bluuebunny/crossref_metadata_2025_split huggingface dataset:
A supersymmetric color superconductor from holography
Authors: Faedo Antón F. , Mateos David , Pantelidou Christiana , Tarrío Javier 
Published: May 2019

AbstractWe use holography to studyd= 4,$$ \mathcal{N}=4 $$N=4, SU(Nc) super Yang-Mills coupled toNf≪Ncquark flavors. We place the theory at finite isospin densitynIby turning on an isospin chemical potentialμI=Mq, withMqthe quark mass. We also turn on two R-symmetry charge densitiesn1=n2. We show that the ground state is a supersymmetric, superfluid, color superconductor, namely a finite-density state that preserves a fraction of supersymmetry in which part of the global symmetries and part of the gauge symmetries are spontaneously broken. The holographic description consists ofNfD7-brane probes in AdS5× S5. The symmetry breaking is due to the dissolution of some D3-branes inside the D7-branes triggered by the electric field associated to the isospin charge. The massless spectrum contains Goldstone bosons and their fermionic superpartners. The massive spectrum contains long-lived, mesonic quasi-particles ifnI ≪ μI3, and no quasi-particles otherwise. We discuss the possibility that, despite the presence of mass scales and charge densities in the theory, conformal and relativistic invariance arise as emergent symmetries in the infrared.
Coherent vs incoherent transport in holographic strange insulators
Authors: Andrade Tomas , Krikun Alexander 
Published: May 2019

Abstract

Holographic strange metals are known to have a power law resistivity rising with temperature, which is reminiscent of the strange metal phases in condensed matter systems. In some holographic models, however, the exponent of the power law in the resistivity can be negative. In this case one encounters phases with diverging resistivity at zero temperature: holographic strange insulators.
These states arise as a result of translational symmetry breaking in the system, which can either be strong explicit and relevant in the IR, or spontaneous, but pinned by a small explicit source. In some regards, one can associate these two classes to the normal band insulators due to the strong ionic potential, and Mott insulator due to the commensurate lock in of the charge density wave.
We study different features of these classes on the explicit example of a holographic helical model with homogeneous Bianchy VII type translational symmetry breaking, and uncover the main mechanisms underlying transport in these two cases. We find that while transport in the explicit relevant case is governed by the incoherent conductivity, in the pinned spontaneous case the leading contribution comes from the coherent part.
Exploring attentional focus of older adult fallers during heightened postural threat
Authors: Ellmers Toby J. , Cocks Adam J. , Young William R. 
Published: May 2019

Abstract

Objectives
Threats to balance, and subsequent increases in fall-related anxiety, can disrupt attentional processing during gait in older adults, leading to behavioral adaptations which may increase fall risk. However, limited research has investigated what changes in attention occur to contribute to these disruptions. The aim of this research was to describe changes in attention that occur during gait when older adults’ balance is threatened, while exploring how previous fall history and trait movement reinvestment (conscious monitoring and control of movement) also influence attention.

Methods
Forty older adults reported where they focus their attention when walking during two scenarios: (1) when they are relaxed and there is little risk of falling, and; (2) when their balance is threatened and they are anxious of falling.

Results
During the high-threat condition, participants reported greater attention towards movement processes, threats to balance, worries/disturbing thoughts and self-regulatory strategies, with less attention directed towards task-irrelevant thoughts. However, fall history influenced attentional focus, with fallers directing greater attention towards worries/disturbing thoughts. Contrary to predictions, trait movement reinvestment was not associated with attention directed towards movement processes.

Discussion
As processing worries/disturbing thoughts will likely reduce attentional resources available for effective postural control, we highlight this as one potential area to target interventions aimed at reducing the likelihood of repeated falling.
Essentialist modal rationalism
Authors: Goff Philip 
Published: May 2019

AbstractIt used to be thought that rational coherence and metaphysical possibility went hand in hand. Kripke and Putnam put a spanner in the works by proposing examples of propositions which seem to violate this principle. I will propose a nuanced form of modal rationalism consistent with the Kripke/Putnam cases. The rough idea is that rational coherence entails possibility when you grasp the essential nature of what you’re conceiving of.
A matter of trust
Authors: Gordon Scott 
Published: May 2019

As identity becomes the new perimeter, there is an ongoing trend that suggests that a ‘zero trust’ security model can augment conventionalfirewalls and VPNs to fortify an organisation's security posture. This movement towards more available access but with dynamic authorisation is growing asIT becomes more hybrid and applications migrate to the cloud. Prior requirements of forcing users to go through the corporate network – for example,using simple two-factor authentication registration – will change as well. This movement towards more available access but with dynamic authorisation is growing as ITbecomes more hybrid and applications migrate to the cloud. Prior requirements of forcing users to go through the corporate network will change as well.And software defined perimeter (SDP) technology can deliver the new trust models we need, argues Scott Gordon of Pulse Secure.
A New Era in Spatial Data Recording: Low-Cost GNSS
Authors: Hill Austin Chad , Limp Fred , Casana Jesse , Laugier Elise Jakoby , Williamson Malcolm 
Published: May 2019

AbstractArchaeologists have long recognized that precise three-dimensional coordinates are critical for recording objects and features across sites and landscapes. Traditionally, for relatively small areas, an optical transit or, more recently, an electronic distance measurement device (EDM) has been used to acquire these three-dimensional points. While effective, such systems have significant limitations in that they require a clear line of site. Real-time kinematic (RTK) GPS/GNSS systems (Global Positioning System/Global Navigation Satellite Systems) have been available for well over a decade, and can provide quick and accurate point measurements over a wide area without many of the limitation of older technologies. The cost of such systems, however, has generally been prohibitive for archaeologists, and so their use has been rare. Recently, a new generation of low-cost systems has become available, making this technology more accessible to a wider user base. This article describes the use, accuracy, and limitations of one such low-cost system, the Emlid Reach RS, to show why this is an important tool for archaeological fieldwork.
Exploring Archaeological Organizations’ Communication on Facebook: A Review of MOLA's Facebook Page
Authors: Kelpšienė Ingrida 
Published: May 2019

OVERVIEWMOLA (Museum of London Archaeology) is one of the leading archaeological companies in the UK. It provides professional archaeological services and implements award-winning community engagement programs with a high-profile online presence. Its Facebook page is an important communication channel, serving the organization in raising public awareness, reaching the widest audiences, and engaging with the community. MOLA has developed a strategic approach to its archaeological communication on Facebook by ensuring regular updates of its research and by providing rich archaeological content aligned with media campaigns of the most notable archaeological excavations. This strategy helps the organization build a steady and engaged community of interest. The use of social networks for public engagement, the possibilities of rapid dissemination, and the challenges of ensuring sustainable online participation via social networks resonate with major concerns discussed by different researchers in the field. This review explores MOLA's Facebook page, seeking to showcase how the archaeological organization communicates through Facebook on a day-to-day basis and to reveal how Facebook users react to different kinds of archaeological content through measurable metrics.
Clinical Course of Relapsing Remitting Multiple Sclerosis Post-Natalizumab
Authors: Fiander Maximillian D. J. , Bhan Virender , Stewart Samuel A. , Parks Natalie E. 
Published: May 2019

ABSTRACT:Natalizumab is an efficacious disease modifying therapy (DMT) for relapsing remitting multiple sclerosis (RRMS), often limited by risk of progressive multifocal leukoencephalopathy. We describe the clinical course of RRMS patients switched from natalizumab to another DMT. We identified all RRMS patients treated with natalizumab ≥3 months with JC virus antibody positivity who switched to another DMT. Overall, 84 individuals switched DMT with 57 (68%) beginning fingolimod. On fingolimod, survival without a relapse was 74% (55.8–85.6%) at 36 months and survival without disease progression was 78% (62.6–87.6%) at 36 months. In conclusion, fingolimod is an effective therapy post-natalizumab.
Subacute Phase After an Earthquake: An Even More Important Period
Authors: Gao Ping , Wang Yun-Dou 
Published: May 2019

ABSTRACTAn earthquake is a very common natural disaster. Numerous studies have focused on the acute phase, but studies concerning the subacute phase after an earthquake were very limited. This aroused more attention being paid to medical relief in the subacute phase, and this study elaborated on the division of the medical relief period and the definition of medical relief targets. More importantly, major types of disease were analyzed by reviewing the relevant published studies, which were identified by searching electronic databases. Findings suggested that the clear division of medical relief stage is vital for determining the priority of medical aid and allocating medical resources scientifically, and all concerned populations should be targeted for medical assistance. The focus of acute phase is injury (64.2%), and the subacute phase is disease (27.8% respiratory disease, 22.9% common disease, 12.5% wound/injury, 10.5% skin disease, 8.7% gynecological and pediatric disease, 8.5% digestive disease). However, due to the limited available studies, the included articles perhaps did not reflect the actual proportion of each type of disease. More studies are needed to better understand the proportion of different diseases in each phase of an earthquake.
Clustering of rapidly settling, low-inertia particle pairs in isotropic turbulence. Part 2. Comparison of theory and DNS
Authors: Rani Sarma L. , Dhariwal Rohit , Koch Donald L. 
Published: May 2019

Part 1 (Rani et al. J. Fluid Mech., vol. 871, 2019, pp. 450–476) of this study presented a stochastic theory for the clustering of monodisperse, rapidly settling, low-Stokes-number particle pairs in homogeneous isotropic turbulence. The theory involved the development of closure approximations for the drift and diffusion fluxes in the probability density function (p.d.f.) equation for the pair relative positions $\boldsymbol{r}$. In this part 2 paper, the theory is quantitatively analysed by comparing its predictions of particle clustering with data from direct numerical simulations (DNS) of isotropic turbulence containing particles settling under gravity. The simulations were performed at a Taylor micro-scale Reynolds number $Re_{\unicode[STIX]{x1D706}}=77.76$ for three Froude numbers $Fr=\infty ,0.052,0.006$, where $Fr$ is the ratio of the Kolmogorov scale of acceleration and the magnitude of gravitational acceleration. Thus, $Fr=\infty$ corresponds to zero gravity, and $Fr=0.006$ to the highest magnitude of gravity among the three DNS cases. For each $Fr$, particles of Stokes numbers in the range $0.01\leqslant St_{\unicode[STIX]{x1D702}}\leqslant 0.2$ were tracked in the DNS, and particle clustering quantified both as a function of separation and the spherical polar angle. We compared the DNS and theory values for the exponent $\unicode[STIX]{x1D6FD}$ characterizing the power-law dependence of clustering on separation. The $\unicode[STIX]{x1D6FD}$ from the $Fr=0.006$ DNS case are in reasonable agreement with the theoretical predictions obtained using the second drift closure (referred to as DF2). To quantify the anisotropy in clustering, we calculated the leading–order coefficient in the spherical harmonics expansion of the p.d.f. of pair relative positions. The coefficients predicted by the theory (DF2) again show reasonable agreement with those calculated from the DNS clustering data for $Fr=0.006$. However, we note that in spite of the high magnitude of gravity, the clustering is only marginally anisotropic both in DNS and theory. The theory predicts that the spherical harmonic coefficient scales with $\unicode[STIX]{x1D6FD}(=\unicode[STIX]{x1D6FD}_{2}St_{\unicode[STIX]{x1D702}}^{2})$, where $\unicode[STIX]{x1D6FD}_{2}$ is the ratio of the drift and diffusion flux coefficients. Since the drift flux, and thereby $\unicode[STIX]{x1D6FD}_{2}$, is seen to decrease with gravity for $St_{\unicode[STIX]{x1D702}}<1$, the anisotropy is also correspondingly diminished.
Knowledge Management in Brazil: What Governance Mechanisms are Needed to Boost Innovation?
Authors: Dávila Guillermo Antonio , Andreeva Tatiana , Varvakis Gregório 
Published: May 2019

ABSTRACTThe need to innovate is relevant to many firms around the globe and is particularly pressing for those in emerging markets. They face global competition, are under-resourced, and suffer from weaker institutional support. It is suggested that to innovate successfully in this context, indigenous firms would benefit from focusing on managing their current knowledge base more efficiently. We know little about how knowledge management works outside developed economies and which knowledge governance mechanisms have more influence than others in the context of emerging economies. To address this gap, we explore how context may matter for the use of knowledge governance mechanisms and their effect on innovation performance in Brazilian firms. Using the survey data of 109 firms, structural equation modelling, and cluster analysis, our findings suggest that the joint application of knowledge-focused rewards, organizational design, and information and communication technologies that support knowledge processes is critical for boosting innovation performance. We discuss how the peculiarities of the Brazilian context may shape these findings. Our article contributes to the knowledge management and innovation literature by demonstrating that the joint effects of bundles of knowledge governance mechanisms and contextual variables should be explored in order to understand their impact on organizational outcomes.
Spectral partitions for Sturm–Liouville problems
Authors: Tilli Paolo , Zucco Davide 
Published: May 2019

AbstractWe look for best partitions of the unit interval that minimize certain functionals defined in terms of the eigenvalues of Sturm–Liouville problems. Via Γ-convergence theory, we study the asymptotic distribution of the minimizers as the number of intervals of the partition tends to infinity. Then we discuss several examples that fit in our framework, such as the sum of (positive and negative) powers of the eigenvalues and an approximation of the trace of the heat Sturm–Liouville operator.
On the Unity of Orphic and Milesian Thought
Authors: Finkelberg Aryeh 
Published: May 2019

In the first volume ofA History of Greek PhilosophyW. K. C. Guthrie points out that “the promulgators ofteletaiin the name of Orpheus were concerned in the religious sphere with the same problem of the relation between the One and the Many which in a different form was the problem of the Milesian philosophers.” Elsewhere Guthrie provides a more detailed explanation of the similarities and differences between the Orphic and the Milesian treatment of the One-Many problem:Sixth-century religious and philosophical thought … was dominated by one central problem, the problem of the One and the Many. This appeared in two forms, one referring to the macrocosm, the other to the microcosm. In its first form it was the problem of the Milesian natural philosophers, who asked: “What is the relation between the manifold variety of the world in which we live and the one primary substance out of which, as we are convinced, it must in the first place have arisen?” In its second form it was the problem of the religious minds of the age. Their question was: “What is the relation of each individual man to the divine, to which we feel we are akin, and how can we best realize and actualize the potential unity which underlies the two?”
Copyright in Software and Data
Authors: Shalgi Moshe 
Published: May 2019

The advent of a new brand of intellectual creativity, which followed developments in computer technology, created a considerable body of proprietory interests in computer software and data. There was therefore a search for legal instruments to provide protection against unauthorized exploitation of the intellectual property in them.Several legal paths were attempted: contractual protection, patent law, trade secrets law and copyright. Of these, the current opinion is that copyright law is the most suitable instrument to protect rights in software and data.
Nathan Feinberg: A Tribute
Authors: Lapidoth Ruth 
Published: May 2019

Colleagues, students and admirers of Professor Nathan Feinberg take pleasure and pride in presenting this issue of the Israel Law Review to the great Maître on his 90th birthday, as a small token of our gratitude. We respect Professor Feinberg for his vast and deep knowledge in international law in general; we admire him for his particular expertise and contributions in the study of legal problems related to the Jewish people, to the Zionist cause and to the State of Israel; and we are grateful to him for the leading role he played in the establishment of the first faculty of law in this country, at the Hebrew University in Jerusalem.Nathan Feinberg was born in Kovno on June 6, 1895. His aptitude for learning was such that the severe numerus clausus did not prevent his admission to the Russian high school, from which he graduated with distinction in 1914. At the same time he was given a Jewish and Hebrew education privately. He then proceeded to the Faculty of Law of the University of Zurich, from which he graduated magna cum laude in 1918.
The Legality of the use of Armed Force by Israel in Lebanon—June 1982
Authors: Feinstein Barry A. 
Published: May 2019

The Government of the United States cannot be expected to suffer the indefinite continuance of existing lawless conditions along its border, which expose its citizens to maltreatment at the hands of ruffianly elements of the Mexican population, which their Government seems unable to control. …No violation of the national sovereignty of Mexico was intended by this expedition [into Mexico by United States troops to hunt down bandits]. It was despatched upon the hot trail of the bandits in question with the sole object of punishing them …, and of preventing future activities of a similar nature upon our frontier…United States Secretary of State Lansing, 26 August 1919The entrance of Israeli forces into Lebanon in June 1982 (“Operation Peace for Galilee”) raises far-reaching legal issues that transcend this particular occurrence. One of the issues raised in this context is the legality of the use of armed force by a State to counter terrorists directing their attacks against its citizens from the territory of another State. Israel considered the action it took against the Palestine Liberation Organization (PLO) in Lebanon to be legitimate self-defence, directed not against the territorial integrity of Lebanon, but rather against the armed PLO terrorists operating from it against Israel. Others viewed Israel's actions as aggression, and Israel as an invader violating Lebanon's sovereignty. This invasion, it was asserted, was contrary to international law.
A response to te Nijenhuiset al. (2019)
Authors: Flynn James R. 
Published: May 2019

AbstractTe Nijenhuiset al. (2019) cite studies that show that training on cognitive tasks produces the largest standardized gains on the easiest items and the smallest standardized gains on the most difficult items. They note that this creates an anti-Jensen effect, and use this as a trump that is supposed to show that my basketball examples are irrelevant. I use a new basketball example that is compatible with those studies. It assumes that at some point improvement on the easy skills ‘stalls’ – and all that is left is some improvement on the hard skills. Therefore, further environmental enhancement means the higher level skill gap is increased, which gives a classic Jensen effect, which shows that the presence of such does not entail genetic causality. The difference is that we really can produce virtually optimum basketball skills while for cognition, we are still well short. I also address the problem of why IQ gains over time do not show an anti-gpattern. After all, they are environmentally caused, and ‘should’ do so if an anti-gpattern and environmental causes go together.
Alterations of empathy in mothers with a history of early life maltreatment, depression, and borderline personality disorder and their effects on child psychopathology
Authors: Dittrich Katja , Bermpohl Felix , Kluczniok Dorothea , Hindi Attar Catherine , Jaite Charlotte , Fuchs Anna , Neukel Corinne , Herpertz Sabine C. , Brunner Romuald , Winter Sibylle Maria , Lehmkuhl Ulrike , Roepke Stefan , Kaess Michael , Heim Christine , Boedeker Katja 
Published: May 2019

AbstractBackgroundEarly life maltreatment (ELM), borderline personality disorder (BPD), and major depressive disorder (MDD) have been associated with empathy deficits in different domains. Lack of maternal empathy has also been related to child behavioral problems. As ELM, BPD, and MDD often co-occur, we aimed to identify dissociable effects on empathy due to these three factors. In addition, we aimed to investigate their indirect effects via empathy on child psychopathology.MethodsWe included 251 mothers with and without MDD (in remission), BPD and ELM and their children, aged 5–12. We used the Interpersonal Reactivity Index as a measure of empathy on four different dimensions (personal distress, empathic concern, perspective taking, and fantasy) and the Child Behavior Checklist as a measure of child psychopathology.ResultsHaving included all three factors (ELM, MDD, BPD) in one analysis, we found elevated personal distress in MDD and BPD, and lower levels of perspective-taking in BPD, but no effects from ELM on any empathy subscales. Furthermore, we found indirect effects from maternal BPD and MDD on child psychopathology, via maternal personal distress.ConclusionThe present study demonstrated the dissociable effects of maternal ELM, MDD, and BPD on empathy. Elevated personal distress in mothers with BPD and MDD may lead to higher levels of child psychopathology.
PARTITI SOCIALISTI E NUOVE DEMOCRAZIE NEL SUD EUROPA
Authors: Giner Salvador 
Published: May 2019

IntroduzionePiò di ogni altro animale politico, i socialisti vivono di speranze. Speranze, tuttavia, alle quali si è aggiunta una note-vole apprensione allorché governi socialisti hanno preso il potere nell'Europa del sud non molto dopo la caduta delle dittature in Grecia, Portogallo e Spagna. Successivi risultati elettorali in Francia, ed in Italia hanno fatto sì che con il 1983 l'intera Europa mediterranea si sia trovata ad essere guidata da governi maggioritari socialisti o da coalizioni governative dirette da premier socialisti.