cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Analytical models of probability distribution and excess noise factor of Solid State Photomultiplier signals with crosstalk
Creators: name: Vinogradov, S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Silicon Photomultipliers (SiPM), also so-called Solid State Photomultipliers (SSPM), are based on Geiger mode avalanche breakdown limited by strong negative feedback. SSPM can detect and resolve single photons due to high gain and ultra-low excess noise of avalanche multiplication in this mode. Crosstalk and afterpulsing processes associated with the high gain introduce specific excess noise and deteriorate photon number resolution of the SSPM. Probabilistic features of these processes are widely studied because of its high importance for the SSPM design, characterization, optimization and application, but the process modeling is mostly based on Monte Carlo simulations and numerical methods. In this study, crosstalk is considered to be a branching Poisson process, and analytical models of probability distribution and excess noise factor (ENF) of SSPM signals based on the Borel distribution as an advance on the geometric distribution models are presented and discussed. The models are found to be in a good agreement with the experimental probability distributions for dark counts and a few photon spectrums in a wide range of fired pixels number as well as with observed super-linear behavior of crosstalk ENF.
description: 10 pages, 2 tables, 3 figures, Reported at 6th International Conference on "New Developments In Photodetection - NDIP11"
Impossibility of superluminal travel in Lorentz violating theories
Creators: name: Coutant, Antonin
name: Finazzi, Stefano
name: Liberati, Stefano
name: Parentani, Renaud
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Warp drives are space-times allowing for superluminal travel. However, they are quantum mechanically unstable because they produce a Hawking-like radiation which is blue shifted at their front wall without any bound. We reexamine this instability when local Lorentz invariance is violated at ultrahigh energy by dispersion, as in some theories of quantum gravity. Interestingly, even though the ultraviolet divergence is now regulated, warp drives are still unstable. Moreover the type of instability is different whether one uses a subluminal or a superluminal dispersion relation. In the first case, a black-hole laser yields an exponential amplification of the emitted flux whereas, in the second, infrared effects produce a linear growth of that flux. These results suggest that chronology could still be protected when violating Lorentz invariance.
description: 5 pages, 3 figures
The cusp anomalous dimension at three loops and beyond
Creators: name: Correa, Diego
name: Henn, Johannes
name: Maldacena, Juan
name: Sever, Amit
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive an analytic formula at three loops for the cusp anomalous dimension Gamma_cusp(phi) in N=4 super Yang-Mills. This is done by exploiting the relation of the latter to the Regge limit of massive amplitudes. We comment on the corresponding three loops quark anti-quark potential. Our result also determines a considerable part of the three-loop cusp anomalous dimension in QCD. Finally, we consider a limit in which only ladder diagrams contribute to physical observables. In that limit, a precise agreement with strong coupling is observed.
description: 34 pages, 6 figures. v2: references added, typos corrected
Imaging with HST the time evolution of Eta Carinae's colliding winds
Creators: name: Gull, Theodore R.
name: Madura, Thomas I.
name: Groh, Jose H.
name: Corcoran, Michael F.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report new HST/STIS observations that map the high-ionization forbidden line emission in the inner arcsecond of Eta Car, the first that fully image the extended wind-wind interaction region of the massive colliding wind binary. These observations were obtained after the 2009.0 periastron at orbital phases 0.084, 0.163, and 0.323 of the 5.54-year spectroscopic cycle. We analyze the variations in brightness and morphology of the emission, and find that blue-shifted emission (-400 to -200 km s-1) is symmetric and elongated along the northeast-southwest axis, while the red-shifted emission (+100 to +200 km s-1) is asymmetric and extends to the north- northwest. Comparison to synthetic images generated from a 3-D dynamical model strengthens the 3-D orbital orientation found by Madura et al. (2011), with an inclination i \approx 138\degree, argument of periapsis ω \approx 270\degree, and an orbital axis that is aligned at the same PA on the sky as the symmetry axis of the Homunculus, 312\degree. We discuss the potential that these and future mappings have for constraining the stellar parameters of the companion star and the long-term variability of the system.
description: 10 pages, 4 figures, accepted Ap J Letters
Dynamics of an Intruder in Dense Granular Fluids
Creators: name: Fiege, Andrea
name: Grob, Matthias
name: Zippelius, Annette
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate the dynamics of an intruder pulled by a constant force in a dense two-dimensional granular fluid by means of event-driven molecular dynamics simulations. In a first step, we show how a propagating momentum front develops and compactifies the system when reflected by the boundaries. To be closer to recent experiments \cite{candelier2010journey,candelier2009creep}, we then add a frictional force acting on each particle, proportional to the particle's velocity. We show how to implement frictional motion in an event-driven simulation. This allows us to carry out extensive numerical simulations aiming at the dependence of the intruder's velocity on packing fraction and pulling force. We identify a linear relation for small and a nonlinear regime for high pulling forces and investigate the dependence of these regimes on granular temperature.
MADANIY TURIZMNI RIVOJLANTIRISH ZARURIYATI
Creators: name: Sirocheva, Gulshoda
Publisher: name: Zenodo
Year: 2023

description: Ma`lumkі, madanіy turіzm mamlakatnіng yuzіnі butun dunyoga namoyon etuvchі yo`nalіshlardan bіrі hіsoblanadі. Ushbu turnі rіvojlantіrіsh har bіr davlatnіng strategіk vazіfasі sanaladі. Mazkur maqolada O`zbekіstonda madanіy turіzm іmkonіyatlarі, іstіqbollarі muhokama etіladі.
Vibration avoidance and contour error compensation in high speed five-axis machine tools using command shaping techniques
Creators: name: Rezayi Khoshdarregi, Mohammad
Publisher: name: University of British Columbia
Year: 2012

description: The present machine tools travel at high velocities with large acceleration and jerk, which creates large inertial loads with wide frequency content, resulting in excitation of the natural frequencies of the machine. This thesis presents a command shaping module which avoids structural vibrations and improves contouring accuracy in five-axis machine tools. Inertial-induced vibrations of feed drives are avoided by applying a sequence of input shaping impulses on the axis position commands as a function of natural frequencies of the machine. Input shapers block those harmonics of the command which can excite the modes of the machine. While command shaping avoids the excitation of transient vibrations caused by inertial loads, it introduces a time delay which increases the contouring errors in multi-axis motion control systems. Although input shaping can effectively avoid vibrations, it distorts the toolpath in multi-axis contouring due to added time delays. The distortion increases the contour errors caused by the limited bandwidth of axis servo drives, resulting in relatively large geometric errors and violation of the required tolerance. The transfer function of the axis drives and kinematic configuration of the machine tool are used to estimate the contouring error, which is decoupled into axis components, and compensated prior to sending the position commands to each drive. The proposed integrated input shaping and contour error compensation module can be applied on any arbitrary trajectory, and the shaped-compensated command results in vibration-free and accurate contouring of the desired path. The input shaping and contouring error compensation techniques introduced in the thesis have been experimentally validated in single, two and five axis machine tools.
Diagnostic accuracy of anorectal manometry for fecal incontinence: a meta-analysis
Creators: name: Yeap, Zhu Hui
name: Simillis, Constantinos
name: Qiu, Shengyang
name: Ramage, Lisa
name: Kontovounisios, Christos
name: Tekkis, Paris
Publisher: name: Taylor & Francis
Year: 2017
Subjects: subject: Biotechnology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Background: Anorectal manometry (ARM) is conventionally used to assess patients with fecal incontinence (FI). This review aims to establish the diagnostic accuracy of ARM for FI. Method: A search of MEDLINE, EMBASE, Science Citation Index Expanded and Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library was performed. Studies examining the sensitivity and specificity of ARM measures, either individually or combined, in the diagnosis of FI, were included. Data analysis was conducted using the bivariate statistical method. Results: Seven studies were included out of an initial search of 1499 studies. The summary sensitivity and specificity for ARM as an overall test were 0.80 (95% confidence interval (CI): 0.69–0.88) and 0.80 (95% CI: 0.65–0.90), respectively. The diagnostic odds ratio (DOR) for ARM was found to be 16.61 (95% CI: 5.52–50.03). The positive likelihood ratio (PLR) and negative likelihood ratio (NLR) for ARM were found to be 4.09 (95% CI: 2.11–7.94) and 0.25 (95% CI: 0.14–0.42), respectively. Subgroup analysis based on four studies reporting on maximum resting pressure (MRP) demonstrated a sensitivity, specificity, DOR, PLR and NLR of 0.60 (95% CI: 0.38–0.79), 0.93 (95% CI: 0.80–0.97), 20.0 (95% CI: 4.00–91.00), 8.60 (95% CI: 3.00–24.30) and 0.43 (95% CI: 0.24–0.76), respectively. Conclusion: ARM has been shown to be an accurate test for diagnosing FI. Further studies are required to establish the diagnostic accuracy of individual ARM measures.
Additional file 1 of Competing treatments for migraine: a headache for decision-makers
Creators: name: Mistry, Hema
name: Naghdi, Seyran
name: Underwood, Martin
name: Duncan, Callum
name: Madan, Jason
name: Matharu, Manjit
Publisher: name: figshare
Year: 2023
Subjects: Medicine
Pharmacology
Biotechnology
Science Policy

description: Additional file 1: Table A. Deterministic transition probabilities used in the base-case analysis.
Intermediate statistics for a system with symplectic symmetry: the Dirac rose graph
Creators: name: Harrison, J. M.
name: Winn, B.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mathematical Physics (math-ph)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences
subject: 34B45, 81Q35, 81Q50

description: We study the spectral statistics of the Dirac operator on a rose-shaped graph---a graph with a single vertex and all bonds connected at both ends to the vertex. We formulate a secular equation that generically determines the eigenvalues of the Dirac rose graph, which is seen to generalise the secular equation for a star graph with Neumann boundary conditions. We derive approximations to the spectral pair correlation function at large and small values of spectral spacings, in the limit as the number of bonds approaches infinity, and compare these predictions with results of numerical calculations. Our results represent the first example of intermediate statistics from the symplectic symmetry class.
description: 26 pages, references added
Early Anglo-Saxon Pottery in South-East England: Recent Work and a Research Framework for the Future
Creators: name: Jervis, Ben
name: Barber, Luke
name: Blackmore, Lyn
name: Cotter, John
name: Jarrett, Chris D
name: Jonesf, Phil
name: Mepham, Lorraine
name: Sudds, Berni
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 36, 17-30
description: Recent work on early Anglo-Saxon pottery from Kent, Surrey and Sussex (including south London) is reviewed. Some conclusions regarding the character of pottery across the region are drawn together and suggestions are made for further research, focussing on themes of dating, production and imports.
Asymptotics of first-passage percolation on 1-dimensional graphs
Creators: name: Ahlberg, Daniel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60K35, 60K05

description: In this paper we consider first-passage percolation on certain 1-dimensional periodic graphs, such as the $\Z\times\{0,1,\ldots,K-1\}^{d-1}$ nearest neighbour graph for $d,K\geq1$. We find that both length and weight of minimal-weight paths present a typical 1-dimensional asymptotic behaviour. Apart from a strong law of large numbers, we derive a central limit theorem, a law of the iterated logarithm, and a Donsker theorem for these quantities. In addition, we prove that the mean and variance of the length and weight of the minimizing path between two points are monotone in the distance between the points. The main idea used to deduce the mentioned properties is the exposure of a regenerative structure within the process. We describe this structure carefully and show how it can be used to obtain a detailed description of the process based on classical theory for i.i.d.\ sequences. In addition, we show how the regenerative idea can be used to couple two first-passage processes to eventually coincide. Using this coupling we derive a 0-1 law.
description: 35 pages. The second version is drastically shortened from the first. Some arguments have been rewritten and the introduction updated. Content-wise, the paper remains the same
An Antler Stamp from Melbourne Street, Southampton
Creators: name: Riddler, Ian David
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 36, 31-44
description: A re-evaluation of the antler and bone waste from Melbourne Street in Southampton revealed an antler stamp with circular indentations on two tines. Double-pronged antler stamps are known also from West Stow, and from M0en in Denmark. During the early Anglo-Saxon period antler stamps may have been used to decorate ceramics, although few direct comparisons can be made between stamps and stamp impressions and the correlation between them is general rather than specific. In recent decades the number of antler stamps has increased considerably. There are now nine stamps from Hamwic and ten from other middle and late Saxon sites, against just ten from sites of early Anglo-Saxon date. There is little correlation between stamps and stamped ceramics of the middle and late Saxon periods and it is more likely that these stamps were used to emboss vegetable-tanned leather. During the middle Saxon period antler stamps were also used, alongside other implements, to produce impressions on loomweights and there is a strong correlation with objects used by women. This provides the possibility that the stamps themselves were the possessions of women.
Theory overview of phi_s and penguin pollution
Creators: name: Jung, Martin
Publisher: name: Zenodo
Year: 2019

description: I discuss theoretical aspects of the precision determination of the mixing angles $\phi_{d,s}$ from $B\to J/\psi M$ decays. Furthermore I comment on potential future progress in the determination of the angle $\alpha$ ($\phi_2$) from isospin analyses.
Logarithmic Corrections to Rotating Extremal Black Hole Entropy in Four and Five Dimensions
Creators: name: Sen, Ashoke
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We compute logarithmic corrections to the entropy of rotating extremal black holes using quantum entropy function i.e. Euclidean quantum gravity approach. Our analysis includes five dimensional supersymmetric BMPV black holes in type IIB string theory on T^5 and K3 x S^1 as well as in the five dimensional CHL models, and also non-supersymmetric extremal Kerr black hole and slowly rotating extremal Kerr-Newmann black holes in four dimensions. For BMPV black holes our results are in perfect agreement with the microscopic results derived from string theory. In particular we reproduce correctly the dependence of the logarithmic corrections on the number of U(1) gauge fields in the theory, and on the angular momentum carried by the black hole in different scaling limits. We also explain the shortcomings of the Cardy limit in explaining the logarithmic corrections in the limit in which the (super)gravity description of these black holes becomes a valid approximation. For non-supersymmetric extremal black holes, e.g. for the extremal Kerr black hole in four dimensions, our result provides a stringent testing ground for any microscopic explanation of the black hole entropy, e.g. Kerr/CFT correspondence.
description: LaTeX file, 50 pages; v2: added extensive discussion on the relation between boundary condition and choice of ensemble, modified analysis for slowly rotating black holes, all results remain unchanged, typos corrected; v3: minor additions and corrections
Status of the differential transformation method
Creators: name: Bervillier, C.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Further to a recent controversy on whether the differential transformation method (DTM) for solving a differential equation is purely and solely the traditional Taylor series method, it is emphasized that the DTM is currently used, often only, as a technique for (analytically) calculating the power series of the solution (in terms of the initial value parameters). Sometimes, a piecewise analytic continuation process is implemented either in a numerical routine (e.g., within a shooting method) or in a semi-analytical procedure (e.g., to solve a boundary value problem). Emphasized also is the fact that, at the time of its invention, the currently-used basic ingredients of the DTM (that transform a differential equation into a difference equation of same order that is iteratively solvable) were already known for a long time by the "traditional"-Taylor-method users (notably in the elaboration of software packages --numerical routines-- for automatically solving ordinary differential equations). At now, the defenders of the DTM still ignore the, though much better developed, studies of the "traditional"-Taylor-method users who, in turn, seem to ignore similarly the existence of the DTM. The DTM has been given an apparent strong formalization (set on the same footing as the Fourier, Laplace or Mellin transformations). Though often used trivially, it is easily attainable and easily adaptable to different kinds of differentiation procedures. That has made it very attractive. Hence applications to various problems of the Taylor method, and more generally of the power series method (including noninteger powers) has been sketched. It seems that its potential has not been exploited as it could be. After a discussion on the reasons of the "misunderstandings" which have caused the controversy, the preceding topics are concretely illustrated.
description: To appear in Applied Mathematics and Computation, 29 pages, references and further considerations added
Unlocking High-Salinity Desalination with Cascading Osmotically Mediated Reverse Osmosis: Energy and Operating Pressure Analysis
Creators: name: Chen, Xi
name: Yip, Ngai Yin
Publisher: name: Columbia University
Year: 2018
Subjects: subject: Saline water conversion--Reverse osmosis process
subject: Environmental engineering
subject: FOS: Environmental engineering
subject: Oil field brines--Environmental aspects
subject: Environmental sciences

description: Current practice of using thermally driven methods to treat hypersaline brines is highly energy-intensive and costly. While conventional reverse osmosis (RO) is the most efficient desalination technique, it is confined to purifying seawater and lower salinity sources. Hydraulic pressure restrictions and elevated energy demand render RO unsuitable for high-salinity streams. Here, we propose an innovative cascading osmotically mediated reverse osmosis (COMRO) technology to overcome the limitations of conventional RO. The innovation utilizes the novel design of bilateral countercurrent reverse osmosis stages to depress the hydraulic pressure needed by lessening the osmotic pressure difference across the membrane, and simultaneously achieve energy savings. Instead of the 137 bar required by conventional RO to desalinate 70 000 ppm TDS hypersaline feed, the highest operating pressure in COMRO is only 68.3 bar (−50%). Furthermore, up to ≈17% energy saving is attained by COMRO (3.16 kWh/m3, compared to 3.79 kWh/m3 with conventional RO). When COMRO is employed to boost the recovery of seawater desalination to 70% from the typical 35–50%, energy savings of up to ≈33% is achieved (2.11 kWh/m3, compared to 3.16 kWh/m3 with conventional RO). Again, COMRO can operate at a moderate hydraulic pressure of 80 bar (25% lower than 113 bar of conventional RO). This study highlights the encouraging potential of energy-efficient COMRO to access unprecedented high recovery rates and treat hypersaline brines at moderate hydraulic pressures, thus extending the capabilities of membrane-based technologies for high-salinity desalination.
The role of PXL-1 and CPNA-1 in the organization of muscle adhesion complexes in Caenorhabditis elegans muscle
Creators: name: Warner, Adam Dennis
Publisher: name: University of British Columbia
Year: 2012

description: C. elegans is an excellent model organism for the study of muscle development and maintenance, but we lack a full catalog of genes involved and their specific roles. I have identified and characterized two novel genes, pxl-1 which is essential in C. elegans pharyngeal muscle and cpna-1 which is essential in body wall muscle. PXL-1 is the C. elegans homolog of vertebrate paxillin and contains the four C-terminal LIM domains conserved in paxillin across all species and three of the five LD motifs found in the N- terminal half of most paxillins. PXL-1 antibodies and a full-length GFP translational fusion localize to muscle adhesion sites in the sarcomere, the functional repeat unit in muscle responsible for contraction. In pharyngeal muscle, PXL-1 localizes to ring-shaped structures near the sarcolemma corresponding to podosome-like sites of actin attachment. Loss of paxillin results in lack of pharyngeal contraction, developmental arrest, and lethality. Expression of paxillin solely in the pharynx results in wild type in movement and body wall muscle structure. This demonstrates that in pharyngeal muscle PXL-1 is essential for contraction, whereas in body wall muscle it is dispensable for filament assembly, sarcomere stability, and ultimately movement. CPNA-1 is a copine domain protein essential for myofilament stability and viability in C. elegans. Worms lacking cpna-1 arrest at the two-fold stage of embryogenesis and have disruption of the myofilament lattice. CPNA-1 contains an N- terminal trans-membrane domain, and a copine domain near its C-terminal. Both a GFP translational fusion and antibody specific to CPNA-1 localize to muscle adhesion sites in body wall muscle. CPNA-1 also binds to components of muscle adhesion sites including UNC-89 (obscurin), and the essential muscle protein PAT-6 (actopaxin), which CPNA-1 requires for localization. The essential MYO-3 (heavy chain myosin) protein is initially localized normally in cpna-1 null animals, but becomes mislocalized as contraction begins indicating CPNA-1 is not required for initial assembly of the sarcomere, but is required to maintain structural stability through development. Together, the characterization of PXL-1 and CPNA-1 provide new insight into the organization of muscle adhesion sites in Caenorhabditis elegans.
QUANTOX  QUANtum Technologies with 2D-OXides : Plan for the Dissemination and Exploitation of Results (DER)
Creators: name: Salluzzo, Marco
name: Stornaiuolo, Daniela
Publisher: name: Zenodo
Year: 2018

description: Plan for the Dissemination and Exploitation of Results (DER) of the Quantox Project ( Deliverable 4.1)
Dynamics in the Ising field theory after a quantum quench
Creators: name: Schuricht, Dirk
name: Essler, Fabian H. L.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the real-time dynamics of the order parameter $$ in the Ising field theory after a quench in the fermion mass, which corresponds to a quench in the transverse field of the corresponding transverse field Ising chain. We focus on quenches within the ordered phase. The long-time behaviour is obtained analytically by a resummation of the leading divergent terms in a form-factor expansion for $$. Our main result is the development of a method for treating divergences associated with working directly in the field theory limit. We recover the scaling limit of the corresponding result by Calabrese et al. [Phys. Rev. Lett. \textbf{106}, 227203 (2011)], which was obtained for the lattice model. Our formalism generalizes to integrable quantum quenches in other integrable models.
Medieval Pottery Production at Chilvers Coton, Warwickshire: Re-Examination of the Archaeological Evidence and the Historic Landscape Context
Creators: name: D Wilson, Martin
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 36, 61-80
description: This study reopens the book on the Chilvers Coton medieval ceramics 'industry'. It explores the character of the historic landscape where pottery kilns have been found. It examines evidence of land ownership and land use, casting new light on the possible origins of the industry and its context and spatial extent within the medieval landscape. It considers, for the first time, the archaeological evidence of pottery production at Chilvers Coton in the light of revised ceramic dates. In doing so, and although not the initial purpose, the study addresses a major aspect of one of the current regional research aims for Warwickshire, namely: 'WM21: Reassessment of, and further work on, the Chilvers Coton production site; the Nuneaton industry is large but its extent is not known' (Irving 2011, 36).
Additional file 1 of Repeated exposure of wheat to the fungal root pathogen Bipolaris sorokiniana modulates rhizosphere microbiome assembly and disease suppressiveness
Creators: name: Costa, Lilian S. Abreu Soares
name: de Faria, Mírian Rabelo
name: Chiaramonte, Josiane Barros
name: Mendes, Lucas W.
name: Sepo, Edis
name: de Hollander, Mattias
name: Fernandes, José Maurício Cunha
name: Carrión, Víctor J.
name: Bettiol, Wagner
name: Mauchline, Tim H.
name: Raaijmakers, Jos M.
name: Mendes, Rodrigo
Publisher: name: figshare
Year: 2023
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Plant Biology

description: Additional file 1. Supplementary material.
Kilns and Clay-Pits in the Fields: Mid-17th Century Field-Name Evidence of the Ceramic Industry in the North Midlands from the Welbeck Atlas
Creators: name: Mastoris, Steph
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 36, 81-88
description: I first met Anna Slowikowski in the late summer of 1978 when we were both working for the City of Nottingham field archaeology unit and just starting our careers. Having been born and brought up in Nottingham, Anna was able to enthuse to me about its history and landscape and over the next few years she taught me much about the city as well as the rest of the county. For me this was the beginning of a career-long interest in researching the topography of Nottinghamshire, especially its landscape in the 16th and 17th centuries. I am glad, therefore to be able to make a modest contribution to this volume dedicated to Anna by discussing a number of references to possible ceramic production found in field names recorded within the Welbeck Atlas - a collection of estate surveys belonging to William Cavendish, the first Duke of Newcastle.
Quality-adjusted life expectancy (QALE) loss due to smoking in the United States
Creators: name: Jia, Haomiao
name: Zack, Matthew M.
name: Thompson, William W.
name: Dube, Shanta R.
Publisher: name: Columbia University
Year: 2013
Subjects: Life expectancy
Smoking--Mortality
Public health
Quality of life

description: Purpose:
Estimate quality-adjusted life expectancy (QALE) loss due to smoking and examine trends and state differences in smoking-related QALE loss in the U.S.

Methods:
Population health-related quality of life (HRQOL) scores were estimated from the Behavioral Risk Factor Surveillance System. This study constructed life tables based on U.S. mortality files and the mortality linked National Health Interview Survey and calculated QALE for smokers, non-smokers, and the total population.

Results:
In 2009, an 18-year-old smoker was expected to have 43.5 (SE = 0.2) more years of QALE, and a non-smoker of the same age was expected to have 54.6 (SE = 0.2) more years of QALE. Therefore, smoking contributed 11.0 (SE = 0.2) years of QALE loss for smokers and 4.1 years (37%) of this loss resulted from reductions in HRQOL alone. At the population level, smoking was associated with 1.9 fewer years of QALE for U.S. adults throughout their lifetime, starting at age 18.

Conclusions:
This study demonstrates an application of a recently developed QALE estimation methodology. The analyses show good precision and relatively small bias in estimating QALE––especially at the individual level. Although smokers may live longer today than before, they still have a high disease burden due to morbidities associated with poor HRQOL.
Medieval Pottery Regional Research Groups: Their Contribution at a Local Level
Creators: name: Hurman, Barbara
name: Walker, Helen
name: Nenk, Beverley S
name: Perry, Gareth
name: Ponsford, Mike
name: Kent, Oliver
name: Dawson, David P
name: Allen, John P
name: R�Tkai, Stephanie
name: Cumberpatch, Chris
name: Mepham, Lorraine
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 36, 89-98
description: The history of the Medieval Pottery Research Group (MPRG) would not be complete if it were not for the involvement of the local research groups which either inspired or evolved from the main society. The local groups provide additional meetings to that of the annual conference and allow for the exchange of information at 'grass roots' and wider levels. This paper was inspired by Anna Slowikowski's active participation in the South-East Midlands Medieval Pottery Research group, which under her joint tenure with other organisers, insured that at least two meetings of this group happened each year. In this paper, the present regional organisers of the local groups were asked for a contribution concerning reminiscences of Anna's involvement or aspects of their involvement with regional groups and what these activities at a local level achieved.
Algorithms for integrals of holonomic functions over domains defined by polynomial inequalities
Creators: name: Oaku, Toshinori
Publisher: name: arXiv
Year: 2011
Subjects: subject: Symbolic Computation (cs.SC)
subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: We present an algorithm for computing a holonomic system for a definite integral of a holonomic function over a domain defined by polynomial inequalities. If the integrand satisfies a holonomic difference-differential system including parameters, then a holonomic difference-differential system for the integral can also be computed. In the algorithm, holonomic distributions (generalized functions in the sense of L. Schwartz) are inevitably involved even if the integrand is a usual function.
description: corrected typos; Sections 5 and 6 were slightly revised with results unchanged
State Quality-Adjusted Life Expectancy for U.S. adults from 1993 to 2008
Creators: name: Jia, Haomiao
name: Zack, Matthew M.
name: Thompson, William W.
Publisher: name: Columbia University
Year: 2011
Subjects: Life expectancy
Health expectancy
Quality of life
Public health
Mortality

description: Purpose:
Quality-Adjusted Life Expectancy (QALE) is a summary measure of mortality and health-related quality of life (HRQOL) across different stages of life. This study developed a method to calculate state-level QALE for U.S. adults.

Methods:
Population HRQOL data came from the Behavioral Risk Factor Surveillance System (BRFSS). Using age-specific deaths from the Mortality Summary File, this study constructed life tables to estimate life expectancy and QALE for all 50 States and the District of Columbia by sex and race from 1993 through 2008.

Results:
From 1993 to 2008, the QALE of an U.S. adult at 18 years old had increased from 51.2 to 52.3 years. In 2006, states with the highest QALE were Hawaii (56.2), Minnesota (55.2), North Dakota (54.9), Iowa (54.7), and Nebraska (54.4), while the states with the lowest QALE were West Virginia (47.1), Mississippi (48.2), Alabama (48.5), Kentucky (48.5), and Oklahoma (49.0).

Conclusions:
Because population HRQOL values and mortality statistics are available from existing and publicly accessible data and because formulas for the calculation of QALE and its standard error are easy to incorporate in a spreadsheet, State and local Health Departments can calculate QALE as a routine surveillance measurement for tracking their population’s health over time.
Forming Identities, Transcending Boundaries: The Trade and Consumption of Bearded Face Jugs in the North Sea Region, 1200-1350
Creators: name: Green, Kelly
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 37-38, 127-150
description: This paper explores the role of bearded face jugs in constructing identities in later medieval England, specifically in relation to urbanism, commercialism and masculinity. The main focus is on the face jugs produced by the ceramic industry at Grimston, Norfolk. An examination of the regional distribution of these vessels provides insights into the role of face jugs in constructing identities across a wide geographical and social spectrum. Nodal points in the trade and consumption of these vessels are identified at commercially important waterside settlements at King's Lynn and Norwich. It is argued that face jugs were active in constructing bonds of common interest and identity amongst the mercantile and artisan populations of these settlements. It is further suggested that the symbolic properties of these vessels, which drew upon the virile associations of beards, links these vessels to the construction of new forms of masculinity developing in 13th-century towns and ports.
Late Roman and Early Medieval Ceramics from Sao Martinho de Dume (Braga). A Preliminary Analysis
Creators: name: Martinez Pe��N, Raquel
name: Fontes, Luis
name: Andrade, Francisco
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 37-38, 1-10
description: The main objective of this study is to analyze the ceramics, both imported and local, which were recovered from the Late Antique and early medieval phases of activity revealed by several excavations carried out in Sao Martinho Dume, Portugal. After characterising the ceramics collected during this archaeological work, the assemblage is compared with contemporary material from the city of Braga.
Heterodermia pseudospeciosa W. L. Culb.
Creators: name: Ramírez-Roncallo, Kevin
name: Gómez-Ramírez, Hugo
name: Negritto, María A.
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Fungi
Ascomycota
Lecanoromycetes
Caliciales
Physciaceae
Heterodermia
Heterodermia pseudospeciosa

description: Heterodermia pseudospeciosa (Kurok.) W. L. Culb. Figure 3E Materials examined. COLOMBIA • Magdalena, Santa Marta, locality of Minca, Bella Vista village, Villa Kelly coffee farm; 11°05.67′N, 074°04.87′W; 1550 m a.s.l.; 28 Jun. 2017; K. Ramírez Roncallo leg.; KRR 225; CBUMAG:LIC:397. Identification. Lobes with excavate or pseudocyphellate margins, forming non-convergent lateral soralia; presence of nordistic acid in the medulla (K + red) (Díaz-Escandón 2017). Ecology and distribution. Heterodermia pseudospeciosa has been recorded in the departments of Cauca, Cundinamarca, Risaralda, and Valle del Cauca, in lowlands, foothills of the Andean mountains, and Andean forests, from 900 to 2700 m a.s.l., on bark, rocks, and wooden fences (Díaz-Escandón 2017). In SNSM, it was found in coffee crops in the sub-Andean forest, at 1550 m a.s.l., on bark.
description: Published as part of Ramírez-Roncallo, Kevin, Gómez-Ramírez, Hugo & Negritto, María A., 2020, New records of lichenized fungi in Sierra Nevada de Santa Marta, Colombia, pp. 1421-1431 in Check List 16 (6) on page 1427, DOI: 10.15560/16.6.1421
description: {"references": ["Diaz-Escandon D (2017) La tribu Heterodermieae Trevis. en Colombia. Master tesis, Universidad del Valle, Cali, 115 pp."]}
Covariant Symplectic Structure and Conserved Charges of New Massive Gravity
Creators: name: Alkac, Gokhan
name: Devecioglu, Deniz Olgu
Publisher: name: arXiv
Year: 2012
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We show that the symplectic current obtained from the boundary term, which arises in the first variation of a local diffeomorphism invariant action, is covariantly conserved for any gravity theory described by that action. Therefore, a Poincare invariant 2-form can be constructed on the phase space, which is shown to be closed without reference to a specific theory. Finally, we show that one can obtain a charge expression for gravity theories in various dimensions, which plays the role of the Abbott-Deser-Tekin (ADT) charge for spacetimes with non-constant curvature backgrounds, by using the diffeomorphism invariance of the symplectic 2-form. As an example, we calculate the conserved charges of some solutions of New Massive Gravity (NMG) and compare the results with the previous works.
description: 18 pages, No figures, RevTEX4.1; ver 2: minor corrections, version accepted for publication in Physical Review D
Inflating a chain of x-ray deficient bubbles by a single jet activity episode
Creators: name: Refaelovich, Michael
name: Soker, Noam
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We show that a continuous jet with time-independent launching properties can inflate a chain of close and overlapping X-ray deficient bubbles. Using the numerical code PLUTO we run 2.5D (i.e. spherical coordinate system with cylindrical symmetry) hydrodynamic simulations and study the interaction of the jets with the intra-cluster medium (ICM). A key process is vortex fragmentation due to several mechanisms, including vortex-shedding and Kelvin-Helmholtz (KH) instabilities. Our results can account for the structure of two opposite chains of close bubbles as observed in the galaxy cluster Hydra A. Our results imply that the presence of multiple pairs of bubbles does not necessarily imply several jet-launching episodes. This finding might have implications to feedback mechanisms operating by jets.
description: Accepted by ApJ Letters
Additional file 1 of Riding high: seroprevalence of SARS-CoV-2 after 4 pandemic waves in Manitoba, Canada, April 2020–February 2022
Creators: name: Duong, Scotty
name: Burtniak, Julian
name: Gretchen, Ainsley
name: Mai, Anh
name: Klassen, Penny
name: Wei, Yichun
name: Loeppky, Carla
name: Shaw, Souradet Y.
name: Bullard, Jared
name: Van Caeseele, Paul
name: Stein, Derek Riley
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1: Supplemental Figure 1. Demographic information including sex, age group and regional health authority of all participant specimens included in the study (total 14,901 specimens). Supplemental Figure 2. Algorithm that defines antibody response for natural infection as well as total immunity on a population level. Supplemental Figure 3. Nucleocaspid responses for specimens with repeat testing within the Manitoba COVID seroprevalence study. Supplemental Figure 4. S/CO (log10) of nucleocapsid and spike IgG antibody responses throughout the pandemic. Supplemental Figure 5. Nucleocapsid IgG antibody responses (log10) grouped by age category for specimens collected in the Manitoba COVID seroprevalence study.
Essays on the persistence of leverage in residual-based portfolio sorts
Creators: name: Mueller, Michael
Publisher: name: University of British Columbia
Year: 2012

description: Firm leverage is a slow-moving, persistent variable. This persistence remains after controlling for leverage determinants. When firms are sorted into portfolios on the basis of residuals from a regression of leverage on various factors, and then tracked for 20 years, the mean leverage level of these portfolios still exhibits long-term persistence and slow convergence over time, as documented by Lemmon et al. (2008). My thesis focuses on measurement error in the explanatory variables as a possible driver behind this long-run persistence. I show theoretically in Chapter 2 that if a firm's leverage dynamics are driven by a persistent explanatory variable that is measured with error, using the mismeasured explanatory variable in a regression can create persistence in residual-sorted portfolios: conditional on an observed residual, future expectations of leverage are no longer equal to the unconditional mean. Instead, a large positive residual will forecast above average future leverage. This is because the estimated residual is correlated with the unobservable explanatory variable, which in turn predicts leverage. In Chapter 3, I quantify the amount of measurement error that is consistent with the documented persistence of leverage in residual-based portfolio sorts. If we assume that a single factor drives leverage (we can think of this factor as a composite of many tradeoff theory-based explanatory variables), then the measurement error variance of this single “composite" variable needs to be 42% larger than its cross-sectional variance. While this seems large, even smaller levels of measurement error produce a remarkable level of persistence in residual-based portfolio sorts. I then examine several explanatory variables used in regressions in the literature, namely a firm's profitability, the tangibility of its assets, the market-to-book ratio, and industry leverage. I find that low quantities of measurement error in profitability, tangibility, and industry leverage, coupled with a measurement variance equal to about 80% of the cross-sectional variation in the market to book ratio, produce a good fit of simulated sample data moments to empirical moments. This is an interesting finding, since it suggests that unobserved investment opportunities may play an important role in explaining leverage ratios.
Outpacing Pandemics  Solving the First and Last Mile Challenges of Data-Driven Policy Making
Creators: name: Verhulst, Stefaan
name: Cattuto, Ciro
name: Paolotti, Daniela
name: Vespignani, Alessandro
Publisher: name: Zenodo
Year: 2024
Subjects: Pandemic
Data Science
Policy
Citizens
Data Stewards

description: In this post, published in Data & Policy blog site on Medium, the authors discuss the lessons of COVID-19, the need for proactive data-driven policy for future pandemics and the importance of institutionalizing the role of data stewards.
A Late Medieval Pottery Assemblage from a Cesspit at the Site of the Emile Braun Square in Ghent, Belgium
Creators: name: De Mulder, Jelle
Publisher: name: Archaeology Data Service
Year: 2023

description: Medieval Ceramics: Journal of the Medieval Ceramics Research Group, 37-38, 105-126
description: In 2009 a rescue excavation was carried out by the Dienst Stadsarcheologie Gent (City of Ghent archaeology department) ahead of redevelopment at Emile Braun Square, Ghent. A cesspit belonging to a patrician property was discovered, containing four ceramic-bearing layers, dating from the second half of the 14th century to the first half of the 16th century. A discussion of the chronological and taphonomic issues is presented, based on the data from the quantitative and morphological analyses. The context contains some (relatively) rare finds, including a piglet-shaped flute/whistle in local redware, double-handled jars (grapen) in Tournai- type Whiteware and Valencian Lustreware which can provide insights into the socio-economic status of its consumers. Furthermore, as a part of the archaeological side of the overarching KOBRA research project, this paper is a small contribution to the study of urban development in Ghent's historical centre.
Generalized blow-up of corners and fiber products
Creators: name: Kottke, Chris
name: Melrose, Richard B.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Geometric Topology (math.GT)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 57R99, 14B05

description: Real blow-up, including inhomogeneous versions, of boundary faces of a manifold (with corners) is an important tool for resolving singularities, degeneracies and competing notions of homogeneity. These constructions are shown to be particular cases of `generalized boundary blow-up' in which a new manifold and blow-down map are constructed from, and conversely determine, combinatorial data at the boundary faces in the form of a refinement of the `basic monoidal complex' of the manifold. This data specifies which notion of homogeneity is realized at each of the boundary hypersurfaces in the blown-up space. As an application of this theory, the existence of fiber products is examined for the natural smooth maps in this context, the b-maps. Transversality of the b-differentials is shown to ensure that the set-theoretic fiber product of two maps is a `binomial variety'. Properties of these (extrinsically defined) spaces, which generalize manifolds but have mild singularities at the boundary, are investigated and a condition on the basic monoidal complex is found under which the variety has a smooth structure. Applied to b-maps this additional condition with transversality leads to a universal fiber product in the context of manifolds with corners. Under the transversality condition alone the fiber product is resolvable to a smooth manifold by generalized blow-up and then has a weaker form of the universal mapping property requiring blow-up of the domain.
description: 53 pages, to appear in Transactions of the AMS. Includes revisions suggested by the referee