cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Breaking of axial symmetry in excited heavy nuclei as identified in Giant Dipole Resonance data
Creators: name: Grosse, Eckart
name: Junghans, Arnd R.
name: Massarczyk, Ralph
Publisher: name: arXiv
Year: 2015
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: A recent theoretical prediction of a breaking of axial symmetry in quasi all heavy nuclei is confronted to a new critical analysis of photon strength functions of nuclei in the valley of stability. For the photon strength in the isovector giant dipole resonance (IVGDR) regime a parameterization of GDR shapes by the sum of three Lorentzians (TLO) is extrapolated to energies below and above the IVGDR. The impact of non-GDR modes adding to the low energy slope of photon strength is discussed including recent data on photon scattering and other radiative processes. These are shown to be concentrated in energy regions where various model calculations predict intermediate collective strength; thus they are obviously separate from the IVGDR tail. The triple Lorentzian (TLO) ansatz for giant dipole resonances is normalized in accordance to the dipole sum rule. The nuclear droplet model with surface dissipation accounts well for positions and widths without local, nuclide specific, parameters. Very few and only global parameters are needed when a breaking of axial symmetry already in the valley of stability is admitted and hence a reliable prediction for electric dipole strength functions also outside of it is expected.
description: 21 pages, 21 figures, PACS: 26.50.+x, 25.20.Dc,27.60.+j Accepted by Europ. Phys. Journal A
Square-root measurements and degradation of the resource state in port-based teleportation scheme
Creators: name: Studziński, Michał
name: Mozrzymas, Marek
name: Kopszak, Piotr
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Port-based teleportation (PBT) is a protocol of quantum teleportation in which a receiver does not have to apply correction to the transmitted state. In this protocol two spatially separated parties can teleport an unknown quantum state only by exploiting joint measurements on number of shared $d-$dimensional maximally entangled states (resource state) together with a state to be teleported and one way classical communication. In this paper we analyse for the first time the recycling protocol for the deterministic PBT beyond the qubit case. In the recycling protocol the main idea is to re-use the remaining resource state after one or many rounds of PBT for further processes of teleportation. The key property is to learn how much the underlying resource state degrades after every round of the teleportation process. We measure this by evaluating quantum fidelity between respective resource states. To do so we first present analysis of the square-root measurements used by the sender in PBT by exploiting the symmetries of the system. In particular, we show how to effectively evaluate their square-roots and composition. These findings allow us to present the explicit formula for the recycling fidelity involving only group-theoretic parameters describing irreducible representations in the Schur-Weyl duality. For the first time, we also analyse the degradation of the resource state for the optimal PBT scheme and show its degradation for all $d\geq 2$. In the both versions, the qubit case is discussed separately resulting in compact expression for fidelity, depending only on the number of shared entangled pairs.
Reactive point processes: A new approach to predicting power failures in underground electrical systems
Creators: name: Ertekin, Şeyda
name: Rudin, Cynthia
name: McCormick, Tyler H.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Reactive point processes (RPPs) are a new statistical model designed for predicting discrete events in time based on past history. RPPs were developed to handle an important problem within the domain of electrical grid reliability: short-term prediction of electrical grid failures ("manhole events"), including outages, fires, explosions and smoking manholes, which can cause threats to public safety and reliability of electrical service in cities. RPPs incorporate self-exciting, self-regulating and saturating components. The self-excitement occurs as a result of a past event, which causes a temporary rise in vulner ability to future events. The self-regulation occurs as a result of an external inspection which temporarily lowers vulnerability to future events. RPPs can saturate when too many events or inspections occur close together, which ensures that the probability of an event stays within a realistic range. Two of the operational challenges for power companies are (i) making continuous-time failure predictions, and (ii) cost/benefit analysis for decision making and proactive maintenance. RPPs are naturally suited for handling both of these challenges. We use the model to predict power-grid failures in Manhattan over a short-term horizon, and to provide a cost/benefit analysis of different proactive maintenance programs.
description: Published at http://dx.doi.org/10.1214/14-AOAS789 in the Annals of Applied Statistics (http://www.imstat.org/aoas/) by the Institute of Mathematical Statistics (http://www.imstat.org)
[download pdf] Through the Moon (The Dragon Prince Graphic Novel #1) by Peter Wartman, Xanthe Bouma
Creators: name: Whipple
Publisher: name: Zenodo
Year: 2024

description: Through the Moon (The Dragon Prince Graphic Novel #1) by Peter Wartman, Xanthe Bouma

 

 

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Through the Moon (The Dragon Prince Graphic Novel #1)

Peter Wartman, Xanthe Bouma

Page: 128

Format: pdf, ePub, mobi, fb2

ISBN: 9781338608816

Publisher: Scholastic, Inc.

 

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Complex hypergeometric functions and integrable many-body problems
Creators: name: Sarkissian, G. A.
name: Spiridonov, V. P.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mathematical Physics (math-ph)
subject: Classical Analysis and ODEs (math.CA)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: General reduction of the elliptic hypergeometric equation to the level of complex hypergeometric functions is described. The derived equation is generalized to the Hamiltonian eigenvalue problem for new rational integrable $N$-body systems emerging from particular degenerations of the elliptic Ruijsenaars and van Diejen models.
description: 22 pp., published version
Squirrel Girl: Universe: A Marvel Heroines Novel by Tristan Palmgren on Iphone New Format
Creators: name: England
Publisher: name: Zenodo
Year: 2024

description: Squirrel Girl: Universe: A Marvel Heroines Novel by Tristan Palmgren

 

 

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Squirrel Girl: Universe: A Marvel Heroines Novel

Tristan Palmgren

Page: 352

Format: pdf, ePub, mobi, fb2

ISBN: 9781839081477

Publisher: Aconyte

 

Download online ebooks free Squirrel Girl: Universe: A Marvel Heroines Novel in English 9781839081477 RTF by Tristan Palmgren

Overview

The Unbeatable Squirrel Girl is on a wild cosmic adventure to save the galaxy, in a Marvel Heroines action novel that is totally out of this world! Squirrel Girl is in a pickle and a jam, a metaphor that mixes about as well as it tastes. She and her friends are lost in outer space, where there is a conspicuous absence of oxygen and, even more troubling, a shortage of squirrels. After hitching a ride on a passing space whale, Squirrel Girl and her trusty companions find themselves on a free-merchant space station and on the front line of a looming interstellar war. The stakes have never been so high, and trillions of lives are at risk! Luckily for the universe, Squirrel Girl is here to stand up against the odds and set things right across the galaxy.
Composite Bernstein Cubature
Creators: name: Acu, Ana-Maria
name: Gonska, Heiner
Publisher: name: arXiv
Year: 2015
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: Primary 41A36, Secondary 41A15, 65D30

description: We consider a sequence of composite bivariate Bernstein operators and the cubature formula associated with them. The upper bounds for the remainder term of the cubature formula are described in terms of moduli of continuity of order two. Also we include some results showing how non-multiplicative the integration functional is.
A Non-stiff Summation-By-Parts Finite Difference Method for the Scalar Wave Equation in Second Order Form: Characteristic Boundary Conditions and Nonlinear Interfaces
Creators: name: Erickson, Brittany A
name: Kozdon, Jeremy E
name: Harvey, Tobias W
Publisher: name: arXiv
Year: 2021
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: Curvilinear, multiblock summation-by-parts finite difference operators with the simultaneous approximation term method provide a stable and accurate framework for solving the wave equation in second order form. That said, the standard method can become arbitrarily stiff when characteristic boundary conditions and nonlinear interface conditions are used. Here we propose a new technique that avoids this stiffness by using characteristic variables to "upwind" the boundary and interface treatment. This is done through the introduction of an additional block boundary displacement variable. Using a unified energy, which expresses both the standard as well as characteristic boundary and interface treatment, we show that the resulting scheme has semidiscrete energy stability for the scalar anisotropic wave equation. The theoretical stability results are confirmed with numerical experiments that also demonstrate the accuracy and robustness of the proposed scheme. The numerical results also show that the characteristic scheme has a time step restriction based on standard wave propagation considerations and not the boundary closure.
description: 40 pages, 7 figures
A sharp signature bound for positive four-braids
Creators: name: Feller, Peter
Publisher: name: arXiv
Year: 2015
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 57M25, 57M27

description: We provide the optimal linear bound for the signature of positive four-braids in terms of the three-genus of their closures. As a consequence, we improve previously known linear bounds for the signature in terms of the first Betti number for all positive braid links. We obtain our results by combining bounds for positive three-braids with Gordon and Litherland's approach to signature via unoriented surfaces and their Goeritz forms. Examples of families of positive four-braids for which the bounds are sharp are provided.
description: 12 pages, 6 figures, comments welcome! Accepted for publication in Q. J. Math
[PDF] L'heure des fous download
Creators: name: Park
Publisher: name: Zenodo
Year: 2024

description: L'heure des fous pan Nicolas Lebel

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L'heure des fous

Nicolas Lebel

Nb. de pages: 384

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782253259992

Editeur: LGF/Livre de Poche

Date de parution: 2019

 

 

 

Téléchargez les manuels en format pdf L'heure des fous par Nicolas Lebel

 

Overview

Paris. Un sans-abri est poignardé à mort sur une voie ferrée de la gare de Lyon. "Vous me réglez ça. Rapide et propre, qu'on n'y passe pas Noël" , ordonne le commissaire au capitaine Mehrlicht et à son équipe, le lieutenant Dossantos, exalté du code pénal et du bon droit, le lieutenant Sophie Latour qui panique dans les flash mobs, et le lieutenant stagiaire Ménard, souffre-douleur du capitaine à tête de grenouille, amateur de sudoku et de répliques d'Audiard. Mais ce qui s'annonçait comme un simple règlement de comptes entre SDF se complique une fois le cadavre identifié. L'affaire entraîne le groupe d'enquêteurs dans les méandres de la Jungle, nouvelle cour des miracles au coeur du bois de Vincennes, dans le dédale de l'illustre Sorbonne, jusqu'aux arrière-cours des troquets parisiens, pour s'achever en une course contre la montre dans les rues de la capitale. Il leur faut à tout prix empêcher que ne sonne l'heure des fous.
Hybrid Photonic-Plasmonic Cavities based on the Nanoparticle-on-a-Mirror Configuration
Creators: name: Barreda, Angela I.
name: Zapata-Herrera, Mario
name: Palstra, Isabelle
name: Mercadé, Laura
name: Aizpurua, Javier
name: Koenderink, A. Femius
name: Martínez, Alejandro
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Hybrid photonic-plasmonic cavities have emerged as a new platform to increase light-matter interaction capable to enhance the Purcell factor in a singular way not attainable with either photonic or plasmonic cavities separately. In the hybrid cavities proposed so far, mainly consisting of metallic bow-tie antennas, the plasmonic gap sizes defined by lithography in a repeatable way are limited to minimum values \approx 10 nm. Nanoparticle-on-a-mirror (NPoM) cavities are far superior to achieve the smallest possible mode volumes, as gaps smaller than 1 nm can be created. Here, we design a hybrid cavity that combines a NPoM plasmonic cavity and a dielectric-nanobeam photonic crystal cavity operating at transverse-magnetic (TM) polarization. The metallic nanoparticle can be placed very close (< 1 nm) to the upper surface of the dielectric cavity, which acts as a low-reflectivity mirror. We demonstrate through numerical calculations that this kind of hybrid plasmonic-photonic cavity architecture exhibits quality factors, Q, above 10^{3} and normalized mode volumes, V , down to 10^{\num{-3}}, thus resulting in high Purcell factors (FP \approx 10^5), whilst being experimentally feasible with current technology. Our results suggest that hybrid cavities with sub-nm gaps should open new avenues for boosting light-matter interaction in nanophotonic systems.
Resilience of Finite Networks Against Simple and Combined Attack on Their Nodes
Creators: name: Vaisman, Radislav
name: Gertsbakh, Ilya B.
Publisher: name: Reliability: Theory & Applications
Year: 2016
Subjects: attack on network node
cumulative D-spectra (signature); combined attack on nodes
finite network

description: We compare the reliability of two finite networks with the same vertex degree and the same number of nodes; a regular 16x16 grid and a Poisson network. Both networks are subject to random removal of their nodes, and the network failure is defined as the reduction of the maximal component beyond some critical level α. The main tool for comparing the network resilience are the marginal cumulative D-spectra (signatures) of the networks. It was demonstrated that the regular grid for small α is less reliable than the Poisson network. We study also the situation when multiple hits of the same node are allowed. We demonstrate that finite networks behave similar to infinite random network with regard to the fraction of nodes to be removed to create “similar” giant components containing the same fraction of network nodes. Finally, we consider a combined attack on network nodes by two-type of “shells” where the node fails only if it is hit by “shells” of both types. For this case, we derive a formula for determining the minimal number of “shells” which destroy the network with given probability.
(3301) Arthur Stokoe Clark
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Steering proton migration in hydrocarbons using intense few-cycle laser fields
Creators: name: Kübel, M.
name: Siemering, R.
name: Burger, C.
name: Kling, Nora G.
name: Li, H.
name: Alnaser, A. S.
name: Bergues, B.
name: Zherebtsov, S.
name: Azzeer, A. M.
name: Ben-Itzhak, I.
name: Moshammer, R.
name: de Vivie-Riedle, R.
name: Kling, M. F.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: FOS: Physical sciences

description: Proton migration is a ubiquitous process in chemical reactions related to biology, combustion, and catalysis. Thus, the ability to control the movement of nuclei with tailored light, within a hydrocarbon molecule holds promise for far-reaching applications. Here, we demonstrate the steering of hydrogen migration in simple hydrocarbons, namely acetylene and allene, using waveform-controlled, few-cycle laser pulses. The rearrangement dynamics are monitored using coincident 3D momentum imaging spectroscopy, and described with a quantum-dynamical model. Our observations reveal that the underlying control mechanism is due to the manipulation of the phases in a vibrational wavepacket by the intense off-resonant laser field.
description: 5 pages, 4 figures
Probabilistic Models for Reliability Analysis of a System with Three Consecutive Stages of Deterioration
Creators: name: Ramatu Idris Gatawa
name: Yusuf, Ibrahim
Publisher: name: Reliability: Theory & Applications
Year: 2016
Subjects: list
keywords
enter
here

description: In this paper we present availability and mean time to failure estimation of a system where the deterioration rates follow the Weibull distribution. The paper presents modeling and evaluation of availability and mean time to system failure (MTSF) of a consecutive three stage deteriorating system. The system has three possible modes: working with full capacity, deterioration and failure mode. The three stages of deterioration are minor, medium and major deteriorations. Minor and major maintenance are allowed at minor and medium deterioration states and replacement at system failure. Explicit expressions for the availability and mean time to failure of the system are obtained analytically. Graphs have been plotted to determine the behavior of availability and mean time to system failure with respect to time for different values of deterioration, maintenance and replacement rates. Also, high values of the shape parameter decreases mean time to system failure and availability. The system is analyzed using differential difference equations.
(3300) Laura Helen Probart Brown
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Study Of Starting Duty Of Wind Power Plant With Asynchronous Generators
Creators: name: Hasanova, Laman
name: Mustafayev, Rauf
Publisher: name: Reliability: Theory & Applications
Year: 2016
Subjects: wind power plants
asynchronous machines
double fed asynchronous machines

description: Presently, the park of wind power plants (WPP) consists mostly of frequency controlled asynchronous generators. As the generators the squirrel-cage asynchronous machines and generators made on the basis of double fed asynchronous machines (DFAM) are used. When WPPs locate far from the powerful sources of energy generation of power system and they are connected with the power system by "weak" power grids, i.e. by grids, which are not equipped with reactive power sources, then the unwanted voltage dips may occur when connecting the WPPs to the power system in the places of their connection to the power system. The comparative analysis on the developed three-coordinated mathematical models of asynchronous machines of start by underfrequency relay and connection of WPPs with the above asynchronous generators to the power system has been carried out. It has been found, that in terms of impact of starting duties on electric power networks the most preferable are the systems of WPPs with squirrel-cage asynchronous generators. The values of starting currents when start by underfrequency relay of WPPs with squirrel-cage asynchronous generators are almost 48% lower than in the system of WPPs with DFAM eactive power compensation of asynchronous generators wind power and small hydroelectric power stations increases the reliability of connecting them to the so-called "weak" power grids of power systems. The methods of reactive power compensation for asynchronous generators of various designs.
Low Surface Brightness Galaxies selected from the 40% sky area of the ALFALFA HI survey.I.Sample and statistical properties
Creators: name: Du, Wei
name: Wu, Hong
name: Lam, Man I
name: Zhu, Yinan
name: Lei, Fengjie
name: Zhou, Zhimin
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The population of Low Surface Brightness (LSB) galaxies is crucial for understanding the extremes of galaxy formation and evolution of the universe. As LSB galaxies are mostly rich in gas (HI), the alpha.40-SDSS DR7 sample is absolutely one of the best survey combinations to select a sample of them in the local Universe. Since the sky backgrounds are systematically overestimated for galaxy images by the SDSS photometric pipeline, particularly for luminous galaxies or galaxies with extended low surface brightness outskirts, in this paper, we above all estimated the sky backgrounds of SDSS images in the alpha.40-SDSS DR7 sample, using a precise method of sky subtraction. Once subtracting the sky background, we did surface photometry with the Kron elliptical aperture and fitted geometric parameters with an exponential profile model for each galaxy image. Basing on the photometric and geometric results, we further calculated the B-band central surface brightness, mu_{0}(B), for each galaxy and ultimately defined a sample of LSB galaxies consisting of 1129 galaxies with mu_{0}(B) > 22.5 mag arcsec^{-2} and the minor-to-major axis ratio b/a > 0.3. This HI-selected LSB galaxy sample from the alpha.40-SDSS DR7 is a relatively unbiased sample of gas-rich and disk-dominated LSB galaxies, which is complete both in HI observation and the optical magnitude within the limit of SDSS DR7 photometric survey. We made analysis on optical and radio 21cm HI properties of this LSB galaxy sample. Additionally, we statistically investigated the environment of our LSB galaxies, and found that up to 92% of the total LSB galaxies have less than 8 neighbouring galaxies, which strongly evidenced that LSB galaxies prefer to reside in the low-density environment.
description: 54 pages (in AAS template), 13 figures, accepted for publishment in AJ
Supplementary Fig. 2 Membrane lipid composition in P. tricornutum from Investigating mixotrophic metabolism in the model diatom Phaeodactylum tricornutum
Creators: name: Villanova, Valeria
name: Fortunato, Antonio Emidio
name: Dipali Singh
name: Bo, Davide Dal
name: Conte, Melissa
name: Obata, Toshihiro
name: Jouhet, Juliette
name: Fernie, Alisdair R.
name: Marechal, Eric
name: Falciatore, Angela
name: Pagliardini, Julien
name: Monnier, Adeline Le
name: Poolman, Mark
name: Curien, Gilles
name: Petroutsos, Dimitris
name: Finazzi, Giovanni
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Cell Biology
subject: Physiology
subject: FOS: Biological sciences
subject: Biological Engineering
subject: Plant Biology
subject: 60114 Systems Biology

description: Lipid analysis of cells grow in N-replete conditions and N-deplete conditions in both mixotrophic and phototrophic mode. Each result is the average of two biological replicates ± SD. SQDG, sulfoquinovosyldiacylglycerol; DGDG, digalactosyldiacylglycerol; MGDG, monogalactosyldiacylglycerol; PC, phosphatidylcholine; PHOT: light in N-replete condition; PHOTO-N: light in N-deplete condition; MIX: light+glycerol in N-replete condition; MIX-N: light+glycerol in N-deplete condition.
(3299) Charles Cook
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Multi-omic network signatures of disease
Creators: name: Gibbs, David L.
name: Gralinski, Lisa
name: Baric, Ralph S.
name: McWeeney, Shannon K.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: To better understand dynamic disease processes, integrated multi-omic methods are needed, yet comparing different types of omic data remains difficult. Integrative solutions benefit experimenters by eliminating potential biases that come with single omic analysis. We have developed the methods needed to explore whether a relationship exists between co-expression network models built from transcriptomic and proteomic data types, and whether this relationship can be used to improve the disease signature discovery process. A naïve, correlation based method is utilized for comparison. Using publicly available infectious disease time series data, we analyzed the related co-expression structure of the transcriptome and proteome in response to SARS-CoV infection in mice. Transcript and peptide expression data was filtered using quality scores and subset by taking the intersection on mapped Entrez IDs. Using this data set, independent co-expression networks were built. The networks were integrated by constructing a bipartite module graph based on module member overlap, module summary correlation, and correlation to phenotypes of interest. Compared to the module level results, the naïve approach is hindered by a lack of correlation across data types, less significant enrichment results, and little functional overlap across data types. Our module graph approach avoids these problems, resulting in an integrated omic signature of disease progression, which allows prioritization across data types for down-stream experiment planning. Integrated modules exhibited related functional enrichments and could suggest novel interactions in response to infection. These disease and platform-independent methods can be used to realize the full potential of multi-omic network signatures. The data (experiment SM001) are publically available through the NIAID Systems Virology (https://www.systemsvirology.org) and PNNL (http://omics.pnl.gov) web portals. Phenotype data is found in the supplementary information. The ProCoNA package is available as part of Bioconductor 2.13.
Critical behaviors and universality classes of percolation phase transitions on two-dimensional square lattice
Creators: name: Zhu, Yong
name: Yang, Ziqing
name: Zhang, Xin
name: Chen, Xiaosong
Publisher: name: arXiv
Year: 2015
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We have investigated both site and bond percolation on two dimensional lattice under the random rule and the product rule respectively. With the random rule, sites or bonds are added randomly into the lattice. From two candidates picked randomly, the site or bond with the smaller size product of two connected clusters is added when the product rule is taken. Not only the size of the largest cluster but also its size jump are studied to characterize the universality class of percolation. The finite-size scaling forms of giant cluster size and size jump are proposed and used to determine the critical exponents of percolation from Monte Carlo data. It is found that the critical exponents of both size and size jump in random site percolation are equal to that in random bond percolation. With the random rule, site and bond percolation belong to the same universality class. We obtain the critical exponents of the site percolation under the product rule, which are different from that of both random percolation and the bond percolation under the product rule. The universality class of site percolation differs different from that of bond percolation when the product rule is used.
description: 6 pages, 9 figures
Investigating developmental changes in sensory processing: visual mismatch response in healthy children
Creators: name: Donkers, Franc C.L.
name: Belger, Aysenil
name: Evans, Anna M.
name: Cleary, Katherine M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: The ability to detect small changes in one's visual environment is important for effective adaptation to and interaction with a wide variety of external stimuli. Much research has studied the auditory mismatch negativity (MMN), or the brain's automatic response to rare changes in a series of repetitive auditory stimuli. But recent studies indicate that a visual homolog to this component of the event-related potential (ERP) can also be measured. While most visual mismatch response (vMMR) studies have focused on adult populations, few studies have investigated this response in healthy children, and little is known about the developmental nature of this phenomenon. We recorded EEG data in 22 healthy children (ages 8–12) and 20 healthy adults (ages 18–42). Participants were presented with two types of task irrelevant background images of black and gray gratings while performing a visual target detection task. Spatial frequency of the background gratings was varied with 85% of the gratings being of high spatial frequency (HSF; i.e., standard background stimulus) and 15% of the images being of low spatial frequency (LSF; i.e., deviant background stimulus). Results in the adult group showed a robust mismatch response to deviant (non-target) background stimuli at around 150 ms post-stimulus at occipital electrode locations. In the children, two negativities around 150 and 230 ms post-stimulus at occipital electrode locations and a positivity around 250 ms post-stimulus at fronto-central electrode locations were observed. In addition, larger amplitudes of P1 and longer latencies of P1 and N1 to deviant background stimuli were observed in children vs. adults. These results suggest that processing of deviant stimuli presented outside the focus of attention in 8–12-year-old children differs from those in adults, and are in agreement with previous research. They also suggest that the vMMR may change across the lifespan in accordance with other components of the visual ERP.
Simulation Modelling Of A Sporadic Demand Applying A Bootstraping
Creators: name: Breznick, Alena
name: Chovanec, Alexej
Publisher: name: Reliability: Theory & Applications
Year: 2016
Subjects: Simulation modelling
sporadic demand
bootstraping
forecasting

description: This technique bootraping has been successfully used in various applied statistical problems, although not many applications have been reported in the area of time series. In this paper we present a new application of Bootstrap to time series. A fundamental aspect of supply chain management is accurate demand forecasting. We address the problem of forecasting intermittent (or irregular) demand, i.e. random demand with a large proportion of zero values. Items of spare parts with sporadic consumption can make a significant, up to 60% portion of the value of supplies in service and workshop inventory areas of many industrial segments. An understanding of key features of demand data is important when developing computer systems for forecasting and inventory control.
Connecting Numerical Relativity and Data Analysis of Gravitational Wave Detectors
Creators: name: Shoemaker, Deirdre
name: Jani, Karan
name: London, Lionel
name: Pekowsky, Larne
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Gravitational waves deliver information in exquisite detail about astrophysical phenomena, among them the collision of two black holes, a system completely invisible to the eyes of electromagnetic telescopes. Models that predict gravitational wave signals from likely sources are crucial for the success of this endeavor. Modeling binary black hole sources of gravitational radiation requires solving the Eintein equations of General Relativity using powerful computer hardware and sophisticated numerical algorithms. This proceeding presents where we are in understanding ground-based gravitational waves resulting from the merger of black holes and the implications of these sources for the advent of gravitational-wave astronomy.
description: Appeared in the Proceedings of 2014 Sant Cugat Forum on Astrophysics. Astrophysics and Space Science Proceedings, ed. C.Sopuerta (Berlin: Springer-Verlag)
Energy Compression and Stabilization of Laser-Plasma Accelerators
Creators: name: Pousa, A. Ferran
name: Agapov, I.
name: Antipov, S. A.
name: Assmann, R. W.
name: Brinkmann, R.
name: Jalas, S.
name: Kirchen, M.
name: Leemans, W. P.
name: Maier, A. R.
name: de la Ossa, A. Martinez
name: Osterhoff, J.
name: Thévenet, M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Laser-plasma accelerators outperform current radiofrequency technology in acceleration strength by orders of magnitude. Yet, enabling them to deliver competitive beam quality for demanding applications, particularly in terms of energy spread and stability, remains a major challenge. In this Letter, we propose to combine bunch decompression and active plasma dechirping for drastically improving the energy profile and stability of beams from laser-plasma accelerators. Realistic start-to-end simulations demonstrate the potential of these post-acceleration phase-space manipulations for simultaneously reducing an initial energy spread and energy jitter of $\sim1$-$2\%$ to ${\lesssim} 0.1 \%$, closing the beam-quality gap to conventional acceleration schemes.
description: Final version accepted for publication
Network-Level Connectivity Dynamics of Movie Watching in 6-Year-Old Children
Creators: name: Gao, Wei
name: Lin, Weill
name: Gilmore, John H.
name: Short, Sarah J.
name: Emerson, Robert W.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Better understanding of the developing brain’s functional mechanisms is critical for improving diagnosis and treatment of different developmental disorders. Particularly, characterizing how the developing brain dynamically reorganizes during different cognitive states may offer novel insight into the neuronal mechanisms of cognitive deficits. Imaging the brain during naturalistic conditions, like movie watching, provides a highly practical way to study young children’s developing functional brain systems. In this study we compared the network-level functional organization of 6-year-old children while they were at rest with their functional connectivity as they watched short video clips. We employed both a data-driven independent component analysis (ICA) approach and a hypothesis-driven seed-based analysis to identify changes in network-level functional interactions during the shift from resting to video watching. Our ICA results showed that naturally watching a movie elicits significant changes in the functional connectivity between the visual system and the dorsal attention network when compared to rest (t(32) = 5.02, p = 0.0001). More interestingly, children showed an immature, but qualitatively adult-like, pattern of reorganization among three of the brain’s higher-order networks (frontal control, default-mode and dorsal attention). For both ICA and seed-based approaches, we observed a decrease in the frontal network’s correlation with the dorsal attention network (ICA: t(32) = −2.46, p = 0.02; Seed-based: t(32) = −1.62, p =0.12) and an increase in its connectivity with the default mode network (ICA: t(32) = 2.84, p = 0.008; Seed-based: t(32) = 2.28, p =0.03), which is highly consistent with the pattern observed in adults. These results offer improved understanding of the developing brain’s dynamic network-level interaction patterns during the transition between different brain states and call for further studies to examine potential alterations to such dynamic patterns in different developmental disorders.
(3298) Minnie L'Ost Brown
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Neurodevelopmental effects of insulin-like growth factor signaling
Creators: name: Ye, Ping
name: O'Kusky, John
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: Insulin-like growth factor (IGF) signaling greatly impacts the development and growth of the central nervous system (CNS). IGF-I and IGF-II, two ligands of the IGF system, exert a wide variety of actions both during development and in adulthood, promoting the survival and proliferation of neural cells. The IGFs also influence the growth and maturation of neural cells, augmenting dendritic growth and spine formation, axon outgrowth, synaptogenesis, and myelination. Specific IGF actions, however, likely depend on cell type, developmental stage, and local microenvironmental milieu within the brain. Emerging research also indicates that alterations in IGF signaling likely contribute to the pathogenesis of some neurological disorders. This review summarizes experimental studies and shed light on the critical roles of IGF signaling, as well as its mechanisms, during CNS development.
(3297) Robert Douglas
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Inhibition of Ras for cancer treatment: the search continues
Creators: name: Xu, Dapeng
name: Baines, Antonio T.
name: Der, Channing J.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2011

description: The RAS oncogenes (HRAS, NRAS and KRAS) comprise the most frequently mutated class of oncogenes in human cancers (33%), stimulating intensive effort in developing anti-Ras inhibitors for cancer treatment.
(3296) Maud Beatrice Brown
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Externally triggered coherent two-photon emission from hydrogen molecules
Creators: name: Miyamoto, Yuki
name: Hara, Hideaki
name: Masuda, Takahiko
name: Sasao, Noboru
name: Tanaka, Minoru
name: Uetake, Satoshi
name: Yoshimi, Akihiro
name: Yoshimura, Koji
name: Yoshimura, Motohiko
Publisher: name: arXiv
Year: 2015
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We report coherent enhancement of two-photon emission from the excited vibrational state of molecular hydrogen triggered by irradiating mid-infrared pulses externally. We previously observed the two-photon emission triggered by the internally generated fourth Stokes photons. By injecting independent mid-infrared pulses externally, it is possible to control experimental parameters and investigate the mechanism in more detail. In this article, we describe the two-photon emission using the external trigger pulses. Its spectrum and dependence on the energy and timing of the trigger pulse are presented along with numerical simulations based on the Maxwell-Bloch equations. The measured number of emitted photons is 6 10^11 photons/pulse and the resulting enhancement factor from the spontaneous emission is more than 10^18. This value is three orders of magnitude higher than that of the previous experiment. External control of emission process is expected to be essential for observation of weaker process of radiative emission of neutrino pair.
(3295) Maud Brown
Creators: name: Professions, Victorian
Publisher: name: University of Oxford
Year: 2022
Subjects: subject: 220201 Business and Labour History
subject: FOS: Philosophy, ethics and religion
subject: History
subject: 140203 Economic History
subject: FOS: Economics and business

description: This three-year research project began in January 2014 and investigated whether, during the Victorian period, the professions formed a distinct self-sustaining social group with its own mores and values. The project looked at 16,000 individuals drawn from census data for Alnwick, Brighton, Bristol, Dundee, Greenock, Leeds, Merthyr Tydfil, Morpeth, and Winchester. The research project was funded by the UK Economic & Social Research Council and was based at the Universities of Oxford and Northumbria.
Metastability Of Large Networks With Mobile Servers
Creators: name: A. Vladimirov
name: Senya Shlosman
name: A. Rybko
name: F. Baccelli
Publisher: name: Reliability: Theory & Applications
Year: 2016
Subjects: ad hoc network
transience
metastability
mean field

description: We study symmetric queueing networks with moving servers and FIFO service discipline. The mean-field limit dynamics demonstrates unexpected behavior which we attribute to the metastability phenomenon. Large enough finite symmetric networks on regular graphs such as cycles are proved to be transient for arbitrary small inflow rates. However, the limiting non-linear Markov process possesses at least two stationary solutions. The proof of transience is based on martingale technique.
Applying a natural language processing tool to electronic health records to assess performance on colonoscopy quality measures
Creators: name: Bishehsari, Faraz
name: Harkema, Henk
name: Farmer, Carrie
name: Dellon, Evan S.
name: Saul, Melissa
name: Schoen, Robert E.
name: Mehrotra, Ateev
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: Gastroenterology specialty societies have advocated that providers routinely assess their performance on colonoscopy quality measures. Such routine measurement has been hampered by the costs and time required to manually review colonoscopy and pathology reports. Natural Language Processing (NLP) is a field of computer science in which programs are trained to extract relevant information from text reports in an automated fashion.
DOWNLOAD [PDF] {EPUB} Long story short
Creators: name: Phillips
Publisher: name: Zenodo
Year: 2024

description: Long story short pan Lucile Jones

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Caractéristiques

Long story short

Lucile Jones

Nb. de pages: 310

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782755672183

Editeur: Hugo Roman

Date de parution: 2023

 

 

 

Téléchargements livres gratuits google books Long story short par Lucile Jones 9782755672183

 

Overview

Découvrez l'histoire qui a convaincu toute une communauté TikTok pour les 10 ans de la New Romance® ! Tillie n'a qu'une ambition : devenir autrice. C'est pour ça qu'elle a quitté sa ville natale sans un regard en arrière, c'est pour ça qu'elle a rejoint l'université réputée de Pittsburgh, et c'est pour ça qu'elle ne laissera rien se mettre en travers de sa route. Alors, quand elle découvre l'identité de son nouveau professeur d'écriture créative, elle croit d'abord à une mauvaise blague. Le problème n'est pas qu'il soit terriblement jeune, ni même qu'il entraîne l'équipe de soccer de la fac, ça elle pourrait s'y faire. Non, le vrai souci, c'est qu'il est tout sauf un écrivain sérieux. Etudier avec un auteur de romance ? Et puis quoi encore ? Surtout quand ce dernier se révèle être un parfait connard. Un parfait - et très séduisant - connard...