cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Maßstabsspezifische Prognose des Gehalts an organischem Kohlenstoff im Oberboden anhand von Reliefattributen und Bodenreflexionskompositen
Creators: name: Möller, Markus
Publisher: name: Zenodo
Year: 2024
Subjects: digital soil mapping
bare soil composites
terrain attributes

description: Presentation at the annual conference of the German Soil Science Society on September 4, 2023
Mott glass in site-diluted S=1 antiferromagnets with single-ion anisotropy
Creators: name: Roscilde, Tommaso
name: Haas, Stephan
Publisher: name: arXiv
Year: 2006
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: The interplay between site dilution and quantum fluctuations in S=1 Heisenberg antiferromagnets on the square lattice is investigated using quantum Monte Carlo simulations. Quantum fluctuations are tuned by a single-ion anisotropy D. In the clean limit, a sufficiently large D>D_c = 5.65(2) J forces each spin into its m_S=0 state, and thus destabilizes antiferromagnetic order. In the presence of site dilution, quantum fluctuations are found to destroy Néel order before the percolation threshold of the lattice is reached, if D exceeds a critical value D^* = 2.3(2) J. This mechanism opens up an extended quantum-disordered Mott glass phase on the percolated lattice, characterized by a gapless spectrum and vanishing uniform susceptibility.
description: 4 pages, 3 figures
Superconductivity and Fermi Surface Nesting in the Candidate Dirac Semimetal NbC
Creators: name: Yan, Dayu
name: Geng, Daiyu
name: Gao, Qiang
name: Cui, Zhihai
name: Yi, Changjiang
name: Feng, Ya
name: Song, Chunyao
name: Luo, Hailan
name: Yang, Meng
name: Arita, Masashi
name: Kumar, Shiv
name: Schwier, Eike F.
name: Shimada, Kenya
name: Zhao, Lin
name: Wu, Kehui
name: Weng, Hongmini
name: Chen, Lan
name: Zhou, X. J.
name: Wang, Zhijun
name: Shi, Youguo
name: Feng, Baojie
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report the synthesis of single-crystal NbC, a transition metal carbide with various unusual properties. Transport, magnetic susceptibility, and specific heat measurements demonstrate that NbC is a conventional superconductor with a superconducting transition temperature ($T_c$) of 11.5 K. Our theoretical calculations show that NbC is a type-II Dirac semimetal with strong Fermi surface nesting, which is supported by our ARPES measurement results. We also observed the superconducting gaps of NbC using angle-resolved photoemission spectroscopy (ARPES) and found some unconventional behaviors. These intriguing superconducting and topological properties, combined with the high corrosion resistance, make NbC an ideal platform for both fundamental research and device applications.
description: to appear in Physical Review B
Microphotina viridescens
Creators: name: Lanna, Leonardo Moutinho
name: Fiat, Lucas Linhares
name: Herculano, João Felipe
name: Rivera, Julio
name: Peloso, Pedro
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Mantodea
Photinaidae
Microphotina
Microphotina viridescens

description: Microphotina viridescens (Chopard, 1912)
– Originally described under Photina Burmeister, 1838. Type locality in French Guiana, with additional records from that country in François & Roy (2015). It is sympatric to M. vitripennis in the northern part of the country.
description: Published as part of Lanna, Leonardo Moutinho, Fiat, Lucas Linhares, Herculano, João Felipe, Rivera, Julio & Peloso, Pedro, 2023, A new species of Microphotina Beier, 1935 from the southernmost region of Amazonia (Mantodea: Photinaidae), pp. 87-106 in European Journal of Taxonomy 870 on page 99, DOI: 10.5852/ejt.2023.870.2121, http://zenodo.org/record/7957221
On the q-Analogue of Gamma Functions and Related Inequalities
Creators: name: Kim, Taekyun
name: Adiga, C.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 33B15

description: In this, paper we obtain a q-analogue of a double inequality involving the Euler gamma function which was first proved geometrically by Alsina and Tomas and then analytically by Sandor
description: 5 pages
Moltmann, Jürgen (Hrsg.), Friedenstheologie - Befreiungstheologie
Creators: name: Vo
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 37 Nr. 4 (1988): Ökumenische Rundschau, Band 37, Heft 4
Connecting amidst chaos : a teacher’s first year
Creators: name: Andersen, Andrea S.
Publisher: name: University of British Columbia
Year: 2009

description: Representing the experiences of a first year teacher has been a focus for many other academic studies in the field of education. Using the novel as an alternative form of representation of research in this area is new. Connecting Amidst Chaos: A Teacher's First Year is a novel based on experiences of first year teachers. In the prologue, a discussion o f the novel as academic writing occurs. The reflections allow the author to address the themes present in the work, as well as the restrictions the format placed on the writing of the thesis. Lives are made up of stories and this thesis is a look into the life of a first year teacher. Emma's story illustrates the complex nature of the profession and the many connection which must be made in order to be successful in the field. A combination o f theory, teaching practices, and professional dialogue targets an audience which may include pre-service teachers, practicing teachers and university professors. The stories, characters and relationships which are developed may broaden that audience base. This is a teaching novel. It was written with the purpose of providing a pre-service teacher with an introduction to the profession. This thesis will acquaint students with a basic foundation of educational terminology, an overview of important authors in the field, as well as a look at the experiences which they may encounter during their first year of teaching.
Appliquer les grands principes de l’escape game à un « never event » : pourquoi ? comment ? Exemple du chlorure de potassium injectable
Creators: name: Garnier, Alexandra
name: D’Acremont, Fanny
name: Collomp, Rémy
name: Bonnabry, Pascal
Publisher: name: Health & Co
Year: 2023
Subjects: Action de formation
Simulation
Erreur de dosage
Retour d’expérience

description: Contexte. Un atelier de formation portant sur l’utilisation d’un escape game pédagogique (EGP) sur la gestion du chlorure de potassium (KCl) a été créé avec deux objectifs : présenter le concept d’un EGP pour sensibiliser les professionnels de santé à une problématique médicamenteuse, et améliorer leurs connaissances sur la gestion du KCl injectable. Méthode. L’EGP traitait les six étapes de gestion du KCl (prescription, validation pharmaceutique, logistique pharmaceutique, stockage dans l’unité, administration-étiquetage, assurance qualité), chacune étant représentée par une boîte fermée par un cadenas. Chaque équipe de sept personnes devait résoudre une énigme en rapport avec le KCl par boîte pour y récupérer l’objet fourni (solvant, faux flacon de KCl, étiquette, seringue, aiguille, prescription) puis préparer une fausse poche de KCl. Les participants répondaient à un questionnaire de connaissances avant/après, et à un questionnaire de satisfaction (respectivement en 14 et 5 points). La simulation était suivie d’un débriefing sur les questions du jeu et le concept d’EGP. Résultats. Les participants (n=63) ont apprécié le temps d’échange pendant l’atelier, souligné l’excellente gestion du groupe, l’aspect ludique du jeu, le potentiel de transposition dans les unités, l’inspiration apportée pour créer d’autres EGP, et la faculté d’être immergés malgré le manque de réalisme de l’environnement. La moyenne des connaissances a augmenté de 76,4% (écart-type 12,0%) à 88,3% (écart-type 11,5%) (p0,001). Le taux de satisfaction était de 98%. Conclusion. Les objectifs de l’atelier (concepts de création d’un EGP et connaissances en gestion du KCl) ont été atteints. Les participants ont été satisfaits de cette méthodologie d’apprentissage qui pourrait être introduite dans tout service de soin.
Radiative $\bm{α^7m}$ QED contribution to the helium Lamb shift
Creators: name: Patkóš, Vojtěch
name: Yerokhin, Vladimir A.
name: Pachucki, Krzysztof
Publisher: name: arXiv
Year: 2020
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a derivation of the last unknown part of the $α^7m$ contribution to the Lamb shift of a two-electron atom, induced by the radiative QED effects beyond the Bethe logarithm. This derivation is performed in the framework of nonrelativistic quantum electrodynamics and is valid for the triplet (spin $S = 1$) atomic states. The obtained formulas are free from any divergences and are suitable for a numerical evaluation. This opens a way for a complete numerical calculation of the $α^7m$ QED effects in helium, which will allow an accurate determination of the nuclear charge radius from measurements of helium transition frequencies.
description: 28 pages, corrected numerous misprints
Towards quantum-based privacy and voting
Creators: name: Hillery, Mark
name: Ziman, Mario
name: Buzek, Vladimir
name: Bielikova, Martina
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The privacy of communicating participants is often of paramount importance, but in some situations it is an essential condition. A typical example is a fair (secret) voting. We analyze in detail communication privacy based on quantum resources, and we propose new quantum protocols. Possible generalizations that would lead to voting schemes are discussed.
description: 5 pages, improved description of the protocol
Chiral topological superconducting state with Chern number $\mathcal{C} =-2$ in Pb$_3$Bi/Ge(111)
Creators: name: Sun, Shuwen
name: Qin, Wei
name: Li, Leiqiang
name: Zhang, Zhenyu
Publisher: name: arXiv
Year: 2020
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Materials realization of chiral topological superconductivity is a crucial condition for observing and manipulating Majorana fermions in condensed matter physics. Here we develop a tight-binding description of Pb$_3$Bi/Ge(111), identified recently as an appealing candidate system for realizing chiral $p$-wave topological superconductivity [Nat. Phys. 15, 796 (2019)]. We first show that our phenomenological model can capture the two main features of the electronic band structures obtained from first-principles calculations, namely, the giant Rashba splitting and type-II van Hove singularity. Next, when the $s$-wave superconducting property of the parent Pb system is explicitly considered, we find the alloyed system can be tuned into a chiral topological superconductor with Chern number $\mathcal{C} = -2$, resulting from the synergistic effect of a sufficiently strong Zeeman field and the inherently large Rashba spin-orbit coupling. The nontrivial topology with $\mathcal{C} = -2$ is further shown to be detectable as two chiral Majorana edge modes propagating along the same direction of the system with proper boundaries. We finally discuss the physically realistic conditions to establish the predicted topological superconductivity and observe the corresponding Majorana edge modes, including the influence of the superconducting gap, Landé $g$-factor, and critical magnetic field. The present study provides useful guides in searching for effective $p$-wave superconductivity and Majorana fermions in two-dimensional or related interfacial systems.
description: 8 pages, 3 figures, 1table
On the existence and structure of a mush at the inner core boundary of the Earth
Creators: name: Deguen, Renaud
name: Alboussière, Thierry
name: Brito, Daniel
Publisher: name: arXiv
Year: 2008
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: It has been suggested about 20 years ago that the liquid close to the inner core boundary (ICB) is supercooled and that a sizable mushy layer has developed during the growth of the inner core. The morphological instability of the liquid-solid interface which usually results in the formation of a mushy zone has been intensively studied in metallurgy, but the freezing of the inner core occurs in very unusual conditions: the growth rate is very small, and the pressure gradient has a key role, the newly formed solid being hotter than the adjacent liquid. We investigate the linear stability of a solidification front under such conditions, pointing out the destabilizing role of the thermal and solutal fields, and the stabilizing role of the pressure gradient. The main consequence of the very small solidification rate is the importance of advective transport of solute in liquid, which tends to remove light solute from the vicinity of the ICB and to suppress supercooling, thus acting against the destabilization of the solidification front. For plausible phase diagrams of the core mixture, we nevertheless found that the ICB is likely to be morphologically unstable, and that a mushy zone might have developed at the ICB. The thermodynamic thickness of the resulting mushy zone can be significant, from $\sim100$ km to the entire inner core radius, depending on the phase diagram of the core mixture. However, such a thick mushy zone is predicted to collapse under its own weight, on a much smaller length scale ($\lesssim 1$ km). We estimate that the interdendritic spacing is probably smaller than a few tens of meter, and possibly only a few meters.
Large Sieve Inequalities for Special Characters to Prime Square Moduli
Creators: name: Zhao, Liangyi
Publisher: name: arXiv
Year: 2005
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11B57, 11L07, 11L40, 11N35

description: In this paper, we develop a large sieve type inequality for some special characters whose moduli are squares of primes. Our result gives non-trivial estimate in certain ranges.
description: six pages
Diseño y evaluación de un programa para el aprendizaje del idioma inglés en escuelas rurales de Colombia, mediante la integración de las TICs: Estudio de caso
Creators: name: Abaunza, Geovanny Alexander
Publisher: name: Zenodo
Year: 2015
Subjects: Duolingo, eLearning, ITC, Colombia

description: La metodología mLearning mediante la aplicación Duolingo permite mejorar el proceso de aprendizajeenseñanza del idioma inglés en los estudiantes de secundaria (11 a 13 años) en instituciones educativas rurales vulnerables de Colombia para alcanzar los estándares intencionales Marco Común Europeo de Referencia (MCER) en comparación con la metodología educacional tradicional sin apoyo de las TIC
[Hockett Potawatomi field notebook III]
Creators: name: Spear, Jim
name: Hockett, Charles
name: Buszard-Welcher, Laura
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: pot

description: 1 PDF file. On cover: "III Jim Spear"; texts, largely untranslated.
The Perception of the Vertical Dimension (3D) through the Lens of Different Stakeholders in the Property Market of China
Creators: name: Ying, Yue
name: Koeva, Mila
name: Kuffer, Monika
name: Asiama, Kwabena Obeng
name: Li, Xia
name: Zevenbergen, Jaap
Publisher: name: Basel : MDPI
Year: 2022
Subjects: subject: 3D
subject: Built environment
subject: High-rise building
subject: Property market
subject: Urban morphology
subject: Dewey Decimal Classification::600 | Technik::630 | Landwirtschaft, Veterinärmedizin

description: China has experienced fast urbanization with a growing urban population, which has inevitably led to the adoption of a vertical housing style with high-rise buildings. However, how people subjectively perceive the vertical dimension (3D) in the property market is neither adequately documented nor well understood. The 3D perception helps us to understand a myriad of social and psychological effects of living in high-rise buildings. We organized and conducted semi-structured expert interviews, focus groups, and the circulation and compilation of questionnaires in Xi’an, China, to investigate how different stakeholders in the property market perceive 3D. The results show that: (1) real estate developers do not adjust property prices for specific 3D factors, and the local government does not consider 3D in housing policies; (2) the current status of 3D modeling in Xi’an is still in the embryonic state; (3) 3D factors are highly valued by buyers but not well-understood by real estate developers and local government. In addition, 3D factors score higher than horizontal (2D) factors (1.12 to 0.88). Gender and age groups do not influence housing preferences concerning 2D and 3D factors. These findings provide valuable insights for real estate developers concerning pricing policies and the local government concerning housing policies. In the future, 3D perceptions and factors should be prioritized in order to improve urban infrastructure and ensure the increased availability of, and fair public access to welfare related to 3D in urban areas.
Mode-coupling theory predictions for a limited valency attractive square-well model
Creators: name: Zaccarelli, E.
name: Saika-Voivod, I.
name: Moreno, A. J.
name: La Nave, E.
name: Buldyrev, S. V.
name: Sciortino, F.
name: Tartaglia, P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Recently we have studied, using numerical simulations, a limited valency model, i.e. an attractive square well model with a constraint on the maximum number of bonded neighbors. Studying a large region of temperatures $T$ and packing fractions $ϕ$, we have estimated the location of the liquid-gas phase separation spinodal and the loci of dynamic arrest, where the system is trapped in a disordered non-ergodic state. Two distinct arrest lines for the system are present in the system: a {\it (repulsive) glass} line at high packing fraction, and a {\it gel} line at low $ϕ$ and $T$. The former is essentially vertical ($ϕ$-controlled), while the latter is rather horizontal ($T$-controlled) in the $(ϕ-T)$ plane. We here complement the molecular dynamics results with mode coupling theory calculations, using the numerical structure factors as input. We find that the theory predicts a repulsive glass line -- in satisfactory agreement with the simulation results -- and an attractive glass line which appears to be unrelated to the gel line.
description: 12 pages, 6 figures. To appear in J. Phys. Condens. Matter, special issue: "Topics in Application of Scattering Methods for Investigation of Structure and Dynamics of Soft Condensed Matter", Fiesole, November 2005
Influence of Moisture Content and Wet Environment on the Fatigue Behaviour of High-Strength Concrete
Creators: name: Abubakar Ali, Mohamed
name: Tomann, Christoph
name: Aldakheel, Fadi
name: Mahlbacher, Markus
name: Noii, Nima
name: Oneschkow, Nadja
name: Drake, Karl-Heinz
name: Lohaus, Ludger
name: Wriggers, Peter
name: Haist, Michael
Publisher: name: Basel : MDPI
Year: 2022
Subjects: subject: Acoustic emissions analysis
subject: Fatigue deterioration
subject: High-strength concrete
subject: Microscopic material model
subject: Moisture content
subject: Phase-field approach
subject: Porous media theory
subject: Water-induced degradation mechanisms
subject: Dewey Decimal Classification::600 | Technik

description: The influence of a wet environment on the fatigue behaviour of high-strength concrete has become more important in recent years with the expansion of offshore wind energy systems. According to the few investigations documented in the literature, the fatigue resistance of specimens submerged in water is significantly lower compared to that of specimens in dry conditions. However, it is still not clear how the wet environment and the moisture content in concrete influence its fatigue behaviour and which damage mechanisms are involved in the deterioration process. Here the results of a joint project are reported, in which the impact of moisture content in concrete on fatigue deterioration are investigated experimentally and numerically. Aside from the number of cycles to failure, the development of stiffness and acoustic emission (AE) hits are analysed as damage inductors and discussed along with results of microstructural investigations to provide insights into the degradation mechanisms. Subsequently, an efficient numeric modelling approach to water-induced fatigue damage is presented. The results of the fatigue tests show an accelerated degradation behaviour with increasing moisture content of the concrete. Further, it was found that the AE hits of specimens submerged in water occur exclusively close to the minimum stress level in contrast to specimens subjected to dry conditions, which means that additional damage mechanisms are acting with increasing moisture content in the concrete.
Clustering and Prediction With Variable Dimension Covariates
Creators: name: Page, Garritt L.
name: Quintana, Fernando A.
name: Müller, Peter
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: Science Policy

description: In many applied fields incomplete covariate vectors are commonly encountered. It is well known that this can be problematic when making inference on model parameters, but its impact on prediction performance is less understood. We develop a method based on covariate dependent random partition models that seamlessly handles missing covariates while completely avoiding any type of imputation. The method we develop allows in-sample as well as out-of-sample predictions, even if the missing pattern in the new subjects’ incomplete covariate vector was not seen in the training data. Any data type, including categorical or continuous covariates are permitted. In simulation studies, the proposed method compares favorably. We illustrate the method in two application examples. Supplementary materials for this article are available here.
Prospects for detecting gravitational waves from eccentric subsolar mass compact binaries
Creators: name: Wang, Yi-Fan
name: Nitz, Alexander H.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Due to their small mass, subsolar mass black hole binaries would have to be primordial in origin instead of the result of stellar evolution. Soon after formation in the early universe, primordial black holes can form binaries after decoupling from the cosmic expansion. Alternatively, primordial black holes as dark matter could also form binaries in the late universe due to dynamical encounters and gravitational-wave braking. A significant feature for this channel is the possibility that some sources retain nonzero eccentricity in the LIGO/Virgo band. Assuming all dark matter is primordial black holes with a delta function mass distribution, $1M_\odot-1M_\odot$ binaries formed in this late-universe channel can be detected by Advanced LIGO and Virgo with their design sensitivities at a rate of $\mathcal{O}(1)$/year, where $12\%(3\%)$ of events have eccentricity at a gravitational-wave frequency of 10 Hz, $e^\mathrm{10Hz}\geq0.01(0.1)$, and nondetection can constrain the binary formation rate within this model. Third generation detectors would be expected to detect subsolar mass eccentric binaries as light as $0.01 M_\odot$ within this channel, if they accounted for the majority of the dark matter. Furthermore, we use simulated gravitational-wave data to study the ability to search for eccentric gravitational-wave signals using a quasi-circular waveform template bank with Advanced LIGO design sensitivity. For a match-filtering targeted search, assuming binaries with a delta function mass of $0.1(1)M_\odot$ and the eccentricity distribution derived from this late-universe formation channel, $41\%(6\%)$ of the signals would be missed compared to the ideal detection rate due to the mismatch in the gravitational-wave signal from eccentricity.
description: 10 pages, 7 figures. Published version on the Astrophysical Journal. Code and data associated with this article at https://github.com/gwastro/prospects-subsolarmass-ecc
Solms, Friedhelm / Reuver, Marc, Welchen Frieden wollen die Kirchen?
Creators: name: Vo
Publisher: name: Ökumenische Rundschau
Year: 2025

description: Ökumenische Rundschau, Bd. 37 Nr. 4 (1988): Ökumenische Rundschau, Band 37, Heft 4
Initial Characterization of Active Transitioning Centaur, P/2019 LD2 (ATLAS), using Hubble, Spitzer, ZTF, Keck, APO and GROWTH Visible & Infrared Imaging and Spectroscopy
Creators: name: Bolin, Bryce T.
name: Fernandez, Yanga R.
name: Lisse, Carey M.
name: Holt, Timothy R.
name: Lin, Zhong-Yi
name: Purdum, Josiah N.
name: Deshmukh, Kunal P.
name: Bauer, James M.
name: Bellm, Eric C.
name: Bodewits, Dennis
name: Burdge, Kevin B.
name: Carey, Sean J.
name: Copperwheat, Chris M.
name: Helou, George
name: Ho, Anna Y. Q.
name: Horner, Jonathan
name: van Roestel, Jan
name: Bhalerao, Varun
name: Chang, Chan-Kao
name: Chen, Christine
name: Hsu, Chen-Yen
name: Ip, Wing-Huen
name: Kasliwal, Mansi M.
name: Masci, Frank J.
name: Ngeow, Chow-Choong
name: Quimby, Robert
name: Burruss, Rick
name: Coughlin, Michael
name: Dekany, Richard
name: Delacroix, Alexandre
name: Drake, Andrew
name: Duev, Dmitry A.
name: Graham, Matthew
name: Hale, David
name: Kupfer, Thomas
name: Laher, Russ R.
name: Mahabal, Ashish
name: Mróz, Przemyslaw J.
name: Neill, James D.
name: Riddle, Reed
name: Rodriguez, Hector
name: Smith, Roger M.
name: Soumagnac, Maayane T.
name: Walters, Richard
name: Yan, Lin
name: Zolkower, Jeffry
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We present visible and mid-infrared imagery and photometry of temporary Jovian co-orbital comet P/2019 LD$_2$ taken with HST/WFC3, Spitzer/IRAC, the GROWTH telescope network, visible spectroscopy from Keck/LRIS and archival ZTF observations taken between 2019 April and 2020 August. Our observations indicate that the nucleus of LD$_2$ has a radius between 0.2-1.8 km assuming a 0.08 albedo and a coma dominated by $\sim$100$μ$ m-scale dust ejected at $\sim$1 m/s speeds with a $\sim$1'' jet pointing in the SW direction. LD$_2$ experienced a total dust mass loss of $\sim$10$^8$ kg at a loss rate of $\sim$6 kg/s with Af$ρ$/cross-section varying between $\sim$85 cm/125 km$^2$ and $\sim$200 cm/310 km$^2$ from 2019 April 9 to 2019 Nov 8. If the increase in Af$ρ$/cross-section remained constant, it implies LD$_2$'s activity began $\sim$2018 November when within 4.8 au of the Sun, implying the onset of H$_2$O sublimation. We measure CO/CO$_2$ gas production of $\lesssim$10$^{27}$ mol/s /$\lesssim$10$^{26}$ mol/s from our 4.5 $μ$m Spitzer observations, $g$-$r$ = 0.59$\pm$0.03, $r$-$i$ = 0.18$\pm$0.05, $i$-$z$ = 0.01$\pm$0.07 from GROWTH observations, H$_2$O gas production of $\lesssim$80 kg/s scaling from our estimated $C_2$ production of $Q_{C_2}\lesssim$7.5$\times10^{24}$ mol/s from Keck/LRIS spectroscopy. We determine that the long-term orbit of LD$_2$ is similar to Jupiter family comets having close encounters with Jupiter within $\sim$0.5 Hill radius in the last $\sim$3 y, within 0.8 Hill radius in $\sim$9 y. Additionally, 78.8$\%$ of our orbital clones are ejected from the Solar System within $1 \times 10^{6}$ years having a dynamical half-life of 3.4 $\times 10^5$ years.
description: 28 pages, 8 figures, 2 Tables, accepted for publication in AJ
Convergence analysis of a colocated finite volume scheme for the incompressible Navier-Stokes equations on general 2 or 3D meshes
Creators: name: Eymard, Robert
name: Herbin, Raphaele
name: Latché, Jean-Claude
Publisher: name: arXiv
Year: 2005
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 15A15, 15A09, 15A23

description: We study a colocated cell centered finite volume method for the approximation of the incompressible Navier-Stokes equations posed on a 2D or 3D finite domain. The discrete unknowns are the components of the velocity and the pressures, all of them colocated at the center of the cells of a unique mesh; hence the need for a stabilization technique, which we choose of the Brezzi-Pitkäranta type. The scheme features two essential properties: the discrete gradient is the transposed of the divergence terms and the discrete trilinear form associated to nonlinear advective terms vanishes on discrete divergence free velocity fields. As a consequence, the scheme is proved to be unconditionally stable and convergent for the Stokes problem, the steady and the transient Navier-Stokes equations. In this latter case, for a given sequence of approximate solutions computed on meshes the size of which tends to zero, we prove, up to a subsequence, the $L^2$-convergence of the components of the velocity, and, in the steady case, the weak $L^2$-convergence of the pressure. The proof relies on the study of space and time translates of approximate solutions, which allows the application of Kolmogorov's theorem. The limit of this subsequence is then shown to be a weak solution of the Navier-Stokes equations. Numerical examples are performed to obtain numerical convergence rates in both the linear and the nonlinear case.
description: submitted September 04
Assessment of mobility deficit and treatment efficacy in adhesive capsulitis by measurement of kinematic parameters using IMU sensors
Creators: name: Ajčević, Miloš
name: Deodato, Manuela
name: Murena, Luigi
name: Miladinović, Aleksandar
name: Mezzarobba, Susanna
name: Accardo, Agostino
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: There is a growing research interest towards the use of wireless IMU sensors to assess disability, monitor progress and provide feedback to patients on range of motion and movement performance during upper body rehabilitation. The quality of movement in patients with adhesive capsulitis and relative treatment efficacy has not yet been studied using inertial and magnetic sensors. The aim of this study was to investigate the possibility to quantitatively evaluate capsulate-related deficit versus healthy controls and to assess treatment efficacy by measurement of shoulder kinematic parameters with ISEO protocol using inertial and magnetic measurement system technology. We enrolled 6 patients with adhesive capsulitis (AC) who underwent the experimental assessment by using a set of wireless IMU sensors at the baseline (T0) and after the 15 one-hour individual sessions of physiotherapy (T1). The range of motion in elevation, abduction and the scapulohumeral rhythm kinematic parameters were extracted from measurements performed in enrolled AC patients and in 7 healthy controls. The results of this preliminary study showed that proposed approach based on measurement of shoulder kinematic parameters with ISEO protocol using IMU wireless sensors can be useful in mobility deficit assessment of patients with adhesive capsulitis, as well as for monitoring of treatment efficacy and its further personalization.
Clustering and Prediction with Variable Dimension Covariates
Creators: name: Page, Garritt L.
name: Quintana, Fernando Andrés
name: Müller, Peter
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Science Policy

description: In many applied fields incomplete covariate vectors are commonly encountered. It is well known that this can be problematic when making inference on model parameters, but its impact on prediction performance is less understood. We develop a method based on covariate dependent partition models that seamlessly handles missing covariates while completely avoiding any type of imputation. The method we develop allows in-sample as well as out-of-sample predictions, even if the missing pattern in the new subjects’ incomplete covariate vector was not seen in the training data. Any data type, including categorical or continuous covariates are permitted. In simulation studies the proposed method compares favorably. We illustrate the method in two application examples.
Determination of Interface Atomic Structure and Its Impact on Spin Transport Using Z-Contrast Microscopy and Density-Functional Theory
Creators: name: Zega, Thomas J.
name: Hanbicki, Aubrey T.
name: Erwin, Steven C.
name: Zutic, Igor
name: Kioseoglou, George
name: Li, Connie H.
name: Jonker, Berend T.
name: Stroud, Rhonda M.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We combine Z-contrast scanning transmission electron microscopy with density-functional-theory calculations to determine the atomic structure of the Fe/AlGaAs interface in spin-polarized light-emitting diodes. A 44% increase in spin-injection efficiency occurs after a low-temperature anneal, which produces an ordered, coherent interface consisting of a single atomic plane of alternating Fe and As atoms. First-principles transport calculations indicate that the increase in spin-injection efficiency is due to the abruptness and coherency of the annealed interface.
description: 16 pages (including cover), 4 figures
[Hockett Potawatomi field notebook I]
Creators: name: Spear, Alice
name: Spear, Jim
name: Hockett, Charles
name: Buszard-Welcher, Laura
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: pot

description: 1 PDF file. On cover: "I Jim Spear"; sentences and texts.
The in situ formation of molecular and warm ionised gas triggered by hot outflows
Creators: name: Girichidis, Philipp
name: Naab, Thorsten
name: Walch, Stefanie
name: Berlok, Thomas
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Molecular outflows contributing to the matter cycle of star forming galaxies are now observed in small and large systems at low and high redshift. Their physical origin is still unclear. In most theoretical studies only warm ionised/neutral and hot gas outflowing from the interstellar medium is generated by star formation. We investigate an in-situ H$_2$ formation scenario in the outflow using high-resolution simulations, including non-equilibrium chemistry and self-gravity, of turbulent, warm, and atomic clouds with densities 0.1, 0.5 and $1\,\mathrm{cm}^{-3}$ exposed to a magnetised hot wind. For cloud densities $\gtrsim 0.5\,\mathrm{cm}^{-3}$ a magnetised wind triggers H$_2$ formation before cloud dispersal. Up to 3 per cent of the initial cloud mass can become molecular on $\sim 10\,\mathrm{Myr}$ time scales. The effect is stronger for winds with perpendicular $B$-fields and intermediate density clouds ($n_\mathrm{c}\sim 0.5\,\mathrm{cm}^{-3}$). Here H$_2$ formation can be boosted by up to one order of magnitude compared to isolated cooling clouds independent of self-gravity. Self-gravity preserves the densest clouds way past their $\sim 15\,\mathrm{Myr}$ cloud crushing time scales. This model could provides a plausible in-situ origin for the observed molecular gas. Warm ionised gas is also generated, almost independent of the cloud density. The amount solely depend on the magnetic field configuration in the wind. For low density clouds ($0.1\,\mathrm{cm}^{-3}$), the forming warm ionised gas can be as much as 60 per cent of the initially atomic cloud mass. This could contribute to observations of outflows with ionised gas sensitive tracers.
description: 23 pages, MNRAS accepted
A Search for the Progenitors of Two Type-Ia Supernovae in NGC 1316
Creators: name: Maoz, Dan
name: Mannucci, Filippo
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Recent evidence of a young progenitor population for many Type-Ia SNe (SNe-Ia) raises the possibility that evolved intermediate-mass progenitor stars may be detected in pre-explosion images. NGC 1316, a radio galaxy in the Fornax cluster, is a prolific producer of SNe-Ia, with four detected since 1980. We analyze Hubble Space Telescope (HST) pre-explosion images of the sites of two of the SNe-Ia that exploded in this galaxy, SN2006dd (a normal Type-Ia) and SN2006mr (likely a subluminous, 1991bg-like, SN-Ia). Astrometric positions are obtained from optical and near-IR ground-based images of the events. We find no candidate point sources at either location, and set upper limits on the flux in B, V, and I from any such progenitors. We also estimate the amount of extinction that could be present, based on analysis of the surface-brightness inhomogeneities in the HST images themselves. At the distance of NGC 1316, the limits correspond to absolute magnitudes of about -5.5, -5.4, and -6.0 mag in M_B, M_V, and M_I, respectively. Comparison to stellar evolution models argues against the presence at the SN sites, 3 years prior to the explosion, of normal stars with initial masses > 6 M_sun at the tip of their asymptotic-giant branch (AGB) evolution, young post-AGB stars that had initial masses > 4 M_sun, and post-red-giant stars of initial masses > 9 M_sun.
description: MNRAS, in press
Ultrafast light-induced magnetization dynamics in ferromagnetic semiconductors
Creators: name: Chovan, J.
name: Kavousanaki, E. G.
name: Perakis, I. E.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We develop a theory of the magnetization dynamics triggered by ultrafast optical excitation of ferromagnetic semiconductors. We describe the effects of the strong carrier spin relaxation on the nonlinear optical response by using the Lindblad semigroup method. We demonstrate magnetization control during femtosecond timescales via the interplay between circularly polarized optical excitation, hole-spin damping, polarization dephasing, and the Mn-hole spin interactions. Our results show a light-induced magnetization precession and relaxation for the duration of the optical pulse.
description: 4 pages, 2 figures
The optical flare and afterglow light curve of GRB 050904 at redshift z=6.29
Creators: name: Wei, D. M.
name: Yan, T.
name: Fan, Y. Z.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: GRB050904 is very interesting since it is by far the most distant GRB event known to date($z=6.29$). It was reported that during the prompt high energy emission phase, a very bright optical flare was detected, and it was temporal coincident with an X-ray flare. Here we use two models to explain the optical flare, One is the "late internal shock model", in which the optical flare is produced by the synchrotron radiation of the electrons accelerated by the late internal shock, and the X-ray flare is produced by the synchrotron-self-Compton mechanism. The other is the external forward-reverse shock model, in which the optical flare is from the reverse shock emission and the X-ray flare is attributed to the central engine activity. We show that with proper parameters, a bright optical flare can appear in both models. We think the "late internal shock model" is more favored since in this model the optical flash and the X-ray flare have the same origin, which provides a natural explanation of the temporal coincidence of them. In the forward-reverse shock scenario, fits to the optical flare and the late afterglow suggests that the physical parameters of the reverse shock are much different from that of forward shock, as found in modeling the optical flash of GRB 990123 previously.
description: 11 pages, 1 figure, accepted for publication in ApJL
Electroweak Evolution Equations
Creators: name: Ciafaloni, Paolo
name: Comelli, Denis
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Enlarging a previous analysis, where only fermions and transverse gauge bosons were taken into account, we write down infrared-collinear evolution equations for the Standard Model of electroweak interactions computing the full set of splitting functions. Due to the presence of double logs which are characteristic of electroweak interactions (Bloch-Nordsieck violation), new infrared singular splitting functions have to be introduced. We also include corrections related to the third generation Yukawa couplings.
description: 15 pages, 3 figures
Some remarks on fundamental physical F-theory
Creators: name: Kriz, Igor
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The purpose of this paper is to investigate the possibility of a physical 12-dimensional F-theory. We study the question of geometric interaction terms in the F-theory Lagrangians. We also introduce a new supergravity multiplet in dimension $(9,3)$ which is based on a particle with 3-dimensional timelike worldvolume. A construction of signature $(9,3)$ F-theory is given using dualities analogous to those considered by Hull, and possible matches of F-theory's low energy fields with the $(9,3)$-supergravity field content is given. Finally, preliminary suggestions are made regarding a possible phenomenological compactificaton of F-theory from dimension $(9,3)$ to $(3,1)$.
description: A major revision, new results added
Hydrologic Analysis of a Tropical Watershed using KINEROS2
Creators: name: Memarian, Hadi
name: Balasundram, Siva K.
name: Talib, Jamal
name: Sung, Christopher Teh Boon
name: Alias Mohd Sood
name: Abbaspour, Karim C.
name: Haghizadeh, Ali
Publisher: name: Thai Society of Higher Education Institutes on Environment
Year: 2012
Subjects: KINEROS2,sediment,runoff,sensitivity analysis

description: 1, 5, EnvironmentAsia
Trojan states of electrons guided by Bessel beams
Creators: name: Bialynicki-Birula, Iwo
name: Bialynicka-Birula, Zofia
name: Chmura, Bartosz
Publisher: name: arXiv
Year: 2005
Subjects: subject: Optics (physics.optics)
subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: Previous work [I. Bialynicki-Birula, Phys. Rev. Lett. {\bf 93}, 20402 (2004)] is extended to cover more realistic examples of electromagnetic waves, viz. the Bessel beams. It is shown that electrons may be guided by a Bessel beam with nonvanishing orbital angular momentum. The mechanism for trapping the electrons near the electromagnetic vortex line of such a wave field is the same as for the Trojan states of Rydberg electrons produced by a circularly polarized wave. The main difference is that in the present case the transverse motion of electrons in a beam is confined under the action of the electromagnetic wave alone, no additional attraction center is required. We also discuss briefly the motion of electrons in Neumann and Hankel beams.
description: 10 pages, 15 figures, to appear in Laser Physics, J. H. Eberly Festschrift
Role of final state interactions in the B meson decay into two pions
Creators: name: Deandrea, Aldo
name: Ladisa, Massimo
name: Laporta, Vincenzo
name: Nardulli, Giuseppe
name: Santorelli, Pietro
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We estimate final state interactions in the B-meson decays into two pions by the Regge model. We consider Pomeron exchange and the leading Regge trajectories that can relate intermediate particles to the final state. In some cases, most notably B => pi^0 pi^0 and B => pi^+ pi^-, the effect is relevant and produces a better agreement between theory and experiment.
description: 8 pages, 6 figures
Hopes and desires for language learning : conversations with bilingual families
Creators: name: Thomas, Lynn Alexandra
Publisher: name: University of British Columbia
Year: 2009

description: Children learn language in the family. They also learn about the ways in which language can be used to communicate needs, share ideas, express cultural identity and negotiate and reinforce group membership. In bilingual and minority language families children also learn about the existence of different languages, of different ways of talking about the same object and expressing the same ideas, and the appropriate time and place to use each language. The place of language in the development of cultural identity and group membership is particularly important for people who speak more than one language and feel attachments to more than one culture. This study explores what it is to be a bilingual parent of young children. Parents who were themselves bilingual were asked about their own experiences with language, and their experiences with raising their children. The dissertation is organized around the themes of language learning in the family, in the community, and within the context of school. This study has resulted in a broad range of findings, among which are: that raising children to be bilingual is a deliberate act requiring considerable, conscious effort on the part of parents, that parents who have a mentor, someone they know who has successfully raised bilingual children, are more likely to persist with their efforts despite difficulties, and that close religious, cultural or familial ties to other speakers of the minority language are positive influences on both parents and children. Another important finding is that parents are greatly encouraged by meeting health and/or educational professionals who are positive and informative about bilingualism in young children. Conversation is the methodology for this study because it allows the participants and the researcher to work together toward a greater understanding of the topic under study. Through conversations with other interested people I was able to invite them into my questions. Sharing stories of language, and reflecting on what these stories mean and how they have affected and continue to affect us, opens the possibilities for a much greater understanding of what it means to speak more than one language in this society, and how that will affect our children.
Fusion of interfaces in Landau-Ginzburg models: a functorial approach
Creators: name: Behr, Nicolas
name: Fredenhagen, Stefan
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the fusion of B-type interfaces in two-dimensional supersymmetric Landau-Ginzburg models. In particular, we propose to describe the fusion of an interface in terms of a fusion functor that acts on the category of modules of the underlying polynomial rings of chiral superfields. This uplift of a functor on the category of matrix factorisations simplifies the actual computation of interface fusion. Besides a brief discussion of minimal models, we illustrate the power of this approach in the SU(3)/U(2) Kazama-Suzuki model where we find fusion functors for a set of elementary topological defects from which all rational B-type topological defects can be generated.
description: 40 pages; v2: Added a proof for the structure of successive fusion of D1 in appendix B.5