cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Lattice QCD Study for the Interquark Force in Three-Quark and Multi-Quark Systems
Creators: name: Suganuma, Hideo
name: Takahashi, Toru T.
name: Okiharu, Fumiko
name: Ichie, Hiroko
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We study the three-quark and multi-quark potentials in SU(3) lattice QCD. From the accurate calculation for more than 300 different patterns of 3Q systems, the static ground-state 3Q potential $V_{\rm 3Q}^{\rm g.s.}$ is found to be well described by the Coulomb plus Y-type linear potential (Y-Ansatz) within 1%-level deviation. As a clear evidence for Y-Ansatz, Y-type flux-tube formation is actually observed on the lattice in maximally-Abelian projected QCD. For about 100 patterns of 3Q systems, we perform the accurate calculation for the 1st excited-state 3Q potential $V_{\rm 3Q}^{\rm e.s.}$ by diagonalizing the QCD Hamiltonian in the presence of three quarks, and find a large gluonic-excitation energy $ΔE_{\rm 3Q} \equiv V_{\rm 3Q}^{\rm e.s.}-V_{\rm 3Q}^{\rm g.s.}$ of about 1 GeV, which gives a physical reason of the success of the quark model. $ΔE_{\rm 3Q}$ is found to be reproduced by the ``inverse Mercedes Ansatz'', which indicates a complicated bulk excitation for the gluonic-excitation mode. We study also the tetra-quark and the penta-quark potentials in lattice QCD, and find that they are well described by the OGE Coulomb plus multi-Y type linear potential, which supports the flux-tube picture even for the multi-quarks. Finally, the narrow decay width of penta-quark baryons is discussed in terms of the QCD string theory.
description: Invited talk at Int. Conference on Quark Confinement and the Hadron Spectrum 6, Sardinia, Italy, 21-25 Sep 2004
High-throughput computational characterization of two-dimensional compositionally complex transition-metal chalcogenide alloys
Creators: name: Wang, Duo
name: Liu, Lei
name: Basu, Neha
name: Zhuang, Houlong L.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Two-dimensional (2D) binary transition-metal chalcogenides (TMCs) like molybdenum disulfide exhibits excellent properties as materials for light adsorption devices. Alloying binary TMCs can form 2D compositionally complex TMC alloys (CCTMCAs) that possess remarkable properties from the constituent TMCs. We adopt a high-throughput workflow performing density functional theory (DFT) calculations based on the virtual crystal approximation (VCA) model (VCA-DFT). We test the workflow by predicting properties including in-plane lattice constants, band gaps, effective masses, spin-orbit coupling (SOC), and band alignments of the Mo-W-S-Se, Mo-W-S-Te, and Mo-W-Se-Te 2D CCTMCAs. We validate the VCA-DFT results by computing the same properties using unit cells and supercells of selected compositions. The VCA-DFT results of the abovementioned five properties are comparable to that of DFT calculations, with some inaccuracies in several properties of MoSTe and WSTe. Moreover, 2D CCTMCAs can form type II heterostructures as used in photovoltaics. Finally, we use Mo0.5W0.5SSe, Mo0.5W0.5STe, and Mo0.5W0.5SeTe 2D CCTMCAs to demonstrate the room-temperature entropy-stabilized alloys. They also exhibit high electrical conductivities at 300K, promising for light adsorption devices. Our work shows that the high-throughput workflow using VCA-DFT calculations provides a tradeoff between efficiency and accuracy, opening up opportunities in the computational design of other 2D CCTMCAs for various applications.
Providing a way to create balance between reliability and delays in SDN networks by using the appropriate placement of controllers
Creators: name: Javadpour, Amir
Publisher: name: arXiv
Year: 2020
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Computer networks covered the entire world and a serious and new development has not formed for many years. But companies and consumer organizations complain about the failure to add new features to their networks and according to their need, like much of the works to be done automatically and they also like to develop and expand their networks on the software side so they do not need new expensive hardware for many of the activities and needs of their network. Analysis of the control layers and writing data in Software-Defined Network facilitate network management and accelerate innovation in network. In order to develop broad networks of SDN, often a large number controller is needed and located position of controllers in the SDN networks and can be raised as an important and basic issue in the field of SDN network and have impact on reliability of SDN networks. This paper focused on latency and reliability in SDN networks. The latency here means the delay in response to the request of data path that has a significant impact on network latency. In this paper it is shown that the number of controllers and their position can be effective on two measures; reliability and latency in SDN networks.
Additional file 1 of Variations of rhizospheric soil microbial communities in response to continuous Andrographis paniculata cropping practices
Creators: name: Junren Li
name: Xiuzhen Chen
name: Li, Simin
name: Zimei Zuo
name: Ruoting Zhan
name: He, Rui
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences

description: Additional file 1: Table S1. Sequencing output of soil bacterial sequences. Table S2. Sequencing output of soil fungal sequences. Fig. S1. Rarefaction curves of soil microbial communities based on OTUs at the 97% similarity cut-off level for individual samples. (a) and (b) are the rarefaction curves of OTU for bacterial and fungal communities, respectively. AP0, AP1 and AP2 represent soil with continuously cropping histories of A. paniculata for 0, 1 and 2 years. “a” and “b” mean the two replicates.
Most supermassive black hole growth is obscured by dust
Creators: name: Martinez-Sansigre, Alejo
name: Rawlings, Steve
name: Lacy, Mark
name: Fadda, Dario
name: Marleau, Francine R.
name: Simpson, Chris
name: Willott, Chris J.
name: Jarvis, Matt J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present an alternative method to X-ray surveys for hunting down the high-redshift type-2 quasar population, using Spitzer and VLA data on the Spitzer First Look Survey. By demanding objects to be bright at 24 microns but faint at 3.6 microns, and combining this with a radio criterion, we find 21 type-2 radio-quiet quasar candidates at the epoch at which the quasar activity peaked. Optical spectroscopy with the WHT confirmed 10 of these objects to be type-2s with 1.4 < z < 4.2 while the rest are blank. There is no evidence for contamination in our sample, and we postulate that our 11 blank-spectrum candidates are obscured by kpc-scale dust as opposed to dust from a torus around the accretion disk. By carefully modelling our selection criteria, we conclude that, at high redshift, 50-80 % of the supermassive black hole growth is obscured by dust.
description: 4 pages, 4 figures, "Granada Workshop on High Redshift Radiogalaxies", correction to elliptical galaxy in figure1
د. سُمية عيد الزعبوط ...البحث بصورته النهائية.pdf
Creators: name: al-zaboot, sumiah
Publisher: name: figshare
Year: 2021
Subjects: subject: 200201 Aboriginal and Torres Strait Islander Cultural Studies
subject: FOS: Other humanities

description: This research paper aimed to address some theories of giftedness and highlight thesimilar concepts according to its theories, in addition to reveal the characteristics of theteachers of the gifted according to giftedness theories. As a sample of the study, nine theoriesof giftedness and their models were selected and addressed. To achieve the goals of thestudy, the qualitative approach was used to analyze the theories of giftedness by inducting itsinformation.
Cloning quantum entanglement in arbitrary dimensions
Creators: name: Karpov, E.
name: Navez, P.
name: Cerf, N. J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have found a quantum cloning machine that optimally duplicates the entanglement of a pair of $d$-dimensional quantum systems. It maximizes the entanglement of formation contained in the two copies of any maximally-entangled input state, while preserving the separability of unentangled input states. Moreover, it cannot increase the entanglement of formation of all isotropic states. For large $d$, the entanglement of formation of each clone tends to one half the entanglement of the input state, which corresponds to a classical behavior. Finally, we investigate a local entanglement cloner, which yields entangled clones with one fourth the input entanglement in the large-$d$ limit.
description: 6 pages, 3 figures
Historical reconstruction of Indian marine fisheries catches, 1950-2000, as basis for testing the ’marine trophic index’
Creators: name: Bhathal, Brajgeet
Publisher: name: University of British Columbia
Year: 2009

description: Presently, fisheries are in deep crisis worldwide due to overfishing. Increasing intensity of fishing throughout the world has had impacts on the target species and their supporting marine ecosystems. Globally, the total catches are declining by some about ½ million t per year since 1988. As well mean trophic level of landings are declining at rate of 0.1 per decade. This threatens the world's food security specifically, its animal protein supply, especially, in developing countries. In order to evaluate the status of marine fisheries in India, the catches were reconstructed over the period of 1950 to 2000. This reconstruction show marine fish catches increased gradually from 0.6 in 1950 to 3.3 million t in 2000. To determine if the Indian marine fisheries trends are ecologically sustainable or not, the mean trophic level of landings were analysed over the five decades. It is found that the fishing down marine food web phenomenon is happening all over India, i.e., in each state and union territory, similar to rest of the world. This trend, however, was generally not visible when the catches of small pelagics fishes were included, i.e., their variability masked the fishing down phenomenon when this was based on the mean trophic level of all shelf species. On the other hand, application of the cut off trophic level of 3.25 (i.e., excluding small pelagics and most invertebrates) made the fishing down effect visible for all states and union territories. This analysis thus confirms the potential usefulness of the MTI (Marine Trophic Index), recently adopted by the Convention on Biological Diversity as one of the 8 indicators of biodiversity. It also confirms that the use of MTI, jointly with a TL cutoff point (i.e., [sup 3.25]MTI) better reveals underlying trend than overall mean TL. The time series of Fishing in Balance (FiB) index show an overall increase for all Indian states and union territories, suggesting a geographic expansion of the fisheries. However, in recent years, a stagnation or decline of FiB index is visible in almost all areas. This indicates a serious problem, presumably the end of the expansion phase in Indian fisheries. Overall, this historical review clearly indicates that India has suffered from sequential depletions of coastal stocks.
Antisite disorder in the battery material LiFePO$_4$
Creators: name: Werner, J.
name: Neef, C.
name: Koo, C.
name: Zvyagin, S.
name: Ponomaryov, A.
name: Klingeler, R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We report detailed magnetometry and high-frequency electron spin resonance (HF-ESR) measurements which allow detailed investigation on Li-Fe antisite disorder in single-crystalline LiFePO$_4$, i.e., exchange of Fe$^{2+}$- and Li$^+$-ions. The data imply that magnetic moments of Fe$^{2+}$-ions at Li-positions do not participate in long-range antiferromagnetic order in LiFePO$_4$ but form quasi-free moments. Anisotropy axes of the magnetic moments at antisite defects are attached to the main crystallographic directions. The local character of these moments is confirmed by associated linear resonance branches detected by HF-ESR studies. Magnetic anisotropy shows up in significant zero-field splittings of $Δ= 220(3)$~GHz, $Δ'\sim50$~GHz and a highly anisotropic $g$-factor, i.e., $g_\mathrm{a} = 1.4$, $g_\mathrm{b} = 2.0$, and $g_\mathrm{c} = 6.3$. We demonstrate a general method to precisely determine Fe-antisite disorder in LiFePO$_4$ from magnetic studies which implies a density of paramagnetic Fe$^{2+}$-ions at Li-positions of 0.53\%.
description: 15 pages, 6 figures
EVIDENCE AND IMPLICATIONS OF NON-TRADABILITY OF FOOD STAPLES IN TANZANIA 1983-1998
Creators: name: Delgado, Christopher L.
name: Minot, Nicholas
name: Tiongco, Marites M.
name: Delgado, Christopher L.
name: Minot, Nicholas
name: Tiongco, Marites M.
Publisher: name: Unknown
Year: 2004
Subjects: subject: International Relations/Trade
subject: tradable goods
subject: non-tradable goods
subject: exchange rate pass-through
subject: Tanzania

description: Economic reform programs assume that major goods are tradable, such that depreciation of the real exchange rate raises the value of output compared to factor costs in domestic currency. In Tanzania, major food staples that account for most real income are non-tradables in at least one-quarter of the country. This is demonstrated and implications assessed for the constraints imposed on macroeconomic-led adjustment strategies.
Additional file 1 of Biomarkers to quantify cell migration characteristics
Creators: name: Sangwoo Kwon
name: Woochul Yang
name: Donggerami Moon
name: Kim, Kyung Sook
Publisher: name: figshare
Year: 2020
Subjects: subject: Biophysics
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Pharmacology
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer
subject: 60506 Virology

description: Additional file 1: Fig. S1. DAPI nuclear stain of a normal cell (MCF10A) and breast cancer cells (MCF MCF7, T47D, MDA-MB-231). Blue is DAPI nuclear stain, which shows that there is only one nucleus per cell. Fig. S2. Linear regression analysis between (A) Young’s modulus and F-actin/area, and (B) physical adhesion and Integrin/boundary length. A high correlation can be found in adjusted R-squared of 0.92167 and 0.97347 for the relations, respectively.
A stripped-companion origin for Be stars: clues from the putative black holes HR 6819 and LB-1
Creators: name: El-Badry, Kareem
name: Quataert, Eliot
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: HR 6819 is a bright ($V=5.36$), blue star recently proposed to be a triple containing a detached black hole (BH). We show that the system is a binary and does not contain a BH. Using spectral decomposition, we disentangle the observed composite spectra into two components: a rapidly rotating Be star and a slowly rotating B star with low surface gravity $(\log g \approx 2.75)$. Both stars show periodic radial velocity (RV) variability, but the RV semi-amplitude of the B star's orbit is $K_{\rm B}= (62.7 \pm 1)\,\rm km\,s^{-1}$, while that of the Be star is only $K_{\rm Be} = (4.5\pm 2)\,\rm km\,s^{-1}$. This implies that the B star is less massive by at least a factor of 10. The surface abundances of the B star bear imprints of CNO burning. We argue that the B star is a bloated, recently stripped helium star with mass $\approx 0.5\,M_{\odot}$ that is currently contracting to become a hot subdwarf. The orbital motion of the Be star obviates the need for a BH to explain the B star's motion. A stripped-star model reproduces the observed luminosity of the system, while a normal star with the B star's temperature and gravity would be more than 10 times too luminous. HR 6819 and the binary LB-1 probably formed through similar channels. We use MESA models to investigate their evolutionary history, finding that they likely formed from intermediate-mass ($3-7\,M_{\odot}$) primaries stripped by slightly lower-mass secondaries and are progenitors to Be + sdOB binaries such as $ϕ$ Persei. The lifetime of their current evolutionary phase is on average $2\times 10^5$ years, of order half a percent of the total lifetime of the Be phase. This implies that many Be stars have hot subdwarf and white dwarf companions, and that a substantial fraction ($20-100\%$) of field Be stars form through accretion of material from a binary companion.
description: Accepted to MNRAS. Figure E1 is new
PRODUCER SUPPORT ESTIMATES (PSEs) FOR AGRICULTURE IN DEVELOPING COUNTRIES: MEASUREMENT ISSUES AND ILLUSTRATIONS FROM INDIA AND CHINA
Creators: name: Mullen, Kathleen
name: Sun, Dongsheng
name: Orden, David
name: Gulati, Ashok
name: Mullen, Kathleen
name: Sun, Dongsheng
name: Orden, David
name: Gulati, Ashok
Publisher: name: Unknown
Year: 2004
Subjects: Agricultural and Food Policy

description: In many developing countries, governments rely on price-based measures (including border protection and subsidies on inputs and outputs) more than on budgetary payments to achieve agricultural policy objectives defined to include price stabilization or food self-sufficiency. Assessing the effects of these price-based measures is thus important to evaluating whether agriculture is being protected or disprotected by commodity or in the aggregate. This aspect of producer support estimates (PSEs) is simple to describe conceptually but difficult to evaluate well empirically. Developing countries may face higher international transport and port costs for imports and exports than developed countries or may have substantial internal handling, transportation and processing costs. Separating these structural effects on farmers from agricultural policy effects that drive a wedge between the domestic farmgate price and an adjusted international reference price requires extensive data and judgments. In this paper, we describe the PSE measurement issues and illustrate their importance. We estimate product-specific market price support, budget expenditures and PSEs for three important agricultural commodities (wheat, rice and corn) in India (1985- 2002), using representative disaggregated state-level results, and for five commodities (wheat, rice, corn, soybeans and sugar) in China (1995-2001). The results for India suggest that ignoring factors such as internal transport costs, marketing margins and quality differences can result in inaccurate price support estimates and PSEs that may be of the wrong sign. We also explore how relaxing or changing certain standard PSE assumptions (such as altering the "scaling up" procedure or computing the PSE as a percentage of value of production at world reference prices) can have large impacts on the results. Finally, for commodities that are near self-sufficiency, we follow Byerlee and Morris (1993) and define a relevant adjusted reference price based on the relationship between an estimated autarky price and the import and export prices. We discuss this procedure and use the resulting reference prices to compute the market price support component of the PSE for India. Based on our three-commodity PSEs for India, support is largely countercyclical, rising when world prices are low (as in the late 1980s and 1990s) and falling when world prices strengthen (as in the mid 1990s). From our more preliminary five-commodity PSE estimates for China, a trend decline in disprotection is more evident. Further research is needed to confirm and elaborate on these results.
Wavelet Denoising and Attention-based RNN-ARIMA Model to Predict Forex Price
Creators: name: Zeng, Zhiwen
name: Khushi, Matloob
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computational Engineering, Finance, and Science (cs.CE)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Every change of trend in the forex market presents a great opportunity as well as a risk for investors. Accurate forecasting of forex prices is a crucial element in any effective hedging or speculation strategy. However, the complex nature of the forex market makes the predicting problem challenging, which has prompted extensive research from various academic disciplines. In this paper, a novel approach that integrates the wavelet denoising, Attention-based Recurrent Neural Network (ARNN), and Autoregressive Integrated Moving Average (ARIMA) are proposed. Wavelet transform removes the noise from the time series to stabilize the data structure. ARNN model captures the robust and non-linear relationships in the sequence and ARIMA can well fit the linear correlation of the sequential information. By hybridization of the three models, the methodology is capable of modelling dynamic systems such as the forex market. Our experiments on USD/JPY five-minute data outperforms the baseline methods. Root-Mean-Squared-Error (RMSE) of the hybrid approach was found to be 1.65 with a directional accuracy of ~76%.
Additional file 3 of Influx of diverse, drug resistant and transmissible Plasmodium falciparum into a malaria-free setting in Qatar
Creators: name: Al-Rumhi, Abir
name: Al-Hashami, Zainab
name: Al-Hamidhi, Salama
name: Gadalla, Amal
name: Raeece Naeem
name: Ranford-Cartwright, Lisa
name: Arnab Pain
name: Sultan, Ali A.
name: Babiker, Hamza A.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 3: Table S3. Prevalence of wild-type and mutant alleles of drug resistance genes among imported P. falciparum to Qatar. Values in brackets are percentages.
MPEC 2025-H122 : 2025 HV2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2025
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2025 HV2

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Primordial black holes and secondary gravitational waves from the Higgs field
Creators: name: Yi, Zhu
name: Gong, Yungui
name: Wang, Bin
name: Zhu, Zong-hong
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We devise a novel mechanism and for the first time demonstrate that the Higgs model in particle physics can drive the inflation to satisfy the cosmic microwave background observations and simultaneously enhance the curvature perturbations at small scales to explain the abundance of dark matter in our universe in the form of primordial black holes. The production of primordial black holes is accompanied by the secondary gravitational waves induced by the first order Higgs fluctuations which is expected observable by space-based gravitational wave detectors. We propose possible cosmological probes of Higgs field in the future observations for primordial black holes dark matter or stochastic gravitational waves.
description: added discussion on the running of the self-coupling, published in PRD
title: Citizen science for the future of Europe (full version)
title: Full version
titleType: AlternativeTitle
Creators: name: ECSA Working Group on Policy, Strategies and Partnerships & the European Citizen Science project & the wider European Citizen Science community of practice
name: Albert, Alexandra
name: Doran, Carolina
name: Gold, Margaret
name: Haklay, Muki
name: Heinisch, Barbara
name: Kieslinger, Barbara
name: Oesterheld, Marius
name: Riemenschneider, Dorte
name: Serrano Sanz, Fermìn
name: Schuerz, Stefanie
name: Stressmann, Franziska
Publisher: name: Zenodo
Year: 2025

description: Policy paper (full version): Advocating for deeper integration and dedicated support for citizen science in the 10th Framework Programme for Research and Innovation
Additional file 1 of Influx of diverse, drug resistant and transmissible Plasmodium falciparum into a malaria-free setting in Qatar
Creators: name: Al-Rumhi, Abir
name: Al-Hashami, Zainab
name: Al-Hamidhi, Salama
name: Gadalla, Amal
name: Raeece Naeem
name: Ranford-Cartwright, Lisa
name: Arnab Pain
name: Sultan, Ali A.
name: Babiker, Hamza A.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 1: Table S1. Demographic data of imported P. falciparum malaria cases.
Open clusters in the Third Galactic Quadrant. II. The intermediate age open clusters NGC 2425 and NGC 2635
Creators: name: Moitinho, A.
name: Carraro, G.
name: Baume, G.
name: Vazquez, R. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We analyse CCD broad band (UBV(RI)c) photometric data obtained in the fields of the poorly studied open clusters NGC 2425 and NGC 2635. Both clusters are found to be of intermediate age thus increasing the population of open clusters known to be of the age of, or older than, the Hyades. More explicitly, we find that NGC 2425 is a 2.2 Gyr old cluster, probably of solar metallicity, located at 3.5 kpc from the Sun. NGC 2635 is a Hyades age (600 Myr) cluster located at a distance of 4.0 kpc from the Sun. Its Colour Magnitude Diagram reveals that it is extremely metal poor for its age and position, thus making it a very interesting object in the context of Galactic Disk chemical evolution models.
description: 10 pages, 13 figures. Figure quality has been quiet degraded. Accepted by A&A
Additional file 2 of Influx of diverse, drug resistant and transmissible Plasmodium falciparum into a malaria-free setting in Qatar
Creators: name: Al-Rumhi, Abir
name: Al-Hashami, Zainab
name: Al-Hamidhi, Salama
name: Gadalla, Amal
name: Raeece Naeem
name: Ranford-Cartwright, Lisa
name: Arnab Pain
name: Sultan, Ali A.
name: Babiker, Hamza A.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 2: Table S2. Allele size of 10 microsatellites among imported P. falciparum to Qatar.
Linear Algebraic Calculation of Green's function for Large-Scale Electronic Structure Theory
Creators: name: Takayama, R.
name: Hoshi, T.
name: Sogabe, T.
name: Zhang, S. -L.
name: Fujiwara, T.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: A linear algebraic method named the shifted conjugate-orthogonal-conjugate-gradient method is introduced for large-scale electronic structure calculation. The method gives an iterative solver algorithm of the Green's function and the density matrix without calculating eigenstates.The problem is reduced to independent linear equations at many energy points and the calculation is actually carried out only for a single energy point. The method is robust against the round-off error and the calculation can reach the machine accuracy. With the observation of residual vectors, the accuracy can be controlled, microscopically, independently for each element of the Green's function, and dynamically, at each step in dynamical simulations. The method is applied to both semiconductor and metal.
description: 10 pages, 9 figures. To appear in Phys. Rev. B. A PDF file with better graphics is available at http://fujimac.t.u-tokyo.ac.jp/lses/
High-speed computational ghost imaging with compressed sensing based on a convolutional neural network
Creators: name: Zhang, Hao
name: Duan, Deyang
Publisher: name: arXiv
Year: 2020
Subjects: subject: Image and Video Processing (eess.IV)
subject: Quantum Physics (quant-ph)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Physical sciences

description: Computational ghost imaging (CGI) has recently been intensively studied as an indirect imaging technique. However, the speed of CGI cannot meet the requirements of practical applications. Here, we propose a novel CGI scheme for high-speed imaging. In our scenario, the conventional CGI data processing algorithm is optimized to a new compressed sensing (CS) algorithm based on a convolutional neural network (CNN). CS is used to process the data collected by a conventional CGI device. Then, the processed data are trained by a CNN to reconstruct the image. The experimental results show that our scheme can produce high-quality images with much less sampling than conventional CGI. Moreover, detailed comparisons between the images reconstructed using our approach and with conventional CS and deep learning (DL) show that our scheme outperforms the conventional approach and achieves a faster imaging speed.
Who Really Benefits from Agricultural Subsidies? Evidence from Field-Level Data
Creators: name: Kirwan, Barrett E.
name: Roberts, Michael J.
name: Kirwan, Barrett E.
name: Roberts, Michael J.
Publisher: name: Unknown
Year: 2010
Subjects: Agricultural and Food Policy

description: The idea that agricultural subsidies are fully capitalized into farmland values forms the foundation of the argument that subsidies are entitlements and removing them would drastically reduce farmland asset values. Surprisingly little evidence substantiates this claim. Using field-level data and explicitly controlling for potentially confounding variables we find that landlords only capture between 14 – 24 cents of the marginal subsidy dollar. The duration of the rental arrangement has a substantial effect on the incidence. Initially, landlords extract 44 cents of the marginal subsidy dollar, but the incidence falls by 1.5 cents with each additional year of the rental arrangement. This duration effect reveals that rental market frictions play an important role in the farmland rental market.
All Next-to-Maximally-Helicity-Violating One-Loop Gluon Amplitudes in N=4 Super-Yang-Mills Theory
Creators: name: Bern, Zvi
name: Dixon, Lance J.
name: Kosower, David A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We compute the next-to-MHV one-loop n-gluon amplitudes in N=4 super-Yang-Mills theory. These amplitudes contain three negative-helicity gluons and an arbitrary number of positive-helicity gluons, and are the first infinite series of amplitudes beyond the simplest, MHV, amplitudes. We also discuss some aspects of their twistor-space structure.
description: 36 pages, 9 figures, revtex, v2 minor corrections
Computer Algebra in Physics: The hidden SO(4) symmetry of the hydrogen atom
Creators: name: Szriftgiser, Pascal
name: Cheb-Terrab, Edgardo S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Symbolic Computation (cs.SC)
subject: Mathematical Physics (math-ph)
subject: Computational Physics (physics.comp-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences
subject: I.1.1; G.4; J.2
subject: 81-08

description: Pauli first noticed the hidden SO(4) symmetry for the Hydrogen atom in the early stages of quantum mechanics [1]. Departing from that symmetry, one can recover the spectrum of a spinless hydrogen atom and the degeneracy of its states without explicitly solving Schrödinger's equation [2]. In this paper, we derive that SO(4) symmetry and spectrum using a computer algebra system (CAS). While this problem is well known [3, 4], its solution involves several steps of manipulating expressions with tensorial quantum operators, simplifying them by taking into account a combination of commutator rules and Einstein's sum rule for repeated indices. Therefore, it is an excellent model to test the current status of CAS concerning this kind of quantum-and-tensor-algebra computations. Generally speaking, when capable, CAS can significantly help with manipulations that, like non-commutative tensor calculus subject to algebra rules, are tedious, time-consuming and error-prone. The presentation also shows a pattern of computer algebra operations that can be useful for systematically tackling more complicated symbolic problems of this kind.
description: 28 pages, submitted for publication in Computer Physics Communications
Effects of spatial stock structure and effort dynamics on the performance of alternative assessment procedures for the fisheries of Northern Australia
Creators: name: Buckworth, Rik C.
Publisher: name: University of British Columbia
Year: 2009

description: With the world's fisheries in crisis, most fisheries fully- or over-fished, and world catches perhaps exceeding sustainable limits, our capability to monitor and manage fisheries is uncertain. I reviewed these problems, and described ways that spatial complexity compromises monitoring and assessment. Monitoring/ management combinations that are robust to fine-scale dynamics are needed. I developed a closed-loop simulation framework, using the disc equation to distribute fishing effort. A suite of small, spatially-complex fisheries were simulated, and fishery performance was measured, under different monitoring/ management arrangements. Spatial dynamics interacted with monitoring/ control systems, engendering fine scale effects such as biomass erosion, and serial depletion. Performance depended upon control and monitoring information quality. It deteriorated as capacity and hyperstability increased. Poor information / control combinations (CPUE/ TAC) produced poor performance, especially where the stock and effort were concentrated. Effort control with monitoring fishing rates (F) by tagging was risk-averse, performing consistently well across all scenarios. I used a single-stock, age-structured model to assess the Northern Territory Spanish mackerel fishery. This fishery's status is grossly uncertain: available abundance and composition data were uninformative; catch and effort history, biological parameters and stock structure were all uncertain. There was no evidence supporting any increase of the current limit reference point. Genetic mark-recapture might overcome the limitations of conventional tagging. It is suggested for direct F measurement, for routine monitoring. This would entail in situ collection of tissue ("tagging") and subsequent screening of catch samples for matches ("recaptures"), using DNAfingerprinting. I present device designs for in situ tissue collection. Success rates (proportions of strikes yielding tissue) relative to design features were examined. Design and the line on the test vessel on which the tool was deployed interacted strongly. Predicted success rates of the best design are 44-85%, depending upon the line used. Industry participation, entailing daily genetic tagging a set number of fish, would ensure that all members of the fished population have a similar probability of being tagged. In further simulations, genetic tagging outperformed other monitoring methods. Performance improved with small concurrent conventional tagging programs. This methodology could be developed to monitor F in many fisheries.
Dependence on the State and the Crisis of the Kibbutz: The System of Concentrated Credit in the 1960s and 1970s
Creators: name: De Vries, David
name: Shalem, Eldad
name: De Vries, David
name: Shalem, Eldad
Publisher: name: Unknown
Year: 1999
Subjects: Agribusiness
Agricultural Finance

description: A historical analysis of the financial assistance given by the State of Israel to the kibbutzim during the 1960s and 1970s exposes an intriguing contrast, between the capacity of this assistance to help the kibbutzim endure economic difficulties on the one hand, and the deep dependence which it created, on the other. Based on historical-archival sources, the analysis of Concentrated Credit System suggests a re-evaluation of the historical roots of the current crisis besetting the kibbutz economy. Exemplifying an "artificial respiration" to a cooperative system which was traditionally endowed with a high national-political preference, this form of financial support demonstrates the complex dependence relationship between the State and the cooperative organization.
Anisotropic Tolman V Solution by Minimal Gravitational Decoupling Approach
Creators: name: Zubair, M.
name: Azmat, Hina
Publisher: name: arXiv
Year: 2020
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In this paper, we consider well known Tolman V perfect fluid solution and extend it to its an anisotropic version using gravitational decoupling by minimal geometric deformation approach and analyze the behavior of new version of the solution graphically. The effects of coupling constant on anisotropic factor has been measured and presented graphically. The matching conditions at the surface of inner and outer geometry have also been discussed. The viability of the solution has been studied by presenting the physical analysis of the solution.
description: 11 pages, 4 figures
To Reconstruct Inequality: Remuneration for Work and Actors' Strategies to Increase Income in the Kibbutz
Creators: name: Achouch, Yuval
name: Achouch, Yuval
Publisher: name: Unknown
Year: 2000
Subjects: Agribusiness
Labor and Human Capital

description: In the kibbutz debate about changes, payment for work of the members is considered a fundamental change. Several kibbutzim have experienced this change since the beginning of the 1990s. What actually happens in a kibbutz community after it starts paying members for their work? How do people react to this change? Is it a final change or only a step toward a deeper change, such as the introduction of differential wages? These questions are treated in this paper. On the basis of qualitative data, it is suggested that: The different prevalent agreements of payment for members' work result in unequal opportunities to work for money. First and foremost, they seem to upset the classic stratification by discriminating against the highest strata (managers in the economic and social sectors). More than seven years after the introduction of remuneration for work, no stable rules have been found and this topic is in perpetual negotiation. Finally, Bourdieu's theory of social field seems to provide adapted tools to describe and explain the process involved in this specific change: with financial reward from work the kibbutz community figures as a social field where all the actors (the members) are involved. In this field, the increase of members' private income from work is at issue. To achieve this aim, the actors developed different strategies. But beyond the manifest and short-term "struggle" for accumulation of economic capital, a latent struggle is discernible. In this, at stake is the completion of technocrats' domination of the kibbutz community and the predictable coup de grace to the egalitarian ideology.
Accelerating ptychographic reconstructions using spectral initializations
Creators: name: Valzania, Lorenzo
name: Dong, Jonathan
name: Gigan, Sylvain
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: Image and Video Processing (eess.IV)
subject: FOS: Physical sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Ptychography is a promising phase retrieval technique for label-free quantitative phase imaging. Recent advances in phase retrieval algorithms witnessed the development of spectral methods, in order to accelerate gradient descent algorithms. Using spectral initializations on experimental data, for the first time we report three times faster ptychographic reconstructions than with a standard gradient descent algorithm and improved resilience to noise. Coming at no additional computational cost compared to gradient-descent-based algorithms, spectral methods have the potential to be implemented in large-scale iterative ptychographic algorithms.
Cooperative Change and the Myth of Rationality
Creators: name: Rokholt, Per Ove
name: Borgen, Svein Ole
name: Rokholt, Per Ove
name: Borgen, Svein Ole
Publisher: name: Unknown
Year: 2000
Subjects: Agribusiness

description: Much of the current research on agricultural cooperatives is biased towards weaknesses of the cooperative organization form. The literature says very little about the strengths and advantages of the cooperative form and what is necessary to develop the form's uniqueness into a sustainable competitive advantage. We argue that for cooperatives to remain viable and competitive, the advantages of the form must be clearly manifested. There is now a lack of systematic theorizing in this field. Typically, the weaknesses of the cooperative form are compared to the strengths of the investor-owned firms. Our point is that the cooperative form is based on a logic which is different from that captured by the image of rationality, seemingly prevalent in many current studies of cooperatives. There is a call for a more coherent theory of the competitiveness of the cooperative form. So far, the contributions based on agency theory and transaction cost economics (TeE) are essentially met by an optimistic but incomplete cooperative ideology.
A remark on conservative diffeomorphisms
Creators: name: Bochi, Jairo
name: Fayad, Bassam
name: Pujals, Enrique
Publisher: name: arXiv
Year: 2004
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics

description: We show that a stably ergodic diffeomorphism can be $C^1$ approximated by a diffeomorphism having stably non-zero Lyapunov exponents.
description: Replaced with revised version. To appear at CRAS
Knowledge Intensive Business Sector and the Cooperative Form: A Study of Finnish Knowledge Intensive Cooperatives
Creators: name: Troberg, Eliisa
name: Troberg, Eliisa
Publisher: name: Unknown
Year: 2000
Subjects: Agribusiness

description: The aim of this article is to discuss the suitability of the cooperative form for the knowledge intensive business sector. First, core elements in organizing and managing knowledge intensive enterprises have been identified through a literature review. The existence of these core elements are then examined in two Finnish worker cooperatives operating in the consulting business. The cooperatives are compared to limited liability enterprises in order to crystallize the specific features of the cooperative business form. The findings show that the cooperatives of this study possess major important elements for well-functioning knowledge intensive enterprises, such as a strong organizational culture with shared values and the possibility of the knowledge workers to take part in the decision-making of the enterprise. However, a cooperative is a demanding form of organization because of the large number of decisionmakers and the great extent of flexibility associated with the form. The flexibility is one factor leading to the existence of passive members in both cooperatives of this study.
АКТУАЛЬНОСТЬ ИЗУЧЕНИЯ НЕДЕЙСТВИТЕЛЬНОСТИ МЕЖДУНАРОДНОГО ДОГОВОРА, А ТАКЖЕ ПРИОСТАНОВЛЕНИЯ И ПРЕКРАЩЕНИЯ ЕГО ДЕЙСТВИЯ
Creators: name: Жамшид Исмоилович Сафаров
Publisher: name: Zenodo
Year: 2024

description: Аннотация: Международные договоры могут заключаться в различных формах, включая «ратификацию», «акта официального подтверждения», «принятия», «утверждения», «преемства» и «присоединения». Однако не существует какого-либо международного инструмента, объединяющего нормы о выражении согласия на обязательность договора. В этой связи, в данной статье рассматриваются актуальность изучения недействительности международного договора, а также приостановления и прекращения его действия в доктрине международного права.

Ключевые слова: договоры, международное право, право международных договоров, ратификация, принятие, утверждение, правопреемство, присоединение, акт официального подтверждения, действительность, недействительность, приостановление, прекращение.

Abstract: International treaties can be formalized through various methods, such as “ratification”, “act of formal confirmation”, “acceptance”, “approval”, “succession”, and “accession”. Despite this diversity, there is no single international instrument that harmonizes the regulations for expressing consent to be bound by a treaty. The article critically analyzes the significance of examining the nullification of an international treaty, along with the suspension and termination of its validity within the framework of international law doctrine.

Key words: treaties, international law, law of international treaties, ratification, acceptance, approval, succession, accession, act of formal confirmation, validity, invalidity, suspension, termination.
Wirksamkeitsnachweise der verhaltensthetapeutischen Psychoedukation bei Menschen mit posttraumatischen Belastungsstörungen aus dem ehemaligen Jugoslawienn
Creators: name: Lazic, Amila
Publisher: name: SFU Forschungsbulletin
Year: 2021

description: Erst seit einigen wenigen Jahren kristallisieren sich einige spezifische und zuvor unbekannte Effekte der Posttraumatischen Belastungsstörungen von Geflüchteten heraus und lassen den Schluss zu, dass nicht jede PTBS einer Kombination dreier Symptomcluster entstammt. Bislang sind unzählige Studien über die Wirksamkeit von therapeutischen Behandlungsmethoden gegen PTBS vorhanden, doch welche Methode lässt sich am passendsten für die besonderen Bedürfnisse von Geflüchteten aus dem ehemaligen Jugoslawien anwenden? Welche Vorteile weist in diesem Rahmen die verhaltenstherapeutische Psychoedukation auf und wie flexibel lässt sie sich im therapeutischen Setting gestalten? Diese Fragestellungen sollen in Kürze genauer in Angriff genommen werden.
description: SFU Forschungsbulletin, Jahrgang 2021
Fast reflectivity imaging in 3D using SAFT
Creators: name: Ruiter, Nicole V.
name: Zapf, Michael
name: Hopp, Torsten
name: Gemmeke, Hartmut
Publisher: name: KIT Scientific Publishing
Year: 2018

description: The computational burden for 3D Synthetic Aperture Focusing Technique (SAFT) is large as for each voxel the delay for each acquired A-scan has to be calculated, e.g. O(N5) for N3 voxels and N2 A-scans. For 3D reconstruction of objects which are large in terms of the wavelength, e.g. ≥ (100 􀟣)³, the computation of one volume takes several days on a current multicore PC. If the 3D distribution of speed of sound is applied to correct the delays for objects with varying speed of sound the computation time increases further. This overview paper presents the implementations for 3D SAFT developed by the KIT group and discusses their computational performance.
What Makes People Participate in Cooperatives? Towards a Theoretical Model
Creators: name: Birchall, Johnston
name: Birchall, Johnston
Publisher: name: Unknown
Year: 1999
Subjects: Agribusiness

description: Participation of members in cooperatives is essential if they are to remain democratic and responsive, yet there is a surprising lack of theory as to why, and under what circumstances, people participate. This article identifies different types of participation, and considers the possibility of deriving a theoretical model from existing literature. Having reviewed related literatures on political, economic and community participation, it finds a need to go back to basic social psychological theories with which to build up useful theory. Two theoretical models are presented: an individualistic theory from George Homans, and a mutual theory from Pitrim Sorokin. These are elaborated in relation to cooperatives; the individualistic theory is found to be useful where members have an instrumental attitude, but the mutual one is shown to be muchricher in explanatory value, and to point to ways participation can be improved.