cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Stationary and Axisymmetric Solutions of Higher-Dimensional General Relativity
Creators: name: Harmark, Troels
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We study stationary and axisymmetric solutions of General Relativity, i.e. pure gravity, in four or higher dimensions. D-dimensional stationary and axisymmetric solutions are defined as having D-2 commuting Killing vector fields. We derive a canonical form of the metric for such solutions that effectively reduces the Einstein equations to a differential equation on an axisymmetric D-2 by D-2 matrix field living in three-dimensional flat space (apart from a subclass of solutions that instead reduce to a set of equations on a D-2 by D-2 matrix field living in two-dimensional flat space). This generalizes the Papapetrou form of the metric for stationary and axisymmetric solutions in four dimensions, and furthermore generalizes the work on Weyl solutions in four and higher dimensions. We analyze then the sources for the solutions, which are in the form of thin rods along a line in the three-dimensional flat space that the matrix field can be seen to live in. As examples of stationary and axisymmetric solutions, we study the five-dimensional rotating black hole and the rotating black ring, write the metrics in the canonical form and analyze the structure of the rods for each solution.
description: 43 pages, v2: typos fixed, refs added
Diversification and Its Impact on Smallholders: Evidence from a Study on Vegetable Production
Creators: name: Joshi, P.K.
name: Joshi, Laxmi
name: Birthal, Pratap Singh
name: Joshi, P.K.
name: Joshi, Laxmi
name: Birthal, Pratap Singh
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: There is an emerging concern about the viability of small farm agriculture, particularly in the context of on-going process of globalization. It is contended that viability of small farms can be improved through diversification of agriculture into higher-value crops like fruits and vegetables. This paper has assessed the impact of diversification of agriculture towards vegetables on farm income and employment using household level information from the Indian state of Uttar Pradesh. The results clearly reveal that vegetable production is more profitable and labour-intensive, therefore it fits well in the small farm production systems. The smallholders are relatively more efficient in production and own more family labour in contrast to large farmers. Vegetable production is the emerging sector in agricultural diversification that would augment income of smallholders and generate employment opportunities in rural areas. Women are also benefited as the vegetable production engages relatively higher women labour in various operations. However, prevailing constraints do not allow smallholders to fully expropriate the emerging opportunities in vegetable production. Major constraints in vegetable production are lack of assured markets and a well-developed seed sector. Since vegetables are perishable in nature, lack of efficient marketing system and appropriate infrastructure results in huge post-harvest losses. Further, non-availability of improved and good quality seeds reduces the profitability and increases production risk. Other important factors that restrict expansion of area under vegetables are higher price and yield risks as compared to cereals and low marketable surplus that increases transaction costs. The vegetable prices are highly volatile, which severely affect the profitability in the event of marginal increase in their supply. Low volume of marketable surplus also adversely affects the bargaining power of smallholders and thus results in realizing lower prices. The possible solution for overcoming this is through developing institutional arrangements that strengthen farm-firm linkages. Contract farming is one such arrangement that helps smallholders to overcome the constraints in vegetable production.
Structure-based functional studies of the rhodobacter sphaeroides reaction centre H protein
Creators: name: Tehrani, Ali
Publisher: name: University of British Columbia
Year: 2009

description: The purple bacterial photosynthetic reaction centre (RC) contains three proteins called RC H, RC M and RC L. The RC H protein comprises three cellular domains: an 11 amino acid N-terminal sequence on the periplasmic side of the inner membrane; a single transmembrane ot-helix; a large C-terminal, globular cytoplasmic domain. The roles of these domains in Rhodobacter sphaeroides RC function and assembly was investigated, using a mutagenesis approach that included domain swapping with Blastochloris viridis RC H segments, periplasmic domain deletion and site-directed amino acid changes. Additionally, possible interactions between photosynthetic RC proteins that are thought to protect these membrane proteins from proteolytic digestion in RC complex assembly were evaluated by use of translationally in-frame (non-polar) RC gene-specific deletions. The RC H, RC M and RC L proteins were expressed from plasmids, either alone or in concert with one or both of the others, in a strain of R. sphaeroides that contained chromosomal deletions of all three RC genes. The RC H periplasmic domain was shown to be involved in the accumulation of the RC H protein in the cell membrane, while the transmembrane domain has an additional role in RC complex assembly, perhaps through interactions with RC M. The cytoplasmic domain functions in RC catalytic activity and complex assembly. The RC H cytoplasmic domain surface residues His-126 and His-128 jointly mediate proton transfer into the RC by acting as proton donors at the entrance of the proton transfer pathway. There is a correlation between the amounts of membrane-associated RC H and RC L, whereas RC M is found in the cell membrane independently of RC H and RC L. Furthermore, substantial amounts of RC M and RC L are found in the soluble fraction of cells only when RC H is present in the membrane. These data were used to propose models of RC catalytic mechanisms, and RC assembly in which the RC M protein accumulates in the cell membrane regardless of the presence of the RC H and RC L proteins, and the RC M protein is a nucleus for addition of RC L followed by RC H in assembly of the RC holocomplex.
Economics of Production of Green Peas (Pisum sativum L.) in Punjab
Creators: name: Singla, Rohit
name: Chahal, S.S.
name: Kataria, P.
name: Singla, Rohit
name: Chahal, S.S.
name: Kataria, P.
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: The economics of production and factors influencing the productivity of green peas in Punjab have been studied using the primary data from pea growers. The data have been analysed using simple tabular and functional analyses. The results have revealed that the green peas and wheat are the main crops in rabi season. It has been noticed that 75.85 per cent of the farmers purchase pea seeds from dealers. The yield of green peas has been found the highest on small farms among all the farm-size categories. The total cost incurred has been higher in large than small and medium farmers due to more use of inputs by the former. The gross and net returns have been found higher in large than small and medium farmers due to realization of higher prices by them and exploring of other markets due to their higher marketable surpluses. The functional analysis has revealed that the fertilizers, irrigation and machinery are the impact variables, influencing the productivity of green peas positively. The returns over variable costs in the case of peas have been higher by 129 per cent than those in wheat (main competing crop). It has been argued that the farmers be advised by the agricultural extension experts to adopt green pea cultivation for improving the efficiency of the farms through increased income per unit of land. Moreover, it will provide impetus to the diversification program of the state government and improve the soil health.
Spectra of High-Redshift Type Ia Supernovae and a Comparison with their Low-Redshift Counterparts
Creators: name: Hook, I. M.
name: Howell, D. A.
name: Aldering, G.
name: Amanullah, R.
name: Burns, M. S.
name: Conley, A.
name: Deustua, S. E.
name: Ellis, R.
name: Fabbro, S.
name: Fadeyev, V.
name: Folatelli, G.
name: Garavini, G.
name: Gibbons, R.
name: Goldhaber, G.
name: Goobar, A.
name: Groom, D. E.
name: Kim, A. G.
name: Knop, R. A.
name: Kowalski, M.
name: Lidman, C.
name: Nobili, S.
name: Nugent, P. E.
name: Pain, R.
name: Pennypacker, C. R.
name: Perlmutter, S.
name: Ruiz-Lapuente, P.
name: Sainton, G.
name: Schaefer, B. E.
name: Smith, E.
name: Spadafora, A. L.
name: Stanishev, V.
name: Thomas, R. C.
name: Walton, N. A.
name: Wang, L.
name: Wood-Vasey, W. M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present spectra for 14 high-redshift (0.17 < z < 0.83) supernovae, which were discovered by the Supernova Cosmology Project as part of a campaign to measure cosmological parameters. The spectra are used to determine the redshift and classify the supernova type, essential information if the supernovae are to be used for cosmological studies. Redshifts were derived either from the spectrum of the host galaxy or from the spectrum of the supernova itself. We present evidence that these supernovae are of Type Ia by matching to spectra of nearby supernovae. We find that the dates of the spectra relative to maximum light determined from this fitting process are consistent with the dates determined from the photometric light curves, and moreover the spectral time-sequence for SNe Type Ia at low and high redshift is indistinguishable. We also show that the expansion velocities measured from blueshifted CaHK are consistent with those measured for low-redshift Type Ia supernovae. From these first-level quantitative comparisons we find no evidence for evolution in SNIa properties between these low- and high-redshift samples. Thus even though our samples may not be complete, we conclude that there is a population of SNe Ia at high redshift whose spectral properties match those at low redshift.
description: Accepted for publication in AJ. Also available at http://supernova.lbl.gov/
Economic Impact of Commercial Hybrid Seed Production in Vegetables on Farm Income, Employment and Farm Welfare – A Case of Tomato and Okra in Karnataka
Creators: name: Sudha, M.
name: Gajanana, T.M.
name: Murthy, D. Sreenivasa
name: Sudha, M.
name: Gajanana, T.M.
name: Murthy, D. Sreenivasa
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: Commercial Seed Production (CSP) in vegetables like tomato and okra is an important economic activity for farmers in the dry regions like Haveri and Gadag in Karnataka providing assured returns and additional employment. Its economic impact assessed at individual and aggregate levels based on a sample of 70 cultivators has indicated that the activity provides stability, equity in income distribution across the group and helps enhance family welfare. Undertaken mainly during the khraif season on a plot of around 0.43 ha, the farmers incur an expenditure of around Rs 49,780 / ha for tomato and Rs 38,555/ha for okra. With a seed yield of 0.493 and 5.66 quintals of tomato and okra, respectively, the farmers could realize a net return of Rs 88,338/ha from tomato and Rs 39,440/ha from okra. Being highly labour-intensive involving special operations such as emasculation and hybridization, the commercial seed production generates employment opportunities of around 415 women-days in both tomato and okra CSP. With low coefficient of variation in the range of 8 per cent price in okra to around 28 per cent for yield in tomato, the CSP could provide income stability for the dryland farmers. Measured in terms of Gini’s coefficient of income equality, the CSP of tomato and okra with a value of 0.22 and 0.24 has proved to improve income distribution across the group. By adopting a combination of two plots of tomato, one during kharif and one during rabi, with one plot of okra in kharif, CSP could fetch the highest net return of Rs 33,859/ha. The presence of surrogate water market and dwindling groundwater in the region highlight the urgent need for a policy and action points for safeguarding the social and environment issues in the highly beneficial CSP of tomato and okra.
title: Design of “hot-spots” for beneficial insects in urban context
Creators: name: Bazzocchi, Giovanni Giorgio
name: D'Aprile, Andrea
name: Orsini, Francesco
Publisher: name: University of Bologna
Year: 2022

description: This study has the aim of identifying the wild plant species located in the case study area, an urban agro-ecological farm, that could be used to build functional biodiversity "hot-spots", in order to attract and create suitable habitats for predators, parasitoids and pollinators insects in view of conservative biological control and pollination service.
Design of the specific "hot spots" is based on the consideration that some plants have a fundamental role in entomophagous and pollinator insects life as source of protein through their pollen, energy from their nectar, alternative preys and winter shelter. These roles are synthetized within the sigla SNAP (shelter, nectar, alternative preys), the base of conservative
biological control.
Location of the solar dynamo and near-surface shear
Creators: name: Brandenburg, Axel
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The location of the solar dynamo is discussed in the context of new insights into the theory of nonlinear turbulent dynamos. It is argued that, from a dynamo-theoretic point of view, the bottom of the convection zone is not a likely location and that the solar dynamo may be distributed over the convection zone. The near surface shear layer produces not only east-west field alignment, but it also helps the dynamo disposing of its excess small scale magnetic helicity.
description: 6 pages, 3 figures, in Solar MHD: Theory and Observations, eds: J. W. Leibacher, H. Uitenbroek, & R. F. Stein, Astron. Soc. Pac. Conf. Ser
Research E-learning For Children in Grades 1 to 2 Elementary School
Creators: name: Phangiano, Ricky
Publisher: name: figshare
Year: 2020
Subjects: subject: 100503 Computer Communications Networks
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Research E-learning For Children in Grades 1 to 2 Elementary School
AC loss in the REBCO stator of a 1 MW motor for aviation
Creators: name: Pardo, Enric
name: Kovac, Jan
name: Kopera, Lubomir
name: Reis, Radislav
name: Grilli, Francesco
name: Berberich, Eva
name: Reis, Thomas
Publisher: name: Zenodo
Year: 2020

description: Invited talk at the International Symposium of Superconductivity 2020, Tsukuba, Japan
On matter-free Higher Spin Gravities in 3d: (partially)-massless fields and general structure
Creators: name: Grigoriev, Maxim
name: Mkrtchyan, Karapet
name: Skvortsov, Evgeny
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the problem of interacting theories with (partially)-massless and conformal higher spin fields without matter in three dimensions. A new class of theories that have partially-massless fields is found, which significantly extends the well-known class of purely massless theories. More generally, it is proved that the complete theory has to have a form of the flatness condition for a connection of a Lie algebra, which, provided there is a non-degenerate invariant bilinear form, can be derived from the Chern-Simons action. We also point out the existence of higher spin theories without the dynamical graviton in the spectrum. As an application of a more general statement that the frame-like formulation can be systematically constructed starting from the metric one by employing a combination of the local BRST cohomology technique and the parent formulation approach, we also obtain an explicit uplift of any given metric-like vertex to its frame-like counterpart. This procedure is valid for general gauge theories while in the case of higher spin fields in d-dimensional Minkowski space one can even use as a starting point metric-like vertices in the transverse-traceless gauge. In particular, this gives the fully off-shell lift for transverse-traceless vertices.
description: 35 pages+Appendices
Direct Feedback Alignment Scales to Modern Deep Learning Tasks and Architectures
Creators: name: Launay, Julien
name: Poli, Iacopo
name: Boniface, François
name: Krzakala, Florent
Publisher: name: arXiv
Year: 2020
Subjects: subject: Machine Learning (stat.ML)
subject: Machine Learning (cs.LG)
subject: Neural and Evolutionary Computing (cs.NE)
subject: FOS: Computer and information sciences

description: Despite being the workhorse of deep learning, the backpropagation algorithm is no panacea. It enforces sequential layer updates, thus preventing efficient parallelization of the training process. Furthermore, its biological plausibility is being challenged. Alternative schemes have been devised; yet, under the constraint of synaptic asymmetry, none have scaled to modern deep learning tasks and architectures. Here, we challenge this perspective, and study the applicability of Direct Feedback Alignment to neural view synthesis, recommender systems, geometric learning, and natural language processing. In contrast with previous studies limited to computer vision tasks, our findings show that it successfully trains a large range of state-of-the-art deep learning architectures, with performance close to fine-tuned backpropagation. At variance with common beliefs, our work supports that challenging tasks can be tackled in the absence of weight transport.
description: 23 pages, 6 figures, 10 tables. For associated code, see https://github.com/lightonai/dfa-scales-to-modern-deep-learning. Poster at NeurIPS 2020
Isotropy of the early universe from CMB anisotropies
Creators: name: Donoghue, Evan P.
name: Donoghue, John F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The acoustic peak in the CMB power spectrum is sensitive to causal processes and cosmological parameters in the early universe up to the time of last scattering. We provide limits on correlated spatial variations of the peak height and peak position and interpret these as constraints on the spatial variation of the cosmological parameters (baryon density, cold dark matter density and cosmological constant as well as the amplitude and tilt of the original fluctuations). We utilize recent work of Hansen, Banday and Gorski (HBG) who have studied the spatial isotropy of the power spectrum as measured by WMAP by performing the power spectrum analysis on smaller patches of the sky. We find that there is no statistically significant correlated asymmetry of the peak. HBG have also provided preliminary indications of a preferred direction in the lower angular momentum range(~ 2-40) and we show how possible explanations of this asymmetry are severely constrained by the data on the acoustic peak. Finally we show a possible non-gaussian feature in the data, associated with a difference in the northern and southern galactic hemispheres.
description: 14 pages, 3 figures, v.2 adds an extra relevant reference and comment
Bending instabilities at the origin of persistent warps
Creators: name: Revaz, Y.
name: Pfenniger, D.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Based on N-body simulations, we show that realistic galactic disks are subject to bending instabilities of fire-hose type when the disks are substantially self-gravitating, that is, if they contain dark matter distributed in the disk. Depending on the degree of instability, S and U-shaped, as well as asymmetric warps are generated. In some cases, the warp may last several galactic rotations, particularly when the instability is marginal. Since the bending instability is very sensitive to the disk flattening, the fractions of dark matter distributed in the disk and in the dark halo are constrained. For a Milky Way like galaxy the extended dark halo can not exceed 30-40% of the total mass within 35 kpc if the Milky Way warp results from a bending instability. This mode of warping provides a unified picture of spiral galaxies, where bars, spiral arms and warps result all from disk gravitational instabilities, radial or transverse, which are constantly regenerated by the dissipative gas component.
description: 4 pages, to appear in the Proceedings of Science (published by SISSA),Conference "Baryons in Dark Matter Haloes", Novigrad, Croatia, 5-9 October 2004
Mechanism and Countermeasures for Action of Scientific and Technological Innovation on Integration of Industrialization and Urbanization
Creators: name:  WU Xiaolu
name:  WU Xiaolu
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Technological innovation, Integration of industrialization and urbanization, Coupling coordination degree, New urbanization

description: In the current process of deepening reform in China, industrial structure upgrading, economic structural transformation and new urbanization are important tasks to promote social and economic development, and technological innovation has gradually become the primary driving force for industrial upgrading, economic transformation and the realization of new urbanization. The article analyzed the action mechanism of scientific and technological innovation on the integration of industrialization and urbanization through qualitative and quantitative methods, found out the prominent problems faced by Henan through the empirical analysis of relevant data of Henan Province, and then proposed the integrated development path driven by scientific and technological innovation.
Integrated Pest and Disease Management in Tomato: An Economic Analysis
Creators: name: Gajanana, T.M.
name: Krishna Moorthy, P.N.
name: Anupama, H.L.
name: Raghunatha, R.
name: Kumar, G.T. Prasanna
name: Gajanana, T.M.
name: Krishna Moorthy, P.N.
name: Anupama, H.L.
name: Raghunatha, R.
name: Kumar, G.T. Prasanna
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: The adoption of IPM technology in tomato using African marigold as a trap crop, root dipping of seedlings in Imidacloprid, soil application of neem/pongamia cake, spraying of botanicals like pongamia soap and biopesticide like Ha NPV has been found effective in both insect as well as disease management. The IPM technology has been found economically viable as the yield on IPM farms has been found higher by about 46 per cent, cost of cultivation has been less by about 21 per cent and the net returns have been higher by 119 per cent. The technology can be considered environment-friendly as it uses more of eco-friendly inputs and less of chemicals. The constraints like non-availability of botanicals and bio-pesticides should be addressed on priority basis to make the technology sustainable and more popular.
Multiscaling and non-universality in fluctuations of driven complex systems
Creators: name: Eisler, Zoltan
name: Kertesz, Janos
name: Yook, Soon-Hyung
name: Barabasi, Albert-Laszlo
Publisher: name: arXiv
Year: 2004
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Finance (q-fin.ST)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: For many externally driven complex systems neither the noisy driving force, nor the internal dynamics are a priori known. Here we focus on systems for which the time dependent activity of a large number of components can be monitored, allowing us to separate each signal into a component attributed to the external driving force and one to the internal dynamics. We propose a formalism to capture the potential multiscaling in the fluctuations and apply it to the high frequency trading records of the New York Stock Exchange. We find that on the time scale of minutes the dynamics is governed by internal processes, while on a daily or longer scale the external factors dominate. This transition from internal to external dynamics induces systematic changes in the scaling exponents, offering direct evidence of non-universality in the system.
description: 7 pages, 5 figures, submitted to Europhyisics Letters (extended text)
Resistivity saturation in Kondo insulators
Creators: name: Pickem, Matthias
name: Maggio, Emanuele
name: Tomczak, Jan M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Resistivities of heavy-fermion insulators typically saturate below a characteristic temperature $T^*$. For some, metallic surface states, potentially from a non-trivial bulk topology, are a likely source of residual conduction. Here, we establish an alternative mechanism: At low temperature, in addition to the charge gap, the scattering rate turns into a relevant energy scale, invalidating the semiclassical Boltzmann picture. Finite lifetimes of intrinsic carriers limit conduction, impose the existence of a crossover $T^*$, and control - now on par with the gap - the quantum regime emerging below it. We showcase the mechanism with realistic many-body simulations and elucidate how the saturation regime of the Kondo insulator Ce$_3$Bi$_4$Pt$_3$, for which residual conduction is a bulk property, evolves under external pressure and varying disorder. Using a phenomenological formula we derived for the quantum regime, we also unriddle the ill-understood bulk conductivity of SmB$_6$ - demonstrating that our mechanism is widely applicable to correlated narrow-gap semiconductors.
description: 8 pages, 6 figures
MUDOFA TIZIMIDA RAQAMLASHTIRISH VA SU'NIY INTELEKTNI O'RNI
Creators: name: Yuldashov Azamat Begmuratovich Mudofaa vazirligi Axborotlashtirish bosh markazi boshlig'i podpolkovnik
Publisher: name: Zenodo
Year: 2024

description: Bugungi kunda raqamlashtirish jarayoni barcha sohalarda katta ahamiyat kasb etmoqda, shu jumladan, mudofaa tizimida ham. Jahon miqyosida xavfsizlikka tahdidlar ortib borayotgan sharoitda, davlatlarning mudofaa tizimini zamonaviy texnologiyalar bilan boyitish va raqamli boshqaruv tizimlarini joriy etish eng dolzarb vazifalardan biri bo‘lib qolmoqda. Raqamlashtirish nafaqat harbiy texnikalar va resurslarni samarali boshqarishga imkon beradi, balki ma’lumotlarni xavfsiz saqlash, tezkor qarorlar qabul qilish va harbiy strategiyalarni muvaffaqiyatli amalga oshirishda ham muhim rol o‘ynaydi.
Holographic Line Defects in $D=4$, $N=2$ Gauged Supergravity
Creators: name: Chen, Kevin
name: Gutperle, Michael
name: Vicino, Matteo
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We construct solutions of four-dimensional $N=2$ gauged supergravity coupled to vector multiplets which are holographically dual to superconformal line defects. For the gauged STU and the $SU(1,n)/U(1)\times SU(n)$ coset models, we use the solutions to calculate holographic observables such as the expectation value of the defect and one-point functions in the presence of the defect.
description: 25 pages, pdfLaTeX, 2 figures, v2: references and minor clarification added
Physical pendulum model: Fractional differential equation and memory effects
Creators: name: Gonçalves, L. N.
name: Fernandes, J. C.
name: Ferraz, A.
name: Silva, A. G.
name: Sebastião, P. J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Classical Physics (physics.class-ph)
subject: FOS: Physical sciences

description: A detailed analysis of three pendular motion models is presented. Inertial effects, self-oscillation, and memory, together with non-constant moment of inertia, hysteresis and negative damping are shown to be required for the comprehensive description of the free pendulum oscillatory regime. The effects of very high initial amplitudes, friction in the roller bearing axle, drag, and pendulum geometry are also analysed and discussed. The model that consists of a fractional differential equation provides both the best explanation of, and the best fits to, experimental high resolution and long-time data gathered from standard action-camera videos.
description: The paper has been published. A link to the publisher site was inserted in the text
Regulation of the transcription factor STE12 by the RNA polymerase II associated CDK SRB10
Creators: name: Nelson, Christopher James
Publisher: name: University of British Columbia
Year: 2009

description: The transcription factor Ste12 is a heavily phosphorylated protein that activates genes required for mating, as well as filamentous growth of the yeast Saccharomyces cerevisiae. Both processes require activation by an upstream MAPK cascade, and this model system is representative of signal responsive transcription in higher organisms. I have identified a signaling pathway that utilizes the RNA polymerase holoenzyme machinery as a means to simultaneously transmit information to potentially all gene specific transcription factors. In my thesis research I have demonstrated that Srb10, a CDK in the mediator subcomplex of the RNA Pol II holoenzyme, directly phosphorylates Ste12, and targets the protein for ubiquitin dependent proteolysis. Using tryptic phosphopeptide mapping I identified two serine residues on Ste12 that are phosphorylated by Srb10 in vitro and required for phosphorylation by Srb10 in vivo. These phosphorylations, at S261 and S451, have a negative effect on Ste12 activity, and filamentous growth as mutation of these sites to alanine results in elevated Ste12 dependent transcription, and hyperfilamentous growth. The ability of Srb10 to phosphorylate Ste12 is dependent on fermentable carbon, an observation that is consistent with the model that Srb10 activity is sensitive to environmental and nutritional stress. Together these observations support a model whereby Srb10 limits Ste12 activity and filamentous response in rich media. Starvation antagonizes Srb10, causing stabilization of Ste12, facilitating induction of filamentous response genes. Because other transcription factors are also regulated by Srb10 phosphorylation, this pathway appears to coordinate expression of diverse gene sets with the growth potential of the cell.
An Analysis of Rural Livelihood Systems in Rainfed Rice-based Farming Systems of Coastal Orissa
Creators: name: Samal, Parshuram
name: Barah, B.C.
name: Pandey, Sushil
name: Samal, Parshuram
name: Barah, B.C.
name: Pandey, Sushil
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: The livelihood systems of farm households in coastal Orissa have been analysed based on a sample of 193 farmers. It is found that the incomes of these households were quite diversified. As against the general impression that crop income dominates household income, it is observed that the non-farm income has emerged important in the coastal Orissa. Rice, which has been traditionally the main source of income in this area, has slipped to the third position, next to remittances and income from non-farm activities. The income from non-farm works and rice has accounted for 71 per cent and 20 per cent of the total income, respectively. The non-farm sources have contributed more than 90 per cent towards income inequality. The source-wise income share has also shown a similar trend at the disaggregated level of farm-size categories. The income share for livestock has been comparatively high for large farmers. In general, the non-farm income was 3-times higher than that of the on-farm income for the small farmers and two-times in case of the larger category. The analysis of employment pattern shows that the male workers have dominated the labour market participation. A sizeable proportion of it has been in the non-farm sector. Creation of more non-farm employment opportunities, increase in investment on human resource development, more of R&D on development of rice varieties and tubewell irrigation will be needed to increase and stabilize household income in the coastal Orissa.
Research on Perfecting Innovation Policy and Solving the Dilemma of Private Innovation in the Context of "Mass Entrepreneurship and Innovation"
Creators: name: WANG Hui
name: CHEN Chunxiao
name: WANG Hui
name: CHEN Chunxiao
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Private innovation policy, Solutions, "Chinese-style poverty curse" trap

description: xperience of Japan, France, the United States and other developed countries. Furthermore, there is a need to try to improve non-governmental innovation policies and solve the problem of private innovation funds from giving national treatment to non-governmental researchers and non-governmental scientific and technological innovation activities, giving priority to evaluation conditions and equal protection of folk scientific and technological research achievements, promoting the marketization of non-governmental innovative scientific and technological achievements, and attaching importance to the cultivation of innovative talents, forming independent innovation and entrepreneurial talent resources, and establishing non-governmental innovation funds and other aspects.
Stabilizing the Discrete Vortex of Topological Charge S=2
Creators: name: Kevrekidis, P. G.
name: Frantzeskakis, D. J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We study the instability of the discrete vortex with topological charge S=2 in a prototypical lattice model and observe its mediation through the central lattice site. Motivated by this finding, we analyze the model with the central site being inert. We identify analytically and observe numerically the existence of a range of linearly stable discrete vortices with S=2 in the latter model. The range of stability is comparable to that of the recently observed experimentally S=1 discrete vortex, suggesting the potential for observation of such higher charge discrete vortices.
description: 4 pages, 4 figures
A Comparative Analysis of Production and Marketing of Bt Cotton and Hybrid Cotton in Saurashtra Region of Gujarat State
Creators: name: Visawadia, H.R.
name: Fadadu, A.M.
name: Tarpara, V.D.
name: Visawadia, H.R.
name: Fadadu, A.M.
name: Tarpara, V.D.
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: The study has revealed that the total cost per hectare is higher in Bt cotton than hybrid cotton. The cost of seeds has been found higher in Bt cotton, whereas hybrid cotton growers incur more cost on insecticides/ pesticides. This shows the effectiveness of the new technology (Bt cotton) for insect resistance. The average total cost of production as well as the bulk line cost have been found lower in Bt cotton. This depicts a reduction in the unit cost of Bt cotton, which is the distinct advantage of the new technology. A higher yield of 29 per cent has been obtained by the Bt cotton farmers over the hybrid cotton growers. The study has identified the constraints in production, and marketing of Bt cotton in the area. Bt cotton has been found a superior technology to hybrid cotton, as it gives higher yield and has low cost of production.
Probing the radion-Higgs mixing at photon colliders
Creators: name: Cheung, Kingman
name: Kim, C. S.
name: Song, Jeonghyeon
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the Randall-Sundrum model, the radion-Higgs mixing is weakly suppressed by the effective electroweak scale. A novel feature of the gravity-scalar mixing would be a sizable three-point vertex of $\grav$-$h$-$ϕ$. We explore the potential of photon colliders, achieved by the laser backscattering technique, in probing the radion-Higgs mixing via the associated production of the radion with the Higgs boson. The advantage of photon colliders is the capability of adjusting the polarization of the incoming photons such that the signal of the spin-2 graviton exchange can be largely enhanced. The enhancement factor is shown to be about 5, except for small-$ξ$ region. We also study the corresponding backgrounds step-by-step in detail.
description: 15 pages, including 2 tables, 5 figures
Knowledge and Adoption Level of Improved Technology among Rural Women owing to Extension Programmes
Creators: name: Bala, Brij
name: Sharma, S.D.
name: Sharma, R.K.
name: Bala, Brij
name: Sharma, S.D.
name: Sharma, R.K.
Publisher: name: Unknown
Year: 2006
Subjects: Agricultural and Food Policy

description: The study has assessed the impact of extension programmes on the adoption level of improved technologies in agriculture and animal husbandry in the Kullu district of Himachal Pradesh for the agricultural year 2002-03. A significant difference has been observed in the knowledge and adoption levels among SHG-beneficiary and non-beneficiary groups. The study has revealed that the importance or ranking attached to various agricultural practices has been almost the same by both the groups, though with a significant gap in the extent of their adoption. In cereals, timely harvesting, followed by seed selection and seed treatment are the most adopted practices by beneficiary group while seed selection, followed by timely harvesting and timely sowing are the preferred practices by non-beneficiaries. Chemical weed control, pre-sowing soil treatment, sowing in lines at proper spacing have been the most ignored practices, although the level of their adoption has been found higher among beneficiaries than non-beneficiaries. In the case of vegetables, use of HYVs and sowing in lines are commonly practised by both the groups. Seed treatment, soil treatment and proper spacing are the practices where maximum chasm has been observed among the two groups. Similarly, in the case of animal husbandry, a significant gap in the adoption level of various practices has been observed among both the groups. The study has inferred that the extension programmes organized by various extension agencies for SHGs constitute appropriate educational tools for the transfer of technology and raising the socio-economic status of rural people.
Systematic vs. Statistical Uncertainties in Masses and Magnifications of the Hubble Frontier Fields
Creators: name: Raney, Catie A
name: Keeton, Charles R
name: Brennan, Sean
name: Fan, Hsin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The Hubble Frontier Fields data, along with multiple data sets obtained by other telescopes, have provided some of the most extensive constraints on cluster lenses to date. Multiple lens modeling teams analyzed the fields and made public a number of deliverables. By comparing these results, we can then undertake a unique and vital test of the state of cluster lens modeling. Specifically, we see how well the different teams can reproduce similar magnifications and mass profiles. We find that the circularly averaged mass profiles of the fields are remarkably constrained (scatter <5%) at distances of 1 arcmin from the cluster core, yet magnifications can vary significantly. Averaged across the six fields, we find a bias of -6% (-17%) and a scatter of ~40% (~65%) at a modest magnification of 3 (10). Statistical errors reported by individual teams are often significantly smaller than the differences among all the teams, indicating the importance of continued systematics studies in cluster lensing.
description: 25 pages, 21 figures. Accepted for publication in MNRAS
MENTALITY IN INTERCULTURAL COMMUNICATION
Creators: name: Rashidov Sanjar Jizzax davlat pedagogika universiteti,doktorant
Publisher: name: Zenodo
Year: 2024

description: Ushbu maqolada madaniyatlararo muloqotda mentalitetning roli o‘rganilib, madaniy mentalitetlar xususiyatini talqin qilish, qayta ishlash va ifodalashda qanday ta'sir ko‘rsatishi ko‘rib chiqilgan. Mentalitetning madaniyatlararo muloqotga qanday ta'sir qilishini tahlil qilish orqali samarali madaniyatlararo dialogga yordam beruvchi yoki to‘sqinlik qiluvchi asosiy konseptlarni tushunishga intilamiz. Ushbu tadqiqot madaniyatlararo farqlarni bartaraf etishda xabardorlik, moslashuvchanlik va ochiqlikning ahamiyatini tushuntirishga qaratilgan.
Effects of observer peculiar motion on the isotropic background frequency spectrum: from monopole to higher multipoles
Creators: name: Trombetti, Tiziana
name: Burigana, Carlo
name: Chierici, Francesco
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The observer peculiar motion produces boosting effects in the background anisotropies with frequency spectral behaviours related to its spectrum. We study how the frequency spectrum of the background isotropic monopole emission is modified and transferred to the frequency spectra at higher multipoles, l. We perform the analysis in terms of spherical harmonic expansion up to a certain lmax, for various models from radio to far-IR. We derive a system of linear equations to obtain spherical harmonic coefficients and provide explicit solutions up to lmax=6 as linear combinations of the signals at N=lmax+1 colatitudes. The associated Legendre polynomials symmetry with respect to π/2 is used to separate the system into two subsystems, one for l=0 and even l, the other for odd l. This improves the solutions accuracy with respect to an arbitrary colatitudes choice. We apply the method to analytical or semi-analytical representions of monopole spectra, i.e. to four types of CMB distortions, four types of extragalactic backgrounds superimposed to the CMB Planckian spectrum and some combinations of them. We present our results in terms of spherical harmonic coefficients, relationships between the observed and intrinsic monopoles, maps, angular power spectra. We compare the method results with the ones obtained using more computationally demanding numerical integrations or map generation/inversion. The method is generalized to include the effect of the observer motion relative to the Sun. Its simplicity and efficiency can significantly alleviate the computational effort needed for accurate predictions and for the analysis of future data. We discuss the superposition of the CMB intrinsic anisotropies and of the effects induced by the observer motion, exploring for the possibility of constraining the intrinsic dipole embedded in the kinematic dipole, in the presence of CMB spectral distortions.
description: 33 pages, 14 figures, 3 appendices; version very close to the one in press on Astronomy & Astrophysics
SWOT Analysis of Forest Carbon Sink Projects in Yunnan Province and Recommendations for Enhancing Competitiveness
Creators: name: FANG Xiaolin
name: GAO Lan
name: ZHAO Jing
name: FANG Xiaolin
name: GAO Lan
name: ZHAO Jing
Publisher: name: Unknown
Year: 2020
Subjects: subject: Agribusiness
subject: Forest carbon sink projects, SWOT analysis, Yunnan Province

description: Using the SWOT analysis method, this paper analyzed the internal strengths, weaknesses, external opportunities and threats of forest carbon sink projects in Yunnan Province. It found that Yunnan Province has strengths in economic environment and practical experience, weaknesses in social participation, project scale and carbon sink talents, opportunities in international climate environment, domestic policies, etc., and threats in project crediting period and forest resource protection, etc. In view of these, Yunnan Province can change the participation mode of forest carbon sink projects, adopt appropriate trading methods, get familiar with the relevant rules of forest carbon sink projects, strengthen the publicity and research of forest carbon sink theory, strengthen the management of carbon sink forests and expand forest carbon sink projects to enhance the market competitiveness of the Yunnan forest carbon sink projects.
Resistance Spot Welding- Weldability Lobe Simulation Development
Creators: name: Rashidi, Asari
Publisher: name: figshare
Year: 2020
Subjects: subject: Mechanical Engineering
subject: FOS: Mechanical engineering

description: The development of graphical tool for welding engineers & technicians to select the optimized welding parameters that suit with sheet metal and equipment to be used at production line side.
On two-dimensional surface attractors and repellers on 3-manifolds
Creators: name: Grines, Viatcheslav
name: Medvedev, Vladislav
name: Zhuzhoma, Evgeny
Publisher: name: arXiv
Year: 2004
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37D20; 37C70; 37C15

description: We show that if $f: M^3\to M^3$ is an $A$-diffeomorphism with a surface two-dimensional attractor or repeller $\mathcal B$ and $ M^2_ \mathcal B$ is a supporting surface for $ \mathcal B$, then $\mathcal B = M^2_{\mathcal B}$ and there is $k\geq 1$ such that: 1) $M^2_{\mathcal B}$ is a union $M^2_1\cup...\cup M^2_k$ of disjoint tame surfaces such that every $M^2_i$ is homeomorphic to the 2-torus $T^2$. 2) the restriction of $f^k$ to $M^2_i$ $(i\in\{1,...,k\})$ is conjugate to Anosov automorphism of $T^2$.
Continuous measurement of canonical observables and limit Stochastic Schrodinger equations
Creators: name: Gough, John
name: Sobolev, Andrei
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We derive the stochastic Schrodinger equation for the limit of continuous weak measurement where the observables monitored are canonical position and momentum. To this end we extend an argument due to Smolianov and Truman from the von Neumann model of indirect measurement of position to the Arthurs and Kelly model for simultaneous measurement of position and momentum. We only require unbiasedness of the detector states and an integrability condition sufficient to ensure a central limit effect. Despite taking a weak interaction, as opposed to weak measurement limit, the resulting stochastic wave equation is of the same form as that derived in a recent paper by Scott and Milburn for the specific case of joint Gaussian states.
description: 15 pages, no figures