cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Circumbinary discs: Numerical and physical behaviour
Creators: name: Thun, Daniel
name: Kley, Wilhelm
name: Picogna, Giovanni
Publisher: name: arXiv
Year: 2017
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We study the evolution of circumbinary disks under the gravitational influence of the binary using two-dimensional hydrodynamical simulations to investigate the impact of disk and binary parameters on the dynamical aspects of the disk. To distinguish between physical and numerical effects we apply three hydrodynamical codes. First we analyse in detail numerical issues concerning the conditions at the boundaries and grid resolution. We then perform a series of simulations with different binary (eccentricity, mass ratio) and disk parameters (viscosity, aspect ratio) starting from a reference model with Kepler-16 parameters. Concerning the numerical aspects we find that the inner grid radius must be of the order of the binary semi-major axis, with free outflow conditions applied such that mass can flow onto the central binary. A closed inner boundary leads to unstable evolutions. We find that the inner disk turns eccentric and precesses for all investigated physical parameters. The precession rate is slow with periods ($T_\mathrm{prec}$) starting at around 500 binary orbits ($T_\mathrm{bin}$) for high viscosity and large $H/R$ where the inner hole is smaller and more circular. Reducing $α$ and $H/R$ increases the gap size and $T_\mathrm{prec}$ reaches 2500 $T_\mathrm{bin}$. For varying binary mass ratios $q_\mathrm{bin}$ the gap size remains constant whereas $T_\mathrm{prec}$ decreases for increasing $q_\mathrm{bin}$. For varying binary eccentricities $e_\mathrm{bin}$ we find two separate branches in the gap size and eccentricity diagram. The bifurcation occurs at around $e_\mathrm{crit} \approx 0.18$ where the gap is smallest with the shortest $T_\mathrm{prec}$. For $e_\mathrm{bin}$ smaller and larger than $e_\mathrm{crit}$ the gap size and $T_\mathrm{prec}$ increase. Circular binaries create the most eccentric disks.
description: 20 pages, 25 figures, published in A&A, language edited version
Interface induced spin-orbit interaction in silicon quantum dots and prospects for scalability
Creators: name: Ferdous, Rifat
name: Chan, Kok W.
name: Veldhorst, Menno
name: Hwang, J. C. C.
name: Yang, C. H.
name: Klimeck, Gerhard
name: Morello, Andrea
name: Dzurak, Andrew S.
name: Rahman, Rajib
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We identify the presence of monoatomic steps at the Si/SiGe or Si/SiO$_2$ interface as a dominant source of variations in the dephasing time of Si quantum dot (QD) spin qubits. First, using atomistc tight-binding calculations we show that the g-factors and their Stark shifts undergo variations due to these steps. We compare our theoretical predictions with experiments on QDs at a Si/SiO$_2$ interface, in which we observe significant differences in Stark shifts between QDs in two different samples. We also experimentally observe variations in the $g$-factors of one-electron and three-electron spin qubits realized in three neighboring QDs on the same sample, at a level consistent with our calculations. The dephasing times of these qubits also vary, most likely due to their varying sensitivity to charge noise, resulting from different interface conditions. More importantly, from our calculations we show that by employing the anisotropic nature of the spin-orbit interaction (SOI) in a Si QD, we can minimize and control these variations. Ultimately, we predict that the dephasing times of the Si QD spin qubits will be anisotropic and can be improved by at least an order of magnitude, by aligning the external DC magnetic field towards specific crystal directions.
description: 5 pages, 3 figures, Supplemental Material (3 pages, 2 figures)
Synthesis and characterization of new quinolinyl phenol based polybenzoxazine: thermal stability, hydrophobicity and corrosion resistant properties
Creators: name: Chinnamuthu, Roja
name: Madesh, Priyanka
name: Arumugam, Hariharan
name: Krishnasamy, Balaji
name: Govindraj, Latha
name: Jaganathan, Mallika
name: Muthukaruppan, Alagar
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: 60506 Virology
subject: FOS: Biological sciences

description: A new class of quinolinyl phenol-based benzoxazines (QP-a, QP-cha, QP-2eha) were synthesized by using quinolinyl phenol [4-(6-chloro-4-phenylquinoline-2-yl)phenol] with three structurally distinct amines, namely aniline (a), cyclohexylamine (cha), and 2-ethylhexylamine (2eha) through Mannich condensation reaction using an appropriate solvent and reaction conditions. By using FTIR and 1H-NMR spectroscopy methods, the molecular structures of the benzoxazines QP-a, QP-cha, and QP-2eha were identified. From the differential scanning calorimetry (DSC) analysis, the exothermic peak maximum of benzoxazine monomers viz., QP-a, QP-cha, QP-2eha were observed at 218, 202 and 187 °C respectively. The thermogram obtained from TGA studies the amount of char yield obtained for poly(QP-a), poly(QP-cha) and poly(QP-2eha) were found to be 45, 24, and 32%, respectively. The value of limiting oxygen index (LOI) for polybenzoxazines was calculated using the value of percentage char yield obtained from TGA studies infer that these benzoxazines exhibit good flame-retardant characteristics. Data from water contact angle studies ascertain that these samples possess good hydrophobic properties in the range of 129–138°. Results from corrosion studies infer that the mild steel specimens coated with these benzoxazines were found to be more stable and offer better surface protection against corrosion under the conditions studied.
Additional file 1 of Antimicrobial Evaluation of Sequentially extracted Leaf of Vernonia auriculifera Hiern (Rejicho)
Creators: name: Wado, Teshale Etiso
name: Suleman, Sultan
name: Mohammed, Tesfaye
Publisher: name: figshare
Year: 2022
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: Plant Biology

description: Additional file 1.
FIRE-RES Data Management Plan
Creators: name: Aguiar Castro
Publisher: name: Zenodo
Year: 2023
Subjects: Data Management Plan
FAIR Data
Research Data Management
FIRE-RES

description: Funded under the European H2020 research and innovation programme, FIRE-RES project aims to enhance the transition of the European Union towards a fire-resilient continent over the 2021-2025 period. It is expected that Horizon 2020 beneficiaries make their data findable, accessible, interoperable and reusable (FAIR). This requires research data to be soundly managed. The Data Management Plan (DMP) is a key element of good data management, describing the necessary activities to make data as FAIR as possible. This deliverable outline good data management practice to be adopted during the FIRE-RES project.
Enhanced characterization of the chemical structure of high-density polyethylene by size exclusion/thermal fractionation on poly(styrene-co-divinylbenzene) columns
Creators: name: Boborodea, A.
name: Boulens, P.
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Developmental Biology

description: Following the recent trends in polymer analysis, a novel fractionation method was developed using xylene as an alternative to trichlorobenzene (TCB) and offering a more exhaustive characterization of the chemical structure of high-density polyethylene (HDPE). The method is based on a linearized evaporative light scattering detector (LinELSD), which has a much better signal-to-noise for the solutions of HDPE in xylene, as compared with the traditional differential refractive index (DRI) and infrared (IR) detectors. The low viscosity of xylene opens the possibility to use the poly(styrene-co-divinylbenzene) (PS-DVB) columns not only for gel permeation chromatography (GPC) but also for temperature-rising elution fractionation (TREF). An immediate application is the simultaneous measurement of the wax fraction’s content and molecular weight (MW) in HDPE. Furthermore, there are strong indications that the thermogram profile corresponding to the isothermal extraction at 70 °C provides a fingerprint of the HDPE synthesis catalyst.
An Optics-Based Approach to Thermal Management of Photovoltaics: Selective-Spectral and Radiative Cooling
Creators: name: Sun, Xingshu
name: Silverman, Timothy J
name: Zhou, Zhiguang
name: Khan, Mohammad Ryyan
name: Bermel, Peter
name: Alam, Muhammad Ashraful
Publisher: name: arXiv
Year: 2017
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: For commercial one-sun solar modules, up to 80% of the incoming sunlight may be dissipated as heat, potentially raising the temperature 20 C - 30 C higher than the ambient. In the long term, extreme self-heating erodes efficiency and shortens lifetime, thereby dramatically reducing the total energy output. Therefore, it is critically important to develop effective and practical (and preferably passive) cooling methods to reduce operating temperature of PV modules. In this paper, we explore two fundamental (but often overlooked) origins of PV self-heating, namely, sub-bandgap absorption and imperfect thermal radiation. The analysis suggests that we redesign the optical properties of the solar module to eliminate parasitic absorption (selective-spectral cooling) and enhance thermal emission (radiative cooling). Our Comprehensive opto-electro-thermal simulation shows that the proposed techniques would cool the one-sun and low-concentrated terrestrial solar modules up to 10 C and 20 C, respectively. This self-cooling would substantially extend the lifetime for solar modules, with The corresponding increase in energy yields and reduced LCOE.
description: Discussion of low concentration PV is added
Topological transconductance quantization in a four-terminal Josephson junction
Creators: name: Eriksson, Erik
name: Riwar, Roman-Pascal
name: Houzet, Manuel
name: Meyer, Julia S.
name: Nazarov, Yuli V.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Recently we predicted that the Andreev bound state spectrum of 4-terminal Josephson junctions may possess topologically protected zero-energy Weyl singularities, which manifest themselves in a quantized transconductance in units of $4e^2/h$ when two of the terminals are voltage biased [R.-P. Riwar et al., Nature Commun. 7, 11167 (2016)]. Here, using the Landauer-Büttiker scattering theory, we compute numerically the currents flowing through such a structure in order to assess the conditions for observing this effect. We show that the voltage below which the transconductance becomes quantized is determined by the interplay of non-adiabatic transitions between Andreev bound states and inelastic relaxation processes. We demonstrate that the topological quantization of the transconductance can be observed at voltages of the order of $10^{-2} Δ/e$, $Δ$ being the superconducting gap in the leads.
description: 11 pages, 12 figures; the inset in the top of Fig. 3 is corrected compared with the published version
Dispersion of the time spent in a state: General expression for unicyclic model and dissipation-less precision
Creators: name: Ray, Somrita
name: Barato, Andre C.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We compare the relation between dispersion and dissipation for two random variables that can be used to characterize the precision of a Brownian clock. The first random variable is the current between states. In this case, a certain precision requires a minimal energetic cost determined by a known thermodynamic uncertainty relation. We introduce a second random variable that is a certain linear combination of two random variables, each of which is the time a stochastic trajectory spends in a state. Whereas the first moment of this random variable is equal to the average probability current, its dispersion is generally different from the dispersion associated with the current. Remarkably, for this second random variable a certain precision can be obtained with an arbitrarily low energy dissipation, in contrast to the thermodynamic uncertainty relation for the current. As a main technical achievement, we provide an exact expression for the dispersion related to the time that a stochastic trajectory spends in a cluster of states for a general unicyclic network.
description: 17 pages, 1 figure
Additional file 1 of Community engagement in kidney research: Guatemalan experience
Creators: name: Aguilar-González, Angie
name: Lou-Meda, Randall
name: Chocó-Cedillos, André
name: Moist, Louise
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: Marine Biology
subject: Science Policy

description: Additional file 1. Spanish version of community engagement assessment (Quantitative questionnaire). Spanish version of community engagement assessment (Qualitative questionnaire).
Phantom: A smoothed particle hydrodynamics and magnetohydrodynamics code for astrophysics
Creators: name: Price, Daniel J.
name: Wurster, James
name: Tricco, Terrence S.
name: Nixon, Chris
name: Toupin, Stéven
name: Pettitt, Alex
name: Chan, Conrad
name: Mentiplay, Daniel
name: Laibe, Guillaume
name: Glover, Simon
name: Dobbs, Clare
name: Nealon, Rebecca
name: Liptai, David
name: Worpel, Hauke
name: Bonnerot, Clément
name: Dipierro, Giovanni
name: Ballabio, Giulia
name: Ragusa, Enrico
name: Federrath, Christoph
name: Iaconi, Roberto
name: Reichardt, Thomas
name: Forgan, Duncan
name: Hutchison, Mark
name: Constantino, Thomas
name: Ayliffe, Ben
name: Hirsh, Kieran
name: Lodato, Giuseppe
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present Phantom, a fast, parallel, modular and low-memory smoothed particle hydrodynamics and magnetohydrodynamics code developed over the last decade for astrophysical applications in three dimensions. The code has been developed with a focus on stellar, galactic, planetary and high energy astrophysics and has already been used widely for studies of accretion discs and turbulence, from the birth of planets to how black holes accrete. Here we describe and test the core algorithms as well as modules for magnetohydrodynamics, self-gravity, sink particles, H_2 chemistry, dust-gas mixtures, physical viscosity, external forces including numerous galactic potentials as well as implementations of Lense-Thirring precession, Poynting-Robertson drag and stochastic turbulent driving. Phantom is hereby made publicly available.
description: 88 pages, 60 figures, accepted to PASA. Code available from https://phantomsph.bitbucket.io/
ประสิทธิภาพการบำบัดสารซีโอดีของน้ำเสียจากโรงล้างขยะถุงพลาสติกโดยการเติมโอโซน
Creators: name: ชุติมา นามวิเศษ
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2022
Subjects: การเติมโอโซน
การบำบัดน้ำเสีย
โรงงานล้างขยะถุงพลาสติก

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้, 13, 2, 301-312
Constrained superfields from inflation to reheating
Creators: name: Dalianis, Ioannis
name: Farakos, Fotis
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct effective supergravity theories from customized constrained superfields which provide a setup consistent both for the description of inflation and the subsequent reheating processes. These theories contain the minimum degrees of freedom in the bosonic sector required for single-field inflation.
description: Physics Letters B journal version, 16 pages, plain text
สปีชีส์ยีสต์ที่พบในลูกแป้งสาโทจากจังหวัดสุรินทร์: ความสามารถในการย่อยแป้งและการผลิตแอลกอฮอล์
Creators: name: ศศิธร หล่อเรืองศิลป์
Publisher: name: หน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้ คณะวิทยาศาสตร์ มหาวิทยาลัยศรีนครินทรวิโรฒ
Year: 2022
Subjects: ยีสต์
ลูกแป้ง
สุรินทร์
สาโท

description: วารสารหน่วยวิจัยวิทยาศาสตร์ เทคโนโลยี และสิ่งแวดล้อมเพื่อการเรียนรู้, 13, 2, 313-332
Additional file 1 of Prevalence and correlates of anxiety and depression in caregivers to assisted living residents during COVID-19: a cross-sectional study
Creators: name: Lane, Natasha E.
name: Hoben, Matthias
name: Amuah, Joseph E.
name: Hogan, David B.
name: Baumbusch, Jennifer
name: Gruneir, Andrea
name: Chamberlain, Stephanie A.
name: Griffith, Lauren E.
name: McGrail, Kimberlyn M.
name: Corbett, Kyle
name: Maxwell, Colleen J.
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Biotechnology
subject: Cancer
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1: Table S1. STROBE guidelines for reporting observational (cross-sectional) studies. Table S2. Descriptionof AL in Alberta and British Columbia, Canada. Table S3. Distribution of AL caregiver characteristics, overall and by missing responses for clinically significant anxiety disorder and depressive symptoms. Table S4. Adjusted risk ratios (95% confidence interval) for clinically significant anxiety disorder and depressive symptoms associated with AL caregiver characteristics [following Multiple Imputation of Missing Data].
D3.2 Concrete recommendations for EUTOPIA institutional policies regarding Open Science_12092023_draft
Creators: name: Devriendt, Thijs
name: Maes, Elisa
Publisher: name: Zenodo
Year: 2023
Subjects: EUTOPIA
Open Science
Reward
Incentive
Roadmap

description: This is the draft version (pre-EC approval) of Deliverable 3.2 Concrete recommendations for EUTOPIA institutional policies regarding Open Science. The document includes the Framework Policy as developed by the EUTOPIA Institutions.
Additional file 1 of Consumer-driven strategies towards a resilient and sustainable food system following the COVID-19 pandemic in Australia
Creators: name: Kent, Katherine
name: Gale, Fred
name: Penrose, Beth
name: Auckland, Stuart
name: Lester, Elizabeth
name: Murray, Sandra
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1. COREQ (COnsolidated criteria for REporting Qualitative research) Checklist.
The perimeter cascade in critical Boltzmann quadrangulations decorated by an $O(n)$ loop model
Creators: name: Chen, Linxiao
name: Curien, Nicolas
name: Maillard, Pascal
Publisher: name: arXiv
Year: 2017
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 05C80, 60K35, 60J80

description: We study the branching tree of the perimeters of the nested loops in critical $O(n)$ model for $n \in (0,2)$ on random quadrangulations. We prove that after renormalization it converges towards an explicit continuous multiplicative cascade whose offspring distribution $(x_i)_{i \ge 1}$ is related to the jumps of a spectrally positive $α$-stable Lévy process with $α= \frac{3}{2} \pm \frac{1}π \arccos(n/2)$ and for which we have the surprisingly simple and explicit transform $$ \mathbb E\left[\sum_{i \ge 1} (x_i)^θ\right] = \frac{\sin(π(2-α))}{\sin (π(θ- α))} \quad \mbox{for }θ\in (α, α+1).$$ An important ingredient in the proof is a new formula of independent interest on first moments of additive functionals of the jumps of a left-continuous random walk stopped at a hitting time. We also identify the scaling limit of the volume of the critical $O(n)$-decorated quadrangulation using the Malthusian martingale associated to the continuous multiplicative cascade.
description: 35 pages, 7 figures, minor adjustments
Tensorial dynamics on the space of quantum states
Creators: name: Cariñena, J. F.
name: Clemente-Gallardo, J.
name: Jover-Galtier, J. A.
name: Marmo, G.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: 81P16, 81Q70

description: A geometric description of the space of states of a finite-dimensional quantum system and of the Markovian evolution associated with the Kossakowski-Lindblad operator is presented. This geometric setting is based on two composition laws on the space of observables defined by a pair of contravariant tensor fields. The first one is a Poisson tensor field that encodes the commutator product and allows us to develop a Hamiltonian mechanics. The other tensor field is symmetric, encodes the Jordan product and provides the variances and covariances of measures associated with the observables. This tensorial formulation of quantum systems is able to describe, in a natural way, the Markovian dynamical evolution as a vector field on the space of states. Therefore, it is possible to consider dynamical effects on non-linear physical quantities, such as entropies, purity and concurrence. In particular, in this work the tensorial formulation is used to consider the dynamical evolution of the symmetric and skew-symmetric tensors and to read off the corresponding limits as giving rise to a contraction of the initial Jordan and Lie products.
description: 31 pages, 2 figures. Minor corrections
Understanding the vulnerabilities of Scotland's water resources to drought (JHI-D2-1-WP1): overview of work package
Creators: name: Macleod, K
name: Glendell, M.
name: Gagkas, Z
name: Naha, S
Publisher: name: Zenodo
Year: 2022
Subjects: Scotland
Water
Drought
Policy

description: A summary of a research work package to improving our understanding of he vulnerabilities of Scotland’s water resources to drought.
Additional file 1 of Using Iterative RE-AIM to enhance hospitalist adoption of lung ultrasound in the management of patients with COVID-19: an implementation pilot study
Creators: name: Maw, Anna M.
name: Morris, Megan A.
name: Glasgow, Russell E.
name: Barnard, Juliana
name: Ho, P. Michael
name: Ortiz-Lopez, Carolina
name: Fleshner, Michelle
name: Kramer, Henry R.
name: Grimm, Eric
name: Ytell, Kate
name: Gardner, Tiffany
name: Huebschmann, Amy G.
Publisher: name: figshare
Year: 2022
Subjects: subject: Space Science
subject: Medicine
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy

description: Additional file 1. Description of Planned Adaptation Implementation Strategies.
Volume Dependence of N-Body Bound States
Creators: name: König, Sebastian
name: Lee, Dean
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Mathematical Physics (math-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We derive the finite-volume correction to the binding energy of an N-particle quantum bound state in a cubic periodic volume. Our results are applicable to bound states with arbitrary composition and total angular momentum, and in any number of spatial dimensions. The only assumptions are that the interactions have finite range. The finite-volume correction is a sum of contributions from all possible breakup channels. In the case where the separation is into two bound clusters, our result gives the leading volume dependence up to exponentially small corrections. If the separation is into three or more clusters, there is a power-law factor that is beyond the scope of this work, however our result again determines the leading exponential dependence. We also present two independent methods that use finite-volume data to determine asymptotic normalization coefficients. The coefficients are useful to determine low-energy capture reactions into weakly bound states relevant for nuclear astrophysics. Using the techniques introduced here, one can even extract the infinite-volume energy limit using data from a single-volume calculation. The derived relations are tested using several exactly solvable systems and numerical examples. We anticipate immediate applications to lattice calculations of hadronic, nuclear, and cold atomic systems.
description: 11 pages, 3 figures; Haskell code provided as ancillary file. Added discussion of single-volume extrapolations. Matches published version
Boundary classification and 2-ended splittings of groups with isolated flats
Creators: name: Haulmark, Matthew
Publisher: name: arXiv
Year: 2017
Subjects: subject: Group Theory (math.GR)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 20F65, 20F67

description: In this paper we provide a classification theorem for 1-dimensional boundaries of groups with isolated flats. Given a group $Γ$ acting geometrically on a $CAT(0)$ space $X$ with isolated flats and 1-dimensional boundary, we show that if $Γ$ does not split over a virtually cyclic subgroup, then $\partial X$ is homeomorphic to a circle, a Sierpinski carpet, or a Menger curve. This theorem generalizes a theorem of Kapovich-Kleiner, and resolves a question due to Kim Ruane. We also study the relationship between local cut points in $\partial X$ and splittings of $Γ$ over $2$-ended subgroups. In particular, we generalize a theorem of Bowditch by showing that the existence of a local point in $\partial X$ implies that $Γ$ splits over a $2$-ended subgroup.
description: 26 pages, 3 figures (This paper has been accepted for publication in Journal of Topology)
Insertion de particules anisotropes dans des phases lamellaires tensioactives (EN: Insertion of anisotropic particles in lamellar surfactant phases)
Creators: name: Grillo, Isabelle
Publisher: name: Zenodo
Year: 1998
Subjects: surfactants
anisotropic particles
lamellar phases
Small-Angle X-ray Scattering
Small-Angle Neutron Scattering
molecular forces
mixtures of soft and hard colloids

description: Abstract: We search for the interactions governing the possibility to mix organic and inorganic colloids. We use Laponite, a synthetic anionic clay, made of 30 nm diameter and 1 nm thickness anisotropic disks. Three surfactant systems, an anionic one (AOT), a cationic one (DDAB) and a nonionic one (C12E5) investigate three different cases of interaction forces.
 We establish experimentally the equilibrium phase diagrams and characterise the structure of these ternary systems by SANS and SAXS experiments.
 We quantify the adsorption. An AOT bilayer surrounds the particle edges; an almost complete bilayer of DDAB and C12E5 is formed on the basal faces. SANS contrast variation experiments under controlled conditions along the adsorption isotherm of C12E5 allow determining the average thickness of the adsorbed surfactant layer.
 In the monophasic lamellar domain, the particles stay between the membranes when the spacing is larger than the particle thickness. In the biphasic domain, dense clay aggregates are in equilibrium with a lamellar phase, containing little amount of particles. They enter in the AOT bilayers when the space between the bilayers is smaller than 0.8 nm.
 From the phase diagram and interaction forces study, three conditions of stability emerge:
 - an osmotic one: the osmotic lamellar pressure is higher than or equal to the colloidal one.
 - an energetic one: the interaction energy between a particle and the surfactant bilayer is close to the particle energy in aqueous suspension.
 - an entropic one: particles should not inhibit the stabilising fluctuations of the lamellar phase.
Upper Bound of Bayesian Generalization Error in Non-negative Matrix Factorization
Creators: name: Hayashi, Naoki
name: Watanabe, Sumio
Publisher: name: arXiv
Year: 2016
Subjects: subject: Statistics Theory (math.ST)
subject: Machine Learning (cs.LG)
subject: Machine Learning (stat.ML)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Non-negative matrix factorization (NMF) is a new knowledge discovery method that is used for text mining, signal processing, bioinformatics, and consumer analysis. However, its basic property as a learning machine is not yet clarified, as it is not a regular statistical model, resulting that theoretical optimization method of NMF has not yet established. In this paper, we study the real log canonical threshold of NMF and give an upper bound of the generalization error in Bayesian learning. The results show that the generalization error of the matrix factorization can be made smaller than regular statistical models if Bayesian learning is applied.
description: 21 pages, 1 table. / Neurocomputing Vol. 266. / ERRATA: Proof of Lemma 3.3 and Discussion is corrected
Renormalization group flows of the N-component Abelian Higgs model
Creators: name: Fejos, G.
name: Hatsuda, T.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Flows of the couplings of a theory of an N-component (complex) scalar field coupled to electrodynamics is investigated using the functional renormalization group formalism in d dimensions in covariant gauges. We find charged fixed points for any number of components in d=3, in accordance with the findings of [G. Fejos and T. Hatsuda, Phys. Rev. D 93, 121701 (2016)] for N=1. It is argued that the appropriate choice of the regulator matrix is indispensible to obtain such a result. Ward-Takahashi identites are analyzed in the presence of the regulator, and their compatibility with the flow equation is investigated in detail.
description: 14 pages, 3 figures, matches published version
Sustained propagation and control of topological excitations in polariton superfluid
Creators: name: Pigeon, Simon
name: Bramati, Alberto
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We present a simple method to compensate for losses in a polariton superfluid. Based on a weak support field, it allows for an extended propagation of a resonantly driven polariton superfluid at a minimal energetic cost. Moreover, this setup based on optical bistability, leads to a significant release of the phase constraint imposed by the resonant driving. This release, together with the macroscopic polariton propagation, offers a unique opportunity to study the hydrodynamics of topological excitations of polariton superfluids such as quantized vortices and dark solitons. We numerically study how the coherent field supporting the superfluid flow interacts with the vortices and how it can be used to control them. Interestingly, we show that standard hydrodynamics does not apply for this driven-dissipative fluid and new behaviours are identified.
description: 11 pages and 7 figures
A mechanism of vortex generation in a supersonic flow behind a gas-plasma interface
Creators: name: Markhotok, A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The origin of a vortex structure generated during the shock-plasma interaction is investigated. A two-dimensional model based on the shock refraction mechanism successfully unifies the vortex generation with major co-processes typical for the interaction and thus well fits in their cause-and-consequence relationship. Numerical simulations demonstrated the possibility of an intense vortex generation with a continuous positive dynamics as the shock crosses the interface. It was shown that while the vorticity is triggered by the shock refraction on the interface, it is the gas parameter distribution that distinctively determines the parameters of the vortex evolution. The proposed model also provides an insight into interesting aspects of the refraction effects for both, the shock wave and the flow behind it (double refraction). The results are applicable to the problems of energy deposition in a hypersonic flow, a flame-shock interaction, in combustion, in astrophysics, and in the fusion research.
Raman tailored photonic-crystal-fiber for telecom band photon-pair generation
Creators: name: Cordier, M.
name: Orieux, A.
name: Gabet, R.
name: HarlÉ, T.
name: Dubreuil, N.
name: Diamanti, E.
name: Delaye, P.
name: Zaquine, I.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We report on the experimental characterization of a novel nonlinear liquid-filled hollow-core photonic-crystal fiber for the generation of photon pairs at telecommunication wavelength through spontaneous four-wave-mixing. We show that the optimization procedure in view of this application links the choice of the nonlinear liquid to the design parameters of the fiber, and we give an example of such an optimization at telecom wavelengths. Combining the modeling of the fiber and classical characterization techniques at these wavelengths, we identify, for the chosen fiber and liquid combination, spontaneous four-wave-mixing phase matching frequency ranges with no Raman scattering noise contamination. This is a first step toward obtaining a telecom band fibered photon-pair source with a high signal-to-noise ratio.
description: 5 pages, 5 figures, journal
Equivalent Semi-Norms of Non-Local Dirichlet Forms on the Sierpiński Gasket and Applications
Creators: name: Yang, Meng
Publisher: name: arXiv
Year: 2016
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 28A80

description: We construct equivalent semi-norms of non-local Dirichlet forms on the Sierpiński gasket and apply these semi-norms to a convergence problem and a trace problem. We also construct explicitly a sequence of non-local Dirichlet forms with jumping kernels equivalent to $|x-y|^{-α-β}$ that converges exactly to local Dirichlet form.
description: 18 pages
Faster Base64 Encoding and Decoding Using AVX2 Instructions
Creators: name: Muła, Wojciech
name: Lemire, Daniel
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mathematical Software (cs.MS)
subject: Performance (cs.PF)
subject: FOS: Computer and information sciences

description: Web developers use base64 formats to include images, fonts, sounds and other resources directly inside HTML, JavaScript, JSON and XML files. We estimate that billions of base64 messages are decoded every day. We are motivated to improve the efficiency of base64 encoding and decoding. Compared to state-of-the-art implementations, we multiply the speeds of both the encoding (~10x) and the decoding (~7x). We achieve these good results by using the single-instruction-multiple-data (SIMD) instructions available on recent Intel processors (AVX2). Our accelerated software abides by the specification and reports errors when encountering characters outside of the base64 set. It is available online as free software under a liberal license.
description: software at https://github.com/lemire/fastbase64
Role of scalar mesons in the beam asymmetry of $p \bar p$ and $Λ\bar Λ$ photoproduction at JLab
Creators: name: Gutsche, Thomas
name: Kuleshov, Serguei
name: Lyubovitskij, Valery E.
name: Obukhovsky, Igor T.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We suggest a description of the beam asymmetry in $p \bar p$ and $Λ\bar Λ$ photoproduction off the proton $\vecγ+ p \to p \bar p + p$ and $\vecγ+ p \to Λ\barΛ+ p$, takes into account the contribution of the scalar mesons $f_0(1370)$, $f_0(1500)$, and $f_0(1710)$. These scalars are considered as mixed states of a glueball and nonstrange and strange quarkonia in the framework based on the use of effective hadronic Lagrangians. Present results can be used to guide the possible search for this reaction by the GlueX Collaboration at JLab. Also, we did an estimate of contribution of heavier scalar meson states $f_0(2020)$, $f_0(2100)$, and $f_0(2200)$.
description: 12 pages
Additional file 1 of Investigating the feasibility of recruitment to an observational, quality-of-life study of patients diagnosed with atrial fibrillation (AF) who have experienced a bleed while anticoagulated: EQUAL-AF feasibility study protocol
Creators: name: Hutchings, Hayley A.
name: Lanyon, Kirsty
name: Lister, Steven
name: Alikhan, Raza
name: Halcox, Julian
name: Holland, Gail
name: Hughes, Arfon
name: Jenkins, Rhys
name: Laing, Hamish
name: Lobban, Trudie
name: Owen, Diane
name: Pollock, Kevin G.
name: Todd, Ceri
name: Wareham, Kathie
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Cell Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: Hematology

description: Additional file 1: EQUAL-AF Interview Questions.
A STUDY ON CUSTOMER SATISFACTION TOWARD CRM PRACTICES FOLLOWED BY MALLS IN PUNE CITY
Creators: name: Valiuddin Shaikh, Farzana
Publisher: name: figshare
Year: 2022
Subjects: Marketing management (incl. strategy and customer relations)

description: In a global competition the customer churn rates are higher than ever. How to stop that is a big question in front of the retailers. Attracting new customers is increasingly challenging and costly.
 The concepts CRM are as old as retailing itself. By any name, the concept is roughly the same: identifying, understanding, nurturing, and retaining best customers and to maximize the profit of each customer's purchases. From economic point of view it is less costly to retain a customer than to find a new one. Customer relationship management (CRM) is a management strategy that unites information technology with marketing. CRM is not a system, but a philosophy. If it is utilized it with care and attention, it will have a positive effect on an organizations.
 The focus on customer-centric marketing philosophies has received considerable attention in the marketing literature by scholars and practitioners. Both practitioners and scholars try to understand, attract, retain and build an intimate long term relationship with their customers. One of the key areas in the customer-centred marketing paradigm is ensuring that existing customers are satisfied. As a result organisations have been studying and developing strategies to satisfy customers and achieve customer delight. It is believed that, a fully satisfied customer is nearly six times more likely to be loyal and to re- purchase and recommend a product/service to family members and friends than a customer who is just satisfied.
Easily parallelizable and distributable class of algorithms for structured sparsity, with optimal acceleration
Creators: name: Ko, Seyoon
name: Yu, Donghyeon
name: Won, Joong-Ho
Publisher: name: arXiv
Year: 2017
Subjects: subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: Many statistical learning problems can be posed as minimization of a sum of two convex functions, one typically a composition of non-smooth and linear functions. Examples include regression under structured sparsity assumptions. Popular algorithms for solving such problems, e.g., ADMM, often involve non-trivial optimization subproblems or smoothing approximation. We consider two classes of primal-dual algorithms that do not incur these difficulties, and unify them from a perspective of monotone operator theory. From this unification we propose a continuum of preconditioned forward-backward operator splitting algorithms amenable to parallel and distributed computing. For the entire region of convergence of the whole continuum of algorithms, we establish its rates of convergence. For some known instances of this continuum, our analysis closes the gap in theory. We further exploit the unification to propose a continuum of accelerated algorithms. We show that the whole continuum attains the theoretically optimal rate of convergence. The scalability of the proposed algorithms, as well as their convergence behavior, is demonstrated up to 1.2 million variables with a distributed implementation.
description: 57 pages (30 pages excluding appendix), 4 figures (2 excluding appendix)
Magnetoresistance of compensated semimetals in confined geometries
Creators: name: Alekseev, P. S.
name: Dmitriev, A. P.
name: Gornyi, I. V.
name: Kachorovskii, V. Yu.
name: Narozhny, B. N.
name: Schütt, M.
name: Titov, M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Two-component conductors -- e.g., semi-metals and narrow band semiconductors -- often exhibit unusually strong magnetoresistance in a wide temperature range. Suppression of the Hall voltage near charge neutrality in such systems gives rise to a strong quasiparticle drift in the direction perpendicular to the electric current and magnetic field. This drift is responsible for a strong geometrical increase of resistance even in weak magnetic fields. Combining the Boltzmann kinetic equation with sample electrostatics, we develop a microscopic theory of magnetotransport in two and three spatial dimensions. The compensated Hall effect in confined geometry is always accompanied by electron-hole recombination near the sample edges and at large-scale inhomogeneities. As the result, classical edge currents may dominate the resistance in the vicinity of charge compensation. The effect leads to linear magnetoresistance in two dimensions in a broad range of parameters. In three dimensions, the magnetoresistance is normally quadratic in the field, with the linear regime restricted to rectangular samples with magnetic field directed perpendicular to the sample surface. Finally, we discuss the effects of heat flow and temperature inhomogeneities on the magnetoresistance.
description: 22 pages, 7 figures, published version
The Storage vs Repair-Bandwidth Trade-off for Clustered Storage Systems
Creators: name: Prakash, N.
name: Abdrashitov, Vitaly
name: Medard, Muriel
Publisher: name: arXiv
Year: 2017
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: We study a generalization of the setting of regenerating codes, motivated by applications to storage systems consisting of clusters of storage nodes. There are $n$ clusters in total, with $m$ nodes per cluster. A data file is coded and stored across the $mn$ nodes, with each node storing $α$ symbols. For availability of data, we require that the file be retrievable by downloading the entire content from any subset of $k$ clusters. Nodes represent entities that can fail. We distinguish between intra-cluster and inter-cluster bandwidth (BW) costs during node repair. Node-repair in a cluster is accomplished by downloading $β$ symbols each from any set of $d$ other clusters, dubbed remote helper clusters, and also up to $α$ symbols each from any set of $\ell$ surviving nodes, dubbed local helper nodes, in the host cluster. We first identify the optimal trade-off between storage-overhead and inter-cluster repair-bandwidth under functional repair, and also present optimal exact-repair code constructions for a class of parameters. The new trade-off is strictly better than what is achievable via space-sharing existing coding solutions, whenever $\ell > 0$. We then obtain sharp lower bounds on the necessary intra-cluster repair BW to achieve optimal trade-off. Our bounds reveal the interesting fact that, while it is beneficial to increase the number of local helper nodes $\ell$ in order to improve the storage-vs-inter-cluster-repair-BW trade-off, increasing $\ell$ not only increases intra-cluster BW in the host-cluster, but also increases the intra-cluster BW in the remote helper clusters. We also analyze resilience of the clustered storage system against passive eavesdropping by providing file-size bounds and optimal code constructions.
description: Accepted for publication in IEEE Transactions on Information Theory
Quantifying the relation between performance and success in soccer
Creators: name: Pappalardo, Luca
name: Cintia, Paolo
Publisher: name: arXiv
Year: 2017
Subjects: subject: Applications (stat.AP)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences
subject: H.2.8; J.3

description: The availability of massive data about sports activities offers nowadays the opportunity to quantify the relation between performance and success. In this study, we analyze more than 6,000 games and 10 million events in six European leagues and investigate this relation in soccer competitions. We discover that a team's position in a competition's final ranking is significantly related to its typical performance, as described by a set of technical features extracted from the soccer data. Moreover we find that, while victory and defeats can be explained by the team's performance during a game, it is difficult to detect draws by using a machine learning approach. We then simulate the outcomes of an entire season of each league only relying on technical data, i.e. excluding the goals scored, exploiting a machine learning model trained on data from past seasons. The simulation produces a team ranking (the PC ranking) which is close to the actual ranking, suggesting that a complex systems' view on soccer has the potential of revealing hidden patterns regarding the relation between performance and success.