cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS), Vol 4 (2008)
title: Journal of the American Association for the Advancement of Curriculum Studies
titleType: AlternativeTitle
Creators: name: Journal Of The American Association For The Advancement Of Curriculum Studies (JAAACS)
Publisher: name: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS)
Year: 2008

description: CONTRIBUTORS P. Hendry, P. Appelbaum, W. Urban, D. Jardine, R. Whitlock, and S. Doff
description: Learning From Caroline Pratt
The Great Snape Debate 1
Problems and Prospects in Global Education: An Essay Review of E. Thomas Ewing and David Hicks, editors, Education and the Great Depression: Lessons from a Global History
On The While of Things
Queering “The Misfit”: Locating a Curriculum of Place Within Flannery O’Connor’s Fundamentalist Narrator
How Language Teaching Started Afresh: Origins and Repercussions of the Reform Movement in German Foreign Language Teaching Curricula
title: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS), Vol 5 No 1 (2009)
title: Journal of the American Association for the Advancement of Curriculum Studies
titleType: AlternativeTitle
Creators: name: Journal Of The American Association For The Advancement Of Curriculum Studies (JAAACS)
Publisher: name: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS)
Year: 2009

description: CONTRIBUTORS P. Slattery & S. Edgerton, J. Burns & M. Lombard, C. Snowber & S. Wiebe, J. Jupp, D. Carlson, S. Ross & D. Jardine, and N. Christodoulou & S. Phlippou.
description: Presidential Address AAACS - Advancing a Curriculum of Place for Justice and Sustainability
Review and Reflection of Paula Salvio’s Anne Sexton: Teacher of Weird Abundance
In Praise of the Vulnerable: A Poetic and Autobiographical Response to Salvio's Abundant Sexton
Multicultural Humanities: The Linguistic Turn, Implications, and Praxise
Tales of Future Past:  The Living Legacy of Eugenics in American Education
Won By A Certain Labour:  A Conversation On The While Of Things
Curriculum Studies in Cyprus: Directions, Limitations and Challenges
The Weil--Petersson geometry of the moduli space of Riemann surfaces
Creators: name: Teo, Lee-Peng
Publisher: name: arXiv
Year: 2008
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 30F60, 32G15 (Primary)

description: In [4], Z. Huang showed that in the thick part of the moduli space $\mathcal{M}_g$ of compact Riemann surfaces of genus $g$, the sectional curvature of the Weil--Petersson metric is bounded below by a constant depending on injectivity radius, but independent of the genus $g$. In this article, we prove this result by a different method. We also show that the same result holds for Ricci curvature. For the universal Teichmüller space equipped with Hilbert structure induced by Weil--Petersson metric, we prove that its sectional curvature is bounded below by a universal constant.
description: 12 pages
Thermoelectric properties and Wiedemann-Franz like relations in mixed-dimensional QEDs from particle-vortex dualities
Creators: name: Hsiao, Wei-Han
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider the thermoelectric properties of the mixed-dimensional quantum electrodynamics of the relativistic Dirac fermion and Wilson-Fisher boson. These models are self-dual, and can form non-trivial many-body phases depending on the values of chemical potential, background magnetic field and the electromagnetic fine-structure constant. Using particle-vortex duality, we derive a variety of thermoelectric relations for strongly-interacting phases with classic paradigms such as the Wiedemann-Franz law and the Mott's relation in the dual weakly interacting regimes. Besides, at the self-dual point, for the fermionic theory we find the ratio of thermal conductivity of electrical conductivity depends on the determinant of the Seebeck tensor and the phenomenological parameter Hall angle $θ_H$. As for the bosonic theory, the dual fermion description explains how its Seebeck tensor varies depending on the dynamic regime characterized by $θ_H$.
description: 7 pages
Toimintamalli digitaaliseen aineistonhallintaan 1.1
Creators: name: Satama, Manna
name: Kiiskinen, Harri
name: Nissin, Laura
Publisher: name: Zenodo
Year: 2020
Subjects: avoin tieto
metadata
tutkimusaineisto
humanistiset tieteet
kuvailu
projektit
pysyvät tunnisteet
tiedeinstituutit
tiedontuottajat
tieteellinen julkaisutoiminta
tutkimusprojektit
tutkimustyö

description: Asiakirja on tehty osana opetus- ja kulttuuriministeriön rahoittamaa Tiedeinstituuttien avoin tutkimusdata -hanketta. Hankkeen toteuttajina toimivat Suomen ulkomaisten tiedeinstituuttien taustayhteisöt. Hanketta hallinnoi Institututum Romanum Finlandiae sr. Asiakirja kuvaa hankkeen tutkijoiden ehdotuksen tiedeinstituuteille siitä, miten näiden olisi mahdollista järjestää ja kehittää omaa toimintaansa suhteessa digitaalisten tutkimusaineistojen käsittelyyn, säilytykseen ja julkaisuun. Asiakirja on laadittu suositukseksi ja ehdotukseksi. Siinä esitetyt näkemykset perustuvat hankkeen tutkijoiden selvitystyöhön. Asiakirjaa on käsitelty hankkeen ohjausryhmässä, joka on antanut sisältöön liittyviä kommentteja, ehdotuksia ja suosituksia. Asiakirjan versioo 1.0 kerättiin palautetta erityisesti hankkeessa mukana olevilta instituuteilta (henkilöstö, säätiöiden hallitukset) kesällä ja syksyllä 2020. Palautteiden perusteella on laadittu tämä päivitetty versio. Asiakirja pyrkii ennen kaikkea antamaan tiedeinstituuttien henkilöstölle ja instituuttien toiminnasta vastaaville taustayhteisöille työvälineitä sekä pidemmän tähtäimen strategiseen suunnitteluun että instituuttien päivittäisen toiminnan järjestämiseen.
The Global Impact of Human Population Growth and Resource Consumption
Creators: name: Ponomareff, Greg
Publisher: name: QUBES Educational Resources
Year: 2025

description: Before the activity, students are divided into 3 groups that are assigned 3 different reading assignments (land use, atmosphere, or water quality). On the day of the activity, students work collaboratively with students from the same reading assignment group for 20 – 40 minutes to answer questions and address concepts from their particular assigned reading.
 Next, students are shuffled (jigsaw-style) into small teams of 3 students (one student from each reading group). Students educate each other with concepts from their respective reading groups and then work collaboratively on a shared project to select, define, and potentially solve an environmental challenge.
title: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS), Vol 5 No 2 (2009)
title: Journal of the American Association for the Advancement of Curriculum Studies
titleType: AlternativeTitle
Creators: name: Journal Of The American Association For The Advancement Of Curriculum Studies (JAAACS)
Publisher: name: Journal of the American Association for the Advancement of Curriculum Studies (JAAACS)
Year: 2009

description: CONTRIBUTORS C. Henriksson, A. Moreira, N. Christodoulou & S. Philippou, and E. Rwanamiza
description: Curriculum in Abundance – A Phenomenological Reading
Curriculum Studies: Advances and Challenges in the Internationalization Process
Issues of Language and Culture in Translating ‘Curriculum’:  An Analysis of Curriculum Publications
Knowledge, Education, Learning and Teaching: Meanings and Relationships
Towards On-Demand Heralded Single-Photon Sources via Photon Blockade
Creators: name: Tang, Jiangshan
name: Tang, Lei
name: Wu, Haodong
name: Wu, Yang
name: Sun, Hui
name: Zhang, Han
name: Li, Tao
name: Lu, Yanqing
name: Xiao, Min
name: Xia, Keyu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Spontaneous parametric down-conversion (SPDC) in a laser pumped optical nonlinear medium can produce heralded single photons with a high purity but a very low yield. Improving the yield by increasing the pump power in SPDC inevitably reduces the purity due to excitation of multi-photon events. We propose a scheme to overcome this purity-yield trade-off by suppressing multi-photon events in a cavity-enhanced SPDC via the photon blockade effect. By introducing a strong photon-photon interaction into the intracavity medium and increasing the pump power, we can improve the available single-photon yield to larger than $90\%$, while maintaining a high purity of $99\%$, towards on-demand generation of single photons through the SPDC process. Our quasi-on-demand SPDC sources may boost single-photon-based quantum information technology.
Unpaired cross-modality educed distillation (CMEDL) for medical image segmentation
Creators: name: Jiang, Jue
name: Rimner, Andreas
name: Deasy, Joseph O.
name: Veeraraghavan, Harini
Publisher: name: arXiv
Year: 2021
Subjects: subject: Image and Video Processing (eess.IV)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Accurate and robust segmentation of lung cancers from CT, even those located close to mediastinum, is needed to more accurately plan and deliver radiotherapy and to measure treatment response. Therefore, we developed a new cross-modality educed distillation (CMEDL) approach, using unpaired CT and MRI scans, whereby an informative teacher MRI network guides a student CT network to extract features that signal the difference between foreground and background. Our contribution eliminates two requirements of distillation methods: (i) paired image sets by using an image to image (I2I) translation and (ii) pre-training of the teacher network with a large training set by using concurrent training of all networks. Our framework uses an end-to-end trained unpaired I2I translation, teacher, and student segmentation networks. Architectural flexibility of our framework is demonstrated using 3 segmentation and 2 I2I networks. Networks were trained with 377 CT and 82 T2w MRI from different sets of patients, with independent validation (N=209 tumors) and testing (N=609 tumors) datasets. Network design, methods to combine MRI with CT information, distillation learning under informative (MRI to CT), weak (CT to MRI) and equal teacher (MRI to MRI), and ablation tests were performed. Accuracy was measured using Dice similarity (DSC), surface Dice (sDSC), and Hausdorff distance at the 95$^{th}$ percentile (HD95). The CMEDL approach was significantly (p $
description: This manuscript is has been accepted by IEEE Transactions on Medical Imaging
Teaching computational and experimental reactor physics using innovative pedagogical methods
Creators: name: Demazière Christophe
name: Cabellos, Oscar
name: Garcia-Herranz, Nuria
name: Dulla, Sandra
name: Miró, Rafa
name: Macian, Rafael
name: Szieberth, Máté
name: Buchet, Emma
name: Maurice, Suzi
name: Errecart, Flora
Publisher: name: Zenodo
Year: 2021
Subjects: education
innovative teaching
pedagogy
nuclear reactor
physics
Euratom
H2020

description: Presentation of the GRE@T-PIONEeR project , pedagogical principles, and course offerings.
Libertad de expresión luego de las elecciones
Creators: name: Suing, Abel
Publisher: name: Zenodo
Year: 2021
Subjects: Ecuador
elecciones
democracia
derechos
libertad
expresión
información
comunicación
presidente
cambio
gobierno

description: Publicación en la sección de opinión del diario digital hora 32 https://hora32.com.ec/ que se edita en Loja (Ecuador)
Slip and friction mechanisms at polymer semi-dilute solutions / solid interfaces
Creators: name: Grzelka, Marion
name: Antoniuk, Iurii
name: Drockenmuller, Eric
name: Chennevière, Alexis
name: Léger, Liliane
name: Restagno, Frédéric
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The role of the polymer volume fraction, $ϕ$, on steady state slippage and interfacial friction is investigated for a semi-dilute polystyrene solutions in diethyl phthalate in contact with two solid surfaces. Signicant slippage is evidenced for all samples, with slip lengths b obeying a power law dependence. The Navier's interfacial friction coecient, k, is deduced from the slip length measurements and from independent measurements of the solutions viscosity $η$. The observed scaling of k versus $ϕ$ clearly excludes a molecular mechanism of friction based on the existence of a depletion layer. Instead, we show that the data of $η$($ϕ$) and k($ϕ$) are understood when taking into account the dependence of the solvent friction on $ϕ$. Two models, based on the friction of blobs or of monomers on the solid surface, well describe our data. Both points out that the Navier's interfacial friction is a semi-local phenomenon.
Optimal quantum source coding with quantum information at the encoder and decoder
Creators: name: Yard, Jon
name: Devetak, Igor
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Consider many instances of an arbitrary quadripartite pure state of four quantum systems ABCD. Alice holds the AC part of each state, Bob holds B, while D represents all other parties correlated with ABC. Alice is required to redistribute the C systems to Bob while asymptotically preserving the overall purity. We prove that this is possible using Q qubits of communication and E ebits of shared entanglement between Alice and Bob, provided that Q geq I(C;D|B)/2 and Q+E geq H(C|B), proving the optimality of the Luo-Devetak outer bound. The optimal qubit rate provides the first known operational interpretation of quantum conditional mutual information. We also show how our protocol leads to a fully operational proof of strong subadditivity and uncover a general organizing principle, in analogy to thermodynamics, that underlies the optimal rates.
description: Final version
Fractional Skyrmion molecules in a $\mathbb{C}P^{N-1}$ model
Creators: name: Akagi, Yutaka
name: Amari, Yuki
name: Gudnason, Sven Bjarke
name: Nitta, Muneto
name: Shnir, Yakov
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We study fractional Skyrmions in a $\mathbb{C}P^2$ baby Skyrme model with a generalization of the easy-plane potential. By numerical methods, we find stable, metastable, and unstable solutions taking the shapes of molecules. Various solutions possess discrete symmetries, and the origin of those symmetries are traced back to congruencies of the fields in homogeneous coordinates on $\mathbb{C}P^2$.
description: 9 pages, 4 figures, Published version
The effect of milk pricing on genetic selection goals in British Columbia and Quebec dairy cattle populations
Creators: name: Hird, Wendy Louise
Publisher: name: University of British Columbia
Year: 2010

description: This study has compared the effect of milk pricing systems on the selection goals of dairy producers in two provinces of Canada, British Columbia (BC), and Quebec. These provinces were chosen for comparison as BC produces milk largely for a fluid market, while Quebec produces milk for a manufacturing market. Within BC, due to a higher utilization and higher milk price, the value/kg of skim on Vancouver Island was higher than that of the Vancouver Lower Mainland over the study period 1963-1982. Between the two provinces, the value/kg of skim in BC was found to be consistently higher than in Quebec over the 20 year period, while the value of fat was higher in Quebec than BC. In BC in 1980, the value of a kilogram of skim was approximately $0.30, whereas its value in Quebec was only $0.20. During the 1960s in BC, the value of skim represented one half the value of milk, and in 1982 it comprised two thirds of the value of milk, as compared to Quebec, where fat represented 43% of the value of milk. Net economic values were calculated by subtracting the dollar cost of production associated with the components of milk (carrier, fat and protein), from the gross value/kg of skim and fat. These values showed that the value/kg of protein was negative and decreasing in both BC and Quebec. The economic value/kg of butterfat has been consistently positive and increasing over the study period in BC and Quebec to $3.27 and $3.34/kg respectively in 1982. The relative economic values of carrier, fat and protein in BC and Quebec in 1982 were 0.08:1.00:-0.10 and 0.06:1.00:-0.12 respectively, which puts moderate selection on carrier and fat, and negative selection on protein. Selection index weights for carrier, fat and protein revealed that the BC dairy industry has always applied positive selection to the carrier and fat portion, and negative selection to the protein portion of milk. In 1982 the selection weights were 0.087:1.253:-1.189. The Quebec index has shown more fluctuation that BC, with less selection against solids compared to BC; (0.050:1.280:-0.657). Theoretical genetic goals of the BC dairy industry have been consistent at approximately 3.0% butterfat, 2.0% protein and 95.0% carrier. The genetic goals in Quebec have undergone wide fluctuations, but generally have signalled the dairy producer to increase both butterfat and protein. The goals of the two industries are now very similar, with the exception that Quebec continues to place higher value on solids than BC.
Prokuratura europejska – nowy wymiar Współpracy w przestrzeni wolności, bezpieczeństwa i sprawiedliwości Unii Europejskiej
Creators: name: Kusztal, Aleksandra
Publisher: name: Wydawnictwo Uniwersytetu Jana Kochanowskiego w Kielcach
Year: 2021

description: SPIS TREŚCI Agnieszka Kasińska-Metryka, Radosław Kubicki (Kielce) WPROWADZENIE ................... 7 Agnieszka Kasińska-Metryka, Radosław Kubicki (Kielce) INTRODUCTION .............. 9 SAMORZĄD TERYTORIALNY Kazimierz Kik (Kielce) SAMORZĄD TERYTORIALNY W POLSCE – W PARTYJNYM KLINCZU ....... 13 STOSUNKI MIĘDZYNARODOWE I EUROPEISTYKA Aleksandra Kusztal (Kielce) PROKURATURA EUROPEJSKA – NOWY WYMIAR WSPÓŁPRACY W PRZESTRZENI WOLNOŚCI, BEZPIECZEŃSTWA I SPRAWIEDLIWOŚCI UNII EUROPEJSKIEJ ... 27 Jacek Kraś (Krosno) ROLA ŚWIATOWEJ ORGANIZACJI TURYSTYKI (UNWTO) W REALIZOWANIU POLITYKI TURYSTYCZNEJ W DOBIE GLOBALIZACJI .............. 49 POLITOLOGIA Michał Dylewski (Ostrowiec Świętokrzyski) WIRTUALNE ZAGROŻENIA CYFROWEJ DEMOKRACJI .......... 65 BEZPIECZEŃSTWO Dawid Sawa (Łódź) BLOKADA KRAJU VERSUS BEZPIECZEŃSTWO EKONOMICZNE I ZDROWOTNE UNII EUROPEJSKIEJ W RZECZYWISTOŚCI PANDEMII KORONAWIRUSA .......... 79 Miłosz Malec (Staszów) ROZWÓJ I ZNACZENIE ELEKTROWNI W POŁAŃCU ........... 93 INNOWACYJNOŚĆ I EKONOMIA Renata Jedlińska (Kielce) INNOWACYJNOŚĆ WE WSPÓŁCZESNEJ GOSPODARCE ............. 105 SOCJOLOGIA I HISTORIA Irena Fudali (Kielce) POLITYKA – HISTORIA – NAUKA W ANALIZIE ZACHOWAŃ ZBIOROWYCH. POGROM ŻYDÓW W KIELCACH ......... 121 MATERIAŁY ŹRÓDŁOWE Dominik Flisiak (Warszawa) WYBRANE MATERIAŁY Z GAZET ZWIĄZANYCH ZE SPOŁECZNOŚCIĄ ŻYDOWSKĄ DOTYCZĄCE POGROMU W KIELCACH Z 4 LIPCA 1946 ROKU ....... 159 NOTA EDYTORSKA I STRUKTURA ARTYKUŁÓW ........ 179 PROCEDURA RECENZOWANIA ............ 185 KODEKS ETYCZNY ........... 187 ZAPORA GHOSTWRITING ................... 189 FORMULARZ ZGŁOSZENIOWY ...................... 191
description: Główna teza artykułu skupia się na stwierdzeniu, że decyzja z 2017 roku grupy państw członkowskich Unii Europejskiej, zmierzająca do podjęcia tzw. wzmocnionej współpracy w celu powołania Prokuratury Europejskiej, świadczy o żywotności procesu integracji europejskiej w obszarze tzw. przestrzeni wolności, bezpieczeństwa i sprawiedliwości. To także dowód na postępującą konstytucjonalizację prawa unijnego i rosnącą autonomię budżetową UE, gdyż zadania Prokuratury Europejskiej mają się koncentrować na ochronie specyficznych interesów finansowych samej Unii. Jednocześnie proces powstawania Prokuratury Europejskiej jako odrębnego ciała i ujawnione w jego toku napięcia skłaniają do wyciągania wniosków dotyczących licznych barier i ograniczeń w procesie integracji europejskiej, z którymi nowy organ będzie się musiał zmierzyć.
SU(4)_C X SU(2)_L X SU(2)_R Models With C-parity
Creators: name: Shafi, Qaisar
name: Lee, Chin-Aik
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We construct supersymmetric SU(4)_C X SU(2)_L X SU(2)_R models with spontaneously broken left-right symmetry (C-parity). The minimal supersymmetric standard model (MSSM) can be recovered at low scales by exploiting the missing partner mechanism. The field content is compatible with realistic fermion masses and mixings, proton lifetime is close to or exceeds the current experimental bounds, and supersymmetric hybrid inflation can be implemented to take care of C-parity domain walls as well as magnetic monopoles, and to realize the observed baryon asymmetry via non-thermal leptogenesis.
description: 10 pages
An Objective Prior from a Scoring Rule
Creators: name: Walker, Stephen G.
name: Villa, Cristiano
Publisher: name: arXiv
Year: 2021
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: In this paper we introduce a novel objective prior distribution levering on the connections between information, divergence and scoring rules. In particular, we do so from the starting point of convex functions representing information in density functions. This provides a natural route to proper local scoring rules using Bregman divergence. Specifically, we determine the prior which solves setting the score function to be a constant. While in itself this provides motivation for an objective prior, the prior also minimizes a corresponding information criterion.
title: Imaging of malignant bone tumors in adolescents and young adults – pictorial review
Creators: name: Dias, Ricardo
Publisher: name: European Society of Muscoskeletal Radiology
Year: 2019
Subjects: subject: Biopsy
subject: Plain radiographic studies
subject: MR
subject: CT
subject: Oncology
subject: Musculoskeletal bone
subject: Bones
subject: Epidemiology
subject: Neoplasia

description: Learning objectives Background Imaging findings OR Procedure Details Conclusion References Personal Information
description: Learning objectives: 1. To describe and analyze the epidemiology of malignant bone tumors in adolescents and young adults. 2. To illustrate the radiologic features of malignant bone tumors on plain radiography, computer tomography (CT) and magnetic resonance imaging...
Evolution of low-frequency features in the CMB spectrum due to stimulated Compton scattering and Doppler-broadening
Creators: name: Chluba, J.
name: Sunyaev, R. A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We discuss a new solution of the Kompaneets-equation for physical situations in which low frequency photons, forming relatively narrow spectral details, are Compton scattered in an isotropic, infinite medium with an intense ambient blackbody field that is very close to full thermodynamic equilibrium with the free electrons. In this situation the background-induced stimulated Compton scattering slows down the motion of photons toward higher frequencies by a factor of 3 in comparison with the solution that only takes into account Doppler-broadening and boosting. This new solution is important for detailed computations of cosmic microwave background spectral distortions arising due to uncompensated atomic transitions of hydrogen and helium in the early Universe. In addition we derive another analytic solution that only includes the background-induced stimulated Compton scattering and is valid for power-law ambient radiation fields. This solution might have interesting applications for radio lines arising inside of bright extra-galactic radio source, where according to our estimates line shifts because of background-induced stimulated scattering could be amplified and even exceed the line broadening due to the Doppler-effect.
description: 5 pages, 2 figures, submitted to A&A
title: Imaging the paediatric hip: An update on optimum radiographic techniques.
Creators: name: Mullins, Matthew
Publisher: name: European Society of Muscoskeletal Radiology
Year: 2019
Subjects: subject: Anatomy
subject: Digital radiography
subject: Technical aspects
subject: Dysplasias

description: Learning objectives Background Imaging findings OR Procedure Details Conclusion References Personal Information
description: Learning objectives: Update on technical aspects of performing DR for imaging the paediatric hip. Review the standard of care for patients presenting for hip screening after 4 months of age. Sensitivity and specificity of DR for detection of hip dysplasia. New...
The efficiency of resonant relaxation around a massive black hole
Creators: name: Eilon, Ehud
name: Kupi, Gábor
name: Alexander, Tal
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Resonant relaxation (RR) is a rapid relaxation process that operates in the nearly-Keplerian potential near a massive black hole (MBH). RR dominates the dynamics of compact remnants that inspiral into a MBH and emit gravitational waves (extreme mass ratio inspiral events, EMRIs). RR can either increase the EMRI rate, or strongly suppress it, depending on its still poorly-determined efficiency. We use small-scale Newtonian N-body simulations to measure the RR efficiency and to explore its possible dependence on the stellar number density profile around the MBH, and the mass-ratio between the MBH and a star (a single-mass stellar population is assumed). We develop an efficient and robust procedure for detecting and measuring RR in N-body simulations. We present a suite of simulations with a range of stellar density profiles and mass-ratios, and measure the mean RR efficiency in the near-Keplerian limit. We do not find a statistically significant dependence on the density profile or the mass-ratio. Our numerical determination of the RR efficiency in the Newtonian, single-mass population approximations, suggests that RR will likely enhance the EMRI rate by a factor of a few over the rates predicted assuming only slow stochastic two-body relaxation.
description: 5 pp, 6 figs, ApJ submitted
A trustless decentralized protocol for distributed consensus of public quantum random numbers
Creators: name: Nguyen, Lac
name: Ramanathan, Jeevanandha
name: Wang, Michelle Mei
name: Sua, Yong Meng
name: Huang, Yuping
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum random number (QRNG) beacons distinguish themselves from classical counterparts by providing intrinsic unpredictability originating from the fundamental laws of quantum mechanics. Most demonstrations have focused on certifiable randomness generators to guarantee the public that their genuineness is independent from imperfect implementations. These efforts however do not benefit applications where multiple distrusted users need a common set of random numbers, as they must rely on the honesty of beacon owners. In this paper, we formally introduce a design and proof-of-principle experiment of the first consensus protocol producing QRNs in a decentralized environment (dQRNG). Such protocol allows N number of participants contribute in the generation process and publicly verify numbers they collect. Security of the protocol is guaranteed given(N-1) dishonest participants. Our method is thus suited for distribute systems that requires a bias-resistant, highly secure, and public-verifiable random beacon.
description: 9 pages, 9 figures, poster presented at Quantum Cryptography conference QCrypt 2021
title: Non-Arthrographic MRI Findings after Surgery for Femoroacetabular Impingement of the Hip
Creators: name: Foreman, Sarah
Publisher: name: European Society of Muscoskeletal Radiology
Year: 2019
Subjects: subject: Arthritides
subject: Outcomes analysis
subject: MR
subject: Musculoskeletal joint

description: Purpose Methods and Materials Results Conclusion References Personal Information
description: Purpose: Femoroacetabular Impingement (FAI) is a common source for hip pain and frequently associated with impaired hip joint biomechanics, acetabular chondral delamination, cartilage defects and labral tearing (1) Arthroscopy of the hip is increasingly...
title: A Radiologists’ Guide to the MSK Lingo
Creators: name: Ooi, Michelle
Publisher: name: European Society of Muscoskeletal Radiology
Year: 2019
Subjects: subject: Contrast agent-other
subject: MR
subject: Musculoskeletal joint
subject: Education and training

description: Learning objectives Background Imaging findings OR Procedure Details Conclusion References Personal Information
description: Learning objectives: 1. To create awareness and understanding amongst radiolgists of various orthopaedic examinations used to assess integrity of structures within a joint. 2. To correlate positive tests with imaging findings, highlighting the particular structures...
First-principles predictions of Hall and drift mobilities in semiconductors
Creators: name: Ponce, Samuel
name: Macheda, Francesco
name: Margine, Elena Roxana
name: Marzari, Nicola
name: Bonini, Nicola
name: Giustino, Feliciano
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Significant progress on parameter-free calculations of carrier mobilities in real materials has been made during the past decade; however, the role of various approximations remains unclear and a unified methodology is lacking. Here, we present and analyse a comprehensive and efficient approach to compute the intrinsic, phonon-limited drift and Hall carrier mobilities of semiconductors, within the framework of the first-principles Boltzmann transport equation. The methodology exploits a novel approach for estimating quadrupole tensors and including them in the electron-phonon interactions, and capitalises on a rigorous and efficient procedure for numerical convergence. The accuracy reached in this work allows to assess common approximations, including the role of exchange and correlation functionals, spin-orbit coupling, pseudopotentials, Wannier interpolation, Brillouin-zone sampling, dipole and quadrupole corrections, and the relaxation-time approximation. A detailed analysis is showcased on ten prototypical semiconductors, namely diamond, silicon, GaAs, 3C-SiC, AlP, GaP, c-BN, AlAs, AlSb, and SrO. By comparing this extensive dataset with available experimental data, we explore the intrinsic nature of phonon-limited carrier transport and magnetotransport phenomena in these compounds. We find that the most accurate calculations predict Hall mobilities up to a factor of two larger than experimental data; this could point to promising experimental improvements in the samples quality, or to the limitations of density-function theory in predicting the carrier effective masses and overscreening the electron-phonon matrix elements. By setting tight standards for reliability and reproducibility, the present work aims to facilitate validation and verification of data and software towards predictive calculations of transport phenomena in semiconductors.
description: 40 pages and 26 figures
Analytical Approach to the Local Contact Potential Difference on (001) Ionic Surfaces: Implications for Kelvin Probe Force Microscopy
Creators: name: Bocquet, Franck
name: Nony, Laurent
name: Loppacher, Christian
name: Glatzel, Thilo
Publisher: name: arXiv
Year: 2008
Subjects: subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: An analytical model of the electrostatic force between the tip of a non-contact Atomic Force Microscope (nc-AFM) and the (001) surface of an ionic crystal is reported. The model is able to account for the atomic contrast of the local contact potential difference (CPD) observed while nc-AFM-based Kelvin Probe Force Microscopy (KPFM) experiments. With the goal in mind to put in evidence this short-range electrostatic force, the Madelung potential arising at the surface of the ionic crystal is primarily derived. The expression of the force which is deduced can be split into two major contributions: the first stands for the coupling between the microscopic structure of the tip apex and the capacitor formed between the tip, the ionic crystal and the counter-electrode; the second term depicts the influence of the Madelung surface potential on the mesoscopic part of the tip, independently from its microscopic structure. These short-range electrostatic forces are in the range of ten pico-Newtons. When explicitly considering the crystal polarization, an analytical expression of the bias voltage to be applied on the tip to compensate for the local CPD, i.e. to cancel the short-range electrostatic force, is derived. The compensated CPD has the lateral periodicity of the Madelung surface potential. However, the strong dependence on the tip geometry, the applied modulation voltage as well as the tip-sample distance, which can even lead to an overestimation of the real surface potential, makes quantitative KPFM measurements of the local CPD extremely difficult.
title: Soft tissue calcifications: A common finding on imaging studies.
Creators: name: Melaki, Kalliopi
Publisher: name: European Society of Muscoskeletal Radiology
Year: 2019
Subjects: subject: Musculoskeletal soft tissue
subject: Musculoskeletal system
subject: Vascular
subject: CT
subject: Conventional radiography
subject: MR
subject: Education
subject: Calcifications / Calculi

description: Learning objectives Background Imaging findings OR Procedure Details Conclusion References Personal Information
description: Learning objectives: 1. To classify the soft tissue calcifications and review the possible underlying causes 2. To distinguise the term extrasceletal calcification and heterotopic ossification 3. To present the imaging features of soft tissue...
Network-Coded Cooperative LoRa Network with D2D Communication
Creators: name: Alves, L. H. O.
name: Rebelatto, J. L.
name: Souza, R. D.
name: Brante, G.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: We evaluate the outage probability and the energy efficiency (EE) of a LoRa network when the end-devices (EDs) are capable of exchanging messages with a device-to-device (D2D) technology. Our proposal is to assess the performance of the network when operating under the concept of network-coded cooperation (NCC), where the EDs are capable of transmitting linear combinations of more than one frame (including frames of another ED), performed over a non-binary finite field. We consider both connection and collision probabilities when modelling the outage probability of an ED, as well as a realistic power consumption model to evaluate the EE. Our results indicate that the proposed scheme, which we refer to as NCC-LoRa, provides considerable gains in terms of both outage probability and EE when compared to a regular LoRa network, even when considering the additional consumption of D2D communication.
description: 11 pages, 7 figures, published on the IEEE Internet of Things Journal
Urban land policy and the provision of housing in Canada, 1900-1985
Creators: name: Gordon, Michael Lynn Harvey
Publisher: name: University of British Columbia
Year: 2010

description: This thesis investigates one of the major factors in the supply and cost of housing, land. The hypothesis of this thesis is that a principal reason why Canada continues to have a housing problem is that government housing policy has treated land as a market commodity much like any other and has rarely examined, let alone challenged, the ramifications of this assumption in terms of its impact on the supply, quality and price of housing. The examination of the land component of urban housing is pursued by exploring the following research questions: How have Canadian government officials, politicians and reformers defined the urban land problem as it relates to housing and what land policies have been considered and implemented in relation to housing problems? The public, professional and academic discussion of these questions is pursued by a review of the professional and academic literature, municipal plans, technical reports and government studies and the debates on housing and urban land policy in the federal parliament. The thesis is divided into two parts. First, the philosophy of private landownership and the basic thrust of public land policy is examined. Most attention is given to the nature of property rights and their protection and enforcement by government as it is the most fundamental land policy. Also, the nature of urbanization and the intervention of government in urban development and housing since 1900 is reviewed. Second, an historical overview of land policy and the provision of housing is provided. This discussion is divided into four historical periods: 1900-1929, 1930-1939, 1940-1969, 1970-1985. The constraints on and opportunities for urban land policy are examined and the nature of land policy in each period is discussed. There have been, in general, five categories of land policies adopted since 1900: land use zoning, subdivision regulation, public infrastructure and servicing programmes, public land assembly programmes and unearned increment taxes. These policies have emphasized the treatment of land as a privately held market commodity. There is a conflict between the desires of private land owners to maximize the return on their land and the need of the broader community to obtain land for housing at prices which make affordable and physically adequate housing feasible. This conflict is at the crux of the urban land problem.
Dynamical model of $ϕ$ meson photoproduction on the nucleon and $^4He$
Creators: name: Kim, Sang-Ho
name: Lee, T. -S. H.
name: Nam, Seung-il
name: Oh, Yongseok
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We investigate $ϕ$ meson photoproduction on the nucleon and the \nuclide[4]{He} targets within a dynamical model approach based on a Hamiltonian which describes the production mechanisms by the Pomeron-exchange, meson-exchanges, $ϕ$ radiations, and nucleon resonance excitations mechanisms. The final $ϕN$ interactions are included being described by the gluon-exchange, direct $ϕN$ couplings, and the box-diagrams arising from the couplings with $πN$, $ρN$, $KΛ$, and $KΣ$ channels. The parameters of the Hamiltonian are determined by the experimental data of $γp \to ϕp$ from the CLAS Collaboration. The resulting Hamiltonian is then used to predict the coherent $ϕ$-meson production on the \nuclide[4]{He} targets by using the distorted-wave impulse approximation. For the proton target, the final $ϕN$ rescattering effects, as required by the unitarity condition, are found to be very weak, which supports the earlier calculations in the literature. For the \nuclide[4]{He} targets, the predicted differential cross sections are in good agreement with the data obtained by the LEPS Collaboration. The role of each mechanism in this reaction is discussed and predictions for a wide range of scattering angles are presented, which can be tested in future experiments.
description: 16 pages, REVTeX
Hadronic loop contributions to $J/ψ$ and $ψ^\prime$ radiative decays into $γη_c$ or $γη_c^\prime$
Creators: name: Li, Gang
name: Zhao, Qiang
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Intermediate hadronic meson loop contributions to $J/ψ$, $ψ^\prime \to γη_c$ ($γη_c^\prime$) are studied apart from the dominant M1 transitions in an effective Lagrangian approach. Due to the property of the unique antisymmetric tensor coupling in $V\to VP$, the hadronic loop transitions provide explicit corrections to the M1 transition amplitudes derived from the naive "quenched" $c\bar{c}$ transitions via the coupling form factors. This mechanism interfering with the M1 transition amplitudes naturally accounts for the deviations from the Godfrey-Isgur model predictions in $J/ψ$ and $ψ^\prime\to γη_c$. It also predicts a small branching ratio of $ψ^\prime\to γη_c^\prime$, which can be examined by experimental measurements at BES and CLEO-c.
description: 10 pages, 2 eps figures, revtex4; version to appear on Phys. Lett. B
Modelling of LIDAR sensor disturbances by solid airborne particles
Creators: name: Hadj-Bachir, Mokrane
name: de Souza, P
name: Nordqvist, P
name: Roy, N
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper aims to introduce a method for simulating with a real time performance the automotive LIDAR disturbance by dust clouds caused by natural phenomena, mechanical or man-made processes like a traveling vehicle. In this study, we are interested to study the interaction of an automotive LIDAR sensor with a dust cloud composed of solid particles. The main objective of this study is to provide a simulation model to industry and research laboratories that help to study LIDAR performance in a dust-sand environment with the capability to reproduce the encountered problems in degraded conditions and the ability to parameterize the degradation model. Based on industrial projects with a passenger's vehicles and truck manufacturers, we present LIDAR sensor and functionalities to perceive objects in a scene (pedestrian, car, truck, ...) in clear or extreme weather conditions. Simulated and experimental data are compared and analyzed in this article. The features presented are evaluated according to their quality for object detection. This study can be applied to sensors post-processing algorithms (object recognition, tracking, data fusion...) and even to the design of cleaning systems.
Chiral fermions in a spacetime with multiple warping
Creators: name: Koley, Ratna
name: Mitra, Joydip
name: SenGupta, Soumitra
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In a six dimensional brane world model with multiple $S_1/Z_2$ warping, two of the 4-branes at the boundaries have coordinate dependent brane tensions in order to implement the orbifolded boundary conditions consistently. Such brane tension is shown to be equivalent to a scalar field distribution on the brane [1]. We show that in such a scenario a masslesss left chiral fermion on the 4-brane localizes naturally on the standard model 3-brane located at one edge of the compact manifold while the massless right chiral fermion wave function as well as the wave functions for the massive fermion modes peak away from this brane. This offers a mechanism of obtaining massless chiral fermion with only one of its chiral component present in our brane.
description: 13 pages, 6 figures, Revtex 4, matches with published version
Non-Abelian magnetic monopole in a Bose-Einstein condensate
Creators: name: Pietilä, Ville
name: Möttönen, Mikko
Publisher: name: arXiv
Year: 2008
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Recently, an effective non-Abelian magnetic field with a topology of a monopole was shown to emerge from the adiabatic motion of multilevel atoms in spatially varying laser fields [J. Ruseckas et al., Phys. Rev. Lett. 95, 010404 (2005)]. We study this monopole in a Bose-Einstein condensate (BEC) of degenerate dressed states and find that the topological charge of the pseudospin cancels the monopole charge resulting in a vanishing gauge invariant charge. As a function of the laser wavelength, different stationary states are classified in terms of their effect to the monopole part of the magnetic field and a cross-over to vortex ground state is observed.
description: 5 pages, 1 color figure; v2 modified according to referees' suggestions, some typos corrected; v3 minor modifications, published version
D1.3 Software Quality and Architecture Plan
Creators: name: Rodríguez Doncel, Víctor
name: Ahmed, Khalili
name: Cimiano, Philipp
name: McCrae, John P.
name: Pia di Buono, Maria
Publisher: name: Zenodo
Year: 2020

description: Software Quality and Architecture Plan for Prêt-à-LLOD project
Chemical evidence for planetary ingestion in a quarter of Sun-like stars
Creators: name: Spina, Lorenzo
name: Sharma, Parth
name: Meléndez, Jorge
name: Bedell, Megan
name: Casey, Andrew R.
name: Carlos, Marília
name: Franciosini, Elena
name: Vallenari, Antonella
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences
subject: 85-02

description: Stellar members of binary systems are formed from the same material, therefore they should be chemically identical. However, recent high-precision studies have unveiled chemical differences between the two members of binary pairs composed by Sun-like stars. The very existence of these chemically inhomogeneous binaries represents one of the most contradictory examples in stellar astrophysics and source of tension between theory and observations. It is still unclear whether the abundance variations are the result of chemical inhomogeneities in the protostellar gas clouds or instead if they are due to planet engulfment events occurred after the stellar formation. While the former scenario would undermine the belief that the chemical makeup of a star provides the fossil information of the environment where it formed, a key assumption made by several studies of our Galaxy, the second scenario would shed light on the possible evolutionary paths of planetary systems. Here, we perform a statistical study on 107 binary systems composed by Sun-like stars to provide - for the first time - unambiguous evidence in favour of the planet engulfment scenario. We also establish that planet engulfment events occur in stars similar to our own Sun with a probability ranging between 20 and 35$\%$. This implies that a significant fraction of planetary systems undergo very dynamical evolutionary paths that can critically modify their architectures, unlike our Solar System which has preserved its planets on nearly circular orbits. This study also opens to the possibility of using chemical abundances of stars to identify which ones are the most likely to host analogues of the calm Solar System.
description: This is an authors' version of the manuscript prior to formal peer review at Nature Astronomy