cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Improved model of the Supernova Refsdal cluster MACS J1149.5+2223 thanks to VLT/MUSE
Creators: name: Schuldt, S.
name: Grillo, C.
name: Caminha, G. B.
name: Mercurio, A.
name: Rosati, P.
name: Morishita, T.
name: Stiavelli, M.
name: Suyu, S. H.
name: Bergamini, P.
name: Brescia, M.
name: Calura, F.
name: Meneghetti, M.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present new VLT/MUSE observations of the Hubble Frontier Field (HFF) galaxy cluster MACS J1149.5+2223, lensing the well-known supernova "Refsdal" into multiple images, which enabled the first cosmological applications with a strongly lensed supernova. Thanks to these data, targeting a northern region of the cluster and thus complementing our previous MUSE program on the cluster core, we release a new catalog containing 162 secure spectroscopic redshifts. We confirm 22 cluster members, which were previously only photometrically selected, and detect ten additional ones, resulting in a total of 308 secure members, of which 63% are spectroscopically confirmed. We further identify 17 new spectroscopic multiple images belonging to 6 different background sources. By exploiting MUSE data, in combination with the deep HFF images, we develop an improved total mass model of MACS J1149.5+2223. This model includes 308 total mass components for the member galaxies and requires four additional mass profiles, one of which is associated with a cluster galaxy overdensity identified in the North, representing the DM mass distribution on larger scales. The values of the resulting 34 free parameters are optimized based on the observed positions of 106 multiple images from 34 different families, that cover the redshift range between 1.240 and 5.983. Our final model has a multiple image position rms value of 0.39", which is well in agreement with that of other cluster lens models. With this refined mass model, we pave the way towards even better strong-lensing analyses that will exploit the deep and high resolution observations with HST and JWST on a pixel level in the region of the supernova Refsdal host. This will increase the number of observables by around two orders of magnitudes, thus offering us the opportunity of carrying out more precise and accurate cosmographic measurements.
description: 14 pages, 7 figures, 4+1 tables, published with A&A
Shadowing Effects on $J/ψ$ and $Υ$ Production at the LHC
Creators: name: Vogt, R.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Background: Proton-nucleus collisions have been used as a intermediate baseline for the determination of cold medium effects. They lie between proton-proton collisions in vacuum and nucleus-nucleus collisions which are expected to be dominated by hot matter effects. Modifications of the quark densities in nuclei relative to those of the proton are well established although those of the gluons in the nucleus are not well understood. We focus on the effect of these on quarkonium production in proton-lead collisions at the LHC at a center of mass energy of 5.02 TeV.
description: Uses structured abstract, see paper for full abstract; 37 pages, 26 figures
Synchronized shocks in an inhomogeneous exclusion process
Creators: name: Arita, Chikashi
Publisher: name: arXiv
Year: 2015
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Cellular Automata and Lattice Gases (nlin.CG)
subject: FOS: Physical sciences

description: We study an exclusion process with 4 segments, which was recently introduced by T Banerjee, N Sarkar and A Basu [J. Stat. Mech. (2015) P01024]. The segments have hopping rates 1, r(<1), 1 and r, respectively. In a certain parameter region, two shocks appear, which are not static but synchronized. We explore dynamical properties of each shock and correlation of shocks, by means of the so-called second-class particle. The mean-squared displacement of shocks has three diffusive regimes, and the asymptotic diffusion coefficient is different from the known formula. In some time interval, it also exhibits sub-diffusion, being proportional to t^{1/2} . Furthermore we introduce a correlation function and a crossover time, in order to quantitatively characterize the synchronization. We numerically estimate the dynamical exponent for the crossover time. We also revisit the 2-segment case and the open boundary condition for comparison.
description: 9 pages, 6 figures. v2: +3 references
VRS State Primary Exit Poll: Wisconsin Democratic Primary
Creators: name: ABC News
name: CBS News
name: CNN
name: NBC News
Publisher: name: Roper Center for Public Opinion Research
Year: 1992

description: Who did you vote for(1); who will win(1); qualities of the candidates (6); why did you vote the way you did(3); feelings toward the election (1); Brown's tax proposal(1); who will you vote for in November(1); do you agree with Brown's criticism of politics(1); opinion of government (1); opinion of legalized gambling are you better off then four years ago(2); welfare benefits to new residents(1).
Attitudes of School Librarians toward the Inclusion of Graphic Novels in School Library Collections
Creators: name: Priest, Ruffin
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2002
Subjects: Comic books
Graphic novels
Collection development
K-12 libraries

description: This study describes the responses in interviews of five school librarians toward including graphic novels in their school's library.  Each was presented with a set of 12 graphic novels and asked to determine if she would collect them, would not collect them, or was not certain. The librarians were willing overall to have graphic novels in school libraries.  Their decisions were based on the age group of students that they served.  However, their comments suggested unfamiliarity with the visual-verbal format and criteria for evaluation.  Further research on visual-verbal literacy needs to be completed and publicized, and librarians need to be educated about the skills necessary to read words and pictures together.
Raman study of lattice dynamics in Weyl semimetal TaAs
Creators: name: Liu, H. W.
name: Richard, P.
name: Song, Z. D.
name: Zhao, L. X.
name: Fang, Z.
name: Chen, G. -F.
name: Ding, H.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report a polarized Raman study of Weyl semimetal TaAs. We observe all the optical phonons, with energies and symmetries consistent with our first-principles calculations. We detect additional excitations assigned to multiple-phonon excitations. These excitations are accompanied by broad peaks separated by 140~cm$^{-1}$ that are also most likely associated with multiple-phonon excitations. We also noticed a sizable B$_1$ component for the spectral background, for which the origin remains unclear.
description: 5 pages, 3 figures
ประสบการณ์เกี่ยวกับโรคไข้เลือดออกในระดับมัธยมศึกษาของนักศึกษา สาขาวิทยาศาสตร์สุขภาพเมื่อแรกรับเข้าเรียนในมหาวิทยาลัยแห่งหนึ่ง
Creators: name: จรวย สุวรรณบำรุง
Publisher: name: มหาวิทยาลัยวลัยลักษณ์
Year: 2016
Subjects: ประสบการณ์เกี่ยวกับโรคไข้เลือดออก
ความรู้เรื่องโรคไข้เลือดออกระดับ มัธยมศึกษา
ความตระหนักของนักศึกษาสาขาวิทยาศาสตร์สุขภาพเรื่องโรคไข้เลือดออก

description: วารสารนวัตกรรมการเรียนรู้ มหาวิทยาลัยวลัยลักษณ์, 2, 2, 57-77
"The Mess is There": Digital Asset Management System Use in Non-Academic Archival Repositories
Creators: name: Neumeier, Lori
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014
Subjects: Digitization of archival materials
Digital asset management
Information storage & retrieval systems

description: A survey of non-academic archival repositories revealed that a majority of respondents are using digital asset management systems (DAMS) to manage digitized material. However, considering the barriers to DAMS use and the complexity of managing digitized content, DAMS is not a comprehensive solution for managing records, nor is there a clear replacement for DAMS. Lack of institutional support is identified as a main impediment to digital asset management and DAMS implementation, pointing to the importance of advocacy for digital asset management.
A conclusive non-detection of magnetic field in the Am star o Peg with high-precision near-infrared spectroscopy
Creators: name: Kochukhov, O.
name: Amarsi, A. M.
name: Lavail, A.
name: Ruh, H. L.
name: Hahlin, A.
name: Hatzes, A.
name: Nagel, E.
name: Piskunov, N.
name: Pouilly, K.
name: Reiners, A.
name: Rengel, M.
name: Seemann, U.
name: Shulyak, D.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The A-type metallic-line (Am) stars are typically considered to be non-magnetic or possessing very weak sub-G magnetic fields. This view has been repeatedly challenged in the literature, most commonly for the bright hot Am star o Peg. Several studies claimed to detect 1-2 kG field of unknown topology in this object, possibly indicating a new process of magnetic field generation in intermediate-mass stars. In this study, we revisit the evidence of a strong magnetic field in o Peg using new high-resolution spectropolarimetric observations and advanced spectral fitting techniques. The mean magnetic field strength in o Peg is estimated from the high-precision CRIRES+ measurement of near-infrared sulphur lines. This observation is modelled with a polarised radiative transfer code, including treatment of the departures from local thermodynamic equilibrium. In addition, the least-squares deconvolution multi-line technique is employed to derive longitudinal field measurements from archival optical spectropolarimetric observations of this star. Our analysis of the near-infrared S I lines reveals no evidence of Zeeman broadening, ruling out magnetic field with a strength exceeding 260 G. This null result is compatible with the relative intensification of Fe II lines in the optical spectrum taking into account blending and uncertain atomic parameters of the relevant diagnostic transitions. Longitudinal field measurements at three different nights also yield null results with a precision of 2 G. This study refutes the claims of kG-strength dipolar or tangled magnetic field in o Peg. This star is effectively non-magnetic, with the surface magnetic field characteristics no different from those of other Am stars.
description: 11 pages, 8 figures; accepted for publication in A&A
The future of cosmological likelihood-based inference: accelerated high-dimensional parameter estimation and model comparison
Creators: name: Piras, Davide
name: Polanska, Alicja
name: Mancini, Alessio Spurio
name: Price, Matthew A.
name: McEwen, Jason D.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Machine Learning (cs.LG)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: We advocate for a new paradigm of cosmological likelihood-based inference, leveraging recent developments in machine learning and its underlying technology, to accelerate Bayesian inference in high-dimensional settings. Specifically, we combine (i) emulation, where a machine learning model is trained to mimic cosmological observables, e.g. CosmoPower-JAX; (ii) differentiable and probabilistic programming, e.g. JAX and NumPyro, respectively; (iii) scalable Markov chain Monte Carlo (MCMC) sampling techniques that exploit gradients, e.g. Hamiltonian Monte Carlo; and (iv) decoupled and scalable Bayesian model selection techniques that compute the Bayesian evidence purely from posterior samples, e.g. the learned harmonic mean implemented in harmonic. This paradigm allows us to carry out a complete Bayesian analysis, including both parameter estimation and model selection, in a fraction of the time of traditional approaches. First, we demonstrate the application of this paradigm on a simulated cosmic shear analysis for a Stage IV survey in 37- and 39-dimensional parameter spaces, comparing $Λ$CDM and a dynamical dark energy model ($w_0w_a$CDM). We recover posterior contours and evidence estimates that are in excellent agreement with those computed by the traditional nested sampling approach while reducing the computational cost from 8 months on 48 CPU cores to 2 days on 12 GPUs. Second, we consider a joint analysis between three simulated next-generation surveys, each performing a 3x2pt analysis, resulting in 157- and 159-dimensional parameter spaces. Standard nested sampling techniques are simply unlikely to be feasible in this high-dimensional setting, requiring a projected 12 years of compute time on 48 CPU cores; on the other hand, the proposed approach only requires 8 days of compute time on 24 GPUs. All packages used in our analyses are publicly available.
description: 14 pages, 6 figures. Accepted for publication in the Open Journal of Astrophysics. Codes available at https://github.com/alessiospuriomancini/cosmopower, https://github.com/dpiras/cosmopower-jax, https://github.com/astro-informatics/harmonic/
Perbedaan Ekonomi Syariah dan Ekonomi Sosialisme
Creators: name: Wahid, Soleh Hasan
Publisher: name: Zenodo
Year: 2023
Subjects: ekonomi syariah
sosialisme
Ilmu ekonomi

description: Ekonomi Sosialisme didefinisikan sebagai sistem politik dan ekonomi yang menganjurkan kepemilikan kolektif dan kontrol atas alat produksi, distribusi, dan pertukaran barang dan jasa. Sistem ini bertujuan untuk menciptakan masyarakat tanpa kelas di mana kekayaan dan sumber daya didistribusikan secara merata di antara masyarakat. Pada dasarnya, sosialisme menekankan peran negara dalam mengendalikan aset-aset ekonomi.
Phase shifts of the light pseudoscalar meson and heavy meson scattering in heavy meson chiral perturbation theory
Creators: name: Huang, Bo-Lin
name: Lin, Zi-Yang
name: Chen, Kan
name: Zhu, Shi-Lin
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: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We calculate the complete $T$ matrices of the elastic light pseudoscalar meson and heavy meson scattering to the third order in heavy meson chiral perturbation theory. We determine the low-energy constants by fitting the phase shifts and scattering lengths from lattice QCD simulations simultaneously and predict the phase shifts at the physical meson masses. The phase shifts in the $Dπ(I=1/2)$, $DK(I=0)$, $D\bar{K}(I=0)$, $D_s\bar{K}$, $Dη$ and $D_sη$ $S$ waves are so strong that bound states or resonances may be generated dynamically in all these channels. The $DK(I=0)$ channel corresponds to the well-known exotic state $D_{s0}^{*}(2317)$. The $DK(I=0)$ channel corresponds to the well-known exotic state $D_{s0}^{*}(2317)$. The coupled-channel $Dπ$, $Dη$ and $D_s\bar{K}$ scattering corresponds to $D_{0}^{*}(2400)$. The coupled-channel $Dπ$, $Dη$ and $D_s\bar{K}$ scattering corresponds to $D_{0}^{*}(2400)$. We also predict the scattering lengths and scattering volumes and observe good convergence in the scattering volumes. Our calculations provide a possibility to accurately investigate the exotic state in the light pseudoscalar meson and heavy meson interactions.
description: 22 pages, 7 figures, 4 tables
Proof of the Ghahramani-Lau conjecture
Creators: name: Losert, Viktor
name: Neufang, Matthias
name: Pachl, Jan
name: Steprāns, Juris
Publisher: name: arXiv
Year: 2015
Subjects: subject: Functional Analysis (math.FA)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 43A10 (Primary) 28C10, 46E27 (Secondary)

description: The Ghahramani-Lau conjecture is established; in other words, the measure algebra of every locally compact group is strongly Arens irregular. To this end, we introduce and study certain new classes of measures (called approximately invariant, respectively, strongly singular) which are of interest in their own right. Moreover, we show that the same result holds for the measure algebra of any (not necessarily locally compact) Polish group.
Not-so Social Media: Citizen-Legislator Communications in the Digital Age
Creators: name: Peterson, Mary
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015
Subjects: Text mining
Twitter (Web site)

description: This exploratory analysis investigates how constituents talk to their members of Congress via the popular microblogging site, Twitter. An analysis was performed on roughly 3500 tweets sent to members of Congress over a 6-week period by developing a novel categorization system and then applying the categories both with human annotators and machine learning.
Oversampling code
Creators: name: Zhu, Lei
Publisher: name: figshare
Year: 2023
Subjects: classificationCode: 370199
subject: Atmospheric sciences not elsewhere classified

description: RegridPixels.f90 : Main script cakecut_m.f90 and tools_m.f90 : Two modules called by RegridPixels.f90 Method.pdf : A slide to explain the method used in RegridPixels.f90 input/ : Test case, OMI HCHO pixels 2013 Aug-Sep output/ : Test case, outputs using 0.1 and 0.5 degree resolution plot/ : An R script to plot the outputs, and two plots with 0.1 and 0.5 degree resolution. You may want to comapre your results with those plots, just to make sure the code works well.
Generalized Einstein Relations between Absorption and Emission Spectra at Thermodynamic Equilibrium
Creators: name: Ryu, Jisu
name: Yeola, Sarang
name: Jonas, David M.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We present Einstein coefficient spectra and a detailed-balance derivation of generalized Einstein relations between them that is based on the connection between spontaneous and stimulated emission. If two broadened levels or bands overlap in energy, transitions between them need not be purely absorptive or emissive. Consequently, spontaneous emission can occur in both transition directions, and four Einstein coefficient spectra replace the three Einstein coefficients for a line. At equilibrium, the four different spectra obey five pairwise relationships and one lineshape generates all four. These relationships are independent of molecular quantum statistics and predict the Stokes' shift between forward and reverse transitions required by equilibrium with blackbody radiation. For Boltzmann statistics, the relative strengths of forward and reverse transitions depend on the formal chemical potential difference between the initial and final bands, which becomes the standard chemical potential difference for ideal solutes. The formal chemical potential of a band replaces both the energy and degeneracy of a quantum level. Like the energies of quantum levels, the formal chemical potentials of bands obey the Rydberg-Ritz combination principle. Each stimulated Einstein coefficient spectrum gives a frequency-dependent transition cross section. Transition cross sections obey causality and a detailed-balance condition with spontaneous emission, but do not directly obey generalized Einstein relations. Even with an energetic width much less than the photon energy, an absorptive forward transition with an energetic width much greater than the thermal energy can have such an extreme Stokes' shift that its reverse transition cross section becomes predominantly absorptive rather than emissive.
description: 15 pages, 4 figures; changed "Bose statistics" to "Bose photon number distribution" and corrected equation in note 38; corrected derivatives to partial derivatives in group velocity and added missing acknowledgment section
Usability Study of Basic File Management on a Shared Storage System:  Usability Test on the Lifetime Library Web Interface
Creators: name: Kim, Si Eun
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013
Subjects: File Organization
Graphical user interfaces
Cloud storage

description: The purpose of this study is to understand usability of the web interface of the Lifetime Library, a shared storage system provided by the School of Information and Library Science at the University of North Carolina at Chapel Hill. Eight participants were recruited and were asked to perform a number of file management tasks, such as uploading a file, renaming a file, creating a folder, adding a tag, adding metadata, organizing a folder, and deleting a file, by using the Lifetime Library web interface. Task completion rate, task completion time, perceived difficulty, confidence in completion of task, number of clicks, and comments were collected to understand each task's usability. Partcipants' responses were measured using the System Usability Scale, and written comments were gathered to understand overall usability of the system. From the results, it was found that bulk uploading was the most difficult task for all participants. It was also found that the longer a task takes time to complete, the higher the tendency to perceive the task as difficult. The results of the study suggested areas for improvement in the usability of the current system, such as placement of menu items, consistency between the main menu and the side bar menu, clear right-click menu, and visibility of notification messages.
Flexible quasi-2D inversion of time-domain AEM data, using a wavelet-based complexity measure
Creators: name: Deleersnyder, Wouter
name: Maveau, Benjamin
name: Dudal, David
name: Hermans, Thomas
Publisher: name: arXiv
Year: 2022
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Regularization methods improve the stability of ill-posed inverse problems by introducing some a priori characteristics for the solution such as smoothness or sharpness. In this contribution, we propose a multidimensional, scale-dependent wavelet-based L1-regularization term to cure the ill-posedness of the airborne (time-domain) electromagnetic induction inverse problem. The regularization term is flexible, as it can recover blocky, smooth and tunable in-between inversion models, based on a suitable wavelet basis function. For each orientation, a different wavelet basis function can be used, introducing an additional relative regularization parameter. We propose a calibration method to determine (an educated initial guess for) this relative regularization parameter, which reduces the need to optimize for this parameter, and, consequently, the overall computation time is under control. We apply our novel scheme to a time-domain airborne electromagnetic data set in Belgian saltwater intrusion context, but the scheme could equally apply to any other 2D or 3D geophysical inverse problem.
The Intrabinary Shock and Companion Star of Redback Pulsar J2215+5135
Creators: name: Sullivan, Andrew G.
name: Romani, Roger W.
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: PSR J2215+5135 (J2215) is a `redback' spider pulsar, where the intrabinary shock (IBS) wraps around the pulsar rather than the stellar-mass companion. Spider orbital light curves are modulated, dominated by their binary companion thermal emission in the optical bands and by IBS synchrotron emission in the X-rays. We report on new XMM-Newton X-ray and U-band observations of J2215. We produce orbital light curves and use them to model the system properties. Our best-fit optical light model gives a neutron star mass $M_{NS}=1.98\pm0.08$ M$_\odot$, lower than previously reported. However, uncertainty in the stellar atmosphere metallicity, a parameter to which J2215 is unusually sensitive, requires us to consider an acceptable systematic plus statistical range of $M_{NS}\sim1.85-2.3$ M$_\odot$. From the X-ray analysis, we find that the IBS wraps around the pulsar, but with a pulsar wind to companion wind momentum ratio unusually close to unity, implying a flatter IBS geometry than seen in other spiders. Estimating the companion wind momentum and speed from the X-ray light curve, we find a companion mass-loss rate of ${\dot M}_c\gtrsim10^{-10}$ M$_\odot$ yr$^{-1}$, so that J2215 may become an isolated millisecond pulsar in $\sim 1$ Gyr. Our X-ray analyses place constraints on the magnetization and particle density of the pulsar wind and support models of magnetic reconnection and particle acceleration in the highly magnetized relativistic IBS.
description: 9 pages, 5 figures, 3 tables; Version to appear in ApJ
Textual Explanations and Critiques in Recommendation Systems
Creators: name: Antognini, Diego
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Computation and Language (cs.CL)
subject: Information Retrieval (cs.IR)
subject: FOS: Computer and information sciences

description: Artificial intelligence and machine learning algorithms have become ubiquitous. Although they offer a wide range of benefits, their adoption in decision-critical fields is limited by their lack of interpretability, particularly with textual data. Moreover, with more data available than ever before, it has become increasingly important to explain automated predictions. Generally, users find it difficult to understand the underlying computational processes and interact with the models, especially when the models fail to generate the outcomes or explanations, or both, correctly. This problem highlights the growing need for users to better understand the models' inner workings and gain control over their actions. This dissertation focuses on two fundamental challenges of addressing this need. The first involves explanation generation: inferring high-quality explanations from text documents in a scalable and data-driven manner. The second challenge consists in making explanations actionable, and we refer to it as critiquing. This dissertation examines two important applications in natural language processing and recommendation tasks. Overall, we demonstrate that interpretability does not come at the cost of reduced performance in two consequential applications. Our framework is applicable to other fields as well. This dissertation presents an effective means of closing the gap between promise and practice in artificial intelligence.
description: Ph.D. Thesis, Ecole Polytechnique F\'ed\'erale de Lausanne (EPFL). See https://infoscience.epfl.ch/record/292597 for the original version. This current version fixes two references
Cosmology-friendly time-varying neutrino masses via the sterile neutrino portal
Creators: name: Huang, Guo-yuan
name: Lindner, Manfred
name: Martínez-Miravé, Pablo
name: Sen, Manibrata
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We investigate a consistent scenario of time-varying neutrino masses, and discuss its impact on cosmology, beta decay, and neutrino oscillation experiments. Such time-varying masses are assumed to be generated by the coupling between a sterile neutrino and an ultralight scalar field, which in turn affects the light neutrinos by mixing. Besides, the scalar could act as an ultralight dark matter candidate. We demonstrate how various cosmological bounds, such as those coming from Big Bang nucleosynthesis, the cosmic microwave background, as well as large scale structures, can be evaded in this model. This scenario can be further constrained using multiple terrestrial experiments. In particular, for beta-decay experiments like KATRIN, non-trivial distortions to the electron spectrum can be induced, even when time-variation is fast and gets averaged out. Furthermore, the presence of time-varying masses of sterile neutrinos will alter the interpretation of light sterile neutrino parameter space in the context of the reactor and gallium anomalies. In addition, we also study the impact of such time-varying neutrino masses on results from the BEST collaboration, which have recently strengthened the gallium anomaly. If confirmed, we find that the time-varying neutrino mass hypothesis could give a better fit to the recent BEST data.
description: 20 pages, 9 figures, updated, new references, change in notation
The Use of Web 2.0 for Readers' Advisory Service on North Carolina Public Library Websites
Creators: name: Winston, Christina T.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2009
Subjects: Public libraries--North Carolina
Reader guidance
Web 2.0--Library applications

description: The modern public library seeks to foster literacy and education, and forge lasting relationships with members of its community. Readers' advisory service is a popular way to meet this goal. Web 2.0 is playing an increasingly important role in online library services. This study is a content analysis of a sample of 84 public library websites in North Carolina to determine the current level of use of Web 2.0 for readers' advisory. The results show that 65 public library websites in North Carolina offer readers' advisory services online; 7 of those websites are using Web 2.0 technologies to provide readers' advisory services online. The author concludes that these seven sites are good examples of how to implement Web 2.0 for readers' advisory. Other North Carolina public libraries can learn from these websites, though further research is needed to gain the perspectives of users.
Compatibility of semisimple local Langlands parameters with parahoric Satake parameters
Creators: name: Li, Qihang
Publisher: name: arXiv
Year: 2022
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics

description: In this paper, we prove that there is at most one correspondence between parahoric-spherical representations and semisimple local Langlands parameters which satisfies certain natural properties. Our proof of this uniqueness statement is very formal. In particular, the semisimple local Langlands parameters constructed by Fargues and Scholze yield the unique candidate for such representations. As a corollary, we prove a conjecture which posits the compatibility of semisimple local Langlands parameters with parahoric Satake parameters.
description: 11 pages. Comments are welcome! Some typos were corrected in this version. The accepted version is slightly different from this version (with some small changes to section 3 and some typos fixed). The accepted version was published in Manuscripta Mathematica (2022)
การพัฒนาการให้การบริการของธุรกิจรีสอร์ตที่เป็นมิตรกับสิ่งแวดล้อม: แนวทางจากเสียงสะท้อนของลูกค้า
Creators: name: ชงค์สุดา โตท่าโรง
Publisher: name: คณะวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี
Year: 2566
Subjects: รีสอรต์ที่เป็นมิตรกับสิ่งแวดล้อม
โรงแรมสีเขียว
เสียงสะท้อนจากลูกค้า

description: วารสารวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี, 5, 3, 1-15
Optimized Cost Per Click in Online Advertising: A Theoretical Analysis
Creators: name: Zhang, Kaichen
name: Yuan, Zixuan
name: Xiong, Hui
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Science and Game Theory (cs.GT)
subject: Theoretical Economics (econ.TH)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business

description: In recent years, Optimized Cost Per Click (OCPC) and Optimized Cost Per Mille (OCPM) have emerged as the most widely adopted pricing models in the online advertising industry. However, the existing literature has yet to identify the specific conditions under which these models outperform traditional pricing models like Cost Per Click (CPC) and Cost Per Action (CPA). To fill the gap, this paper builds an economic model that compares OCPC with CPC and CPA theoretically, which incorporates out-site scenarios and outside options as two key factors. Our analysis reveals that OCPC can effectively replace CPA by tackling the problem of advertisers strategically manipulating conversion reporting in out-site scenarios where conversions occur outside the advertising platform. Furthermore, OCPC exhibits the potential to surpass CPC in platform payoffs by providing higher advertiser payoffs and consequently attracting more advertisers. However, if advertisers have less competitive outside options and consistently stay in the focal platform, the platform may achieve higher payoffs using CPC. Our findings deliver valuable insights for online advertising platforms in selecting optimal pricing models, and provide recommendations for further enhancing their payoffs. To the best of our knowledge, this is the first study to analyze OCPC from an economic perspective. Moreover, our analysis can be applied to the OCPM model as well.
description: Accepted by SIGKDD2024 Research Track
การวิเคราะห์องค์ประกอบเชิงสำรวจปัจจัยที่ส่งผลต่อกระบวนการตัดสินใจใช้บริการการจัดส่งอาหารผ่านแอปพลิเคชันของผู้บริโภคในจังหวัดอุบลราชธานี
Creators: name: ปฏิญญา รัตนนุกรม
Publisher: name: คณะวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี
Year: 2566
Subjects: ปัจจัยภายใน
ปัจจัยภายนอก
กระบวนการตัดสินใจ
การจัดส่งอาหารผ่านแอปพลิเคชัน

description: วารสารวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี, 5, 3, 17-32
On what points do reference patrons and reference librarians agree in evaluating reference works?
Creators: name: O'Kelly, Kevin
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2000
Subjects: Reference books--Evaluation
Reference books--Patron opinions

description: The perspective of the patron is conspicuously absent from the literature of reference work evaluation.  However, as demonstrated by the success of reference works on the commercial market, the general public has some interest in reference works.  This exploratory study reports the results of reference patrons being asked to examine and evaluate reference works recommended by a mixture of public and academic librarians.  The results indicate that while patrons do have strong opinions about reference works, they often have difficulty grasping the potential usefulness of many sources.  The study results suggest the need for greater communication between reference patrons and reference librarians.
CBS News/New York Times Poll: Alabama Democratic Primary Day Exit Poll
Creators: name: CBS News
name: New York Times
Publisher: name: Roper Center for Public Opinion Research
Year: 2018

description: Presidential Primary vote(1); reasons for candidate choice(2); presidential candidates(5); strength of candidate choice(1); Reagan's job performance(1); 1984 presidential vote(1); hypothetical 1988 presidential vote(1).
Collective Tagging of Places in the Multi-user Virtual Environment of Second Life
Creators: name: Taylor, Arthur L.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007
Subjects: Surveys--Multi-user Virtual Environments
Collective tagging--Multi-user Virtual Environments
Second Life--metadata
Keywords--Multi-user Virtual Environments
Metadata--Multi-user Virtual Environments

description: Life is a multi-user virtual environment, i.e., a world made up of virtual places and avatars that move among and interact in those places. Thirty-one users of Second Life were surveyed about one place in which they are members: Terra's Nude Heaven, a virtual nude beach. The purpose of the survey was to determine what types of terms users would select if they could tag a particular place and how these terms correspond to the tags actually assigned by the owners of the place. The questionnaire data was also analyzed for difference in tag selection by gender, educational level, age, and country of residence. The data indicate that keywords rated as most important by the users of a place differ considerably from the keywords selected by the owner of a place. The data, moreover, demonstrate that the choices of the study population remain consistent across groupings by gender, educational level,age or country of residence.
CBS News/New York Times Poll: Arkansas Republican Primary Day Exit Poll
Creators: name: CBS News
name: New York Times
Publisher: name: Roper Center for Public Opinion Research
Year: 1989

description: Presidential primary vote(1); reasons for candidate choice(2); presidential candidates(4); strength of candidate choice(1); Reagan's job performance(1); 1984 presidential vote(1); hypothetical 1988 presidential vote(1).
Is quantum computing green? An estimate for an energy-efficiency quantum advantage
Creators: name: Jaschke, Daniel
name: Montangero, Simone
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The quantum advantage threshold determines when a quantum processing unit (QPU) is more efficient with respect to classical computing hardware in terms of algorithmic complexity. The "green" quantum advantage threshold $-$ based on a comparison of energetic efficiency between the two $-$ is going to play a fundamental role in the comparison between quantum and classical hardware. Indeed, its characterization would enable better decisions on energy-saving strategies, e.g. for distributing the workload in hybrid quantum-classical algorithms. Here, we show that the green quantum advantage threshold crucially depends on (i) the quality of the experimental quantum gates and (ii) the entanglement generated in the QPU. Indeed, for NISQ hardware and algorithms requiring a moderate amount of entanglement, a classical tensor network emulation can be more energy-efficient at equal final state fidelity than quantum computation. We compute the green quantum advantage threshold for a few paradigmatic examples in terms of algorithms and hardware platforms, and identify algorithms with a power-law decay of singular values of bipartitions $-$ with power-law exponent $α\lesssim 1$ $-$ as the green quantum advantage threshold in the near future.
description: 12 pages, 7 figures, 2 table; minor revisions in comparison to v1, e.g., one additional table
Comparing eccentric waveform models based on post-Newtonian and effective-one-body approaches, over an observationally relevant parameter space
Creators: name: Kacskovics, Balázs
name: Barta, Dániel
Publisher: name: arXiv
Year: 2024
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We used two numerical models, namely the \texttt{CBwaves} and \texttt{SEOBNRE} algorithms, based on the post-Newtonian and effective-one-body approaches for binary black holes evolving on eccentric orbits. We performed 20.000 new simulations for non-spinning and 240.000 simulations for aligned-spin configurations on a common grid of parameter values over the parameter space spanned by the mass ratio $q\equiv m_1/m_2\in[0.1,\,1]$, the gravitational mass $m_i \in [10M_\odot,\, 100M_\odot]$ of each component labeled by $i$, the corresponding spin magnitude $S_i \in [0,\,0.6]$ and a constant initial orbital eccentricity $e_{0}$. A detailed investigation was conducted to ascertain whether there was a discrepancy in the waveforms generated by the two codes. This involved an in-depth analysis of the mismatch. Furthermore, an extensive comparison was carried out on the outlier points between the two codes.
description: 25 pages, 8 figures
Increasing Fault Tolerance and Throughput with Adaptive Control Plane in Smart Factories
Creators: name: Phung, Cao Vien
name: Jukan, Admela
Publisher: name: arXiv
Year: 2022
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Future smart factories are expected to deploy an emerging dynamic Virtual Reality (VR) applications with high bandwidth wireless connections in the THz communication bands, where a factory worker can follow activities through 360°video streams with high quality resolution. THz communications, while promising as a high bandwidth wireless communication technology, are however known for low fault tolerance, and are sensible to external factors. Since THz channel states are in general hard to estimate, what is needed is a system that can adaptively react to transceiver configurations in terms of coding and modulation. To this end, we propose an adaptive control plane that can help us configure the THz communication system. The control plane implements a workflow algorithm designed to adaptively choose between various coding and modulation schemes depending on THz channel states. The results show that an adaptive control plane can improve throughput and signal resolution quality, with theoretically zeroed bit error probability and a maximum achievable throughput in the scenarios analayzed.
description: This paper is uploaded here for research community, thus it is for non-commercial purposes
ปัจจัยทางการบริหารจัดการที่มีอิทธิพลต่อการตัดสินใจเข้าศึกษาในโรงเรียนเทคนิคอาชีวศึกษา LIU ZHOU แห่งที่ 2 มณฑล GUANG XI สาธารณรัฐประชาชนจีน
Creators: name: ฮวง เหวินซิน
Publisher: name: คณะวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี
Year: 2566
Subjects: ปัจจัยทางการบริหารจัดการ
การตัดสินใจเข้าศึกษา
โรงเรียนเทคนิคอาชีวศึกษาหลิวโจว

description: วารสารวิทยาการจัดการ มหาวิทยาลัยราชภัฏอุดรธานี, 5, 3, 33-43
CBS News/New York Times Poll: October National Survey
Creators: name: CBS News
name: New York Times
Publisher: name: Roper Center for Public Opinion Research
Year: 1993

description: Bush job performance(4); political interest(2); voter registration(1); opinion of political leaders(8); voting intention(7); evaluation of Congress(1); support for candidates(2); candidates(28); evaluation of government policies(1); economy(4); voting record(5); party preference(2); ideology(1); presidential campaign(3); debates(3); government(3).
Tailored nano-antennas for directional Raman studies of individual carbon nanotubes
Creators: name: Paradiso, Nicola
name: Yaghobian, Fatemeh
name: Lange, Christoph
name: Korn, Tobias
name: Schüller, Christian
name: Huber, Rupert
name: Strunk, Christoph
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We exploit the near field enhancement of nano-antennas to investigate the Raman spectra of otherwise not optically detectable carbon nanotubes (CNTs). We demonstrate that a top-down fabrication approach is particularly promising when applied to CNTs, owing to the sharp dependence of the scattered intensity on the angle between incident light polarization and CNT axis. In contrast to tip enhancement techniques, our method enables us to control the light polarization in the sample plane, locally amplifying and rotating the incident field and hence optimizing the Raman signal. Such promising features are confirmed by numerical simulations presented here. The relative ease of fabrication and alignment makes this technique suitable for the realization of integrated devices that combine scanning probe, optical, and transport characterization.
Near subsonic solar wind outflow from an active region
Creators: name: Ervin, Tamar
name: Bale, Stuart D.
name: Badman, Samuel T.
name: Bowen, Trevor A.
name: Riley, Pete
name: Paulson, Kristoff
name: Rivera, Yeimy J.
name: Romeo, Orlando
name: Sioulas, Nikos
name: Larson, Davin E.
name: Verniero, Jaye L.
name: Dewey, Ryan M.
name: Huang, Jia
Publisher: name: arXiv
Year: 2024
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: During Parker Solar Probe (Parker) Encounter 15 (E15), we observe an 18-hour period of near subsonic ($\mathrm{M_S \sim}$ 1) and sub-Alfvénic (SA), $\mathrm{M_A}$ <<< 1, slow speed solar wind from 22 to 15.6 R$_\odot$. As the most extreme SA interval measured to date and skirting the solar wind sonic point, it is the deepest Parker has probed into the formation and acceleration region of the solar wind in the corona. The stream is also measured by Wind and MMS near 1AU at times consistent with ballistic propagation of this slow stream. We investigate the stream source, properties and potential coronal heating consequences via combining these observations with coronal modeling and turbulence analysis. Through source mapping, in situ evidence and multi-point arrival time considerations of a candidate CME, we determine the stream is a steady (non-transient), long-lived and approximately Parker spiral aligned and arises from overexpanded field lines mapping back to an active region. Turbulence analysis of the Elsässer variables shows the inertial range scaling of the $\mathrm{\mathbf{z}^{+}}$ mode ($\mathrm{f \sim ^{-3/2}}$) to be dominated by the slab component. We discuss the spectral flattening and difficulties associated with measuring the $\mathrm{\mathbf{z}^{-}}$ spectra, cautioning against making definitive conclusions from the $\mathrm{\mathbf{z}^{-}}$ mode. Despite being more extreme than prior sub-Alfvénic intervals, its turbulent nature does not appear to be qualitatively different from previously observed streams. We conclude that this extreme low dynamic pressure solar wind interval (which has the potential for extreme space weather conditions) is a large, steady structure spanning at least to 1AU.
description: 14 figures
DAIRSACC - Do Acronyms Influence Reading Speed and Content Comprehension?
Creators: name: Beres, Tibor
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007
Subjects: Acronyms
Reading performance
Acronym disambiguation
Content comprehension

description: Acronyms, initialisms and other types of abbreviations are frequently used in scientific, academic, governmental and administrative setting to shorten lengthy terminology and nomenclature. While they can make a text easier to read for people familiar with the abbreviations, they can add to the text's inherent difficulty and impede comprehension for those who are not familiar with their meaning. The phenomenon of acronym polynymy (multiple definitions associated with the same acronym) can create confusion and add to the cognitive load associated with understanding the text. The current practice of defining acronyms only once, when introduced can result in readers scrolling back and forth in the text looking for acronym definitions, increasing the cognitive load and negatively affect reading speed and content comprehension. The purpose of this research was to study if the presence of a large number of acronyms in a text impedes reading performance. The current study also investigated if providing easy access to acronym definitions via hover text would alleviate comprehension problems caused by unknown acronyms in the text. The hypothesis was that by enabling fast acronym disambiguation, and eliminating the need to scroll for acronym definitions, the hover functionality would enhance reading speed and content comprehension. The results of the experiment are analyzed and recommendations for future investigations of the acronym problem are formulated.
Gauss-Bonnet Cosmology: large-temperature behaviour and bounds from Gravitational Waves
Creators: name: Biswas, Anirban
name: Kar, Arpan
name: Lee, Bum-Hoon
name: Lee, Hocheol
name: Lee, Wonwoo
name: Scopel, Stefano
name: Velasco-Sevilla, Liliana
name: Yin, Lu
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We provide a transparent discussion of the high temperature asymptotic behaviour of Cosmology in a dilaton-Einstein-Gauss-Bonnet (dEGB) scenario of modified gravity with vanishing scalar potential. In particular, we show that it has a clear interpretation in terms of only three attractors (stable critical points) of a set of autonomous differential equations: $w=-\frac{1}{3}$, $w=1$ and $1
description: 40 pages, 15 figures and one table. Updated to published version