cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
New effects in absorption of ultrasound in intermediate state of high pure type I superconductor
Creators: name: Shepelev, Anatoly G.
name: Ledenyov, Oleg P.
name: Filimonov, Genady D.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: The research on the longitudinal ultrasound absorption in an intermediate state of the high pure Gallium single crystal at the frequency of 50-190MHz at the temperatures of 0,37-0,75 K, using the impulse method, is conducted. The new effects in the absorption of ultrasound in an intermediate state of the high pure type I superconductor are discovered. The big oscillations in the dependence of the ultrasound absorption on the magnetic field in an intermediate state of the high pure Gallium single crystal are experimentally observed at the magnitudes of magnetic field below the critical magnetic field. The maximum of the monotonic absorption of longitudinal ultrasound in an intermediate state of the high pure type I superconductor is also obtained. The possible original theoretical mechanisms to explain the nature of big oscillations in the dependence of the ultrasound absorption on the magnetic field in an intermediate state of the high pure type I superconductor are proposed.
description: 4 pages, 2 figures http://www.jetpletters.ac.ru/ps/1630/article_24925.pdf
Upper Bounds on the Quantifier Depth for Graph Differentiation in First-Order Logic
Creators: name: Kiefer, Sandra
name: Schweitzer, Pascal
Publisher: name: arXiv
Year: 2016
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Computational Complexity (cs.CC)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: F.4.1

description: We show that on graphs with n vertices, the 2-dimensional Weisfeiler-Leman algorithm requires at most O(n^2/log(n)) iterations to reach stabilization. This in particular shows that the previously best, trivial upper bound of O(n^2) is asymptotically not tight. In the logic setting, this translates to the statement that if two graphs of size n can be distinguished by a formula in first-order logic with counting with 3 variables (i.e., in C3), then they can also be distinguished by a C3-formula that has quantifier depth at most O(n^2/log(n)). To prove the result we define a game between two players that enables us to decouple the causal dependencies between the processes happening simultaneously over several iterations of the algorithm. This allows us to treat large color classes and small color classes separately. As part of our proof we show that for graphs with bounded color class size, the number of iterations until stabilization is at most linear in the number of vertices. This also yields a corresponding statement in first-order logic with counting. Similar results can be obtained for the respective logic without counting quantifiers, i.e., for the logic L3.
First-order sideband transitions with flux-driven asymmetric transmon qubits
Creators: name: Strand, J. D.
name: Ware, Matthew
name: Beaudoin, Félix
name: Ohki, T. A.
name: Johnson, B. R.
name: Blais, Alexandre
name: Plourde, B. L. T.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate rapid, first-order sideband transitions between a superconducting resonator and a frequency-modulated transmon qubit. The qubit contains a substantial asymmetry between its Josephson junctions leading to a linear portion of the energy band near the resonator frequency. The sideband transitions are driven with a magnetic flux signal of a few hundred MHz coupled to the qubit. This modulates the qubit splitting at a frequency near the detuning between the dressed qubit and resonator frequencies, leading to rates up to 85 MHz for exchanging quanta between the qubit and resonator.
description: 4.5 pages, 4 figures; published version
Ein Grabfund der nordischen Megalithkultur von Oldendorf, Kr. Lüneburg
Creators: name: Sprockhoff, Ernst
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2018

description: -
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 30, Nr. 2 (1952)
Zur Datierung der frühmittelalterlichen Tonware von Badorf, Ldkr. Köln
Creators: name: Tischler, Fritz
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2018

description: -
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 30, Nr. 2 (1952)
Conic bundles that are not birational to numerical Calabi--Yau pairs
Creators: name: Kollár, János
Publisher: name: arXiv
Year: 2016
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14M22, 14J45, 14J20 (Primary), 14J32, 14E05 (Secondary)

description: Let $X$ be a general conic bundle over the projective plane with branch curve of degree at least 19. We prove that there is no normal projective variety $Y$ that is birational to $X$ and such that some multiple of its anticanonical divisor is effective. We also give such examples for 2-dimensional conic bundles defined over a number field.
title: Early Multi-criteria Detection of Students at Risk of Failure
Creators: name: Ilieva, Galina
name: Yankova, Tania
Publisher: name: TEM Journal
Year: 2020

description: In this paper, we present a new fuzzy methodology for early students’ failure detection. High school background, subjects studied in the university and activities in learning management systems were determined to be the factors influencing students’ performance. After selection of the impact factors of students’ assessment, we convert linguistic evaluations into fuzzy numbers and employ multi-criteria methods for educational data processing. In two practical examples, the aggregate students’ scores were calculated by using fuzzy multi-criteria algorithms. The obtained students’ ranking helps instructors during the semester to detect students who will drop out the course and to plan additional learning activities for these students. In the future, we plan on analysing students’ data from different university’s courses and majors and mining several academic years in order to create a reliable assessment index for early prediction of students’ failure.
title: Interactive Augmented Reality with Natural Action for Chemistry Experiment Learning
Creators: name: Chun Lam, Meng
name: Kei Tee, Hwei
name: Muhammad Nizam, Siti Soleha
name: Che Hashim, Nurhazarifah
name: Asylah Suwadi, Nur
name: Yee Tan, Siok
name: Aini Abd Majid, Nazatul
name: Arshad, Haslina
name: Yee Liew, Sook
Publisher: name: TEM Journal
Year: 2020

description: Conventionally, the interaction between a user and augmented reality (AR) application is limited. Mostly, it allows virtual information browsing on the AR marker or basic manipulation such as moving and resizing of the 3D model. This study presents a rich interaction that allows users to mimic physical action such as shaking and pouring in chemistry experiment using card-based or box-based marker design. The user is required to follow the instruction to select the correct AR marker that represents apparatus or solutions and performs the physical action to conduct an experiment. Usability’s result showed the respondents were satisfied with the application.
Renormalization of dimension-six operators relevant for the Higgs decays $h\rightarrow γγ,γZ$
Creators: name: Elias-Miro, J.
name: Espinosa, J. R.
name: Masso, E.
name: Pomarol, A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The discovery of the Higgs boson has opened a new window to test the SM through the measurements of its couplings. Of particular interest is the measured Higgs coupling to photons which arises in the SM at the one-loop level, and can then be significantly affected by new physics. We calculate the one-loop renormalization of the dimension-six operators relevant for $h\rightarrow γγ, γZ$, which can be potentially important since it could, in principle, give log-enhanced contributions from operator mixing. We find however that there is no mixing from any current-current operator that could lead to this log-enhanced effect. We show how the right choice of operator basis can make this calculation simple. We then conclude that $h\rightarrow γγ, γZ$ can only be affected by RG mixing from operators whose Wilson coefficients are expected to be of one-loop size, among them fermion dipole-moment operators which we have also included.
description: 21 pages. Improved version with h -> gamma Z results added and structure of anomalous-dimension matrix determined further. Conclusions unchanged
title: Examination of Spatial Ability with Emphasis on Solving Cube Tasks
Creators: name: Vallo, Dusan
name: Rumanova, Lucia
name: Duris, Viliam
name: Rybansky, Lubomir
Publisher: name: TEM Journal
Year: 2020

description: In this paper, we focused on verifying the basic geometry knowledge regarding the future primary education teachers with the aim of predicting the success on solving individual test tasks using the statistical method of logistic regression.
A Study of $k$-dipath Colourings of Oriented Graphs
Creators: name: Duffy, Christopher
name: MacGillivray, Gary
name: Sopena, Éric
Publisher: name: arXiv
Year: 2016
Subjects: subject: Discrete Mathematics (cs.DM)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: F.2.2; G.2.2
subject: 05C15, 05C20, 05C60

description: We examine $t$-colourings of oriented graphs in which, for a fixed integer $k \geq 1$, vertices joined by a directed path of length at most $k$ must be assigned different colours. A homomorphism model that extends the ideas of Sherk for the case $k=2$ is described. Dichotomy theorems for the complexity of the problem of deciding, for fixed $k$ and $t$, whether there exists such a $t$-colouring are proved.
description: 14 pages
Mediating household energy transitions through co-design in urban Kenya, Uganda and South Africa
Creators: name: Ambole, A
name: Musango, JK
name: Buyana, K
name: Ogot, M
name: Anditi, C
name: Mwau, B
name: Kovacic, Z
name: Smit, S
name: Lwasa, S
name: Nsangi, G
name: Sseviiri, H
name: Brent, Alan
Publisher: name: Open Access Victoria University of Wellington | Te Herenga Waka
Year: 2021
Subjects: subject: 160599 Policy and Administration not elsewhere classified
subject: FOS: Political science
subject: 160499 Human Geography not elsewhere classified
subject: FOS: Social and economic geography

description: Approaches to providing sustainable energy in cities have generated considerable interest in academic and policy circles. The development of this body of work, however, has not shed much light on the modes of intermediation that are needed to reconfigure urban energy systems towards sustainability in energy-poor countries. This paper focuses on the role of academics as knowledge intermediaries who can trigger cross-sector collaborations around innovations for a sustainable energy transition in African cities. The research presented here was generated by an interdisciplinary research team made up of partners in Kenya, Uganda and South Africa. The research partners set out to better understand how sustainable energy transitions can be achieved through collaborative efforts between community members, experts and policy actors in the three countries. This paper provides evidence-based reflections on how the research partners used participatory methods to facilitate solution co-design and knowledge co-production over a period of two years under the Leading Integrated Research for Agenda 2030 in Africa (LIRA 2030) program. A key knowledge outcome of the research partnership is an improved understanding of how transdisciplinary research across the sub-region can be used to unearth the socio-spatial, cultural and political dimensions of energy in relation to other urban services such as health and housing. Based on this understanding, the paper proposes transdisciplinary co-design as a promising approach to providing sustainable energy in urban informal settlements in Sub-Saharan Africa.
Impedance generalization for plasmonic waveguides beyond the lumped circuit model
Creators: name: Kaiser, Thomas
name: Hasan, Shakeeb Bin
name: Paul, Thomas
name: Pertsch, Thomas
name: Rockstuhl, Carsten
Publisher: name: arXiv
Year: 2013
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We analytically derive a rigorous expression for the relative impedance ratio between two photonic structures based on their electromagnetic interaction. Our approach generalizes the physical meaning of the impedance to a measure for the reciprocity-based overlap of eigenmodes. The consistence with known cases in the radiofrequency and optical domain is shown. The analysis reveals where the applicability of simple circuit parameters ends and how the impedance can be interpreted beyond this point. We illustrate our approach by successfully describing a Bragg reflector that terminates an insulator-metal-insulator plasmonic waveguide in the near-infrared by our mpedance concept.
Günther Haseloff, Der Tassilokelch
Creators: name: Volbach, Wolfgang Fritz
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2018

description: Rezension zu: Günther Haseloff, Der Tassilokelch. Münchner Beiträge zur Vor- und Frühgeschichte. Band 1. C. H. Beck’sche Verlagbuchhandlung, München 1951. 95 S., 39 Abb., 16 Taf.
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 30, Nr. 2 (1952)
Hitting minors, subdivisions, and immersions in tournaments
Creators: name: Raymond, Jean-Florent
Publisher: name: arXiv
Year: 2016
Subjects: subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences
subject: G.2.2
subject: 05C70

description: The Erdős-Pósa property relates parameters of covering and packing of combinatorial structures and has been mostly studied in the setting of undirected graphs. In this note, we use results of Chudnovsky, Fradkin, Kim, and Seymour to show that, for every directed graph $H$ (resp. strongly-connected directed graph $H$), the class of directed graphs that contain $H$ as a strong minor (resp. butterfly minor, topological minor) has the vertex-Erdős-Pósa property in the class of tournaments. We also prove that if $H$ is a strongly-connected directed graph, the class of directed graphs containing $H$ as an immersion has the edge-Erdős-Pósa property in the class of tournaments.
description: Accepted to Discrete Mathematics & Theoretical Computer Science. Difference with the previous version: use of the DMTCS article class. For a version with hyperlinks see the previous version
Funde der Glockenbecherkultur aus Battin, Kr. Prenzlau
Creators: name: Raddatz, Klaus
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2018

description: -
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 30, Nr. 3/4 (1952)
title: The Results of the Summative Stage of the Experiment on the Development of the Informational and Communication Competence of Teachers in the System of Military Education
Creators: name: Yahupov, Vasyl
name: Svystun, Valentyna
name: Kyva, Vladyslav
Publisher: name: TEM Journal
Year: 2020

description: The study presents the results of the statistical processing of data on the summative stage within the pedagogical experiment, in particular the empirical data on the levels (low, satisfactory, sufficient, high) of formedness regarding the informational and communication competence (ICC) of teachers in the system of military education (SME) with a breakdown by its components – axiologicalmotivational, intellectual, praxeological, informationaltechnological and subjectival. The analysis of the results of its formedness shows that 70,97% of teachers have the need to develop theoretical competence (knowledge) and practical ability (skills, experience and psychological readiness) in the field of ICTs and their application in scientific and pedagogical activity, which would ensure successful performance of their official duties as subjects of scientific and pedagogical activity.
Klaus Schwarz, Die vor- und frühgeschichtlichen Geländedenkmäler Oberfrankens
Creators: name: Uslar, Rafael Von
Publisher: name: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts
Year: 2017

description: Rezension zu: Klaus Schwarz, Die vor- und frühgeschichtlichen Geländedenkmäler Oberfrankens. Materialhefte zur Bayerischen Vorgeschichte, für das Bayerische Landesamt für Denkmalpflege hrsg. von Werner Krämer. Heft 5. Verlag Michael Lassleben, Kallmünz 1955. Textband: 203 S.. 2 Abb., 8 Taf.; Atlas: 8 S., 30 Beilagen, 7 Karten.
description: Germania : Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts, Bd. 34, Nr. 3/4 (1956)
Stochastic Optimal Sizing of Micro-Grids Using the Moth-Flame Optimization Algorithm
Creators: name: Mohseni, Soheil
name: Brent, Alan
name: Burmester, Daniel
name: Chatterjee, Abhi
Publisher: name: Open Access Victoria University of Wellington | Te Herenga Waka
Year: 2021
Subjects: Uncategorized

description: Optimal sizing of renewable and sustainable energy systems should consider the uncertainties associated with various input data to ensure the financial sustainability of developing such systems, especially in the case of stand-alone systems. This paper proposes a novel stochastic modelling framework for the optimal sizing of micro-grids subject to satisfying a reliability index for supplying the loads. The proposed framework incorporates a model reduction technique, a state-of-the-art meta-heuristic optimization algorithm (i.e. moth-flame optimization algorithm), as well as an uncertainty analysis technique using Monte Carlo simulations based on a new scenario reduction process. It also preserves the computational tractability. A micro-grid test system incorporating photovoltaic panels, wind turbines, battery packs, a DC/AC inverter., and an electric vehicle fast charging station is used to assess the validity and effectiveness of the proposed stochastic framework. Accordingly, the impact of uncertainties associated with renewable power generation and load demand on the sizes of the considered micro-grid components are evaluated. The numerical simulation results for the considered micro-grid test system are presented and compared with those generated by a deterministic model, which have demonstrated the effectiveness of the proposed stochastic modelling framework.
title: Online Educational Resources for Students and Digital Barrier
Creators: name: Ling, Viktoriya
name: Sotnikova, Lyudmila
name: Rodionova, Irina
name: Vasilets, Irina
name: Zavjalova, Olga
name: Fedorovskaya, Victoria
name: Datkova, Ekaterina
Publisher: name: TEM Journal
Year: 2020

description: The purpose of the research is to highlight possibilities and prospects of student’ use of Internet encyclopedias, massive open online courses and interactive platforms. The concept of the digital barrier is comprehensively revealed and the factors that influence it are considered. The article is addressed to teachers and specialists involved in the development of educational online platforms, as well as to all those interested in modern online education trends.
Slovensko v mladšej dobe kamennej. Die Slowakei in der jüngeren Steinzeit
Creators: name: Höckmann, Olaf
Publisher: name: Jahrbuch des Römisch-Germanischen Zentralmuseums Mainz
Year: 2017
Subjects: Buchbesprechung

description: Rezension zu: Slovensko v mladšej dobe kamennej. Die Slowakei in der jüngeren Steinzeit. Herausgeber Anton Točík. Pravek  Slovenska II (Vydavateľstvo Slovenskej Akadémie Vied, Bratislava 1970) 292 S., 41 Abb., 95 Taf.
description: Jahrbuch des Römisch-Germanischen Zentralmuseums Mainz, Bd. 19 (1972)
Model Checking Flat Freeze LTL on One-Counter Automata
Creators: name: Lechner, Antonia
name: Mayr, Richard
name: Ouaknine, Joël
name: Pouly, Amaury
name: Worrell, James
Publisher: name: arXiv
Year: 2016
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Formal Languages and Automata Theory (cs.FL)
subject: FOS: Computer and information sciences

description: Freeze LTL is a temporal logic with registers that is suitable for specifying properties of data words. In this paper we study the model checking problem for Freeze LTL on one-counter automata. This problem is known to be undecidable in general and PSPACE-complete for the special case of deterministic one-counter automata. Several years ago, Demri and Sangnier investigated the model checking problem for the flat fragment of Freeze LTL on several classes of counter automata and posed the decidability of model checking flat Freeze LTL on one-counter automata as an open problem. In this paper we resolve this problem positively, utilising a known reduction to a reachability problem on one-counter automata with parameterised equality and disequality tests. Our main technical contribution is to show decidability of the latter problem by translation to Presburger arithmetic.
Conference Review: Early High Technology Ceramics Meeting. 27th April 2017, UCL Institute of Archaeology
Creators: name: Dillis, Sarah
name: Stienaers, Anneleen
name: Ham-Meert, Alicia Van
Publisher: name: The Old Potter's Almanack
Year: 2017

description: [nicht vorhanden / not available]
description: The Old Potter's Almanack, Vol 22, No 1 (2017)
Life cycle cost profitability of biomass power plants in South Africa within the international context
Creators: name: Visser, H
name: Thopil, GA
name: Brent, Alan
Publisher: name: Open Access Victoria University of Wellington | Te Herenga Waka
Year: 2021
Subjects: subject: Mechanical Engineering
subject: FOS: Mechanical engineering
subject: 91599 Interdisciplinary Engineering not elsewhere classified
subject: FOS: Other engineering and technologies
subject: 90699 Electrical and Electronic Engineering not elsewhere classified
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: South Africa's renewable energy programme has been widely considered a success. Biomass is one of the selected technologies, on which capacity and tariff caps are set in place. It is unclear whether the price caps allow for sufficient profits for private role-players. The aim of the study is to investigate the potential profit margins for biomass power plant companies entering the programme. Costs throughout the lifespan of the power purchase agreement were determined by using the Levelised Cost of Electricity (LCOE) metric. The method used cost inputs which were determined using a mixture of local and international indicators for three scenarios, the worst case (WC) scenario representing highest input costs, the most likely case (MLC) scenario representing median costs, and best case (BC) scenario representing lowest input costs. The results show that the WC, MLC and BC LCOE for biomass power plants in South Africa are 3.53 ZAR/kWh (0.235 USD/kWh), 1.30 ZAR/kWh (0.086 USD/kWh) and 0.78 ZAR/kWh (0.052 USD/kWh), respectively. In all three scenarios, the bulk of the cost constitute delivered fuel costs. Considering sales tariffs at ZAR1.475/kWh, profit margins for WC, MLC and BC scenarios were determined as −139%, 12% and 47%, respectively. These figures compare favourably with China, the United States of America, and Europe in general, opposed to Canada, where higher profit margins are achievable.
The Interplanetary Network Supplement to the Fermi GBM Catalog of Cosmic Gamma-Ray Bursts
Creators: name: Hurley, K.
name: Pal'shin, V. D.
name: Aptekar, R. L.
name: Golenetskii, S. V.
name: Frederiks, D. D.
name: Mazets, E. P.
name: Svinkin, D. S.
name: Briggs, M. S.
name: Connaughton, V.
name: Meegan, C.
name: Goldsten, J.
name: Boynton, W.
name: Fellows, C.
name: Harshman, K.
name: Mitrofanov, I. G.
name: Golovin, D. V.
name: Kozyrev, A. S.
name: Litvak, M. L.
name: Sanin, A. B.
name: Rau, A.
name: von Kienlin, A.
name: Zhang, X.
name: Yamaoka, K.
name: Fukazawa, Y.
name: Hanabata, Y.
name: Ohno, M.
name: Takahashi, T.
name: Tashiro, M.
name: Terada, Y.
name: Murakami, T.
name: Makishima, K.
name: Barthelmy, S.
name: Cline, T.
name: Gehrels, N.
name: Cummings, J.
name: Krimm, H. A.
name: Smith, D. M.
name: Del Monte, E.
name: Feroci, M.
name: Marisaldi, M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present Interplanetary Network (IPN) data for the gamma-ray bursts in the first Fermi Gamma-Ray Burst Monitor (GBM) catalog. Of the 491 bursts in that catalog, covering 2008 July 12 to 2010 July 11, 427 were observed by at least one other instrument in the 9-spacecraft IPN. Of the 427, the localizations of 149 could be improved by arrival time analysis (or triangulation). For any given burst observed by the GBM and one other distant spacecraft, triangulation gives an annulus of possible arrival directions whose half-width varies between about 0.4' and 32 degrees, depending on the intensity, time history, and arrival direction of the burst, as well as the distance between the spacecraft. We find that the IPN localizations intersect the 1 sigma GBM error circles in only 52% of the cases, if no systematic uncertainty is assumed for the latter. If a 6 degree systematic uncertainty is assumed and added in quadrature, the two localization samples agree about 87% of the time, as would be expected. If we then multiply the resulting error radii by a factor of 3, the two samples agree in slightly over 98% of the cases, providing a good estimate of the GBM 3 sigma error radius. The IPN 3 sigma error boxes have areas between about 1 square arcminute and 110 square degrees, and are, on the average, a factor of 180 smaller than the corresponding GBM localizations. We identify two bursts in the IPN/GBM sample that did not appear in the GBM catalog. In one case, the GBM triggered on a terrestrial gamma flash, and in the other, its origin was given as uncertain. We also discuss the sensitivity and calibration of the IPN.
description: 52 pages, 12 figures, 4 tables. Revised version, resubmitted to the Astrophysical Journal Supplement Series following refereeing. Figures of the localizations in Table 3 may be found on the IPN website, at ssl.berkeley.edu/ipn3/YYMMDD, where YY, MM, and DD are the year, month, and day of the burst, sometimes with suffixes A or B
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title: Vulnerability analysis and simulation of compromise of ACMS in attacks on RFID technology access keys
Creators: name: ÐÐ½Ð¸ÐºÐµÐµÐ², ÐÐ½Ð´ÑÐµÐ¹
name: ÐÐ°ÐºÐ°ÑÑÑÐº, ÐÐ»ÐµÐºÑÐ°Ð½Ð´ÑÐ°
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2024
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vulnerabilities
compromise
access keys

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description: The article provides a study of access control and management systems (ACMS) in the context of possible attacks on RFID technology access keys, discusses the main methods of compromising keys using information technology and simulates possible attack scenarios. The presented results of the risk analysis summarize the proposed methods of protection against unauthorized access. A special place in the analysis was given to improving the security of ACMS and resistance to modern cyber-attacks.
The distribution of the number of node neighbors in random hypergraphs
Creators: name: López, Eduardo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Hypergraphs, graph generalizations where edges are conglomerates of $r$ nodes called hyperedges of rank $r\geq 2$, are excellent models to study systems with interactions that are beyond the pairwise level. For hypergraphs, the node degree $\ell$ (number of hyperedges connected to a node) and the number of neighbors $k$ of a node differ from each other in contrast to the case of graphs. Here, I calculate the distribution of the number of node neighbors in random hypergraphs in which hyperedges of uniform rank $r$ have a homogeneous probability $p$ to appear. This distribution is equivalent to the degree distribution of ensembles of projected graphs from hypergraph or bipartite network ensembles, where the projection connects any two nodes in the projected graph when they are also connected in the hypergraph or bipartite network. The calculation is non-trivial due to the possibility that neighbor nodes belong simultaneously to multiple hyperedges (node overlaps). From the exact results, the traditional sparse (small $p$) asymptotic approximation to the distribution is rederived and improved; the approximation exhibits Poisson-like behavior accompanied by strong fluctuations modulated by power-law decays in the system size $N$ with decay exponents equal to the minimum number of overlapping nodes possible for a given number of neighbors. It is shown that the dense limit cannot be explained if overlaps are ignored, and the correct asymptotic distribution is provided. The neighbor distribution requires the calculation of a new combinatorial coefficient $Q_{r-1}(k,\ell)$, counting the number of distinct labelled hypergraphs of $k$ nodes, $\ell$ hyperedges of rank $r-1$, and where every node is connected to at least one hyperedge. Some identities of $Q_{r-1}(k,\ell)$ are derived and applied to the verification of normalization and the calculation of moments of the neighbor distribution.
description: 37 pages, 6 figures
Additional file 1 of The effects of conjugated linoleic acid supplementation on glycemic control, adipokines, cytokines, malondialdehyde and liver function enzymes in patients at risk of cardiovascular disease: a GRADE-assessed systematic review and dose–response meta-analysis
Creators: name: Ghodoosi, Nasim
name: Rasaei, Niloufar
name: Goudarzi, Kian
name: Hashemzadeh, Maral
name: Dolatshahi, Sina
name: Omran, Hossein Salehi
name: Amirani, Niusha
name: Ashtary-larky, Damoon
name: Shimi, Ghazaleh
name: Asbaghi, Omid
Publisher: name: figshare
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer
subject: Science Policy

description: Additional file 1.
Additional file 1 of Clinical associate students’ perceptions of factors that influence their developing professional identity: a qualitative study
Creators: name: Mgobozi, Aviwe
name: McNamee, Lakshini
name: Couper, Ian
Publisher: name: figshare
Year: 2023
Subjects: subject: Space Science
subject: Medicine
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Science Policy

description: Additional file 1.
Hochmittelalterliche Buntmetallverhüttung im Zitzenbachtal in Kreuztal-Ferndorf
Creators: name: Zeiler, Manuel
name: Garner, Jennifer
name: Golze, Rolf
name: Müller-Delvart, Matthias
name: Zickgraf, Benno
name: Riese, Torsten
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)
Perpetuating energy poverty: Assessing roadmaps for universal energy access in unmet African electricity markets
Creators: name: Batinge, B
name: Musango, J Kaviti
name: Brent, Alan
Publisher: name: Open Access Victoria University of Wellington | Te Herenga Waka
Year: 2021
Subjects: subject: 160599 Policy and Administration not elsewhere classified
subject: FOS: Political science
subject: 160499 Human Geography not elsewhere classified
subject: FOS: Social and economic geography

description: A growing number of people in Africa still do not have access to electricity. This phenomenon threatens the realisation of the United Nation's Sustainable Development Goal 7, pertaining to universal access to modern energy. Factors attributed to Africa's low electricity access include limited financial resources at the dispensation of governments to execute the capital-intensive infrastructure development required by the power sector. This paper examines different scenarios to ascertain roadmaps for universal energy access in unmet African electricity market. This was achieved by developing the Africa Electricity Access (AFELA)model, using system dynamics. AFELA comprises three sub-models, namely: Electricity Access, Electricity Capital Investment, and Electricity Supply Capacity. Four scenarios were examined to determine the fastest roadmap to universal electricity access in Africa. The scenarios were the Baseline scenario, Economies of scale scenario, Capacity utilisation factor scenario, and Electricity access investment scenario. The results show that the Electricity access investment scenario, which entails an increase in the annual power investment by two per cent of GDP, is the most viable way to universal electricity access. The budget constraints of national governments, who are mandated to provide electricity, and the limited funds available from multilateral and bilateral aids, imply that investment from the private sector is vital. The paper thus suggests private sector finance as a conduit to address the funding challenge, and expedite the attainment of universal access to electricity.
Ein Münzschatzfund aus der Anfangszeit des Dreißigjährigen Krieges aus Nottuln-Darup
Creators: name: Kötz, Stefan
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)
Fair Simulation for Nondeterministic and Probabilistic Buechi Automata: a Coalgebraic Perspective
Creators: name: Urabe, Natsuki
name: Hasuo, Ichiro
Publisher: name: arXiv
Year: 2016
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: Notions of simulation, among other uses, provide a computationally tractable and sound (but not necessarily complete) proof method for language inclusion. They have been comprehensively studied by Lynch and Vaandrager for nondeterministic and timed systems; for Büchi automata the notion of fair simulation has been introduced by Henzinger, Kupferman and Rajamani. We contribute to a generalization of fair simulation in two different directions: one for nondeterministic tree automata previously studied by Bomhard; and the other for probabilistic word automata with finite state spaces, both under the Büchi acceptance condition. The former nondeterministic definition is formulated in terms of systems of fixed-point equations, hence is readily translated to parity games and is then amenable to Jurdziński's algorithm; the latter probabilistic definition bears a strong ranking-function flavor. These two different-looking definitions are derived from one source, namely our coalgebraic modeling of Büchi automata. Based on these coalgebraic observations, we also prove their soundness: a simulation indeed witnesses language inclusion.
Wireless Network Coding via Modified 802.11 MAC/PHY: Design and Implementation on SDR
Creators: name: Firooz, Mohammad H.
name: Chen, Zhiyong
name: Roy, Sumit
name: Liu, Hui
Publisher: name: arXiv
Year: 2012
Subjects: subject: Information Theory (cs.IT)
subject: Networking and Internet Architecture (cs.NI)
subject: Performance (cs.PF)
subject: FOS: Computer and information sciences

description: Network coding (NC), in principle, is a Layer-3 innovation that improves network throughput in wired networks for multicast/broadcast scenarios. Due to the fundamental differences between wired and wireless networks, extending NC to wireless networks generates several new and significant practical challenges. Two-way information exchange (both symmetric and asymmetric). Network coding (NC), in principle, is a Layer-3 innovation that improves network throughput in wired networks for multicast/broadcast scenarios. Due to the fundamental differences between wired and wireless networks, extending NC to wireless networks generates several new and significant practical challenges. Two-way information exchange (both symmetric and asymmetric) between a pair of 802.11 sources/sinks using an intermediate relay node is a canonical scenario for evaluating the effectiveness of Wireless Network Coding (WNC) in a practical setting. Our primary objective in this work is to suggest pragmatic and novel modifications at the MAC and PHY layers of the 802.11 protocol stack on a Software Radio (SORA) platform to support WNC and obtain achievable throughput estimates via lab-scale experiments. Our results show that network coding (at the MAC or PHY layer) increases system throughput-typically by 20-30%%.
Neues zu Kamen-Westick – Forschungen zu Metallfunden und zur Importkeramik
Creators: name: Könemann, Patrick
name: Fahr, Robert
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)
Cayley transform and the Kronecker product of Hermitian matrices
Creators: name: Hardy, Yorick
name: Fošner, Ajda
name: Steeb, Willi-Hans
Publisher: name: arXiv
Year: 2013
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 15A69, 15B57

description: We consider the conditions under which the Cayley transform of the Kronecker product of two Hermitian matrices can be again presented as a Kronecker product of two matrices and, if so, if it is a product of the Cayley transforms of the two Hermitian matrices. We also study the related question: given two matrices, which matrix under the Cayley transform yields the Kronecker product of their Cayley transforms.
title: Identification of Bridges with Fracture-Prone Details
Creators: name: Hopwood, Theodore, II
name: Younce, Rick
name: Palle, Sudhir
Publisher: name: Kentucky Transportation Center, University of Kentucky
Year: 2019

description: Welded steel girder bridges can contain details that can high welding and service stresses and are termed constraintinduced fractures (CIF). The Kentucky Transportation Cabinet has steel bridges with weld details known to cause CIFs whose girders have experienced fracture events. The Cabinet’s bridge inventory was reviewed and additional candidate bridges with potential CIF details were identified. A review of bridge plans and pictures along with followup field investigations pinpointed bridges with CIF details that warrant up-close (i.e., arm’s length) inspections. Several uninspected bridges were identified as candidates for inspection to determine if they contain CIF details. Guidance is provided to help the Cabinet prioritize bridge inspections for CIF details and on repair actions for mitigating potentially problematic ones.
description: Copyright:
© 2020 University of Kentucky, Kentucky Transportation Center
title: Reduction of Tubes Diameter by the Die and Mandrel in Simulation Software
Creators: name: Šuťák, Dušan
name: Hatala, Michal
name: Dilýová, Michaela
name: Botko, František
name: Poklemba, Robert
Publisher: name: TEM Journal
Year: 2020

description: The paper deals with the area of problems and solutions of cold drawing of a tube. This process is simulated with the help of Deform 3D software. The introduction includes solvability of the current state of affairs. The chapter material and methods consist of characteristics of the current state of production, preparation of pipes before drawing and design of the used material. The following chapter describes the tools that are commonly used during the drawing process. The results section shows the final simulation of deformation tube and the resulting analysis. The conclusion briefly characterizes the final objective of the contribution, the usability of these tubes and the overall application in various sectors.
Reply to Comment by S. Friedemann et al. on "Zeeman-Driven Lifshitz Transition: A Model for the Experimentally Observed Fermi-Surface Reconstruction in YbRh2Si2"
Creators: name: Hackl, Andreas
name: Vojta, Matthias
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A reply to the comment by S. Friedemann et al. [arXiv:1207.0536] on our article [Phys. Rev. Lett. 106, 137002 (2011), arXiv:1012.0303].
description: 2 pages, 1 fig
Vermessung von zwei hochmittelalterlichen Landesburgen der Reichsabtei Corvey
Creators: name: Koch, Michael
name: König, Andreas
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)
A Few Notes on Formal Balls
Creators: name: Goubault-Larrecq, Jean
name: Ng, Kok Min
Publisher: name: arXiv
Year: 2016
Subjects: subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 54E99

description: Using the notion of formal ball, we present a few new results in the theory of quasi-metric spaces. With no specific order: every continuous Yoneda-complete quasi-metric space is sober and convergence Choquet-complete hence Baire in its $d$-Scott topology; for standard quasi-metric spaces, algebraicity is equivalent to having enough center points; on a standard quasi-metric space, every lower semicontinuous $\bar{\mathbb{R}}_+$-valued function is the supremum of a chain of Lipschitz Yoneda-continuous maps; the continuous Yoneda-complete quasi-metric spaces are exactly the retracts of algebraic Yoneda-complete quasi-metric spaces; every continuous Yoneda-complete quasi-metric space has a so-called quasi-ideal model, generalizing a construction due to K. Martin. The point is that all those results reduce to domain-theoretic constructions on posets of formal balls.
title: A Custom-based Crossover Technique in Genetic Algorithm for Course Scheduling Problem
Creators: name: Harry Saptarini, Ni Gusti Ayu
name: Ciptayani, Putu Indah
name: Irawan Purnama, Ida Bagus
Publisher: name: TEM Journal
Year: 2020

description: Genetic algorithm is widely used in scheduling, which crossover is one of the important operators. This paper aims to propose a custom crossover technique in genetic algorithm to solve the course scheduling problem. This technique proposes only one offspring on each crossover by choosing the best gene from each parent. The result shows that the proposed technique can be applied to solve the scheduling problem which is better compared to the one-point and two-point crossover with the best fitness value 0.0049. Its best fitness after the convergence state is more stable than two other techniques.
The quotients between the (revised) Szeged index and Wiener index of graphs
Creators: name: Zhang, Huihui
name: Chen, Jing
name: Li, Shuchao
Publisher: name: arXiv
Year: 2016
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05C69, 05C05

description: Let $Sz(G),Sz^*(G)$ and $W(G)$ be the Szeged index, revised Szeged index and Wiener index of a graph $G.$ In this paper, the graphs with the fourth, fifth, sixth and seventh largest Wiener indices among all unicyclic graphs of order $n\geqslant 10$ are characterized; as well the graphs with the first, second, third, and fourth largest Wiener indices among all bicyclic graphs are identified. Based on these results, further relation on the quotients between the (revised) Szeged index and the Wiener index are studied. Sharp lower bound on $Sz(G)/W(G)$ is determined for all connected graphs each of which contains at least one non-complete block. As well the connected graph with the second smallest value on $Sz^*(G)/W(G)$ is identified for $G$ containing at least one cycle.
description: 25 pages, 5 figures
Additional file 1 of Assessing self-reported core competencies of public health practitioners in Lebanon using the WHO-ASPHER validated scale: a pilot study
Creators: name: Iskandar, Katia
name: Haddad, Chadia
name: Hajj, Aline
name: Sacre, Hala
name: Zeenny, Rony M.
name: Akel, Marwan
name: Salameh, Pascale
Publisher: name: figshare
Year: 2023
Subjects: Medicine
Developmental Biology
Cancer
Science Policy

description: Additional file 1.
Auf den Spuren des verschollenen Klosters Bubenkirchen bei Bad Berleburg
Creators: name: Wahl, Andreas
name: Homrighausen, Bernd
name: Buthmann, Norbert
name: Pfnorr, Sebastian
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)
On almost hypohamiltonian graphs
Creators: name: Goedgebeur, Jan
name: Zamfirescu, Carol T.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Combinatorics (math.CO)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: A graph $G$ is almost hypohamiltonian (a.h.) if $G$ is non-hamiltonian, there exists a vertex $w$ in $G$ such that $G - w$ is non-hamiltonian, and $G - v$ is hamiltonian for every vertex $v \ne w$ in $G$. The second author asked in [J. Graph Theory 79 (2015) 63--81] for all orders for which a.h. graphs exist. Here we solve this problem. To this end, we present a specialised algorithm which generates complete sets of a.h. graphs for various orders. Furthermore, we show that the smallest cubic a.h. graphs have order 26. We provide a lower bound for the order of the smallest planar a.h. graph and improve the upper bound for the order of the smallest planar a.h. graph containing a cubic vertex. We also determine the smallest planar a.h. graphs of girth 5, both in the general and cubic case. Finally, we extend a result of Steffen on snarks and improve two bounds on longest paths and longest cycles in polyhedral graphs due to Jooyandeh, McKay, {Ö}stergård, Pettersson, and the second author.
description: 18 pages. arXiv admin note: text overlap with arXiv:1602.07171
Luftbildarchäologie in Westfalen – methodische Erfahrungen im Jahr 2015
Creators: name: Song, Baoquan
Publisher: name: Archäologie in Westfalen-Lippe
Year: 2017

description: -
description: Archäologie in Westfalen-Lippe, ARCHÄOLOGIE IN WESTFALEN-LIPPE 2015 (2016)