cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Your Place in the World: Relative Income and Global Inequality
Creators: name: Fehr, Dietmar
name: Mollerstrom, Johanna
name: Perez-Truglia, Ricardo
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: There is abundant evidence on individual preferences for policies that reduce national inequality, but only little evidence on preferences for policies addressing global inequality. To investigate the latter, we conduct a two-year, face-to-face survey experiment on a representative sample of Germans. We measure how individuals form perceptions of their ranks in the national and global income distributions, and how those perceptions relate to their national and global policy preferences. We find that Germans systematically underestimate their true place in the world’s income distribution, but that correcting those misperceptions does not affect their support for policies related to global inequality.
title: 1. Teil (06.06.1991): Vorgespräch mit Frieder Gebhardt
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Kartographie
subject: VEB Hermann Haack
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
description: Vorgespräch mit Frieder Gebhardt, 1991
HybridMiner: Mining Maximal Frequent Itemsets Using Hybrid Database Representation Approach
Creators: name: Bashir, Shariq
name: Baig, Abdul Rauf
Publisher: name: arXiv
Year: 2009
Subjects: subject: Databases (cs.DB)
subject: Artificial Intelligence (cs.AI)
subject: Data Structures and Algorithms (cs.DS)
subject: FOS: Computer and information sciences

description: In this paper we present a novel hybrid (arraybased layout and vertical bitmap layout) database representation approach for mining complete Maximal Frequent Itemset (MFI) on sparse and large datasets. Our work is novel in terms of scalability, item search order and two horizontal and vertical projection techniques. We also present a maximal algorithm using this hybrid database representation approach. Different experimental results on real and sparse benchmark datasets show that our approach is better than previous state of art maximal algorithms.
description: 8 Pages In the proceedings of 9th IEEE-INMIC 2005, Karachi, Pakistan, 2005
Additional file 1 of Improve hot region prediction by analyzing different machine learning algorithms
Creators: name: Hu, Jing
name: Zhou, Longwei
name: Li, Bo
name: Zhang, Xiaolong
name: Chen, Nansheng
Publisher: name: figshare
Year: 2021
Subjects: subject: Artificial Intelligence and Image Processing
subject: FOS: Computer and information sciences

description: Additional file 1: Result of MRMR algorithm rank.
Heisenberg representation of nonthermal ultrafast laser excitation of magnetic precessions
Creators: name: Popova-Gorelova, Daria
name: Bringer, Andreas
name: Blügel, Stefan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We derive the Heisenberg representation of the ultrafast inverse Faraday effect that provides the time evolution of magnetic vectors of a magnetic system during its interaction with a laser pulse. We obtain a time-dependent effective magnetic operator acting in the Hilbert space of the total angular momentum that describes a process of nonthermal excitation of magnetic precessions in an electronic system by a circularly polarized laser pulse. The magnetic operator separates the effect of the laser pulse on the magnetic system from other magnetic interactions. The effective magnetic operator provides the equations of motion of magnetic vectors during the excitation by the laser. We show that magnetization dynamics calculated with these equations is equivalent to magnetization dynamics calculated with the time-dependent Schrödinger equation, which takes into account the interaction of an electronic system with the electric field of light. We model and compare laser-induced precessions of magnetic sublattices of an easy-plane and an easy-axis antiferromagnetic systems. Using these models, we show how the ultrafast inverse Faraday effect induces a net magnetic moment in antiferromagnets and demonstrate that a crystal field environment and the exchange interaction play essential roles for laser-induced magnetization dynamics even during the action of a pump pulse. Using our approach, we show that light-induced precessions can start even during the action of the pump pulse with a duration several tens times shorter than the period of induced precessions and affect the position of magnetic vectors after the action of the pump pulse.
description: Accepted to Phys. Rev. B
title: 4. Teil (06.06.1991): Vorgespräch mit Frieder Gebhardt
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Kartenherstellung
subject: Comuterkartographie
subject: politische Kartographie
subject: Schulgeographie
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
description: Vorgespräch mit Frieder Gebhardt, 1991
Pengajaran Pelafalan Bunyi-Bunyi Frikatif dengan Repetition Drill Untuk Siswa-Siswi SMP Negeri di Kawasan Teluk Tomini
Creators: name: Rahman Taufiqrianto Dako, Rusni Podungge, Haris Danial
name: Erfina Hasiru
Publisher: name: Zenodo
Year: 2024

description: Tujuan kegiatan pengabdian pada masyarakat adalah untuk mendekatkan diri kepada masyarakat sekaligus sebagai bentuk kepedulian dalam pembentukan karakter melalui pembelajaran bahasa. Secara khusus kegiatan ini adalah upaya untuk memudahkan siswa dalam pelafalan bunyi-bunyi frikatif  bahasa Inggris dengan sebuah teknik, yakni repetition drill. Pengajaran pelafalan bunyi-bunyi frikatif ditempuh dengan memberikan pasangan minimal untuk masing-masing bunyi frikatif. Target atau sasaran kegiatan pengabdian pada masyarakat ini adalah siswa-siswi kelas VII SekolahMenengah Pertama (SMP) Negeri 8 Kota Gorontalo yang berada di kawasan teluk Tomini. Sementara untuk luarannya adalah skill Pronunciation atau pelafalan yang harus dimiliki oleh siswa khususnya siswa-siswi sekolah menengah pertama. Hasil Kegiatan  menunjukkan bahwa repetition drilldengan pasangan minimal kata dapat  membantu siswa di dalam membangun skil individu dalam pelafalan bunyi-bunyi frikatif  bahasa Inggris. Para siswa sangat tertantang dan menyukai cara pelafalan bunyi-bunyi frikatif melalui repetition drill pasangan minimal kata.
Non-perturbative renormalization of three-quark operators
Creators: name: Göckeler, M.
name: Horsley, R.
name: Kaltenbrunner, T.
name: Nakamura, Y.
name: Pleiter, D.
name: Rakow, P. E. L.
name: Schäfer, A.
name: Schierholz, G.
name: Stüben, H.
name: Warkentin, N.
name: Zanotti, J. M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: High luminosity accelerators have greatly increased the interest in semi-exclusive and exclusive reactions involving nucleons. The relevant theoretical information is contained in the nucleon wavefunction and can be parametrized by moments of the nucleon distribution amplitudes, which in turn are linked to matrix elements of local three-quark operators. These can be calculated from first principles in lattice QCD. Defining an RI-MOM renormalization scheme, we renormalize three-quark operators corresponding to low moments non-perturbatively and take special care of the operator mixing. After performing a scheme matching and a conversion of the renormalization scale we quote our final results in the MSbar scheme at mu=2 GeV.
description: 49 pages, 3 figures
Demand Analysis With Supply-Side Rationing: An Application to the US Dialysis Market
Creators: name: Agarwal, Nikhil
name: Somaini , Paulo
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: Supply-side rationing is common in markets that do not rely exclusively on prices to determine allocation. Examples include matching markets for schools and colleges; entry-level labor markets; and healthcare services. In these cases, consumer choice sets are constrained endogeneously by supply-side admission policies induced by capacity constraints. We use a random utility model for consumer preferences and a reduced-form rationing rule for the supply side that can be derived from models of the examples described above. We study identification of this model, propose an estimator, and apply these methods to study admissions in the market for kidney dialysis in California. Our results establish identification of the model using two sets of instruments, one that only affects consumer preferences and the other that only affects the rationing rule. These results also suggest tests of supply-side rationing, which we apply to the dialysis market. We find that dialysis facilities are less likely to admit new patients when they have higher than normal caseload and that patients are more likely to travel further when nearby facilities, and high quality facilities in particular, have high caseloads. Finally, we use these data to estimate the preferences of consumers and the rationing rules used by facilities using a Gibbs’ sampler.
La diferencia de Baader con Hegel
Creators: name: Cuchillo, José Carlos Ibarra
Publisher: name: figshare
Year: 2021
Subjects: subject: Philosophy
subject: FOS: Philosophy, ethics and religion

description: Título original: THE DIFFERENCE OF BAADER FROM HEGELAutor: T. Davidson y KARL ROSENKRANZFuente: The Journal of Speculative Philosophy , 1868, Vol. 2, No. 1 (1868), pp. 55-56Publicado por: Penn State University Press
Dynamic Spatial General Equilibrium
Creators: name: Redding, Stephen
name: Liu, Ernest
name: Kleinman, Benny
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: We develop a dynamic spatial general equilibrium model with forward-looking investment and migration decisions. We characterize analytically the transition path of the spatial distribution of economic activity in response to shocks. We apply our framework to the reallocation of US economic activity from the Rust Belt to the Sun Belt from 1965-2015. We find slow convergence to steady-state, with US states closer to steady-state at the end of our sample period than at its beginning. We find substantial heterogeneity in the effects of local shocks, which depend on capital and labor dynamics, and the spatial and sectoral incidence of these shocks.
title: 5. Teil (06.06.1991): Vorgespräch mit Frieder Gebhardt
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Frieder Gebhardt
subject: Geschichtskarten
subject: Kartenfälschung
subject: Kartographiegeschichte
subject: politische Kartographie
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
description: Vorgespräch mit Frieder Gebhardt, 1991
Three new C21 steroidal glycosides isolated from Metaplexis japonica and their potential inhibitory effects on tyrosine protein kinases
Creators: name: Wang, Xu
name: Ma, Qing-Yun
name: Liu, Chen
name: Yang, Jia
name: Lv, Qing-Tao
name: Tian, Zhen-Hua
name: Jiang, Hai-Qiang
name: Rong, Rong
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Molecular Biology
subject: Pharmacology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: Three new steroidal glycosides, metapregnoside A–C (II–IV), together with one known compound, byzantionoside B (I), were isolated from the fresh whole herb of Metaplexis japonica by using high-speed countercurrent chromatography and semi-preparative liquid chromatography. Their structures and relative configurations were elucidated by spectroscopic methods including 1D NMR, 2D NMR and HR-ESI-MS. The potential targets of compound I–IV were identified by virtual screening. And the potential inhibitory effects of these compounds on tyrosine protein kinases were compared by molecular docking. Byzantionoside B (I) was the first isolated compound from Metaplexis genus. The docking score of metapregnoside C (IV) was the highest. And the sugar chain residues at position C-20 in the pregn-4-en-3-one derivatives is the main factor affecting their docking scores on tyrosine protein kinases Fes/Fps.
Number of Full-Time Employees of Farmer Cooperatives
Creators: name: Griffin, Nelda
name: Griffin, Nelda
Publisher: name: Unknown
Year: 1960
Subjects: subject: Agribusiness
subject: Labor and Human Capital
subject: Marketing
subject: FOS: Economics and business

description: Report Highlights: This report presents 1957 national estimates of full-time employees in 9,827 farmer marketing, farm supply, and related service cooperatives in the United States. This is the first time information of this nature has been provided for farmer cooperatives. The number of full-time employees that cooperatives require in their operations is dependent upon such factors as the nature of the business, seasonal or all-year operations, volume of business, the extent of economic integration, and the number of services or functions performed by them. The 9,827 associations employed a total of 141,000 persons on a full-time basis in 1957, or an average of 14 persons per association. Almost half of the associations had less than 5 full-time employees, and only 4 percent had 50 or more. Less than 2 percent of the associations had 100 or more full-time employees, while 1,000 or more persons were employed full-time by only 0.1 percent of the associations.
The Scattering Approach to the Casimir Force
Creators: name: Reynaud, S.
name: Canaguier-Durand, A.
name: Messina, R.
name: Lambrecht, A.
name: Neto, P. A. Maia
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present the scattering approach which is nowadays the best tool for describing the Casimir force in realistic experimental configurations. After reminders on the simple geometries of 1d space and specular scatterers in 3d space, we discuss the case of stationary arbitrarily shaped mirrors in electromagnetic vacuum. We then review specific calculations based on the scattering approach, dealing for example with the forces or torques between nanostructured surfaces and with the force between a plane and a sphere. In these various cases, we account for the material dependence of the forces, and show that the geometry dependence goes beyond the trivial {\it Proximity Force Approximation} often used for discussing experiments.
description: Proceedings of the QFEXT'09 conference (Oklahoma, 2009)
Assessing Motor Impairments in a Mouse Model of Perinatal Stroke Through Brain Mapping and Behaviour
Creators: name: Zhang, Sarah
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2020
Subjects: Behavioural neuroscience
Perinatal stroke
Optogenetics
Motor Mapping

description: Perinatal stroke, which occurs before or shortly after birth, may result in both beneficial and maladaptive plasticity in surviving tissue. However, current preclinical and clinical work have an unclear understanding on the relationship between functional outcome and neurophysiology. This thesis aims to dually characterize and correlate behaviour with cortical motor representations in a mouse model of perinatal stroke. On postnatal day 7, a unilateral photothrombotic stroke was produced in the primary motor cortex of Thy1-ChR2 mice. Sensorimotor function was evaluated in adulthood with a battery of behavioural tests. Subsequently, a transcranial window was implanted, and motor maps were created through optogenetic point stimulation. To evaluate the impact of skilled motor training on cortical reorganization, mapping was conducted before and after training on the single pellet reaching task. P7 stroke caused functional impairments across a battery of motor tasks, while both motor map size and movement latency were bilaterally impacted. Spontaneous limb use was positively correlated with map size of both hemispheres, but single pellet performance was only positively correlated with map size in the injured hemisphere. Following skilled motor training, both map size reductions and delayed latency was partially restored. Additionally, significant correlations between map size expansion and movement latency reduction following skilled motor training not only demonstrate that training-induced plasticity was beneficial, but also primarily mediated by the uninjured hemisphere. As the first study to conduct within-animal optogenetic motor mapping following perinatal stroke, we show that 1) perinatal stroke bilaterally impacts both cortical and descending aspects of the motor system, 2) the remaining movement sites in both the uninjured and injured hemispheres have a positive impact on functional outcome, and 3) skilled forelimb training can partially restore cortical and descending motor neurophysiology.
Where is Standard of Living the Highest? Local Prices and the Geography of Consumption
Creators: name: Diamond, Rebecca
name: Moretti, Enrico
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: There are large differences in mean income across US cities, but little is known about the levels of standard of living in each city—defined as the amount of market-based consumption that residents are able to afford. In this paper we provide estimates of standard of living by commuting zone for households in a given income or education group, and we study how they relate to local cost of living. Using a novel dataset, we observe all debit and credit card transactions, check and ACH payments, and cash withdraws of 5% of US households’ in 2014 and use it to measure mean consumption expenditures by commuting zone and income group. To measure local prices, we build income-specific consumer price indices by commuting zone. We uncover vast geographical differences in material standard of living for a given income level. Low income residents in the most expensive commuting zone enjoy a level of consumption that is about half that of low income residents in the most affordable commuting zone. In the second part of the analysis, we endogenize income and estimate the standard of living that low-skill and high-skill households can expect in each US commuting zone, once we account for geographical variation both in cost of living and also in expected income. We find that for college graduates, there is essentially no relationship between consumption and cost of living, suggesting that college graduates living in cities with high costs of living — including the most expensive coastal cities—enjoy a standard of living on average similar to college graduates with the same observable characteristics living in cities with low cost of living— including the least expensive Rust Belt cities. For high school graduates and high school drop outs we find a significant negative relationship between consumption and cost of living, indicating that expensive cities offer lower standard of living than more affordable cities. The differences are quantitatively large: High school drop outs moving from the most to the least affordable commuting zone would experience a 23.5% decline in consumption.
La infinita divisibilidad del espacio en Kant.
Creators: name: Cuchillo, José Carlos Ibarra
Publisher: name: figshare
Year: 2021
Subjects: subject: Philosophy
subject: FOS: Philosophy, ethics and religion

description: Título original: KANT ON THE INFINITE DIVISIBILITY OF SPACEAutor: John WatsonFuente: The Journal of Speculative Philosophy , 1868, Vol. 20, No. 2 (1886), pp. 219-221Publicado por: Penn State University Press
title: 6. Teil (06.06.1991): Vorgespräch mit Frieder Gebhardt
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Kartenlesekompetenz
subject: Kartographie (Ausbildung)
subject: Kartographie
subject: Kartographiegeschichte
subject: Verlagswesen
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
description: Vorgespräch mit Frieder Gebhardt, 1991
Reverse quenching in a one-dimensional Kitaev model
Creators: name: Divakaran, Uma
name: Dutta, Amit
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present an exact result for the non-adiabatic transition probability and hence the defect density in the final state of a one-dimensional Kitaev model following a slow quench of the parameter $J_-$, which estimates the anisotropy between the interactions, as $J_-(t)\sim -|t/τ|$. Here, time $t$ goes from $-\infty$ to $+\infty$ and $τ$ defines the rate of change of the Hamiltonian. In other words, the spin chain initially prepared in its ground state is driven by changing $J_-$ linearly in time up to the quantum critical point, which in the model considered here occurs at at $t=0$, reversed and then gradually decreased to its initial value at the same rate. We have thoroughly compared the reverse quenching with its counterpart forward quenching $i.e.,$ $J_-\sim t/τ$. Our exact calculation shows that the probability of excitations is zero for the wave vector at which the instantaneous energy gap is zero at the critical point $J_{-}=0$ as opposed to the maximum value of unity in the forward quenching. It is also shown that the defect density in the final state following a reverse quenching, we propose here, is nearly half of the defects generated in the forward quenching. We argue that the defects produced when the system reaches the quantum critical point gets redistributed in the wave vector space at the final time in case of reverse quenching whereas it keeps on increasing till the final time in the forward quenching. We study the entropy density and also the time evolution of the diagonal entropy density in the case of the reverse quenching and compare it with the forward case.
description: 10 pages, 8 figures, added references and details of calculations, Accepted in Phys. Rev.B
Using Learning to Predict Average Cooperation
Creators: name: Fudenberg, Drew
name: Karreskog, Gustav
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: cooperation
prisoner’s dilemma
risk dominance
predictive game theory

description: We predict cooperation rates across treatments in the experimental play of the indefinitely repeated prisoner’s dilemma using simulations of a simple learning model. We suppose that learning and the game parameters only influence play in the initial round of each supergame. Using data from 17 papers, we find that our model predicts out-of-sample cooperation at least as well as more complicated models with more parameters and harder-to-interpret machine learning algorithms. Our results let us predict how cooperation rates change with longer experimental sessions, and help explain past findings on the role of strategic uncertainty.
Janus solutions in M-theory
Creators: name: D'Hoker, Eric
name: Estes, John
name: Gutperle, Michael
name: Krym, Darya
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a one-parameter deformation of the AdS_{4} x S^{7} vacuum, which is a regular solution in M-theory, invariant under SO(2,2) x SO(4) x SO(4), and which preserves 16 supersymmetries. The solution corresponds to a holographic realization of a Janus-like interface/defect theory, despite the absence of a dilaton in M-theory. The 2+1-dimensional CFT dual results from the maximally symmetric CFT through the insertion of a dimension 2 operator which is localized along a 1+1-dimensional linear interface/defect, thereby partially breaking the superconformal symmetry. The solution admits a regular ABJM reduction to a quotient solution which is invariant under SO(2,2) x SO(4) x U(1)^2, preserves 12 supersymmetries, and provides a Janus-like interface/defect solution in ABJM theory.
description: 20 pages, 2 figures, pdflatex
Chandra Observations of the Radio Galaxy 3C 445 and the Hotspot X-ray Emission Mechanism
Creators: name: Perlman, Eric S.
name: Georganopoulos, Markos
name: May, Emily M.
name: Kazanas, Demosthenes
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present new {\it Chandra} observations of the radio galaxy 3C 445, centered on its southern radio hotspot. Our observations detect X-ray emission displaced upstream and to the west of the radio-optical hotspot. Attempting to reproduce both the observed spectral energy distribution (SED) and the displacement, excludes all one zone models. Modeling of the radio-optical hotspot spectrum suggests that the electron distribution has a low energy cutoff or break approximately at the proton rest mass energy. The X-rays could be due to external Compton scattering of the cosmic microwave background (EC/CMB) coming from the fast (Lorentz factor $Γ\approx 4$) part of a decelerating flow, but this requires a small angle between the jet velocity and the observer's line of sight ($θ\approx 14^{\circ}$). Alternatively, the X-ray emission can be synchrotron from a separate population of electrons. This last interpretation does not require the X-ray emission to be beamed.
description: 9 pages, 5 figures, ApJ, in press
The Negative Consequences of Loss-Framed Performance Incentives
Creators: name: Blank, Charlotte
name: Pierce, Lamar
name: Rees-Jones, Alex
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: Behavioral economists have proposed that incentive contracts result in higher productivity when bonuses are "loss framed" prepaid then clawed back if targets are unmet. We test this claim in a large-scale field experiment. Holding financial incentives fixed, we randomized the pre- or post-payment of sales bonuses at 294 car dealerships. Prepayment was estimated to reduce sales by5%, generating a revenue loss of $45 million over 4 months. We document, both empirically and theoretically, that negative effects of loss framing can arise due to an increase in incentives for "gaming" behaviors. Based on these claims, we reassess the common wisdom regarding the desirability of loss framing.
Feshbach-Einstein condensates
Creators: name: Rousseau, Valy G.
name: Denteneer, Peter J. H.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We investigate the phase diagram of a two-species Bose-Hubbard model describing atoms and molecules on a lattice, interacting via a Feshbach resonance. We identify a region where the system exhibits an exotic super-Mott phase and regions with phases characterized by atomic and/or molecular condensates. Our approach is based on a recently developed exact quantum Monte Carlo algorithm: the Stochastic Green Function algorithm with tunable directionality. We confirm some of the results predicted by mean-field studies, but we also find disagreement with these studies. In particular, we find a phase with an atomic but no molecular condensate, which is missing in all mean-field phase diagrams.
description: 4 pages, 6 figures
Magnetoresistive junctions based on epitaxial graphene and hexagonal boron nitride
Creators: name: Yazyev, Oleg V.
name: Pasquarello, Alfredo
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We propose monolayer epitaxial graphene and hexagonal boron nitride (h-BN) as ultimate thickness covalent spacers for magnetoresistive junctions. Using a first-principles approach, we investigate the structural, magnetic and spin transport properties of such junctions based on structurally well defined interfaces with (111) fcc or (0001) hcp ferromagnetic transition metals. We find low resistance area products, strong exchange couplings across the interface, and magnetoresistance ratios exceeding 100% for certain chemical compositions. These properties can be fine tuned, making the proposed junctions attractive for nanoscale spintronics applications.
description: 5 pages
La voluntad entristecida. O de la muerte del otro como fenómeno estético y de lo obsoleto como el conocimiento más libre.
Creators: name: Cuchillo, José Carlos Ibarra
Publisher: name: figshare
Year: 2021
Subjects: subject: Philosophy
subject: FOS: Philosophy, ethics and religion

description: Ensayo filosófico que explora una nueva concepción de lo bello obsoleto.
title: 1. Teil (06.06.1991): Vorgespräch mit Stephan Justus Perthes
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Justus Perthes Verlag Gotha
subject: Justus Perthes Verlag Darmstadt
subject: Treuhandanstalt
subject: VEB Hermann Haack
subject: Verlagswesen
subject: Wende in der DDR
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
description: Vorgespräch mit Stephan Justus Perthes, 1991
Supplementary Material for the Publication "Towards Personalized Explanations for AI Systems: Designing a Role Model for Explainable AI in Auditing"
Creators: name: Rebstadt, Jonas
name: Remark, Florian
name: Fukas, Philipp
name: Meier, Pascal
name: Thomas, Oliver
Publisher: name: Zenodo
Year: 2021

description: Supplementary Material for the Publication “Towards Personalized Explanations for AI Systems: Designing a Role Model for Explainable AI in Auditing”
Rethinking the Welfare State
Creators: name: Guner, Nezih
name: Kaygusuz, Remzi
name: Ventura , Gustavo
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: taxes and transfers
household labor supply
income risk
negative income tax

description: The U.S. spends non trivially on non-medical transfers for its working-age population in a wide range of programs that support low and middle-income households. How valuable are these programs for U.S. households? Are there simpler, welfare-improving ways to transfer resources that are supported by a majority? What are the macroeconomic effects of such alternatives? We answer these questions in an equilibrium, life-cycle model with single and married households who face idiosyncratic productivity risk, in the presence of costly children and potential skill losses of females associated with non-participation. Our findings show that a potential revenue-neutral elimination of the welfare state generates large welfare losses in the aggregate. Yet, most households support eliminating current transfers since losses are concentrated among a small group. We find that a Universal Basic Income program does not improve upon the current system. If instead per-person transfers are implemented alongside a proportional tax, a Negative Income Tax experiment, there are transfer levels and associated tax rates that improve upon the current system. Providing per-person transfers to all households is quite costly, and reducing tax distortions helps to provide for additional resources to expand redistribution.
Motif of the prodigal son in Rembrandt's art
Creators: name: Kruschen, Franziska Margarete Leopoldine
Publisher: name: University of British Columbia
Year: 2011

description: The following study presents a visual analysis of those works by Rembrandt associated with the Prodigal Son story. Essentially, they depict one of two episodes from that story; the Prodigal Son among the harlots in the tavern and his return to his father's house. Tumpel, in his dissertation of 1968, parts of which have been published in the Nederlands Kunsthistorisch Jaarboek of 1969, has presented the thesis that Rembrandt's interpretation of the Bible was not as subjective as had been previously supposed, but was, in fact heavily dependent on graphic works of the 16th and 17th Centuries, which represent the new Baroque iconography. The painting in the Dresden Gemäldegalerie, of himself dressed as a cavalier with a woman on his knee, which at once represents a double portrait and a scene of the Prodigal Son in the tavern, is in its imagery strongly rooted in a northern tradition of moralistic tavern scenes. This tradition begins with paintings, such as Lucas van Leyden's "Cardplayers", in Munich, dated c. 1520, or Van Hemessen's "Prodigal Son", signed and dated 1536, in the Brussel's Museum. While Rembrandt's painting represents a scene from the Biblical story, its importance lies not in its narrative aspect, but in its moralistic message. Rembrandt, in his depiction of the Prodigal Son's return, both in his 1636 etching and in his later painting in the Hermitage is again within a well established pictorial tradition, popular particularily in Counter-Reformation Italy, but found also in Northern graphic works. Rembrandt uses a graphic example as a direct prototype for his etching. The changes that he makes in his model are, however, significant, for they suggest a conscious attempt to redefine its iconographic implications. The Hermitage painting incorporates even greater changes. In it he has placed a far greater emphasis on the union of father and son, by his choice of composition, the lighting and by the expressions of peace and serenity in the faces of the two figures. He has also placed an unprecedented importance on a third figure; a standing figure, dressed in red, to the right of the main group, whose relationship to that group is, however, ambiguous. He is possibly the older brother. His attribution to Rembrandt, as well as that of the other surrounding figures, has been questioned. The changes may express Rembrandt's personal religious orientation, although more definite conclusions on the painting's subject are, at this moment, immature.
Rapid production of $^{87}$Rb BECs in a combined magnetic and optical potential
Creators: name: Lin, Y. -J.
name: Perry, A. R.
name: Compton, R. L.
name: Spielman, I. B.
name: Porto, J. V.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We describe an apparatus for quickly and simply producing $\Rb87$ Bose-Einstein condensates. It is based on a magnetic quadrupole trap and a red detuned optical dipole trap. We collect atoms in a magneto-optical trap (MOT) and then capture the atom in a magnetic quadrupole trap and force rf evaporation. We then transfer the resulting cold, dense cloud into a spatially mode-matched optical dipole trap by lowering the quadrupole field gradient to below gravity. This technique combines the efficient capture of atoms from a MOT into a magnetic trap with the rapid evaporation of optical dipole traps; the approach is insensitive to the peak quadrupole gradient and the precise trapping beam waist. Our system reliably produces a condensate with $N\approx2\times10^6$ atoms every $16\second$.
Land-Use Regulation and Economic Development: Evidence from the Farmland Red Line Policy in China
Creators: name: Yu, Yue
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: This paper studies the distortionary effects of land-use regulations that preserve farmland from urban sprawl. I exploit a major policy restricting farm-to-urban land conversion in China - the Farmland Red Line Policy - to provide causal evidence on the negative impact of land-use regulation on local development, measured by GDP and population growth. To understand the aggregate impact of the policy, I develop a quantitative spatial equilibrium model that features endogenous land-use decisions. The calibrated model reveals that the welfare of workers would have been 6% higher in 2010 if the policy had not been implemented.
A Competitive Search Theory of Asset Pricing
Creators: name: Kargar, Mahyar
name: Passadore, Juan
name: Silva, Dejanir
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: asset pricing
competitive search
market liquidity
perturbation methods

description: We develop an asset-pricing model with heterogeneous investors and search frictions. Trade is intermediated by risk-neutral dealers subject to capacity constraints. Risk-averse investors can direct their search towards dealers based on price and execution speed. Order flows affect the risk premium, volatility, and equilibrium interest rate. We propose a new solution method to characterize the equilibrium analytically. We assess the quantitative implications of the model in response to a large adverse shock. Consistent with the empirical evidence from the COVID-19 crisis, we find an increase in the risk premium and market illiquidity, and a decline in interest rates.
First-Principles Electronic Structure of Solid Picene
Creators: name: Kosugi, Taichi
name: Miyake, Takashi
name: Ishibashi, Shoji
name: Arita, Ryotaro
name: Aoki, Hideo
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: To explore the electronic structure of the first aromatic superconductor, potassium-doped solid picene which has been recently discovered by Mitsuhashi et al with the transition temperatures $T_c=7 - 20$ K, we have obtained a first-principles electronic structure of solid picene as a first step toward the elucidation of the mechanism of the superconductivity. The undoped crystal is found to have four conduction bands, which are characterized in terms of the maximally localized Wannier orbitals. We have revealed how the band structure reflects the stacked arrangement of molecular orbitals for both undoped and doped (K$_3$picene) cases, where the bands are not rigid. The Fermi surface for K$_3$picene is a curious composite of a warped two-dimensional surface and a three-dimensional one.
description: 5 pages, 4 figures
Macro-Finance Decoupling: Robust Evaluations of Macro Asset Pricing Models
Creators: name: Cheng, Xu
name: Dou, Winston Wei
name: Liao, Zhipeng 
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: structural asset pricing
conditional inference
rare disasters
long-run risk
weak identification
model uncertainty

description: This paper shows that robust inference under weak identification is important to the evaluation of many influential macro asset pricing models, including long-run risk models and (time-varying) rare-disaster risk models. Building on recent developments in the conditional inference literature, we provide a novel conditional specification test by simulating the critical value conditional on a sufficient statistic. This sufficient statistic can be intuitively interpreted as a measure capturing the macroeconomic information decoupled from the underlying content of asset pricing theories. Macro-finance decoupling is an effective way to improve the power of the specification test when asset pricing theories are difficult to refute because of a severe imbalance in the information content about the key model parameters between macroeconomic moment restrictions and asset pricing cross-equation restrictions. For empirical application, we apply the proposed conditional specification test to evaluate a time-varying rare-disaster risk model and construct data-driven robust model uncertainty sets.
Do Lenders Still Discriminate? A Robust Approach for Assessing Differences in Menus
Creators: name: Willen, Paul
name: Zhang, David
Publisher: name: Stanford Digital Repository
Year: 2022
Subjects: economics

description: Motivated by the assessment of racial discrimination in mortgage pricing, we introduce a new methodology for comparing the menus of options borrowers face based on their choices. First, we show how standard regression based approaches for assessing discrimination in menus can lead to misleading and contradictory results. Second, we propose a new methodology that is robust these problems based on relatively weak economic assumptions. More specifically, we use pairwise dominance relationships in choices supplemented by restrictions on the range of plausible menus to define (1) a test statistic for equality in menus and (2) a difference in menus (DIM) metric for assessing whether one group of borrowers would prefer to switch to another group’s menus. Our statistics are robust to arbitrary heterogeneity in borrower preferences across racial groups, are sharp in terms of identification, and can be efficiently computed using Optimal Transport methods. Third, we devise a new approach for inference on the value of Optimal Transport problems based on directional differentiation. Fourth, we use our methodology to estimate mortgage pricing differentials by race on a novel data set linking 2018–2019 Home Mortgage Disclosure Act (HMDA) data to Optimal Blue rate locks. We find robust evidence for mortgage pricing differentials by race, particularly among Conforming mortgage borrowers who are relatively creditworthy.
Reaching the equilibrium state of frustrated triangular Ising magnet Ca3Co2O6
Creators: name: Nekrashevich, Ivan
name: Ding, Xiaxin
name: Balakirev, Fedor
name: Yi, Hee Taek
name: Cheong, Sang-Wook
name: Civale, Leonardo
name: Kamiya, Yoshitomo
name: Zapf, Vivien S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: Ca3Co2O6 is a frustrated magnet consisting of a triangular arrangement of chains of Ising spins. It shows regular magnetization steps vs magnetic field every 1.2 T that are metastable with very slow dynamics. This has puzzled the community for many years and given rise to numerous potential theories. Here we approach the problem by seeking the elusive magnetic equilibrium state at T = 2 K. To this end, we explore two approaches: (1) bypassing the slow dynamics produced by changing fields by instead field-cooling directly to the target temperature, and (2) quantum annealing in transverse magnetic fields. While we observe no measurable effect of the quantum annealing in fields up to 7 T, which is likely due to the large Ising anisotropy of Co spins in this material, we find that for the field cooling in longitudinal fields we achieve the predicted equilibrium 1/3 magnetization. We perform Monte Carlo simulations of the ground state phase diagram and we also simulate the quantum annealing process and find good agreement between experiment and theory. Thus we present an investigation of the elusive ground state properties of the canonical frustrated triangular system Ca3Co2O6.
title: Vorgespräch mit Rudolf Habel, 1991
Creators: name: Forschungsbibliothek Gotha
Publisher: name: Universität Erfurt
Year: 2019
Subjects: subject: Alexander Rado
subject: Atlaskartographie
subject: DDR-Schulatlas
subject: Geopolitik
subject: Haack Weltatlas
subject: Hermann Haack
subject: Johannes Flicek
subject: Justus Perthes Verlag Gotha
subject: Kartenlesekompetenz
subject: Kartographie
subject: Kartographie (Ausbildung)
subject: Kartographiegeschichte
subject: Kriegsverluste
subject: politische Kartographie
subject: Rudolf Habel (Biographisches)
subject: Sammlung Perthes Gotha
subject: Schulgeographie
subject: Schulwandkarten
subject: thematische Kartographie
subject: VEB Hermann Haack
subject: Verlagsgeschichte Perthes
subject: Westermann-Verlag
subject: Verlagswesen
subject: Projekt Kartenmacher aus Gotha
subject: 900

description: Projekt „Die Kartenmacher aus Gotha“: Audiovisuelles Rohmaterial 1959-2015
NIR/Optical Counterparts of Hotspots in Radio Galaxies
Creators: name: Mack, K. -H.
name: Prieto, M. A.
name: Brunetti, G.
name: Orienti, M.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present new high spatial resolution VLT and VLA observations of a sample of nine low-power (P_{1.4 GHz} < 10^{25} W/Hz) radio hotspots. Infrared/optical emission is definitely detected in four of the nine observed objects, resulting in a detection rate of at least 45%. This emission is interpreted as synchrotron radiation from the electrons accelerated in the hot spots. The integrated spectra of these hotspots reveal typical break frequencies between 10^5 and 10^6 GHz, two orders of magnitude higher than typically found in high-power hotspots. This supports the idea that in low-power hotspots with their relatively low magnetic field strengths electrons emit most of their energy at higher frequencies. A simple spectral ageing analysis would imply that the emitting electrons have been injected into the hotspot volume less than ~10^3 years ago. We discuss possible scenarios to explain the lack of older electrons in the hotspot region. In particular, the extended morphology of the NIR/optical emission would suggest that efficient re-acceleration mechanisms rejuvenate the electron populations.
description: paper accepted for publication in MNRAS, 11 figures, 5 tables. The definitive version is available at www.blackwell-synergy.com
title: A handbook for transnational Samoan Matai (Chiefs) = Tusifaitau o Matai fafo o Samoa
title: Tusifaitau o Matai fafo o Samoa
titleType: AlternativeTitle
Creators: name: Anae, Melani
name: Peterson, Ingrid
Publisher: name: Macmillan Brown Centre for Pacific Studies, University of Canterbury
Year: 2020

description: Pacific Dynamics: Journal of Interdisciplinary Research (ISSN: 2463-641X ), Special Issue, August 2020.
description: This special issue will mark the 58th anniversary of Samoa’s Independence
from New Zealand on 1 January 1962 and a celebration of the Transnational
Faamatai Symposium that was held in November 2017, Auckland, Aotearoa,
New Zealand, the first ever Symposium on global Samoan chiefs and the
chiefly system. The two day event was hosted by the University of Auckland
as part of Lupematasila Misatauveve Dr Melani Anae’s Marsden Project
‘Transnational matai (chiefs): ancestor god avatars or merely title-holders?’
funded by the Royal Society of New Zealand. Members of her team included
Seulupe Dr Falaniko Tominiko, Muliagatele Vavao Fetui and Malepeai Dr
Ieti Lima with emerging researchers Karen Mangnall, Seugalupemaalii Ingrid
Peterson, Seira Aukuso-Su’e, Tiresa Poe, and Natalie Leitulagi Toevai. One
of her team members, Muliagatele Vavao Fetui is writing the very first PhD
Thesis in the Samoan language, based on this Marsden research project, and
it will be the inaugural PhD Thesis written in Samoan at the University of
Auckland and in New Zealand. The title of his thesis is ‘O Toe Laumeanuti
o le Fa’aaloalo I Agatausili a Samoa I Atualuga (Notions of politeness and
respect in a Samoan transnational community), and it will be submitted at
the end of 2020.
The Symposium provided a timely opportunity to produce the very first
publication written by Samoan matai and transnational matai themselves,
partly because for a long time, we have watched others write our story, and
as a result, actively reinterpret and suppress our Samoan indigenous
knowledges and experiences. It also provided a critical mass and valuable
contributions to the experiences of transnational matai to date. For the first
time ever, matai from Samoa and in the transnational space were able to
come together and provide knowledge and scholarship on faamatai, often
obscured in mainstream journals and publications. Diverse perspectives and
indigenous knowledges can contribute new knowledge and new approaches
to research. It is hoped that the diverse perspectives in this Handbook
stimulate new ideas and development. Relating theory and practice in new
ways and undertaking research collaboratively in, across, and beyond
academia and knowledges will not only inspire new research directions, but
will also initiate change amongst the communities of knowledge represented
by the Symposium contributors and empowerment for Samoan diaspora
communities – especially readers who are transnational suli (matai-inwaiting).
-From the Introduction by Lupematasila Misatauveve Melani Anae.