cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
LaserGauge : development of a device for automatic measurement of bore depth in bone during surgery
Creators: name: Demsey, Daniel
Publisher: name: University of British Columbia
Year: 2017

description: Purpose: This thesis comprised two main phases. Initial work focused on clarifying the need and use case for a novel device to measure drilled bore depth in bone during osteosynthesis surgery. Next, I demonstrated the feasibility and reliability of an optical sensing device for automatic measurement of drilled bore depth in bone during surgery compared with conventional methods. Methods: I completed a structured Needs Assessment followed by an Engineering Design process to develop a series of prototypes using laser displacement sensors mounted on a surgical drill to determine drilled bore depth in bone. In all versions of the prototypes bore depth was computed based on a characteristic pattern of drilling velocity in bicortical bone. Prototypes consisted of one or more laser displacement sensors sending displacement and time data to a microprocessor and then a personal computer. After data filtering with a second order Butterworth filter velocity and acceleration were calculated using differentiation and double differentiation. Characteristic spikes in velocity and acceleration indicated cortical breach and allowed identification of bore depth. Exploratory experiments were done with multiple sensor arrangement concepts in porcine long bones, and more rigorous final evaluation experiments were done with the lead designs in pig hind limbs with comparison to CT scan as ‘gold standard’. Results: In exploratory experiments a design involving two laser displacement sensors angled towards the drilling axis measuring distance from a mock drill guide performed better than alternative designs. This design in final evaluation experiments showed superior performance to the conventional depth gauge under three clinically relevant drilling conditions (standard deviation 0.70 mm vs. 1.38 mm, 0.86 mm vs. 3.79 mm, 0.80 mm vs. 3.19 mm). A positive bias was present in all drilling conditions. Conclusions: An optical sensing device can be used to measure bore depth in bone during surgery.
Non-Markovianity assisted Steady State Entanglement
Creators: name: Huelga, Susana F.
name: Rivas, Ángel
name: Plenio, Martin B.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We analyze the steady state entanglement generated in a coherently coupled dimer system subject to dephasing noise as a function of the degree of Markovianity of the evolution. By keeping fixed the effective noise strength while varying the memory time of the environment, we demonstrate that non-Markovianity is an essential, quantifiable resource that may support the formation of steady state entanglement whereas purely Markovian dynamics governed by Lindblad master equations lead to separable steady states. This result illustrates possible mechanisms leading to long-lived entanglement in purely decohering, possibly local, environments. We present a feasible experimental demonstration of this noise assisted phenomenon using a system of trapped ions.
description: 5 pages, 3 figures. Replaced with published version
Stepwise Filter Correlation Method and Evidence of Superposed Variability Components in GRB Prompt Emission Lightcurves
Creators: name: Gao, He
name: Zhang, Bin-Bin
name: Zhang, Bing
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Gamma-ray bursts (GRBs) have variable lightcurves. Although most models attribute the observed variability to one physical origin (e.g. central engine activity, clumpy circumburst medium, relativistic turbulence), some models invoke two physically distinct variability components. We develop a method, namely, the stepwise filter correlation (SFC) method, to decompose the variability components in a GRB lightcurve. Based on a low-pass filter technique, we progressively filter the high frequency signals from the lightcurve, and then perform a correlation analysis between each adjunct pair of filtered lightcurves. Our simulations suggest that if a mock lightcurve contains a slow variability component superposed on a rapidly varying time sequence, the correlation coefficient as a function of the filter frequency would display a prominent dip feature around the frequency of the slow component. Through simulations, we demonstrate that this method can identify significant clustering structures of a lightcurve in the frequency domain, and proved that it can catch superposed signals that are otherwise not easy to retrieve based on other methods (e.g. the power density spectrum analysis method). We apply this method to 266 BATSE bright GRBs. We find that the majority of the bursts have clear evidence of such a superposition effect. We perform a statistical analysis of the identified variability components, and discuss the implications for GRB physics.
description: ApJ, in press. More detailed analyses on the SFC method performed and presented. Main conclusion unchanged. 17 pages, 8 figures, 1 table
Photoluminescence of Germanium(II), Tin(II) and Lead(II) Chloride Complexes in Solution
Creators: name: Nikol, H.
name: Becht, A.
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1992
Subjects: subject: 540 Chemie

description: The absorption and emission spectra of GeC13-, SnC13-, PbC13-, and PbC142- in acetonitrile were recorded. In addition, emission quantum yields and lifetimes were determined. The emitting excited states are of the metalcentered sp type and originate from the 3P state of the free s2 ions. It is suggested that the complex ions which have trigonal-pyramidal C3” (MC13-) and seesaw C2, (PbC1d2-) structures in the ground state rearrange toward trigonalplanar D3h and tetrahedral Td geometries, respectively, in their sp excited states.
Electron-Electron Interactions in Graphene: Current Status and Perspectives
Creators: name: Kotov, Valeri N.
name: Uchoa, Bruno
name: Pereira, Vitor M.
name: Guinea, F.
name: Neto, A. H. Castro
Publisher: name: arXiv
Year: 2010
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We review the problem of electron-electron interactions in graphene. Starting from the screening of long range interactions in these systems, we discuss the existence of an emerging Dirac liquid of Lorentz invariant quasi-particles in the weak coupling regime, and strongly correlated electronic states in the strong coupling regime. We also analyze the analogy and connections between the many-body problem and the Coulomb impurity problem. The problem of the magnetic instability and Kondo effect of impurities and/or adatoms in graphene is also discussed in analogy with classical models of many-body effects in ordinary metals. We show that Lorentz invariance plays a fundamental role and leads to effects that span the whole spectrum, from the ultraviolet to the infrared. The effect of an emerging Lorentz invariance is also discussed in the context of finite size and edge effects as well as mesoscopic physics. We also briefly discuss the effects of strong magnetic fields in single layers and review some of the main aspects of the many-body problem in graphene bilayers. In addition to reviewing the fully understood aspects of the many-body problem in graphene, we show that a plethora of interesting issues remain open, both theoretically and experimentally, and that the field of graphene research is still exciting and vibrant.
description: Review Article to appear in Reviews of Modern Physics. 62 pages, 44 figures
Absorption and Emission Spectrum of [Zn₄0(Acetate)₆]
Creators: name: Vogler, Arnd
name: Kunkely, Horst
Publisher: name: Universität Regensburg
Year: 1990
Subjects: subject: 540 Chemie

description: The electronic spectrum of [Zn4O(acetate)6] in solution is characterized by an absorption (λmax.= 216 nm) and emission (λmax.= 372 nm) band; it is assigned to a ligand-to-metal charge-transfer (LMCT) transition, which corresponds to the band-gap transition of the semiconductor ZnO.
Optical Metal to Ligand Charge Transfer of 2,2'-Bipyridyl Complexes of Antimony(III) and Bismuth(III)
Creators: name: Kunkely, Horst
name: Paukner, A.
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1989
Subjects: subject: 540 Chemie

description: The complexes [M(2,2′-bipyridyl)X3], with M = Sb, Bi and X = Cl, Br, I, are characterized by long-wavelength metal-to-ligand charge-transfer (MLCT) bands which determine the colours of these compounds in the solid state. The energy of the MLCT bands depends on the reducing strength of the metal and the extent of sp mixing of the lone electron pair at the metal.
Additional file 1 of The use of traditional medicine practitioner services for childhood illnesses among childbearing women: a multilevel analysis of demographic and health surveys in 32 sub-Saharan African countries
Creators: name: James, Peter Bai
name: Gyasi, Razak M.
name: Kasilo, Ossy Muganga Julius
name: Wardle, Jon
name: Bah, Abdulai Jawo
name: Yendewa, George A.
name: Mwaka, Amos Deogratius
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Additional file 1.
Extracting the size of the cosmic electron-positron anomaly
Creators: name: Auchettl, Katie
name: Balázs, Csaba
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We isolated the anomalous part of the cosmic electron-positron flux within a Bayesian likelihood analysis. Using 219 recent cosmic ray spectral data points, we inferred the values of selected cosmic ray propagation parameters. In the context of the propagation model coded in GalProp, we found a significant tension between the electron positron related and the rest of the fluxes. Interpreting this tension as the presence of an anomalous component in the electron-positron related data, we calculated background predictions for PAMELA and Fermi-LAT based on the non-electron-positron related fluxes. We found a deviation between the data and the predicted background even when uncertainties, including systematics, were taken into account. We identified this deviation with the anomalous electron-positron contribution. We briefly compared this model independent signal to some theoretical results predicting such an anomaly.
description: 35 pages with 4 Figures and 2 Tables. References added, accepted for publication in ApJ
Photo-oxidation of organic compounds in the presence of titanium dioxide: determination of efficiency
Creators: name: Sabin, F.
name: Türk, T.
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1992
Subjects: subject: 540 Chemie

description: The photo-oxidation of 23 compounds (benzene, haloaromatics, chloroalkenes, haloalkanes, bis-(2-chloroethyl)ether, 1-hydroxyethane-1, 1-diphosphonate and ethylenediamine-N,N,N′,N′-acetic acid) in aqueous solution with titanium dioxide as the photocatalyst was investigated. The plots of photo-oxidation rate vs. irradiation time were analysed on the basis of a simple kinetic model for homogeneous reactions. This model yielded formal rate constants which serve as a general measure for the efficiency of photo-oxidation.
Generalized Geologic Map for Land-Use Planning: Morgan County, Kentucky
Creators: name: Carey, Daniel I.
Publisher: name: Kentucky Geological Survey, University of Kentucky
Year: 2007

description: Abstract:
This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site-to-site basis. At any site, it is important to understand the characteristics of both the soils and the underlying rock.
Additional file 1 of Loneliness and trust issues reshape mental stress of expatriates during early COVID-19: a structural equation modelling approach
Creators: name: Billah, Md Arif
name: Akhtar, Sharmin
name: Khan, Md. Nuruzzaman
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Neuroscience
subject: Sociology
subject: FOS: Sociology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. Supplementary file.
Cosmography: Supernovae Union2, Baryon Acoustic Oscillation, Observational Hubble Data and Gamma Ray Bursts
Creators: name: Xu, Lixin
name: Wang, Yuting
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: In this paper, a parametrization describing the kinematical state of the universe via cosmographic approach is considered, where the minimum input is the assumption of the cosmological principle, i.e. the Friedmann-Robertson-Walker metric. A distinguished feature is that the result does not depend on any gravity theory and dark energy models. As a result, a series of cosmographic parameters (deceleration parameter $q_0$, jerk parameter $j_0$ and snap parameter $s_0$) are constrained from the cosmic observations which include type Ia supernovae (SN) Union2, the Baryon Acoustic Oscillation (BAO), the observational Hubble data (OHD), the high redshift Gamma ray bursts (GRBs). By using Markov Chain Monte Carlo (MCMC) method, we find the best fit values of cosmographic parameters in $1σ$ regions: $H_0=74.299^{+4.932}_{-4.287}$, $q_0=-0.386^{+0.655}_{-0.618}$, $j_0=-4.925^{+6.658}_{-7.297}$ and $s_0=-26.404^{+20.964}_{-9.097}$ which are improved remarkably. The values of $q_0$ and $j_0$ are consistent with flat $Λ$CDM model in $1σ$ region. But the value of $s_0$ of flat $Λ$CDM model will go beyond the $1σ$ region.
description: 10 pages, 3 figures, match the published version
Flow visualization in 3D printed PEM fuel cell bipolar plates
Creators: name: Piri, Hossein
Publisher: name: University of British Columbia
Year: 2017

description: In recent years, due to the public concern on global warming, both increasing energy efficiency and developing green energy become crucially important. Fuel cells can be one of the most suitable clean energy solutions for the environment because of its high energy conversion efficiency and near zero emissions of criteria air pollutants at the use stage. To increase the energy efficiency of fuel cells, effectively utilize the Pt catalyst and increase the fuel cell durability, the uniform distribution of the reactants over the fuel cell active area is of great importance. Over the last decade, many researchers have focused on developing flow field design to homogenously distribute the reactant and to decrease the pressure drop in the bipolar plates. However, most of the previous studies are in the stage of numerical simulation, and the few experimental studies have used very simple flow field geometries. Not to mention that complex transport phenomena inside a fuel cell make even the numerical simulation challenging and time consuming, which hinders the quick screening of proposed modifications and new designs. While the conventional fabrication techniques are expensive and time consuming, 3D printing is a very good rapid prototyping method that can be used both to validate the simulation results and to supplement the tedious simulation work. The question is whether the results from 3D printed flow fields could be as accurate and reliable as flow fields fabricated with conventional methods. In the present research, we investigated the applicability of 3D printing in validating the simulation results and as a fast screening method. State of the art designs for anode, cathode and water cooling BPPs proposed and fabricated using Polyjet 3D printing, SLA 3D printing and laser-cutter technologies and the pressure drop and velocity profiles were measured for each plate. The results demonstrated that SLA 3D printing has great promises to serve as a screening tool in modifying the flow field design, as well as in validating the simulation results.
Glutathione Dysregulation, Cardiac Oxidative Stress, and Inflammation during n-6 Polyunsaturated Fatty Acid Overload
Creators: name: Botta, Amy
Publisher: name: University of British Columbia
Year: 2017

description: Historically dietary saturated fats were blamed for cardiovascular disease (CVD). However, lowering dietary saturated fats did not curb CVD rates and instead detrimental roles of n-6 polyunsaturated fatty acid (n-6 PUFA) which was used to substitute saturated fats have come to the forefront. My objective was to identify mechanisms leading to dietary n-6 PUFA induced CVDs using mice and cell models. Here isocaloric diets rich in n-6 PUFA or monounsaturated fatty acids (MUFA) were used in vivo or cardiac cells like cardiomyocytes and fibroblasts were incubated with n-6 PUFA or MUFA in vitro. We established that n-6 PUFA reduced glutathione (GSH), promoted oxidative stress and impaired mitochondrial function. n-6 PUFA diets also increased pro-inflammatory cytokines and impaired GSH synthesis in vivo. Removal of a primary pro-inflammatory stimulus by using mice deficient in monocyte chemotactic protein 1 (MCP-1) restored GSH and lowered inflammation in n-6 PUFA-fed MCP-1-/- mice (chapter 2). Although inflammatory biomarkers were high in n-6 PUFA incubated cells, treatment with LPS lowered murine macrophage function suggesting a dysregulated immune response. This dysregulated immune response was also reversed by increasing GSH in macrophages. These data indicate that n-6 PUFA increases inflammatory biomarkers but impairs macrophage function due to GSH depletion (chapter 3). Finally, as cell death is a major contributor to CVD, my final chapter 4 showed that under cardiac stress induced by beta-adrenergic agonist, isoproterenol, n-6 PUFA promotes necrosis, increases in cytochrome P450-induced metabolites and a reduction in DNA repair genes. Overall, these results show the key roles of GSH dysregulation in n-6 PUFA induced inflammation, which could be key novel mediator of PUFA-specific cardiotoxicity in the Western world.
Additional file 1 of Risk factors for postpartum maternal mortality and hospital readmission in low- and middle-income countries: a systematic review
Creators: name: Symonds, Nicola E.
name: Vidler, Marianne
name: Wiens, Matthew O.
name: Omar, Shazmeen
name: English, L. Lacey
name: Ukah, U. Vivian
name: Ansermino, J. Mark
name: Ngonzi, Joseph
name: Bebell, Lisa M.
name: Hwang, Bella
name: Christoffersen-Deb, Astrid
name: Kissoon, Niranjan
name: Payne, Beth A.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Cell Biology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1. MEDLINE search strategy (database inception – January 9, 2021).
Misaligned incentives in sports: A mathematical analysis of the post-2024 UEFA Champions League qualification
Creators: name: Csató, László
name: Ilyin, Sergey
Publisher: name: arXiv
Year: 2024
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences
subject: 62F07, 90B90, 91B14

description: UEFA declares that it is committed to respecting the fundamental values of sports. However, the qualification rules of the post-2024 UEFA Champions League are shown to be unfair: a game with misaligned incentives was narrowly avoided in the 2023/24 German Bundesliga. We develop a mathematical model to reveal how incentives for losing can be reduced or eliminated. Since UEFA repeatedly commits the same theoretical mistake in designing the qualification system of its competitions, governing bodies in sports are called to work more closely together with the scientific community.
description: 14 pages, 1 figure, 2 tables
The second Stiefel-Whitney classes of l-adic cohomology
Creators: name: Saito, Takeshi
Publisher: name: arXiv
Year: 2010
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14F20 (Primary) 11G25 (Secondary)

description: For a proper smooth variety of even dimension over a field of characteristic different from 2 or l, the second Stiefel-Whitney class of the l-adic cohomology and the second Hasse-Witt class of the de Rham cohomology are both defined in the second Galois homology. We state a conjecture on their relation and give several evidences.
description: 43 pages. The title is changed and more details are included
Prompting or Fine-tuning? Exploring Large Language Models for Causal Graph Validation
Creators: name: Susanti, Yuni
name: Holsmoelle, Nina
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computation and Language (cs.CL)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: This study explores the capability of Large Language Models (LLMs) to evaluate causality in causal graphs generated by conventional statistical causal discovery methods-a task traditionally reliant on manual assessment by human subject matter experts. To bridge this gap in causality assessment, LLMs are employed to evaluate the causal relationships by determining whether a causal connection between variable pairs can be inferred from textual context. Our study compares two approaches: (1) prompting-based method for zero-shot and few-shot causal inference and, (2) fine-tuning language models for the causal relation prediction task. While prompt-based LLMs have demonstrated versatility across various NLP tasks, our experiments on biomedical and general-domain datasets show that fine-tuned models consistently outperform them, achieving up to a 20.5-point improvement in F1 score-even when using smaller-parameter language models. These findings provide valuable insights into the strengths and limitations of both approaches for causal graph evaluation.
Additional file 2 of Risk factors for postpartum maternal mortality and hospital readmission in low- and middle-income countries: a systematic review
Creators: name: Symonds, Nicola E.
name: Vidler, Marianne
name: Wiens, Matthew O.
name: Omar, Shazmeen
name: English, L. Lacey
name: Ukah, U. Vivian
name: Ansermino, J. Mark
name: Ngonzi, Joseph
name: Bebell, Lisa M.
name: Hwang, Bella
name: Christoffersen-Deb, Astrid
name: Kissoon, Niranjan
name: Payne, Beth A.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Cell Biology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 2. EMBASE search strategy (database inception – January 9, 2021).
Combinatorics on permutation tableaux of type $A$ and type $B$
Creators: name: Corteel, Sylvie
name: Kim, Jang Soo
Publisher: name: arXiv
Year: 2010
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: We give another bijective proof of a result of Corteel and Nadeau. We find a generating function related to unrestricted columns of permutation tableaux. As a consequence, we obtain a sign-imbalance formula for permutation tableaux. We extend the first bijection of Corteel and Nadeau between permutations and permutation tableaux to type $B$ objects. Using this type $B$ bijection, we generalize a result of Lam and Williams. We prove that the bijection of Corteel and Nadeau and our type $B$ bijection can be expressed as zigzag maps on the alternative representation.
description: 20 pages, 9 figures, final version
Cadmium Benzenethiolate Clusters of Various Size: Molecular Models for Metal Chalcogenide Semiconductors
Creators: name: Türk, T.
name: Resch, U.
name: Fox, M. A.
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1992
Subjects: subject: 540 Chemie

description: The optical and electrochemical properties of three cadmium benzenethiolate clusters, Cd(SPh)4 2-, Cd4(SPh)10 2-, and Cd10 $4(SPh)16 4-, are studied as function of the cluster size. The Cdn clusters (n = 1,4, 10) which may represent molecular models for the semiconductor CdS show structured absorption spectra that are assigned to both ligand-to-metal charge-transfer (LMCT) and intraligand transitions. The absorption and emission bands of Cd10 are red-shifted compared to those of Cd1 and Cd4. The emission of the Cdn clusters (n = 4, 10) is ascribed to a LMCT transition as suggested by the short luminescence lifetimes and the red shift with increasing cluster size. Illumination of the Cdn clusters yields thianthrene, dibenzothiophene, and benzenethiol, the rate of photodegradation depending on the cluster size. Electrochemical studies of Cdn show that, with increasing cluster size, the oxidation potential is shifted negative while the reduction potential is shifted positive. Both Cd4 and Cd10 form charge-transfer complexes with methyl viologen. However, steady-state illumination of these clusters in the presence of methyl viologen does not result in the formation of the methyl viologen radical cation.
Impactos en la geografía vitivinícola mundial y en Portugal
Creators: name: Santos, João Carlos Andrade
name: Fraga, Helder
name: Moutinho-Pereira, José
name: Malheiro, Aureliano C.
Publisher: name: Zenodo
Year: 2019

description: Impactos en la geografía vitivinícola mundial y en Portugal. In El sector vitivinícola frente al desafío del cambio climático. Estrategias públicas y privadas de mitigación y adaptación en el Mediterráneo. Compés, R.; Sotés, V. (Editors). Cajamar-Caja Rural, Spain. ISBN: 978-84-95531-92-6. Volume 1, Chapter 1, 21-43.

http://www.publicacionescajamar.es/series-tematicas/informes-coyuntura-monografias/el-sector-vitivinicola-frente-al-desafio-del-cambio-climatico-estrategias-publicas-y-privadas-de-mitigacion-y-adaptacion-en-el-mediterraneo/
Deciphering nonfemtoscopic two-pion correlations in $p+p$ collisions with simple analytical models
Creators: name: Akkelin, S. V.
name: Sinyukov, Yu. M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A simple model of nonfemtoscopic particle correlations in proton-proton collisions is proposed. The model takes into account correlations induced by the conservation laws as well as correlations induced by minijets. It reproduces well the two-pion nonfemtoscopic correlations of like-sign and unlike-sign pions in proton-proton collision events at $\sqrt{s} = 900$ GeV analyzed by the ALICE Collaboration. We also argue that similar nonfemtoscopic correlations can appear in the hydrodynamic picture with event-by-event fluctuating nonsymmetric initial conditions that are typically associated with nonzero higher-order flow harmonics.
description: 21 pages, 10 figures, misprints corrected
Additional file 3 of Risk factors for postpartum maternal mortality and hospital readmission in low- and middle-income countries: a systematic review
Creators: name: Symonds, Nicola E.
name: Vidler, Marianne
name: Wiens, Matthew O.
name: Omar, Shazmeen
name: English, L. Lacey
name: Ukah, U. Vivian
name: Ansermino, J. Mark
name: Ngonzi, Joseph
name: Bebell, Lisa M.
name: Hwang, Bella
name: Christoffersen-Deb, Astrid
name: Kissoon, Niranjan
name: Payne, Beth A.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Cell Biology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 3. CINAHL search strategy (database inception – January 9, 2021).
Approximations for many-body Green's functions: insights from the fundamental equations
Creators: name: Lani, Giovanna
name: Romaniello, Pina
name: Reining, Lucia
Publisher: name: arXiv
Year: 2011
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Several widely used methods for the calculation of band structures and photo emission spectra, such as the GW approximation, rely on Many-Body Perturbation Theory. They can be obtained by iterating a set of functional differential equations relating the one-particle Green's function to its functional derivative with respect to an external perturbing potential. In the present work we apply a linear response expansion in order to obtain insights in various approximations for Green's functions calculations. The expansion leads to an effective screening, while keeping the effects of the interaction to all orders. In order to study various aspects of the resulting equations we discretize them, and retain only one point in space, spin, and time for all variables. Within this one-point model we obtain an explicit solution for the Green's function, which allows us to explore the structure of the general family of solutions, and to determine the specific solution that corresponds to the physical one. Moreover we analyze the performances of established approaches like $GW$ over the whole range of interaction strength, and we explore alternative approximations. Finally we link certain approximations for the exact solution to the corresponding manipulations for the differential equation which produce them. This link is crucial in view of a generalization of our findings to the real (multidimensional functional) case where only the differential equation is known.
description: 17 pages, 7 figures
Effects of anisotropic dynamics on cosmic strings
Creators: name: Kunze, Kerstin E.
name: Sakellariadou, Mairi
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The dynamics of cosmic strings is considered in anisotropic backgrounds. In particular, the behaviour of infinitely long straight cosmic strings and of cosmic string loops is determined. Small perturbations of a straight cosmic string are calculated. The relevance of these results is discussed with respect to the possible observational imprints of an anisotropic phase on the behaviour of a cosmic string network.
description: 16 pages, 9 figures; matches version published in JCAP
Additional file 4 of Risk factors for postpartum maternal mortality and hospital readmission in low- and middle-income countries: a systematic review
Creators: name: Symonds, Nicola E.
name: Vidler, Marianne
name: Wiens, Matthew O.
name: Omar, Shazmeen
name: English, L. Lacey
name: Ukah, U. Vivian
name: Ansermino, J. Mark
name: Ngonzi, Joseph
name: Bebell, Lisa M.
name: Hwang, Bella
name: Christoffersen-Deb, Astrid
name: Kissoon, Niranjan
name: Payne, Beth A.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Cell Biology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 4. Downs and Black checklist for the assessment of the methodological quality of both randomized and non-randomized studies.
Lojasiewicz exponent of families of ideals, Rees mixed multiplicities and Newton filtrations
Creators: name: Bivià-Ausina, Carles
name: Encinas, Santiago
Publisher: name: arXiv
Year: 2011
Subjects: subject: Algebraic Geometry (math.AG)
subject: Commutative Algebra (math.AC)
subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: 32S05 (Primary) 13H15 (Secondary)

description: We give an expression for the Łojasiewicz exponent of a wide class of n-tuples of ideals $(I_1,..., I_n)$ in $Ø_n$ using the information given by a fixed Newton filtration. In order to obtain this expression we consider a reformulation of Łojasiewicz exponents in terms of Rees mixed multiplicities. As a consequence, we obtain a wide class of semi-weighted homogeneous functions $(\mathbb{C}^n,0)\to (\mathbb{C},0)$ for which the Łojasiewicz of its gradient map $\nabla f$ attains the maximum possible value.
description: 25 pages. Updated with minor changes
Automorphisms of Partially Commutative Groups II: Combinatorial Subgroups
Creators: name: Duncan, Andrew J.
name: Remeslennikov, Vladimir N.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20F36, 20E36

description: We define several "standard" subgroups of the automorphism group Aut(G) of a partially commutative (right-angled Artin) group and use these standard subgroups to describe decompositions of Aut(G). If C is the commutation graph of G, we show how Aut(G) decomposes in terms of the connected components of C: obtaining a particularly clear decomposition theorem in the special case where C has no isolated vertices. If C has no vertices of a type we call dominated then we give a semi-direct decompostion of Aut(G) into a subgroup of locally conjugating automorphisms by the subgroup stabilising a certain lattice of "admissible subsets" of the vertices of C. We then characterise those graphs for which Aut(G) is a product (not necessarily semi-direct) of two such subgroups.
description: 7 figures, 63 pages. Notation and definitions clarified and typos corrected. 2 new figures added. Appendix containing details of presentation and proof of a theorem added
Photoluminescence of [Sn₆O₄(OCH₃)₄]
Creators: name: Kunkely, Horst
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1991
Subjects: subject: 540 Chemie

description: The hexameric complex [Sn6O4(OCH34] shows a low temperature (77 K) photoluminescence of moderate intensity at λmax=565nm. This emission is assumed to originate from a metal-centered sp excited state which is modified by metal-metal interaction in the octahedral Sn(II)6 cluster.
Photoredox Reaction of Triazidomercurate(II). Generation of Stable Mercury Atoms under Ambient Conditions
Creators: name: Kunkely, Horst
name: Vogler, Arnd
Publisher: name: Universität Regensburg
Year: 1989
Subjects: subject: 540 Chemie

description: Upon ligand-to-metal charge-transfer excitation the complex [Hg(N3)3]− in ethanol underwent a photoredox reaction (λirr = 254 nm; Ø = 0.02): [HgII(N3)3]− → Hg0+ 3N2 + N3−. Elemental mercury was released in the form of metal atoms which are stable under ambient conditions.
Grief and the curriculum of cosmopolitanism
Creators: name: Thomas, Samira
Publisher: name: University of British Columbia
Year: 2017

description: In this dissertation, grief is explored as a path to enlivening and enacting a curriculum of cosmopolitanism. Grief in this research is understood as that which presses heavily upon us, that is, grief is not understood solely as bereavement, but as those experiences that weigh heavily on our lives. This research contends that it is through attending to the heaviness of people’s experiences that the relationship between self and other – the foundation of cosmopolitanism – can become central to curriculum. This research suggests that the traditional canon of knowledge that schools and curriculum developers rely on is primarily exclusionary to epistemologies and ontologies of the nonwhite and female world. As a result, the curriculum reflects only certain student populations while others are cast aside as ghosts haunting the curriculum. The undervaluing of certain epistemologies and ontologies in curriculum and society creates space for bigotry and the caricaturizing of the ghosts of the curriculum. Exploring cosmopolitanism while casting aside certain kinds of knowledge and ways of knowing perpetuates non-cosmopolitan realities. For cosmopolitanism to be enacted, it needs to be explored and understood beyond the traditional canon. This dissertation makes use of autobiography to disrupt the cosmopolitan canon. Grief is inherently the endurance of violence, and it is through the Intimate Dialogue, a method of attending to grief inter-subjectively, that violence can be undone. This is a form of pacifism that sheds the notion of passivity and becomes an active response to violence.
Group Testing with Probabilistic Tests: Theory, Design and Application
Creators: name: Cheraghchi, Mahdi
name: Hormati, Ali
name: Karbasi, Amin
name: Vetterli, Martin
Publisher: name: arXiv
Year: 2010
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Identification of defective members of large populations has been widely studied in the statistics community under the name of group testing. It involves grouping subsets of items into different pools and detecting defective members based on the set of test results obtained for each pool. In a classical noiseless group testing setup, it is assumed that the sampling procedure is fully known to the reconstruction algorithm, in the sense that the existence of a defective member in a pool results in the test outcome of that pool to be positive. However, this may not be always a valid assumption in some cases of interest. In particular, we consider the case where the defective items in a pool can become independently inactive with a certain probability. Hence, one may obtain a negative test result in a pool despite containing some defective items. As a result, any sampling and reconstruction method should be able to cope with two different types of uncertainty, i.e., the unknown set of defective items and the partially unknown, probabilistic testing procedure. In this work, motivated by the application of detecting infected people in viral epidemics, we design non-adaptive sampling procedures that allow successful identification of the defective items through a set of probabilistic tests. Our design requires only a small number of tests to single out the defective items. In particular, for a population of size $N$ and at most $K$ defective items with activation probability $p$, our results show that $M = O(K^2\log{(N/K)}/p^3)$ tests is sufficient if the sampling procedure should work for all possible sets of defective items, while $M = O(K\log{(N)}/p^3)$ tests is enough to be successful for any single set of defective items. Moreover, we show that the defective members can be recovered using a simple reconstruction algorithm with complexity of $O(MN)$.
description: Full version of the conference paper "Compressed Sensing with Probabilistic Measurements: A Group Testing Solution" appearing in proceedings of the 47th Annual Allerton Conference on Communication, Control, and Computing, 2009 (arXiv:0909.3508). To appear in IEEE Transactions on Information Theory
Understanding phase transitions of $α$-quartz under dynamic compression conditions by machine-learning driven atomistic simulations
Creators: name: Erhard, Linus C.
name: Otzen, Christoph
name: Rohrer, Jochen
name: Prescher, Clemens
name: Albe, Karsten
Publisher: name: arXiv
Year: 2024
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Characteristic shock effects in silica serve as a key indicator of historical impacts at geological sites. Despite this geological significance, atomistic details of structural transformations under high pressure and shock compression remain poorly understood. This ambiguity is evidenced by conflicting experimental observations of both amorphization and crystallization transitions. Utilizing a newly developed machine-learning interatomic potential, we examine the response of $α$-quartz to shock compression with a peak pressure of 60 GPa over nano-second timescales. We initially observe amorphization before recrystallization into a d-NiAs-structured silica with disorder on the silicon sublattice, accompanied by the formation of domains with partial order of silicon. Investigating a variety of strain conditions enables us to identify the non-hydrostatic stress and strain states that allow the direct diffusionless formation of rosiaite-structured silica.
Stochastic Control of Event-Driven Feedback in Multi-Antenna Interference Channels
Creators: name: Huang, Kaibin
name: Lau, Vincent K. N.
name: Kim, Dongku
Publisher: name: arXiv
Year: 2010
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Spatial interference avoidance is a simple and effective way of mitigating interference in multi-antenna wireless networks. The deployment of this technique requires channel-state information (CSI) feedback from each receiver to all interferers, resulting in substantial network overhead. To address this issue, this paper proposes the method of distributive control that intelligently allocates CSI bits over multiple feedback links and adapts feedback to channel dynamics. For symmetric channel distributions, it is optimal for each receiver to equally allocate the average sum-feedback rate for different feedback links, thereby decoupling their control. Using the criterion of minimum sum-interference power, the optimal feedback-control policy is shown using stochastic-optimization theory to exhibit opportunism. Specifically, a specific feedback link is turned on only when the corresponding transmit-CSI error is significant or interference-channel gain large, and the optimal number of feedback bits increases with this gain. For high mobility and considering the sphere-cap-quantized-CSI model, the optimal feedback-control policy is shown to perform water-filling in time, where the number of feedback bits increases logarithmically with the corresponding interference-channel gain. Furthermore, we consider asymmetric channel distributions with heterogeneous path losses and high mobility, and prove the existence of a unique optimal policy for jointly controlling multiple feedback links. Given the sphere-cap-quantized-CSI model, this policy is shown to perform water-filling over feedback links. Finally, simulation demonstrates that feedback-control yields significant throughput gains compared with the conventional differential-feedback method.
Real Analytic Machines and Degrees
Creators: name: Gärtner, Tobias
name: Ziegler, Martin
Publisher: name: arXiv
Year: 2010
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Logic (math.LO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: F.4.1, F.1.1, G.1.0

description: We study and compare in two degree-theoretic ways (iterated Halting oracles analogous to Kleene's arithmetical hierarchy and the Borel hierarchy of descriptive set theory) the capabilities and limitations of three models of analytic computation: BSS machines (aka real-RAM) and strongly/weakly analytic machines as introduced by Hotz et. al. (1995).
description: 20 pages. A preliminary version of this work had appeared in Proc. CCA 2011, EPTCS vol.24, arXiv:1006.0398v1
TWO!EARS Deliverable D4.3 - Final Integration and Evaluation Report (WP4: Active listening, feedback loops & integration of cross-modal information; FP7-ICT-2013-C TWO!EARS FET-Open Project 618075)
Creators: name: Blauert, Jens
name: Cohen-L'hyver, Benjamin
name: Ryan Kim, Chungeun
name: Wierstorf, Hagen
name: Kashef, Youssef
name: Mohr, Johannes
name: Braasch, Jonas
name: Ma, Ning
name: Argentieri, Sylvain
name: Walther, Thomas
name: Bustamante, Gabriel
name: Danès, Patrick
name: Forgue, Thomas
name: Podlubne, Ariel
name: May, Tobias
name: Guo, Yanmeng
Publisher: name: Zenodo
Year: 2016

description: It is well know that the human auditory system employs manifold feedback from higher to lower processing levels when forming auditory objects, analyzing auditory scenes and, consequently, generating perceptual worlds. This process incorporates input from other sensory modalities, such as vision and tactility. In consequence, auditory worlds are rarely purely auditive but to a certain extent multimodal. In the context of Two!Ears it is of major interest how such auditory and multimodal feedback can be computationally modeled, whereby these model should serve two purposes.

	To allow for experiments that access the effects that specific feedback loops might have on the auditory and cognitive processes that result in formation of perceptual worlds
	To explore possibility for the application of such feedback loops in technology

From the physiological literature it can be inferred that feedback loops may, in principle, originate from all stages of the auditory system up to the cortex, but only a limited number have yet been identified. However, this number is still too high for a three-year project like Two!Ears to cover all of them. Thus, we started with an extensive literature study and then, based on the results of this study (see Deliverable D4.1), set up a list of feedback loops to be actually modeled within our Two!Ears, namely, the Priority List shown on the next page. As will be reported in Chap. 4 of the current document in detail, all items from this list have been dealt with, although not all with the same depth. Looking at the results from the Two!Ears–participants’ point of view, the following items are of particular relevance, regarding scientific as well as application progress. We thus consider them as the highlight amongst our project results as regards auditory and multimodal feedback.

	Turn-to reflex
	Sensorimotor feedback
	Signal-adapted control of ear filters
	Head turning modified by temporal salience
	Head turning modified by spatial salience

		Localization accuracy
		The Precedence effect

	Cognitive dynamic scene analysis and action control in search-and-rescue scenarios
Additional file 1 of A tool to define and measure maternal healthcare acceptability at a selected health sub-district in South Africa
Creators: name: Bucyibaruta, Joy Blaise
name: Peu, Mmapheko Doriccah
name: Bamford, Lesley
name: Musekiwa, Alfred
Publisher: name: figshare
Year: 2023
Subjects: Cell Biology
Biotechnology
Developmental Biology
Science Policy

description: Additional file 1: Anonymous questionnaire.
Thermoelectric transport with electron-phonon coupling and electron-electron interaction in molecular junctions
Creators: name: Ren, Jie
name: Zhu, Jian-Xin
name: Gubernatis, James E.
name: Wang, Chen
name: Li, Baowen
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Within the framework of nonequilibrium Green's functions, we investigate the thermoelectric transport in a single molecular junction with electron-phonon and electron-electron interactions. By transforming into a displaced phonon basis, we are able to deal with these interactions non-perturbatively. Then, by invoking the weak tunneling limit, we are able to calculate the thermoelectricity. Results show that at low temperatures, resonances of the thermoelectric figure of merit ZT occur around the sides of resonances of electronic conductance but drops dramatically to zero at exactly these resonant points. We find ZT can be enhanced by increasing electron-phonon coupling and Coulomb repulsion, and an optimal enhancement is obtained when these two interactions are competing. Our results indicate a great potential for single-molecular-junctions as good thermoelectric devices over a wide range of temperatures.
description: 7+ pages, 3 figures, with updated appendix. Accepted by PRB
Additional file 2 of A tool to define and measure maternal healthcare acceptability at a selected health sub-district in South Africa
Creators: name: Bucyibaruta, Joy Blaise
name: Peu, Mmapheko Doriccah
name: Bamford, Lesley
name: Musekiwa, Alfred
Publisher: name: figshare
Year: 2023
Subjects: Cell Biology
Biotechnology
Developmental Biology
Science Policy

description: Additional file 2: Table S1. Healthcare acceptability measurement tool using factor analysis.