cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
[Kindle] EL NIÑO CON EL PIJAMA DE RAYAS descargar gratis
Creators: name: Rieth
Publisher: name: Zenodo
Year: 2024

description: EL NIÑO CON EL PIJAMA DE RAYAS de JOHN BOYNE

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Ficha técnica

EL NIÑO CON EL PIJAMA DE RAYAS

JOHN BOYNE

Número de páginas: 224

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788498380798

Editorial: S.A.) SALAMANDRA (PUBLICACIONES Y EDICIONES SALAMANDRA

Año de edición: 2007

 

 

 

 

 

Descargar ebooks gratis en inglés EL NIÑO CON EL PIJAMA DE RAYAS en español

 

Overview

 

Estimado lector, estimada lectora:

Aunque el uso habitual de un texto como éste es describir las características de la obra, por una vez nos tomaremos la libertad de hacer una excepción a la norma establecida. No sólo porque el libro que tienes en tus manos es muy difícil de definir, sino porque estamos convencidos de que explicar su contenido estropearía la experiencia de la lectura. Creemos que es importante empezar esta novela sin saber de qué trata.

No obstante, si decides embarcarte en la aventura, debes saber que acompañarás a Bruno, un niño de nueve años, cuando se muda con su familia a una casa junto a una cerca. Cercas como ésa existen en muchos sitios del mundo, sólo deseamos que no te encuentres nunca con una. Por último, cabe aclarar que este libro no es sólo para adultos; también lo pueden leer, y sería recomendable que lo hicieran, niños a partir de los trece años de edad.

El editor.
(3146) Lucia Crosthwaite
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.
[PDF] TIEMPO DE SILENCIO descargar gratis
Creators: name: Brandon
Publisher: name: Zenodo
Year: 2024

description: TIEMPO DE SILENCIO de LUIS MARTIN-SANTOS

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Ficha técnica

TIEMPO DE SILENCIO

LUIS MARTIN-SANTOS

Número de páginas: 288

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788432207716

Editorial: SEIX BARRAL

Año de edición: 1999

 

 

 

 

 

Descarga gratuita de publicaciones de libros. TIEMPO DE SILENCIO de LUIS MARTIN-SANTOS 9788432207716

 

Overview

La presente edición tiene carácter definitivo, por cuanto en ella se ha restituido al texto la plena totalidad de las supresiones que había forzado a introducir en él la censura del régimen franquista.
Information structure: linguistic, cognitive, and processing approaches
Creators: name: Kahn, Jason M.
name: Kim, Lucy K.
name: Arnold, Jennifer E.
name: Kaiser, Elsi
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: Language form varies as a result of the information being communicated. Some of the ways in which it varies include word order, referential form, morphological marking, and prosody. The relevant categories of information include the way a word or its referent have been used in context, for example whether a particular referent has been previously mentioned or not, and whether it plays a topical role in the current utterance or discourse. We first provide a broad review of linguistic phenomena that are sensitive to information structure. We then discuss several theoretical approaches to explaining information structure: information status as a part of the grammar; information status as a representation of the speaker’s and listener’s knowledge of common ground and/or the knowledge state of other discourse participants; and the optimal systems approach. These disparate approaches reflect the fact that there is little consensus in the field about precisely which information status categories are relevant, or how they should be represented. We consider possibilities for future work to bring these lines of work together in explicit psycholinguistic models of how people encode information status and use it for language production and comprehension.
Supplementary Data 1 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Nematode OTU sequences used in this study.
Realizing an entanglement-based multi-user quantum network with integrated photonics
Creators: name: Wen, Wenjun
name: Chen, Zhiyu
name: Lu, Liangliang
name: Yan, Wenhan
name: Xue, Wenyi
name: Zhang, Peiyu
name: Lu, Yanqing
name: Zhu, Shining
name: Ma, Xiao-song
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Quantum network facilitates the secure transmission of information between different users. Establishing communication links among multiple users in a scalable and efficient way is important for realizing a large-scale quantum network. Here we develop an energy-time entanglement-based dense wavelength division multiplexed network based on an integrated silicon nitride micro-ring resonator, which offers a wide frequency span (covering at least the entire C-band) and narrow bandwidth modes (~ 650MHz). Six pairs of photons are selected to form a fully and simultaneously connected four-user quantum network. The observed quantum interference visibilities are well above the classical limits among all users. Each pair of users perform the BBM92 protocol for quantum key distribution. Our results pave the way for realizing large-scale quantum networks with integrated photonic architecture.
Supplementary Figure 3 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes.
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Examples of cumulative placement of two different OTUs within the family Thoracostomopsidae that provide reliable identification of OTUs to the family-level taxonomic categories (branch length not representative). A: Part of the reference phylogeny with labelled clades (i463-i477) and bootstrap support. B: Placements of HE3.SSU124287 in clades i464 (probability 0.333433), i465 (probability 0.333132) and i466 (probability 0.333435) gives cumulative probability higher than the required threshold of 0.95. C: Placements of HF9.SSU17250 in clades i464 (probability 0.924697) and i466 (probability 0.037675) gives cumulative probability higher than the required threshold of 0.95.
The process $e^+e^- \to ππX(3823)$ in the soft pion limit
Creators: name: Voloshin, M. B.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The production of the resonance $X(3823)$, identified as the charmonium $^3D_2$ state, in the process $e^+e^- \to ππX(3823)$ has been recently reported by BESIII. It is pointed out that this process is fully described, up to one overall coupling constant, in the soft pion limit. An interpretation of the available and possible future data within the discussed theoretical framework may reveal new features of the charmoniumlike states. In particular, the observed relative yield for this process at different energies strongly suggests a very significant enhancement of the amplitude at the charmoniumlike peak near 4.36\,GeV.
description: 7 pages, 2 figures
Drought and Population Mobility in Rural Ethiopia
Creators: name: Gray, Clark
name: Mueller, Valerie
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: Significant attention has focused on the possibility that climate change will displace large populations in the developing world, but few multivariate studies have investigated climate-induced migration. We use event history methods and a unique longitudinal dataset from the rural Ethiopian highlands to investigate the effects of drought on population mobility over a ten-year period. The results indicate that men’s labor migration increases with drought and that land-poor households are most vulnerable. However, marriage-related moves by women also decrease with drought. These findings suggest a hybrid narrative of environmentally-induced migration that recognizes multiple dimensions of adaptation to environmental change.
An HJB Approach to a General Continuous-Time Mean-Variance Stochastic Control Problem
Creators: name: Aivaliotis, Georgios
name: Veretennikov, Alexander Yu.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Probability (math.PR)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics

description: A general continuous mean-variance problem is considered for a diffusion controlled process where the reward functional has an integral and a terminal-time component. The problem is transformed into a superposition of a static and a dynamic optimization problem. The value function of the latter can be considered as the solution to a degenerate HJB equation either in viscosity or in Sobolev sense (after a regularization) under suitable assumptions and with implications with regards to the optimality of strategies. There is a useful interplay between the two approaches -- viscosity and Sobolev.
Solving the time-independent Schrödinger equation for chains of coupled excitons and phonons using tensor trains
Creators: name: Gelß, Patrick
name: Klein, Rupert
name: Matera, Sebastian
name: Schmidt, Burkhard
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computational Physics (physics.comp-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate how to apply the tensor-train format to solve the time-independent Schrödinger equation for quasi one-dimensional excitonic chain systems with and without periodic boundary conditions. The coupled excitons and phonons are modeled by Frenkel-Holstein type Hamiltonians with on-site and nearest-neighbor interactions only. We reduce the memory consumption as well as the computational costs significantly by employing efficient decompositions to construct low rank tensor-train representations, thus mitigating the curse of dimensionality. In order to compute also higher quantum states, we introduce an approach which directly incorporates the Wielandt deflation technique into the alternating linear scheme for the solution of eigenproblems. Besides systems with coupled excitons and phonons, we also investigate uncoupled problems for which (semi-)analytical results exist. There, we find that in case of homogeneous systems the tensor-train ranks of state vectors only marginally depend on the chain length which results in a linear growth of the storage consumption. However, the CPU time increases slightly faster with the chain length than the storage consumption because the alternating linear scheme adopted in our work requires more iterations to achieve convergence for longer chains and a given rank. Finally, we demonstrate that the tensor-train approach to the quantum treatment of coupled excitons and phonons makes it possible to directly tackle the phenomenon of mutual self-trapping. We are able to confirm the main results of the Davydov theory, i.e., the dependence of the wavepacket width and the corresponding stabilization energy on the exciton-phonon coupling strength, though only for a certain range of that parameter. In future work, our approach will allow calculations also beyond the restrictions of the Frenkel-Holstein type Hamiltonians.
The contributions of Stanley to the fabric of symmetric and quasisymmetric functions
Creators: name: Billey, Sara C.
name: McNamara, Peter R. W.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05E05 (Primary), 05A05, 05C15, 05E10, 05E18, 06A07, 06A11, 14M15, 20C30 (Secondary)

description: We weave together a tale of two rings, SYM and QSYM, following one gold thread spun by Richard Stanley. The lesson we learn from this tale is that "Combinatorial objects like to be counted by quasisymmetric functions."
description: 22 pages, 3 figures. Written for the 70th-birthday volume honoring Richard Stanley. v2: minor edits
MPEC 2023-F198 : 2020 FL4
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Encounter-Limited Charge Carrier Recombination in Phase Separated Organic Semiconductor Blends
Creators: name: Heiber, Michael C.
name: Baumbach, Christoph
name: Dyakonov, Vladimir
name: Deibel, Carsten
Publisher: name: arXiv
Year: 2015
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The theoretical effects of phase separation on encounter-limited charge carrier recombination in organic semiconductor blends are investigated using kinetic Monte Carlo (KMC) simulations of pump-probe experiments. Using model bulk heterojunction morphologies, the dependence of the recombination rate on domain size and charge carrier mobility are quantified. Unifying competing models and simulation results, we show that the mobility dependence of the recombination rate can be described using the power mean of the electron and hole mobilities with a domain size dependent exponent. Additionally, for domain sizes typical of organic photovoltaic devices, we find that phase separation reduces the recombination rate by less than one order of magnitude compared to the Langevin model and that the mobility dependence can be approximated by the geometric mean.
description: Main article: 6 pages, 4 figures, Supplementary Information: 3 pages, 1 figure
[PDF/Kindle] La maison des feuilles by Mark Z. Danielewski, Zampano, Johnny Errand, Claro
Creators: name: Hoadley
Publisher: name: Zenodo
Year: 2024

description: La maison des feuilles pan Mark Z. Danielewski, Zampano, Johnny Errand, Claro

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Caractéristiques

La maison des feuilles

Mark Z. Danielewski, Zampano, Johnny Errand, Claro

Nb. de pages: 694

Format: Pdf, ePub, MOBI, FB2

ISBN: 9782381960647

Editeur: Monsieur Toussaint Louverture

Date de parution: 2022

 

 

 

Trouver un livre électronique La maison des feuilles par Mark Z. Danielewski, Zampano, Johnny Errand, Claro in French 9782381960647

 

Overview

En rentrant chez elle un soir, la famille Navidson découvre qu'une nouvelle pièce a surgi dans leur maison. L'explication la plus étrange devient rapidement la plus évidente : leur foyer est plus grand à l'intérieur qu'à l'extérieur. Lorsqu'une nouvelle porte apparaît dans le salon et donne sur un couloir obscur, Will Navidson, photoreporter de renom et aventurier intrépide, décide de mettre sur pied une équipe d'explorateurs afin d'étudier ce passage sans fin où l'obscurité semble vouloir déchirer les rêves et dévorer la raison. Entre récit fantastique, énigme littéraire et mise en abyme, ce roman captivant se confie comme un trésor de générations en générations. Aujourd'hui et pour la première fois, il est offert aux lecteurs français dans une édition entièrement remasterisée en couleurs.
Supplementary Figure 3 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Examples of cumulative placement of two different OTUs within the family Thoracostomopsidae that provide reliable identification of OTUs to the family-level taxonomic categories (branch length not representative). A: Part of the reference phylogeny with labelled clades (i463-i477) and bootstrap support. B: Placements of HE3.SSU124287 in clades i464 (probability 0.333433), i465 (probability 0.333132) and i466 (probability 0.333435) gives cumulative probability higher than the required threshold of 0.95. C: Placements of HF9.SSU17250 in clades i464 (probability 0.924697) and i466 (probability 0.037675) gives cumulative probability higher than the required threshold of 0.95.
Supplementary Figure 2 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes.
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Graphical comparison of the number of taxa identified using morphology-based identification (X axis) versus phylogeny-based taxonomy assignment approach (Y axis) for each nematode family in each sample (sampling site/extraction method) based on Supplementary Table 9 (excluding families without reference sequence data). Size of “bubbles” corresponds to the total number of families that show same result (for all sites and extraction methods).
On the Maximum Achievable Sum-rate of the RIS-aided MIMO Broadcast Channel
Creators: name: Perović, Nemanja Stefan
name: Tran, Le-Nam
name: Di Renzo, Marco
name: Flanagan, Mark F.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: Reconfigurable intelligent surfaces (RISs) represent a new technology that can shape the radio wave propagation and thus offers a great variety of possible performance and implementation gains. Motivated by this, we investigate the achievable sum-rate optimization in a broadcast channel (BC) in the presence of RISs. We solve this problem by exploiting the well-known duality between the Gaussian multiple-input multiple-output (MIMO) BC and the multiple-access channel (MAC), and we correspondingly derive three algorithms which optimize the users' covariance matrices and the RIS phase shifts in the dual MAC. The users' covariance matrices are optimized by a dual decomposition method with block coordinate maximization (BCM), or by a gradient-based method. The RIS phase shifts are either optimized sequentially by using a closed-form expression, or are computed in parallel by using a gradient-based method. We present a computational complexity analysis for the proposed algorithms. Simulation results show that the proposed algorithms tend to converge to the same achievable sum-rate overall, but may produce different sum-rate performance for some specific situations, due to the non-convexity of the considered problem. Also, the gradient-based optimization methods are generally more time efficient. In addition, we demonstrate that the proposed algorithms can provide a significant gain in the RIS-assisted BC assisted by multiple RISs and that the gain depends on the placement of the RISs.
description: arXiv admin note: text overlap with arXiv:2104.12108
The interpretation theory of life's meaning
Creators: name: Prinzing, Michael
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2019

description: This paper offers a theory of the many meanings of “meaning”. The basic idea is that meanings are the correct answers to interpretive questions. Interpreting something involves answering a question by situating that something into a framework of facts. Life can be meaningful, therefore, because it is an object of interpretation. The paper has itself does what this theory describes. It takes something puzzling (talk of life’s meaning) and answers a question (“What is this all about?”) by integrating it into a larger context (a general theory of meaning). The interpretation theory is thus an interpretation of discourse about life’s meaning.
A spin foam framework for the black-to-white hole transition
Creators: name: Soltani, Farshid
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Black holes formation and evolution have been extensively studied at the classical level. However, not much is known regarding the end of their lives, a phase that requires to consider the quantum nature of the gravitational field. A black-to-white hole transition can capture the physics of this phenomenon, in particular the physics of the residual small black holes at the end of the Hawking evaporation. This work shows how the spin foam formalism is able to describe this non-perturbative phenomenon. A thorough examination of the black hole spacetime region in which quantum effects cannot be neglected indicates that the scenario in which the black hole geometry undergoes a quantum transition in a white hole geometry is natural and conservative. This quantum transition is then studied using the spin foam formalism and the resulting transition amplitude is explicitly computed.
description: 17 pages, contribution to the Proceedings of the 16th Marcel Grossmann Meeting (MG16 - July 2021)
Guiding Visual Attention in Deep Convolutional Neural Networks Based on Human Eye Movements
Creators: name: van Dyck, Leonard E.
name: Denzler, Sebastian J.
name: Gruber, Walter R.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Deep Convolutional Neural Networks (DCNNs) were originally inspired by principles of biological vision, have evolved into best current computational models of object recognition, and consequently indicate strong architectural and functional parallelism with the ventral visual pathway throughout comparisons with neuroimaging and neural time series data. As recent advances in deep learning seem to decrease this similarity, computational neuroscience is challenged to reverse-engineer the biological plausibility to obtain useful models. While previous studies have shown that biologically inspired architectures are able to amplify the human-likeness of the models, in this study, we investigate a purely data-driven approach. We use human eye tracking data to directly modify training examples and thereby guide the models' visual attention during object recognition in natural images either towards or away from the focus of human fixations. We compare and validate different manipulation types (i.e., standard, human-like, and non-human-like attention) through GradCAM saliency maps against human participant eye tracking data. Our results demonstrate that the proposed guided focus manipulation works as intended in the negative direction and non-human-like models focus on significantly dissimilar image parts compared to humans. The observed effects were highly category-specific, enhanced by animacy and face presence, developed only after feedforward processing was completed, and indicated a strong influence on face detection. With this approach, however, no significantly increased human-likeness was found. Possible applications of overt visual attention in DCNNs and further implications for theories of face detection are discussed.
description: 28 pages, 6 figures, 3 supplementary figures
[Pdf/ePub/Mobi] PERSUASION / SANDITON - JANE AUSTEN descargar ebook gratis
Creators: name: Ferretti
Publisher: name: Zenodo
Year: 2024

description: PERSUASION / SANDITON de JANE AUSTEN

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Ficha técnica

PERSUASION / SANDITON

JANE AUSTEN

Número de páginas: 372

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788490653005

Editorial: ALBA EDITORIAL

Año de edición: 2017

 

 

 

 

 

Descargar libros de google docs PERSUASION / SANDITON

 

Overview

Persuasión, publicada póstumamente en 1818, presenta un cuadro de familia sumamente austeniano: un viudo pomposo que sólo lee el baronetario, una hija soltera llena de pretensiones, una hija casada hipocondríaca y caprichosa, una multitud ruidosa de parientes y vecinos que aparecen por todas partes… y, al fondo, en el último rincón, una heroína sensible, paciente y menospreciada. Pero Persuasión es la última novela de Jane Austen y su heroína no es ya una muchacha en trance de aprendizaje sino una mujer en su madurez. Una mujer que «había dejado atrás la edad de ruborizarse; pero no, desde luego, la de las emociones»; y que ahora, ocho años después de haber rechazado, persuadida por un mal consejo, al hombre que amaba, ve como éste reaparece en su vida, rico, honorable, pero aún despechado. Una mujer que, quizá por primera vez en la historia de la novela, debe luchar para que el amor le conceda una segunda oportunidad. Esta edición ofrece además, al lector curioso, el jugoso e inédito fragmento de la novela que Jane Austen dejó inacabada al morir, Sanditon.
LENIN HELENE CARRERE D ENCAUSSE ePub gratis
Creators: name: Duque
Publisher: name: Zenodo
Year: 2024

description: LENIN de HELENE CARRERE D ENCAUSSE

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Ficha técnica

LENIN

HELENE CARRERE D ENCAUSSE

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788467071771

Editorial: ESPASA LIBROS

Año de edición: 2024

 

 

 

 

 

Es e libro de descarga LENIN 9788467071771

 

Overview

La biografía más monumental jamás escrita sobre un político que marcó una época.La figura de Lenin ha sido una de las más importantes del mundo contemporáneo. Su destacado papel en la historia mundial se vio truncado por su temprana muerte a los cincuenta y cuatro años. De ellos, pasó veinte en el exilio, soñando con que en su país, Rusia, triunfara la revolución proletaria anunciada por el gran teórico del comunismo, Karl Marx. En octubre de 1917, tras el fracaso del primer intento bolchevique del mes de febrero, el movimiento revolucionario tomó el rostro de Lenin y este se hizo con el poder. En tan solo cuatro años edificó un Estado todopoderoso, reconstruyó el Imperio, creó el Partido mundial de la revolución y dio forma al sistema comunista. ¿Cómo explicarlo? A pesar del terrible balance del régimen que instituyó ?más de cien millones de muertos?, se impone una certeza: fue un genio político.
OWNERSHIP STRUCTURES AND R&D INVESTMENTS OF U.S. AND JAPANESE FIRMS: AGENCY AND STEWARDSHIP PERSPECTIVES.
Creators: name: Lee, Peggy M.
name: O'Neill, Hugh M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: This study analyzes the impact of ownership structure on R&D investments in the United States and Japan. It begins with the premise that U.S. and Japanese firms have distinct patterns of ownership that may result in disparities in R&D investments. Agency theory and stewardship theory are used to hypothesize about the relationship between ownership and R&D investments. Empirical evidence shows that the level of ownership concentration, and its impact, differ across countries. We argue that these differences result from a mixture of motives and incentives.
Evolution of the critical torus instability height and CME likelihood in solar active regions
Creators: name: James, Alexander W.
name: Williams, David R.
name: O'Kane, Jennifer
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Aims. Working towards improved space weather predictions, we aim to quantify how the critical height at which the torus instability drives coronal mass ejections (CMEs) varies over time in a sample of solar active regions. Methods. We model the coronal magnetic fields of 42 active regions and quantify the critical height at their central polarity inversion lines throughout their observed lifetimes. We then compare these heights to the changing magnetic flux at the photospheric boundary and identify CMEs in these regions. Results. In our sample, the rates of CMEs per unit time are twice as high during phases when magnetic flux is increasing than when it is decreasing, and during those phases of increasing flux, the rate of CMEs is 63% higher when the critical height is rising than when it is falling. Furthermore, we support and extend the results of previous studies by demonstrating that the critical height in active regions is generally proportional to the separation of their magnetic polarities through time. When the separation of magnetic polarities in an active region increases, for example during the continuous emergence and expansion of a magnetic bipole, the critical height also tends to increase. Conversely, when the polarity separation decreases, for example due to the emergence of a new, compact bipole at the central inversion line of an existing active region or into a quiet Sun environment, the critical height tends to decrease.
description: Accepted for publication in Astronomy & Astrophysics. 10 pages, 4 figures, 6 tables
(3148) Betty Eleanor Raigersfeld Hall
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.
THE IMPACT OF TEAM EMPOWERMENT ON VIRTUAL TEAM PERFORMANCE: THE MODERATING ROLE OF FACE-TO-FACE INTERACTION.
Creators: name: Gibson, Cristina B.
name: Tesluk, Paul E.
name: Kirkman, Bradley L.
name: Rosen, Benson
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2004

description: We investigated the relationship between team empowerment and virtual team performance and the moderating role of the extent of face-to-face interaction using 35 sales and service virtual teams in a high-technology organization. Team empowerment was positively related to two independent assessments of virtual team performance--process improvement and customer satisfaction. Further, the number of face-to-face meetings moderated the relationship between team empowerment and process improvement: team empowerment was a stronger predictor for teams that met face-to-face less, rather than more, frequently.
Supplementary Figure 2 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Graphical comparison of the number of taxa identified using morphology-based identification (X axis) versus phylogeny-based taxonomy assignment approach (Y axis) for each nematode family in each sample (sampling site/extraction method) based on Supplementary Table 9 (excluding families without reference sequence data). Size of “bubbles” corresponds to the total number of families that show same result (for all sites and extraction methods).
Advanced morphology of VIPERS galaxies
Creators: name: Gugnin, Olexandr
name: Tugay, Anatolii
name: Pulatova, Nadiia
name: Zadorozhna, Lidiia
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We calculated morphological parameters for 70821 galaxies from VIPERS (spectroscopic galaxy survey performed on VIMOS spectroscope at VLT). These parameters includes Gini, M20, Concentration, Asymmetry and Smoothness. Results correlate with the distribution of these parameters for other simulated and observed samples. We also studied dependence of these parameters with Sersic power index of radial distribution of surface brightness of galaxy image. Our aim was to find a clear separation of VIPERS galaxies on elliptical and spiral. This is necessary for testing the method of Sersic index (ns) calculation in statmorph program. To find such bimodality we use B-V color index from VIPERS database. To perform the error analysis of morphological parameters we simulated galaxy images with random background of different magnitude and estimated the errors as dispersion of the parameters. We also found asymptotic values of errors of morphological parameters by increasing the numbers of mock images. To analyse the possible variation of each morphological parameter during the convolution of close galactic images, we have simulated them to research. In the result of this investigation we have analysed the dependence of the every morphological parameter from CAS and Gini/M20 statistics from the distance between galactic centers. The differences between our results for VIPERS and Gini-M20 distribution for PanStarrs galaxies at z<0.5 could be explained it by cosmological evolution of galaxies. We found out that in modern Universe there are much more elliptical galaxies than at z>0.5 which corresponds to VIPERS sample. Also we concluded that galaxy mergers were more frequent in the early Universe.
description: 28 pages, 40 figures, submitted to Journal of Physical Studies
{pdf download} The Year of the Locust: A Thriller by Terry Hayes
Creators: name: Velasquez
Publisher: name: Zenodo
Year: 2024

description: The Year of the Locust: A Thriller by Terry Hayes

 

 

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The Year of the Locust: A Thriller

Terry Hayes

Page: 800

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ISBN: 9781668055786

Publisher: Atria/Emily Bestler Books

 

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Projection-Free Algorithm for Stochastic Bi-level Optimization
Creators: name: Akhtar, Zeeshan
name: Bedi, Amrit Singh
name: Thomdapu, Srujan Teja
name: Rajawat, Ketan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optimization and Control (math.OC)
subject: Computational Complexity (cs.CC)
subject: Machine Learning (cs.LG)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: This work presents the first projection-free algorithm to solve stochastic bi-level optimization problems, where the objective function depends on the solution of another stochastic optimization problem. The proposed $\textbf{S}$tochastic $\textbf{Bi}$-level $\textbf{F}$rank-$\textbf{W}$olfe ($\textbf{SBFW}$) algorithm can be applied to streaming settings and does not make use of large batches or checkpoints. The sample complexity of SBFW is shown to be $\mathcal{O}(ε^{-3})$ for convex objectives and $\mathcal{O}(ε^{-4})$ for non-convex objectives. Improved rates are derived for the stochastic compositional problem, which is a special case of the bi-level problem, and entails minimizing the composition of two expected-value functions. The proposed $\textbf{S}$tochastic $\textbf{C}$ompositional $\textbf{F}$rank-$\textbf{W}$olfe ($\textbf{SCFW}$) is shown to achieve a sample complexity of $\mathcal{O}(ε^{-2})$ for convex objectives and $\mathcal{O}(ε^{-3})$ for non-convex objectives, at par with the state-of-the-art sample complexities for projection-free algorithms solving single-level problems. We demonstrate the advantage of the proposed methods by solving the problem of matrix completion with denoising and the problem of policy value evaluation in reinforcement learning.
description: 34 Pages
Dynamically Integrating Knowledge in Teams: Transforming Resources into Performance
Creators: name: Gino, Francesca
name: Gardner, Heidi K.
name: Staats, Bradley R.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2012

description: In knowledge-based environments, teams must develop a systematic approach to integrating knowledge resources throughout the course of projects in order to perform effectively. Yet, many teams fail to do so. Drawing on the resource-based view of the firm, we examine how teams can develop a knowledge-integration capability to dynamically integrate members‘ resources into higher performance. We distinguish among three sets of resources: relational, experiential, and structural, and propose that they differentially influence a team‘s knowledge-integration capability. We test our theoretical framework using data on knowledge workers in professional services, and discuss implications for research and practice.
Examining the Differential Longitudinal Performance of Directive versus Empowering Leadership in Teams
Creators: name: Sims Jr., Henry P.
name: Pearsall, Matthew J.
name: Lorinkova, Natalia M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2013

description: This study integrates theories from the leadership and team development literatures to resolve ambiguity regarding the relative benefits of empowering and directive leadership in teams by focusing on their influence on team development processes over time. Empirical results based on longitudinal performance data from 60 teams suggest that teams led by a directive leader initially outperform those led by an empowering leader. However, despite lower early performance, teams led by an empowering leader experience higher performance improvement over time because of higher levels of team learning, coordination, empowerment, and mental model development. Implications for current and future team leadership research are discussed.
Descargar PDF LA VIDA ES UN MERCADILLO
Creators: name: Collins
Publisher: name: Zenodo
Year: 2024

description: LA VIDA ES UN MERCADILLO de LA PELO

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LA VIDA ES UN MERCADILLO

LA PELO

Idioma: CASTELLANO

Formatos: Pdf, ePub, MOBI, FB2

ISBN: 9788427050228

Editorial: EDICIONES MARTÍNEZ ROCA

 

 

 

 

 

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Overview

¿Siempre te toca ver cómo los demás consiguen gangas mientras tú tienes que gastarte los parneres? ¿Vas a mercadillos y nunca encuentras nada? ¿No sabes regatear en los rastros? O peor aún, ¡OMAGÁ!, ¿no sabes qué es un rastro? Pues sansacabó. La Pelo está aquí para resolver todas tus dudas y ayudarte en la fantástica aventura de ser una auténtica cazatesoros.  En este libro te enseñaré todos mis trucazos para conseguir los mejores precios del mercado. Conviértete en la más ahorradora de tor condao gracias a esta biblia del ahorro.
CRYSTMET: a database of the structures and powder patterns of metals and intermetallics
Creators: name: White, Peter S.
name: Rodgers, John R.
name: Le Page, Yvon
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2002

description: CRYSTMET is a database of critically evaluated crystallographic data for metals (including alloys, intermetallics and minerals) and associated bibliographic, chemical and physical information. Also included are simulated powder diffraction patterns for all of the entries. The database currently contains almost 70000 entries and covers the literature exhaustively from 1922 to the present. The database is available on CD-ROM with search/analysis software for use on personal computers. This software can be used with any database in the appropriate format; currently CRYSTMET and the ICSD databases are available. This paper describes the database content, the procedures used in its construction, the software made available to the user and a number of potential uses for the data.
Supplementary Figure 1 from Taxonomy assignment approach determines the efficiency of identification of OTUs in marine nematodes.
Creators: name: Holovachov, Oleksandr
name: Haenel, Quiterie
name: Bourlat, Sarah J.
name: Jondelius, Ulf
Publisher: name: The Royal Society
Year: 2017
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 60301 Animal Systematics and Taxonomy
subject: 60310 Plant Systematics and Taxonomy

description: Barcoding region used in this study – generalized secondary structure model of the 90% consensus sequence (excluding rare insertions) based on combined data from secondary-structure-based alignment of reference sequences and mothur-based alignment of OTU sequences (444 sequences in total). Helices (6-10, 10/e1, 11-14) are according to [63]. Variable regions V1 and V2 are labelled according to [64].
Quantum Chemistry for Solvated Molecules on Graphical Processing Units (GPUs)using Polarizable Continuum Models
Creators: name: Liu, Fang
name: Luehr, Nathan
name: Kulik, Heather J.
name: Martínez, Todd J.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: The conductor-like polarization model (C-PCM) with switching/Gaussian smooth discretization is a widely used implicit solvation model in chemical simulations. However, its application in quantum mechanical calculations of large-scale biomolecular systems can be limited by computational expense of both the gas phase electronic structure and the solvation interaction. We have previously used graphical processing units (GPUs) to accelerate the first of these steps. Here, we extend the use of GPUs to accelerate electronic structure calculations including C-PCM solvation. Implementation on the GPU leads to significant acceleration of the generation of the required integrals for C-PCM. We further propose two strategies to improve the solution of the required linear equations: a dynamic convergence threshold and a randomized block-Jacobi preconditioner. These strategies are not specific to GPUs and are expected to be beneficial for both CPU and GPU implementations. We benchmark the performance of the new implementation using over 20 small proteins in solvent environment. Using a single GPU, our method evaluates the C-PCM related integrals and their derivatives more than 10X faster than a conventional CPU based implementation. Our improvements to the linear solver provide a further 3X acceleration. The overall calculations including C-PCM solvation require typically 20-40% more effort than their gas phase counterparts for moderate basis set and molecule surface discretization level. The relative cost of the C-PCM solvation correction decreases as the basis sets and/or cavity radii increase. Therefore description of solvation with this model should be routine. We also discuss applications to the study of the conformational landscape of an amyloid fibril.
description: 36 pages, 12 figures