cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Morphological and anatomical observation during the formation of bulbils in Lilium lancifolium
Creators: name: Yang, Pan-pan
name: Xu, Lei-feng
name: Xu, Hua
name: He, Guo-ren
name: Feng, Ya-yan
name: Cao, Yu-wei
name: Tang, Yu-chao
name: Yuan, Su-xia
name: Ming, Jun
Publisher: name: Taylor & Francis
Year: 2018
Subjects: Biophysics
Cell Biology
Molecular Biology
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Developmental Biology
Cancer

description: Aerial bulbil, other than axillary branch and tendril, is a special propagative organ in Lilium lancifolium, but the development events occurring during bulbil formation of L. lancifolium have not been reported. In this study, we observed the changes of morphology and anatomical structure during the process of bulbil formation in L. lancifolium. The results indicated that bulbils of L. lancifolium formed in the joint region of leaf and stem and were derived from the division and differentiation of axillary meristem cells. Bulbils first generated on a certain leaf axil in the upper portion of stem, and then formed upward along the upper stem. The present study provides histological information for further studying the mechanism of bulbil formation.
Software Licensing: Pay-Per-Use versus Perpetual
Creators: name: Jiang, Bao-Jun
name: Chen, Pei-Yu
name: Tridas Mukhopadhyay
Publisher: name: Carnegie Mellon University
Year: 2001
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: Piracy has been a major problem for perpetually licensed software. Usage-based licensing architecture such as pay-per-use or software-as-a-service can offer technology-based protection against piracy. We provide an analytical framework to examine the economic implications of pay-per-use versus perpetual licensing in a market with potential piracy, network effect, and heterogeneous consumers in terms of marginal usage benefit and acquisition costs for pirated software. We show that the potential piracy rate, the user inconvenience cost of pay-per-use licensing, consumer heterogeneity, and the network strength are important factors determining a vendor’s optimal choice of licensing architecture. While perpetual licensing tends to be optimal when consumers have homogeneous valuations, pay-per-use is more profitable than perpetual licensing or mixed licensing in markets with heterogeneous consumers and low user inconvenience costs. If the inconvenience cost is low enough, pay-per-use will be more profitable than perpetual licensing even if the market has no potential piracy. The presence of network effect also favors pay-per-use over perpetual licensing; if the network effect is strong, pay-per-use will always dominate perpetual licensing regardless of the inconvenience cost or the potential piracy. With more heterogeneous consumers, higher potential piracy, lower inconvenience costs, and stronger network effects, pay-per-use licensing yields not only higher vendor profits but also a higher social surplus than perpetual licensing. Important managerial implications are also discussed.
Nernst-like Effect in a Flexible Chain
Creators: name: Tamaki, Shuji
name: Saito, Keiji
Publisher: name: arXiv
Year: 2018
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate heat transport via a charged flexible chain in the presence of magnetic fields. We focus on the Nernst-like effect, where the average positions of particles deviate in the perpendicular direction to the heat flow. This phenomenon is induced by the nonlinear dynamics as well as nonequilibrium state. We develop a linear response formalism to derive a thermodynamic force which induces the Nernst-like effect, and show that the phenomenon is quantitatively explained. We also discuss the inverse effect, where an external ac-driving force induces finite net heat current in the homogeneous system attached to heat baths with the same temperature.
description: 13 pages, 12 figures
Local near-Beltrami structure and depletion of the nonlinearity in the 3D Navier-Stokes flows
Creators: name: Farhat, Aseel
name: Grujic, Zoran
Publisher: name: arXiv
Year: 2018
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: Computational simulations of turbulent flows indicate that the regions of low dissipation/enstrophy production feature high degree of local alignment between the velocity and the vorticty, i.e., the flow is locally near-Beltrami. Hence one could envision a geometric scenario in which the persistence of the local near-Beltramy property might be consistent with a (possible) finite-time singularity formation. The goal of this note is to show that this scenario is in fact prohibited if the sine of the angle between the velocity and the vorticty is small enough with respect to the local enstrophy.
description: final version; to appear in JNLS
Socialist Economic Transformation: A Critique and Suggestion
Creators: name: Meltzer, Allan
Publisher: name: Carnegie Mellon University
Year: 2013
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: Stanley Fischer and Alan Gelb (1991) consider the steps that a socialist command economy should take during the transition to a market economy. They recognize that differences in initial conditions, political considerations and the absence of a validated, dynamic model force economists to fall back on judgment and hunch. Nevertheless, they offer suggestions about a very difficult problem -- how to order the reform process. Their paper is a welcome start on a complex set of issues. To further the discussion, I will criticize one of their main conclusions and offer a modest proposal to structure analysis of the sequencing of reform that is testable, at least in principle
Social Capital and Growth
Creators: name: Routledge, Bryan R
name: Amsberg, Joachim Von
Publisher: name: Carnegie Mellon University
Year: 1967
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: We define and characterize social capital in a simple growth model. We capture social capital in a model where individuals in a community maximize their lifetime gains to trade. Each trade between two members of a community has the structure of the prisoners’ dilemma. Trades are repeated indefinitely, but not necessarily each period. Social capital is defined as the social structure which facilitates cooperative trade as an equilibrium. The trading model is incorporated into a growth model to explore the connections between growth, labor mobility, and social capital. The key assumption is that technological innovation, which drives growth, involves a reallocation of labor that affects social capital. Modifying the responsiveness of labor to a technological shock, has implications for both labor efficiency and social capital.
A Separation Logic for Concurrent Randomized Programs
Creators: name: Tassarotti, Joseph
name: Harper, Robert
Publisher: name: arXiv
Year: 2018
Subjects: subject: Programming Languages (cs.PL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: We present Polaris, a concurrent separation logic with support for probabilistic reasoning. As part of our logic, we extend the idea of coupling, which underlies recent work on probabilistic relational logics, to the setting of programs with both probabilistic and non-deterministic choice. To demonstrate Polaris, we verify a variant of a randomized concurrent counter algorithm and a two-level concurrent skip list. All of our results have been mechanized in Coq.
description: 31 pages. Extended version of POPL 2019 paper
Small Covering Designs by Branch-and-Cut
Creators: name: Francois Margot
Publisher: name: Carnegie Mellon University
Year: 1990
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: A Branch-and-Cut algorithm for finding covering designs is presented. Its originality resides in the use of isomorphism pruning of the enumeration tree. A proof that no 4-(10, 5, 1)-covering design with less than 51 sets exists is obtained together with all non isomorphic 4-(10, 5, 1)-covering designs with 51 sets
Small Binary Voting Trees
Creators: name: Trick, Michael
Publisher: name: Carnegie Mellon University
Year: 2009
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: Sophisticated voting on a binary tree is a common form of voting structure, as exemplified by, for example, amendment procedures. The problem of characterizing voting rules that can be the outcome of this procedure has been a longstanding problem in social choice. We explore rules over a small number of candidates, and discuss existence and nonexistence properties of rules implementable over trees.
On semi-classical pion production in heavy ion collisions
Creators: name: Blaizot, Jean-Paul
name: Diakonov, Dmitri
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In high energy heavy ion collisions the pion multiplicity is large, and one might expect that pions are radiated semi-classically. The axial symmetry of the collision and approximately zero isotopic spin of the colliding nuclei result then in peculiar isotopic spin -- azimuth correlations of the produced pions. These correlations are easy to test -- and should be tested.
description: Saclay-T93/062
title: Von Hilfe zu Protest
title: Die Entstehung von sozialem Veränderungswillen in der Unterstützungsarbeit mit Menschen im Asylsystem
titleType: AlternativeTitle
Creators: name: Edling, Paula
Publisher: name: Universität Osnabrück
Year: 2024
Subjects: subject: Protest
subject: James Jasper
subject: ziviles Engagement
subject: Menschen im Asylsystem
subject: qualitative Interviews
subject: 320 - Politik
subject: 300 - Sozialwissenschaften, Soziologie, Anthropologie

description: Das Working Paper widmet sich dem mehrheitsgesellschaftlichen Engagement für Menschen im Asylsystem, welches sich im Zuge der sogenannten ‚Willkommenskultur‘ 2015 unter neutralen und unpolitischen Vorzeichen einer humanitären Krisenbewältigung entfaltete, unmittelbar darauf jedoch zu einem politisch umkämpften Feld wurde. Über die Auswirkungen der kontinuierlichen Diskursverschiebung nach rechts hinaus entbrannte Anfang 2022 angesichts der Fluchtbewegungen aus der Ukraine auch innerhalb der Unterstützungsstrukturen eine Debatte über die (Un-)Gleichbehandlung von geflüchteten Menschen. Vor dem Hintergrund dieser gesellschaftlichen Entwicklungen sowie den individuellen Erfahrungen von Engagierten untersucht das Working Paper daher die Entstehung von sozialem und politischem Veränderungswillen im ursprünglich ‚humanitär‘ gerahmten Engagement. Die Basis dafür bietet eine qualitative fotogestützte Interviewforschung mit zehn Engagierten aus einer mittelgroßen westdeutschen Stadt, die sich größtenteils seit 2015 bis zum Erhebungszeitraum 2022 auf unterschiedliche Art für Menschen im Asylsystem einsetzten. Mithilfe der Protestbewegungstheorie nach James M. Jasper kann gezeigt werden, dass einige der Befragten über die Zeit ihres Engagements zunehmend kritische Perspektiven auf die Funktionsweisen und Implikationen des staatlichen Asylsystems entwickelten, die teilweise in individuellen sowie kollektiven Strategien mündeten, um diese zu verändern oder zu umgehen. Dabei streben die Engagierten jedoch primär Veränderungen innerhalb des bestehenden Asylsystems an, während dezidiert systemkritische Auseinandersetzungen lediglich vereinzelt vorkommen.
Analogue event horizons in dielectric medium
Creators: name: Singh, Vyome
Publisher: name: University of St Andrews
Year: 2021
Subjects: subject: Black holes
subject: Scattering matrix
subject: S-matrix
subject: Analogue
subject: Event horizon
subject: Numerical methods
subject: Quantum optics
subject: Photonics
subject: Light scattering
subject: Discretization
subject: QC585.7O6S5
subject: Dielectrics--Optical properties
subject: S-matrix theory

description: In this thesis I numerically study an optical pulse travelling in a dielectric medium as an analogue event horizon. A novel numerical method is developed to study the scattering properties of this optical system. Numerical solutions of scattering problems often exhibit instabilities. The staircase approximation, in addition, can cause slow convergence. We present a differential equation for the scattering matrix which solves both of these problems. The new algorithm inherits the numerical stability of the S matrix algorithm and converges faster for a smoothly varying potential than the S matrix algorithm with the staircase approximation. We apply our equation to solve a 1D stationary scattering of plane waves from a non-periodic smoothly varying pulse/scatterer travelling with a constant velocity in a lossless medium. The properties of stability and the convergence of the Riccati matrix equation are demonstrated. Furthermore, we include a relative velocity between the scatterer and the wave medium to generalise the algorithm further where the number of right and left going modes are not equal. The algorithm is applicable for stationary scattering process from arbitrarily shaped smooth scatterers, periodic or non-periodic, even when the scatterer is varying at the scale of wavelengths. This method is used to present numerical results for a sub-femtoseconds optical pulse travelling in bulk silica. We calculate the analogue hawking radiation from the analogue system. The temperature of the hawking radiation is studied systematically with many different profiles of pulses. We find out steepness, intensity and duration of the pulse are most important in producing analogue hawking radiation in these systems. A better numerical and theoretical understanding will make the experiments better suited to detect hawking radiation.
Andrzej Pekalski networks of scientific interests with internal degrees of freedom through self-citation analysis
Creators: name: Ausloos, M.
name: Lambiotte, R.
name: Scharnhorst, A.
name: Hellsten, I.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Physics and Society (physics.soc-ph)
subject: History and Philosophy of Physics (physics.hist-ph)
subject: FOS: Physical sciences

description: Old and recent theoretical works by Andrzej Pekalski (APE) are recalled as possible sources of interest for describing network formation and clustering in complex (scientific) communities, through self-organisation and percolation processes. Emphasis is placed on APE self-citation network over four decades. The method is that used for detecting scientists field mobility by focusing on author's self-citation, co-authorships and article topics networks as in [1,2]. It is shown that APE's self-citation patterns reveal important information on APE interest for research topics over time as well as APE engagement on different scientific topics and in different networks of collaboration. Its interesting complexity results from "degrees of freedom" and external fields leading to so called internal shock resistance. It is found that APE network of scientific interests belongs to independent clusters and occurs through rare or drastic events as in irreversible "preferential attachment processes", similar to those found in usual mechanics and thermodynamics phase transitions.
description: 7 pages, 1 table, 44 references, submitted to Int J Mod Phys C
Neural network decoder for topological color codes with circuit level noise
Creators: name: Baireuther, P.
name: Caio, M. D.
name: Criger, B.
name: Beenakker, C. W. J.
name: O'Brien, T. E.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: A quantum computer needs the assistance of a classical algorithm to detect and identify errors that affect encoded quantum information. At this interface of classical and quantum computing the technique of machine learning has appeared as a way to tailor such an algorithm to the specific error processes of an experiment --- without the need for a priori knowledge of the error model. Here, we apply this technique to topological color codes. We demonstrate that a recurrent neural network with long short-term memory cells can be trained to reduce the error rate $ε_{\rm L}$ of the encoded logical qubit to values much below the error rate $ε_{\rm phys}$ of the physical qubits --- fitting the expected power law scaling $ε_{\rm L} \propto ε_{\rm phys}^{(d+1)/2}$, with $d$ the code distance. The neural network incorporates the information from "flag qubits" to avoid reduction in the effective code distance caused by the circuit. As a test, we apply the neural network decoder to a density-matrix based simulation of a superconducting quantum computer, demonstrating that the logical qubit has a longer life-time than the constituting physical qubits with near-term experimental parameters.
description: 10 pages, 9 figures; V2: updated text and figures
Confidence Intervals in General Regression Models that Utilize Uncertain Prior Information
Creators: name: Kapuruge, Nishika
Publisher: name: La Trobe
Year: 2021
Subjects: subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: A thesis submitted in total fulfilment of the requirements for the degree of Doctor of Philosophy to the School of Engineering and Mathematical Sciences, College of Science, Health and Engineering, La Trobe University, Victoria, Australia.
Evaluation of two-photon polarization density matrix of polarization-entangled photon-pairs generated through biexciton resonant hyper-parametric scattering
Creators: name: Yamamoto, Yasuo
name: Oohata, Goro
name: Mizoguchi, Kohji
Publisher: name: arXiv
Year: 2018
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have investigated the excitation-power dependence of polarization-entangled photon-pairs generated from a CuCl single crystal using biexciton resonant hyper-parametric scattering. The measured two-photon polarization density matrix which corresponds to the two-photon polarization state changes with increasing the excitation power. The evaluation of the tangle and the linear entropy obtained from the measured density matrix indicates that the two-photon polarization density matrix can be expressed as the mixed state of an ideal state and a totally mixed state, and the mixture ratio of the totally mixed state increases as the excitation density increases. The variations of the density matrix and the mixture ratio with the excitation power originate from the generation of the multiple photon pairs.
title: Solving multiple sequence alignment using deep reinforcement learning
title: Επίλυση ευθυγράμμισης πολλαπλών ακολουθιών χρησιμοποιώντας βαθιά ενισχυτική μάθηση
titleType: AlternativeTitle
Creators: name: Κοτζιά, Ειρήνη
Publisher: name: Πανεπιστήμιο Δυτικής Αττικής
Year: 2024
Subjects: subject: Reinforcement learning
subject: Multiple sequence alignment
subject: Bioinformatics
subject: FOS: Computer and information sciences
subject: Deep learning
subject: Gumbel AlphaZero
subject: Transformers
subject: NLP
subject: Ενισχυτική μάθηση
subject: Βιοπληροφορική
subject: Επεξεργασία φυσικής γλώσσας
subject: Βαθιά μάθηση
subject: Μετασχηματιστές
subject: Ευθυγράμμιση πολλαπλών ακολουθιών

description: Multiple Sequence Alignment (MSA) is a fundamental task in Bioinformatics, essential for understanding evolutionary relationships, genetic adaptations, drug design, and other applications. In general, MSA is a Nondeterministic Polynomially complete problem with many heuristic solvers approaching over the years. Machine Learning (ML) can handle combinatorial optimization problems by learning models that generalize in various instances. Recent years have witnessed a surge of interest in applying Deep Reinforcement Learning (DRL) techniques for training agents to approach MSAs. In this work, we introduce IntellAlign, a novel methodology for aligning sequences using DRL for training and Natural Language Processing (NLP) approach. We build strong policies with only a few simulations, no previous knowledge, and self-play using the Gumbel AlphaZero algorithm. Our goal is maximizing a multi-objective reward based on well-known MSA quality metrics. We also propose attention-based networks for encoding MSAs. We contribute by achieving full flexibility of the sequence shape and by allowing the agent with a stop move to finish the alignment. We utilize the Glimpse-Pointer Network for pointing a series of positions sequentially to add a gap in the MSA. Finally, we utilize positional encodings for passing the sequence structural information to the network. Our algorithm is compared with three well-established aligners (Clustal Omega, MAFFT, and MUSCLE) on DNA MSAs. The results are promising, showing that IntellAlign outperforms MAFFT and MUSCLE tools. Moreover, it tends to score close to the Clustal Omega tool.
The infrared limit of QCD effective string
Creators: name: Gliozzi, F.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: Some model-independent properties of the effective string of gauge field systems in the confining phase , for very large quark separations, are described in terms of two-dimensional conformal field theories. The constraints induced by the gauge theory at the boundaries of the effective string induce a Coulomb- like term in the interquark potential which is universal, but different from the one proposed by Lüscher. Some universal relations among the string tension, the thickness of the colour flux tube, the location of the deconfining temperature and a lower bound of the glueball spectrum are discussed. (Lectures given at the XXXII Cracow School of Theoretical Physics, Zakopane, Poland 2-12 June 1992)
description: 24 pages (latex), DFTT- 45/92
Hadronic $W$ production and the Gottfried Sum Rule
Creators: name: Doncheski, M. A.
name: Halzen, F.
name: Kim, C. S.
name: Stong, M. L.
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The difference in production rate between $W^+$ and $W^-$ at hadron colliders is very sensitive to the the difference between up- and down-quark distributions in the proton. This sensitivity allows for a variety of useful measurements. We consider the difference $d_s(x,Q^2) - u_s(x,Q^2)$ in the sea distributions and the difference $Δu(x,Q^2) - Δd(x,Q^2)$ in the polarized parton distribution functions. In both cases we construct an asymmetry to reduce systematic uncertainties. Although we discuss measurements at the Tevatron and future hadron colliders, we find that the Brookhaven Relativistic Heavy Ion Collider (RHIC) is the most appropriate hadron collider for these measurements.
description: 19 pages (20 figures available from the authors), MAD/PH/744
From Historical Maps to Remote Sensing: Reconstructing Land Use Changes on Norfolk Island over the Past 250 Years
Creators: name: Levin, Noam
name: Kark, Salit
Publisher: name: Taylor & Francis
Year: 2023
Subjects: classificationCode: 59999
subject: Environmental Sciences not elsewhere classified
classificationCode: 39999
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
classificationCode: 20199
subject: Astronomical and Space Sciences not elsewhere classified
classificationCode: 69999
subject: Biological Sciences not elsewhere classified
classificationCode: 80699
subject: Information Systems not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
classificationCode: 110309
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: This paper aims to quantify land cover and vegetation changes over the past 250 years on Norfolk Island, Australia, a remote island important for its cultural heritage and biodiversity. We collated over 130 historical maps and aerial photos from various archives, of which we georeferenced 80. Supervised classification and manual digitization were used to extract detailed land cover information on vegetation cover from 10 historical maps and datasets. While the classification and symbology used to represent vegetation on the different maps varied over time, we were able to track changes in vegetation cover on the island. We found that after the first (colonial) settlement, non-agricultural vegetation cover was at its lowest during the 1940s, and has since then expanded. We found high constancy of land cover patterns on the island since 1840 onwards. Historical maps thus provide an understanding of the dynamics that shape the present landscape.
Skill Specialization and the Formation of Collaboration Networks
Creators: name: Anderson, Katharine
Publisher: name: Carnegie Mellon University
Year: 1970
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: In recent years, there has been increased interest among funding organizations and administrators in supporting the acquisition of interdisciplinary skills in collaborative communities, such as universities, national labs, and knowledge-based firms. However, there has been relatively little work exploring the effects of interdisciplinarity on the structure and function of these communities. In this paper, I use a collaboration network–in which the nodes are individuals, and two nodes are connected if they’ve collaborated on a problem–to formalize the structure of collaborative relationships. Using a formal model of the collaborative process, I examine the effects of increased interdisciplinarity on the structure of this collaboration network. I show that when collaborative communities become more interdisciplinary, the links in the network become more concentrated among a few, high-degree individuals, and superstars emerge. These individuals, who are so productive that their contributions dominate the overall community, are a potential unintended consequence of policies intended to increase interdisciplinarity. I then define a specialist to be an individual whose skills cluster in a single area, and a generalist to be an individual whose skills span several areas, and I examine the roles that specialists and generalist play in the network. I show that while specialists have more links in the collaboration network, generalists are more likely to bridge between different communities. Given that individuals in these communities tend to benefit from being highly connected, while the community as a whole benefits from bridging activities, this result suggests that generalists may be undersupplied, which lends support to policies that fund the acquisition of interdisciplinary skills in situations where bridging activities are valued by the community at large but are not individually rational.
ผลของโปรแกรมการสร้างเสริมความรอบรู้ดา้ นเอชไอวี เพื่อส่งเสริมพฤติกรรม การอยู่ร่วมกัน โดยไม่รังเกียจในกลุ่มอาสาสมัครสาธารณสุขประจำหมู่บ้าน
Creators: name: ภรกต สูฝน
Publisher: name: Division of AIDS&STIs
Year: 2020
Subjects: ความรอบรู้ด้านเอชไอวี
พฤติกรรมการอยู่ร่วมกันโดยไม่รังเกียจ
การตีตราและการเลือกปฏิบัติ
อาสาสมัครสาธารณสุขประจำหมู่บ้าน

description: Thai AIDS Journal, 32, 1, 1-14
From Historical Maps to Remote Sensing: Reconstructing Land Use Changes on Norfolk Island over the Past 250 Years
Creators: name: Levin, Noam
name: Kark, Salit
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Astronomical and Space Sciences not elsewhere classified
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: This paper aims to quantify land cover and vegetation changes over the past 250 years on Norfolk Island, Australia, a remote island important for its cultural heritage and biodiversity. We collated over 130 historical maps and aerial photos from various archives, of which we georeferenced 80. Supervised classification and manual digitization were used to extract detailed land cover information on vegetation cover from 10 historical maps and datasets. While the classification and symbology used to represent vegetation on the different maps varied over time, we were able to track changes in vegetation cover on the island. We found that after the first (colonial) settlement, non-agricultural vegetation cover was at its lowest during the 1940s, and has since then expanded. We found high constancy of land cover patterns on the island since 1840 onwards. Historical maps thus provide an understanding of the dynamics that shape the present landscape.
Absence of fermionic quasi-particles in the superfluid state of the attractive Fermi gas
Creators: name: Lerch, Nils
name: Bartosch, Lorenz
name: Kopietz, Peter
Publisher: name: arXiv
Year: 2007
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We calculate the effect of order parameter fluctuations on the fermionic single-particle excitations in the superfluid state of neutral fermions interacting with short range attractive forces. We show that in dimensions D \leq 3 the singular effective interaction between the fermions mediated by the gapless Bogoliubov-Anderson mode prohibits the existence of well-defined quasi-particles. We explicitly calculate the single-particle spectral function in the BEC regime in D=3 and show that in this case the quasi-particle residue and the density of states are logarithmically suppressed.
description: 4 RevTex pages, 3 figures; title changed, new Figure 1, added references. We argue that in the entire regime of the BCS-BEC crossover the quasi-particle picture breaks down in D <=3 for neutral fermions (but NOT for charged fermions)
title: ADCO, Sixième cartulaire de Saint-Étienne de Dijon (1662), Cart. 30 (G 133), 441 folios, f. 703
Creators: name: de la Côte d'Or, Archives départementales
name: Petot, Frédéric
name: CG21/F.PETOT/2012
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi

description: Sixième cartulaire de Saint-Étienne de Dijon (1662), Archives départementales de la Côte-d'Or, Cart. 30 (G 133), 441 folios, f. 703, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Sixième cartulaire de Saint-Étienne de Dijon (1662), Archives départementales de la Côte-d'Or, Cart. 30 (G 133), 441 folios, f. 703, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: abbaye Saint-Étienne de Dijon
description: Provenance: http://www.wikidata.org/entity/Q15945019
Orbit closures of directing modules are regular in codimension one
Creators: name: Bobinski, Grzegorz
Publisher: name: arXiv
Year: 2007
Subjects: subject: Representation Theory (math.RT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 16G20, 14B05, 14L30

description: We show that the orbit closure of a directing module is regular in codimension one. In particular, this result gives information about a distinguished irreducible component of a module variety.
A unified model for nucleosynthesis of heavy elements in stars
Creators: name: Kiss, Miklós
name: Trócsányi, Zoltán
Publisher: name: arXiv
Year: 2017
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We propose a unified model for the nucleosynthesis of heavy (A > 57) elements in stars. The neutron flux can be set to describe neutron capture in arbitrary neutron flux. Our approach solves the coupled differential equations, that describe the neutron capture and decays of 2696 nuclei, numerically without truncating those to include only either capture or decay as traditionally assumed in weak neutron flux (s process). As a result the synthesis of heavy nuclei always evolves along a wide band in the valley of stable nuclei. The observed abundances in the Solar system are reproduced reasonably already in the simplest version of the model. The model predicts that the nucleosynthesis in weak or modest neutron flux produces elements that are traditionally assumed to result in the high neutron flux of supernovae explosions (r process).
description: 4 pages 2 figures
Founding Females: Using U.S. Success to Inform Korean Discourse in Empowering Women in Entrepreneurship
Creators: name: Colbath, Brittney
Publisher: name: The University of Texas at Austin
Year: 2021
Subjects: Entrepreneurship
female
women
business
Korea

description: As per many international organizations like the IMF and OEC, the United States and Korea boast some of the freest economies and democratic societies of any other nations. Further, both countries excel greatly in their total number of people in entrepreneurship. However, in terms of the number of women in entrepreneurship, Korea seriously lags behind the U.S. on almost every major entrepreneurial index. What areas make the U.S. a better place for women in entrepreneurship to thrive and how can Korea implement these to better it's standings? This is the main question this paper seeks to answer. First, I will provide understanding of the importance of women in entrepreneurship and detail entrepreneurial ecosystems in Korea and the U.S. Then, I will review existing literature to provide current explanations for Korea’s low women in entrepreneurship rankings and define research questions about missing indicators. Next, I will research what indicators on reputable entrepreneurial indexes are most successful in the U.S. and least successful in Korea as well as researching educational retention and enrollment in each country through global databases. Finally, I will discuss findings and present three recommendations for Korean discourse based on U.S. areas of excellence for supporting women in entrepreneurship.
การพัฒนารูปแบบการดูแลผู้ติดเชื้อเอชไอวี โรงพยาบาลเจริญศิลป์
Creators: name: สัจพงษ์ โชคคติวัฒน์
Publisher: name: Division of AIDS&STIs
Year: 2020
Subjects: การพัฒนารูปแบบการดูแล
ผู้ติดเชื้อเอชไอวี
การเข้าถึงการรับบริการ

description: Thai AIDS Journal, 32, 1, 15-27
Renormalization Group Analysis of Finite-Size Scaling in the $Φ^4_4$ Model
Creators: name: Kenna, R.
name: Lang, C. B.
Publisher: name: arXiv
Year: 1992
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: A finite-size scaling theory for the $ϕ^4_4$ model is derived using renormalization group methods. Particular attention is paid to the partition function zeroes, in terms of which all thermodynamic observables can be expressed. While the leading scaling behaviour is identical to that of mean field theory, there exist multiplicative logarithmic corrections too. A non-perturbative test of these formulae in the form of a high precision Monte Carlo analysis reveals good quantitative agreement with the analytical predictions.
description: 25 p + 3 PS-figures, UNIGRAZ-UTP-07-10-92 (Revision 08-10-92: only PS-figures, which originally had too long lines exceeding 80 characters)
Gravitational Friedel oscillations in higher-derivative and infinite-derivative gravity?
Creators: name: Boos, Jens
Publisher: name: arXiv
Year: 2018
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Other Condensed Matter (cond-mat.other)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: When a positively charged impurity is placed inside a cold metal, the resulting charge density around that object exhibits characteristic ripples to negative values, known as Friedel oscillations. In this essay, we describe a somewhat analogous effect in (i) linearized higher-derivative gravity and (ii) linearized infinite-derivative "ghost-free" gravity: when a gravitational impurity (point particle) is placed in Minkowski vacuum, the local energy density $ρ\equiv G{}_{μν}ξ^μξ^ν$ (with $ξ=\partial_t$) exhibits oscillations to negative values. The wavelength of these oscillations is roughly given by (i) the Pauli--Villars regularization scale and (ii) the scale of non-locality. We hence dub this phenomenon gravitational Friedel oscillations.
description: 10 pages, 3 figures, matches the published version. Essay received an Honorable Mention in the 2018 Essay Competition of the Gravity Research Foundation
Size, persistence and interrelation of nominal and real shocks: Some evidence from four countries
Creators: name: Meltzer, Allan
Publisher: name: Carnegie Mellon University
Year: 1972
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: One of the major themes in Karl Brunner's work is the comparative size, persistence and interaction of real and monetary impulses. The paper uses a univariate, multi-state Kalman filter to forecast quarterly values of money, prices, output, velocity and exchange rates during the Bretton Woods and post-Bretton Woods monetary regimes and to compute shocks or impulses. Vector autoregression is used to relate the shocks and to compare the two regimes. Several propositions are tested including the Phillips curve, currency substitution, ‘reverse causation’ and the role of monetary impulses as a cause of fluctuations in output and prices.
Single-Facility Scheduling over Long Time Horizons by Logic-Based Benders Decomposition
Creators: name: Coban, Elvin
name: Hooker, John N.
Publisher: name: Carnegie Mellon University
Year: 2013
Subjects: subject: 150399 Business and Management not elsewhere classified
subject: FOS: Economics and business

description: Logic-based Benders decomposition can combine mixed integer programming and constraint programming to solve planning and scheduling problems much faster than either method alone. We find that a similar technique can be beneficial for solving pure scheduling problems as the problem size scales up. We solve single-facility non-preemptive scheduling problems with time windows and long time horizons that are divided into segments separated by shutdown times (such as weekends). The objective is to find feasible solutions, minimize makespan, or minimize total tardiness.
Valley Singularities and Baryon Number Violation
Creators: name: Provero, Paolo
Publisher: name: arXiv
Year: 1993
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider the valley--method computation of the inclusive cross section of baryon number violating processes in the Standard Model. We show that any physically correct model of the valley action should present a singularity in the saddle point valley parameters as functions of the energy of the process. This singularity prevents the saddle point configuration from collapsing into the perturbative vacuum.
description: 6 pages, LaTex, TPI-MINN-93/32-T
การพัฒนาและทวนสอบชุดตรวจหาการติดเชื้อ Chlamydia trachomatis ด้วยวิธี in-house real-time PCR ที่คลินิกโรคติดต่อทางเพศสัมพันธ์
Creators: name: บุศรา บำรุงศักดิ์
Publisher: name: Division of AIDS&STIs
Year: 2020
Subjects: เชื้อคลามัยเดีย ทราโคมาติส
เทคนิคการเพิ่มปริมาณดีเอ็นเอในหลอดทดลอง
วิธีเรียลไทม์พีซีอาร์ที่พัฒนาขึ้นเอง

description: Thai AIDS Journal, 32, 1, 28-41
Exploiting Investors Social Network for Stock Prediction in China's Market
Creators: name: Zhang, Xi
name: Shi, Jiawei
name: Wang, Di
name: Fang, Binxing
Publisher: name: arXiv
Year: 2018
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: General Finance (q-fin.GN)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business

description: Recent works have shown that social media platforms are able to influence the trends of stock price movements. However, existing works have majorly focused on the U.S. stock market and lacked attention to certain emerging countries such as China, where retail investors dominate the market. In this regard, as retail investors are prone to be influenced by news or other social media, psychological and behavioral features extracted from social media platforms are thought to well predict stock price movements in the China's market. Recent advances in the investor social network in China enables the extraction of such features from web-scale data. In this paper, on the basis of tweets from Xueqiu, a popular Chinese Twitter-like social platform specialized for investors, we analyze features with regard to collective sentiment and perception on stock relatedness and predict stock price movements by employing nonlinear models. The features of interest prove to be effective in our experiments.
description: accepted by Journal of Computational Science
title: Ευέλικτη πόλη : εφαρμογή της μεθοδολογίας και της νοοτροπίας «Agile» στην διαχείριση της πόλης
title: Agile city : applying the Agile methodology and mindset to city management
titleType: AlternativeTitle
Creators: name: Καμαρινοπούλου, Πηγή-Σωτηρία
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2024
Subjects: subject: Agile
subject: Agile mindset
subject: Έξυπνη πόλη
subject: Βιωσιμότητα
subject: Ευέλικτη πόλη

description: Η παρούσα έρευνα εξετάζει την εφαρμογή της Μεθόδου και της Νοοτροπίας Agile στη διαχείριση της πόλης. Καλύπτει την ιστορία, τις αρχές και την εξέλιξη της μεθοδολογίας Agile, εστιάζοντας στην ανάπτυξη μιας Ευέλικτης Νοοτροπίας. Επίσης, εξετάζει τις έννοιες της Αστικής Βιωσιμότητας, της Ευέλικτης και Έξυπνης Πόλης, καθώς και τους τομείς εφαρμογής της Agile σε μια πόλη, όπως η τεχνολογία, η εκπαίδευση, η ενέργεια και άλλοι. Η έρευνα εξετάζει την ανάγκη για αλλαγή νοοτροπίας και διαχείρισης προκειμένου να ανταπεξέλθει η πόλη στις αλλαγές του σύγχρονου δυναμικού περιβάλλοντος.
A complex periodic QES potential and exceptional points
Creators: name: Bagchi, B.
name: Quesne, C.
name: Roychoudhury, R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We show that the complex $\cal PT$-symmetric periodic potential $V(x) = - ({\rm i} ξ\sin 2x + N)^2$, where $ξ$ is real and $N$ is a positive integer, is quasi-exactly solvable. For odd values of $N \ge 3$, it may lead to exceptional points depending upon the strength of the coupling parameter $ξ$. The corresponding Schrödinger equation is also shown to go over to the Mathieu equation asymptotically. The limiting value of the exceptional points derived in our scheme is consistent with known branch-point singularities of the Mathieu equation.
description: 9 pages, no figure, published version
Pyrometric Measurement of the Temperature of Shocked Molybdenum
Creators: name: Seifter, Achim
name: Swift, Damian C.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Measurements of the temperature of Mo shocked to ~60 GPa and then released to ~28 GPa were previously attempted using high explosive driven flyer plates and pyrometry. Analysis of the radiance traces at different wavelengths indicates that the temporal evolution of the radiance can be explained by a contribution from the LiF window to the measured thermal radiation. Fitting the radiance traces with a simple model, supported by continuum dynamics studies which were able to relate structures in the radiance history to hydrodynamic events in the experiment, the contribution of the window was obtained and hence the temperature of the Mo sample. The shock-and release temperature obtained in the Mo was 762+/-40K which is consistent with calculations taking the contribution of plastic work to the heating into account. The radiance obtained for the LiF window shows a non thermal distribution which can be described by a bulk temperature of 624+/-112K and hot spots (less than 0.5% in total volume) within the window at a temperature of about 2000K.
title: Μελέτη τεχνολογιών ασφάλειας EDR (Endpoint Detection & Response), EPP (Endpoint Protection Platform) και antivirus
title: A study of EDR (Endpoint Detection & Response), EPP (Endpoint Protection Platform) and antivirus technologies
titleType: AlternativeTitle
Creators: name: Ματάκιας, Εμμανουήλ
Publisher: name: Πανεπιστήμιο Πειραιώς
Year: 2024
Subjects: subject: Σύστηματα ασφαλείας
subject: EDR
subject: EPP
subject: Wazuh
subject: Bluespawn
subject: Anti-virus

description: Τα εργαλεία ανίχνευσης και απόκρισης τελικού σημείου (EDR) παρέχουν ορατότητα σε εξελιγμένες εισβολές ταιριάζοντας τα συμβάντα του συστήματος με γνωστές αντίθετες συμπεριφορές. Ωστόσο, οι τρέχουσες λύσεις υποφέρουν από τρεις προκλήσεις: ● Τα εργαλεία ανίχνευσης και απόκρισης τελικού σημείου (EDR) δημιουργούν μεγάλο όγκο ψευδών συναγερμών, δημιουργώντας συσσωρευμένες εργασίες έρευνας για τους αναλυτές. ● Ο προσδιορισμός της ειλικρίνειας αυτών των ειδοποιήσεων απειλής απαιτεί κουραστική χειρωνακτική εργασία, λόγω του συντριπτικού αριθμού κορμών συστήματος χαμηλού επιπέδου, δημιουργώντας ένα πρόβλημα "βελόνας στ΄άχυρα". ● Εξαιτίας του τεράστιου φόρτου πόρων της διατήρησης αρχείων καταγραφής, στην πράξη τα αρχεία καταγραφής του συστήματος που περιγράφουν μακροχρόνιες εκστρατείες επιθέσεων, συχνά διαγράφονται πριν από την έναρξη μιας έρευνας. Σκοπός αυτής της διατριβής είναι να αναλύσει τα οφέλη που προκύπτουν, από τα διάφορα εργαλεία ανίχνευσης και απόκρισης τελικού σημείου (EDR). Εισάγουμε την έννοια της πλατφόρμας προστασίας τελικών σημείων (EPP), η οποία είναι μια ολοκληρωμένη λύση ασφαλείας που αναπτύσσεται σε συσκευές τελικού σημείου, για προστασία από απειλές. Θα γίνει μια αναφορά στα προγράμματα προστασίας από ιούς, τα Anti-Virus (AV) και στα προγράμματα προστασίας από ιούς επόμενης γενιάς (NGAV). Θα γίνει μια αναφορά ως προς τις απειλές που διατρέχει ένα τελικό σημείο και τι ζημιά μπορεί να κάνουν αυτές στο τελικό σημείο. Θα εστιάσουμε σε μερικά εμπορικά συστήματα ανίχνευσης και απόκρισης τελικού σημείου (EDR), και θα εστιάσουμε σε τι προσφέρουν στο τελικό μας σημείο. Τέτοιες λύσεις είναι το McAfee MVision EDR, το CrowdStrike Falcon Insight και το Microsoft Defender ATP. Θα εξετάσουμε μερικά από τα συστήματα ανίχνευσης και απόκρισης τελικού σημείου (EDR), ανοιχτού κώδικα. Τέτοια συστήματα είναι το Wazuh, το OpenEDR και το Bluespawn. Θα τα εγκαταστήσουμε σε ορισμένα τελικά σημεία και θα εξετάσουμε το πως συμπεριφέρονται κατά τη διάρκεια μιας εισβολής σε κάποιο από τα συστήματα μας. Η εισβολή θα γίνει με το Caldera. Τέλος θα εξηγήσουμε την αναγκαιότητα των συστημάτων ανίχνευσης και απόκρισης τελικού σημείου, για την ασφάλεια των τελικών σημείων και των δεδομένων.