cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The effect of information technology on average firm size and the degree of vertical integration in the manufacturing sector
Creators: name: Komninos, Nicholas Evangelo
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 38
subject: Economics

description: Ronald Coase and Oliver Williamson, in their transaction-cost framework, posit that economic transactions can occur within either hierarchies (i.e. firms) or markets (i.e. market-oriented transactions). They hypothesize that firm size and degree of vertical integration depend on the relative costs of using hierarchies and markets. If in a specific industry the costs associated with market use are high relative to hierarchy use then, ceteris paribus, that industry would be characterized by large and highly vertically integrated firms. If the costs associated with market use were low relative to hierarchy use then the opposite would be the case. Up to the late 1960s average firm size had been increasing in the United States manufacturing sector but afterwards started to decline. Simultaneous with this decline, there was a tremendous increase in investment in information technology capital, from $18.5 billion in 1973 to \$253.7 billion in 1989. This vast expansion in information technology capital has, it is posited, reduced communication and data handling costs, the primary components of search costs. Since market use is more search cost intensive than hierarchy use then the cost of market utilization will have fallen vis-a-vis hierarchy utilization. Hence it is expected that the increase in information technology capital has lead to smaller firm size and less vertical integration. This hypothesis was tested with a series of pooled cross-sectional regression models that made use of data for the U.S. manufacturing sector as well as data for a cross-section of nations for the manufacturing sector as a whole and, separately, for the transportation equipment and electrical machinery industries. The international data was used in order to determine if the posited relationship held internationally as well as for the U.S. The empirical evidence obtained from these models strongly supports the posited hypothesis that information technology capital has caused a decline in firm size and the degree of vertical integration. The proxies used for information technology capital, in nearly all the models used, had the predicted sign and the majority of these signs proved significant at the 10% level of significance.
Examples of wavelets for local fields
Creators: name: Benedetto, Robert L.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11S85 (Primary) 42C40 (Secondary)

description: Using the wavelet theory introduced by the author and J. Benedetto, we present examples of wavelets on p-adic fields and other locally compact abelian groups with compact open subgroups. We observe that in this setting, the Haar and Shannon wavelets (which are at opposite extremes over the real numbers) coincide and are localized both in time and in frequency. We also study the behavior of the translation operators required in the theory.
description: 21 pages; LaTeX2e; to appear in the proceedings of the AMS Special Session on Wavelets, Frames, and Operator Theory held at Baltimore, January 2003
Good practices on enhancing collaboration between Research Organizations and their Innovation ecosystems for gender equality: a CALIPER study
Creators: name: Sangiuliano, Maria
Publisher: name: Zenodo
Year: 2020
Subjects: Gender Equality
Research and Innovation
Innovation Ecosystems
Good Practices

description: This presentation was given within the CALIPER Workshop at the 7th International Conference on Challenges in Smart Cities and Regions (EAI Mobility IoT 2020). The Conference was co-located with the Summit SmartCity360° and the event was streamed online. The presentation was prepared in the context of the CALIPER project which has received funding from the European Union's Horizon 2020 Research and Innovation Programme under Grant Agreement No 873134.
Rotating black holes in brane worlds
Creators: name: Frolov, Valeri P.
name: Fursaev, Dmitri V.
name: Stojkovic, Dejan
Publisher: name: arXiv
Year: 2004
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study interaction of rotating higher dimensional black holes with a brane in space-times with large extra dimensions. We demonstrate that a rotating black hole attached to a brane can be stationary only if the null Killing vector generating the black hole horizon is tangent to the brane world-sheet. The characteristic time when a rotating black hole with the gravitational radius $r_0$ reaches this final stationary state is $T\sim r_0^{p-1}/(Gσ)$, where $G$ is the higher dimensional gravitational coupling constant, $σ$ is the brane tension, and $p$ is the number of extra dimensions.
description: Version published in JHEP
The effect of information technology on average firm size and the degree of vertical integration in the manufacturing sector
Creators: name: Komninos, Nicholas Evangelo
Publisher: name: American University
Year: 2023

description: Ronald Coase and Oliver Williamson, in their transaction-cost framework, posit that economic transactions can occur within either hierarchies (i.e. firms) or markets (i.e. market-oriented transactions). They hypothesize that firm size and degree of vertical integration depend on the relative costs of using hierarchies and markets. If in a specific industry the costs associated with market use are high relative to hierarchy use then, ceteris paribus, that industry would be characterized by large and highly vertically integrated firms. If the costs associated with market use were low relative to hierarchy use then the opposite would be the case. Up to the late 1960s average firm size had been increasing in the United States manufacturing sector but afterwards started to decline. Simultaneous with this decline, there was a tremendous increase in investment in information technology capital, from $18.5 billion in 1973 to \$253.7 billion in 1989. This vast expansion in information technology capital has, it is posited, reduced communication and data handling costs, the primary components of search costs. Since market use is more search cost intensive than hierarchy use then the cost of market utilization will have fallen vis-a-vis hierarchy utilization. Hence it is expected that the increase in information technology capital has lead to smaller firm size and less vertical integration. This hypothesis was tested with a series of pooled cross-sectional regression models that made use of data for the U.S. manufacturing sector as well as data for a cross-section of nations for the manufacturing sector as a whole and, separately, for the transportation equipment and electrical machinery industries. The international data was used in order to determine if the posited relationship held internationally as well as for the U.S. The empirical evidence obtained from these models strongly supports the posited hypothesis that information technology capital has caused a decline in firm size and the degree of vertical integration. The proxies used for information technology capital, in nearly all the models used, had the predicted sign and the majority of these signs proved significant at the 10% level of significance.
Perception of Gender Bias on Technical Faculties: A Comparative Case of Two Faculties in Croatia and Slovakia
Creators: name: Nakić, Anamari
name: Cagáňová, Dagmar
name: Horvat Dmitrović, Lana
name: Milišić, Josipa-Pina
name: Žgaljić Keko, Ana
Publisher: name: Zenodo
Year: 2020
Subjects: Gender Equality
Bias
Higher Education
STEM

description: This presentation was given within the CALIPER Workshop at the 7th International Conference on Challenges in Smart Cities and Regions (EAI Mobility IoT 2020). The Conference was co-located with the Summit SmartCity360° and the event was streamed online. The presentation was prepared in the context of the CALIPER project which has received funding from the European Union's Horizon 2020 Research and Innovation Programme under Grant Agreement No 873134.
Reconciling light nuclei and nuclear matter: relativistic $ab\ initio$ calculations
Creators: name: Yang, Y. L.
name: Zhao, P. W.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: It has been a long-standing challenge to accurately predict the properties of light nuclei and nuclear matter simultaneously in nuclear $ab\ initio$ calculations. In this Letter, we develop the relativistic quantum Monte Carlo methods for the nuclear $ab\ initio$ problem, and calculate the ground-state energies of $A\leq4$ nuclei using the two-nucleon Bonn force with an unprecedented high accuracy. For $A=3,4$ nuclei, the present relativistic results significantly outperforms the nonrelativistic results with only two-nucleon forces. Combining the present results for light nuclei and the previous results for nuclear matter with the same Bonn force, a correlation between the properties of light $A\leq4$ nuclei and the nuclear saturation is revealed, and both systems are well described simultaneously, even without introducing three-nucleon forces. This provides a quantitative understanding of the connection between the light nuclei and nuclear matter saturation properties, which has been an outstanding problem in nuclear $ab\ initio$ calculations for decades.
description: 7 pages, 4 figure. Comments and suggestions are welcome
Activities of the Operating Room, July 1943
Creators: name: Martin, John, 1904-1996
Publisher: name: DigitalHub. Galter Health Sciences Library & Learning Center
Year: 1943
Subjects: subject: World War II
subject: 12th General Hospital
subject: Surgery
subject: Surgical Procedures, Operative
subject: Surgical Equipment
subject: Equipment and Supplies, Hospital
subject: Hospitals, Military
subject: Anesthesia
subject: Wounds and Injuries
subject: Laundry Service, Hospital
subject: ʻAyn al-Turk (Algeria)
subject: Wounds and Injuries/therapy

description: These monthly reports consist of statistical tables that note the number of specific types of surgeries the 12th General Hospital Unit performed as well as information about surgical supplies.
Supplemental materials
Creators: name: Martin, Bernardi
Publisher: name: Zenodo
Year: 2021

description: Figure S1 Exaggeration of IL-6 The box plots show the perioperative levels of IL-6 at different time points. In the box plots, the lower boundary of the box indicates the 25th percentile, a black line within the box marks the median, and the upper boundary of the box indicates the 75th percentile. Whiskers above and below the box indicate the 10th and 90th percentiles. Points above and below the whiskers indicate outliers outside the 10th and 90th percentiles. Abbreviations: CPB, cardiopulmonary bypass; POD, postoperative day; sgp130, soluble glycoprotein 130; sIL-6R, soluble interleukin-6 receptor. Table S1 Characteristics in patients with high vs. low sIL−6R/IL−6 ratio
Scherk-Schwarz Supersymmetry Breaking with Radion Stabilization
Creators: name: Gersdorff, G. v.
name: Quiros, M.
name: Riotto, A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the issue of radion stabilization within five-dimensional supersymmetric theories compactified on the orbifold S^1/Z_2. We break supersymmetry by the Scherk-Schwarz mechanism and explain its implementation in the off-shell formulation of five dimensional supergravity in terms of the tensor and linear compensator multiplets. We show that radion stabilization may be achieved by radiative corrections in the presence of five-dimensional fields which are quasi-localized on the boundaries through the presence of Z_2 odd mass terms. For the mechanism to work the number of quasi-localized fields should be greater than 2+N_V-N_h where N_V and N_h are the number of massless gauge- and hypermultiplets in the bulk. The radion is stabilized in a metastable Minkowski vacuum with a lifetime much larger than cosmological time-scales. The radion mass is in the meV range making it interesting for present and future measurements of deviations from the gravitational inverse-square law in the submillimeter range.
description: 16 pages, 4 figures
Pearl-women of Dhaka, Bangladesh
Creators: name: Choudhury, Jahanara Huq
Publisher: name: American University
Year: 2023

description: This is a study of the socio-economic situation of a section of Bangladeshi working women from the semi-nomadic group of the Shandar Bedey. Two hypotheses are presented here, (i) women's contribution toward the family fund enhanced their status in the family and, (ii) income-generation puts them in a disadvantageous position within the larger Bengali society. The methodology includes demographic survey of the area, structured questionnaire, interviews and informal discussions, and participant observation. Both random and purposive sampling were used for the selection of sample. The result of the investigation indicates that a majority of the Shandar families depend on women's income. Women who contribute their income toward the maintenance of the family and control it enjoy greater status and authority in the family. They participate also in major family decision-making. It became evident during the fieldwork that the Shandar want to assimilate into the larger society. In the Shandar society women enjoy freedom of movement that is necessary for their occupation. But presently Shandars are advocating the ideologies of purdah and patriarchy that view women working outside the home as the violation of social norms. While rich Shandar men are withdrawing their women from the labor force, the majority of the Shandar are still dependent on their women's income. The Shandar's emulation of the norms of the larger society indicates that this is a case of Sanskritization noticeable among the lower castes or classes desirous of an upward social mobility. It indicates also that as the financial condition of the family progresses the situation of their women regresses. The bias of the members of the larger society against the semi-nomadic groups makes it difficult for them to gain an entry. However, changes in the Shandar life styles show that a gradual assimilation of the Shandar into the Bengali society could possibly take place in the future.
Scaling exponents saturate in three-dimensional isotropic turbulence
Creators: name: Iyer, Kartik P.
name: Sreenivasan, Katepalli R.
name: Yeung, P. K.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Computational Physics (physics.comp-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: Computation (stat.CO)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: From a database of direct numerical simulations of homogeneous and isotropic turbulence, generated in periodic boxes of various sizes, we extract the spherically symmetric part of moments of velocity increments and first verify the following (somewhat contested) results: the $4/5$-ths law holds in an intermediate range of scales and that the second order exponent over the same range of scales is {\it{anomalous}}, departing from the self-similar value of $2/3$ and approaching a constant of $0.72$ at high Reynolds numbers. We compare with some typical theories the dependence of longitudinal exponents as well as their derivatives with respect to the moment order $n$, and estimate the most probable value of the Hölder exponent. We demonstrate that the transverse scaling exponents saturate for large $n$, and trace this trend to the presence of large localized jumps in the signal. The saturation value of about $2$ at the highest Reynolds number suggests, when interpreted in the spirit of fractals, the presence of vortex sheets rather than more complex singularities. In general, the scaling concept in hydrodynamic turbulence appears to be more complex than even the multifractal description.
A CRITIQUE OF THE ADEQUACY OF KENYA'S LEGAL FRAMEWORK FOR SOCIAL MEDIA REGULATION DURING ELECTIONS.
Creators: name: Baraza, Yuri J.
Publisher: name: Zenodo
Year: 2021
Subjects: Kenya
Elections
Social Media
Regulation
Fake News
Hate Speech

description: Kenya experienced the negative impact of fake news during both the 2013 and 2017 general elections. As a consequence, the government has resorted to the use of draconian and antiquated laws such as the Penal Code and/or enacted some new laws aimed at regulating social media to tame the menace. The Constitution of Kenya on the other hand guarantees fundamental freedoms of expression, free media and access to information. This study argues that these fundamental freedoms face the danger of violation through the kind of legal regulatory mechanisms being deployed by the government. This study set out to examine the adequacy of the regulatory regime in place for the regulation of social media especially during elections, and whether it is suitable in upholding these fundamental freedoms. The study used qualitative research methodology, specifically doctrinal and comparative methods for data collection. For the theoretical framework, the study adopted the proportionality theory due to its potential in the resolution of conflicts between a right and a competing right or interest, which is at the core of this study. It was found that legal approaches to the regulation of fake news, especially criminalization, is counter-productive in a democracy. It was further established that other jurisdictions such as Singapore, Germany, Australia and Canada have preferred non-legal approaches such as self-regulation of social media which could be useful to Kenya. The study recommends a multi-pronged approach in order to effectively safeguard against the impacts of ill-speech. Specific recommendations are that Kenya should have better fact-checkers and authorities committed to responding to public interest; Kenya should adopt limited but necessary legislative support to help generate consensus with a much more effective regulatory mechanism; and that the Government should put in place a legal framework against problematic social media content and in any such strategy, the tech platforms are bound to play the biggest role.
Pus Formation
Creators: name: Black, G. V. (Greene Vardiman), 1836-1915.
Publisher: name: DigitalHub. Galter Health Sciences Library & Learning Center
Year: 1887
Subjects: subject: Abscess
subject: Oral Surgical Procedures
subject: Suppuration
subject: Oral Surgical Procedures
subject: Abscess
subject: Suppuration

description: Recent theories of the formation of pus, considered with reference to dental operations
Renormalizability of the center-vortex free sector of Yang-Mills theory
Creators: name: Fiorentini, D.
name: Junior, D. R.
name: Oxman, L. E.
name: Sobreiro, R. F.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this work, we analyzed a recent proposal to detect $SU(N)$ continuum Yang-Mills sectors labeled by center vortices, inspired by Laplacian-type center gauges in the lattice. Initially, after the introduction of appropriate external sources, we obtained a rich set of sector-dependent Ward identities, which can be used to control the form of the divergences. Next, we were able to show the all-order multiplicative renormalizability of the center-vortex free sector. These are important steps towards the establishment of a first principles, well-defined, and calculable Yang-Mills ensemble.
description: 17 pages. No figures. Final version accepted for publication at the Physical Review D
Bayesian Spatial Homogeneity Pursuit for Survival Data with an Application to the SEER Respiratory Cancer Data
Creators: name: Geng, Lijiang
name: Hu, Guanyu
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applications (stat.AP)
subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: In this work, we propose a new Bayesian spatial homogeneity pursuit method for survival data under the proportional hazards model to detect spatially clustered patterns in baseline hazard and regression coefficients. Specially, regression coefficients and baseline hazard are assumed to have spatial homogeneity pattern over space. To capture such homogeneity, we develop a geographically weighted Chinese restaurant process prior to simultaneously estimate coefficients and baseline hazards and their uncertainty measures. An efficient Markov chain Monte Carlo (MCMC) algorithm is designed for our proposed methods. Performance is evaluated using simulated data, and further applied to a real data analysis of respiratory cancer in the state of Louisiana.
description: 27 pages, 3 figures
Spin-dependent Bohm trajectories for Pauli and Dirac eigenstates of hydrogen
Creators: name: Colijn, C.
name: Vrscay, E. R.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The de Broglie-Bohm causal theory of quantum mechanics is applied to the hydrogen atom in the fully spin-dependent and relativistic framework of the Dirac equation, and in the nonrelativistic but spin-dependent framework of the Pauli equation. Eigenstates are chosen which are simultaneous eigenstates of the energy H, total angular momentum M, and z component of the total angular momentum M_z. We find the trajectories of the electron, and show that in these eigenstates, motion is circular about the z-axis, with constant angular velocity. We compute the rates of revolution for the ground (n=1) state and the n=2 states, and show that there is agreement in the relevant cases between the Dirac and Pauli results, and with earlier results on the Schrodinger equation.
description: 15 pages
Additional file 9 of Cis-regulatory analysis of Onecut1 expression in fate-restricted retinal progenitor cells
Creators: name: Sruti Patoori
name: Jean-Charles, Nathalie
name: Gopal, Ariana
name: Sulaiman, Sacha
name: Gopal, Sneha
name: Wang, Brian
name: Souferi, Benjamin
name: Emerson, Mark M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional File 9. Candidate bHLH factors are not sufficient to induce ectopic ThrbCRM1 activity in the mouse postnatal retina. P0 mice retinae were electroporated with CAG::Bgal (magenta), ThrbCRM1::GFP (green) and the five candidate bHLH factors under the control of CAG. An empty CAG plasmid served as the negative control and CAG::OC1 as a positive control. Retinae were cultured for two days prior to harvest and staining with Bgal, GFP and DAPI.
Pearl-women of Dhaka, Bangladesh
Creators: name: Choudhury, Jahanara Huq
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 44
subject: Human society
classificationCode: 4401
subject: Anthropology
subject: FOS: Sociology

description: This is a study of the socio-economic situation of a section of Bangladeshi working women from the semi-nomadic group of the Shandar Bedey. Two hypotheses are presented here, (i) women's contribution toward the family fund enhanced their status in the family and, (ii) income-generation puts them in a disadvantageous position within the larger Bengali society. The methodology includes demographic survey of the area, structured questionnaire, interviews and informal discussions, and participant observation. Both random and purposive sampling were used for the selection of sample. The result of the investigation indicates that a majority of the Shandar families depend on women's income. Women who contribute their income toward the maintenance of the family and control it enjoy greater status and authority in the family. They participate also in major family decision-making. It became evident during the fieldwork that the Shandar want to assimilate into the larger society. In the Shandar society women enjoy freedom of movement that is necessary for their occupation. But presently Shandars are advocating the ideologies of purdah and patriarchy that view women working outside the home as the violation of social norms. While rich Shandar men are withdrawing their women from the labor force, the majority of the Shandar are still dependent on their women's income. The Shandar's emulation of the norms of the larger society indicates that this is a case of Sanskritization noticeable among the lower castes or classes desirous of an upward social mobility. It indicates also that as the financial condition of the family progresses the situation of their women regresses. The bias of the members of the larger society against the semi-nomadic groups makes it difficult for them to gain an entry. However, changes in the Shandar life styles show that a gradual assimilation of the Shandar into the Bengali society could possibly take place in the future.
Multiplicative functions arising from the study of mutually unbiased bases
Creators: name: Chan, Heng Huat
name: Englert, Berthold-Georg
Publisher: name: arXiv
Year: 2020
Subjects: subject: Number Theory (math.NT)
subject: Quantum Physics (quant-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 11A25, 11T24

description: We embed the somewhat unusual multiplicative function, which was serendipitously discovered in 2010 during a study of mutually unbiased bases in the Hilbert space of quantum physics, into two families of multiplicative functions that we construct as generalizations of that particular example. In addition, we report yet another multiplicative function, which is also suggested by that example; it can be used to express the squarefree part of an integer in terms of an exponential sum.
description: 16 pages; v4 largely identical with v3 except for a few minor edits
Additional file 8 of Cis-regulatory analysis of Onecut1 expression in fate-restricted retinal progenitor cells
Creators: name: Sruti Patoori
name: Jean-Charles, Nathalie
name: Gopal, Ariana
name: Sulaiman, Sacha
name: Gopal, Sneha
name: Wang, Brian
name: Souferi, Benjamin
name: Emerson, Mark M.
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional File 8. Unscaled values from deletion, mutation, and overexpression experiments (A) ECR65 activity from deletions and mutations corresponding to Fig. 4. SP52 and NJ849 refer to two different orientations of ECR65::GFP. (B) ECR65 activity with empty pCAG vector, corresponding to Fig. 5. (C) ECR9 activity from deletions and mutations, corresponding to Fig. 4. NJ1140 and NJ1142 refer to two different orientations of ECR9. (D) ECR9 activity with the empty pCAG vector, corresponding to Fig. 5. (E,F) Mutations of ECR65 and ECR9 with different mutant sequences, corresponding to Fig. 4. Error bars represent 95% confidence interval. Each depicted point represents a biological replicate.
Authority, resistance and the law: A study of the Israeli military court system in the occupied territories
Creators: name: Hajjar, Lisa
Publisher: name: American University
Year: 2023

description: The Israeli military court system is an exemplary context to analyze the articulation of law, politics and identity in Israel and the occupied territories. As an institution, this system is part of the Israeli military administration over the territories. Its politico-legal function is to enable the Israeli authorities to maintain their control over the Palestinian population living under occupation. But the system also has a very important sociological function, which has not been examined previously. It provides one of the few contexts in which diverse sectors of the populations in Israel and the territories have regular and sustained contact. The primary objective of this study is to focus on the military court system as a setting and to use the network of relations among the various categories of participants as a case study to analyze socio-political relations in the broader context. This study focuses on the five main categories of participants: judges, prosecutors, defense lawyers, defendants and translators. By focusing on participants, specifically their roles, practices and interactions, this study provides a detailed assessment of relations within and among the various communities of citizens of Israel and residents of the territories. This study provides a conceptual alternative to the standard variants of the dichotomy paradigm, which assume an essential opposition of "Israeli" versus "Palestinian." The analytical framework in this study integrates a consideration of the politicization of identity differences, the territoriality of Israeli state power, and the structure of socio-political relations throughout Israel and the territories. While the dichotomy is not irrelevant, it is inadequate to accommodate the complexity of socio-political relations among peoples in this area. In practice, as in the example of the military courts, relations often confound the boundaries of dichotomy.
A systematic study of $γ$-ray flares from the Crab Nebula with Fermi-LAT: I. flare detection
Creators: name: Huang, Xiaoyuan
name: Yuan, Qiang
name: Fan, Yi-Zhong
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Significant flares of GeV $γ$-ray emission from the Crab Nebula have been found by AGILE and Fermi-LAT years ago, indicating that extreme particle acceleration and radiation occurs in young pulsar wind nebulae. To enlarge the flare sample and to investigate their statistical properties will be very useful in understanding the nature of the $γ$-ray flares. In this paper, we investigate the flaring emission from the Crab Nebula with eleven year observations of the Fermi-LAT. We identify 17 significant flares in the light curve of the low-energy (synchrotron) component of the $γ$-ray emission. The flare rate is about 1.5 per year, without any significant change or clustering during the 11 years of the observation. We detect a special flare with an extremely long duration of nearly one month, occurred in October, 2018, with synchrotron photons up to energies of about 1GeV. The synchrotron component could be fitted by a steady power-law background and a variable flare component with an expotentially cutoff power-law spectrum, not only for individual flare but also for the combined data, which may favor a similar emission mechanism for all flares. However, we do not find a universal relation between the cutoff energy and the energy fluxes of the flares, which may reflect the complicated acceleration and/or cooling processes of the involved particles.
description: 12 pages, 11 figures, 1 table
Supersymmetric effects on Forward Backward asymmetries of $B \to K \ell^+ \ell^-$
Creators: name: Choudhury, S. R.
name: Cornell, A. S.
name: Gaur, Naveen
name: Joshi, G. C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Leptonic and semi-leptonic rare decays of B-mesons are very clean (both theoretically and experimentally) signatures of any new physics beyond the Standard Model (SM). More specifically the decay \btokll has been theoretically observed to be very sensitive to new physics as the Forward Backward (FB) asymmetry in this decay mode vanishes in the SM. Supersymmetry, however, predicts a non-vanishing value of this asymmetry. In this work we will study the polarized lepton pair FB asymmetry, i.e. the FB asymmetry of the lepton when one (or both) final state lepton(s) are polarized. We will study these asymmetries both within the SM and for Supersymmetric corrections to the SM.
description: 18 pages, RevTeX file including 21 eps figures; version accepted for publication in Phys. Rev. D. Some references added
Analysis of the tetraquark and hexaquark molecular states with the QCD sum rules
Creators: name: Wang, Zhi-Gang
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this article, we construct the color-singlet-color-singlet type currents and the color-singlet-color-singlet-color-singlet type currents to study the scalar $D^*\bar{D}^*$, $D^*D^*$ tetraquark molecular states and the vector $D^*D^*\bar{D}^*$, $D^*D^*D^*$ hexaquark molecular states with the QCD sum rules in details. In calculations, we choose the pertinent energy scales of the QCD spectral densities with the energy scale formula $μ=\sqrt{M^2_{T}-(2{\mathbb{M}}_c)^2}$ and $\sqrt{M^2_{H}-(3{\mathbb{M}}_c)^2}$ for the tetraquark and hexaquark molecular states respectively in a consistent way. We obtain stable QCD sum rules for the scalar $D^*\bar{D}^*$, $D^*D^*$ tetraquark molecular states and the vector $D^*D^*\bar{D}^*$ hexaquark molecular state, but cannot obtain stable QCD sum rules for the vector $D^*D^*D^*$ hexaquark molecular state. The connected (nonfactorizable) Feynman diagrams at the tree level (or the lowest order) and their induced diagrams via substituting the quark lines make positive contributions for the scalar $D^*D^*$ tetraquark molecular state, but make negative or destructive contributions for the vector $D^*D^*D^*$ hexaquark molecular state. It is of no use or meaningless to distinguish the factorizable and nonfactorizable properties of the Feynman diagrams in the color space in the operator product expansion so as to interpret them in terms of the hadronic observables, we can only obtain information about the short-distance and long-distance contributions.
description: 22 pages, 18 figures. arXiv admin note: text overlap with arXiv:2002.06202
Light Yield and Uniformity Measurements of Different Scintillator Tiles with Silicon Photomultipliers
Creators: name: Eigen, Gerald
name: Lee, Graham R.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present light yield and uniformity measurements of square and hexagonal tiles read out with silicon photomultipliers via a Y11 wavelength-shifting fiber or directly from the side or from the center at the top face. All tiles are 3~mm thick and have an area of $\rm 9~cm^2$. The sides are wrapped with two layers of Teflon tape while top and bottom faces are covered with two layers of Tyvec paper. We further show the first light yield and uniformity measurements of ATLAS Tile Calorimeter (TileCal) tiles with MPPC readout. This study has been motivated by looking into a possible phase 3 upgrade for the ATLAS hadron calorimeter and for hadron calorimeters at future hadron colliders.
description: seven pages, seven figures, proceedings of the Calorimetry at the High-Energy Frontier (CHEF 2019)
Nesting maps of Grassmannians
Creators: name: De Concini, C.
name: Reichstein, Z.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Algebraic Geometry (math.AG)
subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics

description: Let F be a field and i < j be integers between 1 and n. A map of Grassmannians f : Gr(i, F^n) --> Gr(j, F^n) is called nesting, if l is contained in f(l) for every l in Gr(i, F^n). We show that there are no continuous nesting maps over C and no algebraic nesting maps over any algebraically closed field F, except for a few obvious ones. The continuous case is due to Stong and Grover-Homer-Stong; the algebraic case in characteristic zero can also be deduced from their results. In this paper we give new proofs that work in arbitrary characteristic. As a corollary, we give a description of the algebraic subbundles of the tangent bundle to the projective space P^n over F. Another application can be found in a recent paper math.AC/0306126 of George Bergman.
Homology of categories via polygraphic resolutions
Creators: name: Guetta, Léonard
Publisher: name: arXiv
Year: 2020
Subjects: subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics

description: In this paper, we extend a result of Lafont and M{é}tayer and prove that the polygraphic homology of a small category, defined in terms of polygraphic resolutions in the category $ω$Cat of strict $ω$-categories, is naturally isomorphic to the homology of its nerve. Along the way, we prove some results on homotopy colimits with respect to the Folk model structure and deduce a theorem which formally resembles Quillen's Theorem A.
Activities of the Operating Room, November 1944
Creators: name: Bradburn, George Burmell, 1908-1968
Publisher: name: DigitalHub. Galter Health Sciences Library & Learning Center
Year: 1944
Subjects: subject: World War II
subject: 12th General Hospital
subject: Surgery
subject: Surgical Procedures, Operative
subject: Surgical Equipment
subject: Equipment and Supplies, Hospital
subject: Hospitals, Military
subject: Anesthesia
subject: Wounds and Injuries
subject: Rome (Italy)
subject: Livorno (Italy)
subject: Wounds and Injuries/therapy

description: These monthly reports consist of statistical tables that note the number of specific types of surgeries the 12th General Hospital Unit performed as well as information about surgical supplies.
Authority, resistance and the law: A study of the Israeli military court system in the occupied territories
Creators: name: Hajjar, Lisa
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 44
subject: Human society
classificationCode: 4410
subject: Sociology
subject: FOS: Sociology

description: The Israeli military court system is an exemplary context to analyze the articulation of law, politics and identity in Israel and the occupied territories. As an institution, this system is part of the Israeli military administration over the territories. Its politico-legal function is to enable the Israeli authorities to maintain their control over the Palestinian population living under occupation. But the system also has a very important sociological function, which has not been examined previously. It provides one of the few contexts in which diverse sectors of the populations in Israel and the territories have regular and sustained contact. The primary objective of this study is to focus on the military court system as a setting and to use the network of relations among the various categories of participants as a case study to analyze socio-political relations in the broader context. This study focuses on the five main categories of participants: judges, prosecutors, defense lawyers, defendants and translators. By focusing on participants, specifically their roles, practices and interactions, this study provides a detailed assessment of relations within and among the various communities of citizens of Israel and residents of the territories. This study provides a conceptual alternative to the standard variants of the dichotomy paradigm, which assume an essential opposition of "Israeli" versus "Palestinian." The analytical framework in this study integrates a consideration of the politicization of identity differences, the territoriality of Israeli state power, and the structure of socio-political relations throughout Israel and the territories. While the dichotomy is not irrelevant, it is inadequate to accommodate the complexity of socio-political relations among peoples in this area. In practice, as in the example of the military courts, relations often confound the boundaries of dichotomy.
Alarm- und Feuer-Ordnung der Stadt Basel
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1445

description: Öffentliche Bibliothek der Universität Basel
description: Deutsch (Alemannisch)
description: Es handelt sich um eine der zwischen 1392 und 1452 erlassenen Verordnungen. Geschenk von Benedikt Meyer-Kraus, 27. März 1878 (Eintrag unten auf der recto-Seite). Eingegangen in die Mittelalterliche Sammlung Wilhelm Wackernagels, angelegt ab 1856, eingeklebt von Ludwig Sieber in Album 3 (N I 3); herausgelöst und konservatorisch neu verpackt 2015/2016.
description: Verzeichnung=Description=Inventaire Mai 2017 HAN-Katalogisierungsregeln Minimalaufnahme nach: Binz, 1936
description: Digitalisierung=Digitization=Numérisation August 2024 TIFF
description: Erschliessungsniveau Minimalniveau
Bose-Einstein transition temperature in a dilute repulsive gas
Creators: name: Holzmann, Markus
name: Fuchs, Jean-Noel J. N.
name: Baym, Gordon G.
name: Blaizot, Jean-Paul J. P.
name: Laloe, Franck F.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Condensed Matter (cond-mat)
subject: FOS: Physical sciences

description: We discuss certain specific features of the calculation of the critical temperature of a dilute repulsive Bose gas. Interactions modify the critical temperature in two different ways. First, for gases in traps, temperature shifts are introduced by a change of the density profile, arising itself from a modification of the equation of state of the gas (reduced compressibility); these shifts can be calculated simply within mean field theory. Second, even in the absence of a trapping potential (homogeneous gas in a box), temperature shifts are introduced by the interactions; they arise from the correlations introduced in the gas, and thus lie inherently beyond mean field theory - in fact, their evaluation requires more elaborate, non-perturbative, calculations. One illustration of this non-perturbative character is provided by the solution of self-consistent equations, which relate together non-linearly the various energy shifts of the single particle levels k. These equations predict that repulsive interactions shift the critical temperature (at constant density) by an amount which is positive, and simply proportional to the scattering length a; nevertheless, the numerical coefficient is difficult to compute. Physically, the increase of the temperature can be interpreted in terms of the reduced density fluctuations introduced by the repulsive interactions, which facilitate the propagation of large exchange cycles across the sample.
description: two minor corrections, two refs added
A study of the spin structure of the neutron in deep inelastic scattering of polarized electrons on polarized neutrons
Creators: name: Spengos, Michael Spyro
Publisher: name: American University
Year: 2023

description: The internal spin structure of the neutron, was studied in deep inelastic scattering of longitudinally polarized electrons from a polarized $\sp3$He target in the End Station A of the Stanford Linear Accelerator Center (SLAC). The spin asymmetry of the neutron was measured at energies between 19 and 26 GeV in the range 0.03 $\le$ x $\le$ 0.06 at an average Q$\sp2$ of 2 (GeV/c)$\sp2$. The results are in agreement with a new measurement of the asymmetry by SMC within their six times larger uncertainties. The spin dependent structure function $g\sb1(x)$ for the neutron was determined from the asymmetry measurement and, its integral over x is found to be ${\int\limits\sbsp{0}{1}}g\sbsp{1}{n}(x)dx = -0.038 \pm 0.009.$ This result is 2.7 standard deviations from the Ellis-Jaffe Sum Rule and combined with the EMC results from the proton in very good agreement with the Bjorken Sum Rule. In the Quark Parton Model (QPM), in conjunction with the weak coupling constants F and D, from baryon decay, the result implies that the quarks contribute approximately 32% of the nucleon helicity. Finally, different ways of evolving the data, based on various theoretical models, is attempted and future aspects for spin physics, with emphasis at spin physics at SLAC, are discussed.
A study of the spin structure of the neutron in deep inelastic scattering of polarized electrons on polarized neutrons
Creators: name: Spengos, Michael Spyro
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 51
subject: Physical sciences
subject: FOS: Physical sciences
classificationCode: 5106
subject: Nuclear and plasma physics
classificationCode: 5107
subject: Particle and high energy physics

description: The internal spin structure of the neutron, was studied in deep inelastic scattering of longitudinally polarized electrons from a polarized $\sp3$He target in the End Station A of the Stanford Linear Accelerator Center (SLAC). The spin asymmetry of the neutron was measured at energies between 19 and 26 GeV in the range 0.03 $\le$ x $\le$ 0.06 at an average Q$\sp2$ of 2 (GeV/c)$\sp2$. The results are in agreement with a new measurement of the asymmetry by SMC within their six times larger uncertainties. The spin dependent structure function $g\sb1(x)$ for the neutron was determined from the asymmetry measurement and, its integral over x is found to be ${\int\limits\sbsp{0}{1}}g\sbsp{1}{n}(x)dx = -0.038 \pm 0.009.$ This result is 2.7 standard deviations from the Ellis-Jaffe Sum Rule and combined with the EMC results from the proton in very good agreement with the Bjorken Sum Rule. In the Quark Parton Model (QPM), in conjunction with the weak coupling constants F and D, from baryon decay, the result implies that the quarks contribute approximately 32% of the nucleon helicity. Finally, different ways of evolving the data, based on various theoretical models, is attempted and future aspects for spin physics, with emphasis at spin physics at SLAC, are discussed.
Existence, regularity and uniqueness of weak solutions with bounded magnetic fields to the steady Hall-MHD system
Creators: name: Zeng, Yong
name: Zhang, Zhibing
Publisher: name: arXiv
Year: 2020
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35J60, 35Q35, 35Q60

description: Under the condition of small external forces, we obtain existence of a weak solution of the steady Hall-MHD system with Hölder continuous magnetic field. We also established regularity of weak solutions provided that magnetic fields are bounded. For sufficiently small external forces, uniqueness result is also established.
description: the final version
Väterbuch, gereimt (Fragment)
Creators: name: [s.n.]
Publisher: name: [s.n.]
Year: 1300

description: Öffentliche Bibliothek der Universität Basel
description: Deutsch (alemannisch)
description: Aus einem Buchdeckel herausgelöst. Geschenk von Felix Schneiders Antiquariat in Basel.
description: Edition: Reissenberger, Karl (Hg.). - Das Väterbuch. Aus der Leipziger, Hildesheimer und Strassburger Handschrift. - Berlin, 1914 (Deutsche Texte des Mittelalters 22) bzw. Nachdruck Dublin/Zürich, 1967
description: Richert, Hans-Georg. - Über einige Fragmente geistlicher deutscher Dichtung. In: Beiträge zur Geschichte der deutschen Sprache und Literatur (Tübingen) ; 91 (1969), S. 302-312, hier S. 310 Fragm. 16
description: Klein, Klaus. - Die Überlieferung des 'Väterbuchs'. - In: Neue Studien zur Literatur im Deutschen Orden, hg. von Bernhart Jähnig und Arno Mentzel-Reuters (ZfdA. Beiheft 19). - Stuttgart, 2014, S. 117-126, hier S. 125
description: Verzeichnung=Description=Inventaire Mai 2017 HAN-Katalogisierungsregeln Minimalaufnahme nach: Binz, 1936
description: Verzeichnung=Description=Inventaire August 2024 HAN-Katalogisierungsregeln Minimalaufnahme nach: Binz (1936) und Klein (2014), mit Ergänzungen Studer
description: Digitalisierung=Digitization=Numérisation August 2024 TIFF
description: Erschliessungsniveau Minimalniveau
Quantum gates with topological phases
Creators: name: Ionicioiu, Radu
Publisher: name: arXiv
Year: 2003
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate two models for performing topological quantum gates with the Aharonov-Bohm (AB) and Aharonov-Casher (AC) effects. Topological one- and two-qubit Abelian phases can be enacted with the AB effect using charge qubits, whereas the AC effect can be used to perform all single-qubit gates (Abelian and non-Abelian) for spin qubits. Possible experimental setups suitable for a solid state implementation are briefly discussed.
description: 2 figures, RevTex4