cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Multichannel quantum defect theory for ro-vibrational transitions in ultracold molecule-molecule collisions
Creators: name: Hazra, Jisha
name: Ruzic, Brandon P.
name: Balakrishnan, N.
name: Bohn, John L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Multichannel quantum defect theory (MQDT) has been widely applied to resonant and non-resonant scattering in a variety of atomic collision processes. In recent years, the method has been applied to cold collisions with considerable success, and it has proven to be a computationally viable alternative to full-close coupling (CC) calculations when spin, hyperfine and external field effects are included. In this paper, we describe a hybrid approach for molecule-molecule scattering that includes the simplicity of MQDT while treating the short-range interaction explicitly using CC calculations. This hybrid approach, demonstrated for H$_2$-H$_2$ collisions in full-dimensionality, is shown to adequately reproduce cross sections for quasi-resonant rotational and vibrational transitions in the ultracold (1$μ$K) and $\sim$ 1-10 K regime spanning seven orders of magnitude. It is further shown that an energy-independent short-range $K$-matrix evaluated in the ultracold regime (1$μ$K) can adequately characterize cross sections in the mK-K regime when no shape resonances are present. The hybrid CC-MQDT formalism provides an alternative approach to full CC calculations at considerably less computational expense for cold and ultracold molecular scattering.
Magnetic moment of the $X_1(2900)$ state in the diquark-antidiquark picture
Creators: name: Özdem, U.
name: Azizi, K.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: Motivated by the discovery of fully open-flavor tetraquark states $X_0(2900)$ and $X_1(2900)$ by the LHCb Collaboration, the magnetic dipole moment of the $X_1(2900)$ state with the quantum numbers $ J^{P} = 1^{-}$ is determined in the diquark-antidiquark picture using the light-cone sum rules. The numerical result is obtained as $ μ_{X_1}=0.79^{+0.36}_{-0.39}\,μ_N$. The magnetic moments of hadrons encompasses useful knowledge on the distributions of charge and magnetization their inside, which can be used to better understand their geometrical shapes and quark-gluon organizations. The observation of the $X_0(2900)$ and $X_1(2900)$ as the first two fully open-flavor multiquark states has opened a new window for investigation of the exotic states. The obtained results in the present study may shed light on the future experimental and theoretical searches on the properties of fully open-flavor multiquark states.
description: 7 Pages and 1 Figure
Князь Владимир, святой, равноапостольный. . . (из истории русско-скандинавских церковно-литературных связей ХVII - начала ХIХ В. )
Creators: name: Архим. Августин (Никитин)
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: КРЕЩЕНИЕ РУСИ
BAPTISM
СВ. КНЯЗЬ ВЛАДИМИР
ПЕТР ПЕТРЕЙ
ЮСТ ЮЛЬ
Х. Г. ПОРТАН
М. М. ХЕРАСКОВ
Э. И. СТАГНЕЛИУС
АДАМ ЭЛЕНШЛЕГЕР
А. С. ПУШКИН
ЛИТЕРАТУРНЫЕ СВЯЗИ
РОССИЯ
RUSSIA
СКАНДИНАВИЯ
CHRISTIANITY
POLITICAL DEVELOPMENT
POTESTARIAN SOCIETY
PAGAN-ISM
LITHUANIA

description: В статье прослеживаются историко-литературные связи России и Скандинавии в ХVII-ХIХ веках на материале произведений, в которых так или иначе затрагивались образ св. князя Владимира и Крещение Руси. Проанализиро-вано обращение к образу Крестителя Руси в исторических произведениях Петра Петрея, Юста Юля и Х. Г. Портана, в поэмах М. М. Хераскова и Э. И. Стагнелиуса, трагедии Адама Эленшлегера, а также записках А. С. Пушкина. Перечисленные авторы черпали интересовавшие их сведения в основном из Повести временных лет и Никоновской летописи, художественно их перерабатывая в контексте варяж-ского вопроса.Since the level of social, economic and political development of Lithuania in the XIII century approximately corresponded to the same level of development of Kievan Rus in IX-XI centuries, it seems not only possible but also fruitful to compare the causes and effects of the Baptism of Russia in the X century and the Baptism of Lithua-nia in the XIII century. The author proceeds from the fact of potester society in both cases and captures the similarity of ancient Russian and Lithuanian pagan. The author concludes that the adoption of Christianity its successful grafting, depending on the in-ternal and external factors and combined matching difference of internal and external factors, have caused the current political and religious differences.
Neutron Scattering Studies of the Ferroelectric Distortion and Spin Dynamics in the Type-1 Multiferroic Perovskite Sr0.56Ba0.44MnO3
Creators: name: Pratt, Daniel K.
name: Lynn, Jeffrey W.
name: Mais, James
name: Chmaissem, Omar
name: Brown, Dennis E.
name: Kolesnik, Stanislaw
name: Dabrowski, Bogdan
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The magnetic order, spin dynamics, and crystal structure of the multiferroic Sr0.56Ba0.44MnO3 have been investigated using neutron and x-ray scattering. Ferroelectricity develops at TC=305 K with a polarization of 4.2 microC/cm2 associated with the displacements of the Mn ions, while the Mn4+ spins order below TN = 200 K into a simple G-type commensurate magnetic structure. Below TN the ferroelectric order decreases dramatically demonstrating that the two order parameters are strongly coupled. The ground state spin dynamics are characterized by a spin gap of 4.6(5) meV and the magnon density of states peaking at 43 meV. Detailed spin wave simulations with a gap and isotropic exchange of J=4.8(2) meV describe the excitation spectrum well. Above TN strong spin correlations coexist with robust ferroelectric order.
description: 8 pages, 4 figures
Discovery of Hydrogen Radio Recombination Lines at z=0.89 towards PKS 1830-211
Creators: name: Emig, Kimberly L.
name: Gupta, Neeraj
name: Salas, Pedro
name: Muller, Sebastien
name: Balashev, Sergei A.
name: Combes, Francoise
name: Momjian, Emmanuel
name: Song, Yiqing
name: Jagannathan, Preshanth
name: Deka, Partha P.
name: Jozsa, Gyula I. G.
name: Klockner, Hans-Rainer
name: Mohapatra, Abhisek
name: Noterdaeme, Pasquier
name: Petitjean, Patrick
name: Srianand, Raghunathan
name: Wagenveld, Jonah D.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the detection of stimulated hydrogen radio recombination line (RRL) emission from ionized gas in a $z=0.89$ galaxy using 580--1670 MHz observations from the MeerKAT Absorption Line Survey (MALS). The RRL emission originates in a galaxy that intercepts and strongly lenses the radio blazar PKS 1830-211 ($z=2.5$). This is the second detection of RRLs outside of the local universe and the first clearly associated with hydrogen. We detect effective H144$α$ (and H163$α$) transitions at observed frequencies of 1156 (798) MHz by stacking 17 (27) RRLs with 21$σ$ (14$σ$) significance. The RRL emission contains two main velocity components and is coincident in velocity with HI 21 cm and OH 18 cm absorption. We use the RRL spectral line energy distribution and a Bayesian analysis to constrain the density ($n_e$) and the volume-averaged pathlength ($\ell$) of the ionized gas. We determine $\log( n_e ) = 2.0_{-0.7}^{+1.0}$ cm$^{-3}$ and $\log( \ell ) = -0.7_{-1.1}^{+1.1}$ pc towards the north east (NE) lensed image, likely tracing the diffuse thermal phase of the ionized ISM in a thin disk. Towards the south west (SW) lensed image, we determine $\log( n_e ) = 3.2_{-1.0}^{+0.4}$ cm$^{-3}$ and $\log( \ell ) = -2.7_{-0.2}^{+1.8}$ pc, tracing gas that is more reminiscent of H II regions. We estimate a star formation (surface density) rate of $Σ_{\mathrm{SFR}} \sim 0.6$ M$_{\odot}$ yr$^{-1}$ kpc$^{-2}$ or SFR $\sim 50$ M$_{\odot}$ yr$^{-1}$, consistent with a star-forming main sequence galaxy of $M_{\star} \sim 10^{11}$ M$_{\odot}$. The discovery presented here opens up the possibility of studying ionized gas at high redshifts using RRL observations from current and future (e.g., SKA and ngVLA) radio facilities.
description: 17 pages, 10 figures, 2 tables, accepted in ApJ
Князь-Владимирский собор Санкт-Петербурга в 1917-1941 гг
Creators: name: Шкаровский Михаил Витальевич
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: РУССКАЯ ПРАВОСЛАВНАЯ ЦЕРКОВЬ
RUSSIAN ORTHODOX CHURCH
КНЯЗЬ-ВЛАДИМИРСКИЙ СОБОР
ST. VLADIMIR''S CATHEDRAL
САНКТ-ПЕТЕРБУРГ
ST. PETERSBURG
XX ВЕК
XX CENTURY
RUSSIA

description: Статья посвящена истории главного храма Санкт-Петербурга, по-священного святому равноапостольному князю Владимиру, в 1917-1941 гг. В этот период Князь-Владимирский собор, несмотря на неоднократные попытки закры-тия со стороны советских властей и временный его захват обновленцами, сумел выстоять и сыграл очень важную, во многом ключевую роль в церковной жизни города. Перед началом Великой Отечественной войны Князь-Владимирский собор был кафедральным храмом епархии и местом проживания митрополита Алексия (Симанского), а также принял в свои стены главную святыню Санкт-Петербурга чудотворную Казанскую икону Божией Матери.The Article is devoted to the history of the main Church of St. Petersburg, dedicated to Saint equal to the apostles Prince Vladimir in 1917-1941 during this period, the Prince Vladimir Cathedral, despite repeated attempts to close with the Soviet au-thorities and its temporary takeover by the Renovationists managed to survive and has played a very important, largely a key role in the ecclesiastical life of the city. Before the beginning of the great Patriotic war, the Prince Vladimir Cathedral was the Cathedral Church of the diocese and seat of the San g-nia of Metropolitan Alexiy (Simanskiy), and accepted the main Shrine of Saint Petersburg the wonderworking Kazan icon of the Mother of God.
Benchmarking the Planar Honeycomb Code
Creators: name: Gidney, Craig
name: Newman, Michael
name: McEwen, Matt
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We improve the planar honeycomb code by describing boundaries that need no additional physical connectivity, and by optimizing the shape of the qubit patch. We then benchmark the code using Monte Carlo sampling to estimate logical error rates and derive metrics including thresholds, lambdas, and teraquop qubit counts. We determine that the planar honeycomb code can create a logical qubit with one-in-a-trillion logical error rates using 7000 physical qubits at a 0.1% gate-level error rate (or 900 physical qubits given native two-qubit parity measurements). Our results cement the honeycomb code as a promising candidate for two-dimensional qubit architectures with sparse connectivity.
Impact of opacity effects on chromospheric oscillations inferred from NLTE inversions
Creators: name: Felipe, T.
name: Socas-Navarro, H.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Chromospheric inferences rely on the interpretation of spectral lines that are formed under Non-Local Thermodynamic Equilibrium (NLTE) conditions. In the presence of oscillations, changes in the opacity impact the response height of the spectral lines and hinder the determination of the real properties of the fluctuations. We aim to explore the relationship between the chromospheric oscillations inferred by NLTE inversion codes and the waves' intrinsic fluctuations in velocity and temperature. Numerical simulations of wave propagation in an umbra have been computed with the code MANCHA. The NLTE synthesis and inversion code NICOLE has been used to compute spectropolarimetric Ca II 8542 Å line profiles for the models obtained from the simulations. The synthetic profiles have been inverted and the inferences from the inversions have been compared with the known simulated atmospheres. NLTE inversions of the Ca II 8542 Å line capture low-frequency oscillations, including those in the main band of chromospheric oscillations around 6 mHz. In contrast, waves with frequencies above 9 mHz are poorly characterized. Velocity oscillations at those higher frequencies exhibit clear indications of opacity fluctuations. The main response of the line to velocity fluctuations comes from low chromospheric heights, whereas the response to temperature shows sudden jumps between the high photosphere and the low chromosphere. This strong variation in the heights where the line is sensitive to temperature is revealed as a strong oscillatory power in the inferred fluctuations. Our results validate the use of NLTE inversions to study chromospheric oscillations with frequencies below 9 mHz. The interpretation of higher frequency oscillations and the power of temperature oscillations must be addressed with care since they exhibit signatures of opacity oscillations.
description: Abstract abridged for arXiv submission
Образ князя владимира в сознании русской православной эмигра-ции (по материалам журнала «Церковные ведомости», 1930 год)
Creators: name: Никодим (Хмыров), Иеродиакон
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: КНЯЗЬ ВЛАДИМИР
PRINCE VLADIMIR
МИТРОПОЛИТ АНТОНИЙ
ANTHONY METROPOLITAN
РУССКАЯ ПРАВОСЛАВНАЯ ЭМИГРАЦИЯ
RUSSIAN ORTHODOX EMIGRATION
НАЧАЛО ХХ ВЕКА
BEGINNING OF THE 20TH CENTURY
ЖУРНАЛ "ЦЕРКОВНЫЕ ВЕДОМОСТИ"
"TSERKOVNYЕ VEDOMOSTI" MAGAZINE

description: В статье показано восприятие образа киевского князя Владимира русской православной эмиграцией. Анализируются статьи митрополита Антония (Храповицкого), который был инициатором установления дня св. князя Владими-ра как общего русского церковно-национального праздника.The article represents the way the image of Vladimir, Prince of Kiev was per-ceived by Russian Orthodox Christian emigration. It analyzes the articles by Anthony, metropolitan (Khrapovitsky) who initiated establishment of St. Prince Vladimir’s day as a general Russian national church holiday.
Is a two-step glutamate dehyrogenase antigen-cytotoxicity neutralization assay algorithm superior to the premier toxin A and B enzyme immunoassay for laboratory detection of Clostridium difficile? (Journal of Clinical Microbiology (2008) 46, 4, (1523-1525))
Creators: name: Gilligan, P. H.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: A two-step algorithm for the detection of Clostridium difficile by the use of C. Diff Quik Chek (TechLab, Blacksburg, VA) and a tissue culture cytotoxicity neutralization assay was found to be more sensitive than the widely used solid-phase enzyme immunoassay (EIA), the Premier toxin A and B EIA (Meridian Bioscience, Cincinnati, OH), and a newly developed, rapid single-test EIA for C. difficile toxins A and B (Tox A/B Quik Chek; TechLab).
The Design and Operation of The Keck Observatory Archive
Creators: name: Berriman, G. Bruce
name: Gelino, Christopher R.
name: Goodrich, Robert W.
name: Holt, Jennifer
name: Kong, Mihseh
name: Laity, Anastasia C.
name: Mader, Jeffrey A.
name: Swain, Melanie
name: Tran, Hien D.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The Infrared Processing and Analysis Center (IPAC) and the W. M. Keck Observatory (WMKO) operate an archive for the Keck Observatory. At the end of 2013, KOA completed the ingestion of data from all eight active observatory instruments. KOA will continue to ingest all newly obtained observations, at an anticipated volume of 4 TB per year. The data are transmitted electronically from WMKO to IPAC for storage and curation. Access to data is governed by a data use policy, and approximately two-thirds of the data in the archive are public.
description: 12 pages, 4 figs, 4 tables. Presented at Software and Cyberinfrastructure for Astronomy III, SPIE Astronomical Telescopes + Instrumentation 2014. June 2014, Montreal, Canada
Engineering symmetry-selective couplings of a superconducting artificial molecule to microwave waveguides
Creators: name: Aamir, Mohammed Ali
name: Moreno, Claudia Castillo
name: Sundelin, Simon
name: Biznárová, Janka
name: Scigliuzzo, Marco
name: Patel, Kowshik Erappaji
name: Osman, Amr
name: Lozano, D. P.
name: Gasparinetti, Simone
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Tailoring the decay rate of structured quantum emitters into their environment opens new avenues for nonlinear quantum optics, collective phenomena, and quantum communications. Here we demonstrate a novel coupling scheme between an artificial molecule comprising two identical, strongly coupled transmon qubits, and two microwave waveguides. In our scheme, the coupling is engineered so that transitions between states of the same (opposite) symmetry, with respect to the permutation operator, are predominantly coupled to one (the other) waveguide. The symmetry-based coupling selectivity, as quantified by the ratio of the coupling strengths, exceeds a factor of 30 for both the waveguides in our device. In addition, we implement a two-photon Raman process activated by simultaneously driving both waveguides, and show that it can be used to coherently couple states of different symmetry in the single-excitation manifold of the molecule. Using that process, we implement frequency conversion across the waveguides, mediated by the molecule, with efficiency of about 95%. Finally, we show that this coupling arrangement makes it possible to straightforwardly generate spatially-separated Bell states propagating across the waveguides. We envisage further applications to quantum thermodynamics, microwave photodetection, and photon-photon gates.
Optimizing Screening for Acute Human Immunodeficiency Virus Infection with Pooled Nucleic Acid Amplification Tests
Creators: name: Hudgens, M. G.
name: Fiscus, S. A.
name: Pilcher, C. D.
name: Westreich, D. J.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Recent studies have shown the public health importance of identifying individuals with acute human immunodeficiency virus infection (AHI); however, the cost of nucleic acid amplification testing (NAAT) makes individual testing of at-risk individuals prohibitively expensive in many settings. Pooled NAAT (or group testing) can improve efficiency and test performance of testing for AHI, but optimizing the pooling algorithm can be difficult. We developed simple, flexible biostatistical models of specimen pooling with NAAT for the identification of AHI cases; these models incorporate group testing theory, operating characteristics of biological assays, and a model of viral dynamics during AHI. Pooling algorithm sensitivity, efficiency (test kits used per individual specimen evaluated), and positive predictive value (PPV) were modeled and compared for three simple pooling algorithms: two-stage minipools (D2), three-stage hierarchical pools (D3), and square arrays with master pools (A2m). We confirmed the results by stochastic simulation and produced reference tables and a Web calculator to facilitate pooling by investigators without specific biostatistical expertise. All three pooling strategies demonstrated improved efficiency and PPV for AHI case detection compared to individual NAAT. D3 and A2m algorithms generally provided better efficiency and PPV than D2; additionally, A2m generally exhibited better PPV than D3. Used selectively and carefully, the simple models developed here can guide the selection of a pooling algorithm for the detection of AHI cases in a wide variety of settings.
Probablistic forecasts using expert judgement: the Road to Recovery from COVID-19 for Australian Tourism
Creators: name: Athanasopoulos, George
name: Hyndman, Rob J
name: O'Hara-Wild, Mitchell
Publisher: name: Monash University
Year: 2022
Subjects: Econometric and statistical methods
Econometrics not elsewhere classified

description: COVID-19 has had a devastating effect on many industries around the world including tourism, and policy makers are interested in mapping out what the recovery path will look like. In this paper we focus on Australian tourism, analysing international arrivals and domestic flows. Both sectors have been severely affected by travel restrictions in the form of international and interstate border closures and regional lockdowns. We use statistical models of historical data to generate COVID-free counterfactual forecasts pretending that the pandemic never occurred. We also use survey responses from 443 tourism experts to generate scenario-based probabilistic forecasts for pessimistic, most-likely and optimistic paths to recovery. Using both sets of forecasts, we estimate the expected effect of the pandemic on the Australian tourism industry.
Correction of the brighter-fatter effect on the CCDs of Hyper Suprime-Cam
Creators: name: Astier, Pierre
name: Regnault, Nicolas
Publisher: name: arXiv
Year: 2023
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The brighter-fatter effect affects all CCD sensors to various degrees. Deep-depleted thick sensors are seriously affected and the measurement of galaxy shapes for cosmic shear measurements requires an accurate correction of the effect in science images. We describe the whole correction chain we have implemented for the CCDs of the Hyper Suprime-Cam imager on the Subaru Telescope. We derive non linearity corrections from a new sequence of flat field images, and measure their statistics, namely their two-pixel function. We constrain an electrostatic model from flat field statistics that we use to correct science images. We find evidence that some fraction of the observed variance and some covariances is not due to the combination of Poisson statistics and electrostatics -- and the cause remains elusive. We then have to ignore some measurements when deriving the electrostatic model. Over a wide range of image qualities and in the 5 bands of the imager, stars in corrected science images exhibit size variations with flux small enough to predict the point spread function for faint objects to an accuracy better than $10^{-3}$ for the trace of second moments -- and even better for the ellipticity and the fourth radial moment. This performance is sufficient for upcoming large-scale cosmic shear surveys such as Rubin/LSST.
description: 18 pages, 24 figures, accepted for publication in A&A
Self-Assembly of the Recombinant Capsid Protein of a Swine Norovirus into Virus-Like Particles and Evaluation of Monoclonal Antibodies Cross-Reactive with a Human Strain from Genogroup II
Creators: name: Caston, J. R.
name: van der Poel, W. H. M.
name: Mena, I.
name: Vinje, J.
name: Mateos, F.
name: Angulo, I.
name: Barcena, J.
name: Almanza, H.
name: Cubillos, C.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Noroviruses (NoVs) are responsible for the majority of gastroenteritis outbreaks in humans. Recently, NoV strains which are genetically closely related to human genogroup II (GII) NoVs have been detected in fecal specimens from swine. These findings have raised concern about the possible role of pigs as reservoirs for NoVs that could infect humans. To better understand the epidemiology of swine NoVs in both the swine and the human populations, rapid immunoassays are needed. In this study, baculovirus recombinants were generated to express the capsid gene of a swine NoV GII genotype 11 (GII.11) strain which self-assembled into virus-like particles (VLPs). Subsequently, the purified VLPs were used to evoke monoclonal antibodies (MAbs) in mice. A panel of eight promising MAbs was obtained and evaluated for their ability to bind to heterologous VLPs, denaturated antigens, and truncated capsid proteins. The MAbs could be classified into two groups: two MAbs that recognized linear epitopes located at the amino-terminal half (shell domain) of the swine NoV GII.11 VLPs and that cross-reacted with human GII.4 NoV VLPs. The other six MAbs bound to conformational epitopes and did not cross-react with the human GII.4 VLPs. To our knowledge, this is the first report on the characterization of MAbs against swine NoVs. The swine NoV VLPs and the MAbs described here may be further used for the design of diagnostic reagents that could help increase our knowledge of the prevalence of NoV infections in pigs and the possible role of pigs as reservoirs for NoVs.
Unbound stars hold the key to young star cluster history
Creators: name: Arunima, Arunima
name: Pfalzner, Susanne
name: Govind, Amith
Publisher: name: arXiv
Year: 2023
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Aims. GAIA delivers the positions and velocities of stars at unprecedented precision. Therefore, for star clusters, there exists much higher confidence in whether a specific star is a member of a particular group. However, membership determination is still challenging for young star clusters. At ages 2-10 Myr, the gas is expelled, leading to cluster expansion, while many former members become unbound. We aim to assess the accuracy of the methods used to distinguish between bound and unbound cluster members. After identifying the most suitable technique, we wish to understand which of the two populations provides more insights into the initial configuration and the dynamic history of a cluster. Methods. Here, we perform N-body simulations of the dynamics of such young star clusters. We investigate how cluster dynamics and observational limitations affect the recovered information about the cluster from a theoretical perspective. Results. We find that the much-used method of distance and velocity cutoffs for membership determination often leads to false negatives and positives alike. Often observational studies focus on the stars remaining bound. However, they quickly lose the memory of the pre-gas expulsion phase due to interactions with other cluster members. Our study shows that the unbound stars hold the key to charting a cluster's dynamic history. Backtracking unbound stars can provide the original cluster size and determine the time of gas expulsion. This information is lost in the bound population. In addition, former members are often better indicators for disc lifetimes or initial binary fractions. We apply the backtracking analysis, with varying success, to the clusters: Upper Scorpius and NGC 6530. For highly substructured clusters such as Upper Scorpius, backtracking to the individual subcluster centres will provide better results in the future (abridged).
description: 14 pages, 11 figures, accepted for A&A
Журнал «Русское возрождение» - орган Комиссии по подготовке празднования 1000-летия Крещения Руси в русском зарубежье
Creators: name: Кашеваров Анатолий Николаевич
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: ЖУРНАЛ "РУССКОЕ ВОЗРОЖДЕНИЕ"
MAGAZINE "RUSSIAN REVIVAL"
1000-ЛЕТИЕ КРЕЩЕНИЯ РУСИ
THE 1000TH ANNIVERSARY OF THE BAPTISM OF RUSSIA
РУССКАЯ ПРАВОСЛАВНАЯ ЦЕРКОВЬ ЗА ГРАНИЦЕЙ
RUSSIAN ORTHODOX CHURCH ABROAD

description: Статья посвящена анализу содержания и роли журнала «Русское возрождение» в подготовке празднования 1000-летия Крещения Руси в русском зарубежье. Особое внимание обращено на стремление редакции журнала в ходе подготовки к юбилею обеспечить информационную поддержку канонизации Ни-колая II и его семьи.This article analyzes the content and role of the magazine "Russian renais-sance" in the preparation of the celebration of the 1000th anniversary of the Baptism of Russia in the Russian diaspora. Particular attention is drawn to the desire of the maga-zine in preparation for the anniversary to provide information support canonization of Nicholas II and his family.
Leave-one-out Kernel Density Estimates for Outlier Detection
Creators: name: Kandanaarachchi, Sevvandi
name: Hyndman, Rob J
Publisher: name: Monash University
Year: 2022
Subjects: Econometric and statistical methods
Econometrics not elsewhere classified

description: This paper introduces lookout, a new approach to detect outliers using leave-one-out kernel density estimates and extreme value theory. Outlier detection methods that use kernel density estimates generally employ a user defined parameter to determine the bandwidth. Lookout uses persistent homology to construct a bandwidth suitable for outlier detection without any user input. We demonstrate the effectiveness of lookout on an extensive data repository by comparing its performance with other outlier detection methods based on extreme value theory. Furthermore, we introduce outlier persistence, a useful concept that explores the birth and the cessation of outliers with changing bandwidth and significance levels. The R package lookout implements this algorithm.
Assessing the quality of relaxation-time approximations with fully-automated computations of phonon-limited mobilities
Creators: name: Claes, Romain
name: Brunin, Guillaume
name: Giantomassi, Matteo
name: Rignanese, Gian-Marco
name: Hautier, Geoffroy
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The mobility of carriers, as limited by their scattering with phonons, can now routinely be obtained from first-principles electron-phonon coupling calculations. However, so far, most computations have relied on some form of simplification of the linearized Boltzmann transport equation based on either the self-energy, the momentum- or constant relaxation time approximations. Here, we develop a high-throughput infrastructure and an automatic workflow and we compute 69 phonon-limited mobilities in semiconductors. We compare the results resorting to the approximations with the exact iterative solution. We conclude that the approximate values may deviate significantly from the exact ones and are thus not reliable. Given the minimal computational overhead, our work encourages to rely on this exact iterative solution and warns on the possible inaccuracy of earlier results reported using relaxation time approximations.
description: 6 pages, 2 figures
Элементы сказочности и удивительности в произведениях французских авторов хі-хvіі вв. О Южной Руси
Creators: name: Луняк Евгений Николаевич
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: СКАЗОЧНОСТЬ
ЮЖНАЯ РУСЬ
УКРАИНА
UKRAINE
ФРАНЦИЯ
FRANCE
КАЗАКИ
COSSACK
MAGIC
SOUTH RUS'

description: Рассмотрено состояние ознакомления французской общественно-сти с Южной Русью Украиной в Средневековье и в начале Нового времени. Ав-тор прослеживает эволюцию французских представлений об этой территории в ХІ-ХVІІ вв.The acquaintance’s state of the French public with South Rus’ Ukraine in the Middle Ages Early Modern Times in the article is covered. Author studies evolu-tion of the French images of this country in the XI-ХVІІth centuries.
Learning Bidirectional Action-Language Translation with Limited Supervision and Incongruent Input
Creators: name: Özdemir, Ozan
name: Kerzel, Matthias
name: Weber, Cornelius
name: Lee, Jae Hee
name: Hafez, Muhammad Burhan
name: Bruns, Patrick
name: Wermter, Stefan
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computation and Language (cs.CL)
subject: Artificial Intelligence (cs.AI)
subject: Neural and Evolutionary Computing (cs.NE)
subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Human infant learning happens during exploration of the environment, by interaction with objects, and by listening to and repeating utterances casually, which is analogous to unsupervised learning. Only occasionally, a learning infant would receive a matching verbal description of an action it is committing, which is similar to supervised learning. Such a learning mechanism can be mimicked with deep learning. We model this weakly supervised learning paradigm using our Paired Gated Autoencoders (PGAE) model, which combines an action and a language autoencoder. After observing a performance drop when reducing the proportion of supervised training, we introduce the Paired Transformed Autoencoders (PTAE) model, using Transformer-based crossmodal attention. PTAE achieves significantly higher accuracy in language-to-action and action-to-language translations, particularly in realistic but difficult cases when only few supervised training samples are available. We also test whether the trained model behaves realistically with conflicting multimodal input. In accordance with the concept of incongruence in psychology, conflict deteriorates the model output. Conflicting action input has a more severe impact than conflicting language input, and more conflicting features lead to larger interference. PTAE can be trained on mostly unlabelled data where labeled data is scarce, and it behaves plausibly when tested with incongruent input.
description: Published in: Applied Artificial Intelligence, 37:1, 2179167
Дар в традиции домонгольской Руси: культурно-символическое наполнение и политическое содержание
Creators: name: Мининкова Людмила Владимировна
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: ДАР
GIFT
ОТНОШЕНИЯ
RELATIONS
КУЛЬТУРА ОТНОШЕНИЙ
THE CULTURE OF THE RELATIONS
ЛЕТОПИСЬ
CHRONICLE
УСТНОЕ ПРЕ-ДАНИЕ
THE VER-BAL STORY

description: В средние века дар выступал как выражение общественных и меж-личностных отношений, как комплексный результат экономического и социального развития. На Руси был известен западный принцип «give and take», отмеченный А.Я.Гуревичем. Русское средневековое понятие о даре в наиболее полном виде со-держится в «Повести о новгородском белом клобуке». Первые сведения о дарах в русской летописи в рассказе о приеме княгини Ольги при дворе императора Кон-стантина VII. Практика даров между князьями была на Руси распространена.The gift was on the Middle Ages as the expression of the public and personal relations, as the complex result of the economic and social development. The west prin-ciple «give and take», that marked A.J.Gurewich, was known in the Rus''. There is the Russian idea of the gift on the Middle Ages known out of the «Story about the White Hood from Novgorod». The first information about the gifts in the Russian chronicle founds in the story about the reception of the Princess Olga court of Imperator Konstan-tin VII. The Princes gifts were spreading in Rus''.
Sputum Smear Microscopy: Evaluation of Impact of Training, Microscope Distribution, and Use of External Quality Assessment Guidelines for Resource-Poor Settings
Creators: name: Kabuya, G.
name: Fitzgerald, D.
name: Van Deun, A.
name: Tabala, M.
name: Van Rie, A.
name: Behets, F.
name: Bahati, E.
name: Jarret, N.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Sputum smear microscopy is the main and often only laboratory technique used for the diagnosis of tuberculosis in resource-poor countries, making quality assurance (QA) of smear microscopy an important activity. We evaluated the effects of a 5-day refresher training course for laboratory technicians and the distribution of new microscopes on the quality of smear microscopy in 13 primary health care laboratories in Kinshasa, Democratic Republic of Congo. The 2002 external QA guidelines for acid-fast bacillus smear microscopy were implemented, and blinded rechecking of the slides was performed before and 9 months after the training course and microscope distribution. We observed that the on-site checklist was highly time-consuming but could be tailored to capture frequent problems. Random blinded rechecking by the lot QA system method decreased the number of slides to be reviewed. Most laboratories needed further investigation for possible unacceptable performance, even according to the least-stringent interpretation. We conclude that the 2002 external QA guidelines are feasible for implementation in resource-poor settings, that the efficiency of external QA can be increased by selecting sample size parameters and interpretation criteria that take into account the local working conditions, and that greater attention should be paid to the provision of timely feedback and correction of the causes of substandard performance at poorly performing laboratories.
Evidence for a low Lyman Continuum Escape fraction in three Massive, UV-bright galaxies at z > 7
Creators: name: Witten, Callum
name: Laporte, Nicolas
name: Katz, Harley
Publisher: name: arXiv
Year: 2023
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Although low-mass star-forming galaxies are the leading candidates of the reionisation process, we cannot conclusively rule out high-mass star-forming galaxies as candidates. While most simulations indicate the former is the best candidate some models suggest that at z > 6 massive, UV-bright galaxies - "oligarchs" - account for at least 80% of the ionising budget. To test this hypothesis we target massive (log10 (M*[Msol]) > 10), UV-bright (MUV ~ -22) Lya emitters at z > 7 in archival data, observed with similar resolution spectrographs (VLT/X-shooter and Keck/MOSFIRE). To increase the reliability of our conclusions we stack all spectra and obtain a deep-stacked spectrum of 24.75 hrs. The stacked Lya profile displays a clear asymmetric red peak and an absence of a blue peak. We additionally estimate the intrinsic stacked Lya profile of our targets by correcting for IGM transmission using a range of neutral hydrogen fractions, finding no significant change in the profile. We measure a velocity offset Vred > 300 km/s and an asymmetry in our red peak A ~3. Using various models and estimators such as the peak separation, the asymmetry of the red peak, the ratio between Lya and Hb and the beta slope, we conclude that the escape fraction in these three UV bright, massive (10^10 Msol), z > 7 galaxies is fesc(LyC) < 10%.
description: 11 pages, 4 figures, 2 tables. Accepted for publication in ApJ
Diagnosis of Human Immunodeficiency Virus Type 1 Infection in Infants by Use of Dried Blood Spots and an Ultrasensitive p24 Antigen Assay
Creators: name: Cachafeiro, A.
name: Sohn, A. H.
name: Sherman, G. G.
name: Beck-Sague, C.
name: Fiscus, S. A.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2009

description: We tested 617 dried blood spots (DBS) from human immunodeficiency virus-exposed infants from five countries using an ultrasensitive p24 antigen assay (Up24). The sensitivity was 94.4% (67/71) and the specificity was 100% (431/431) for infants with DBS specimens ≤20 months old; DBS older than 30 months demonstrated only 72.2% sensitivity (39/54) (P < 0.001) but displayed 100% specificity (61/61).
Experimental assessment of a blended fatigue‐extreme controller employing trailing edge flaps
Creators: name: Bartholomay, Sirko
name: Krumbein, Sascha
name: Perez‐Becker, Sebastian
name: Soto‐Valle, Rodrigo
name: Nayeri, Christian N.
name: Paschereit, Christian O.
name: Oberleithner, Kilian
Publisher: name: Wiley
Year: 2022
Subjects: subject: 600 Technik, Medizin, angewandte Wissenschaften::620 Ingenieurwissenschaften::621 Angewandte Physik
subject: blended controller
subject: extreme loads
subject: on-blade angle of attack estimation
subject: trailing edge flaps

description: This paper presents an experimental assessment of a blended fatigue‐extreme controller for load control employing trailing edge flaps on a lab‐scale wind turbine. The controller blends between a repetitive model predictive controller that targets fatigue loads and a dedicated extreme load controller, which consists of a simple on‐off load control strategy. The Fatigue controller uses the flapwise blade root bending moments of the three blades as input sensors. The Extreme controller additionally uses on‐blade angle of attack and velocity measurements as well as acceleration measurements to detect extreme events and to allow for a fast reaction. The experiments are conducted on the Berlin Research Turbine within the large wind tunnel of the TU Berlin. In order to reproduce test cases with deterministic extreme wind conditions that follow industry standards, the wind tunnel was redesigned. The analyzed test cases are extreme direction change, extreme coherent gust, extreme operating gust and extreme coherent gust with direction change. The test cases are analyzed by on‐blade angle of attack and velocity measurements. The load control performance of the Blended controller is compared to the pure fatigue oriented and the pure extreme load controller. The Blended controller achieves a maximum flapwise blade root bending moment reduction of 23%, which is comparable to the reduction achieved by the Extreme controller.
Topological edge states in single- and multi-layer Bi$_{4}$Br$_{4}$
Creators: name: Zhou, Jin-Jian
name: Feng, Wanxiang
name: Liu, Gui-Bin
name: Yao, Yugui
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Topological edge states at the boundary of quantum spin Hall (QSH) insulators hold great promise for dissipationless electron transport. The device application of topological edge states has several critical requirements for the QSH insulator materials, e.g., large band gap, appropriate insulating substrates, and multiple conducting channels. In this paper, based on first-principle calculations, we show that Bi$_{4}$Br$_{4}$ is a suitable candidate. Single-layer Bi$_{4}$Br$_{4}$ was demonstrated to be QSH insulator with sizable gap recently. Here, we find that, in multilayer systems, both the band gaps and low-energy electronic structures are only slightly affected by the interlayer coupling. On the intrinsic insulating substrate of Bi$_{4}$Br$_{4}$, the single-layer Bi$_{4}$Br$_{4}$ well preserves its topological edge states. Moreover, at the boundary of multilayer Bi$_{4}$Br$_{4}$, the topological edge states stemming from different single-layers are weakly coupled, and can be fully decoupled via constructing a stair-stepped edge. The decoupled topological edge states are well suitable for multi-channel dissipationless transport.
description: 4 pages, 4 figures
Сколько стоила «Жизнь» инока в домонгольской Руси? (небольшие наблюдения о социальном статусе древнерусских иноков)
Creators: name: Гайденко Павел Иванович
Publisher: name: Палеоросия. Древняя Русь во времени, в личностях, в идеях
Year: 2015
Subjects: КИЕВСКАЯ РУСЬ
ДРЕВНЯЯ РУСЬ
РУССКАЯ ПРАВОСЛАВНАЯ ЦЕРКОВЬ
КАНОНИЧЕСКОЕ ПРАВО
ЦЕРКОВНЫЕ УСТАВЫ В ДРЕВНЕЙ РУСИ
ДРЕВНЕРУССКОЕ МОНАШЕСТВО
KYIV RUS
ANCIENT RUS
RUSSIAN ORTHODOX CHURCH
CANONICAL RIGHT
CHURCH CHARTERS IN ANCIENT RUS
OLD RUSSIAN MONKHOOD

description: Правовое положение монашества в домонгольской Руси почти ни разу не становилось предметом специального исследования. Между тем, выявление правового и социального статуса древнерусского монаха могло бы не только уточнить место иночества в социально-политической структуре древнерусского общества, но и пояснить то, почему монахи оказывались беззащитными перед произволом грабителей и иных преступников. Представленная статья пробует подступить к сложной проблеме социально-правового положения древнерусских иноков.Legal position of monkhood in premongolian Rus almost never became the article of special research. Meantime, the exposure of legal and social status of the Old Russian monk would not only specify the place of monkhood in the socio-political struc-ture of Old Russian society but also explain that, why monks appeared defenceless be-fore tyranny of robbers and another criminals. The presented article tries to approach to the thorny problem of socially-legal position of the Old Russian monks.
A Second Earth-Sized Planet in the Habitable Zone of the M Dwarf, TOI-700
Creators: name: Gilbert, Emily A.
name: Vanderburg, Andrew
name: Rodriguez, Joseph E.
name: Hord, Benjamin J.
name: Clement, Matthew S.
name: Barclay, Thomas
name: Quintana, Elisa V.
name: Schlieder, Joshua E.
name: Kane, Stephen R.
name: Jenkins, Jon M.
name: Twicken, Joseph D.
name: Kunimoto, Michelle
name: Vanderspek, Roland
name: Arney, Giada N.
name: Charbonneau, David
name: Günther, Maximilian N.
name: Huang, Chelsea X.
name: Isopi, Giovanni
name: Kostov, Veselin B.
name: Kristiansen, Martti H.
name: Latham, David W.
name: Mallia, Franco
name: Mamajek, Eric E.
name: Mireles, Ismael
name: Quinn, Samuel N.
name: Ricker, George R.
name: Schulte, Jack
name: Seager, S.
name: Suissa, Gabrielle
name: Winn, Joshua N.
name: Youngblood, Allison
name: Zapparata, Aldo
Publisher: name: arXiv
Year: 2023
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We report the discovery of TOI-700 e, a 0.95 R$_\oplus$ planet residing in the Optimistic Habitable Zone (HZ) of its host star. This discovery was enabled by multiple years of monitoring from NASA's Transiting Exoplanet Survey Satellite (TESS) mission. The host star, TOI-700 (TIC 150428135), is a nearby (31.1 pc), inactive, M2.5 dwarf ($V_{mag} = 13.15$). TOI-700 is already known to host three planets, including the small, HZ planet, TOI-700 d. The new planet has an orbital period of 27.8 days and, based on its radius (0.95 R$_\oplus$), it is likely rocky. TOI-700 was observed for 21 sectors over Years 1 and 3 of the TESS mission, including 10 sectors at 20-second cadence in Year 3. Using this full set of TESS data and additional follow-up observations, we identify, validate, and characterize TOI-700 e. This discovery adds another world to the short list of small, HZ planets transiting nearby and bright host stars. Such systems, where the stars are bright enough that follow-up observations are possible to constrain planet masses and atmospheres using current and future facilities, are incredibly valuable. The presence of multiple small, HZ planets makes this system even more enticing for follow-up observations.
description: 16 pages, 4 figures, 2 tables, accepted for publication in ApJL
Manifold Learning with Approximate Nearest Neighbors
Creators: name: Cheng, Fan
name: Hyndman, Rob J
name: Panagiotelis, Anastasios
Publisher: name: Monash University
Year: 2022
Subjects: Econometric and statistical methods
Econometrics not elsewhere classified

description: Manifold learning algorithms are valuable tools for the analysis of high-dimensional data, many of which include a step where nearest neighbors of all observations are found. This can present a computational bottleneck when the number of observations is large or when the observations lie in more general metric spaces, such as statistical manifolds, which require all pairwise distances between observations to be computed. We resolve this problem by using a broad range of approximate nearest neighbor algorithms within manifold learing algorithms and evaluating their impact on embedding accuracy. We use approximate nearest neighbors for statistical maifolds by exploiting the connection between Hellinger/Total variation distance for discrete distributions and the L2/L1 norm. Via a thorough empirical investigation based on the benchmark MNIST dataset, it is shown that approximate nearest neighbors lead to substantial improvements in computational time with little to no loss in the accuracy of the embedding produced by a manifold learning algorithm. This result is robust to the use of different manifold learning algorithms, to the use of different approximate nearest neighbor algorithms, and to the use of different measures of embedding accuracy. The proposed method is applied to learning statistical manifolds data on distributions of electricity usage. This application demonstrates how the proposed methods can be used to visualize and identify anomalies and uncover underlying structure within high-dimensional data in a way that is scalable to large datasets.