cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Towards relating the kappa-symmetric and pure-spinor versions of the supermembrane
Creators: name: Babalic, Mirela
name: Wyllard, Niclas
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the relation between the kappa-symmetric formulation of the supermembrane in eleven dimensions and the pure-spinor version. Recently, Berkovits related the Green-Schwarz and pure-spinor superstrings. In this paper, we attempt to extend this method to the supermembrane. We show that it is possible to reinstate the reparameterisation constraints in the pure-spinor formulation of the supermembrane by introducing a topological sector and performing a similarity transformation. The resulting BRST charge is then of conventional type and is argued to be (related to) the BRST charge of the kappa-symmetric supermembrane in a formulation where all second class constraints are 'gauge unfixed' to first class constraints. In our analysis we also encounter a natural candidate for a (non-covariant) supermembrane analogue of the superstring b ghost.
description: 15 Pages
ПРАВОВОЕ РЕГУЛИРОВАНИЕ КРУПНЫХ СДЕЛОК И СДЕЛОК С ЗАИНТЕРЕСОВАННОСТЬЮ В РОССИЙСКОМ И АНГЛО- САКСОНСКОМ ПРАВЕ: СРАВНИТЕЛЬНО-ПРАВОВОЙ АНАЛ ИЗ
Creators: name: КОЖАКОВА Зульфия Шахарбиевна
name: МАСКОВА Дисана Артуровна
Publisher: name: Образование и право
Year: 2020
Subjects: крупные сделки
сделки с заинтересованностью
институт аффилированности
сравнительный анализ
недействительность сделки
заключение сделки
оспаривание сделки
одобрение сделки

description: В настоящей статье рассматриваются особенности проведения операций с крупными сделками и сделками с заинтересованностью в рамках российской юридической системы и за ее пределами. В частности, ведется изучение и сравнение порядка заключения и оспаривания такого рода сделок в России, Соединенных Штатах Америки и Великобритании. Данная тематика на сегодняшний день недостаточно разработана, как в теоретическом, так и в практическом аспектах. В силу относительной молодости вышеназванного института в РФ суды и законодательные органы не успели внести существенных изменений для усовершенствования процесса регулирования этих сделок, в то время как страны англо-саксонской правовой системы уже долгое время взаимодействуют с субъектами подобных правоотношений. Таким образом, целью исследования предстает проведение сравнительно-правового анализа института крупных сделок и сделок, в которых имеется заинтересованность в российском праве и законодательствах стран общего права. Методологическую основу исследования составил анализ национальных и международно-правовых источников права, регулирующих процессы в указанной области, в т.ч. раскрываются последствия применения несовершенных норм. В результате проведенного исследования были рассмотрены основные категории крупных сделок и сделок с заинтересованностью, раскрыт институт аффилированности в разных государствах, а также найдены основные отличия и сходства содержания их корпоративно-правовых процедур.
The variables of logicality
Creators: name: Morris, Harold C.
Publisher: name: University of British Columbia
Year: 2010

description: This thesis is concerned with the analysis, explication and measurement of the psychological construct of logicality. Logicality is defined in terms of an ability to work with logical form at a fairly explicit level of awareness. Logical form, a concept borrowed from formal logic, is described and shown to have properties corresponding to different logical activities: (1) logical forms can be valid or invalid, and so can be judged as such; (2) particular logical forms can be identical, in spite of differing content, and so can be matched as such; and (3) a set of logically structured givens can be extended to permit disclosure of some inference or answer, and so solutions to deductive problems can be found. To each of these logical activities there corresponds an ability to perform the activity, and it is by this route that the three components of logicality are arrived at. They are identified as the following: (1) logical judgment, in which an argument's form is evaluated for validity; (2) logical intuition, in which arguments are matched for identity of form; and (3) deductive problem solving, conceived of as a derivation-like cognitive process in which an inference is drawn from a set of logically structured givens. In reviewing the psychological literature pertaining to each of these proposed variables it is noted that these aspects of logicality have always been studied in isolation from one another. An important question though is whether or to what extent logicality is a unitary trait. One approach to answering this question is to determine the degree of intercorrelation exhibited by the variables. With this test of the unitariness of logicality in mind operational definitions of the three variables are developed. Subjects drawn from a population of university students of diverse majors (1) evaluated argument forms as to their validity, to assess logical judgment; (2) matched argument forms to assess logical intuition; and (3) answered various questions relating to deductive story problems to assess deductive problem solving ability. A significant correlation was found between measures of logical judgment and logical intuition, although the magnitude of this correlation (,r= +.38) was not great. Deductive problem solving was not correlated with either logical judgment or logical intuition. The unitariness of logicality is discussed in light of these findings, with the conclusion drawn that the variables appear as relatively independent in manifestation, perhaps because of differential previous practice by subjects. The implications of the present analysis of logicality and of the empirical findings on the intercorrelation of the variables are discussed and suggestions for future research offered.
Prospects for (non-SUSY) new physics with first LHC data
Creators: name: Butterworth, J. M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The ATLAS and CMS experiments will take first data soon. I consider here the prospects for new physics (excluding SUSY) with a few inverse fb of data. This means processes with signal cross sections of a few 100 fb or less, with clear and fairly simple signatures - precision comparison of data to Standard Model tails will take longer, needing more luminosity and very good understanding of detector calibrations, resolutions and trigger efficiencies. The approach I take here is signature rather than model based, but examples of models will be given.
description: 4 pages, 1 figure. Contribution to 13th Annual Symposium of Particles, Strings and Cosmology (PASCOS 07), July 2007
Additional file 2 of Rapid tannin profiling of tree fodders using untargeted mid-infrared spectroscopy and partial least squares regression
Creators: name: Ortuño, Jordi
name: Stergiadis, Sokratis
name: Koidis, Anastasios
name: Smith, Jo
name: Humphrey, Chris
name: Whistance, Lindsay
name: Theodoridou, Katerina
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 2: Figure S2. Variable importance of FT-MIR spectra to phytochemical calibrations for oak, field maple and willow (VIP analysis).
Axions and polarisation of quasars
Creators: name: Payez, A.
name: Cudell, J. R.
name: Hutsemekers, D.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present results showing that, thanks to axion-photon mixing in external magnetic fields, it is actually possible to produce an effect similar to the one needed to explain the large-scale coherent orientations of quasar polarisation vectors in visible light that have been observed in some regions of the sky.
description: Contributed to "Three days of Strong Interactions & Astrophysics, Heidelberg-Liege-Paris-Wroclaw", 6/3/2008-8/3/2008, Spa, Belgium. To be published in AIP proceedings
Chaos in Kundt type III Spacetimes
Creators: name: Sakalli, I.
name: Halilsoy, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider geodesics motion in a particular Kundt type III spacetime in which Einstein-Yang-Mills equations admit solutions. On a particular surface as constraint we project the geodesics into the (x,y) plane and treat the problem as a 2-dimensional one. Our numerical study shows that chaotic behavior emerges under reasonable conditions.
description: 4 Figures
Controlling Fano Profiles via Conical Intersections
Creators: name: Berlatzky, Yoav
name: Klaiman, Shachar
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: An ab initio analytical model for Fano resonances in two-channel systems is presented. We find that the lineshape parameter q factors into a background contribution q_b that depends only on the uncoupled channels and an interaction contribution q_i that is affected by the coupling between the channels, revealing how the overall lineshape parameter q may be controlled. In particular, we show how conical intersections of the background phase shifts have an important role in the interplay between q_b and q_i. Finally, control of Fano transmission profiles through q_b and q_i is demonstrated for quantum billiards.
description: 4 pages, 3 figures
Nonstandard Models and Optimization
Creators: name: Kutateladze, S. S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Optimization and Control (math.OC)
subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 90C29, 03H05, 47B60

description: This is an overview of a few possibilities that are open by model theory in applied mathematics. Most attention is paid to the present state and frontiers of the Cauchy method of majorants, approximation of operator equations with finite-dimensional analogs, and the Lagrange multiplier principle in multiobjective decision making.
description: An extended version of a talk prepared for the International Conference "Methods of Logic in Mathematics V," June 1--6, 2008, St. Petersburg
Dynamical suppression of non-adiabatic modes
Creators: name: Giovannini, Massimo
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recent analyses of the WMAP 5-year data constrain possible non-adiabatic contributions to the initial conditions of CMB anisotropies. Depending upon the early dynamics of the plasma, the amplitude of the entropic modes can experience a different suppression by the time of photon decoupling. Explicit examples of the latter observation are presented both analytically and numerically when the post-inflationary dynamics is dominated by a stiff contribution.
description: 9 pages, four figures
FAIRsharing: promoting the value of standards and repositories for scholarly communication
Creators: name: Lister, Allyson L.
Publisher: name: Zenodo
Year: 2021
Subjects: subject: FAIR data
subject: FAIRsharing
subject: Data standards
subject: Databases
subject: Data policies
subject: Resource discovery
subject: http://www.fairsharing.org/ontology/subject/SRAO_0000401

description: FAIRsharing is an informative and educational resource on interlinked standards, repositories and policies, three key elements of the FAIR ecosystem. FAIRsharing promotes the existence and value of these resources to aid data sharing and consequently strengthen scholarly communication. FAIRsharing aims to foster a culture change within the research community such that use of databases and standards for FAIRer data is pervasive and seamless. This is achieved by guiding consumers to discover, select and use these resources with confidence. FAIRsharing is adopted by funders, publishers and communities across all disciplines.
Macrothrix undefined-2
Creators: name: Gusakov, Vladimir A.
name: Dien, Tran Duc
name: Tran, Hoan Quoc
name: Thanh, Nguyen Thi Hai
name: Huan, Phan Trong
name: Ha, Vo Thi
name: Dinh, Cu Nguyen
Publisher: name: Zenodo
Year: 2025
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Branchiopoda
Anomopoda
Macrothricidae
Macrothrix
Macrothrix undefined-2

description: 13.** Macrothrix sp. 2
(Fig. 3A–D)
Localities and specimens found: 25 – 4♀, 2♀ ov, 1j; 26 – 2♀, 1j.
Distribution and ecology. This uncertain Macrothrix member was discovered in the open and plant-filled littoral of one of the reservoirs (see Appendix 1).
Remarks. At the moment, the exact species identity of these individuals is not clear. More material and further research are needed to resolve this issue. It is possible that this is a new, not-yet-described representative of the genus. Based on the key diagnostic characteristics (dilating distally antennules, short distal segments of setae natatoriae, specific armament of the setae of the outer lobe of the limb I), the Vietnamese Macrothrix sp. 2 is most similar to M. spinosa King, 1853, which is widely known in the Oriental region, and to the Australian M. breviseta Smirnov, 1976 (Smirnov 1992). As in the first species, our individuals have the entire dorsal margin of valves clearly serrated (Fig. 3A, C). At the same time, the structure of their antennules, bearing distally several transverse groups of relatively long setules on the anterior side (Fig. 3A, B), is more similar to those of M. breviseta. However, the dorsal margin of valves of M. breviseta has serrulations mainly in the area of the head pore. In addition, the Vietnamese Macrothrix sp. 2 also differs from both named species by an even shorter distal segment of the natatoriae setae (Fig. 3A, D).
description: Published as part of Gusakov, Vladimir A., Dien, Tran Duc, Tran, Hoan Quoc, Thanh, Nguyen Thi Hai, Huan, Phan Trong, Ha, Vo Thi & Dinh, Cu Nguyen, 2025, An annotated checklist of the main representatives of meiobenthos from inland water bodies of Central and Southern Vietnam. III. Water fleas (Cladocera), pp. 401-455 in Zootaxa 5613 (3) on page 410, DOI: 10.11646/zootaxa.5613.3.1, http://zenodo.org/record/15216705
Additional file 4 of Rapid tannin profiling of tree fodders using untargeted mid-infrared spectroscopy and partial least squares regression
Creators: name: Ortuño, Jordi
name: Stergiadis, Sokratis
name: Koidis, Anastasios
name: Smith, Jo
name: Humphrey, Chris
name: Whistance, Lindsay
name: Theodoridou, Katerina
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 4: Table S1. Summary of Calibration and Prediction PCR parameters for the tannin profile. Table S2. Summary of Calibration and Prediction MLR parameters for the tannin profile.
Logarithmic comparison theorem versus Gauss-Manin system for isolated singularities
Creators: name: Schulze, Mathias
Publisher: name: arXiv
Year: 2007
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 32S35, 32S40, 14F40

description: For quasihomogeneous isolated hypersurface singularities, the logarithmic comparison theorem has been characterized explicitly by Holland and Mond. In the non quasihomogeneous case, we give a necessary condition for the logarithmic comparison theorem in terms of the Gauss-Manin system of the singularity. It shows in particular that the logarithmic comparison theorem can hold for a non quasihomogeneous singularity only if 1 is an eigenvalue of the monodromy.
description: 9 pages
Epistemic foundations
Creators: name: Rée, Robert
Publisher: name: University of British Columbia
Year: 2010

description: A traditional foundationalist such as Lewis claims that without absolutely certain foundational beliefs our empirical claims about the world would be arbitrary, for if justification would be a matter of coherence alone, it would be possible to believe anything whatever. Lewis holds that statements about our immediate sensory experiences are absolutely certain because they are incorrigible, but Armstrong, Ayer, Goodman and Sikora have shown that it is both logically and factually possible to be mistaken about one's current sensory experiences. The question is then whether some kind of foundational view of justification can be maintained without the existence of absolutely certain or incorrigible beliefs. Annis, Ayer, Delaney and Sikora all have formulated foundational accounts of justification without relying on absolutely certain beliefs, but objections can be made to some of these accounts to show that they do not really work. Williams charges that any kind of foundational view of justification is doomed to failure because there are no such things as intrinsically credible beliefs. But it can be shown that, without intrinsically credible beliefs, Williams's no-foundations view of justification is radically defective, and the view will be defended that sensory judgements have at least some degree of intrinsic credibility.
Palladium Nanoparticles Supported on Zirconium Metal Organic Framework as an Efficient Heterogeneous Catalyst for the Suzuki–Miyaura Coupling Reaction
Creators: name: Dehghanpour, Saeed
name: M. Pourkhosravani
name: F. Farzaneh
Publisher: name: figshare
Year: 2021
Subjects: subject: Crystallography
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: 39904 Organometallic Chemistry

description: AbstractNanoparticles of zirconium metal organic framework UiO-66 (about 100 nm) have been used as proper supports for Pd nanoparticles. Highly dispersed Pd nanoparticles (about 3–15 nm) were deposed on activated UiO-66 metal organic framework using simple wet impregnation method at room temperature. UiO-66 and the supported Pd nanoparticles (Pd/UiO-66) were characterized by X-ray diffraction, N2 sorption, field emission scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy and inductively coupled plasma atomic emission spectroscopy. Investigation of the catalytic performance of Pd/UiO-66 showed that the synthetic nanocomposites can effectively catalyze the Suzuki– Miyaura cross-coupling reaction of benzeneboronic acid with different aryl halides under mild reaction conditions using environmentally benign solvents. In addition, the stability and reusability of the catalyst were studied during the catalytic reaction and it is worth noting that the structure of Pd/UiO-66 catalyst remains intact during the catalytic reaction and the catalyst can be recycled four times without significant decrease in its catalytic activity.
Evidence of longterm cyclic evolution of radio pulsar periods
Creators: name: Biryukov, Anton
name: Beskin, Gregory
name: Karpov, Sergey
name: Chmyreva, Lisa
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The measurements of pulsar frequency second derivatives have shown that they are 1e2...1e6 times larger than expected for standard pulsar spin-down law. Moreover, the second derivatives as well as braking indices are even negative for about half the pulsars. We explain these paradoxical results on the basis of the statistical analysis of the rotational parameters f0, f1 and f2 of the subset of 295 pulsars taken mostly from the ATNF database. We have found a strong correlation between f2 and f1 for both f2 > 0 (correlation coefficient r ~ 0.9) and f2 < 0 (r ~ 0.85), as well as between f0 and f1 (r ~ 0.6...0.7). We interpret these dependencies as evolutionary ones due to f1 being nearly proportional to the pulsars' age. The derived statistical relations as well as "anomalous" values of f2 are well described by assuming the existence of long-time variations of the spin-down rate. The pulsar frequency evolution, therefore, consists of secular change of f0_{ev}(t), f1_{ev}(t) and f2_{ev}(t) according to the power law with n ~ 5, the irregularities, observed within the timespan as timing noise, and the non-monotonous variations on the timescale of several tens of years, which is larger than that of the timespan. It is possible that the nature of long-term variations is similar to that of short-term ones. The idea of non-constant secular pulsars' braking index n is also analysed.
description: 8 pages, 8 figures. To appear in Advances in Space Research in the proceedings of the 36th COSPAR Scientific Assembly, Beijing, July 2006
The Harmonic Series and the nth Term Test for Divergence
Creators: name: Bradley, David M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: History and Overview (math.HO)
subject: FOS: Mathematics
subject: 40-01

description: The divergence of the harmonic series is proved by direct comparison with a series whose nth partial sum telescopes to the natural logarithm of n. The key idea is to apply the classical inequality x>=log(1+x) (valid for x>-1) with x=1/k and sum over k, 1<=k<=n-1.
description: 1 page AMSLaTeX
Canonical Melnikov theory for diffeomorphisms
Creators: name: Lomelí, H. E.
name: Meiss, J. D.
name: Ramírez-Ros, R.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Dynamical Systems (math.DS)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study perturbations of diffeomorphisms that have a saddle connection between a pair of normally hyperbolic invariant manifolds. We develop a first-order deformation calculus for invariant manifolds and show that a generalized Melnikov function or Melnikov displacement can be written in a canonical way. This function is defined to be a section of the normal bundle of the saddle connection. We show how our definition reproduces the classical methods of Poincaré and Melnikov and specializes to methods previously used for exact symplectic and volume-preserving maps. We use the method to detect the transverse intersection of stable and unstable manifolds and relate this intersection to the set of zeros of the Melnikov displacement.
description: laTeX, 31 pages, 3 figures
Inbound Tourism in Bangladesh: the Trend of Competitiveness
Creators: name: Rahman, Mizanur
Publisher: name: figshare
Year: 2021
Subjects: subject: 150603 Tourism Management
subject: FOS: Economics and business

description: This study presented an overview of Bangladesh's tourism sector, which also strived to identify the opportunities and challenges that warrant policy interventions. Both primary and secondary data were used in this research. It was found that the frequency of inbound tourists' arrival showed a declining trend. The tourism sector's growth cannot keep pace with national growth domestic product though Bangladesh's global rank and score showed an increasing trend. Despite economic upsurging and vast potentiality, Bangladesh could not be a popular destination for foreign tourists. Cultural and natural resources, and tourist and airport infrastructure have been identified as the disadvantaged pillars. The country cannot offer cheaper and more comfortable accommodation and transportation facilities. There is a lack of diversity in tourism events and fun making elements. Online tourist platforms, booking, and financial transactions are not widely available and accessible. Supermall and safe food providing agencies have not been developed across the country. The study advocates for formulating a holistic national tourism policy eyeing achieving sustainable development goals. There is ample scope for developing a regional tourism hub taking Bhutan and Nepal.
Rural land use conflicts : a case study of Central Saanich
Creators: name: Olsen, Tracy Louise
Publisher: name: University of British Columbia
Year: 2010

description: Land use conflict in the rural urban fringe is a problem for Canadian agriculture, as well as for local governments responsible for land use controls. Development of non-agricultural uses adjacent to farms may lead to limitations on the productive capacity of farming operations, as well as increasing the danger of further irreversible conversion of land with good agricultural capability. At the same time it must be recognized that the effects of some common agricultural practices on suburban land uses constitute the sort of nuisance that zoning is intended to prevent. It is clear from the literature and common sense, and confirmed in a case study analysis of Central Saanich, B.C., that the traditional land use controls often do not work effectively in these situations. Because each land use conflict of this type is specific to a particular site and involves local farming practices, the local level of government is most familiar with the issues and thus may be in the best position to exercise appropriate controls. Local governments may, however, choose to ignore their responsibility or may for fiscal reasons prefer to see non-agriculrural development of the community. Traditional land use controls have not been effective in preventing rural land use conflicts, for often the problem has reached a critical level in the community or else a crisis situation demanding an immediate response develops before any action is taken. By this time, many of the potential land use conflicts are actually in existence. However, failure to plan, delay in responding to rural land use conflicts, and conflicting interests in non-agricultural land use are not the only reasons that local government has difficulty in coping with the problem. Land use control techniques suitable for application to this problem have inherent inadequacies and weaknesses or are not acceptable to agricultural producers. Analysis of Central Saanich shows that all of these factors led the Council to consider "Green Zoning". However, there is reason to believe that this form of zoning, including limitations placed on operation of a farm unit, would also prove disappointing. Moreover the problem is too intricate and pervasive to be handled entirely by local government. It is therefore up to the senior governments to facilitate local management of the problem and to offer assistance and guidance. If a local government refuses to address the problem of rural land use conflicts, then more coercive measures may have to be taken by a senior government. In addition to the complementary use of certain land use control mechanisms, there is also the need for more comprehensive programmes which include non-regulatory measures in addition to the regulatory ones. These include increased citizen participation, greater public and political support, and an increased awareness of the impacts that rural land use conflicts are having on Canada's agricultural base.
Higgs Boson Production in Association with Multiple Hard Jets
Creators: name: Andersen, Jeppe R.
name: Del Duca, Vittorio
name: White, Chris D.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We elucidate a new technique for estimating the production of multiple (at least two) hard jets in Higgs production via gluon-gluon fusion. The approach is based upon high energy factorisation, with the region of applicability extended by constraints on the analytic behaviour of the scattering amplitudes stemming from known all-order results. The method approximates both real and virtual corrections, and allows for the resummation in an n-parton inclusive event sample of the terms dominant in the high energy limit. The resulting approximation is matched to the known tree level matrix elements for the production of a Higgs boson in association with 2 and 3 jets, and implemented in a Monte Carlo generator. Example results are presented and characteristic radiation patterns discussed.
description: 39 pages, v2: 43 pages, extended sections comparing to fixed order results
Lepton flavor violation in the Littlest Higgs Model with T parity realizing an inverse seesaw
Creators: name: Pacheco, Iván
name: Roig, Pablo
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study lepton flavor violation (LFV) within the Littlest Higgs Model with T parity (LHT) realizing an inverse seesaw (ISS) mechanism of type I. With respect to the traditional LHT, there appear new $\mathcal{O}$(\textcolor{black}{10} TeV) Majorana neutrinos, driving LFV. For $τ\to\ell\ell'\bar{\ell}"$ (including wrong-sign, $\ell=e, μ$) decays and $μ\to e$ conversion in Ti, we get typical rates only one order of magnitude below present bounds ($\ell\to\ell'γ$ can reach the current upper limit) and for $Z\to\barτ\ell$, $μ\to e e \bar{e}$ and conversion in Au, results are within two orders of magnitude from present limits. Correlations among modes are drastically different to the traditional LHT and other models, which would ease the confrontation of this scenario to eventual measurements of LFV processes involving charged leptons.
description: 41 pages, 19 figures, 3 tables
Observational appearances of isolated stellar-mass black hole accretion - theory and observations
Creators: name: Beskin, G.
name: Biryukov, A.
name: Karpov, S.
name: Plokhotnichenko, V.
name: Debur, V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: General properties of accretion onto isolated stellar mass black holes in the Galaxy are discussed. An analysis of plasma internal energy growth during the infall is performed. Adiabatic heating of collisionless accretion flow due to magnetic adiabatic invariant conservation is 25% more efficient than in the standard non-magnetized gas case. It is shown that magnetic field line reconnections in discrete current sheets lead to significant nonthermal electron component formation, which leads to a formation of a hard (UV, X-ray, up to gamma), highly variable spectral component in addition to the standard synchrotron optical component first derived by Shvartsman generated by thermal electrons in the magnetic field of the accretion flow. Properties of accretion flow emission variability are discussed. Observation results of two single black hole candidates - gravitational lens MACHO-1999-BLG-22 and radio-loud x-ray source with featureless optical spectrum J1942+10 - in optical band with high temporal resolution are presented and interpreted in the framework of the proposed model.
description: 7 pages, 10 figures. To appear in the Proceedings of 36th COSPAR Scientific Assembly, held 16 - 23 July 2006, in Beijing, China
Effectiveness of Village-Based Organization (VBO) in improving the livelihood of the rural community in Bangladesh
Creators: name: Rahman, Mizanur
name: Maksuma Akter
Publisher: name: figshare
Year: 2021
Subjects: subject: 70101 Agricultural Land Management
subject: FOS: Other agricultural sciences
subject: 70199 Agriculture, Land and Farm Management not elsewhere classified
subject: 70302 Agronomy
subject: FOS: Agriculture, forestry and fisheries
subject: 70399 Crop and Pasture Production not elsewhere classified
subject: 70107 Farming Systems Research

description: The study's overreaching objective was to evaluate the pros and cons of the newly adopted Village-Based Organization that was funded by the United Nations' Food and Agriculture Organization (FAO). Empirical data was collected following personal interviews and focus group discussions. The study revealed that VBO contributed to diversifying enterprises by promoting high-value crops, small-scale livestock, and other value-added activities. The respondents expressed their complimentary views about their uplifted living standards. The women’s active participation and consequent empowerment increased by restoring their rights on resources and decision making. Farmers Field School motivated the community to introduce new technologies and practices for maintaining their livelihoods better. Despite some limitations, the VBO helped reduce local disputes and criminal activities like dowry, the high-interest rate of credit, child marriage, and drug abuse. The study advocates replicating this concept in the whole country as a part of the corona pandemic stimulus package. It can curb Monga (seasonal famine), tackle incremental anthropogenic-climatic stressors, reduces the consumption of natural resources, achieves Sustainable Development Goals, and finally, uphold the aspiration of a "whole society approach" and "no one is left behind." Policy interventions are warranted to rectify the identified challenges and integrate the basic principles of sustainability, termed a holistic approach. 
Quantum strategy in moving frames
Creators: name: Tan, Jian-Chuan
name: Wang, An Min
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We investigate quantum strategy in moving frames by considering Prisoner's Dilemma and propose four thresholds of $γ$ for two players to determine their \textit{Nash Equilibria}. Specially, an interesting phenomenon appears in relativistic situation that the quantum feature of the game would be enhanced and diminished for different players whose particle's initial spin direction are respectively parallel and antiparallel to his/her movement direction, that is, for the former the quantum feature of the game is enhanced while for the latter the quantum feature would be diminished. Thus a classical latter could still maintain his/her strictly dominant strategy (classical strategy) even if the game itself is highly entangled.
description: 11 pages, 10 figures
Asymptotics of randomly stopped sums in the presence of heavy tails
Creators: name: Denisov, Denis
name: Foss, Sergey
name: Korshunov, Dmitry
Publisher: name: arXiv
Year: 2008
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60E05, 60F10, 60G70

description: We study conditions under which $P(S_τ>x)\sim P(M_τ>x)\sim EτP(ξ_1>x)$ as $x\to\infty$, where $S_τ$ is a sum $ξ_1+...+ξ_τ$ of random size $τ$ and $M_τ$ is a maximum of partial sums $M_τ=\max_{n\leτ}S_n$. Here $ξ_n$, $n=1$, 2, ..., are independent identically distributed random variables whose common distribution is assumed to be subexponential. We consider mostly the case where $τ$ is independent of the summands; also, in a particular situation, we deal with a stopping time. Also we consider the case where $Eξ>0$ and where the tail of $τ$ is comparable with or heavier than that of $ξ$, and obtain the asymptotics $P(S_τ>x) \sim EτP(ξ_1>x)+P(τ>x/Eξ)$ as $x\to\infty$. This case is of a primary interest in the branching processes. In addition, we obtain new uniform (in all $x$ and $n$) upper bounds for the ratio $P(S_n>x)/P(ξ_1>x)$ which substantially improve Kesten's bound in the subclass ${\mathcal S}^*$ of subexponential distributions.
description: 22 pages
Monopoles in the presence of the Chern-Simons term via the Julia-Toulouse approach
Creators: name: Grigorio, L. S.
name: Guimaraes, M. S.
name: Wotzasek, C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study $QED_3$ with magnetic-like defects using the Julia-Toulouse condensation mechanism (JTM). By a careful treatment of the symmetries we suggest a geometrical interpretation for distinct debatable issues in the MCS-monopole system: (i) the induction of the non-conserved electric current together with the Chern-Simons term (CS), (ii) the deconfinement transition and, (iii) the computation of the fermionic determinant in the presence of Dirac string singularities. The JTM leads to proper interpretation of the non-conserved current as originating from Dirac brane symmetry breaking. The mechanism behind this symmetry breaking is clarified. The physical origin of the deconfinement transition becomes evident in the low energy effective theory induced by the JTM. The proper procedure to compute the fermionic determinant in the presence of Dirac branes will be presented. A byproduct of this approach is the possible appearance of statistical transmutation and the clarification for the different quantization rules for the topological mass.
description: 6 pages, 2 figures, minor changes, references added, accepted for publication in Physics Letters B
Single nitrogen vacancy centers in chemical vapor deposited diamond nanocrystals
Creators: name: Rabeau, J. R.
name: Stacey, A.
name: Rabeau, A.
name: Jelezko, F.
name: Mirza, I.
name: Wrachtrup, J.
name: Prawer, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Nanodiamond crystals containing single color centers have been grown by chemical vapor deposition (CVD). The fluorescence from individual crystallites was directly correlated with crystallite size using a combined atomic force and scanning confocal fluorescence microscope. Under the conditions employed, the optimal size for single optically active nitrogen-vacancy (NV) center incorporation was measured to be 60 to 70 nm. The findings highlight a strong dependence of NV incorporation on crystal size, particularly with crystals less than 50 nm in size.
description: 16 pages, 4 figures, In Print Nano Letters (2007)
An Unparticle Example in 2D
Creators: name: Georgi, Howard
name: Kats, Yevgeny
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss what can be learned about unparticle physics by studying simple quantum field theories in one space and one time dimension. We argue that the exactly soluble 2D theory of a massless fermion coupled to a massive vector boson, the Sommerfield model, is an interesting analog of a Banks-Zaks model, approaching a free theory at high energies and a scale invariant theory with nontrivial anomalous dimensions at low energies. We construct a toy standard model coupling to the fermions in the Sommerfield model and study how the transition from unparticle behavior at low energies to free particle behavior at high energies manifests itself in interactions with the toy standard model particles.
description: 8 pages, 2 figures
Chandra Observation of the Cluster Environment of a WAT Radio Source in Abell 1446
Creators: name: Douglass, E. M.
name: Blanton, Elizabeth L.
name: Clarke, T. E.
name: Sarazin, Craig L.
name: Wise, Michael
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Wide-angle tail (WAT) radio sources are often found in the centers of galaxy clusters where intracluster medium (ICM) ram pressure may bend the lobes into their characteristic C-shape. We examine the low redshift (z=0.1035) cluster Abell 1446, host to the WAT radio source 1159+583. The cluster exhibits possible evidence for a small-scale cluster-subcluster merger as a cause of the WAT radio source morphology. This evidence includes the presence of temperature and pressure substructure along the line that bisects the WAT as well as a possible wake of stripped interstellar material or a disrupted cool core to the southeast of the host galaxy. A filament to the north may represent cool, infalling gas that's contributing to the WAT bending while spectroscopically determined redshifts of member galaxies may indicate some component of a merger occurring along the line-of-sight. The WAT model of high flow velocity and low lobe density is examined as another scenario for the bending of 1159+583. It has been argued that such a model would allow the ram pressure due to the galaxy's slow motion through the ICM to shape the WAT source. A temperature profile shows that the cluster is isothermal (kT= 4.0 keV) in a series of annuli reaching a radius of 400 kpc. There is no evidence of an ongoing cooling flow. Temperature, abundance, pressure, density, and mass profiles, as well as two-dimensional maps of temperature and pressure are presented.
description: 40 AASTeX pages including 15 postscript figures; accepted for publication in ApJ
Material-Point Simulation to Cavity Collapse Under Shock
Creators: name: Xu, Aiguo
name: Pan, X. F.
name: Zhang, Guangcai
name: Zhu, Jianshi
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The collapse of cavities under shock is a key problem in various fields ranging from erosion of material, ignition of explosive, to sonoluminescence, etc. We study such processes using the material-point-method developed recently in the field of solid physics. The main points of the research include the relations between symmetry of collapsing and the strength of shock, other coexisting interfaces, as well as hydrodynamic and thermal-dynamic behaviors ignored by the pure fluid models. In the case with strong shock, we study the procedure of jet creation in the cavity; in the case with weak shock, we found that the cavity can not be collapsed completely by the shock and the cavity may collapse in a nearly isotropic way. The history of collapsing significantly influences the distribution of "hot spots" in the shocked material. The change in symmetry of collapsing is investigated. Since we use the Mie-Gr% üneisen equation of state and the effects of strain rate are not taken into account, the behavior is the same if one magnifies the spatial and temporal scales in the same way.
description: Figs.1,2,3,5,6,7 in JPG format, Accepted for publication in Journal of Physics: Condensed Matter
Aspects of musical language in György Ligeti’s Ten pieces for wind quintet (1968)
Creators: name: Morrison, Charles Douglas
Publisher: name: University of British Columbia
Year: 2010

description: Gyorgy Ligeti's Ten Pieces for Wind Quintet (1968) is a work representative of his style in the middle sixties; it illustrates many compositional procedures in a medium considerably more "compact" than that of many of his other works. Moreover, refinements of techniques from earlier pieces are apparent throughout the quintet. The first chapter traces the development of Ligeti's compositional style from his early period in Hungary to his more mature period, the style of which began to evolve in 1956 with his move to Vienna. Major works are cited, excerpts given, and stylistic features defined and substantiated, often by Ligeti's own characterizations of his changing musical language. Chapter II isolates certain musical parameters—form, texture, rhythm, and pitch—and discusses them independently of each other, defining details of their structures and illustrating them in excerpts from pieces 2 to 9 of the quintet. Concerning aspects of form, subgroupings of pieces within the quintet as a whole are suggested, while delineating factors within individual pieces are discussed in the light of the parameters effecting such segmentation. The section dealing with texture identifies two prevalent arrangements in the work, i.e., "ensemble" and "soloistic," and outlines general and specific textural aspects of each type (e.g., modes of instrument interaction). Rhythmic principles are discussed next, and the roles of meter and other rhythmic groupings are defined and illustrated. And finally, the section on pitch organization treats linear and harmonic details separately. Regarding the former, various means of linear connection and pitch-class unfolding are exposed, while in the latter, harmonic structures are classified and related according to a derived system of consonance-dissonance factors. Chapter II, through the examination procedures outlined above, provides a basic understanding of techniques and devices in preparation for the detailed analyses which follow in Chapters III and IV. Chapters III and IV deal exclusively and extensively with the first and last pieces respectively. Again, musical parameters are studied individually, and many concepts introduced in Chapter II are further discussed. These and other concepts (the latter being introduced with specific reference to the first and/or last pieces) are also approached on a larger scale, providing a comprehensive view of the pieces' overall musical structures. Instances of interaction between parameters are referred to in this regard. In addition, these two detailed analyses include aspects of connection between the first and third pieces of the quintet, and between the ninth and tenth. In Chapter V, conclusions are given which pertain to the quintet as representative of Ligeti's music of this period, as evidenced in findings resulting from the analysis.
Recommending Datasets for Scientific Problem Descriptions
Creators: name: Färber, M.
name: Leisinger, A.-K.
Publisher: name: Association for Computing Machinery (ACM)
Year: 2021

description: The steadily rising number of datasets is making it increasingly difficult for researchers and practitioners to be aware of all datasets, particularly of the most relevant datasets for a given research problem. To this end, dataset search engines have been proposed. However, they are based on user's keywords and, thus, have difficulty determining precisely fitting datasets for complex research problems. In this paper, we propose a system that recommends suitable datasets based on a given research problem description. The recommendation task is designed as a domain-specific text classification task. As shown in a comprehensive offline evaluation using various state-of-the-art models, as well as 88,000 paper abstracts and 265,000 citation contexts as research problem descriptions, we obtain an F1-score of 0.75. In an additional user study, we show that users in real-world settings are 88% satisfied in all test cases. We therefore see promising future directions for dataset recommendation.
Crossing the Phantom Divide Line in a DGP-Inspired $F(R,ϕ)$-Gravity
Creators: name: Nozari, Kourosh
name: Pourghasemi, Mahin
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study possible crossing of the phantom divide line in a DGP-inspired $F(R,ϕ)$ braneworld scenario where scalar field and curvature quintessence are treated in a unified framework. With some specific form of $F(R,ϕ)$ and by adopting a suitable ansatz, we show that there are appropriate regions of the parameters space which account for late-time acceleration and admit crossing of the phantom divide line.
description: 23 Pages, 10 figs, Submitted to JCAP