publicas el capital invertido en la actividad pesquera no alcanza rentabilidades medias razonables y equiparables a la de usos alternativos del mismo...This paper shows a brief description about the European fishing sector by segments and develops a procedure by means of which to evaluate the average economic performances of the European Union's fishing fleets. Based on representative sample of fleet segments, the main object consisted of presenting such performances divided up into large fishing areas and into fleet segments. As a general result, we would state that in the majority of cases contemplated, the capital invested in fishing activity can obtain average reasonable yields, comparable to that if it were used in alternative ways.
The UV surface habitability of Proxima b: first experiments revealing probable life survival to stellar flares
Creators: name: Abrevaya, Ximena C.
name: Leitzinger, Martin
name: oppezzo, Oscar
name: Odert, Petra
name: Patel, Manish
name: Luna, Gerardo J. M.
name: Forte-Giacobone, Ana F.
name: Hanslmeier, Arnold
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We use a new interdisciplinary approach to study the UV surface habitability of Proxima $b$ under quiescent and flaring stellar conditions. We assumed planetary atmospheric compositions based on CO$_2$ and N$_2$ and surface pressures from 100 to 5000 mbar. Our results show that the combination of these atmospheric compositions and pressures provide enough shielding from the most damaging UV wavelengths, expanding the "UV-protective" planetary atmospheric compositions beyond ozone. Additionally, we show that the UV radiation reaching the surface of Proxima $b$ during quiescent conditions would be negligible from the biological point of view, even without an atmosphere. Given that high UV fluxes could challenge the existence of life, then, we experimentally tested the effect that flares would have on microorganisms in a "worst-case scenario" (no UV-shielding). Our results show the impact that a typical flare and a superflare would have on life: when microorganisms receive very high fluences of UVC, such as those expected to reach the surface of Proxima $b$ after a typical flare or a superflare, a fraction of the population is able to survive. Our study suggests that life could cope with highly UV irradiated environments in exoplanets under conditions that cannot be found on Earth.
description: Accepted for publication in MNRAS Letters
title: Automatic detection of landmarks and axes at the human knee joint
Creators: name: Freidhager, Clemens
Publisher: name: TU Wien
Year: 2018
Subjects: subject: Landmarken
subject: Knee
subject: Dedektierung
subject: Landmarks
subject: Knee
subject: Dedection

description: Motivation: Anatomical landmarks are of great importance for many medical fields. Especially at the knee joint, landmarks are used for orientation during surgery or to define axes. Consequently, knowledge of their exact location is crucial. Previous methods to detect these points are very time consuming or highly complex. In 2009, a fully automatic approach to detect peak landmarks based on surface curvatures was presented by Subburaj et al. This method was implemented and tested. In addition, the method was extended to detect different geometric structures and axes. Material and methods: As the proposed method is based on curvature values of surface meshes, segmented computer tomography scans were used to obtain triangular meshes of 15 knees. A semi-automatic multi-step process was implemented to detect bony landmarks with the shape of a peak, based on curvature values and adjacency relationships. The implemented algorithm was extended to detect further geometrical shapes of the surface such as edges and valleys. This enabled the computation of the farthest points of the tibial plateau and the patella as well as the cylindrical axis and the path of the trochlear groove. In addition, the shaft axes of the femur and tibia were calculated. This algorithm was applied to all 15 specimens. The results obtained for the bony landmarks were compared with the landmarks labeled by an experienced orthopedic surgeon on 7 of those 15 specimens. Results: Manual intervention was necessary for all specimens to allow the algorithm to detect bony landmarks on the surface. However, the algorithm was only able to detect all landmarks of 5 femura and 6 tibias. The variability in location of bony landmarks of the femur and tibia, compared to the landmarks labeled by the surgeon, were found to be in range of 1.90 to 6.96 mm. The computation of the farthest points of the patella as well as tibial plateau, the trochlear groove, and the cylindrical axis delivered adequate results, required manual interventions for roughly half of all specimens. The computation of the shaft axis of the femur and tibia did not require any interventions to get results. Discussion: The methods for detecting landmarks or axes which were based on larger regions or an overall contour of the bone were relatively stable. In contrast, using curvature values for locating small peak landmarks required partly manual interventions and this strategy was not successful for all specimens. The landmarks found were in good agreement with the literature. In conclusion, semi-automatic detecting and labeling of anatomical landmarks and axes could be achieved with the implemented algorithms.
Synthetic carboline compounds targeting protein: biophysical and biological perspective
Creators: name: Paromita Bhattacharjee
name: Sarkar, Sarita
name: Shmatova, Olga I.
name: Nenajdenko, Valentine G.
name: Prateek Pandya
name: Kakali Bhadra
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Science Policy
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer

description: Pictet–Spengler cyclization method has been adopted for the synthesis of three carboline derived compounds: two compounds with tetrahydro gama- and beta-having CF3 group and amino alkyl chain at delta and alpha position, respectively, and another with guanidine alkyl chain at alpha-position. Structure–activity relationship of the analogues with human serum albumin was studied by fluorescence and Fourier-transform infrared spectroscopy followed by molecular docking. The data showed maximum affinity of human serum albumin with comp7 (S0-820) followed by comp3 (S0-1040) and least with comp1 (S0-728). The compounds were tested for cytotoxic potencies. Comp3, showed maximum cytotoxicity with GI50 6.2 µM, against HCT-116, followed by comp7, and poor cytotoxicity with comp1. Comp3 and 7 induced oxidative stress mediated autophagy led programmed cell death in HCT-116. Furthermore, the compounds effectively inhibit DNA topoisomerase I activity and showed anti-inflammatory actions. In vivo studies regarding therapeutic protective action of Comp3, as a representative carboline analogue, against colon toxicant, 1,2-dimethylhydrazine dihydrochloride (DMH), showed the efficacy of the compound against organ toxicity. The existing studies on biological evaluation showed that these synthetic compounds may have a major role as anticancer agents having myriad of proven therapeutic applications. Communicated by Ramaswamy H. Sarma HighlightsStructure-activity relation showed maximum affinity of HSA with comp7 followed by comp3 and least with comp1.Comp3 and 7 induced oxidative stress mediated autophagy led programmed cell death in HCT-116.The compounds effectively inhibit DNA topoisomerase I activity and showed anti-inflammatory actionsIn vivo studies showed the efficacy of the compound against megacolon condition. Structure-activity relation showed maximum affinity of HSA with comp7 followed by comp3 and least with comp1. Comp3 and 7 induced oxidative stress mediated autophagy led programmed cell death in HCT-116. The compounds effectively inhibit DNA topoisomerase I activity and showed anti-inflammatory actions In vivo studies showed the efficacy of the compound against megacolon condition.
Additional file 1 of Prospecting during egg laying informs incubation recess movements of eastern wild turkeys
Creators: name: Bakner, Nicholas W.
name: Ulrey, Erin E.
name: Collier, Bret A.
name: Chamberlain, Michael J.
Publisher: name: figshare
Year: 2024
Subjects: subject: Neuroscience
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: Cardiology

description: Additional file 1: Study site descriptions.
An Indefinite Kaehler Metric on the Space of Oriented Lines
Creators: name: Guilfoyle, Brendan
name: Klingenberg, Wilhelm
Publisher: name: arXiv
Year: 2004
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53B30, 53A25

description: The total space of the tangent bundle of a Kähler manifold admits a canonical Kähler structure. Parallel translation identifies the space ${\Bbb{T}}$ of oriented affine lines in ${\Bbb{R}}^3$ with the tangent bundle of $S^2$. Thus, the round metric on $S^2$ induces a Kähler structure on ${\Bbb{T}}$ which turns out to have a metric of neutral signature. It is shown that the isometry group of this metric is isomorphic to the isometry group of the Euclidean metric on ${\Bbb{R}}^3$. The geodesics of this metric are either planes or helicoids in ${\Bbb{R}}^3$. The signature of the metric induced on a surface $Σ$ in ${\Bbb{T}}$ is determined by the degree of twisting of the associated line congruence in ${\Bbb{R}}^3$, and we show that, for $Σ$ Lagrangian, the metric is either Lorentz or totally null. For such surfaces it is proven that the Keller-Maslov index counts the number of isolated complex points of ${\Bbb{J}}$ inside a closed curve on $Σ$.
description: 12 pages, AMS-LATEX
The Effect of Substellar Continent Size on Ocean Dynamics of Proxima Centauri b
Creators: name: Salazar, Andrea M.
name: Olson, Stephanie L.
name: Komacek, Thaddeus D.
name: Stephens, Haynes
name: Abbot, Dorian S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The potential habitability of tidally locked planets orbiting M-dwarf stars has been widely investigated in recent work, typically with a non-dynamic ocean and without continents. On Earth, ocean dynamics are a primary means of heat and nutrient distribution. Continents are a critical source of nutrients, strongly influence ocean dynamics, and participate in climate regulation. In this work, we investigate how the size of a substellar land mass affects the oceans ability to transport heat and upwell nutrients on the tidally locked planet Proxima Centauri b using the ROCKE-3D coupled ocean-atmosphere General Circulation Model (GCM). We find that dayside ice-free ocean and nutrient delivery to the mixed layer via upwelling are maintained across all continent sizes. We also find that Proxima Centauri bs climate is more sensitive to differences among atmospheric GCMs than to the inclusion of ocean dynamics in ROCKE-3D. Finally, we find that Proxima Centauri b transitions from a lobster state where ocean heat transport distributes heat away from the substellar point to an eyeball state where heat transport is restricted and surface temperature decreases symmetrically from the substellar point when the continent size exceeds about 20 percent of the surface area. Our work suggests that both a dynamic ocean and continents are unlikely to decrease the habitability prospects of nearby tidally locked targets like Proxima Centauri b that could be investigated with future observations by the James Webb Space Telescope (JWST).
description: Accepted to ApJ Letters May 19th, 2020
Magnetic WKB constructions on surfaces
Creators: name: Bonthonneau, Yannick Guedes
name: Duc, Tho Nguyen
name: Raymond, Nicolas
name: Ngoc, San Vũ
Publisher: name: arXiv
Year: 2020
Subjects: subject: Spectral Theory (math.SP)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: This article is devoted to the description of the eigenvalues and eigenfunctions of the magnetic Laplacian in the semiclassical limit via the complex WKB method. Under the assumption that the magnetic field has a unique and non-degenerate minimum, we construct the local complex WKB approximations for eigenfunctions on a general surface. Furthermore, in the case of the Euclidean plane, with a radially symmetric magnetic field, the eigenfunctions are approximated in an exponentially weighted space.
description: 31 pages
Un caso de cambio en el manejo de los recursos cinegeticos: la historia de la cria en cautividad de la perdiz roja en Espana
Creators: name: Redondo, Pedro Gonzalez
name: Redondo, Pedro Gonzalez
Publisher: name: Unknown
Year: 2004
Subjects: subject: Farm Management
subject: Production Economics
subject: Perdiz roja
subject: Alectoris rufa
subject: grandjas cinegeticas
subject: repoblacion cinegetica
subject: recursos naturales
subject: red-legged partridge
subject: alectoris rufa
subject: game farming
subject: restocking
subject: natural resources

description: Se analiza la evolucion historia del manejo cinegetico de la perdiz roja en Espana, destacando los cambios en los aspectos tecnicos y la reaccion social frente a dichos cambios, resaltando los conflictos sociales y ecologicos originados. Se hand identificando cinco etapas historicas diferenciadas: 1) Caza de la perdiz como mera cosecha y las introducciones de perdices, sobre todo en el extranjero (hasta 1940). 2)Repoblacion cinegetica con perdices capturdas en el campo, sobre todo de regiones espanolas escasamente perdiceras (1940-1965). 3)Inciios de la cria preindustrial de la perdiz roja (1950-1965), que origino tecnicas de cria artesanal todavia utilizadas. 4) Primeras experiencias cientificas (primera mitad de la decada de 1960), que sentaron las bases para la produccion industrial actual. 5) Expansion de las granjas cinegeticas de perdiz roja y proliferacion de las repoblaciones con perdices de granja (1965-2004). Se concluye que manejo cinegetico de la perdiz roja ha experimentado un proceso de ganaderizacion...It has been analyzed the evolution of the red-legged partridge management in Spain, standing out the technical changes and social responses to them and showing the social and ecological conflicts originated. It has been identified five historical periods: 1) Hunting of the red-legged partridge as single harvesting and the introductions of partridges, mainly at the foreign (until 1940). 2) Restocking with partridges captured in country, mainly of Spanish regions with low density of partridges (1940-1965). 3) Beginnings of the pre-industrial farming of the red-legged partridge (1950-1965), that originated primitive farming techniques still in use. 4) Firsts scientific assays (first half of the 1960 decade), that established the basis of the present intensive farming production. 5) Spreading of the game farms of red-legged partridges and diffusion of the restockings with farm partridges (1965-2004). It is concluded that the game management of the red-legged partridge has been progressively artificializated.
Spontaneous symmetry breaking of dissipative optical solitons in a two-component Kerr resonator
Creators: name: Xu, Gang
name: Nielsen, Alexander
name: Garbin, Bruno
name: Hill, Lewis
name: Oppo, Gian-Luca
name: Fatome, Julien
name: Murdoch, Stuart G.
name: Coen, Stéphane
name: Erkintalo, Miro
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Dissipative solitons are self-localised structures that can persist indefinitely in "open" systems characterised by continual exchange of energy and/or matter with the environment. They play a key role in photonics, underpinning technologies from mode-locked lasers to microresonator optical frequency combs. Here we report on the first experimental observations of spontaneous symmetry breaking of dissipative optical solitons. Our experiments are performed in a passive, coherently driven nonlinear optical ring resonator, where dissipative solitons arise in the form of persisting pulses of light known as Kerr cavity solitons. We engineer balance between two orthogonal polarization modes of the resonator, and show that despite perfectly symmetric operating conditions, the solitons supported by the system can spontaneously break their symmetry, giving rise to two distinct but co-existing vectorial solitons with mirror-like, asymmetric polarization states. We also show that judiciously applied perturbations allow for deterministic switching between the two symmetry-broken dissipative soliton states, thus enabling all-optical manipulation of topological bit sequences. Our experimental observations are in excellent agreement with numerical simulations and theoretical analyses. Besides delivering fundamental insights at the intersection of multi-mode nonlinear optical resonators, dissipative structures, and spontaneous symmetry breaking, our work provides new avenues for the storage, coding, and manipulation of light.
description: 9 pages, 4 figures
Permanencia de la actividad agraria y politicas de desarrollo rural: un analisis a partir de un seguimiento (1981-2001) a explotaciones agrarias en zonas de montana del sureste espanol
Creators: name: Calatrava-Leyva, Javier
name: Sayadi, Samir
name: Calatrava-Leyva, Javier
name: Sayadi, Samir
Publisher: name: Unknown
Year: 2004
Subjects: subject: Agribusiness
subject: Community/Rural/Urban Development
subject: Agricultura a tiempo parcial
subject: marginalidad de las explotaciones
subject: desrrollo rural
subject: agricultura de montana
subject: part-time agriculture
subject: farming marginality
subject: rural development
subject: mountain agriculture.

description: El presente trabajo se basa en un seguimiento a un grupo de explotaciones agrarias de la zona montanosa de Las Alpujarras, situada al sureste de Espana, durante dos decadas consecutivas: 1981-1991 y 1991-2001. Tras comentar brevemente los cambios acaecidos, en la primera decada, expuestos ya en trabajos anteriores, se analiza la permanencia o no de la actividad comercial d las explotaciones en el 2001, tratando de identificar los factores que determinan dicha permanencia. para ello, se ha ajustado un modelo Probit binomial analizado la relacion entre la permanencia de las explotaciones agrarias en el 2001 y su nivel de marginalidad, la pratica de la agricultura a tiempo parcial, la dimension de la explotacion y la centa de los productos a traves de cooperativas. El nivel de marginalidad se mide mediante un indice de remuneracion de la mano de obra total empleada en la actividad agraria. Finalmente a modo de conclusiones, se ofrecen algunos comentarios relativos al impacto de los programas europeos de desarrollo rural iniciados en la zona en 1991, sobre las explotaciones agrarias...The present study is based on the folloq-up of a group of farms in the mountain areas of the Alpujarras, located in southeastern Spain, over two consecutive decades: 1981-1991 and 1991-2001. After a brief commentary on the changes that took place during the first decades, and which were presented in earlier studies, the permanence or disappearance of the farms as commercial units for the year 2001 is analysed, and factors determining this permanence are identified, To this end, a Probit binomial model has been adjusted to analyse the relationship between the permanence of the farms in 2001 and their level of marginality, part-time farming, the relative sizes of the farmlands, and the sale of their products through co-ops. The marginality level has been measured by the rate of remuneration from the total hand labour used for the agrarian activity. Fianlly, conclusions are drawn, in which some comments on the impact on these farms of the EU rural development programmes, which began in the area in 1991, are included.
Supplementary Figures and Table from Preservation of erniettomorph fossils in clay-rich siliciclastic deposits from the Ediacaran Wood Canyon Formation, Nevada
Creators: name: J. G. Hall
name: E. F. Smith
name: N. Tamura
name: S. C. Fakra
name: T. Bosak
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: Geochemistry
subject: FOS: Earth and related environmental sciences

description: Additional figures and one table which support the results
PEDAGOGICAL EDUCATION CLUSTER: CONTENT AND FORM
Creators: name: Kudratbek Makhmudov
Publisher: name: figshare
Year: 2020
Subjects: subject: Education
subject: 130106 Secondary Education
subject: FOS: Educational sciences
subject: 130313 Teacher Education and Professional Development of Educators
subject: 130103 Higher Education
subject: 130105 Primary Education (excl. Maori)

description: The globalization process that is taking place all over the world requires the clustering of education as well as other areas. Globalization has led to a sharp increase in competition in the education services market. In this competitive environment, the cluster is a means of counteracting the power of globalization. The integration of education, science and industry around a common goal increases their potential. The pedagogical education cluster provides this cooperation. The article is based on the scientific view that the provision of competitiveness of subjects in the market of educational services by means of a cluster. The concept of the pedagogical education cluster is described and its needs, mechanisms, principles and directions of implementation are identified. The authors have extensively commented on the goals, objectives, principles and directions of the pedagogical education cluster. The organizational, practical significance and theoretical basis of the implementation of the pedagogical education cluster are described. The authors have sought to base their views on the opinions of Western scholars. Scientific researches of Western scientists on the educational cluster have been analyzed. There are scientific conclusions concerning social, economic, legal, marketing and pedagogical implications of clustering education.
Modelos econometricos de valoracion de la tierra de uso agricola. Una aplicacion al Estado espanol
Creators: name: Caballer Mellado, Vincente
name: Guadalajara Olmeda, Natividad
name: Caballer Mellado, Vincente
name: Guadalajara Olmeda, Natividad
Publisher: name: Unknown
Year: 2004
Subjects: subject: Crop Production/Industries
subject: Productivity Analysis
subject: Tierra agraria
subject: caloracion
subject: analisis multivariante
subject: modelos
subject: Farmland
subject: valuation
subject: multivariate analysis
subject: models

description: Este articulo realiza una revision de la sitatcion actual del empleo de los modelos econometricos de valoracion de la tierra ya su aplicacion a la estimacion del valor de marcado de la tierra en Espana, mediante un modelo estatico multivariante. Asimismo, se formulan distintas variaciones aceptando hipotesis simplificativas, come son el empleo de los factores frente a variables elegidas dentro de cada factor, y de los modelos dicotomicos, para los criterios de obtencion de la base de datos procendente de la Encuesta de Precios de la Tierra (cultivo y Comunidad Autonoma). Se demuestra que valor medio de la tierra de uso agricola en Espana va a aumentando en funcion de la productividad del efecto residencial de cada Comunidad Autonoma...In this work us realizes a revision of the actual state of the econometric models use for the farmland valuation and their application to the determination of the farmland market value in Spain, using a multivariate static model. In the same way, differents variations are formulated with simples hypothesis, as are the use of the factors instead of variables that are chosen in each factor, and the dichotomies models for the explaining the criterions, to obtain the database coming from the Farmland Prices Inquiry (crop and Autonomour region). Is demonstrated that the farmland value in Spain increase with the productivity and the housing development in each Autonomous region.
Image Reconstruction for Multi-frequency Electromagnetic Tomography based on Multiple Measurement Vector Model
Creators: name: Xiang, Jinxi
name: Chen, Zhou
name: Dong, Yonggui
name: Yang, Yunjie
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Imaging the bio-impedance distribution of a biological sample can provide understandings about the sample's electrical properties which is an important indicator of physiological status. This paper presents a multi-frequency electromagnetic tomography (mfEMT) technique for biomedical imaging. The system consists of 8 channels of gradiometer coils with adjustable sensitivity and excitation frequency. To exploit the frequency correlation among each measurement, we reconstruct multiple frequency data simultaneously based on the Multiple Measurement Vector (MMV) model. The MMV problem is solved by using a sparse Bayesian learning method that is especially effective for sparse distribution. Both simulations and experiments have been conducted to verify the performance of the method. Results show that by taking advantage of multiple measurements, the proposed method is more robust to noisy data for ill-posed problems compared to the commonly used single measurement vector model.
description: This is an accepted paper which has been submitted to I2MTC 2020 on Nov. 2019
D2.1 - SUPERSHINE survey collection and descriptive statistics - Part 1
Creators: name: Gómez Meirás, Miguel
name: Calvo Bosque, Rut
name: Zerilli, Paola Z
name: Djeddi, Ahmed
name: Vicente Gómez, Julia
name: Gómez, Ana Belén
name: Demir, Esra
name: Araç, Buse
Publisher: name: Zenodo
Year: 2025

description: This report aims to provide insights based on how the customised surveys per country weredesigned. These surveys will collect raw data to validate and replicate the SUPERSHINEanalysis. Here are the key aspects covered in the data collection:

Social Acceptance: Understanding how communities perceive and accept low-carbon technologies and energy-efficient solutions.

Financial Aspects: Investigating the financial implications of adopting sustainablepractices in social housing.

 Environmental Impact: Assessing the environmental effects of implementingenergy-efficient measures.

Economic Considerations: Analysing the economic feasibility of low-carbontechnologies.

Social Life Cycle Assessment (LCA): Evaluating the overall social impact of theseinitiatives.

Low Carbon Technologies: Identifying innovative technologies that contribute tosustainability.

Energy Efficiency in Social Housing: Focusing on improving energy efficiencywithin social housing complexes.

Social Engagement: Exploring community involvement and participation.

Social Innovation: Recognizing novel approaches to address energy poverty andenhance quality of life.

By examining these variables, the SUPERSHINE project aims to alleviate energy povertywhile advancing the European Green Deal’s goal of achieving a zero-emission buildingstock by 2050.
Atom-photon, atom-atom and photon-photon entanglement preparation via fractional adiabatic passage
Creators: name: Amniat-Talab, M.
name: Guerin, S.
name: Sangouard, N.
name: Jauslin, H. R.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a relatively robust scheme to generate maximally entangled states of (i) an atom and a cavity photon, (ii) two atoms in their ground states, and (iii) two photons in two spatially separate high-Q cavities. It is based on the interaction via fractional adiabatic passage of a three-level atom traveling through a cavity mode and a laser beam. The presence of optical phases is emphasized.
description: 6 pages, 7 figures. We have changed the title, the abstract and the text. The references have been updated. (Accepted by Phys. Rev. A)
Wave propagation in a strongly disordered 1D phononic lattice supporting rotational waves
Creators: name: Ngapasare, A.
name: Theocharis, G.
name: Richoux, O.
name: Skokos, Ch.
name: Achilleos, V.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We investigate the dynamical properties of a strongly disordered micropolar lattice made up of cubic block units. This phononic lattice model supports both transverse and rotational degrees of freedom hence its disordered variant posses an interesting problem as it can be used to model physically important systems like beam-like microstructures. Different kinds of single site excitations (momentum or displacement) on the two degrees of freedom are found to lead to different energy transport both superdiffusive and subdiffusive. We show that the energy spreading is facilitated both by the low frequency extended waves and a set of high frequency modes located at the edge of the upper branch of the periodic case for any initial condition. However, the second moment of the energy distribution strongly depends on the initial condition and it is slower than the underlying one dimensional harmonic lattice (with one degree of freedom). Finally, a limiting case of the micropolar lattice is studied where Anderson localization is found to persist and no energy spreading takes place.
Renormalization-group running cosmologies - a scale-setting procedure
Creators: name: Babic, A.
name: Guberina, B.
name: Horvat, R.
name: Stefancic, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: For cosmologies including scale dependence of both the cosmological and the gravitational constant, an additional consistency condition dictated by the Bianchi identities emerges, even if the energy-momentum tensor of ordinary matter stays individually conserved. For renormalization-group (RG) approaches it is shown that such a consistency relation ineluctably fixes the RG scale (which may have an explicit as well as an implicit time dependence), provided that the solutions of the RG equation for both quantities are known. Hence, contrary to the procedures employed in the recent literature, we argue that there is no more freedom in identification of the RG scale in terms of the cosmic time in such cosmologies. We carefully set the RG scale for the RG evolution phrased in a quantum gravity framework based on the hypothetical existence of an infrared (IR) fixed point, for the perturbative regime within the same framework, as well as for an evolution within quantum field theory (QFT) in a curved background. In the latter case, the implications of the scale setting for the particle spectrum are also briefly discussed.
description: v1:15 pages, 1 figure. v2: references added. v3: discussion of the physical interpretation of the scale-setting procedure added. v4: discussions added. Version to appear in Phys. Rev. D
Structure Factors of Neutron Matter at Finite Temperature
Creators: name: Alexandru, Andrei
name: Bedaque, Paulo
name: Berkowitz, Evan
name: Warrington, Neill C.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Quantum Gases (cond-mat.quant-gas)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We compute continuum and infinite volume limit extrapolations of the structure factors of neutron matter at finite temperature and density. Using a lattice formulation of leading-order pionless effective field theory, we compute the momentum dependence of the structure factors at finite temperature and at densities beyond the reach of the virial expansion. The Tan contact parameter is computed and the result agrees with the high momentum tail of the vector structure factor. All errors, statistical and systematic, are controlled for. This calculation is a first step towards a model-independent understanding of the linear response of neutron matter at finite temperature, a realm until now little explored.
description: 5 pages, 3 figures, data included in submission; further experimental data included
Appendix I & II from The elaboration of exploratory play
Creators: name: Pelz, Maddie
name: Kidd, Celeste
Publisher: name: The Royal Society
Year: 2020
Subjects: subject: 170299 Cognitive Science not elsewhere classified
subject: FOS: Psychology
subject: 60801 Animal Behaviour
subject: FOS: Biological sciences

description: Table of Results and Model Comparison
A General Method for the Determination of Matrix Coefficients for High Order Optical System Modelling
Creators: name: Almeida, Jose B.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The non-linear transformations incurred by the rays in an optical system can be suitably described by matrices to any desired order of approximation. In systems composed of uniform refractive index elements, each individual ray refraction or translation has an associated matrix and a succession of transformations correspond to the product of the respective matrices. This paper describes a general method to find the matrix coefficients for translation and surface refraction irrespective of the surface shape or the order of approximation. The choice of coordinates is unusual as the orientation of the ray is characterised by the direction cosines, rather than slopes; this is shown to greatly simplify and generalise coefficient calculation. Two examples are shown in order to demonstrate the power of the method: The first is the determination of seventh order coefficients for spherical surfaces and the second is the determination of third order coefficients for a toroidal surface.
description: 12 pages