cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The luminosity evolution of nova shells -- I. A new analysis of old data
Creators: name: Tappert, C.
name: Vogt, N.
name: Ederoclite, A.
name: Schmidtobreick, L.
name: Vučković, M.
name: Becegato, L. L.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a re-analysis of the H$α$ and [OIII] flux data from the only comprehensive study of the luminosity evolution of nova shells, undertaken almost two decades ago. We use newly available distances and extinction values, and include additional luminosity data of 'ancient' nova shells. We compare the long-term behaviour with respect to nova speed class and light curve type. We find that, in general, the luminosity as a function of time can be described as consisting of an initial shallow logarithmic decline or constant behaviour, followed by a logarithmic main decline phase, with a possible return to a shallow decline or constancy at very late stages. The luminosity evolution in the first two phases is likely to be dominated by the expansion of the shell and the corresponding changes in volume and density, while for the older nova shells, the interaction with the interstellar medium comes into play. The slope of the main decline is very similar for almost all groups for a given emission line, but it is significantly steeper for [OIII], compared to H$α$, which we attribute to the more efficient cooling provided by the forbidden lines. The recurrent novae are among the notable exceptions, along with the plateau light curve type novae and the nova V838 Her. We speculate that this is due to the presence of denser material, possibly in the form of remnants from previous nova eruptions, or of planetary nebulae, As a by-product of our study, we revised the identification of all novae included in our investigation with sources in the Gaia Data Release 2 catalogue.
description: 18 pages, 4 figures, accepted for publication in A&A
Large-scale molecular shocks in galaxies: the SiO interferometer map of IC342
Creators: name: Usero, A.
name: Garcia-Burillo, S.
name: Martin-Pintado, J.
name: Fuente, A.
name: Neri, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: (Abridged) We present the first high-resolution (5.6''x5.1'') images of the emission of silicon monoxide (SiO) in the nearby spiral IC342, obtained with the IRAM Plateau de Bure Interferometer. We have mapped the emission of the SiO(2-1) and H13CO+(1-0) lines in a 0.9kpcx1.3kpc region around the nucleus of IC342. The bulk of the line emission comes from a 290pc spiral arm and a r~80pc nuclear ring. The distribution of SiO clouds is mostly anticorrelated with the continuum emission at 87GHz, dominated by thermal free-free bremsstrahlung. The SiO/H13CO+ intensity ratio increases by an order of magnitude from the nuclear ring to the spiral arm. Furthermore the gas kinematics show significant differences between SiO and H13CO+ over the spiral arm, where the linewidths of SiO are 2 times larger than that of H13CO+. The average abundance of SiO in the inner r~320pc, X(SiO)>2x10^{-10}, evidences that shock chemistry is at work in IC342. We have compared the emission of SiO with another tracer of molecular shocks: the emission of methanol (CH3OH). The significant difference of the X(SiO) measured between the spiral arm (~a few 10^{-9}) and the nuclear ring (~10^{-10}) is not echoed by a comparable variation in the SiO/CH3OH intensity ratio. This implies that the typical shock velocities should be similar in both regions. In contrast, the fraction of shocked molecular gas should be 5-7 times larger in the spiral arm (up to ~10% of the available molecular gas mass over the arm region) compared to the nuclear ring. We conclude that the large-scale shocks revealed by the SiO map of IC342 are mostly unrelated with star formation and arise instead in a pre-starburst phase. Shocks are driven by cloud-cloud collisions along the potential well of the IC342 bar. The general implications for the current understanding of galaxy evolution are discussed.
description: 15 pages, including 9 figures (6 color) and 3 tables; accepted in Astronomy & Astrophysics
Potential Impact of Fast Flavor Oscillations on Neutrino-driven Winds and Their Nucleosynthesis
Creators: name: Xiong, Zewei
name: Sieverding, Andre
name: Sen, Manibrata
name: Qian, Yong-Zhong
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The wind driven by the intense neutrino emission from a protoneutron star (PNS) is an important site for producing nuclei heavier than the Fe group. Because of certain features in the neutrino angular distributions, the so-called fast flavor oscillations may occur very close to the PNS surface, effectively resetting the neutrino luminosities and energy spectra that drive the wind. Using the unoscillated neutrino emission characteristics from two core-collapse supernova simulations representative of relevant progenitors at the lower and higher mass end, we study the potential effects of fast flavor oscillations on neutrino-driven winds and their nucleosynthesis. We find that such oscillations can increase the total mass loss by factors up to ~ 1.5-1.7 and lead to significantly more proton-rich conditions. The latter effect can greatly enhance the production of 64Zn and the so-called light p-nuclei 74Se, 78Kr, and 84Sr. Implications for abundances in metal-poor stars, Galactic chemical evolution in general, and isotopic anomalies in meteorites are discussed.
description: 12 pages, 7 figures, 2 tables, submitted to ApJ
AGGREGATE FOOD DEMAND ANALYSIS FOR A TRANSITIONAL ECONOMY: AN APPLICATION TO CHINESE HOUSEHOLD EXPENDITURE DATA
Creators: name: Shi, Hongqi
name: Mittelhammer, Ronald C.
name: Wahl, Thomas I.
name: Shi, Hongqi
name: Mittelhammer, Ronald C.
name: Wahl, Thomas I.
Publisher: name: Unknown
Year: 1995
Subjects: Consumer/Household Economics
Demand and Price Analysis

description: An analytical framework to assess the effects of changing income and socio-demographic distributions on aggregate food demand functions in transitional economies is presented. Ignoring such distributional effects can lead to biased estimates of aggregate demand elasticities. The proposed method is applied to Chinese urban household expenditure survey data. The results indicate that the drastic distributional changes that have occurred in China have had notable effects on estimated demand elasticities for both food and non-food commodity groups.
DAIRY CO-OPERATIVES AND MILK MARKETING IN INDIA: CONSTRAINTS AND OPPORTUNITIES
Creators: name: Rajendran, K.
name: Mohanty, Samarendu
name: Rajendran, K.
name: Mohanty, Samarendu
Publisher: name: Unknown
Year: 2004
Subjects: Agribusiness

description: Operation Flood and dairy co-operatives emerged in India as the largest rural employment scheme, enabling the modernization of the dairy sector to a level from where it can take off to meet not only the country's demand for milk and milk products but can also exploit global market opportunities. This study reviews the existing status of milk marketing and dairy co-operatives in India and provides recommendations to meet future challenges. The results of the study indicate that 80 percent of the milk produced by the rural producer is handled by an unorganized sector and the remaining 20 percent is handled by an organized sector. It is found that the dairy co-operatives play a vital role in alleviating rural poverty by augmenting rural milk production and marketing. Involvement of intermediaries; lack of bargaining power by the producers; and lack of infrastructure facilities for collection, storage, transportation, and processing are the major constraints which affect the prices received by producers in milk marketing. Milk quality, product development, infrastructure support development, and global marketing are found to be future challenges of India's milk marketing.
MODELING PRODUCTIVITY IN SUPERMARKET OPERATIONS: INCORPORATING THE IMPACTS OF STORE CHARACTERISTICS AND INFORMATION TECHNOLOGIES
Creators: name: King, Robert P.
name: Park, Timothy A.
name: King, Robert P.
name: Park, Timothy A.
Publisher: name: Unknown
Year: 2004
Subjects: Productivity Analysis

description: Data from the 2002 Supermarket Panel are used to estimate a supermarket production function with weekly gross margin as the output measure and store selling area and total labor hours as variable inputs. The model also includes productivity shifters describing format and service offerings, store ownership structure, unionization, and adoption of new information technologies and related business practices. The null hypothesis of constant returns to scale cannot be rejected. Increases in ownership-group size, warehouse and supercenter formats, unionization of the workforce, and adoption of vendor-managed inventory and a frequent-shopper program are all associated with significantly higher productivity.
Generalized percolation in random directed networks
Creators: name: Boguna, M.
name: Serrano, M. A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We develop a general theory for percolation in directed random networks with arbitrary two point correlations and bidirectional edges, that is, edges pointing in both directions simultaneously. These two ingredients alter the previously known scenario and open new views and perspectives on percolation phenomena. Equations for the percolation threshold and the sizes of the giant components are derived in the most general case. We also present simulation results for a particular example of uncorrelated network with bidirectional edges confirming the theoretical predictions.
IMPACTS ON U.S. PRICES OF REDUCING ORANGE JUICE TARIFFS IN MAJOR WORLD MARKETS
Creators: name: Brown, Mark G.
name: Spreen, Thomas H.
name: Lee, Jonq-Ying
name: Brown, Mark G.
name: Spreen, Thomas H.
name: Lee, Jonq-Ying
Publisher: name: Unknown
Year: 2004
Subjects: Demand and Price Analysis

description: A demand model is developed to examine the impacts on orange juice prices resulting from elimination or reduction of the tariffs on orange juice imposed by the United States, European Union, and Japan. An empirical analysis suggests that elimination of the U.S. tariff by itself would decrease the U.S. orange juice price by about $0.22 per gallon, while simultaneous elimination of the U.S., European, and Japanese tariffs would decrease the U.S. price by about $0.13 per gallon. Alternatively, reducing these tariffs according to the Swiss 25 formula would decrease the U.S. price by an estimated $0.09 per gallon. The U.S. produces about 1.4 billion gallons of orange juice annually and each penny reduction in the price impact increases U.S. orange juice FOB revenue by $14 million.
Ceratothoa Dana 1852
Creators: name: Salari, Mohammad
name: Khalaji-Pirbalouty, Valiallah
name: Ranjbar, Mohammad Sharif
name: Shahdadi, Adnan
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Isopoda
Cymothoidae
Ceratothoa

description: Genus Ceratothoa Dana, 1852
Type species. Cymothoa parallela Otto, 1828; subsequent designation by Martin et al. (2015).
Diagnosis. A full diagnosis of the genus is provided by Hadfield et al. (2014).
description: Published as part of Salari, Mohammad, Khalaji-Pirbalouty, Valiallah, Ranjbar, Mohammad Sharif & Shahdadi, Adnan, 2025, New host and locality record for the parasitic isopod Ceratothoa carinata (Bianconi, 1869) (Crustacea: Isopoda: Cymothoidae), with molecular insights into its phylogeography, pp. 262-272 in Zootaxa 5621 (2) on page 264, DOI: 10.11646/zootaxa.5621.2.6, http://zenodo.org/record/15262670
A Multiparametric Class of Low-complexity Transforms for Image and Video Coding
Creators: name: Canterle, D. R.
name: da Silveira, T. L. T.
name: Bayer, F. M.
name: Cintra, R. J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Signal Processing (eess.SP)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Multimedia (cs.MM)
subject: Image and Video Processing (eess.IV)
subject: Methodology (stat.ME)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences
subject: 94A08, MSC 33F05

description: Discrete transforms play an important role in many signal processing applications, and low-complexity alternatives for classical transforms became popular in recent years. Particularly, the discrete cosine transform (DCT) has proven to be convenient for data compression, being employed in well-known image and video coding standards such as JPEG, H.264, and the recent high efficiency video coding (HEVC). In this paper, we introduce a new class of low-complexity 8-point DCT approximations based on a series of works published by Bouguezel, Ahmed and Swamy. Also, a multiparametric fast algorithm that encompasses both known and novel transforms is derived. We select the best-performing DCT approximations after solving a multicriteria optimization problem, and submit them to a scaling method for obtaining larger size transforms. We assess these DCT approximations in both JPEG-like image compression and video coding experiments. We show that the optimal DCT approximations present compelling results in terms of coding efficiency and image quality metrics, and require only few addition or bit-shifting operations, being suitable for low-complexity and low-power systems.
description: Fixed Figure 1 and typos in the reference list
Electroweak-Higgs Unification and the Higgs Boson Mass
Creators: name: Aranda, A.
name: Diaz-Cruz, J. L.
name: Rosado, A.
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose an alternative unification scenario where the Higgs self-coupling (lambda) is unified with the electroweak SU(2)L x U(1)Y interactions at an intermediate scale MGH, lower than the GUT scale. In this model the SM remains valid up to this scale MGH, where the gauge and Higgs couplings satisfy the unification condition g1 = g2 = f(lambda). Two variants for this unification condition are discussed; scenario I is defined through the linear relation: g1 = g2 = k lambda(MGH), while scenario II assumes a quadratic relation: g1**2 = g2**2 = k lambda(MGH). An attractive feature of this class of models is the possibility to determine the SM Higgs boson mass by evolving lambda back from MGH down to the electroweak scale; fixing k = O(1) we obtain a Higgs mass value mH approx. 200 GeV. Above MGH, the single coupling gH that describes the electroweak-Higgs interactions, keeps evolving until it unifies with the strong coupling constant. We discuss a realization o this unification scenario within the context of a six-dimensional SU(3)c x SU(3)w Gauge-Higgs unified model.
description: 28 pages, 19 figures
CHANGE AND FIRM VALUATION IN U.S. FOOD RETAILING AND MANUFACTURING
Creators: name: Kaufman, Phillip R.
name: Bjornson, Bruce
name: Kaufman, Phillip R.
name: Bjornson, Bruce
Publisher: name: Unknown
Year: 2004
Subjects: Agribusiness

description: The competitive environment in the agri-food sector is evolving as the food manufacturing and retailing industries become more concentrated. Evolving industry structure and new firm investment portend changes in future firm competitiveness and performance. This research describes how large food-manufacturing and retail firm performance has shifted and how firm valuation signals expected future change in performance. While there have been expectations that return on investment of large food retailers would increase relative to large packaged-food manufacturers, we find that this has not yet happened and that market valuations imply that retailers are not likely to gain on manufacturers in the future.
Testing Global ISM Models: A Detailed Comparison of Ovi Column Densities with FUSE and Copernicus Data
Creators: name: de Avillez, Miguel A.
name: Breitschwerdt, Dieter
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the ovi distribution in space and time in a representative section of the Galactic disk by 3D adaptive mesh refinement HD and MHD simulations of the ISM, including the disk-halo-disk circulation. The simulations describe a supernova driven ISM on large (10 kpc) and small (1.25 pc) scales over a sufficiently large timescale (400 Myrs) in order to establish a global dynamical equilibrium. The Ovi column density, N(Ovi), is monitored through lines of sight measurements at different locations in the simulated disk. One has been deliberately chosen to be inside of a hot bubble, like our own Local Bubble, while the other locations are random. We obtain a correlation between N(Ovi) and distance, which is independent of the observer's vantage point in the disk. In particular, the location of the observer inside a hot bubble does not have any influence on the correlation, because the contribution of an individual bubble (with a typical extension of 100 pc) is negligibly small. We find a remarkable agreement between the Ovi column densities (as a function of distance) and the averaged Ovi density (~1.8x10^{-8}$ cm$^{-3}$) in the disk from our simulations and the values observed with Copernicus, and FUSE. Our results strongly support the important rôle of turbulent mixing in the distribution of Ovi clumps in the ISM. Supernova induced turbulence is quite strong and unavoidable due to shearing motions in the ISM and operates on a large range of scales.
description: 4 pages using emulateapj5 style, 5 figures including a simulation image. Accepted for publication in ApJ Letters
Unification dans tout ces états
Creators: name: Fiquemont, Johann
Publisher: name: Zenodo
Year: 2025
Subjects: Unification
Gravité
Lumière
Quantique
Temps
Conscience
Matière noire
Énergie noire

description: Ce document tente d'unir l'univers au vivant, et ce veut être une clé de l'univers.
Parity-based, bias-free optical quantum random number generation with min-entropy estimation
Creators: name: Coleman, Mathew R.
name: Ingalls, Kaylin G.
name: Kavulich, John T.
name: Kemmerly, Sawyer J.
name: Salinas, Nicolas C.
name: Ramirez, Efrain Venegas
name: Schlosshauer, Maximilian
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We describe the generation of sequences of random bits from the parity of photon counts produced by polarization measurements on a polarization-entangled state. The resulting sequences are bias free, pass the applicable tests in the NIST battery of statistical randomness tests, and are shown to be Borel normal, without the need for experimental calibration stages or postprocessing of the output. Because the photon counts are produced in the course of a measurement of the violation of the Clauser-Horne-Shimony-Holt inequality, we are able to concurrently verify the nonclassical nature of the photon statistics and estimate a lower bound on the min-entropy of the bit-generating source. The rate of bit production in our experiment is around 13 bits/s.
description: 9 pages, 1 figure, matches published version
SEASONAL OLIGOPOLY POWER IN THE D'ANJOU PEAR INDUSTRY
Creators: name: Winfree, Jason A.
name: McCluskey, Jill J.
name: Mittelhammer, Ronald C.
name: Gutman, Paula
name: Winfree, Jason A.
name: McCluskey, Jill J.
name: Mittelhammer, Ronald C.
name: Gutman, Paula
Publisher: name: Unknown
Year: 2004
Subjects: Crop Production/Industries

description: We estimate seasonal oligopoly power at a disaggregated variety level in the D'Anjou pear market. Our data spans 1993 to 2000, during which time imported pears became more prevalent in the U.S. market. The range of monthly industry-conduct-parameter magnitudes is 0.034 to 0.195 and is most pronounced when the fresh D'Anjou pear crop first becomes available in the earliest months of the marketing year. Possible reasons for timing of oligopoly power relate to the growth of imported pears during the latter portion of marketing year. In addition, oligopoly power may diminish during the marketing year as pears in storage decline in quality.
Computational core and fixed-point organisation in Boolean networks
Creators: name: Correale, L.
name: Leone, M.
name: Pagnani, A.
name: Weigt, M.
name: Zecchina, R.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Molecular Networks (q-bio.MN)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: In this paper, we analyse large random Boolean networks in terms of a constraint satisfaction problem. We first develop an algorithmic scheme which allows to prune simple logical cascades and under-determined variables, returning thereby the computational core of the network. Second we apply the cavity method to analyse number and organisation of fixed points. We find in particular a phase transition between an easy and a complex regulatory phase, the latter one being characterised by the existence of an exponential number of macroscopically separated fixed-point clusters. The different techniques developed are reinterpreted as algorithms for the analysis of single Boolean networks, and they are applied to analysis and in silico experiments on the gene-regulatory networks of baker's yeast (saccaromices cerevisiae) and the segment-polarity genes of the fruit-fly drosophila melanogaster.
description: 29 pages, 18 figures, version accepted for publication in JSTAT
[Letter from Lauritz Kolderup-Rosenvinge]
Creators: name: Kolderup-Rosenvinge, Lauritz
Publisher: name: Unknown
Year: 1891
Subjects: Rosenberg, Caroline
Lyngbye
Scübeler, Fredrik Christian
Blytt, Axel Gudbrand

description: Expresses gratitude for the nice collection of algae, and especially for the Lithothamnion. As soon I have finished my work on the algae from Greenland I will send duplicates. Expresses gratitude for the portrait, is sending his own.
TRACKING THE EVOLUTION OF E-GROCERS: A QUANTITATIVE ASSESSMENT
Creators: name: Lim, Heejin
name: Heilig, Julia K.
name: Ernst, Stanley C.
name: Widdows, Richard
name: Hooker, Neal H.
name: Lim, Heejin
name: Heilig, Julia K.
name: Ernst, Stanley C.
name: Widdows, Richard
name: Hooker, Neal H.
Publisher: name: Unknown
Year: 2004
Subjects: Agribusiness

description: Forecasts of the proportion of food retailing likely to be conducted over the Internet remain small, perhaps only contributing 2 percent of sales. One reason for this low market share is the challenge E-Grocers face in developing strategies which respond to four key areas of interest to consumers: signals of firm quality; signals of product quality; the range of products offered; and service, or customer-relationship management (CRM). Careful attention to these consumer concerns is important in all retail relationships-online or offline. This paper compares indicators of these factors across U.S. E-Grocers. A quantitative four-period ranking of online food-retailing strategies is presented for the nascent industry. Data from the third and fourth quarters of 2001, the fourth quarter of 2002, and the first quarter of 2004 provide the basis of this discussion. After initial setbacks, data show traditional ("bricks") grocery retailers successfully developing online strategies. Firms not primarily focused on groceries exited the E-Grocery sector, while the development of specialty food suppliers blurred the concept of online food retailing. Gaps in current strategies are indicated using content analyses of E-Grocery web sites.
On the integrability aspects of nonparaxial nonlinear Schrödinger equation and the dynamics of solitary waves
Creators: name: Tamilselvan, K.
name: Kanna, T.
name: Govindarajan, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: The integrability nature of a nonparaxial nonlinear Schrödinger (NNLS) equation, describing the propagation of ultra-broad nonparaxial beams in a planar optical waveguide, is studied by employing the Painlevé singularity structure analysis. Our study shows that the NNLS equation fails to satisfy the Painlevé test. Nevertheless, we construct one bright solitary wave solution for the NNLS equation by using the Hirota's direct method. Also, we numerically demonstrate the stable propagation of the obtained bright solitary waves even in the presence of an external perturbation in a form of white noise. We then numerically investigate the coherent interaction dynamics of two and three bright solitary waves. Our study reveals interesting energy switching among the colliding solitary waves due to the nonparaxiality.
description: 15 pages, 8 Figures
THE INFLUENCE OF ENVIRONMENTAL-IMPACT INFORMATION ON CONSUMER WILLINGNESS TO PAY FOR PRODUCTS LABELED AS FREE OF GENETICALLY MODIFIED INGREDIENTS
Creators: name: Wachenheim, Cheryl J.
name: Vanwechel, Tamara
name: Wachenheim, Cheryl J.
name: Vanwechel, Tamara
Publisher: name: Unknown
Year: 2004
Subjects: Consumer/Household Economics
Environmental Economics and Policy

description: Limited information is available about consumer willingness to pay for genetically modified food products. This information is of immediate interest to the food industry. An experimental auction was conducted to assess willingness to pay for food items labeled as free of genetically modified ingredients and to evaluate the influence of positive and negative information about the impact of biotechnology on the environment. Two hypotheses were tested and rejected: 1) Participant bids for products labeled with a non-genetically modified ingredient guarantee equal those for traditionally labeled products, and 2) Information bias will not influence the willingness-to-pay differential between non-GM and traditionally labeled products.
An excerpt from a letter to the people of Homs, wrongly attributed to Ephrem
Creators: name: Brock, Sebastian P.
Publisher: name: Oriens christianus : Hefte für die Kunde des christlichen Orients
Year: 2024

description: Oriens christianus : Hefte für die Kunde des christlichen Orients, Bd. 86 (2002): Oriens christianus, Band 86
Acute effects of alcohol on cardiac electrophysiology and arrhythmogenesis: Insights from multiscale in silico analyses
Creators: name: Sutanto, Henry
name: Cluitmans, Matthijs
name: Dobrev, Dobromir
name: Volders, Paul G. A.
name: Bébarová, Markéta
name: Heijman, Jordi
Publisher: name: figshare
Year: 2020
Subjects: subject: 110201 Cardiology (incl. Cardiovascular Diseases)
subject: FOS: Clinical medicine

description: Acute excessive ethyl alcohol (ethanol) consumption alters cardiac electrophysiology and can evoke cardiac arrhythmias, e.g., in ‘holiday heart syndrome’. Ethanol acutely modulates numerous targets in cardiomyocytes, including ion channels, Ca2+-handling proteins and gap junctions. However, the mechanisms underlying ethanol-induced arrhythmogenesis remain incompletely understood and difficult to study experimentally due to the multiple electrophysiological targets involved and their potential interactions with preexisting electrophysiological or structural substrates. Here, we employed cellular- and tissue-level in-silico analyses to characterize the acute effects of ethanol on cardiac electrophysiology and arrhythmogenesis.Acute electrophysiological effects of ethanol were incorporated into human atrial and ventricular cardiomyocyte computer models: reduced INa, ICa,L, Ito, IKr and IKur, dual effects on IK1and IK,ACh (inhibition at low and augmentation at high concentrations), and increased INCX and SR Ca2+ leak. Multiscale simulations in the absence or presence of preexistent atrial fibrillation or heart-failure-related remodeling demonstrated that low ethanol concentrations prolonged atrial action-potential duration (APD) without effects on ventricular APD. Conversely, high ethanol concentrations abbreviated atrial APD and prolonged ventricular APD. High ethanol concentrations promoted reentry in tissue simulations, but the extent of reentry promotion was dependent on the presence of altered intercellular coupling, and the degree, type, and pattern of fibrosis.Taken together, these data provide novel mechanistic insight into the potential proarrhythmic interactions between a preexisting substrate and acute changes in cardiac electrophysiology. In particular, acute ethanol exposure has concentration-dependent electrophysiological effects that differ between atria and ventricles, and between healthy and diseased hearts. Low concentrations of ethanol can have anti-fibrillatory effects in atria, whereas high concentrations promote the inducibility and maintenance of reentrant atrial and ventricular arrhythmias, supporting a role for limiting alcohol intake as part of cardiac arrhythmia management.
Plasmon spectrum of two-dimensional electron systems with Rashba spin-orbit interaction
Creators: name: Wang, X. F.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The dielectric function and plasmon modes of a two-dimensional electron gas (2DEG) are studied in single- and double-quantum-well structures with Rashba spin-orbit interaction (RSOI) in the framework of the random-phase approximation. The RSOI splits each parabolic energy subband of a 2DEG into two nonparabolic spin branches and affects the electronic many-body correlation and dielectric properties of the 2DEG. The influence of the RSOI on the 2DEG plasmon spectrum in single quantum wells appear mainly in three ways: 1) an overall frequency lowering due to the energy band deformation; 2) a weak frequency oscillation stemming from the spin-split energy band; and 3)an enhancement of the Landau damping as a result of the emerging of the inter-branch single-particle-excitation spectrum. In double quantum wells, the above effects are enhanced for the optic plasmon mode but diminished for the acoustic one.
description: 7 figures
Export Instability, Investment and Economic Growth in Asian Countries: A Time Series Analysis
Creators: name: Sinha, Dipendra
name: Sinha, Dipendra
Publisher: name: Unknown
Year: 1999
Subjects: subject: Teaching/Communication/Extension/Profession
subject: export instability
subject: growth
subject: stationarity
subject: cointegration

description: In this study, we look at the relationship between export stability, investment and economic growth in nine Asian countries using time series data. The few previous time series studies in this area have not paid any attention to stationarity and cointegration issues. We find that in most cases, the variables are non-stationary in their levels and not cointegrated. These results raise serious doubts about the results of these studies. The results are not uniform across countries casting doubts about the validity of the numerous cross-section studies. For Japan, Malaysia, Philippines and Sri Lanka, we find a negative relationship between export instability and economic growth. For (South) Korea, Myanmar, Pakistan and Thailand, we find a positive relationship between the two variables. For India, we get mixed results. In most cases, economic growth is found to be positively associated with domestic investment.
Real-Time thermal Ward-Takahashi Identity for vectorial current in QED and QCD
Creators: name: Bang-Rong, Zhou
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: It is shown that, by means of canonical operator approach, the Ward-Takahashi identity (WTI) at finite temperature $T$ and finite chemical potential $μ$ for complete vectorial vertex and complete fermion propagator can be simply proven, rigorously for Quantum Electrodynamics (QED) and approximately for Quantum Chromodynamics (QCD) where the ghost effect in the fermion sector is neglected. The WTI shown in the real-time thermal matrix form will give definite thermal constraints on the imaginary part of inverse complete Feynman propagator including self-energy for fermion and will play important role in relevant physical processes. When the above inverse propagator is assumed to be real, the thermal WTI will essentially be reduced to its form at $T=μ=0$ thus one can use it in the latter's form. At this point, a practical example is indicated.
description: 7 pages, Latex, no figure
Supervision and Transaction Costs: Evidence from Rice Farms in Bicol, The Philippines
Creators: name: Evenson, Robert E.
name: Kimhi, Ayal
name: Desilva, Sanjaya
name: Evenson, Robert E.
name: Kimhi, Ayal
name: Desilva, Sanjaya
Publisher: name: Unknown
Year: 2000
Subjects: subject: Crop Production/Industries
subject: transaction costs
subject: supervision
subject: labor markets
subject: Philippines

description: Labor markets in all economies are subject to transaction costs associated with recruiting, monitoring and supervising workers. Rural labor markets in developing economies, where institutions such as labor and contract law and formal employment assistance mechanisms are not in place, are regarded to be particularly sensitive to transaction cost conditions. The inherent difficulty of measuring transaction costs has limited studies on this topic. In this paper, we analyze supervision activities reported in a cross-section survey of rice farmers in the Bicol region of the Philippines. This survey is unique because it provides supervision data at the farm task level. We present a simple optimization model in which supervision intensity increases the productivity of hired workers, which is assumed to be lower than that of family members due to the transaction costs. The model predicts that supervision intensity will increase with transaction costs. We use different institutional conditions to proxy for transaction costs, and estimate the demand for supervision time for four different classes of rice production tasks. The estimation strategy controls for selectivity in both hiring and supervising. The results show a positive effect of transaction costs on supervision intensity. We then extend the analysis to a farm efficiency specification to test the proposition that supervision activities improve farm efficiency. This framework allows us to relate institutional conditions to farm efficiency directly and indirectly through their effect on supervision activities. We find that transaction costs have a negative direct effect on farm efficiency, but this is partially offset by the positive efficiency effects of increased supervision intensity. The results enable us to associate institutional conditions with transaction costs and to draw policy inferences regarding the value of improved institutional conditions.
D2.2 - Natural and manmade disaster case study  identification, research, and analysis
Creators: name: Crisan, Monica
name: Schmidt, Danka Foitik
name: Staniforth, Andrew
Publisher: name: Zenodo
Year: 2024

description: This report serves to explain the methodological approach undertaken to conduct research to capture data in support of a suite of identified natural and manmade use case disaster scenarios including terrorist attack, earthquake, flash flooding, wildfire, industrial accident, tsunami, and pandemic. The cooperation and collaboration of 11 CORE partners from 10 member states was achieved to complete this research, and included organisations across academia, emergency response agencies, and the private sector. The close collaborative partnership developed between beneficiaries ensured that the adoption of measures to ensure consistency of quality assurance and quantity management across the suite of disaster scenarios was effectively achieved.
Causal Code Manifest – Ethical Foundation of the Stringnet of Causality
Creators: name: Glavinac, Malvin Siegfried
Publisher: name: Zenodo
Year: 2025
Subjects: stringnet
causality
quantum logic
ethics
attribution
Malvin Glavinac
Malvin Siegfried Glavinac
consciousness
causal framework
theory of reality
metatheory

description: This document defines the ethical foundation and authorship principles of the theory “The Stringnet of Causality”, published by Malvin Siegfried Glavinac on April 21, 2025.

It includes a binding attribution statement, a Creative Commons license (CC BY 4.0), and a Causal Integrity Statement outlining the responsible and ethical use of the theory.

The Manifest ensures that the name of the original creator remains inseparably linked to the theory, and that it is never misused for suppression or domination.

This is a foundational document that safeguards the theory’s core values and its role as a tool for collective evolution.
Institutions and Development: A View from Below
Creators: name: Pande, Rohini
name: Udry, Christopher R.
name: Pande, Rohini
name: Udry, Christopher R.
Publisher: name: Unknown
Year: 2005
Subjects: subject: Institutional and Behavioral Economics
subject: International Development
subject: institutions
subject: growth
subject: cross-country regressions

description: In this paper we argue the case for greater exploitation of synergies between research on specific institutions based on micro-data and the big questions posed by the institutions and growth literature. To date, the macroeconomic literature on institutions and growth has largely relied on cross-country regression evidence. This has provided compelling evidence for a causal link between a cluster of 'good' institutions and more rapid long run growth. However, an inability to disentangle the effects of specific institutional channels on growth or to understand the impact of institutional change on growth will limit further progress using a cross-country empirical strategy. We suggest two research programs based on micro-data that have significant potential. The first uses policy-induced variation in specific institutions within countries to understand how these institutions influence economic activity. The second exploits the fact that the incentives provided by a given institutional context often vary with individuals' economic and political status. This can help us better understand how institutional change arises in response to changing economic and demographic pressures.
China's Capital and Productivity Measurement Using Financial Resources
Creators: name: Li, Kui-Wai
name: Li, Kui-Wai
Publisher: name: Unknown
Year: 2003
Subjects: subject: Financial Economics
subject: China economic reform
subject: provincial growth and productivity
subject: financial resources

description: This paper constructs China's capital stock, which is used in conjunction with a labor variable to estimate a Cobb-Douglas production function for the Chinese economy. Two panels of data are used - one for capital formation and one for sources of investment finance. Both national and provincial data are used for these two panels, thus giving a total of four capital-stock series. The Cobb-Douglas estimates show that China's total factor productivity was about 3.4 percent in the post-reform years. Productivity of coastal provinces is higher than inner provinces. Among the various sources of investment finance, foreign direct investment is more efficient than state-funded capital stock.
Health and Labor Force Participation of the Elderly in Taiwan
Creators: name: Mete, Cem
name: Schultz, T. Paul
name: Mete, Cem
name: Schultz, T. Paul
Publisher: name: Unknown
Year: 2002
Subjects: subject: Labor and Human Capital
subject: labor force participation
subject: elderly
subject: health status
subject: National Health Insurance
subject: Taiwan

description: Estimates are reported of the consequences of health on participation in the labor force of elderly men and women in Taiwan from 1989 to 1996. Three survey indicators of individual health are examined, and two are estimated by instrumental variables (IV), using as instruments parent longevity, birthplace, and childhood conditions. IV estimates of health's effect on participation are in most cases significant and always positive, and about twice the magnitude of the ordinary least squares estimates, and the hypothesis that health is exogenous and measured without error is rejected. Implementation in 1995 of a National Health Insurance (NHI) shifted to the state the growing cost of elderly health care, and reduced the incentive for elderly to work to receive employer-provided health insurance. But this change in health care financing does not appear to have contributed to a reduction in elderly participation rates in 1996.
Obliquity of an Earth-like planet from frequency modulation of its direct imaged lightcurve: mock analysis from general circulation model simulation
Creators: name: Nakagawa, Yuta
name: Kodama, Takanori
name: Ishiwatari, Masaki
name: Kawahara, Hajime
name: Suto, Yasushi
name: Takahashi, Yoshiyuki O.
name: Hashimoto, George L.
name: Kuramoto, Kiyoshi
name: Nakajima, Kensuke
name: Takehiro, Shin-ichi
name: Hayashi, Yoshi-Yuki
Publisher: name: arXiv
Year: 2020
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Direct-imaging techniques of exoplanets have made significant progress recently, and will eventually enable to monitor photometric and spectroscopic signals of earth-like habitable planets in the future. The presence of clouds, however, would remain as one of the most uncertain components in deciphering such direct-imaged signals of planets. We attempt to examine how the planetary obliquity produce different cloud patterns by performing a series of GCM (General Circulation Model) simulation runs using a set of parameters relevant for our Earth. Then we use the simulated photometric lightcurves to compute their frequency modulation due to the planetary spin-orbit coupling over an entire orbital period, and attempt to see to what extent one can estimate the obliquity of an Earth-twin. We find that it is possible to estimate the obliquity of an Earth-twin within the uncertainty of several degrees with a dedicated 4 m space telescope at 10 pc away from the system if the stellar flux is completely blocked. While our conclusion is based on several idealized assumptions, a frequency modulation of a directly-imaged earth-like planet offers a unique methodology to determine its obliquity.
description: 29 pages, 18 figures, accepted for publication in ApJ
The Fertility Transition: Economic Explanations
Creators: name: Schultz, T. Paul
name: Schultz, T. Paul
Publisher: name: Unknown
Year: 2001
Subjects: subject: Labor and Human Capital
subject: fertility transition
subject: womens schooling
subject: womens wages
subject: child mortality

description: Economic explanations for the fertility transition focus on the role of returns to schooling, especially for women, which have encouraged women to obtain more education and facilitated the rise in women's wages relative to men's. The private opportunity costs of children have therefore increased, and parents have been motivated to substitute child schooling for additional births Declines in fertility have proceeded unevenly, first across the high income countries, and more recently across the low income countries. The cross sectional differentials in fertility are also frequently analyzed in household surveys, suggesting parallels with the cross-country comparisons. At an aggregate level, states have simultaneously legislated socialized support for the consumption of the elderly, which has eroded the incentives for childbearing, and subsidized child human capital through schools and public health programs, which has encouraged parents to demand fewer, higher quality, children.
FIRBACK IV: Towards the nature of the 170microns source population
Creators: name: Dennefeld, M.
name: Lagache, G.
name: Mei, S.
name: Ciliegi, P.
name: Dole, H.
name: Mann, R. G.
name: Taylor, E. L.
name: Vaccari, M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a detailed study of the brighter ($> 4σ$ detections) sources in the 170$μ$m FIRBACK northern N1 ISO survey, with the help of complementary data in the optical, radio, and mid-IR domain. For 82% of them, an optical galaxy counterpart is identified, either as the unique source of the IR emission, or as part of a multiple identification. With less than 15% of AGNs, these sources are essentially local, moderate starbursters with a dominating cold dust component. and represent a population of cold galaxies rather neglected up to now. Their colours do not match those of the far-IR Cosmic IR Background (CIB), to which they contribute less than 5%. The bulk of the sources contributing to the CIB is thus to be searched for in more distant galaxies, possibly counterparts of the fainter FIRBACK sources still under study. These bright, local, galaxies however play an important role in the evolution of IR galaxies: they dominate the number counts at high 170 $μ$m fluxes, and represent half of the contribution at 250 mJy. Although not particularly massive (typically M*), they form more stars than a typical spiral galaxy and many are bulge dominated, that could represent the remnant of a former merger. The fainter part of this population may represent the missing link with the higher-z sources found in sub-mm observations.
description: 40 pages, 10 figures, accepted for publication in Astronomy & Astrophysics
Inter-household Allocations within Extended Family: Evidence from the Indonesia Family Life Survey
Creators: name: Witoelar, Firman
name: Witoelar, Firman
Publisher: name: Unknown
Year: 2005
Subjects: subject: Consumer/Household Economics
subject: consumption smoothing
subject: risk-sharing
subject: extended families

description: This paper uses data from two waves of the Indonesia Family Life Survey (IFLS2-1997 and IFLS3-2000) to investigate whether households that belong to the same extended families pool their income to smooth their consumption. We exploit the fact that the survey also tracks and interviews split-off households during the follow-up surveys, enabling us to construct a panel of extended families. The findings suggest that in contradiction to the null hypothesis of extended-family income pooling, household own income still matters to household consumption even after controlling for extended family resources. The result stands after correcting for potential measurement error and endogeneity of income. More importantly, the findings also suggest that although the change in household own income matters to the change in household consumption, controlling for extended family resources, the magnitudes of the coefficients are small. We also find evidence that household consumption is affected by characteristics of other households in the same extended family.
Demystifying the German "Armament Miracle" During World War II. New Insights from the Annual Audits of German Aircraft Producers
Creators: name: Budrass, Lutz
name: Scherner, Jonas
name: Streb, Jochen
name: Budrass, Lutz
name: Scherner, Jonas
name: Streb, Jochen
Publisher: name: Unknown
Year: 2005
Subjects: subject: Political Economy
subject: German armament miracle
subject: World War II
subject: Albert Speer
subject: aircraft industry
subject: learning-by-doing
subject: fixed-price contract
subject: labor productivity

description: Armament minister Albert Speer is usually credited with causing the boom in German armament production after 1941. This paper uses the annual audit reports of the Deutsche Revisions- und Treuhand AG for seven firms which together represented about 50 % of the German aircraft producers. We question the received view by showing that in the German aircraft industry the crucial changes that triggered the upswing in aircraft production already occurred before World War II. The government decided in 1938 that aircraft producers had to concentrate on a few different types, and in 1937 that cost-plus contracts were replaced with fixed price contracts. What followed was not a sudden production miracle but a continuous development which was fuelled first by learning bydoing and then by the ongoing growth of the capital and labor endowment.