cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Understanding and monitoring the evolution of the Covid-19 epidemic from medical emergency calls: the example of the Paris area
Creators: name: Gaubert, Stéphane
name: Akian, Marianne
name: Allamigeon, Xavier
name: Boyet, Marin
name: Colin, Baptiste
name: Grohens, Théotime
name: Massoulié, Laurent
name: Parsons, David P.
name: Adnet, Frédéric
name: Chanzy, Érick
name: Goix, Laurent
name: Lapostolle, Frédéric
name: Lecarpentier, Éric
name: Leroy, Christophe
name: Loeb, Thomas
name: Marx, Jean-Sébastien
name: Télion, Caroline
name: Tréluyer, Laurent
name: Carli, Pierre
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applications (stat.AP)
subject: Social and Information Networks (cs.SI)
subject: Dynamical Systems (math.DS)
subject: Physics and Society (physics.soc-ph)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: We portray the evolution of the Covid-19 epidemic during the crisis of March-April 2020 in the Paris area, by analyzing the medical emergency calls received by the EMS of the four central departments of this area (Centre 15 of SAMU 75, 92, 93 and 94). Our study reveals strong dissimilarities between these departments. We show that the logarithm of each epidemic observable can be approximated by a piecewise linear function of time. This allows us to distinguish the different phases of the epidemic, and to identify the delay between sanitary measures and their influence on the load of EMS. This also leads to an algorithm, allowing one to detect epidemic resurgences. We rely on a transport PDE epidemiological model, and we use methods from Perron-Frobenius theory and tropical geometry.
description: Changes v1->v2: Section 7 expanded. Changes v2->v3: bibliography expanded; minor improvements and corrections
تتجربیات و رویکردهای جهانی در باب گردشگری غذا؛ راهکارهایی برای توسعه گردشگری غذا در ایران (1).pdf
Creators: name: Hanieh Hajilooei
Publisher: name: figshare
Year: 2020
Subjects: subject: 150401 Food and Hospitality Services
subject: FOS: Economics and business

description: Food tourism is nowadays considered as one of the ways to attract tourists along with other natural, recreational, historical and ancient attractions of the countries. In fact, eating is a form of group fun and can be developed for tourism purposes; This article reviews and examines the global experiences of leading countries in this field and offers some basic suggestions and solutions such as launching specialized networks in the field of food, investment in marketing and branding of food tourism, etc. That can play a key role in the development of food tourism.
Generation-changing interaction of sneutrinos in $e^+e^-$ collisions
Creators: name: Oshimo, Noriyuki
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Measurability of generation mixing is studied on the pair production of sneutrinos in $e^+e^-$ collisions and their subsequent decays into two different charged leptons $e$ and $μ$ with two lighter charginos. The analyses are made systematically in a general framework of the supersymmetric extension of the standard model. The production and decay process depends on the parameters of the chargino sector, as well as those of the sneutrino sector. Although generation-changing interactions are severely constrained by radiative charged-lepton decays, sizable regions in the parameter space could still be explored at $e^+e^-$ colliders in near future.
description: 16 pages, 5 figures
Boson-Exchange Parquet Solver for dual fermions
Creators: name: Krien, Friedrich
name: Valli, Angelo
name: Chalupa, Patrick
name: Capone, Massimo
name: Lichtenstein, Alexander I.
name: Toschi, Alessandro
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present and implement a parquet approximation within the dual-fermion formalism based on a partial bosonization of the dual vertex function which substantially reduces the computational cost of the calculation. The method relies on splitting the vertex exactly into single-boson exchange contributions and a residual four-fermion vertex, which physically embody respectively long-range and short-range spatial correlations. After recasting the parquet equations in terms of the residual vertex, these are solved using the truncated unity method of Eckhardt et al. [Phys. Rev. B 101, 155104 (2020)], which allows for a rapid convergence with the number of form factors in different regimes. While our numerical treatment of the parquet equations can be restricted to only a few Matsubara frequencies, reminiscent of Astretsov et al. [Phys. Rev. B 101, 075109 (2020)], the one- and two-particle spectral information is fully retained. In applications to the two-dimensional Hubbard model the method agrees quantitatively with a stochastic summation of diagrams over a wide range of parameters.
description: 13 pages + appendix, 15 figures
Monopolistic Competition in Switzerland and Mark-up Pricing Over the Business Cycle
Creators: name: Müller, Christian
Publisher: name: ETH Zurich
Year: 2004
Subjects: Multivariate time series analysis
Monopolistic competition
I(2) cointegration
Mark-up pricing
Business cycle indicators
info:eu-repo/classification/ddc/330
Economics

description: KOF Working Papers, 86
Radial velocities and membership of stars in the old, distant open cluster Berkeley 29
Creators: name: Bragaglia, A.
name: Held, E. V.
name: Tosi, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Multi slit spectroscopy at the Telescopio Nazionale Galileo was employed to measure radial velocities for 20 stars in the direction of the old open cluster Berkeley 29, the farthest known in our Galaxy. Membership information was derived for stars along all the red giant branch, in particular near its tip, and on the red clump. The sample of bona-fide cluster members was used to revise the cluster distance to about 15 kpc, on the basis of an empirical comparison with the red clump in open clusters with known distances. A metallicity [Fe/H] = -0.74 +/- 0.18 was also estimated using the colours of spectroscopically confirmed red giant stars.
description: 7 pages, 5 figures (fig. 1 at low-res, but JPEG version included too), accepted for publication in A&A
On sub-GeV Dark Matter Production at Fixed-Target Experiments
Creators: name: Berlin, Asher
name: deNiverville, Patrick
name: Ritz, Adam
name: Schuster, Philip
name: Toro, Natalia
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We analyze the sensitivity of fixed-target experiments to sub-GeV thermal relic dark matter models, accounting for variations in both mediator and dark matter mass, and including dark matter production through both on- and off-shell mediators. It is commonly thought that the sensitivity of such experiments is predicated on the existence of an on-shell mediator that is produced and then decays to dark matter. While accelerators do provide a unique opportunity to probe the mediator directly, our analysis demonstrates that their sensitivity extends beyond this commonly discussed regime. In particular, we provide sensitivity calculations that extend into both the effective field theory regime where the mediator is much heavier than the dark matter and the regime of an off-shell mediator lighter than a dark matter particle-antiparticle pair. Our calculations also elucidate the resonance regime, making it clear that all but a fine-tuned region of thermal freeze-out parameter space for a range of simple models is well covered.
description: 18 pages, 6 figures
title: The Automatic Assessment of Multiple Artefacts: An Investigation into Design Diagrams and Their Implementations
Creators: name: Hayes, Alan Michael
Publisher: name: The Open University
Year: 2014

description: As the Higher Education sector has moved towards student-centred learning so too has the growth in electronic support for learning. E-assessment has been a part of this growth as increasingly assessment and its feedback is seen as an integral part of the students’ learning process. Mature e-assessment systems exist, particularly where answers to questions are restricted to a prescribed list of alternatives. However, for free response artefacts, where there is a limited restriction placed on answers to questions, automated assessment systems are embryonic. This dissertation presents an investigation into the automated assessment of free response artefacts. Design diagrams and their accompanying source code implementations are examples of free response artefacts. A case study is developed that investigates how to automatically generate formative feedback for a design diagram by utilizing its accompanying implementation. The dissertation presents a two-staged solution, initially analysing the design diagram in isolation before comparing it with the implementation. A framework for this approach has been developed and tested using a tool applied to coursework submitted by undergraduate computer science students. The tool was evaluated by comparing the formative feedback comments generated by the tool with those produced by a team of computer science educators. Evaluation was undertaken via two Likert questionnaires, one completed by students and one completed by a team of computer scientists. The results presented are favourable, with the majority of comments produced by the tool being seen to be as least as good as those generated by the computer science educators.
Backreaction in Numerical Relativity: Averaging on Newtonian gauge-like hypersurfaces in Einstein Toolkit cosmological simulations
Creators: name: Oestreicher, Alexander
name: Koksbang, Sofie Marie
Publisher: name: arXiv
Year: 2024
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We introduce a spatial averaging scheme and use it to study the evolution of spatial averages in large-scale simulations of cosmological structure formation performed with the Einstein Toolkit. The averages are performed on the spatial hypersurfaces of the simulation setup which, at least initially, represent the hypersurfaces of statistical homogeneity and isotropy. We find only negligible cosmic backreaction on these hypersurfaces even on very small scales, but find significant curvature fluctuations of up to $10\%$ in $Ω_R$ for sub-volumes with radius $\sim200$ Mpc and even larger fluctuations in smaller sub-volumes. In addition, we quantify fluid flow in and out of these sub-volumes. We find this to be significant, up to a $5\%$ change in the density between redshift $z=1$ and $z=0$ of a single sphere of radius $\sim200$ Mpc (and larger for smaller spheres). We suggest this may be important for studies basing averages on volumes co-moving with the simulation hypersurfaces.
description: Prepared for submission to The Open Journal of Astrophysics
Pulsar Slot Gaps and Unidentified EGRET Sources
Creators: name: Harding, Alice
name: Muslimov, Alexander
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A new picture of pulsar high-energy emission is proposed that is different from both the traditional polar cap and outer gap models, but combines elements of each. The slot gap model is based on electron acceleration along the edge of the open field region from the neutron star surface to near the light cylinder. Along the last open field line, the pair formation front rises to very high altitude forming a slot gap, where the accelerating electric field is unscreened by pairs. The resulting radiation features both hollow cones from the lower-altitude pair cascades, seen at small viewing angles, as well as caustic emission on the trailing-edge field lines at high altitude, seen from both poles at large viewing angle. The combination of the small solid angle of slot gap emission (<< 1 sr) with a high probability of viewing the emission predicts that more gamma-ray pulsars could be detected at larger distances. In this picture, many of the positional coincidences of radio pulsars with unidentified EGRET sources become plausible as real associations, as the flux predicted by the slot gap model for many of the pulsars would provide the observed EGRET source flux. The expected probability of seeing radio-quiet gamma-ray pulsars in this model will also be discussed.
description: 10 pages, 4 figures, to appear in proceedings of "The Multiwavelength Approach to Unidentified Sources", ed. G. Romero & K.S. Cheng
Generative Design of Periodic Orbits in the Restricted Three-Body Problem
Creators: name: Gil, Alvaro Francisco
name: Litteri, Walther
name: Rodriguez-Fernandez, Victor
name: Camacho, David
name: Vasile, Massimiliano
Publisher: name: arXiv
Year: 2024
Subjects: subject: Machine Learning (cs.LG)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: The Three-Body Problem has fascinated scientists for centuries and it has been crucial in the design of modern space missions. Recent developments in Generative Artificial Intelligence hold transformative promise for addressing this longstanding problem. This work investigates the use of Variational Autoencoder (VAE) and its internal representation to generate periodic orbits. We utilize a comprehensive dataset of periodic orbits in the Circular Restricted Three-Body Problem (CR3BP) to train deep-learning architectures that capture key orbital characteristics, and we set up physical evaluation metrics for the generated trajectories. Through this investigation, we seek to enhance the understanding of how Generative AI can improve space mission planning and astrodynamics research, leading to novel, data-driven approaches in the field.
description: SPAICE Conference 2024 (7 pages)
ORGANIZATIONAL AND METHODOLOGICAL ASPECTS OF DENTAL CARE DURING THE PANDEMIC OF THE NEW CORONAVIRUS INFECTION
Creators: name: Jamolov Umidjon Nematillo ugli Chaqqonov Faxriddin Xusanovich Samarkand State Medical University
Publisher: name: Zenodo
Year: 2024

description: In 2020/1, the National Health Commission of China listed the novel coronavirus disease (covid-19) as a group B disease, including acute respiratory viral infections and highly pathogenic avian influenza [22]. But it recommended that all health workers use the prescribed protective equipment against group A infections, especially dangerous ones such as cholera. As usual, health workers are quickly caught in trouble due to national emergencies, often working tirelessly day and night. Dentists have a significantly higher risk of contracting covid-19 than workers, nurses, and general practitioners
Verzerrungen von Konsumentenpreisindizes und ihr Einfluss auf das «reale» Wirtschaftswachstum – dargestellt am Beispiel der USA
Creators: name: Hartwig, Jochen
name: Schips, Bernd
Publisher: name: ETH Zurich
Year: 2004
Subjects: United States
Statistical artifacts
Economic Growth
Statistische Artefake
Konsumentenpreisindex
PRICE FLUCTUATIONS
PREISINDEX
Statistische Verzerrung
USA
Statistical bias
Consumer Price Index
PREISBEWEGUNG
PRICE INDEX
ECONOMIC GROWTH
VEREINIGTE STAATEN VON AMERIKA, USA (NORDAMERIKA)
Wirtschaftswachstum
WIRTSCHAFTSWACHSTUM
UNITED STATES OF AMERICA, USA (NORTH AMERICA)
info:eu-repo/classification/ddc/330
Economics

description: KOF Working Papers, 94
Zarcosia uncifer Gompel 2020, comb. nov.
Creators: name: Gompel, Nicolas
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Aderidae
Zarcosia
Zarcosia uncifer

description: Zarcosia uncifer (Champion, 1916), comb. nov.
(Figures 1; 2 ak)
 Xylophilus uncifer Champion, 1916: 32; Holotype (male): BMNH
 Zarcosia uncifer (Champion, 1916): unpublished combination in Grzymala, 2016
 Type locality. India: Maharashtra, Mumbai.
 Distribution. India: Maharashtra (Figure 1).
 Material examined. India: Maharashtra, Mumbai (1 ♂ holotype, BMNH).
description: Published as part of Gompel, Nicolas, 2020, Synopsis of the Asian species in the genus Zarcosia Collado & Alonso-Zarazaga 1996 with new combinations and descriptions of fourteen new species, pp. 151-178 in Zootaxa 4838 (2) on page 175, DOI: 10.11646/zootaxa.4838.2.1, http://zenodo.org/record/4403783
To my wife, with love! Does within-household specialisation explain husband's better job-education-match?: does within-household specialisation explain husband's better job-education-match?
Creators: name: Wirz, Aniela
Publisher: name: ETH Zurich
Year: 2004
Subjects: Labour productivity
Human capital
PRIVATHAUSHALTE (HAUSWIRTSCHAFT)
Household models
PROFESSIONAL QUALIFICATIONS (VOCATIONAL EDUCATION)
PRIVATE HOUSEHOLDS (HOME ECONOMICS)
Overeducation
ARBEITSPRODUKTIVITÄT
BERUFLICHE QUALIFIKATIONEN (BERUFSAUSBILDUNG)
LABOUR PRODUCTIVITY
info:eu-repo/classification/ddc/330
Economics

description: KOF Working Papers, 93
Supplementary-Material
Creators: name: Hashemvand, Pegah
Publisher: name: figshare
Year: 2020
Subjects: subject: 90905 Photogrammetry and Remote Sensing
subject: FOS: Environmental engineering

description: Assessment of oil palm yield and biophysical suitability in Indonesia and MalaysiaPegah Hashemvand Khiabania* and Wataru Takeuchiba,b Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo, Japan* Correspondence: phkh1366@iis.u-tokyo.jp , Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan.
Mitlaufende und vorlaufende Indikatoren des Bruttoinlandprodukts der EU insgesamt. Analyse mit vollständigen Daten, welche einmalig vom DG ECFIN zur Verfügung gestellt wurden: Analyse mit vollständigen Daten, welche einmalig vom DG ECFIN zur Verfügung gestellt wurden
Creators: name: Etter, Richard
name: Gübeli, Sibylle
name: Klein, Franz-Josef
Publisher: name: ETH Zurich
Year: 2004
Subjects: GROSS NATIONAL PRODUCT
BRUTTONATIONALEINKOMMEN
Europäische Union
info:eu-repo/classification/ddc/330
Economics

description: KOF Working Papers, 92
Efficiency of single versus multiple stimuli for 40-Hz auditory steady-state responses
Creators: name: Fontaine, Charles Maurice
Publisher: name: University of British Columbia
Year: 2010

description: Auditory steady-state responses (ASSRs) were elicited in normal-hearing, awake adults to 500-, 1000-, 2000-, and 4000-Hz carrier frequencies amplitude-modulated in the 40-Hz range in three conditions: individually [monotic-single(MS)--one carrier], simultaneously in one ear [monotic-multiple(MM)--total four carriers], and simultaneously in both ears [dichotic-multiple(DM)--total eight carriers], at intensities of 30, 55, and 80 dBHL. In general, response amplitudes (collapsed across frequency and intensity) decreased with increasing number of simultaneous stimuli, and were 270, 155, and 107 nV for MS, MM and DM conditions, respectively. Amplitude decreases at 30 dBHL, however, were not significant. Relative efficiency (relative test efficiency of multiple versus single conditions) increased from single- to multiple-stimulus conditions, but there was no significant difference between MM and DM conditions. Mean relative efficiencies were 1.00, 1.38, and 1.39 for MS, MM and DM conditions, respectively. At 80 dBHL, there was no significant increase in relative efficiency with multiple stimuli. These results suggest that 40-Hz ASSRs to low and moderate intensities are most efficiently assessed using monotic-multiple stimuli, and that there may be little advantage to simultaneously stimulating both ears. High intensities might be more efficiently assessed using single stimuli.
Geometric formulation of the Covariant Phase Space methods with boundaries
Creators: name: Margalef-Bentabol, Juan
name: Villaseñor, Eduardo J. S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: We analyze in full-detail the geometric structure of the covariant phase space (CPS) of any local field theory defined over a space-time with boundary. To this end, we introduce a new frame: the "relative bicomplex framework". It is the result of merging an extended version of the "relative framework" (initially developed in the context of algebraic topology by R.~Bott and L.W.~Tu in the 1980s to deal with boundaries) and the variational bicomplex framework (the differential geometric arena for the variational calculus). The relative bicomplex framework is the natural one to deal with field theories with boundary contributions, including corner contributions. In fact, we prove a formal equivalence between the relative version of a theory with boundary and the non-relative version of the same theory with no boundary. With these tools at hand, we endow the space of solutions of the theory with a (pre)symplectic structure canonically associated with the action and which, in general, has boundary contributions. We also study the symmetries of the theory and construct, for a large group of them, their Noether currents, and charges. Moreover, we completely characterize the arbitrariness (or lack thereof for fiber bundles with contractible fibers) of these constructions. This clarifies many misconceptions about the role of the boundary terms in the CPS description of a field theory. Finally, we provide what we call the CPS-algorithm to construct the aforementioned (pre)symplectic structure and apply it to some relevant examples.
Environmental justice in the United States : reconstructing "race" and "nature"
Creators: name: Hall, Katherine
Publisher: name: University of British Columbia
Year: 2010

description: Why were people of color largely absent in the participation of environmental organizations until the formation of the environmental justice movement? Until the 1980s, environmental groups in the United States remained relatively homogeneous along racial lines. With the emergence of the environmental justice movement spearheaded and mobilized by people of color, environmentalism was redefined as a civil rights issue. Today, there is a high degree of participation by people of color within environmental justice groups yet, there remains a lack of participation by people of color in mainstream American environmental groups. Few scholars have attempted to analyze the factors leading up to the extreme variation in racial participation of environmental organizations. This thesis attributes the extreme variation to the "differing priorities hypothesis." I theorize that alternate priorities amongst environmental groups resonate differently along racial lines. Mainstream environmental groups focus largely on priorities based on "environmental positives" such as conserving aesthetic beauty, recreation, and preservation for future generations. Alternately, environmental justice groups mobilize around defeating immediate "environmental negatives" in their communities such as toxic dumps, health threats, and polluting industries. Environmental justice definitions of environmentalism appear to resonate with the more pressing concerns of racial minorities as a result of the past and present racial inequality and de.facto segregation still persistent in the United States. This analysis significantly contributes to social constructivism arguments about "race" and "nature" by showing how the environmental justice movement reconstructed "environment" beyond wilderness to where people "live, work and play" while simultaneously countering the racist stereotype that people of color are not interested in environmental issues. The implications of contrasting the Sierra Club founding with the environmental justice founding in Warren County, North Carolina reveals that environmental decisions about what and who is protected are always political just as the concept of nature is never ahistorical. I argue that the homogonous portrayal of environmentalism and denial of the obvious differences between environmental priorities reifies white privilege consistent amongst mainstream society and acts as a barrier for the creation of a serious environmental movement capable of resonating with broader segments of the American population.
title: E-assessment for learning? Exploring the potential of computer-marked assessment and computer-generated feedback, from short-answer questions to assessment analytics.
Creators: name: Jordan, Sally Elizabeth
Publisher: name: The Open University
Year: 2014

description: This submission draws on research from twelve publications, all addressing some aspect of the broad research question: “Can interactive computer-marked assessment improve the effectiveness of assessment for learning?” The work starts from a consideration of the conditions under which assessment of any sort is predicted to best support learning, and reviews the broader literature of assessment and feedback before considering the potential of computer-based assessment, focusing on relatively sophisticated constructed-response questions, and on the impact of instantaneous, tailored and increasing feedback. A range of qualitative and quantitative research methodologies are used to investigate factors which influence the engagement of distance learners of science with computer-marked assessment and computer-generated feedback. It is concluded that the strongest influence on engagement is the student’s understanding of what they are required to do, including their understanding of the wording of assessment tasks and feedback. Clarity of wording is thus important, as is an iterative design process that allows for improvements to be made. Factors such as cut-off dates can have considerable impact, pointing to the importance of good overall assessment design, and more generally to the power and responsibility that lie in the hands of remote developers of online assessment and teaching. Four of the publications describe research into the marking accuracy and effectiveness of questions to which students give their answer as a short phrase or sentence. Relatively simple pattern-matching software has been shown to give marking accuracy at least as good as that of human markers and more sophisticated computer-marked systems, provided questions are developed on the basis of responses from students at a similar level. However, educators continue to use selected-response questions in preference to constructed-response questions, despite concerns over the validity and authenticity of selected-response questions. Factors contributing to the low take-up of more sophisticated computer-marked tasks are discussed. E-assessment also has the potential to improve the learning experience indirectly by providing information to educators about student engagement and student errors, at either the cohort or individual student level. The effectiveness of these “assessment analytics” is also considered, concluding that they have the potential to provide deep general insight and an early warning of at-risk students.
Blind-Match: Efficient Homomorphic Encryption-Based 1:N Matching for Privacy-Preserving Biometric Identification
Creators: name: Choi, Hyunmin
name: Kim, Jiwon
name: Song, Chiyoung
name: Woo, Simon S.
name: Kim, Hyoungshick
Publisher: name: arXiv
Year: 2024
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: We present Blind-Match, a novel biometric identification system that leverages homomorphic encryption (HE) for efficient and privacy-preserving 1:N matching. Blind-Match introduces a HE-optimized cosine similarity computation method, where the key idea is to divide the feature vector into smaller parts for processing rather than computing the entire vector at once. By optimizing the number of these parts, Blind-Match minimizes execution time while ensuring data privacy through HE. Blind-Match achieves superior performance compared to state-of-the-art methods across various biometric datasets. On the LFW face dataset, Blind-Match attains a 99.63% Rank-1 accuracy with a 128-dimensional feature vector, demonstrating its robustness in face recognition tasks. For fingerprint identification, Blind-Match achieves a remarkable 99.55% Rank-1 accuracy on the PolyU dataset, even with a compact 16-dimensional feature vector, significantly outperforming the state-of-the-art method, Blind-Touch, which achieves only 59.17%. Furthermore, Blind-Match showcases practical efficiency in large-scale biometric identification scenarios, such as Naver Cloud's FaceSign, by processing 6,144 biometric samples in 0.74 seconds using a 128-dimensional feature vector.
description: Accepted to CIKM 2024 (Applied Research Track)
Spinning particle in an external linearized gravitational wave field
Creators: name: Barducci, A.
name: Giachetti, R.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the interaction of a scalar and a spinning particle with a coherent linearized gravitational wave field treated as a classical spin two external field. The spin degrees of freedom of the spinning particle are described by skew-commuting variables. We derive the explicit expressions for the eigenfunctions and the Green's functions of the theory. The discussion is exact within the approximation of neglecting radiative corrections and we prove that the result is completely determined by the semiclassical contribution.
description: 11 pages
The Progenitor and Central Engine of short-duration GRB 201006A associated with a coherent radio flash
Creators: name: Tian, Xiao
name: Lü, HouJun
name: Yuan, Yong
name: Yang, Xing
name: Yuan, HaoYu
name: Yi, ShuangXi
name: Zhang, WenLong
name: Liang, EnWei
Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Recently, the detection of a coherent radio flash associated with short-duration GRB 201006A, occurring 76.6 minutes after the burst, has attracted great attention. However, the physical origin of the coherent radio flash remains under debate. By reanalyzing its data observed by Fermi and Swift, we find that an early radio afterglow as the physical origin of the radio flash can be ruled out, but the coherent radio emission seems to be consistent with the hypothesis of a supramassive magnetar as the central engine collapsing into a black hole. Within this scenario, the derived magnetar surface magnetic field ($B_{\rm p}$) and the initial spin period ($P_{\rm 0}$) fall into a reasonable range but require a preferable low value of $η_{\rm R} = 10^{-7}$ or $10^{-6}$. Moreover, the calculated low-$\varepsilon$ value and $E_{\rm γ,iso}-E_{\rm p}$ correlation of GRB 201006A also supports the progenitor which is from the merger of compact stars. We also discuss the non-detected kilonova emission associated with GRB 201006A, and then compare with its upper limits of optical observations.
description: 14 pages, 7 figures, matched with the published verison
IJTIMOIY-SIYOSIY HARAKAT VA UNING SHAKLLARI
Creators: name: Kimsanboyeva, Zuhra
Publisher: name: Zenodo
Year: 2024

description: Ushbu tezisda ijtimoiy siyosiy harakat va uning shakllari namoyon bo’lishi, va ularning jamiyat hayotidagi o’rni va ahamiyati  hamda ushbu harakatlar jamiyatni o‘zgartirish, yangiliklar kiritish va mavjud muammolarni hal qilishda muhim vosita hisoblanib, ularning jamiyatga ta’siri qaysi jihatlarda namoyon bo‘lishi ochib berilgan.
X-Band LLRF Developments for High Power CLIC Test Stands and Waveguide Interferometry for Phase Stabilisation
Creators: name: Edwards, Amelia
Publisher: name: Lancaster University
Year: 2022

description: This thesis describes the upgrade of the first high power X-band RF test for high gradient accelerating structures at CERN, as required for the e+ e- collider research program; Compact Linear Collider, CLIC. Significant improvements to the control system and operation of the first test stand, Xbox-1, are implemented. The design and commissioning of the new Low Level Radio Frequency, LLRF, system is described in detail. The upgrade also encompasses software, interlock systems, timing, safety and control. The new LLRF requires an up-convertor to convert an input signal at 187.4 MHz to 11.806 GHz. The most common method is a phase locked loop, PLL, an alternative method was envisioned which uses single side-band up-convertor. This necessitated the design and manufacture of a custom cavity filter. The up-convertor and PLL are compared and both are implemented in the new LLRF. The new LLRF system is implemented at Xbox1 and used to RF condition a 50 MW CPI klystron, the final output power was 45 MW for a 50 ns RF pulse length. The phase and amplitude of the LLRF, TWT and klystron are characterised with both the PLL and up-convertor. The klystron phase stability was studied using a sensitivity analysis. The waveguide network between the klystron and the accelerating structures is approximately 30 m. This network is subject to environmental phase changes which affect the phase stability of the RF arriving at the structures. A single path inteferometer was designed which will allow a phase measurement pulse at a secondary frequency to be injected into the waveguide network interleaved with klystron pulses. The interferometer is commissioned in the lab and low power measurements validate its operation. The system is then integrated into the high power network at Xbox1 and used to measure phase shifts in the waveguide network which are correlated with temperature.
Supplemental file
Creators: name: Hashemvand, Pegah
Publisher: name: figshare
Year: 2020
Subjects: subject: 90905 Photogrammetry and Remote Sensing
subject: FOS: Environmental engineering

description: Assessment of oil palm yield and biophysical suitability in Indonesia and MalaysiaPegah Hashemvand Khiabania* and Wataru Takeuchiba,b Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo, Japan
* Correspondence: phkh1366@iis.u-tokyo.jp , Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan.
Bestimmungsfaktoren der Innovationstätigkeit und deren Einfluss auf Arbeitsproduktivität, Beschäftigung und Qualifikationsstruktur: eine mikroökonometrische Untersuchung anhand von Paneldaten 1988-2002
Creators: name: Arvanitis, Spyridon
name: Arx, Juliette von
Publisher: name: ETH Zurich
Year: 2004
Subjects: INNOVATION + MODERNISIERUNG
INNOVATION + MODERNIZATION
info:eu-repo/classification/ddc/330
Economics

description: KOF Working Papers, 91
Supplementary-Materials_3rd.pdf
Creators: name: Hashemvand, Pegah
Publisher: name: figshare
Year: 2020
Subjects: subject: 90905 Photogrammetry and Remote Sensing
subject: FOS: Environmental engineering

description: Assessment of oil palm yield and biophysical suitability in Indonesia and MalaysiaPegah Hashemvand Khiabania* and Wataru Takeuchiba,b Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo, Japan* Correspondence: phkh1366@iis.u-tokyo.jp , Institute of Industrial Science, The University of Tokyo, Meguro, Tokyo 153-8505, Japan.
Quantitative Analyse der Auswirkungen wirtschaftspolitischer Massnahmen auf die Einkommensverteilung und das «neue magische Viereck» in der Schweiz
Creators: name: Hartwig, Jochen
Publisher: name: ETH Zurich
Year: 2004
Subjects: WIRTSCHAFTSPOLITIK
SWITZERLAND (CENTRAL EUROPE). SWISS CONFEDERATION
SCHWEIZ (MITTELEUROPA). SCHWEIZERISCHE EIDGENOSSENSCHAFT
ECONOMIC POLICY
EINKOMMENSVERTEILUNG
INCOME DISTRIBUTION
info:eu-repo/classification/ddc/330
Economics

description: Arbeitspapiere / Konjunkturforschungsstelle, Eidgenössische Technische Hochschule Zürich, 90
Are the WMAP angular magnification measurements consistent with an inhomogeneous critical density Universe?
Creators: name: Lieu, R.
name: Mittaz, J. P. D.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The propagation of light through a Universe of (a) isothermal mass spheres amidst (b) a homogeneous matter component, is considered. We demonstrate by an analytical proof that as long as a small light bundle passes {\it through} sufficient number of (a) at various impact parameters - a criterion of great importance - its average convergence will exactly compensate the divergence within (b). The net effect on the light is statistically the same as if all the matter in (a) is `fully homogenized'. When applying the above ideas towards understanding the angular size of the primary acoustic peaks of the microwave background, however, caution is needed. The reason is that most (by mass) of (a) are in galaxies - their full mass profiles are not sampled by passing light - at least the inner 20 kpc regions of these systems are missed by the majority of rays, while the rest of the rays would map back to unresolvable but magnified, randomly located spots to compensate for the loss in angular size. Therefore, a scanning pair of WMAP beams finds most frequently that the largest temperature difference occurs when each beam is placed at diametrically opposite points of the Dyer-Roeder collapsed sections. This is the {\it mode} magnification, which corresponds to the acoustic {\it peaks}, and is less than the mean (or the homogeneous pre-clumping angular size). Since space was seen to be Euclidean without taking the said adjustment into account, the true density of the Universe should be supercritical. Our analysis gives $Ω_m =$ 0.278 $\pm$ 0.040 and $Ω_Λ =$ 0.782 $\pm$ 0.040.
description: ApJ 623, L1 (2005)
Cosmological insights into the assembly of the radial and compact stellar halo of the Milky Way
Creators: name: Elias, Lydia M.
name: Sales, Laura V.
name: Helmi, Amina
name: Hernquist, Lars
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Recent studies using Gaia DR2 have identified a massive merger in the history of the Milky Way (MW) whose debris is markedly radial and counterrotating. This event, known as the Gaia-Enceladus/Gaia-Sausage (GE/GS), is also hypothesized to have built the majority of the inner stellar halo. We use the cosmological hydrodynamic simulation Illustris to place this merger in the context of galaxy assembly within $Λ$CDM. From $\sim$150 MW analogs, $\sim 80 \%$ have experienced at least one merger of similar mass and infall time as GE/GS. Within this sample, 37 have debris as radial as that of the GE/GS, which we dub the Ancient Radial Mergers (ARMs). Counterrotation is not rare among ARMs, with $43 \%$ having $>40 \%$ of their debris in counterrotating orbits. However, the compactness inferred for the GE/GS debris, given its large $β$ and its substantial contribution to the stellar halo, is more difficult to reproduce. The median radius of ARM debris is r$_{*,deb}\simeq 45$kpc, while GE/GS is thought to be mostly contained within $r\sim 30$ kpc. For most MW analogs, a few mergers are required to build the inner stellar halo, and ARM debris only accounts for $\sim 12 \%$ of inner accreted stars. Encouragingly, we find one ARM that is both compact and dominates the inner halo of its central, making it our best GE/GS analog. Interestingly, this merger deposits a significant number of stars (M$_*\simeq1.5 \times 10^9 M_\odot$) in the outer halo, suggesting that an undiscovered section of GE/GS may await detection.
Using Symmetries to Investigate the Complete Integrability, Solitary Wave Solutions and Solitons of the Gardner Equation
Creators: name: Hereman, Willy
name: Göktaş, Ünal
Publisher: name: arXiv
Year: 2024
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Mathematical Physics (math-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences
subject: Primary 35Q51, 35Q53. Secondary 37K10, 37K40

description: Using a scaling symmetry, it is shown how to compute polynomial conservation laws, generalized symmetries, recursion operators, Lax pairs, and bilinear forms of polynomial nonlinear partial differential equations thereby establishing their complete integrability. The Gardner equation is chosen as the key example for it comprises both the Korteweg-de Vries and modified Korteweg-de Vries (mKdV) equations. The Gardner and Miura transformations which connect these equations are also computed using the concept of scaling homogeneity. Exact solitary wave solutions and solitons of the Gardner equation are derived using Hirota's method and other direct methods. The nature of these solutions depends on the sign of the cubic term in the Gardner equation and the underlying mKdV equation. It is shown that flat (table-top) waves of large amplitude only occur when the sign of the cubic nonlinearity is negative (defocusing case) whereas the focusing Gardner equation has the standard elastically colliding solitons. The paper's aim is to provide a review of integrability properties and solutions of the Gardner equation and illustrate the applicability of the scaling symmetry approach. The methods and algorithms used in this paper have been implemented in Mathematica but can be adapted for major computer algebra systems.
description: Updated version of invited paper published in Special Issue on Symmetry Methods for Solving Differential Equations (Mehmet Pakdemirli, ed.) of Mathematical and Computational Applications (35 pages, 9 figures, 83 references). Minor corrections, text expanded, and several references added. Open access (2024)
Dynamical large deviations of reflected diffusions
Creators: name: Buisson, Johan du
name: Touchette, Hugo
Publisher: name: arXiv
Year: 2020
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Probability (math.PR)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study the large deviations of time-integrated observables of Markov diffusions that have perfectly reflecting boundaries. We discuss how the standard spectral approach to dynamical large deviations must be modified to account for such boundaries by imposing zero-current conditions, leading to Neumann or Robin boundary conditions, and how these conditions affect the driven process, which describes how large deviations arise in the long-time limit. The results are illustrated with the drifted Brownian motion and the Ornstein-Uhlenbeck process reflected at the origin. Other types of boundaries and applications are discussed.
description: v1: 12 pages, 6 figures; v2: Sec. IV.B improved and typos corrected. Close to published version
title: Behavioural adaption of drivers of unequipped vehicles to short time headways observed in a vehicle platoon
Creators: name: Gouy, Magali
Publisher: name: The Open University
Year: 2013

description: Advanced driver assistance systems (ADAS) are increasingly present within modern vehicles, supporting the introduction of semi- and fully-automated driving situations. As a consequence, a mixed traffic situation is likely to emerge where vehicles equipped with different degrees of automated systems will interact with unequipped vehicle drivers (UVDs). Platoons of vehicles comprise a vision for future traffic and are designed to maintain small headways in order to have a beneficial effect on both energy consumption and traffic flow. The overarching aim of this work was to investigate whether the presence of automated vehicle platoons will impact UVDs’ car-following behaviour. This required understanding in which conditions behavioural adaptation of UVDs can possibly emerge. Therefore, four studies were conducted using a car simulator whereby participants drove behind a lead vehicle in the vicinity of automated platoons of vehicles exhibiting different headway characteristics. Further external factors were varied across the different simulator studies. In summary, when drivers were motivated by instructions and not impeded by keeping track of a lead vehicle, expected changes in behaviour were noticed: reductions in mean THW, minimum THW, amount of time spent below a critical THW and the variation of lane position were observed when driving next to a platoon with short THWs. Contrarily, there was no significant effect of platoons’ headway when UVDs followed a lead vehicle as a result of congested traffic. It was interpreted that elements of the environment as well as driver’s cognitive state such as workload and motivation influenced the magnitude of the effects. Other factors are still unclear such as the influence of drivers’ personality and driving skills. More work is needed to understand fully the conditions that promote behavioural change. Beyond the scope presented here, further research is also needed to understand how increasing deployment of vehicles equipped with ADAS may affect driver behaviour across the wider vehicle fleet.
Muon deficit in air shower simulations estimated from AGASA muon measurements
Creators: name: Gesualdi, Flavia
name: Supanitsky, Alberto Daniel
name: Etchegoyen, Alberto
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: In this work, direct measurements of the muon density at $1000\,\textrm{m}$ from the shower axis obtained by the Akeno Giant Air Shower Array (AGASA) are analysed. The selected events have zenith angles $θ\leq 36^{\textrm{o}}$ and reconstructed energies in the range $18.83\,\leq\,\log_{10}(E_{R}/\textrm{eV})\,\leq\,19.46$. These are compared to the predictions corresponding to proton, iron, and mixed composition scenarios obtained by using the high-energy hadronic interaction models EPOS-LHC, QGSJetII-04, and Sibyll2.3c. The mass fractions of the mixed composition scenarios are taken from the fits to the depth of the shower maximum distributions performed by the Pierre Auger Collaboration. The cross-calibrated energy scale from the Spectrum Working Group [D. Ivanov, for the Pierre Auger Collaboration and the Telescope Array Collaboration, PoS(ICRC2017) 498 (2017)] is used to combine results from different experiments. The analysis shows that the AGASA data are compatible with a heavier composition with respect to the one predicted by the mixed composition scenarios. Interpreting this as a muon deficit in air shower simulations, the incompatibility is quantified. The muon density obtained from AGASA data is greater than that of the mixed composition scenarios by a factor of $1.49\pm0.11\,\textrm{(stat)}\pm0.18\,\textrm{(syst)}$, $1.54\pm0.12\,\textrm{(stat)}\pm0.18\,\textrm{(syst)}$, and $1.66\pm0.13\,\textrm{(stat)}\pm0.20\,\textrm{(syst)}$ for EPOS-LHC, Sibyll2.3c, and QGSJetII-04, respectively.
description: 11 pages, 7 figures, to be published in Physical Review D
Probing Topological Superconductivity of oxide nanojunctions using fractional Shapiro steps
Creators: name: Guarcello, Claudio
name: Maiellaro, Alfonso
name: Settino, Jacopo
name: Gaiardoni, Irene
name: Trama, Mattia
name: Romeo, Francesco
name: Citro, Roberta
Publisher: name: arXiv
Year: 2024
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We theoretically discuss the emergence of fractional Shapiro steps in a Josephson junction created by confining a two-dimensional electron gas at an oxide interface. This phenomenon is induced by an alternating current of proper amplitude and frequency and can be tuned by a magnetic field applied perpendicular to the Rashba spin-orbit axis. The presence of fractional Shapiro steps can be associated with the creation of Majorana bound states at the boundaries of the superconducting leads. Our findings represent a route for the identification of topological superconductivity in non-centrosymmetric materials and confined systems in the presence of spin--orbit interaction, offering also new insights into recently explored frameworks.
description: 8 pages, 4 figures