cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Viscous Effects on the Interaction between the Coplanar Decretion Disc and the Neutron Star in Be/X-Ray Binaries
Creators: name: Okazaki, A. T.
name: Bate, M. R.
name: Ogilvie, G. I.
name: Pringle, J. E.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the viscous effects on the interaction between the coplanar Be-star disc and the neutron star in Be/X-ray binaries, using a three-dimensional, smoothed particle hydrodynamics code. For simplicity, we assume the Be disc to be isothermal at the temperature of half the stellar effective temperature. In order to mimic the gas ejection process from the Be star, we inject particles with the Keplerian rotation velocity at a radius just outside the star. Both Be star and neutron star are treated as point masses. We find that the Be-star disc is effectively truncated if the Shakura-Sunyaev viscosity parameter alpha_SS >> 1, which confirms the previous semi-analytical result. In the truncated disc, the material decreted from the Be star accumulates, so that the disc becomes denser more rapidly than if around an isolated Be star. The resonant truncation of the Be disc results in a significant reduction of the amount of gas captured by the neutron star and a strong dependence of the mass capture rate on the orbital phase. We also find that an eccentric mode is excited in the Be disc through direct driving due to a one-armed bar potential of the binary. The strength of the mode becomes greater in the case of a smaller viscosity. In a high-resolution simulation with alpha_SS=0.1, the eccentric mode is found to precess in a prograde sense. The mass capture rate by the neutron star modulates as the mode precesses.
description: 15 pages, including 20 figures and 1 table, accepted for publication in MNRAS
Additional file 1 of Synthesis of iridium-based nanocomposite with catalase activity for cancer phototherapy
Creators: name: Wu, Hang
name: Jiang, Qi
name: Luo, Keyi
name: Zhu, Chunping
name: Xie, Mengmeng
name: Wang, Shige
name: Fei, Zhewei
name: Zhao, Jiulong
Publisher: name: figshare
Year: 2021
Subjects: Biochemistry
Space Science
Medicine
Pharmacology
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Cancer
Computational Biology

description: Additional file 1. 1. Materials. 2. Characterization of IrO2@MSN@PDA-BSA NPs. Fig. S1. (a) The TEM images of IrO2@MSN@PDA-BSA NPs; (b) the corresponding size distributions of IrO2-PVP nanoparticles. Fig. S2. EDS spectra of IrO2@MSN@PDA-BSA NPs. Fig. S3. FTIR spectra of PVP, PDA, and IrO2@MSN@PDA-BSA NPs. Fig. S4. Release of Ce6 from IrO2@MSN@PDA-BSA(Ce6) NPs. Fig. S5. Variation of the dissolved oxygen (DO) content at different pH values (pH 6.0 and 7.4). Fig. S6. Routine blood test of IrO2@MSN@PDA-BSA(Ce6) treated KM mice fed for different days.
Pseudoscalar transition form factors and the hadronic light-by-light contribution to the anomalous magnetic moment of the muon from holographic QCD
Creators: name: Leutgeb, Josef
name: Mager, Jonas
name: Rebhan, Anton
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We revisit the predictions for the pseudoscalar-photon transition form factors in bottom-up and top-down holographic QCD models which only use the pion decay constant and the $ρ$ meson mass as input. We find remarkable agreement with the available experimental data for the single-virtual $π^0$ form factor that have recently been extended to lower momenta by BESIII, down to 0.3 GeV$^2$. The bottom-up models moreover turn out to be roughly consistent with recent experimental results obtained by BaBar for the double-virtual $η'$ form factor at large momenta as well as with a recent lattice extrapolation for the double-virtual $π^0$ form factor. Calculating the pion pole contribution to the hadronic light-by-light scattering in the anomalous magnetic moment of the muon, we find that the bottom-up models in question span the range $a_μ^{π^0}=6.1(4)\cdot 10^{-10}, which is somewhat lower than estimated previously by approximating these holographic predictions through simple interpolators, and in remarkably good agreement with recent results based on a dispersive approach or lattice simulations.
description: 19 pages, 5 figures, 2 tables; v3: detailed comparison with dispersive approach added, one more figure and several more references; v4: typo in acknowledgments fixed; v5: extended discussion of eta' contribution (version to appear in PRD); v6: corrected $a_\mu$ results for the HW1 model (erratum to appear in PRD), which improves agreement with dispersive results - figures unaffected
Closed measure zero sets
Creators: name: Bartoszynski, Tomek
name: Shelah, Saharon
Publisher: name: arXiv
Year: 1999
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics

description: We study the relationship between the sigma-ideal generated by closed measure zero sets and the ideals of null and meager sets. We show that the additivity of the ideal of closed measure zero sets is not bigger than covering for category. As a consequence we get that the additivity of the ideal of closed measure zero sets is equal to the additivity of the ideal of meager sets.
Spatiotemporal Mapping of Photocurrent in a Monolayer Semiconductor Using a Diamond Quantum Sensor
Creators: name: Zhou, Brian B.
name: Jerger, Paul C.
name: Lee, Kan-Heng
name: Fukami, Masaya
name: Mujid, Fauzia
name: Park, Jiwoong
name: Awschalom, David D.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The detection of photocurrents is central to understanding and harnessing the interaction of light with matter. Although widely used, transport-based detection averages over spatial distributions and can suffer from low photocarrier collection efficiency. Here, we introduce a contact-free method to spatially resolve local photocurrent densities using a proximal quantum magnetometer. We interface monolayer MoS2 with a near-surface ensemble of nitrogen-vacancy centers in diamond and map the generated photothermal current distribution through its magnetic field profile. By synchronizing the photoexcitation with dynamical decoupling of the sensor spin, we extend the sensor's quantum coherence and achieve sensitivities to alternating current densities as small as 20 nA per micron. Our spatiotemporal measurements reveal that the photocurrent circulates as vortices, manifesting the Nernst effect, and rises with a timescale indicative of the system's thermal properties. Our method establishes an unprecedented probe for optoelectronic phenomena, ideally suited to the emerging class of two-dimensional materials, and stimulates applications towards large-area photodetectors and stick-on sources of magnetic fields for quantum control.
description: 19 pages, 4 figures
Impact of mechanical bonding on the redox-switching of tetrathiafulvalene in crown ether–ammonium [2]rotaxanes
Creators: name: Schroeder, Hendrik V.
name: Sobottka, Sebastian
name: Noessler, Maite
name: Hupatz, Henrik
name: Gaedke, Marius
name: Sarkar, Biprajit
name: Schalley, Christoph A.
Publisher: name: Freie Universität Berlin
Year: 2017
Subjects: subject: 500 Naturwissenschaften und Mathematik::540 Chemie

description: Switchable crown ether–ammonium [2]rotaxanes with a redox-active tetrathiafulvalene (TTF) unit implemented in their wheels were synthesised and fully characterised. Reversible operation in two modes is possible, in which the [2]rotaxane's axle is either charged or neutral. Cyclic voltammetry experiments reveal the effects of mechanical bonding on the electrochemical properties of TTF and show the [2]rotaxanes to perform a distinct function in both modes. In the charged mode, redox-switching is dominated by strong electrostatic repulsion in the [2]rotaxane which subsequently leads to a macrocycle translation along the axle. In the non-charged mode, a selective energetic stabilisation of TTF radical cations is observed, which can be attributed to an interplay of weak electrostatic interactions between wheel and axle.
Nematic-orbit coupling and nematic density waves in spin-1 condensates
Creators: name: Lao, Di
name: Raman, Chandra
name: de Melo, C. A. R. Sá
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: We propose the creation of artificial nematic-orbit coupling in spin-1 Bose-Einstein condensates, in analogy to spin-orbit coupling. Using a suitably designed microwave chip, the quadratic Zeeman shift, normally uniform in space, can be made to be spatio-temporally varying, leading to a coupling between spatial and nematic degrees of freedom. A phase diagram is explored where three quantum phases with the nematic order emerge: easy-axis, easy-plane with single-well and easy-plane with double well structure in momentum space. By including spin-dependent and spin-independent interactions, we also obtain the low energy excitation spectra in these three phases. Lastly, we show that the nematic-orbit coupling leads to a periodic nematic density modulation in relation to the period $λ_T$ of the cosinusoidal quadratic Zeeman term. Our results point to the rich possibilities for manipulation of tensorial degrees of freedom in ultracold gases without requiring Raman lasers, and therefore, obviating light-scattering induced heating.
description: 17 pages, 4 figures
High-resolution digital soil mapping of multiple soil properties: an alternative to the traditional field survey?
Creators: name: Trevan Flynn
name: Clercq, Willem De
name: Rozanov, Andrei
name: Clarke, Cathy
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biophysics
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Inorganic Chemistry
subject: Plant Biology

description: Spatial information on soil particle size distribution and soil organic carbon (SOC) are important for land-use management, environmental models and policy-making. Digital soil mapping (DSM) techniques can quantitatively predict these soil properties using minimal resources. However, DSM has not been adequately evaluated at the farm-scale. The aim of this study was to optimise the DSM framework to produce farm-scale soil maps for 366 ha in the Sandspruit catchment, Western Cape, South Africa. Four feature selection techniques and eight predictive models were evaluated on their ability to predict particle size distribution and SOC. A boosted linear feature selection produced the highest accuracy for all but one soil property. The top-performing predictive models were robust linear models for gravel (ridge regression, RMSE 9.01%, R 2 0.75), sand (support vector machine, RMSE 4.69%, R 2 0.67), clay (quantile regression, RMSE 2.38%, R 2 0.52) and SOC (ridge regression, RMSE 0.19%, R 2 0.41). Random forest was the best predictive model for silt content (RMSE 4.12%, R 2 0.53). This approach appears to be robust for farm-scale soil mapping where the number of observations is often small but high-resolution soil data are required.
Voyage de l'ambassade de la Compagnie des Indes orientales hollandaises, vers l'empereur de la Chine, dans les années 1794 & 1795: ou se trouve la Description de plusieurs parties de la Chine inconnues aux Européens, & que cette ambassade à donné l'occasion de traverser WF00031D
Creators: name: Admin, Textcourt
Publisher: name: University of Oxford
Year: 2025
Subjects: classificationCode: 430301
subject: Asian history

description: Launched on 1 October 2019 at the University of Oxford, TEXTCOURT: Linking the Textual Worlds of Chinese Court Theater, ca. 1600-1800 is a five-year research project that has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 819953).
An X-ray investigation of the NGC346 field in the SMC (1) : the LBV HD5980 and the NGC346 cluster
Creators: name: Naze, Y.
name: Hartwell, J. M.
name: Stevens, I. R.
name: Corcoran, M. F.
name: Chu, Y. -H.
name: Koenigsberger, G.
name: Moffat, A. F. J.
name: Niemela, V. S.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present results from a Chandra observation of the NGC346 cluster. This cluster contains numerous massive stars and is responsible for the ionization of N66, the most luminous HII region and the largest star formation region in the SMC. In this first paper, we will focus on the characteristics of the main objects of the field. The NGC346 cluster itself shows only relatively faint X-ray emission (with L_X^{unabs} ~ 1.5 times 10^{34} erg s^{-1}), tightly correlated with the core of the cluster. In the field also lies HD5980, a LBV star in a binary (or possibly a triple system) that is detected for the first time at X-ray energies. The star is X-ray bright, with an unabsorbed luminosity of L_X^{unabs} ~ 1.7 times 10^{34} erg s^{-1}, but needs to be monitored further to investigate its X-ray variability over a complete 19d orbital cycle. The high X-ray luminosity may be associated either with colliding winds in the binary system or with the 1994 eruption. HD5980 is surrounded by a region of diffuse X-ray emission, which is a supernova remnant. While it may be only a chance alignment with HD5980, such a spatial coincidence may indicate that the remnant is indeed related to this peculiar massive star.
description: 12 pages, 9 figures (3 in jpg and 6 in ps), to be published in ApJ
Neural ensemble decoding for topological quantum error-correcting codes
Creators: name: Sheth, Milap
name: Jafarzadeh, Sara Zafar
name: Gheorghiu, Vlad
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Topological quantum error-correcting codes are a promising candidate for building fault-tolerant quantum computers. Decoding topological codes optimally, however, is known to be a computationally hard problem. Various decoders have been proposed that achieve approximately optimal error thresholds. Due to practical constraints, it is not known if there exists an obvious choice for a decoder. In this paper, we introduce a framework which can combine arbitrary decoders for any given code to significantly reduce the logical error rates. We rely on the crucial observation that two different decoding techniques, while possibly having similar logical error rates, can perform differently on the same error syndrome. We use machine learning techniques to assign a given error syndrome to the decoder which is likely to decode it correctly. We apply our framework to an ensemble of Minimum-Weight Perfect Matching (MWPM) and Hard-Decision Re-normalization Group (HDRG) decoders for the surface code in the depolarizing noise model. Our simulations show an improvement of 38.4%, 14.6%, and 7.1% over the pseudo-threshold of MWPM in the instance of distance 5, 7, and 9 codes, respectively. Lastly, we discuss the advantages and limitations of our framework and applicability to other error-correcting codes. Our framework can provide a significant boost to error correction by combining the strengths of various decoders. In particular, it may allow for combining very fast decoders with moderate error-correcting capability to create a very fast ensemble decoder with high error-correcting capability.
description: Replaced with the published version, comments welcome!
One-motives and a conjecture of Deligne
Creators: name: Ramachandran, Niranjan
Publisher: name: arXiv
Year: 1998
Subjects: subject: Algebraic Geometry (math.AG)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11Gxx, 14C25, 14C30, 14F99

description: We introduce new motivic invariants of arbitrary varieties over a perfect field. These cohomological invariants take values in the category of one-motives (considered up to isogeny in positive characteristic). The algebraic definition of these invariants presented here proves a conjecture of Deligne. Applications include some cases of conjectures of Serre, Katz and Jannsen on the independence of $\ell$ of parts of the étale cohomology of arbitrary varieties over number fields and finite fields.
description: 43 pages, latex file, uses amsart, amscd packages (Major revisions; final version). Journal of Algebraic Geometry (to appear)
Asymptotic boundedness and moment asymptotic expansion in ultradistribution spaces
Creators: name: Neyt, Lenny
name: Vindas, Jasson
Publisher: name: arXiv
Year: 2019
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 46F05, 46F10

description: We obtain structural theorems for the so-called S-asymptotic and quasiasymptotic boundedness of ultradistributions. Using these results, we then analyze the moment asymptotic expansion (MAE), providing a full characterization of those ultradistributions satisfying this asymptotic formula in the one-dimensional case. We also introduce and study a uniform variant of the MAE.
description: 16 pages
Nonlocality Distillation and Quantum Voids
Creators: name: Brito, S. G. A.
name: Moreno, M. G. M.
name: Rai, A.
name: Chaves, R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Via nonlocality distillation, a number of copies of a given nonlocal correlation can be turned into a new correlation displaying a higher degree of nonlocality. Apart from its clear relevance in situations where nonlocality is a resource, distillation protocols also play an important role in the understanding of information-theoretical principles for quantum theory. Here, we derive a necessary condition for nonlocality distillation from two copies and apply it, among other results, to show that $1$D and $2$D quantum voids --faces of the nonlocal simplex set with no quantum realization-- can be distilled up to PR-boxes. With that, we generalize previous results in the literature. For instance, showing a broad class of post-quantum correlations that make communication complexity trivial and violate the information causality principle.
description: 10 pages, 3 figures, all comments are welcome
Statistical mechanics model for Clifford random tensor networks and monitored quantum circuits
Creators: name: Li, Yaodong
name: Vasseur, Romain
name: Fisher, Matthew P. A.
name: Ludwig, Andreas W. W.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce an exact mapping of Clifford (stabilizer) random tensor networks (RTNs) and monitored quantum circuits, onto a statistical mechanics model. With Haar unitaries, the fundamental degrees of freedom ('spins') are permutations because all operators commuting with the action of the unitaries on a tensor product arise from permutations of the tensor factors ('Schur-Weyl duality'). For unitaries restricted to the smaller Clifford group, the set of commuting operators, the 'commutant', forming the new 'spin' degrees of freedom, will be larger. We use the recent full characterization of this commutant by Gross et al., Comm. Math. Phys. 385, 1325 (2021), to construct the Clifford statistical mechanics models for on-site Hilbert space dimensions which are powers of a prime number $p$. We show that the Boltzmann weights are invariant under a symmetry group involving orthogonal matrices with entries in the finite number field ${\bf F}_p$. This implies that the symmetry group, and consequently all universal properties of entanglement transitions in Clifford circuits and RTNs will in general depend on, and only on the prime $p$. We show that Clifford monitored circuits with on-site Hilbert space dimension $d=p^M$ are described by percolation in the limits $d \to \infty$ at (a) $p=$ fixed but $M\to \infty$, and at (b) $M= 1$ but $p \to \infty$. In the limit (a) we calculate the effective central charge, and in the limit (b) we derive the following universal minimal cut entanglement entropy $S_A =(\sqrt{3}/π)\ln p \ln L_A$ for $d=p$ large at the transition. We verify those predictions numerically, and present extensive numerical results for critical exponents at the transition in monitored Clifford circuits for prime number on-site Hilbert space dimension $d=p$ for a variety of different values of $p$, and find that they approach percolation values at large $p$.
description: 23 pages, 5 figures. Abstract shortened to meet arxiv requirements, see pdf for full abstract. v2: Discussion on multifractality in Clifford circuits added. Published version
TADBIRKORLIK SUBYEKTLARI UCHUN LOYIHAVIY MOLIYALASHTIRISHDA BANK KREDITLARIDAN FOYDALANISH TAJRIBALARI VA ULARNI TAKOMILLASHTIRISH YO'LLARI
Creators: name: Azimov, Feruz
Publisher: name: Zenodo
Year: 2025

description: Ushbu maqola tadbirkorlik subyektlari uchun loyihaviy moliyalashtirishda bank kreditlaridan foydalanish tajribalari va ularni takomillashtirish yo‘llari mavzusini o‘rganishga bag‘ishlangan. Maqolada, bank kreditlarining tadbirkorlik faoliyatini rivojlantirishdagi ahamiyati va ularning iqtisodiy tizimda o‘rni tahlil qilinadi. Shuningdek, bank kreditlaridan foydalanishning amaliy tajribalari, kredit olish jarayonlaridagi to‘siqlar, risklarni boshqarish usullari va kredit siyosatini takomillashtirish yo‘llari muhokama qilinadi. Maqolada, O‘zbekistonning kichik va o‘rta biznesini qo‘llab-quvvatlash uchun banklar tomonidan taqdim etiladigan kreditlar, davlat subsidiyalari va kafolatlarining ahamiyati ko‘rsatilgan.
On the structure of measurable filters on a countable set
Creators: name: Bartoszynski, Tomek
Publisher: name: arXiv
Year: 1999
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics

description: A combinatorial characterization of measurable filters on a countable set is found. We apply it to the problem of measurability of the intersection of nonmeasurable filters.
Uniqueness of minimizer for countable Markov shifts and equidistribution of periodic points
Creators: name: Takahasi, Hiroki
Publisher: name: arXiv
Year: 2019
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37A45, 37A50, 37A60, 60F10

description: For a finitely irreducible countable Markov shift and a potential with summable variations, we provide a condition on the associated pressure function which ensures that Bowen's Gibbs state, the equilibrium state, and the minimizer of the level-2 large deviations rate function are all unique and they coincide. From this, we deduce that all periodic points weighted with the potential equidistribute with respect to the Gibbs-equilibrium state as the periods tend to infinity. Applications are given to the Gauss map, and the Bowen-Series map associated with a finitely generated free Fuchsian group with parabolic elements.
description: 17 pages, no figure, former title: Uniqueness of minimizer for countable Markov shifts
Trichadenotecnum merum Betz, 1983: 1348
Creators: name: Yoshizawa, Kazunori
name: Aldrete, Alfonso Neri García
name: Mockford, Edward L.
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Psocodea
Psocidae
Trichadenotecnum
Trichadenotecnum merum

description: TRICHADENOTECNUM MERUM BETZ
 Trichadenotecnum merum Betz, 1983: 1348; Mockford, 1993: 282.
description: Published as part of Yoshizawa, Kazunori, Aldrete, Alfonso Neri García & Mockford, Edward L., 2008, Systematics and biogeography of the New World species of Trichadenotecnum Enderlein (Insecta: Psocodea: ' Psocoptera': Psocidae), pp. 651-723 in Zoological Journal of the Linnean Society 153 (4) on page 662, DOI: 10.1111/j.1096-3642.2008.00398.x, http://zenodo.org/record/5446195
O and Ne K absorption edge structures and interstellar abundance towards Cyg X-2
Creators: name: Takei, Yoh
name: Fujimoto, Ryuichi
name: Mitsuda, Kazuhisa
name: Onaka, Takashi
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have studied the O and Ne absorption features in the X-ray spectrum of Cyg X-2 observed with the Chandra LETG. The O absorption edge is represented by the sum of three absorption-edge components within the limit of the energy resolution and the photon counting statistics. Two of them are due to the atomic O; their energies correspond to two distinct spin states of photo-ionized O atoms. The remaining edge component is considered to represent compound forms of oxide dust grains. Since Cyg X-2 is about 1.4 kpc above the galactic disk, the H column densities can be determined by radio (21 cm and CO emission line) and H alpha observations with relatively small uncertainties. Thus the O abundance relative to H can be determined from the absorption edges. We found that the dust scattering can affect the apparent depth of the edge of the compound forms. We determined the amplitude of the effect, which we consider is the largest possible correction factor. The ratio of column densities of O in atomic to compound forms and the O total abundance were respectively determined to be in the range 1.7^{+3.0}_{-0.9} to 2.8^{+5.1}_{-1.5} (ratio), and 0.63 +/- 0.12 solar to 0.74 +/- 0.14 solar (total), taking into account the uncertainties in the dust-scattering correction and in the ionized H column density. We also determined the Ne abundance from the absorption edge to be 0.75 +/- 0.20 solar. These abundance values are smaller than the widely-used solar values but consistent with the latest estimates of solar abundance.
description: 20 pages, 3 figures, AASTeX format. Accepted for publication in ApJ
A real-time PCR assay for detection of light leaf spot on Brassica crops in the Pacific Northwest of the USA
Creators: name: Thomas, William J.
name: Serdani, Maryna
name: Claassen, Briana
name: Schneider, Morgan
name: Hinds-Cook, Althea M.
name: Mallory-Smith, Carol
name: Ocamb, Cynthia M.
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Biotechnology
subject: Ecology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology

description: Outbreaks of light leaf spot (Pyrenopeziza brassicae), a disease new to North America, occurred along with the diseases blackleg (Leptosphaeria spp.) and white leaf spot (Mycosphaerella capsellae) on Brassica crops in western Oregon. Disease symptoms in seed fields planted in the fall of 2013 were observed in the spring of 2014. Field surveys were conducted for disease during 2014 and 2015 to determine the geographic range of light leaf spot, blackleg, and white leaf spot within the Willamette Valley of western Oregon. Infected seed crops included turnip and oilseed rape in Benton, Lane, Linn, Marion, Polk, and Yamhill counties. New protocols that are more sensitive for detection of light leaf spot were developed for the pathogen population in the Pacific Northwest of the USA. Pyrenopeziza brassicae was detected when samples also contained L. maculans or M. capsellae. The test did not react with a range of other fungi evaluated. Sensitivity of the PCR protocol reported is robust at 10 pg of genomic DNA. Standard and real-time PCR screenings developed in this research increase sensitivity for detection of P. brassicae in affected Brassica hosts, which is critical for timely diagnosis and management of this newly-introduced disease in Brassica crops in the Pacific Northwestern region of the USA.
Distributional Asymptotic Expansions of Spectral Functions and of the Associated Green Kernels
Creators: name: Estrada, R.
name: Fulling, S. A.
Publisher: name: arXiv
Year: 1997
Subjects: subject: Functional Analysis (math.FA)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Asymptotic expansions of Green functions and spectral densities associated with partial differential operators are widely applied in quantum field theory and elsewhere. The mathematical properties of these expansions can be clarified and more precisely determined by means of tools from distribution theory and summability theory. (These are the same, insofar as recently the classic Cesaro-Riesz theory of summability of series and integrals has been given a distributional interpretation.) When applied to the spectral analysis of Green functions (which are then to be expanded as series in a parameter, usually the time), these methods show: (1) The "local" or "global" dependence of the expansion coefficients on the background geometry, etc., is determined by the regularity of the asymptotic expansion of the integrand at the origin (in "frequency space"); this marks the difference between a heat kernel and a Wightman two-point function, for instance. (2) The behavior of the integrand at infinity determines whether the expansion of the Green function is genuinely asymptotic in the literal, pointwise sense, or is merely valid in a distributional (cesaro-averaged) sense; this is the difference between the heat kernel and the Schrodinger kernel. (3) The high-frequency expansion of the spectral density itself is local in a distributional sense (but not pointwise). These observations make rigorous sense out of calculations in the physics literature that are sometimes dismissed as merely formal.
description: 34 pages, REVTeX; very minor corrections
Cauchy-Riemann geometry and contact topology in three dimensions
Creators: name: Cheng, Jih-Hsin
Publisher: name: arXiv
Year: 2000
Subjects: subject: Differential Geometry (math.DG)
subject: Symplectic Geometry (math.SG)
subject: FOS: Mathematics
subject: 57R17;32V05,53D35

description: We introduce a global Cauchy-Riemann($CR$)-invariant and discuss its behavior on the moduli space of $CR$-structures. We argue that this study is related to the Smale conjecture in 3-topology and the problem of counting complex structures. Furthermore, we propose a contact-analogue of Ray-Singer's analytic torsion. This ``contact torsion'' is expected to be able to distinguish among ``contact lens'' spaces. We also propose the study of a certain kind of monopole equation associated with a contact structure.
description: 22 pages,review paper
Measurement error and precision medicine: error-prone tailoring covariates in dynamic treatment regimes
Creators: name: Spicker, Dylan
name: Wallace, Michael
Publisher: name: arXiv
Year: 2019
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Precision medicine incorporates patient-level covariates to tailor treatment decisions, seeking to improve outcomes. In longitudinal studies with time-varying covariates and sequential treatment decisions, precision medicine can be formalized with dynamic treatment regimes (DTRs): sequences of covariate-dependent treatment rules. To date, the precision medicine literature has not addressed a ubiquitous concern in health research - measurement error - where observed data deviate from the truth. We discuss the consequences of ignoring measurement error in the context of DTRs, focusing on challenges unique to precision medicine. We show - through simulation and theoretical results - that relatively simple measurement error correction techniques can lead to substantial improvements over uncorrected analyses, and apply these findings to the Sequenced Treatment Alternatives to Relieve Depression (STAR*D) study.
Additional file 4 of circMAP3K4 regulates insulin resistance in trophoblast cells during gestational diabetes mellitus by modulating the miR-6795-5p/PTPN1 axis
Creators: name: Du, Runyu
name: Wu, Na
name: Bai, Yu
name: Tang, Lei
name: Li, Ling
Publisher: name: figshare
Year: 2022
Subjects: subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: Additional file 4: Figure S1. Enrichment analysis. Cluster diagrams of enriched biological processes (A), cellular components (B), and molecular functions (C) of the GO terms and KEGG pathways (D). The horizontal axis represents the pathway name, while the vertical axis represents the enriched miRNAs. The gradient color represents the log (P-value).
Minimal energy cost of entanglement extraction
Creators: name: Hackl, Lucas
name: Jonsson, Robert H.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We compute the minimal energy cost for extracting entanglement from the ground state of a bosonic or fermionic quadratic system. Specifically, we find the minimal energy increase $ΔE_{\mathrm{min}}$ in the system resulting from replacing an entangled pair of modes, sharing entanglement entropy $ΔS$, by a product state, and we show how to construct modes achieving this minimal energy cost. Thus, we obtain a protocol independent lower bound on the extraction of pure state entanglement from quadratic systems. Due to their generality, our results apply to a large range of physical systems, as we discuss with examples.
description: 30+13 pages, 9 figures
Real Rights in Virtual Worlds and Virtual Rights in a Real World
Creators: name: Yannopoulos, Georgios
Publisher: name: figshare
Year: 2019
Subjects: subject: Law
subject: FOS: Law

description: Paper presented at the 5th International Conference on Information Law (ICIL)
 “Equity, integrity and beauty in information law and ethics”, Ionian University, Corfu, 29-30 June 2012

A large number of participants in online games, simulating real life in complex virtualwords, create avatars and user-generated-content, exchange virtual objects and servicesand accept virtual ranks and commendations. What happens if something goes wrong inthat virtual world, either associated with the game provider platform or with fellowplaymates? On the other hand, it is very common in our real world to represent values invirtual dematerialised form, the registries for securities and emission rights trading beingthe most flagrant examples. What happens if virtual “rights” are not being transferredproperly following a transaction? How can someone react if such “rights” are lost orstolen? The paper tries to address possible legal action for each of the above situations.
Do tuition elimination policies in Sub-Saharan Africa matter? Evidence from the Universal Secondary Education Policy in Uganda
Creators: Mamba, Maurice Mbuanya
Publisher: name: Columbia University
Year: 2020
Subjects: Educational evaluation
Tuition
School enrollment
Education, Secondary--Economic aspects
Education--Statistics

description: This dissertation assesses the effectiveness of the Ugandan Universal Secondary Education policy. It seeks to ascertain whether and to what extent offering free-tuition education at eligible public and private secondary schools has affected gross enrollment rates at the lower secondary school level in Uganda between 2007 and 2015. Using a synthetic control method as well as a linear probability model, I explore the impact of the USE policy on lower secondary school enrollment both at the country and household levels since the policy implementation in 2007 up to 2015. To carry out the analysis, I merge several sources of administrative data, including World Bank education indicators, UNESCO Institute of Statistics data on school participation, Uganda National Bureau of Statistics' annual statistical abstracts and Uganda’s Ministry of Education and Sports’ annual reports into a country-panel dataset for the period of 1992-2015 and use the latter for the synthetic control approach. The linear probability model exploits the data from the 2013 Uganda National Household Survey (UNHS). The synthetic control analysis shows no effect of the USE policy at the country level. Instead, the results indicate that during my study period, lower secondary school enrollment rates growth in Uganda was reduced by a yearly average of 8 percentage points compared to its synthetic version. The micro-analysis, however, shows that the receipt of a government subsidy to enroll in lower secondary school had a positive and statistically significant effect ranging from .5 to 9.4 percentage points.
Motivic zeta functions of infinite dimensional Lie algebras
Creators: name: Sautoy, M. du
name: Loeser, F.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Representation Theory (math.RT)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 17B65;17B67;17B68;22E65;03C10;14F42

description: We associate motivic zeta functions to a large class of infinite dimensional Lie algebras
description: 45 pages
Documentation of Built Heritage and Disaster Preparedness Plans
Creators: Maloney Lo, Kathleen
Publisher: name: Columbia University
Year: 2020
Subjects: Historic preservation
Emergency management
Flood damage
Cultural property

description: As flood-prone communities seek to adapt and protect heritage resources from the impact of changing weather systems and water damage, there is a greater need for alternative and affordable solutions to safeguard historic resources. Many cities are updating preservation plans to better incorporate heritage but there remains an alarming lack of representation for historic resources in hazard mitigation plans. This can lead to a lack of sufficient documentation, necessary for supporting recovery efforts. Incentivizing and sourcing funding for documentation in advance of a climate event remains a crucial component of this narrative, influencing the role of documentation in preparedness planning and recovery efforts. This thesis will examine the role of documentation in preparedness planning on a global scale, from the founding of UNESCO, and its adoption into US-based preparedness efforts, at the federal, state, and local levels focusing specifically on water-related threats. Two US case studies will be evaluated to illustrate the application of different methodologies, technology employed as well as the driving factors for initiating a preventive (or proactive) documentation project to encourage broad-scale application of these techniques.
Documentary Films for Preservation: Representation Techniques for the Field
Creators: Kang, Jane
Publisher: name: Columbia University
Year: 2018
Subjects: Historic preservation
Documentary films--Production and direction
Historical films

description: This thesis examines and analyzes engaging representation techniques used in documentary filmmaking both within and outside of the preservation field. It traces the fundamental theoretical disputes that are central to non-fiction, historical documentary filmmaking, and provides a context to how preservationists have utilized the medium for documentation, advocacy, and education. Referring to seminal documentary theorists’ texts such as John Grierson’s First Principles of Documentary Filmmaking and Bill Nichols’ Documentary Modes of Representation, I extrapolate crucial categories of engaging representation strategies and put these into dialogue with presently executed audio visual narratives in films. In my analysis, I investigate three films, each of which have a particular narrative agenda. Documentary filmmaking is utilized to convey historical facts while providing a compelling and persuasive storytelling narrative. All the techniques used within documentary filmmaking thus should then collectively inform, support, and augment the overarching narrative. As I analyze, this is not always the case in the three films. In some moments of the films, audio and visual content is executed in a manner that detracts from the narrative by adding conflicting or distracting imagery and dialogue. This thesis takes a close examination of both engaging and disengaging moments in documentary films. I will propose how filmmaking techniques can be utilized to create more effective representations when actively engaged with narratives in preservation documentary practice.
Hot Carrier and Surface Recombination Dynamics in Layered InSe Crystals
Creators: name: Zhong, Chengmei
name: Sangwan, Vinod K.
name: Kang, Joohoon
name: Luxa, Jan
name: Sofer, Zdeněk
name: Hersam, Mark C.
name: Weiss, Emily A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Layered indium selenide (InSe) is a van der Waals solid that has emerged as a promising material for high-performance ultrathin solar cells. The optoelectronic parameters that are critical to photoconversion efficiencies, such as hot carrier lifetime and surface recombination velocity, are however largely unexplored in InSe. Here, these key photophysical properties of layered InSe are measured with femtosecond transient reflection spectroscopy. The hot carrier cooling process is found to occur through phonon scattering. The surface recombination velocity and ambipolar diffusion coefficient are extracted from fits to the pump energy-dependent transient reflection kinetics using a free carrier diffusion model. The extracted surface recombination velocity is approximately an order of magnitude larger than that for methylammonium lead-iodide perovskites, suggesting that surface recombination is a principal source of photocarrier loss in InSe. The extracted ambipolar diffusion coefficient is consistent with previously reported values of InSe carrier mobility.
Pump frequency resonances for light-induced incipient superconductivity in YBa$_2$Cu$_3$O$_{6.5}$
Creators: name: Liu, B.
name: Först, M.
name: Fechner, M.
name: Nicoletti, D.
name: Porras, J.
name: Loew, T.
name: Keimer, B.
name: Cavalleri, A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Optical excitation in the cuprates has been shown to induce transient superconducting correlations above the thermodynamic transition temperature, $T_C$, as evidenced by the terahertz frequency optical properties in the non-equilibrium state. In YBa$_2$Cu$_3$O$_{6+x}$ this phenomenon has so far been associated with the nonlinear excitation of certain lattice modes and the creation of new crystal structures. In other compounds, like La$_{2-x}$Ba$_x$CuO$_4$, similar effects were reported also for excitation at near infrared frequencies, and were interpreted as a signature of the melting of competing orders. However, to date it has not been possible to systematically tune the pump frequency widely in any one compound, to comprehensively compare the frequency dependent photo-susceptibility for this phenomenon. Here, we make use of a newly developed optical parametric amplifier, which generates widely tunable high intensity femtosecond pulses, to excite YBa$_2$Cu$_3$O$_{6.5}$ throughout the entire optical spectrum (3 - 750 THz). In the far-infrared region (3 - 25 THz), signatures of non-equilibrium superconductivity are induced only for excitation of the 16.4 THz and 19.2 THz vibrational modes that drive $c$-axis apical oxygen atomic positions. For higher driving frequencies (25 - 750 THz), a second resonance is observed around the charge transfer band edge at ~350 THz. These observations highlight the importance of coupling to the electronic structure of the CuO$_2$ planes, either mediated by a phonon or by charge transfer.
description: 47 pages, 21 figures, 2 tables
O ρόλος των Διαχειριστών Έκτακτης Ανάγκης στην αντιμετώπιση της Κλιματικής Αλλαγής
Creators: name: Καραμάνου, Ασπασία
name: Γεωργία-Χριστίνα Δρελιώση
Publisher: name: figshare
Year: 2019
Subjects: subject: 40104 Climate Change Processes
subject: FOS: Earth and related environmental sciences

description: Σε παγκόσμια κλίμακα αναμένεται σημαντική αύξηση της συχνότητας και του μεγέθους των επικίνδυνων διεργασιών που σχετίζονται με την αλλαγή του κλίματος. Οι διαχειριστές έκτακτης ανάγκης καλούνται να αντιμετωπίσουν τις επικείμενες αβέβαιες και πιθανώς ακραίες επιπτώσεις της κλιματικής αλλαγής. Ωστόσο, η πλειοψηφία των διαχειριστών έκτακτης ανάγκης και ιδιαίτερα σε τοπικό και περιφερειακό επίπεδο, δεν γνωρίζουν το πλήρες φάσμα των πιθανών επιπτώσεων της κλιματικής αλλαγής και δεν είναι κατανοητός με σαφήνεια ο ρόλος τους στις προσπάθειες σχεδιασμού, προσαρμογής και αντιμετώπισης όλων αυτών των επιπτώσεων. Αυτό έχει ως αποτέλεσμα η θέση που υιοθετούν οι περισσότεροι διαχειριστές έκτακτης ανάγκης, να εστιάζει κυρίως σε ακραία γεγονότα, σε οξείς κινδύνους έναντι των χρόνιων (π.χ. πλημμύρες έναντι ξηρασίας), βραχυπρόθεσμο επιχειρησιακό σχεδιασμό έναντι μακροπρόθεσμου (π.χ. 5 χρόνων έναντι 75 χρόνων). Στην παρούσα εργασία διερευνάται η σημαντική τομή μεταξύ των επιστημονικών πεδίων γνώσης: της διαχείρισης της έκτακτης ανάγκης και της διαχείρισης του περιβάλλοντος, του μετριασμού και της προσαρμοστικής διαχείρισης στην κλιματική αλλαγή. Εξετάζει τους διαφορετικούς ορισμούς των κοινών όρων μεταξύ των αυτών τριών πεδίων, τις αλληλο-επικαλυπτόμενες στρατηγικές που χρησιμοποιούνται, τους καλύτερους τρόπους συνεργασίας και αμοιβαίας επανεξέτασης αυτών, για την αντιμετώπιση και την επίλυση πολλών πιθανών προοπτικών που ενδέχεται να αντιμετωπίσουμε στην παγκόσμια αλλαγή του κλίματος.
Trichadenotecnum majus
Creators: name: Yoshizawa, Kazunori
name: Aldrete, Alfonso Neri García
name: Mockford, Edward L.
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Psocodea
Psocidae
Trichadenotecnum
Trichadenotecnum majus

description: TRICHADENOTECNUM MAJUS (KOLBE)
 Psocus sexpunctatus var. majus Kolbe, 1880: 109.
 Trichadenotecnum majus (Kolbe): Enderlein, 1909: 330.
See Mockford (1993) and Lienhard (1998) for diagnosis of this species.
 Distribution: Canada, USA (possibly introduced); Europe.
description: Published as part of Yoshizawa, Kazunori, Aldrete, Alfonso Neri García & Mockford, Edward L., 2008, Systematics and biogeography of the New World species of Trichadenotecnum Enderlein (Insecta: Psocodea: ' Psocoptera': Psocidae), pp. 651-723 in Zoological Journal of the Linnean Society 153 (4) on page 662, DOI: 10.1111/j.1096-3642.2008.00398.x, http://zenodo.org/record/5446195
Thermodynamics of Asymptotically Flat Dyonic Black Holes
Creators: name: Mejías, Raúl Rojas
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the thermodynamics of dyonic hairy black holes in flat spacetime when the asymptotic value of the scalar field is not fixed. We use the quasilocal formalism of Brown and York and corresponding boundary terms that make the variational principle well defined to prove that the scalar charges do not contribute to the first law of thermodynamics. We also provide a unified picture of obtaining exact solutions by comparing two different methods and discuss in detail the ansatz used in each coordinate system and the relation between them.
description: 20 pages; modifitations required by referees, 8 references added