cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
On the Security of Group Communication Schemes
Creators: name: Xu, Shouhuai
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Secure group communications are a mechanism facilitating protected transmission of messages from a sender to multiple receivers, and many emerging applications in both wired and wireless networks need the support of such a mechanism. There have been many secure group communication schemes in wired networks, which can be directly adopted in, or appropriately adapted to, wireless networks such as mobile ad hoc networks (MANETs) and sensor networks. In this paper we show that the popular group communication schemes that we have examined are vulnerable to the following attack: An outside adversary who compromises a certain legitimate group member could obtain {\em all} past and present group keys (and thus all the messages protected by them); this is in sharp contrast to the widely-accepted belief that a such adversary can only obtain the present group key (and thus the messages protected by it). In order to understand and deal with the attack, we formalize two security models for stateful and stateless group communication schemes. We show that some practical methods can make a {\em subclass} of existing group communication schemes immune to the attack.
description: 41 pages
Torbda Cameron 1902
Creators: name: Kyohei Watanabe
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hymenoptera
Ichneumonidae
Torbda

description: Genus Torbda Cameron, 1902
Torbda Cameron, 1902c: 18. Type species: Torbda geniculata Cameron, 1902. Designated by Morley (1913).
Miophatnus Cameron, 1907b: 105. Type species: Miophatnus nigromaculatus Cameron, 1907. Monobasic.
In Japan, two species T. parallela Momoi, 1970, and T. sauteri Uchida, 1932, have been recorded. Momoi (1970) and Gupta & Gupta (1983) provided the character states for both species by descriptions and/or keys, while many additional specimens (including a Chinese specimen) of T. sauteri indicate that this species with a large intraspecific variation in the body coloration and sculptures. Table 1 shows the variation of body coloration of T. sauteri and T. parallela, the character states of Figs. 11H–J (fore wing), 11K and L (hind tibia), and 11N–P (T7) are previously used for the separation of both species and of Figs. 11E– G (occiput) are newly found in this study. The character states of Figs. 11I and 11O are intermediate condition of T. sauteri and T parallela. In addition, these characters varied individually and more or less overlapped each other and are not reflect the species concept. Thus, I conclude that both species are same species. In this study, I synonymize T. parallela under T. sauteri (syn. nov.)
description: Published as part of Kyohei Watanabe, 2019, Taxonomic and Zoogeographical Notes of Japanese Cryptinae (Hymenoptera, Ichneumonidae), with Description of Five New Species, pp. 81-113 in Bulletin of the Kanagawa Prefectural Museum (Natural Science) 48 on page 104, DOI: 10.5281/zenodo.11205625
Measles-induced immune amnesia and its effects in concurrent epidemics
Creators: name: Morales, Guillermo B.
name: Muñoz, Miguel A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Physics and Society (physics.soc-ph)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: It has been recently discovered that the measles virus can wipe out the adaptive immune system, destroying B lymphocytes and reducing the diversity of non-specific B cells of the infected host. In particular, this implies that previously acquired immunization from vaccination or direct exposition to other pathogens could be erased in a phenomenon named "immune amnesia", whose effects can become particularly worrisome given the actual rise of anti-vaccination movements. Here we present the first attempt to incorporate immune amnesia into standard models of epidemic spreading. In particular, we analyze diverse variants of a model that describes the spreading of two concurrent pathogens causing measles and another generic disease: the SIR-IA model. Analytical and computational studies confirm that immune amnesia can indeed have important consequences for epidemic spreading, significantly altering the vaccination coverage required to reach herd-immunity for concurring infectious diseases. More specifically, we uncover the existence of novel propagating and endemic phases which are induced by immune amnesia, that appear both in fully-connected and more structured networks, such as random networks and power-law degree-distributed ones. In particular, the transitions from a quiescent state into these novel phases can become rather abrupt in some cases that we specifically analyze. Furthermore, we discuss the meaning and consequences of our results and their relation with, e.g., immunization strategies, together with the possibility that explosive types of transitions may emerge, making immune-amnesia effects particularly dramatic. This work opens the door to further developments and analyses of immune amnesia effects, contributing, more generally, to the theory of interacting epidemics on complex networks.
Rethinking the value of the company. A study on Benefit Corporations
Creators: name: Arena, Carmelo
name: Ciurleo, Eveny
name: Mazzitelli, Diego
Publisher: name: Economia Aziendale Online -
Year: 2023
Subjects: benefit corporation,sustainability,csr,economic value,stakeholders,shared value

description: The aim of the paper is to re-discuss the concept of economic value of the firm in the light of recent market trends, which see a rapid development of new corporate forms, such as Benefit Corporations. The methodology is theoretical-qualitative, given that the goal of the paper is to provide a theoretical framework within which to move for the study of Benefit Corporations. Therefore, starting from the theoretical analysis conducted by La Rocca (2016) and from the concept of Shared Value (Porter, Kramer, 2011), we will analyze all the aspects relating to the economic value of the company (distribution, components and dimensions). The article has implications of a theoretical nature, as it will expand the literature by providing a declination of the concept of business economic value specific to Benefit Corporations. It also has implications of a managerial and Corporate Governance nature, as the case studies analyzed provide evidence of the advantages relating to the establishment of Benefit Corporations. Ultimately, it has implications of a social nature, as it highlights the benefits, in terms of value creation and diffusion, which derive from the development of Benefit Corporations. According to the authors' knowledge, in the literature there is not yet an organic vision from a theoretical point of view on Benefit Corporations, but a similar study was conducted by Gazzola & Mella (2004).
description: Economia Aziendale Online -, Vol 14, No 4 (2023): ISSUE 4/2023
Measurement of the Enhanced Screening Effect of the d+d Reactions in Metals
Creators: name: Huke, A.
name: Czerski, K.
name: Heide, P.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The investigation of the d+d fusion reactions in metallic environments at sub-Coulomb energies demands especially adapted techniques beyond standard procedures in nuclear physics. The measurements which were performed with an electrostatic accelerator at different self-implanted metallic target materials show an enhancement of the reaction cross-section compared to the gas target experiments. The resulting electron screening energy values are about one order of magnitude larger relative to the gas target experiments and exceed significantly the theoretical predictions. The measurements on deuterium inside metals are heavily affected by the interference of two peculiarities of this system: the possibly very high mobility of deuterium in solids and the formation of surface contamination layers under ion beam irradiation in high vacuum systems. Thorough investigations of these processes show their crucial influence on the interpretation of the experimental raw data. The differential data acquisition and analysis method employed to it is outlined. Non observance of these problems by using standard procedures results in fatal errors for the extraction of the screening energies.
description: 39 pages, 14 figures, elsart class. Note: Conflict between elsart.cls and SIunits.sty in the re-definition of \rem. Hence SIunits.sty modified. Submitted to Nuclear Instruments and Methods B
Investigating the Role of Orthodenticle Homeobox 2 in Alcohol Consumption
Creators: name: Coles, Cassandre
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: ABSTRACT: Alcohol use disorder (AUD) is a psychiatric disorder that involves the dysregulation of brain regions such as the ventral tegmental area (VTA). Orthodenticle homeobox 2 (OTX2) is a transcription factor that is important for the development of dopaminergic (DA) neurons residing in the VTA. Previous studies have demonstrated that ethanol exposure during development can reduce Otx2 mRNA levels in the central nervous system. In addition, transiently reducing OTX2 in the juvenile VTA has been implicated in the development of stress-induced depression in adults. Currently, nothing is known about the relationship between OTX2 and ethanol consumption. To investigate this, I tested whether binge drinking during adulthood would alter Otx2 mRNA and protein expression levels in the murine VTA. Binge drinking promoted an increase in both Otx2 mRNA and protein levels within the VTA. I next investigated whether RNA interference-induced knockdown of Otx2 within the adult murine VTA would alter binge-like ethanol consumption, and whether transient depletion of Otx2 in the juvenile VTA could impact ethanol consumption in adulthood. None of these manipulations affected ethanol drinking. However, transient reduction of Otx2 in the VTA of juvenile mice did increase tyrosine hydroxylase, an enzyme in the DA biosynthetic pathway, in the VTA and nucleus accumbens of adults. This is the first study to reveal that binge drinking during adulthood can impact Otx2 expression in the murine VTA, and that transiently reducing Otx2 in the VTA of juveniles can have a long-lasting effect on DA neurons.
Quaternionic elastic scattering
Creators: name: Giardino, Sergio
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the elastic scattering of quantum particles based on a real Hilbert space approach to quaternionic quantum mechanics ($\mathbbm H$QM) and derive expression for the wave function, the phase shifts, as well as the optical theorem for the case of a hard sphere scattering potential. The strong agreement between these new quaternionic results and the corresponding results in complex quantum mechanics reinforce the validity of the $\mathbbm H$QM generalization of ordinary complex quantum mechanics ($\mathbbm C$QM).
description: Accept by Europhysics Letters
Logical Judges Challenge Human Judges on the Strange Case of B.C.-Valjean
Creators: name: Mascardi, Viviana
name: Pellegrini, Domenico
Publisher: name: arXiv
Year: 2020
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: On May 12th, 2020, during the course entitled Artificial Intelligence and Jurisdiction Practice organized by the Italian School of Magistracy, more than 70 magistrates followed our demonstration of a Prolog logical judge reasoning on an armed robbery case. Although the implemented logical judge is just an exercise of knowledge representation and simple deductive reasoning, a practical demonstration of an automated reasoning tool to such a large audience of potential end-users represents a first and unique attempt in Italy and, to the best of our knowledge, in the international panorama. In this paper we present the case addressed by the logical judge - a real case already addressed by a human judge in 2015 - and the feedback on the demonstration collected from the attendees.
description: In Proceedings ICLP 2020, arXiv:2009.09158
Instanton Solution of a Nonlinear Potential in Finite Size
Creators: name: Zoli, Marco
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The Euclidean path integral method is applied to a quantum tunneling model which accounts for finite size ($L$) effects. The general solution of the Euler Lagrange equation for the double well potential is found in terms of Jacobi elliptic functions. The antiperiodic instanton interpolates between the potential minima at any finite $L$ inside the quantum regime and generalizes the well known (anti)kink solution of the infinite size case. The derivation of the functional determinant, stemming from the quantum fluctuation contribution, is given in detail. The explicit formula for the finite size semiclassical path integral is presented.
description: Int. J. Mod. Phys. B (2008) in press
Plumelets: Dynamic Filamentary Structures in Solar Coronal Plumes
Creators: name: Uritsky, V. M.
name: DeForest, C. E.
name: Karpen, J. T.
name: DeVore, C. R.
name: Kumar, P.
name: Raouafi, N. E.
name: Wyper, P. F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Solar coronal plumes long seemed to possess a simple geometry supporting spatially coherent, stable outflow without significant fine structure. Recent high-resolution observations have challenged this picture by revealing numerous transient, small-scale, collimated outflows ("jetlets") at the base of plumes. The dynamic filamentary structure of solar plumes above these outflows, and its relationship with the overall plume structure, have remained largely unexplored. We analyzed the statistics of continuously observed fine structure inside a single representative bright plume within a mid-latitude coronal hole during 2016 July 2-3. By applying advanced edge-enhancement and spatiotemporal analysis techniques to extended series of high-resolution images from the Solar Dynamics Observatory's Atmospheric Imaging Assembly, we determined that the plume was composed of numerous time-evolving filamentary substructures, referred to as "plumelets" in this paper, that accounted for most of the plume emission. The number of simultaneously identifiable plumelets was positively correlated with plume brightness, peaked in the fully formed plume, and remained saturated thereafter. The plumelets had transverse widths of 10 Mm and intermittently supported upwardly propagating periodic disturbances with phase speeds of 190-260 km/s and longitudinal wavelengths of 55-65 Mm. The characteristic frequency (3.5 mHz) is commensurate with that of solar p-modes. Oscillations in neighboring plumelets are uncorrelated, indicating that the waves could be driven by p-mode flows at spatial scales smaller than the plumelet separation. Multiple independent sources of outflow within a single coronal plume should impart significant fine structure to the solar wind that may be detectable by Parker Solar Probe and Solar Orbiter.
description: ApJ, in press, 22 pages, 18 figures
Two universal results for Wilson loops at strong coupling
Creators: name: Hartnoll, Sean A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present results for Wilson loops in strongly coupled gauge theories. The loops may be taken around an arbitrarily shaped contour and in any field theory with a dual IIB geometry of the form M x S^5. No assumptions about supersymmetry are made. The first result uses D5 branes to show how the loop in any antisymmetric representation is computed in terms of the loop in the fundamental representation. The second result uses D3 branes to observe that each loop defines a rich sequence of operators associated with minimal surfaces in S^5. The action of these configurations are all computable. Both results have features suggesting a connection with integrability.
description: 1+12 pages. LaTeX. No figures
Effect of Mechanical and Geometrical Properties of Cement on Wellbore Stability Using 3-D Analysis
Creators: name: Mohamad HEIDARIAN, Hosein JALALIFAR
Publisher: name: Walailak University
Year: 2015
Subjects: Cement, stability, plastic strain, finite element, 3-D analysis

description: 8, 12, Walailak Journal of Science and Technology
On the supergravity formulation of mirror symmetry in generalized Calabi-Yau manifolds
Creators: name: D'Auria, R.
name: Ferrara, S.
name: Trigiante, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We derive the complete supergravity description of the N=2 scalar potential which realizes a generic flux-compactification on a Calabi-Yau manifold (generalized geometry). The effective potential V_{eff}=V_{(\partial_Z V=0)}$, obtained by integrating out the massive axionic fields of the special quaternionic manifold, is manifestly mirror symmetric, i.e. invariant with respect to {\rm Sp}(2 h_2+2)\times {\rm Sp}(2 h_1+2) and their exchange, being h_1, h_2 the complex dimensions of the underlying special geometries. {\Scr V}_{eff} has a manifestly N=1 form in terms of a mirror symmetric superpotential $W$ proposed, some time ago, by Berglund and Mayr.
description: 14 pages, LaTeX source
FabricNet: A Fiber Recognition Architecture Using Ensemble ConvNets
Creators: name: Ohi, Abu Quwsar
name: Mridha, M. F.
name: Hamid, Md. Abdul
name: Monowar, Muhammad Mostafa
name: Kateb, Faris A
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Fabric is a planar material composed of textile fibers. Textile fibers are generated from many natural sources; including plants, animals, minerals, and even, it can be synthetic. A particular fabric may contain different types of fibers that pass through a complex production process. Fiber identification is usually carried out through chemical tests and microscopic tests. However, these testing processes are complicated as well as time-consuming. We propose FabricNet, a pioneering approach for the image-based textile fiber recognition system, which may have a revolutionary impact from individual to the industrial fiber recognition process. The FabricNet can recognize a large scale of fibers by only utilizing a surface image of fabric. The recognition system is constructed using a distinct category of class-based ensemble convolutional neural network (CNN) architecture. The experiment is conducted on recognizing 50 different types of textile fibers. This experiment includes a significantly large number of unique textile fibers than previous research endeavors to the best of our knowledge. We experiment with popular CNN architectures that include Inception, ResNet, VGG, MobileNet, DenseNet, and Xception. Finally, the experimental results demonstrate that FabricNet outperforms the state-of-the-art popular CNN architectures by reaching an accuracy of 84% and F1-score of 90%.
description: Accepted in IEEE Access
Asymptotic results for maximum likelihood estimators in joint analysis of repeated measurements and survival time
Creators: name: Zeng, Donglin
name: Cai, Jianwen
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G07 (Primary) 62F12 (Secondary)

description: Maximum likelihood estimation has been extensively used in the joint analysis of repeated measurements and survival time. However, there is a lack of theoretical justification of the asymptotic properties for the maximum likelihood estimators. This paper intends to fill this gap. Specifically, we prove the consistency of the maximum likelihood estimators and derive their asymptotic distributions. The maximum likelihood estimators are shown to be semiparametrically efficient.
description: Published at http://dx.doi.org/10.1214/009053605000000480 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Zeit - zur Einführung in das Schwerpunktthema
Creators: name: Gautschi, Peter
Publisher: name: Zenodo
Year: 2023
Subjects: Zeit
Gesellschaftswissenschaften
Didaktisches Dreieck
Universum des Historischen

description: Zeit ist eine existenziell wichtige Kategorie unseres Lebens und eine Fundamentaldimension der Didaktik der Gesellschaftswissenschaften: Schülerinnen und Schüler sollen sich in ihrem Leben in Zeit, Raum und Gesellschaft orientieren und gesellschaftlich verantwortlich handeln können. Dazu müssen sie in der Lage sein, eine Denkbewegung aus ihrer Gegenwart ins Universum des Historischen und wieder zurück zu ihrem Jetzt und zur Zukunft zu vollziehen. Gerade vor dem Hintergrund einer immer breiter werdenden Gegenwart bringt dies vielfältige Herausforderungen für die Fachdidaktik mit sich.
description: + ID der Publikation: phlu_17900 + Art des Beitrages: Editorial + Seiten: 9 - 24 + Medium/Art/Gattung: Zeitschrift für Didaktik der Gesellschaftswissenschaften + Sprache: Deutsch + Letzte Aktualisierung: 2024-01-03 12:32:31
Improved Effective Dynamics of Loop-Quantum-Gravity Black Hole and Nariai Limit
Creators: name: Han, Muxin
name: Liu, Hongguang
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose a new model of the spherical symmetric quantum black hole in the reduced phase space formulation. We deparametrize gravity by coupling to the Gaussian dust which provides the material coordinates. The foliation by dust coordinates covers both the interior and exterior of the black hole. After the spherical symmetry reduction, our model is a 1+1 dimensional field theory containing infinitely many degrees of freedom. The effective dynamics of the quantum black hole is generated by an improved physical Hamiltonian ${\bf H}_Δ$ where the holonomy correction is implemented by the $\barμ$-scheme regularization with a Planckian area scale $Δ$. The effective dynamics recovers the semiclassical Schwarzschild geometry at low curvature regime and resolves the black hole singularity with Planckian curvature. Our model predicts that the evolution of the black hole at late time reaches the charged Nariai geometry ${\rm dS}_2\times S^2$ with Planckian radii. The Nariai geometry is stable under linear perturbations but may be unstable by nonperturbative quantum effects. Our model suggests the existence of quantum tunneling of the Nariai geometry and a scenario of black-hole-to-white-hole transition. During the transition, the linear perturbations exhibit chaotic dynamics with Lyapunov exponent $λ=2πT_{\rm dS}\sim Δ^{-1/2}$ relating to the Hawking temperature $T_{\rm dS}$ of ${\rm dS}_2$. In addition, the Nariai geometry in our model provides an interesting example of Wheeler's bag of gold and contains infinitely many infrared soft modes with zero energy density. These infrared modes span a Hilbert space carrying a representation of 1-dimensional spatial diffeomorphisms (or the Witt/Virasoro algebra) which are conserved charges of the effective dynamics by ${\bf H}_Δ$.
description: 36 pages, 24 figures
Entanglement Entropy, Trace Anomalies and Holography
Creators: name: Schwimmer, A.
name: Theisen, S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The holographic representation of the entanglement entropy of four dimensional conformal field theories is studied. By generalizing the replica trick the anomalous terms in the entanglement entropy are evaluated. The same terms in the holographic representation are calculated by a method which does not require the solution of the equations of motion or a cut off. The two calculations disagree for rather generic geometries. The reasons for the disagreement are analyzed.
description: 33 pages, 1 figure; v2: references and two footnotes added, typos corrected
Application of Adaptive Multilevel Splitting to High-Dimensional Dynamical Systems
Creators: name: Baars, S.
name: Castellana, D.
name: Wubs, F. W.
name: Dijkstra, H. A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Numerical Analysis (math.NA)
subject: Computational Physics (physics.comp-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: Stochastic nonlinear dynamical systems can undergo rapid transitions relative to the change in their forcing, for example due to the occurrence of multiple equilibrium solutions for a specific interval of parameters. In this paper, we modify one of the methods developed to compute probabilities of such transitions, Trajectory-Adaptive Multilevel Sampling (TAMS), to be able to apply it to high-dimensional systems. The key innovation is a projected time-stepping approach, which leads to a strong reduction in computational costs, in particular memory usage. The performance of this new implementation of TAMS is studied through an example of the collapse of the Atlantic Ocean Circulation.
Exact Lagrangian submanifolds in simply-connected cotangent bundles
Creators: name: Fukaya, Kenji
name: Seidel, Paul
name: Smith, Ivan
Publisher: name: arXiv
Year: 2007
Subjects: subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 53D35; 53D40

description: We consider exact Lagrangian submanifolds in cotangent bundles. Under certain additional restrictions (triviality of the fundamental group of the cotangent bundle, and of the Maslov class and second Stiefel-Whitney class of the Lagrangian submanifold) we prove such submanifolds are Floer-cohomologically indistinguishable from the zero-section. This implies strong restrictions on their topology. An essentially equivalent result was recently proved independently by Nadler, using a different approach.
description: 28 pages, 3 figures. Version 2 -- derivation and discussion of the spectral sequence considerably expanded. Other minor changes
Direct Ink Writing of Functional Fiber Composites
Creators: name: Yizhou Jiang
Publisher: name: University of Illinois at Chicago
Year: 2020
Subjects: Uncategorized

description: Fiber-polymer composites, consisting of the polymer matrix and functional synthetic/natural fibers, show tremendous promise due to their unique mechanical, thermal, and electrical properties. By printing such fiber-polymer composites using additive manufacturing (AM) techniques, the three-dimensional models can be fabricated with arbitrary free-form geometry and various functionalities. Direct ink writing (DIW) is an extrusion-based AM approach and has a diverse choice of printable matrix materials. Applications, including energy storage, mechanical reinforcements, and biomimetic materials, have been presented through DIW of fiber composites. Yet grand challenges such as the complicated process planning, low geometrical accuracy, filament shape instabilities, and minimal fiber extrusion capability still exist in the DIW of fiber-polymer composites. This dissertation aims to address these challenges in DIW of fiber-polymer composites and to develop a fundamental understanding of the complex interplay of ink properties, DIW printing process, and printed composite functionalities through testing the following hypotheses: Hypothesis I: The incorporation of an electric field between the printing nozzle and the substrate can induce an electrowetting effect to enlarge the printable ranges of materials and the working range of manufacturing process settings. Hypothesis II: The addition of water-washable gel can change the rheological properties of the fiber suspensions in a way that the shear-yielding and shear-thinning properties are enhanced to increase the printability of composites with higher geometrical accuracy. Hypothesis III: Sonication can remove the primary wall of natural fibers and enhances the printability of natural fibers in DIW while retaining its mechanical characteristics in the printed composite. The findings are beneficial to material science and manufacturing process, enabling significant improvements in DIW of fiber-polymer composites and future applications in functional devices fabrication in the following perspectives: a) Generalized mappings between the printed feature geometries and process parameters were developed. b) The influence of liquid ink rheological properties on printing stability was understood. c) Approaches for modifying synthetic/natural fiber for higher printability were established. d) Electric-field-assisted and temperature-controlled DIW process planning strategies were developed and evaluated. e) Novel applications of DIW printed fiber composites were demonstrated.
[Basic vocabulary list]
Creators: name: Kulikauskas, Rima
name: Hubbard, Kathleen
name: Matisoff, James
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2024
Subjects: subject: lit

description: Partially filled-in list of basic vocabulary. Handwriting appears to belong to James Matisoff and Kathleen Hubbard's name is written at the top of one page, suggesting that Kathleen Hubbard was eliciting and James Matisoff was writing.
Taxonomic Studies and Traditional Uses of Zingiberaceae in Khao Luang National Park, Nakhon Si Thammarat Province, Thailand
Creators: name: Nuengrutai NONTASIT, Chatchai KANLAYANAPAPHON
Publisher: name: Walailak University
Year: 2015
Subjects: Zingiberaceae, taxonomic studies, traditional uses, Khao Luang National Park

description: 8, 12, Walailak Journal of Science and Technology
Quasi-adiabatic and stochastic heating and particle acceleration at quasi-perpendicular shocks
Creators: name: Stasiewicz, Krzysztof
name: Eliasson, Bengt
Publisher: name: arXiv
Year: 2020
Subjects: subject: Space Physics (physics.space-ph)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Based on Magnetospheric Multiscale (MMS) observations from the Earth's bow shock, we have identified two plasma heating processes that operate at quasi-perpendicular shocks. Ions are subject to stochastic heating in a process controlled by the heating function $χ_j = m_j q_j^{-1} B^{-2}\mathrm{div}(\mathbf{E}_\perp)$ for particles with mass $m_j$ and charge $q_j$ in the electric and magnetic fields $\mathbf{E}$ and $\mathbf{B}$. Test particle simulations are employed to identify the parameter ranges for bulk heating and stochastic acceleration of particles in the tail of the distribution function. The simulation results are used to show that ion heating and acceleration in the studied bow shock crossings is accomplished by waves at frequencies (1-10)$f_{cp}$ (proton gyrofrequency) for the bulk heating, and $f>10f_{cp}$ for the tail acceleration. When electrons are not in the stochastic heating regime, $|χ_e|<1$, they undergo a quasi-adiabatic heating process characterized by the isotropic temperature relation $T/B=(T_0/B_0)(B_0/B)^{1/3}$. This is obtained when the energy gain from the conservation of the magnetic moment is redistributed to the parallel energy component through the scattering by waves. The results reported in this paper may also be applicable to particle heating and acceleration at astrophysical shocks.
description: 11 pages, 7 figures, accepted for Astrophysical Journal
D-brane Categories for Orientifolds -- The Landau-Ginzburg Case
Creators: name: Hori, Kentaro
name: Walcher, Johannes
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct and classify categories of D-branes in orientifolds based on Landau-Ginzburg models and their orbifolds. Consistency of the worldsheet parity action on the matrix factorizations plays the key role. This provides all the requisite data for an orientifold construction after embedding in string theory. One of our main results is a computation of topological field theory correlators on unoriented worldsheets, generalizing the formulas of Vafa and Kapustin-Li for oriented worldsheets, as well as the extension of these results to orbifolds. We also find a doubling of Knoerrer periodicity in the orientifold context.
description: 45 pages, 6 figures
Wavelet thresholding for nonnecessarily Gaussian noise: functionality
Creators: name: Averkamp, R.
name: Houdré, C.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G07, 62C20 (Primary) 60G70, 41A25 (Secondary)

description: For signals belonging to balls in smoothness classes and noise with enough moments, the asymptotic behavior of the minimax quadratic risk among soft-threshold estimates is investigated. In turn, these results, combined with a median filtering method, lead to asymptotics for denoising heavy tails via wavelet thresholding. Some further comparisons of wavelet thresholding and of kernel estimators are also briefly discussed.
description: Published at http://dx.doi.org/10.1214/009053605000000471 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Numerical calculations near spatial infinity
Creators: name: Zenginoglu, Anil
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: After describing in short some problems and methods regarding the smoothness of null infinity for isolated systems, I present numerical calculations in which both spatial and null infinity can be studied. The reduced conformal field equations based on the conformal Gauss gauge allow us in spherical symmetry to calculate numerically the entire Schwarzschild-Kruskal spacetime in a smooth way including spacelike, null and timelike infinity and the domain close to the singularity.
description: 10 pages, 2 postscript figures, uses psfrag; to appear in the Proceedings of the Spanish Relativity Meeting (ERE 2006), Palma de Mallorca, Spain, 4-8 September 2006
RegTech, the startups’ ecosystem operated by Swisscom
Creators: name: Battanta, Luca
name: Magli, Francesca
Publisher: name: Economia Aziendale Online -
Year: 2023
Subjects: regtech, fintech, finance, banks, switzerland

description: After the tremendous financial 2008 crisis, at the same time as the strong emergence of digital technologies and the end of banking secrecy, FinTech and RegTech start-ups are offering products related to the financial regulatory field.

This is particularly true for the Swiss financial market.

We desire to explore the start-ups map RegTech of Swisscom, the main Swiss IT/telecommunication company involved in regulatory technology.

We begin the scientific analysis through preliminary systematic review of the literature.

Today the literature on case studies in RegTech is not proposing any solution of cooperation or aggregation in Switzerland.

We started our exploration of the Swiss context in RegTech with a unique article about RegTech in Switzerland (Witz, 2019) and then we did an exploratory investigation through interviews and reviewing the website of the start-ups in RegTech field.  To explore the field, we find the Swisscom RegTech map: a successful aggregator of startups in Switzerland.

The objective of our contribution is to determine how Swiss start-ups, applying RegTech and cooperation with an Information technology and telecommunication company, can improve risk management, lower compliance costs in Switzerland especially in banks, and how they could develop Swiss financial market.
description: Economia Aziendale Online -, Vol 14, No 4 (2023): ISSUE 4/2023
Studies on the epidemiology and other aspects of Chalara elegans
Creators: name: Brown, Peter John
Publisher: name: CQUniversity
Year: 2021
Subjects: subject: 60799 Plant Biology not elsewhere classified
subject: FOS: Biological sciences

description: Chalara elegans is a fungal pathogen of a wide range of plant hosts including several of economic importance such as citrus, tomato, legumes and lettuce. The pathogen elicits a range of symptoms, the overall syndrome commonlybeing referred to as black root rot. Although recognised as a common member of the soil mycobiota, it has been reported that more virulent strains have been introduced from overseas in sphagnum peat. This material is frequently used in seedling nurseries to raise seedlings prior to transplantation to field situationsfor crop maturation.
LOFAR observations of a jet-driven piston shock in the low solar corona
Creators: name: Maguire, Ciara A.
name: Carley, Eoin P.
name: Zucca, Pietro
name: Vilmer, Nicole
name: Gallagher, Peter T.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The Sun produces highly dynamic and eruptive events that can drive shocks through the corona. These shocks can accelerate electrons, which result in plasma emission in the form of a type II radio burst. Despite the large number of type II radio bursts observations, the precise origin of coronal shocks is still subject to investigation. Here we present a well observed solar eruptive event that occurred on 16 October 2015, focusing on a jet observed in the extreme ultraviolet (EUV) by the Atmospheric Imaging Assembly (SDO/AIA), a streamer observed in white-light by the Large Angle and Spectrometric Coronagraph (SOHO/LASCO), and a metric type II radio burst observed by the LOw Frequency Array (LOFAR). LOFAR interferometrically imaged the fundamental and harmonic sources of a type II radio burst and revealed that the sources did not appear to be co-spatial, as would be expected from the plasma emission mechanism. We correct for the separation between the fundamental and harmonic using a model which accounts for scattering of radio waves by electron density fluctuations in a turbulent plasma. This allows us to show the type II radio sources were located $\sim$0.5 R$_\odot$ above the jet and propagated at a speed of $\sim$1000 kms$^{-1}$, which was significantly faster than the jet speed of $\sim$200 kms$^{-1}$. This suggests that the type II burst was generated by a piston shock driven by the jet in the low corona.
Archivi per l’impresa, archivi per la storia: esplorazioni nel fondo delle Filande e Tessiture Costa dell’Archivio di Stato di Como
Creators: name: Casati, Alessandra
Publisher: name: ----
Year: 2023
Subjects: archivi della produzione tessile, como, distretto della seta, european recovery program, bachicoltura, trattura e torcitura del filo, esposizione nazionale dell’elettricità e dell’industria serica,anai, tessuti bègonias

description: Il contributo mira a presentare i primi risultati di un’indagine storica sulla produzione tessile e serica a Como nel Novecento. Esso si concentra in modo particolare sullo studio degli archivi delle imprese e delle aziende impegnate in questo specifico settore della produzione industriale a Como e nel suo distretto economico. Gli archivi delle imprese permettono di indagare le modalità organizzative dei processi produttivi e nel caso della industria della seta di verificare i modi di divisione del lavoro tra i reparti esecutivi e quelli creativi. L’industria tessile, soprattutto nel secondo dopoguerra, incrocia le vicende dell’industria della moda e la congiuntura sollecita una riflessione sui rapporti tra stilisti, disegnatori, produttori. L’esempio principale sui cui si imposta il contributo è offerto dall’archivio delle Filande e Tessiture Costa, che hanno cessato l’attività ma che ebbero importanti collaborazioni con maisons di moda come Dior, Gicenchy, Max Mara etc. Il fondo è stato acquisito dall’Archivio di Stato di Como ed è interamente consultabile, ma in attesa di catalogazione e valorizzazione. In questa occasione se ne ricorda l’importanza come bene storico e come documento della ricaduta nei processi produttivi e delle organizzazioni aziendali sulla costruzione di valori sociali e culturali nel territorio.
description: ----, Vol 14, No 4 (2023): ISSUE 4/2023
High-field and low field magnetoresistance of CoFe nanoparticles elaborated by organometallic chemistry
Creators: name: Tan, Reasmey P.
name: Carrey, Julian
name: Respaud, Marc
name: Desvaux, Celine
name: Renaud, Philippe
name: Chaudret, Bruno
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report on magnetotransport measurements on CoFe nanoparticles surrounded by an insulating organic layer. Samples were obtained by evaporating a solution of nanoparticles on a patterned substrate. Typical behaviour of Coulomb blockade in array of nanoparticles is observed. High and low field magnetoresistance have been evidenced. Below 10 K, a large high-field magnetoresistance is measured, reaching up to 500 %. Its amplitude decreases strongly with increasing voltage. At 1.6 K, this high-field magnetoresistance vanishes and an inverse low field tunnelling magnetoresistance is observed.
description: 12 pages, with 3 figures, references and figure captions. Proceeding of the 52nd MMM conference
Thermal quantum electrodynamics of nonrelativistic charged fluids
Creators: name: Buenzli, Pascal R.
name: Martin, Philippe A.
name: Ryser, Marc D.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The theory relevant to the study of matter in equilibrium with the radiation field is thermal quantum electrodynamics (TQED). We present a formulation of the theory, suitable for non relativistic fluids, based on a joint functional integral representation of matter and field variables. In this formalism cluster expansion techniques of classical statistical mechanics become operative. They provide an alternative to the usual Feynman diagrammatics in many-body problems which is not perturbative with respect to the coupling constant. As an application we show that the effective Coulomb interaction between quantum charges is partially screened by thermalized photons at large distances. More precisely one observes an exact cancellation of the dipolar electric part of the interaction, so that the asymptotic particle density correlation is now determined by relativistic effects. It has still the $r^{-6}$ decay typical for quantum charges, but with an amplitude strongly reduced by a relativistic factor.
description: 32 pages, 0 figures. 2nd version
The First Extensive Exploration of UV-bright Stars in the Globular Cluster NGC 2808
Creators: name: Prabhu, Deepthi S.
name: Subramaniam, Annapurni
name: Sahu, Snehalata
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: In this study, we identified and characterized the hot and luminous UV-bright stars in the globular cluster NGC 2808. We combined data from the Ultra Violet Imaging Telescope (UVIT) on-board the Indian space satellite, AstroSat, with the Hubble Space Telescope UV Globular Cluster Survey (HUGS) data for the central region (within $\sim$ $\ang[angle-symbol-over-decimal]{;2.7;} \times \ang[angle-symbol-over-decimal]{;2.7;}$) and Gaia and ground-based optical photometry for the outer parts of the cluster. We constructed the UV and UV-optical color-magnitude diagrams, compared the horizontal branch (HB) members with the theoretical zero-age HB and terminal-age HB models and identified 34 UV-bright stars. The spectral energy distributions of the UV-bright stars were fitted with theoretical models to estimate their effective temperatures (12500 K - 100,000 K), radii (0.13 to 2.2 $R_{\odot}$), and luminosities ($\sim 40$ to $3000$ $L_{\odot}$) for the first time. These stars were then placed on the H-R diagram, along with theoretical post-HB (pHB) evolutionary tracks to assess their evolutionary status. The models suggest that most of these stars are in the AGB-manqué phase and all, except three, have evolutionary masses $
description: 23 pages, 15 figures, 7 tables. Accepted for publication in ApJ
Bose-Einstein condensate in a harmonic trap decorated with Dirac delta functions
Creators: name: Uncu, Haydar
name: Tarhan, Devrim
name: Demiralp, Ersan
name: Mustecaplioglu, Ozgur E.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study Bose-Einstein condensation in a harmonic trap with a dimple potential. We specifically consider the case of a tight and deep dimple potential which is modelled by a Dirac delta function. This allows for simpler, explicit numerical and analytical investigations of noninteracting gases. Thus, the Schrodinger equation is used instead of the Gross-Pitaevski equation. Calculating the atomic density, chemical potential, critical temperature and condensate fraction, the role of the relative depth of the dimple potential with respect to the harmonic trap in large condensate formation at enhanced temperatures is clearly revealed.
description: 8 pages, 8 figures
N=4, d=1 tensor multiplet and hyper-Kahler sigma-models
Creators: name: Krivonos, S.
name: Shcherbakov, A.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We demonstrate how hyper-Kahler manifolds arise from a sigma-model action for N=4, d=1 tensor supermultiplet after dualization of the auxiliary bosonic component into a physical bosonic one.
description: 5 pages, v2: typos corrected, formula (22) corrected