cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Independence of $\ell$ for the supports in the Decomposition Theorem
Creators: name: Sun, Shenghao
Publisher: name: arXiv
Year: 2015
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: In this note, we prove a result on the independence of $\ell$ for the supports of irreducible perverse sheaves occurring in the Decomposition Theorem, as well as for the family of local systems on each support. It generalizes Gabber's result on the independence of $\ell$ of intersection cohomology to the relative case.
description: 15 pages, final version
Poincaré duality with cap products in intersection homology
Creators: name: Chataur, David
name: Saralegi-Aranguren, Martintxo
name: Tanré, Daniel
Publisher: name: arXiv
Year: 2016
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 55N33, 57P10, 57N80, 55U30

description: For having a Poincaré duality via a cap product between the intersection homology of a paracompact oriented pseudomanifold and the cohomology given by the dual complex, G. Friedman and J. E. McClure need a coefficient field or an additional hypothesis on the torsion. In this work, by using the classical geometric process of blowing-up, adapted to a simplicial setting, we build a cochain complex which gives a Poincaré duality via a cap product with intersection homology, for any commutative ring of coefficients. We prove also the topological invariance of the blown-up intersection cohomology with compact supports in the case of a paracompact pseudomanifold with no codimension one strata. This work is written with general perversities, defined on each stratum and not only in function of the codimension of strata. It contains also a tame intersection homology, suitable for large perversities.
description: A new subsection has been added
A Survey of the Status of Orthodontics Among Organizations Within the World Federation of Orthodontists
Creators: name: Kessel, Neil C.
Publisher: name: University of North Carolina at Chapel Hill
Year: 2013

description: Objectives: To re-accomplish a survey of the affiliated organizations of the World Federation of Orthodontists (WFO) originally surveyed in 1997. Methods: An electronic survey was sent to all affiliated organizations of the WFO addressing specialty recognition, training, practice methods and characteristics of WFO affiliated organizations. Comparisons were made across geographic regions and not individual countries, in accordance with the previous survey. Results: The response rate was 68%. Orthodontics is a well-recognized specialty with generally increasing educational, clinical and organizational standards worldwide. Board certification exists in relatively few countries, with the most commonly-cited reason being lack of demand. Emerging trends in clinical practice including temporary anchorage devices and cone beam computed tomography were widely-utilized. Conclusions: The 1997 survey was the first time a comprehensive evaluation of orthodontics throughout the world was evaluated, and the 2012 study represents the first comparisons to the 1997 data.
Three-Dimensional Imaging of Fingerprint Evidence
Creators: name: MacBain, Madison
Publisher: name: University of Illinois at Chicago
Year: 2023

description: The uniqueness and individuality of fingerprints can be used to link individuals to a crime scene or to a specific object from the scene of a crime. Processing and latent print analysis/examination relies heavily on the eyes and physical examination by a trained professional. Historically the technology used or this research, TopMatch 3D scanning system, has been used exclusively for the imaging and analysis of cartridge case toolmarks. The purpose of this experiment is to determine whether the Cadre TopMatch 3D portable scanner is capable of imaging superglue processed latent fingerprints, in general. The experiment used five different subjects, with three varying fingerprint residue collection methods, across seven different substrates. Each image taken with the TopMatch 3D portable scanning system and then was scored on a scale of 0-5 in terms of quality for comparison. On average the images scored 1.82 across 315 samples which would be considered too low of a score for comparison if it were part of real case work. Scores varied depending on variables such as deposition condition, material for deposit, as well as the depositing subject. Though scoring low, some of the 3D images proved comparable to inked fingerprint cards as well as tradition fingerprint developing methods. While the TopMatch 3D scanning system has proven effective at imaging latent fingerprints there is still work to be done to produce consistent images of comparable quality.
Decremental Single-Source Shortest Paths on Undirected Graphs in Near-Linear Total Update Time
Creators: name: Henzinger, Monika
name: Krinninger, Sebastian
name: Nanongkai, Danupon
Publisher: name: arXiv
Year: 2015
Subjects: subject: Data Structures and Algorithms (cs.DS)
subject: FOS: Computer and information sciences

description: In the decremental single-source shortest paths (SSSP) problem we want to maintain the distances between a given source node $s$ and every other node in an $n$-node $m$-edge graph $G$ undergoing edge deletions. While its static counterpart can be solved in near-linear time, this decremental problem is much more challenging even in the undirected unweighted case. In this case, the classic $O(mn)$ total update time of Even and Shiloach [JACM 1981] has been the fastest known algorithm for three decades. At the cost of a $(1+ε)$-approximation factor, the running time was recently improved to $n^{2+o(1)}$ by Bernstein and Roditty [SODA 2011]. In this paper, we bring the running time down to near-linear: We give a $(1+ε)$-approximation algorithm with $m^{1+o(1)}$ expected total update time, thus obtaining near-linear time. Moreover, we obtain $m^{1+o(1)} \log W$ time for the weighted case, where the edge weights are integers from $1$ to $W$. The only prior work on weighted graphs in $o(m n)$ time is the $m n^{0.9 + o(1)}$-time algorithm by Henzinger et al. [STOC 2014, ICALP 2015] which works for directed graphs with quasi-polynomial edge weights. The expected running time bound of our algorithm holds against an oblivious adversary. In contrast to the previous results which rely on maintaining a sparse emulator, our algorithm relies on maintaining a so-called sparse $(h, ε)$-hop set introduced by Cohen [JACM 2000] in the PRAM literature. An $(h, ε)$-hop set of a graph $G=(V, E)$ is a set $F$ of weighted edges such that the distance between any pair of nodes in $G$ can be $(1+ε)$-approximated by their $h$-hop distance (given by a path containing at most $h$ edges) on $G'=(V, E\cup F)$. Our algorithm can maintain an $(n^{o(1)}, ε)$-hop set of near-linear size in near-linear time under edge deletions.
description: Accepted to Journal of the ACM. A preliminary version of this paper was presented at the 55th IEEE Symposium on Foundations of Computer Science (FOCS 2014). Abstract shortened to respect the arXiv limit of 1920 characters
Digital-Analog Quantum Simulation of Spin Models in Trapped Ions
Creators: name: Arrazola, I.
name: Pedernales, J. S.
name: Lamata, L.
name: Solano, E.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a method to simulate spin models in trapped ions using a digital-analog approach, consisting in a suitable gate decomposition in terms of analog blocks and digital steps. In this way, we show that the quantum dynamics of an enhanced variety of spin models could be implemented with substantially less number of gates than a fully digital approach. Typically, analog blocks are built of multipartite dynamics providing the complexity of the simulated model, while the digital steps are local operations bringing versatility to it. Finally, we describe a possible experimental implementation in trapped-ion technologies.
Pathway of histone mRNA degradation: oligouridylation followed by bidirectional decay
Creators: name: Mullen, Thomas Edward, Jr.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2008

description: Histone mRNAs are rapidly degraded at the end of S phase or when DNA replication is inhibited. Histone mRNAs end in a conserved stemloop rather than a poly(A) tail. Degradation of histone mRNAs requires the stemloop sequence, which binds the stemloop binding protein (SLBP), active translation of the histone mRNA, and the location of the stemloop close to the termination codon. In this thesis I present evidence that the initial step in histone mRNA degradation is the addition of uridines to the 3' end of the histone mRNA, both after inhibition of DNA replication and at the end of S-phase. Lsm1 is required for histone mRNA degradation and is present in a complex containing SLBP on the 3' end of histone mRNA after inhibition of DNA replication. I cloned degradation intermediates that had been partially degraded from both the 5' and the 3' end. RNA interference (RNAi) experiments demonstrate that both the exosome (3'-5') and 5' to 3' decay pathway components are functionally required for degradation. cRT-PCR experiments corroborate the findings from the functional RNAi experiments by providing direct evidence that individual histone mRNAs are degraded simultaneously 5' to 3' and 3' to 5' when DNA synthesis is inhibited. Finally, I present evidence that SLBP protein expression is required for proper regulation of histone mRNA degradation when DNA synthesis is inhibited, but that the underlying mechanism is due to nuclear retention of properly processed histone mRNA. The latter suggests that one of the critical functions of SLBP in human cells is the proper export of histone mRNA to the cytoplasm.
Neutrino oscillations in the presence of super-light sterile neutrinos
Creators: name: Divari, P. C.
name: Vergados, J. D.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this paper, we study the effect of conversion of super-light sterile neutrino (SLSN) to electron neutrino in matter like that of the Earth. In the Sun the resonance conversion between SLSN and electron neutrino via the neutral current is suppressed due to the smallness of neutron number. On the other hand, neutron number density can play an important role in the Earth, making the scenario of SLSN quite interesting. The effect of CP-violating phases on active-SLSN oscillations is also discussed. Reactor neutrino experiments with medium or short baseline may probe the scenario of SLSN.
description: 22 pages, 12 figures. arXiv admin note: text overlap with arXiv:1308.2823, arXiv:1403.2559 by other authors
Essays in empirical industrial economics
Creators: name: Zulehner, Christine
Publisher: name: Humboldt-Universität zu Berlin, Wirtschaftswissenschaftliche Fakultät
Year: 2001
Subjects: subject: Auktionen
subject: Oligopol
subject: Angewandte Ökonometrie
subject: Angewandte Spieltheorie
subject: Auctions
subject: oligopoly
subject: applied econometrics
subject: applied game theory
subject: 330 Wirtschaft
subject: 17 Wirtschaft
subject: QR 200

description: Diese Dissertation besteht aus zwei Teilen, die durch eine Einleitung zu Auktions- und Oligopolmärkten und durch eine kurze Diskussion über die erzielten Resultate am Ende der Arbeit miteinander verbunden sind. Der erste Teil diskutiert die Literatur zu Auktionen und analysiert das Verhalten von Bietern in Österreichischen Rinderauktionen. Das Ziel der Untersuchung ist es zu bestimmen, ob es Unterschiede im Verhalten der Bieter gibt und ob diese die Möglichkeit eines späteren Kaufes in Betracht ziehen. Der zweite Teil beschäftigt sich mit den Strategien von Firmen in der Halbleiterindustrie. Im besonderen werden die strategischen Effekte von "learning-by-doing" und "spillovers" betrachtet. Des weiteren werden die Konsequenzen der Aggregation von firmenspezifischen Preisverhalten zu einer industriespezifischen Presigleichung empirisch untersucht. In beiden Teilen wird schwerpunktmäßig auf der Frage eingegangen, ob das Vernachlässigen von Asymmetrien unter den Marktteilnehmern und/oder das Vernachlässigen dynamischer Effekte die geschätzen Parameter beeinflußt.
description: This thesis consists of two parts, which are connected by an introduction on auction and oligopoly markets and a short discussion about the obtained results at the end. The first part provides a literature review on auctions and analyzes bidders' behavior in Austrian cattle auctions. The aim is to investigate whether there are differences among bidders and whether bidders take the possibility of buying later into account when bidding for objects. The second part analyzes firms' strategies in the semiconductor industry. In particular, the strategic effects of learning-by-doing and spillovers are considered. Further, the consequences of aggregating firms' pricing behavior to an industry level pricing equation are empirically investigated. In both parts emphasis is put on the question, whether neglecting asymmetries across market participants and/or neglecting dynamic effects influences the estimated parameters.
Design and Implementation of a Fluid-Mechanical Dynamic Afterload for Use in an Isolated Heart Apparatus
Creators: name: Cole, Randal T.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2006

description: An isolated heart attached to a fluid-mechanical impedance (afterload) provides a method for study of myocardial processes and pressure and flow mechanics within the heart. Afterloads currently available allow various impedance parameter settings, but they are not automatically or dynamically controlled. A dynamically controlled afterload was constructed and its suitability tested for implementation with an isolated heart apparatus. Initial work was in development of a cardiovascular model to reveal trends for aortic pressure changes with afterload parameter adjustments. The LabVIEWTM model enables simulations with open-loop windkessel-type impedances and simulations with a closed-loop circulatory model. Cataloged trends were used to guide the dynamic afterload controls, and the open-loop impedances provided methods for modeling the fluid-mechanical system. Following this work, a systems analysis tool was developed in LabVIEWTM and Matlab to enable characterization of the fluid-mechanical afterload. The program contains time-domain and spectral analyses that incorporate equal variance algorithms for the correlation analyses and averaging methods for noise reduction in the spectral analyses for stationary signals. Auto- and cross-spectral analyses were used to generate system impedance spectra from dynamic afterload simulations. The culmination of this project was construction of a fluid-mechanical dynamic afterload. The dynamic nature of the afterload involves controlled, automatic adjustment of mechanical resistance, compliance and volume elements. These adjustments in afterload cause input pulsatile pressure to match the mean and range of a reference pressure. Simulations were performed with a pulsatile pressure pump for ten reference pressures with physiologically realistic mean and range values. The dynamic afterload constrained input pressures to within plus or minus 5% of the reference values and typically settled to the targeted values in 45 - 50 cycles. Impedance spectra from the simulations provided consistent and physiologically realistic estimates of afterload parameters fitted to a four-element windkessel-type impedance. Effects of changing impedance on the mean, range and stroke volume followed anticipated trends. These tests demonstrate that the dynamic afterload exhibits the qualities necessary for implementation with an isolated heart apparatus. Furthermore, this system will enable studies both of transient behavior in the isolated heart with changing afterload and of controlled pressure characteristics from a changing input pressure source.
T-duality simplifies bulk-boundary correspondence: the noncommutative case
Creators: name: Hannabuss, Keith C.
name: Mathai, Varghese
name: Thiang, Guo Chuan
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Mathematical Physics (math-ph)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We state and prove a general result establishing that T-duality simplifies the bulk-boundary correspondence, in the sense of converting it to a simple geometric restriction map. This settles in the affirmative several earlier conjectures of the authors, and provides a clear geometric picture of the correspondence. In particular, our result holds in arbitrary spatial dimension, in both the real and complex cases, and also in the presence of disorder, magnetic fields, and H-flux. These special cases are relevant both to String Theory and to the study of the quantum Hall effect and topological insulators with defects in Condensed Matter Physics.
description: 33 pages, 2 figures, minor revision
New Speech Software Technology of Digital Signal Processing
Creators: name: Alali, Walid Y
Publisher: name: figshare
Year: 2022
Subjects: Control engineering, mechatronics and robotics not elsewhere classified
Process control and simulation
Signal processing
Software engineering not elsewhere classified

description: Abstract. This paper explains the gate of a developed text-to-speech structure technology has been developed for the last decade. It was developed alternatively to a personal cellular terminal and telephone application, and can be used to access on information for the visually impaired. It is very high in clarity also uses a digital synthesizer of the human voice. Prior to the processors, a computational requirements for this compound placed a heavy load on the workstation. This paper used an AlphaModel 600 digital equipment workstation to convert multiple text-to-speech streams at the same time. The RISC processors enables the applications use speech to output freely. This skill has helped the need as a Text-to-Speech API (Application Programming Interface) . We developed API for TTS which is supported at various operating systems and platforms. In this paper specified the API and report of the architecture software of the TTS.
Teun Zuiderent-Jerak, Situated Intervention: Sociological Experiments in Health Care, MIT Press, 2015
Creators: name: Crabu, Stefano
Publisher: name: Tecnoscienza – Italian Journal of Science & Technology Studies
Year: 2017

description: Tecnoscienza – Italian Journal of Science & Technology Studies, Vol. 8 No. 1 (2017): Tecnoscienza Nr. 15
Simone Tosoni with Trevor Pinch, Entanglements: Traces of Science, Technology, and Sound, MIT Press, 2017
Creators: name: Sciannamblo, Mariacristina
Publisher: name: Tecnoscienza – Italian Journal of Science & Technology Studies
Year: 2017

description: Tecnoscienza – Italian Journal of Science & Technology Studies, Vol. 8 No. 1 (2017): Tecnoscienza Nr. 15
Are Cholera And Typhoid Vaccines A Good Investment For A Slum In Kolkata, India?
Creators: name: Cook, Joseph H.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2007

description: Next-generation cholera and typhoid vaccines have the potential to reduce the burden of both diseases in areas where they are endemic. We examine the case for public investments in these vaccines for the Tiljala neighborhood of Kolkata, a low-income, high-incidence slum. We take a social perspective and use three measures of the vaccines' economic benefits: avoided private and public costs of illness (COI); avoided COI plus mortality risk reduction benefits; and private willingness-to-pay (WTP) derived from stated preference studies we conducted in Tiljala in 2004. The study represents a unique opportunity to evaluate vaccine programs with a wealth of new high-quality, site-specific data. We also use incorporate recent epidemiological evidence from Bangladesh on indirect protection from cholera vaccines. We find that a typhoid vaccination program without user fees would most likely pass a social cost-benefit test. Depending on which ages are targeted, all programs would be either "cost effective" or "very cost effective" using the standard comparisons of cost per DALY avoided with GDP per capita. Because many other health interventions have much lower cost-effectiveness ratios, however, typhoid programs are probably not a wise use of scarce public health resources. At an average total cost per immunized person of ~US$2.0, typhoid programs would absorb a large fraction of existing public sector spending on health in India. We find significant private demand for the vaccines such that the government could design a financially-sustainable program with user fees. We find that a program where adults pay a higher fee to subsidize vaccines for children (who have higher incidence) would avoid more cases and maintain revenue-neutrality. Because of higher average costs (~US$3.5) and lower incidence, cholera programs are less attractive. A program targeting both groups of children, and perhaps even programs that included adults, would probably pass a cost-benefit test. Cost-effectiveness ratios are worse than for typhoid, so the argument for allocating public subsidies to cholera vaccination is even weaker. A financially-sustainable program with user fees of ~US$3.5 is possible. Although only 16% of the population would be vaccinated, the program (with herd effects) would still avoid 329 cases over 3 years.
An Extension of Moebius--Lie Geometry with Conformal Ensembles of Cycles and Its Implementation in a GiNaC Library
Creators: name: Kisil, Vladimir V.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Computational Geometry (cs.CG)
subject: Mathematical Software (cs.MS)
subject: Symbolic Computation (cs.SC)
subject: Differential Geometry (math.DG)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: 51B25, 51N25, 68U05, 11E88, 68W30

description: We propose to consider ensembles of cycles (quadrics), which are interconnected through conformal-invariant geometric relations (e.g. "to be orthogonal", "to be tangent", etc.), as new objects in an extended Moebius--Lie geometry. It was recently demonstrated in several related papers, that such ensembles of cycles naturally parameterise many other conformally-invariant objects, e.g. loxodromes or continued fractions. The paper describes a method, which reduces a collection of conformally invariant geometric relations to a system of linear equations, which may be accompanied by one fixed quadratic relation. To show its usefulness, the method is implemented as a C++ library. It operates with numeric and symbolic data of cycles in spaces of arbitrary dimensionality and metrics with any signatures. Numeric calculations can be done in exact or approximate arithmetic. In the two- and three-dimensional cases illustrations and animations can be produced. An interactive Python wrapper of the library is provided as well.
description: LaTeX 16pp+111pp of appendices, including 10 PDF graphic files and program code; v2: major revision of the paper, code in v3.1; v3: formal definition of the extended geometry, connection with integrable systems, code in v3.2rc1
Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: A search is presented for narrow heavy resonances X decaying into pairs of Higgs bosons (H) in proton-proton collisions collected by the CMS experiment at the LHC at sqrt(s) = 8 TeV. The data correspond to an integrated luminosity of 19.7 inverse femtobarns. The search considers HH resonances with masses between 1 and 3 TeV, having final states of two b quark pairs. Each Higgs boson is produced with large momentum, and the hadronization products of the pair of b quarks can usually be reconstructed as single large jets. The background from multijet and t t-bar events is significantly reduced by applying requirements related to the flavor of the jet, its mass, and its substructure. The signal would be identified as a peak on top of the dijet invariant mass spectrum of the remaining background events. No evidence is observed for such a signal. Upper limits obtained at 95% confidence level for the product of the production cross section and branching fraction sigma(gg to X) B(X to HH to b b-bar b b-bar) range from 10 to 1.5 fb for the mass of X from 1.15 to 2.0 TeV, significantly extending previous searches. For a warped extra dimension theory with a mass scale Lambda[R] = 1 TeV, the data exclude radion scalar masses between 1.15 and 1.55 TeV.
description: Replaced with published version. Added the journal reference and DOI. All figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/EXO-12-053/index.html
3 Phase Digital Watthour Meter
Creators: name: Alali, Walid Y
Publisher: name: figshare
Year: 2022
Subjects: Engineering instrumentation
Engineering design
Environmental engineering not elsewhere classified
Elemental semiconductors
Electrical engineering not elsewhere classified

description: Abstruct: This paper describes a microprocessor-controlled three-phase digital meter. The wattmeter is based on the sampling method and, on analogue-to-digital conversion; a single A/D converter ten-bit, built into the microprocessor is used. Transformer accuracy is demonstrated by overlaying noise on current and voltage signals and reducing uncertainty with an external resistive voltage divider. The wide range of current of passing voltage signals, in proportion to the input currents, through a programmable gain amplifier. The total counter pigment is not more than 0.1 per cent.
A 3 Phase Digital Watthour Meter
Creators: name: Alali, Walid Y
name: A. H. Abdul Karim, Majid
Publisher: name: figshare
Year: 2023
Subjects: Engineering instrumentation
Engineering design
Environmental engineering not elsewhere classified
Elemental semiconductors
Electrical engineering not elsewhere classified

description: Abstract:  This paper describes a microprocessor-controlled three-phase digital meter. The wattmeter is based on the sampling method and, on analogue-to-digital conversion; a single A/D converter ten-bit, built into the microprocessor is used. Transformer accuracy is demonstrated by overlaying noise on current and voltage signals and reducing uncertainty with an external resistive voltage divider. The wide range of current of passing voltage signals, in proportion to the input currents, through a programmable gain amplifier. The total counter pigment is not more than 0.1 per cent.
A 3 Phase Digital Watthour Meter
Creators: name: Alali, Walid Y
Publisher: name: figshare
Year: 2023
Subjects: Engineering instrumentation
Engineering design
Environmental engineering not elsewhere classified
Elemental semiconductors
Electrical engineering not elsewhere classified

description: Abstract:  This paper describes a microprocessor-controlled three-phase digital meter. The wattmeter is based on the sampling method and, on analogue-to-digital conversion; a single A/D converter ten-bit, built into the microprocessor is used. Transformer accuracy is demonstrated by overlaying noise on current and voltage signals and reducing uncertainty with an external resistive voltage divider. The wide range of current of passing voltage signals, in proportion to the input currents, through a programmable gain amplifier. The total counter pigment is not more than 0.1 per cent.
Luigi Pellizzoni, Ontological Politics in a Disposable World: The New Mastery of Nature, Ashgate, 2015
Creators: name: Raffaetà, Roberta
Publisher: name: Tecnoscienza – Italian Journal of Science & Technology Studies
Year: 2017

description: Tecnoscienza – Italian Journal of Science & Technology Studies, Vol. 8 No. 1 (2017): Tecnoscienza Nr. 15
On the injective dimension of F-finite modules and holonomic D-modules
Creators: name: Dorreh, Mehdi
Publisher: name: arXiv
Year: 2016
Subjects: subject: Commutative Algebra (math.AC)
subject: FOS: Mathematics
subject: 13D45, 13N10

description: Let $R$ be a regular local ring containing a field $k$ of characteristic $p$ and $M$ be an $\mathscr{F}$-finite module. In this paper, we study the injective dimension of $M$. We prove that $\operatorname{dim}_R(M) -1 \leq\operatorname{inj.dim}_R(M)$. If $R = k[[x_1,\ldots,x_n]]$ where $k$ is a field of characteristic $0$ we prove the analogous result for a class of holonomic $\mathscr{D}$-modules which contains local cohomology modules.
description: 15 pages. comments welcome
Anna Lowenhaupt Tsing, The Mushroom at the End of the World. On the Possibility of Life in Capitalist Ruins, Princeton University Press, 2015
Creators: name: Centemeri, Laura
Publisher: name: Tecnoscienza – Italian Journal of Science & Technology Studies
Year: 2017

description: Tecnoscienza – Italian Journal of Science & Technology Studies, Vol. 8 No. 1 (2017): Tecnoscienza Nr. 15
title: Kościół na Woli Justowskiej w Krakowie
Creators: name: Böhm, Aleksander
Publisher: name: Publishing House of Poznan University of Technology
Year: 2022

description: Zeszyty Naukowe Politechniki Poznańskiej. Architektura, Urbanistyka, Architektura wnętrz, 8, 63-76
PRECESSION: Dynamics of spinning black-hole binaries with python
Creators: name: Gerosa, Davide
name: Kesden, Michael
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We present the numerical code PRECESSION: a new open-source python module to study the dynamics of precessing black-hole binaries in the post-Newtonian regime. The code provides a comprehensive toolbox to (i) study the evolution of the black-hole spins along their precession cycles, (ii) perform gravitational-wave driven binary inspirals using both orbit-averaged and precession-averaged integrations, and (iii) predict the properties of the merger remnant through fitting formulae obtained from numerical-relativity simulations. PRECESSION is a ready-to-use tool to add the black-hole spin dynamics to larger-scale numerical studies such as gravitational-wave parameter estimation codes, population synthesis models to predict gravitational-wave event rates, galaxy merger trees and cosmological simulations of structure formation. PRECESSION provides fast and reliable integration methods to propagate statistical samples of black-hole binaries from/to large separations where they form to/from small separations where they become detectable, thus linking gravitational-wave observations of spinning black-hole binaries to their astrophysical formation history. The code is also a useful tool to compute initial parameters for numerical-relativity simulations targeting specific precessing systems. PRECESSION can be installed from the Python Package Index and it is freely distributed under version control on Github, where further documentation is provided.
description: Code homepage: https://davidegerosa.com/precession - Source: https://github.com/dgerosa/precession - Documentation: http://dgerosa.github.io/precession - pypi: https://pypi.python.org/pypi/precession - Fixed typos in Eq. (36-37)
High Precision Digital Phase Meter
Creators: name: Alali, Walid Y
name: A. H. Abdul Karim, Majed
Publisher: name: figshare
Year: 2023
Subjects: Circuits and systems
Composite and hybrid materials
Compound semiconductors
Digital processor architectures
Other information and computing sciences not elsewhere classified

description: Abstract The objective of this paper is to describe the design of a wide-bandwidth, noise-resistant digital phase meter. The principle of the design is based on phase compensation while the phase shifter is digitally controlled is the main core of the paper and is described in detail. The design is accurate for more the -6 dB signal-to-noise ratios,
High Precision Digital Phase Meter.pdf
Creators: name: Alali, Walid Y
Publisher: name: figshare
Year: 2022
Subjects: Circuits and systems
Composite and hybrid materials
Compound semiconductors
Digital processor architectures
Other information and computing sciences not elsewhere classified

description: Abstruct This paper introduces the design of a Single-phase watthour meter auto-calibrating. The important advantage of the watthour scale is the multiplication is done by the newly developed self-calibration multiplier (SCM) with superior stability. The self-calibration multiplier IC applies an analogue multiplier to perform the multiplication, detects and also compensates for large sources of error caused by changing the multiplication parameter including the out-put offset. According to this result, the self-calibration multiplier has stable input and output characteristics. The correction of the multiplication factor is based on an IC reference voltage that uses the Zener diode. Consequently, the stability of the self-calibration multiplier and the meter depends on the reference voltage stability. While the other pieces are additional circuits to adjust the zero load and the unnecessary full load.
Anharmonicity in the high-temperature Cmcm phase of SnSe: soft modes and three-phonon interactions
Creators: name: Skelton, Jonathan M.
name: Burton, Lee A.
name: Parker, Stephen C.
name: Walsh, Aron
name: Kim, Chang-Eun
name: Soon, Aloysius
name: Buckeridge, John
name: Sokol, Alexey A.
name: Catlow, C. Richard A.
name: Togo, Atsushi
name: Tanaka, Isao
Publisher: name: arXiv
Year: 2016
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The layered semiconductor SnSe is one of the highest-performing thermoelectric materials known. We demonstrate, through a first-principles lattice-dynamics study, that the high-temperature Cmcm phase is a dynamic average over lower-symmetry minima separated by very small energetic barriers. Compared to the low-temperature Pnma phase, the Cmcm phase displays a phonon softening and enhanced three-phonon scattering, leading to an anharmonic damping of the low-frequency modes and hence the thermal transport. We develop a renormalisation scheme to quantify the effect of the soft modes on the calculated properties, and confirm that the anharmonicity is an inherent feature of the Cmcm phase. These results suggest a design concept for thermal insulators and thermoelectric materials, based on displacive instabilities, and highlight the power of lattice-dynamics calculations for materials characterization.
description: Merged article + supporting information
Factors in the successful recruitment of operatives in the United Kingdom by Al-Shabaab
Creators: name: Obermeyer, Heidi Irene
Publisher: name: University of North Carolina at Chapel Hill
Year: 2014

description: This thesis discusses the challenges faced by Somali immigrants in the United Kingdom and how those challenges during the integration process can lead to an individual's recruitment into the Somalia-based branch of Al-Qaeda, Al-Shabaab. Some of the most influential factors include navigating the structure of a new system in the host country, British attitudes towards Somalis and immigration, and the psychological impact of societal marginalization on individuals. The thesis discusses methods of reducing the participation or desire to participate in terrorist activity and increasing inclusion in immigrant communities, specifically among Somalis. Theoretical frameworks utilized include new war theory, identity politics, and globalization as a factor in the increased occurrence of both new wars and identity politics' role in conflict.
RDM for neuroimagers
Creators: name: Wagner, Adina S.
Publisher: name: Zenodo
Year: 2023

description: A 20-minute talk on research data management for neuroimagers, presented virtually at the Oxford WIN Center on January 18th 2023. Sources can be found at https://github.com/datalad-handbook/datalad-course. A live rendering of the slides can be found at https://files.inm7.de/adina/talks/html/rdm_win_2023.html.
Irreducible Projective Representations and Their Physical Applications
Creators: name: Yang, Jian
name: Liu, Zheng-Xin
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: An eigenfunction method is applied to reduce the regular projective representations (Reps) of finite groups to obtain their irreducible projective Reps. Anti-unitary groups are treated specially, where the decoupled factor systems and modified Schur's lemma are introduced. We discuss the applications of irreducible Reps in many-body physics. It is shown that in symmetry protected topological phases, geometric defects or symmetry defects may carry projective Rep of the symmetry group; while in symmetry enriched topological phases, intrinsic excitations (such as spinons or visons) may carry projective Rep of the symmetry group. We also discuss the applications of projective Reps in problems related to spectrum degeneracy, such as in search of models without sign problem in quantum Monte Carlo Simulations.
description: 41 pages, 1 figure
Neel Ahuja, Bioinsecurities: Disease Interventions, Empire, and the Government of Species, Duke University Press, 2016
Creators: name: Pinto Garcia, Lina Beatriz
Publisher: name: Tecnoscienza – Italian Journal of Science & Technology Studies
Year: 2017

description: Tecnoscienza – Italian Journal of Science & Technology Studies, Vol. 8 No. 1 (2017): Tecnoscienza Nr. 15
Topographic characteristics of EEG responses to auditory tasks- comparisons between healthy individuals and participants with schizophrenia
Creators: name: Boyle, Michael
Publisher: name: University of North Carolina at Chapel Hill Graduate School
Year: 2015
Subjects: subject: Neurosciences
subject: FOS: Clinical medicine

description: Electroencephalographic measures of auditory sensory processing deficits in schizophrenia have become well established1-3. While deviations from typical EEG dynamics are well characterized in the time domain at a few recording locations, differences in the spatial architecture of these responses between healthy and patient populations remains understudied. We acquired 128 channel hdEEG from 12 healthy humans while they completed auditory oddball and auditory click train tasks. We calculated wavelet transformations and extracted measures of evoked and induced activity to compare the topography of these EEG responses between stimulus types within the two auditory tasks. We found distinct topographies for different click train frequencies but not for the standard and deviant trials in the oddball task. As a preliminary analysis of a clinical trial, we subjectively compared the group mean healthy topographies to three individuals with schizophrenia. We found deficits in induced 10Hz power to 10Hz click trains compared to healthy individuals.
Analytic treatment of complete geodesics in a static cylindrically symmetric conformal spacetime
Creators: name: Hoseini, Bahareh
name: Saffari, Reza
name: Soroushfar, Saheb
name: Kunz, Jutta
name: Grunau, Saskia
Publisher: name: arXiv
Year: 2016
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the motion of test particles and light rays in a static cylindrically symmetric conformal spacetime given by Said et al [1]. We derive the equations of motion and present their analytical solutions in terms of the Weierstrass {\wp} function and the Kleinian σ function. Using parametric diagrams and effective potentials we analyze the possible orbits and characterize them in terms of the energy and the angular momentum of the test particles. Finally we show some examples of orbits.
description: 23 pages,3 tables,14 figures, Accepted for publication in Physical Review D
Assembly and Phase Transitions within Colloidal Crystals
Creators: name: Li, Bo
name: Zhou, Di
name: Han, Yilong
Publisher: name: arXiv
Year: 2016
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Micrometre sized colloidal particles can be viewed as large atoms with tailorable size, shape and interactions. These building blocks can assemble into extremely rich structures and phases, in which the thermal motions of particles can be directly imaged and tracked using optical microscopy. Hence, colloidal particles are excellent model systems for studying phase transitions, especially for poorly understood kinetic and nonequilibrium microscale processes. Advances in colloid fabrication, assembly and computer simulations have opened up numerous possibilities for such research. In this Review, we describe recent progress in the study of colloidal crystals composed of tunable isotropic spheres, anisotropic particles and active particles. We focus on advances in crystallization, melting and solid solid transitions, and highlight challenges and future perspectives in phase transition studies within colloidal crystals.
description: 18 pages, 5 figures, 2 boxes, Nature Review Materials, 2015
A dynamic Bayesian Markov model for health economic evaluations of interventions in infectious disease
Creators: name: Haeussler, Katrin
name: Hout, Ardo van den
name: Baio, Gianluca
Publisher: name: arXiv
Year: 2015
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Background. Health economic evaluations of interventions against infectious diseases are commonly based on the predictions of ordinary differential equation (ODE) systems or Markov models (MMs). Standard MMs are static, whereas ODE systems are usually dynamic and account for herd immunity which is crucial to prevent overestimation of infection prevalence. Complex ODE systems including probabilistic model parameters are computationally intensive. Thus, mainly ODE-based models including deterministic parameters are presented in the literature. These do not account for parameter uncertainty. As a consequence, probabilistic sensitivity analysis (PSA), a crucial component of health economic evaluations, cannot be conducted straightforwardly. Methods. We present a dynamic MM under a Bayesian framework. We extend a static MM by incorporating the force of infection into the state allocation algorithm. The corresponding output is based on dynamic changes in prevalence and thus accounts for herd immunity. In contrast to deterministic ODE-based models, PSA can be conducted straightforwardly. We introduce a case study of a fictional sexually transmitted infection and compare our dynamic Bayesian MM to a deterministic and a Bayesian ODE system. The models are calibrated to time series data. Results. By means of the case study, we show that our methodology produces outcome which is comparable to the "gold standard" of the Bayesian ODE system. Conclusions. In contrast to ODE systems in the literature, the setting of the dynamic MM is probabilistic at manageable computational effort (including calibration). The run time of the Bayesian ODE system is 44 times longer.
Accuracy Evaluation of Intra-Oral Optical Impressions: A Novel Approach
Creators: name: Atieh, Mohammad
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: Objective: To compare the accuracy (trueness and precision) of optical and conventional impressions in-vivo. Materials and Methods: Five study participants were consented and enrolled. For each participant, optical (CEREC Omnicam; Dentsply Sirona, Charlotte, USA ) and conventional (vinylsiloxanether; Identium, Kettenbach, Huntington Beach, USA ) impressions of a custom-made intra-oral Co-Cr alloy reference appliance fitted to the mandibular arch were obtained. 3D digital models were created for stone models obtained from the conventional impression group and for the reference appliances using a validated high accuracy reference scanner (Infinite focus standard; Alicona Corporation, Bartlett, USA). For the optical impression group, 3D digital models were obtained directly from the intraoral scans. Total mean trueness of each impression system was calculated by superimposing the 3D models and averaging the mean absolute deviations of the impression replicates from their 3D reference model for each participant followed by averaging the obtained values across all participants. Total mean precision for each impression system was calculated by superimposing the 3D models and averaging the mean absolute deviations between all the impression replicates for each participant (10 pairs) followed by averaging the obtained values across all participants. Data were analyzed using repeated measures ANOVA at a 0.05 significance level. Results: Optical impressions had significantly lower mean trueness and precision (46.2 ± 11.4 µm and 61.1 ± 4.9 µm, respectively) than those for conventional impressions (17.0 ± 6.6 µm and 16.9 ± 5.8 µm, respectively), suggesting higher accuracy for conventional impressions. Conclusion: Within the limitations of this study, full-arch (first molar-first molar) optical impressions are less accurate than conventional impressions, but might exhibit enough accuracy for quadrant impressions.
MPEC 2023-Q47 : 2023 QE1
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 QE1

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
The Ideal Tensile Strength and Phonon Instability of Borophene
Creators: name: Wang, Haifeng
name: Li, Qingfang
name: Gao, Yan
name: Miao, F.
name: Zhou, Xiang-Feng
name: Wan, X. G.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Very recently, two-dimensional(2D) boron sheets (borophene) with rectangular structure has been grown successfully on single crystal Ag(111) substrates.The fabricated boroprene is predicted to have unusual mechanical properties. We performed first-principle calculations to investigate the mechanical properties of the monolayer borophene, including ideal tensile strength and critical strain. It was found that monolayer borophene can withstand stress up to 20.26 N/m and 12.98 N/m in a and b directions, respectively.However, its critical strain was found to be small. In a direction, the critical value is only 8%, which, to the best of our knowledge, is the lowest among all studied 2D materials.Our numerical results show that the tensile strain applied in b direction enhances the bucking height of borophene resulting in an out-of-plane negative Poisson's ratio, which makes the boron sheet show superior mechanical flexibility along b direction.The failure mechanism and phonon instability of monolayer borophene were also explored.