cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Degenerate four-wave mixing in triply-resonant Kerr cavities
Creators: name: Ramirez, David
name: Rodriguez, Alejandro W.
name: Hashemi, Hila
name: Joannopoulos, J. D.
name: Soljačić, Marin
name: Johnson, Steven G.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We demonstrate theoretical conditions for highly-efficient degenerate four-wave mixing in triply-resonant nonlinear (Kerr) cavities. We employ a general and accurate temporal coupled-mode analysis in which the interaction of light in arbitrary microcavities is expressed in terms a set of coupling coefficients that we rigorously derive from the full Maxwell equations. Using the coupled-mode theory, we show that light consisting of an input signal of frequency $ω_0-Δω$ can, in the presence of pump light at $ω_0$, be converted with quantum-limited efficiency into an output shifted signal of frequency $ω_0 + Δω$, and we derive expressions for the critical input powers at which this occurs. We find that critical powers in the order of 10mW assuming very conservative cavity parameters (modal volumes $\sim10$ cubic wavelengths and quality factors $\sim1000$. The standard Manley-Rowe efficiency limits are obtained from the solution of the classical coupled-mode equations, although we also derive them from simple photon-counting "quantum" arguments. Finally, using a linear stability analysis, we demonstrate that maximal conversion efficiency can be retained even in the presence of self- and cross-phase modulation effects that generally act to disrupt the resonance condition.
description: 13 pages, 8 figures. To appear in Physical Review A
Great Britain Ministry of Information - Daily Press Notices and Bulletins (1940-09-08)
Creators: name: Great Britain. Ministry Of Information.
Publisher: name: The University of Texas at Austin
Year: 1940
Subjects: World War, 1939-1945 – Social aspects
World War, 1939-1945 -- History
World War II
Second World War
World War Two
Great Britain

description: From the UK National Archives: http://www.nationalarchives.gov.uk/theartofwar/inf3.htm “Formed on September 4th 1939, the day after Britain’s declaration of war, the Ministry of Information (MOI) was the central government department responsible for publicity and propaganda in the Second World War. The initial functions of the MOI were threefold: news and press censorship; home publicity; and oversees publicity in Allied and neutral countries”. This collection contains Press Notices and Bulletins published by the MOI between 1939-1945. The Press Notices and Bulletins are among many publications and films issued by the agency during the war.
Pure pairs. IX. Transversal trees
Creators: name: Scott, Alex
name: Seymour, Paul
name: Spirkl, Sophie
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: Fix k>0, and let G be a graph, with vertex set partitioned into k subsets (`blocks') of approximately equal size. An induced subgraph of G is transversal (with respect to this partition) if it has exactly one vertex in each block (and therefore it has exactly k vertices). A pure pair in G is a pair X,Y of disjoint subsets of V(G) such that either all edges between X,Y are present or none are; and in the present context we are interested in pure pairs (X,Y) where each of X,Y is a subset of one of the blocks, and not the same block. This paper collects several results and open questions concerning how large a pure pair must be present if various types of transversal subgraphs are excluded.
description: Accepted manuscript; see DOI for journal version
Critical behavior of a supersymmetric extension of the Ginzburg-Landau model
Creators: name: Panotopoulos, Grigoris
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We make a connection between quantum phase transitions in condensed matter systems, and supersymmetric gauge theories that are of interest in the particle physics literature. In particular, we point out interesting effects of the supersymmetric quantum electrodynamics upon the critical behavior of the Ginzburg-Landau model. It is shown that supersymmetry fixes the critical exponents, as well as the Landau-Ginzburg parameter, and that the model resides in the type II regime of superconductivity.
description: 5 pages, 3 figures, to appear in JMP
Проблема другого сознания: угроза скептицизма и возможные пути ее преодоления (на примере концепций Саймона Глендиннинга и Фредерика Олафсона)
Creators: name: Салават Раисович Муртазин
Publisher: name: Антиномии
Year: 2020
Subjects: другой
сознание
бытие с другим
скептицизм
эпистемология
аналогия
рефрейминг скептицизма
критерии
деконструкция
этика

description: Данная статья посвящена одной из актуальных проблем современной философии, а именно проблеме другого сознания. Она характерна как для аналитической, так и для континентальной традиции в философии. По мнению автора, проблема другого сознания имеет не только эпистемологический и онтологический, но также и этический аспект, причем все три указанных аспекта тесно взаимосвязаны. Для подтверждения этого предположения в статье предпринят, во-первых, анализ проблемы другого сознания, в частности рассматриваются подходы Алека Хайслопа и Саймона Глендиннинга к ее формулировке. В основе этой проблемы лежит асимметрия между восприятием личностью собственных ментальных состояний и восприятием ей ментальных состояний других. Во-вторых, кратко излагается сущность одного из самых известных подходов к решению данной проблемы, а именно аргумента по аналогии (согласно этой теории, наши суждения о чувствах и переживаниях других строятся нами на основании аналогии со своими собственными и их проявлениями в нашем поведении), а также определяются позиции, по которым возможна критика этого подхода. В-третьих, в статье затрагивается тема угрозы скептицизма, которая представляет собой крайне серьезное затруднение на пути к решению проблемы другого сознания. Она заключается в том, что у нас нет надежных средств для удовлетворительного обоснования наших суждений о существовании чего-либо, что стояло бы за внешними актами поведения и иными проявлениями человека, например свидетельствующими о боли. Автор рассматривает два подхода, которые, по сути, не опровергают аргументы скептицизма, но предотвращают само возникновение его угрозы. Это концепции «рефрейминг скептицизма» и «чтение – ответ» Саймона Глендиннинга, а также идея о необходимости признания реальности другого для возможности познания окружающей нас действительности, выдвигаемая Фредериком Олафсоном. Данные подходы к преодолению угрозы скептицизма предполагают отказ от традиционной, чисто эпистемологической, установки в решении проблемы другого сознания, для которой характерен акцент на проблематичности соотношения нашего знания о ментальных состояниях другого с реальностью их существования. Борьба с угрозой скептицизма, а также противоречия, которые порождает подобный скептицизм, по сути, приводят нас к необходимости исследования этического аспекта проблемы бытия с другим, который, впрочем, не может рассматриваться в отрыве от эпистемологического и онтологического аспектов.
Velocity and Disturbance Robust Non-linear Estimator for Autonomous Surface Vehicles with Reduced Sensing Capabilities
Creators: name: Bejarano, Guillermo
name: N-Yo, Sufiyan
name: Orihuela, Luis
Publisher: name: arXiv
Year: 2021
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: This paper presents a robust non-linear state estimator for autonomous surface vehicles, where the movement is restricted to the horizontal plane. It is assumed that only the vehicle position and orientation can be measured, being the former affected by bounded noises. Then, under some fair standard assumptions concerning the maximum velocities and acceleration rates of the vehicle, the estimator is able to reconstruct not only the velocities, but also the lumped generalised disturbances, that cluster external disturbances, non-linearities, and unmodelled dynamics. The observer is easily tunable by the user, with a set of four scalars, two of them related to the velocity of convergence of the estimator, and the other two parameters to set the desired trade-off between noise sensitivity and disturbance rejection. Several simulations with a well-known test-bed craft are provided to show how the proposed algorithm outperforms previous ones in the literature.
description: A brief version of this paper is to be submitted to IEEE Transactions on Control Systems Technology
Vortex Dynamics and Hall Conductivity of Hard Core Bosons
Creators: name: Lindner, Netanel H.
name: Auerbach, Assa
name: Arovas, Daniel P.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Magneto-transport of hard core bosons (HCB) is studied using an XXZ quantum spin model representation, appropriately gauged on the torus to allow for an external magnetic field. We find strong lattice effects near half filling. An effective quantum mechanical description of the vortex degrees of freedom is derived. Using semiclassical and numerical analysis we compute the vortex hopping energy, which at half filling is close to magnitude of the boson hopping energy. The critical quantum melting density of the vortex lattice is estimated at 6.5x10-5 vortices per unit cell. The Hall conductance is computed from the Chern numbers of the low energy eigenstates. At zero temperature, it reverses sign abruptly at half filling. At precisely half filling, all eigenstates are doubly degenerate for any odd number of flux quanta. We prove the exact degeneracies on the torus by constructing an SU(2) algebra of point-group symmetries, associated with the center of vorticity. This result is interpreted as if each vortex carries an internal spin-half degree of freedom ('vspin'), which can manifest itself as a charge density modulation in its core. Our findings suggest interesting experimental implications for vortex motion of cold atoms in optical lattices, and magnet-transport of short coherence length superconductors.
description: 15 pages, 15 figures
Моральная универсальность в этике классического утилитаризма (Иеремия Бентам, Джон Стюард Милль)
Creators: name: Роман Сергеевич Платонов
Publisher: name: Антиномии
Year: 2020
Subjects: этика
мораль
утилитаризм
универсальность
абсолютность
общераспространенность
универсализуемость
генерализация
И. Бентам
Дж.С. Милль

description: Цель статьи – определить смыслы моральной универсальности в этике классического утилитаризма, установить их различия и связи, показать значение универсальности в утилитаристском методе морального расчета. Так как сама проблема моральной универсальности не ставилась в рамках утилитаризма, то есть не имеет ясной экспликации в каких-либо теоретических положениях, данное исследование проводится посредством контекстуального анализа слов, выражающих общность, таких как universal, general, absolute, common и т.п., употребляемых при описании моральных ценностей и правил в ключевых работах И. Бентама и Дж.С. Милля («Введение в основания нравственности и законодательства», «Утилитаризм», «О свободе»). В качестве отправной точки исследования берется общая классификация смысловых различий моральной универсальности, проведенная Р.Г. Апресяном: универсальность как абсолютность, как общераспространенность и как генерализация моральных ценностей и правил. Показывается, что оба философа так или иначе задействовали в своих рассуждениях все три смысла, но концептуально значимыми все три являются только в этике Дж.С. Милля. Абсолютность характеризует первичный принцип (принцип общей полезности) и определяет этику как знание, направленное на поиск моральной истины. Общераспространенность отражает изменчивость моральных ценностей и правил, их ограниченность локальным культурным опытом. Генерализация составляет сам метод морального расчета, посредством которого всякий поступок должен быть соотнесен с принципом общей полезности. При этом Дж.С. Милль, в отличие от И. Бентама, не отрицает значимость общераспространенности, дополняя ее «универсальным опытом», то есть опытом человечества как вида. Тем самым моральные ценности и правила раскрываются им не только в аспекте локальности и изменчивости, но и в аспекте фундаментальных навыков взаимодействия людей друг с другом, навыков построения всякой общности. Это же позволяет ему дополнить метод морального расчета генерализацией конкретных правил, не наделяя их статусом абсолютности, но признавая как важную эвристическую составляющую морального развития. Связь трех смыслов универсальности обнаруживается в выражении доминирования абсолютности – как моральной истины, общераспространенности – как признания и генерализации – как включения частного в общее, что в совокупности выражает претензии моральной оценки на приоритет перед любыми иными типами оценок и правил. На основании чего делается вывод, что проблематика универсальности является фундаментальной в разработке метода морального расчета, а также что в этике классического утилитаризма она раскрывается максимально полно.
Towards improving efficiency of machine learning techniques in neutrino telescopes
Creators: name: Yu, Felix Jay
Publisher: name: Zenodo
Year: 2025

description: Neutrino telescopes detect rare interactions of particles produced from some of the most extreme environments in the Universe. Given the rate of backgrounds, these telescopes amass an enormous quantity of large variance, high-dimensional data. These attributes create substantial challenges for analyzing and reconstructing neutrinos, particularly when utilizing machine learning (ML) techniques. In this talk, I will present methods to efficiently manage and process these events using ML techniques, while preserving as much information as possible. These methods include employing autoencoder networks to generate compact representations of high-dimensional data associated to neutrino events and utilizing sparse networks to substantially reduce memory usage and runtime. The ultimate aim of these efforts is to enable high-quality ML-based reconstructions during the earlier stages of data processing.
Critical examination of RHIC paradigms-mostly high pT
Creators: name: Tannenbaum, Michael J.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: A critical examination of RHIC paradigms is presented. Topics include: search for a critical point with a low energy scan; the lack of understanding of radiative processes in a medium in QCD compared in detail to examples from QED; the reason why some physicists started to measure particles at large pT in the 1960's; a review of the discovery of hard-scattering in p-p collisions in the 1970's via single-inclusive and two-particle correlations and application of these techniques at RHIC. Several paradigms in both soft and hard physics which are popular at RHIC are discussed and challenged.
description: 37 pages, 32 figures, Workshop on Critical Examination of RHIC Paradigms, Austin, TX, April 14-17,2010. Minor corrections in Editorial Process
Observations and modeling of H_2 fluorescence with partial frequency redistribution in giant planet atmospheres
Creators: name: Lupu, Roxana E.
name: Feldman, Paul D.
name: McCandliss, Stephan R.
name: Strobel, Darrell F.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Partial frequency redistribution (PRD), describing the formation of the line profile, has negligible observational effects for optical depths smaller than ~10^3, at the resolving power of most current instruments. However, when the spectral resolution is sufficiently high, PRD modeling becomes essential in interpreting the line shapes and determining the total line fluxes. We demonstrate the effects of PRD on the H_2 line profiles observed at high spectral resolution by the Far-Ultraviolet Spectroscopic Explorer (FUSE) in the atmospheres of Jupiter and Saturn. In these spectra, the asymmetric shapes of the lines in the Lyman (v"- 6) progression pumped by the solar Ly-beta are explained by coherent scattering of the photons in the line wings. We introduce a simple computational approximation to mitigate the numerical difficulties of radiative transfer with PRD, and show that it reproduces the exact radiative transfer solution to better than 10%. The lines predicted by our radiative transfer model with PRD, including the H_2 density and temperature distribution as a function of height in the atmosphere, are in agreement with the line profiles observed by FUSE. We discuss the observational consequences of PRD, and show that this computational method also allows us to include PRD in modeling the continuum pumped H_2 fluorescence, treating about 4000 lines simultaneously.
description: 17 pages, accepted for publication in ApJ
Electrodeposited DNA monolayers on gold : creation, evaluation and optimization
Creators: name: Leung, Kaylyn Kyra
Publisher: name: University of British Columbia
Year: 2020

description: Deoxyribonucleic acid (DNA) self-assembled monolayers (SAMs) consist of bioelectronic interfaces that have been proposed for use as DNA biosensors. These are portable medical device used for diagnosing diseases through specific detection of biomolecules. These DNA SAMs are composed of chemically modified DNA molecules adsorbed onto gold surfaces and are made by immersing a gold surface in a solution of thiol-modified DNA. Previous literature has shown that an applied potential to the gold surface during the DNA immersion enhances DNA SAM formation by decreasing self-assembly time and forming DNA SAMs of higher quality. These electrodeposited DNA SAMs were observed using average measurement techniques on the entire surface. These averaged techniques are unable to characterize heterogeneous features in DNA SAMs. Instead, an imaging technique such as in-situ electrochemical fluorescence microscopy (iSEFMI) can be used to investigate these electrodeposited DNA SAMs. In this work, DNA SAMs were electrodeposited onto single crystal bead electrodes. These electrodes were key for examining DNA SAMs on different surface crystallographies (ie. surface atomic arrangements). Using iSEFMI, the electrodeposited DNA SAMs on the single crystal bead electrodes were characterized, with DNA coverage measurements on each surface crystallography possible. It was established that applying either negative or positive potentials resulted in DNA SAMs of high coverage with positive potentials resulting in more uniform DNA coverages across all surface crystallographies. Applying a modulating potential further created DNA SAMs of slightly higher DNA coverages. The effect of an applied potential on DNA SAMs adsorbing onto different surface crystallographies was also investigated. Both a constant potential and a modulating square wave potential will be applied and the resulting DNA SAMs studied. The presence of specifically adsorbing anions in solution was found to affect both the gold surface and the potential-assisted DNA deposition resulting in a DNA SAM of unusual character. Understanding the factors that affect potential-assisted DNA deposition will enable the formation of an optimal procedure for manufacturing DNA SAMs. With the appropriate variables controlled, DNA SAMs can be tailored for their application in DNA biosensors and eventual use in point-of-care devices.
Strong Gravitational Lensing by Sgr A*
Creators: name: Bin-Nun, Amitai Y.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In recent years, there has been increasing recognition of the potential of the galactic center as a probe of general relativity in the strong field. There is almost certainly a black hole at Sgr A* in the galactic center, and this would allow us the opportunity to probe dynamics near the exterior of the black hole. In the last decade, there has been research into extreme gravitational lensing in the galactic center. Unlike in most applications of gravitational lensing, where the bending angle is of the order of several arc seconds, very large bending angles are possible for light that closely approaches a black hole. Photons may even loop multiple times around a black hole before reaching the observer. There have been many proposals to use light's close approach to the black hole as a probe of the black hole metric. Of particular interest is the property of light lensed by the S stars orbiting in the galactic center. This paper will review some of the attempts made to study extreme lensing as well as extend the analysis of lensing by S stars. In particular, we are interested in the effect of a Reissner-Nordstrom like 1/r^2 term in the metric and how this would affect the properties of relativistic images.
description: 13 pages, 9 figures. Submitted as invited review article for the GR19 issue of CQG
title: ÐÑÐ°Ð±ÑÐºÐ¾Ðµ Ð²Ð»Ð¸ÑÐ½Ð¸Ðµ Ð½Ð° ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ÑÐ¿Ð°Ð½ÑÐºÐ¾Ð¹ ÐºÑÐ»ÑÑÑÑÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Arab influence on the shaping of Spanish culture
Creators: name: ÐÐ°Ð²ÐµÑÐ¸Ð½Ð°, ÐÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: Ð°ÑÐ°Ð±ÑÐºÐ°Ñ ÐºÑÐ»ÑÑÑÑÐ°
ÐºÑÐ»ÑÑÑÑÐ° ÐÑÐ¿Ð°Ð½Ð¸Ð¸
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ÐÐ»Ñ-ÐÐ½Ð´Ð°Ð»ÑÑ
Ð¼Ð°Ð²ÑÐ¸ÑÐ°Ð½ÑÐºÐ¸Ð¹ Ð¿ÐµÑÐ¸Ð¾Ð´
arab culture
culture of Spain
muslim Spain
the arab-muslim domination
the moors
the Caliphate of Cordoba
the arabic loan-words
Al-Andalus
the moorish period

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð°ÑÐ°Ð±ÑÐºÐ¾Ð¹ ÐºÑÐ»ÑÑÑÑÐµ Ð² ÐÑÐ¿Ð°Ð½Ð¸Ð¸ Ð¸ ÑÐ¾ ÐºÐ°Ðº Ð¿ÐµÑÐ¸Ð¾Ð´ Ð°ÑÐ°Ð±ÑÐºÐ¾Ð³Ð¾ Ð³Ð¾ÑÐ¿Ð¾Ð´ÑÑÐ²Ð° Ð½Ð° ÐÐ¸ÑÐµÐ½ÐµÐ¹ÑÐºÐ¾Ð¼ Ð¿Ð¾Ð»ÑÐ¾ÑÑÑÐ¾Ð²Ðµ Ð¿Ð¾Ð²Ð»Ð¸ÑÐ» Ð½Ð° ÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ÑÐ¿Ð°Ð½ÑÐºÐ¾Ð¹ ÐºÑÐ»ÑÑÑÑÑ, ÑÑÐ°Ð½ÑÑÐ¾ÑÐ¼Ð¸ÑÐ¾Ð²Ð°Ð² ÑÐ°ÐºÐ¸Ðµ ÐµÐµ ÑÐ¾ÑÑÐ°Ð²Ð»ÑÑÑÐ¸Ðµ, ÐºÐ°Ðº, ÑÐ·ÑÐº, Ð°ÑÑÐ¸ÑÐµÐºÑÑÑÐ° Ð¸ ÑÑÐ°Ð´Ð¸ÑÐ¸Ð¸. Ð¢Ð°ÐºÐ¶Ðµ, Ð±ÑÐ»Ð¾ Ð¾Ð¿ÑÐµÐ´ÐµÐ»Ð¸Ð»Ð¾ Ð·Ð½Ð°ÑÐµÐ½Ð¸Ðµ Ð°ÑÐ°Ð±ÑÐºÐ¾Ð¹ ÐºÑÐ»ÑÑÑÑÑ Ð´Ð»Ñ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ð¹ ÐÑÐ¿Ð°Ð½Ð¸Ð¸.
description: This work is devoted to Arab culture in Spain and how the period of Arab domination in the Iberian Peninsula influenced the shaping of Spanish culture, transforming its components such as language, architecture and traditions. Also, the importance of Arab culture for modern Spain was determined.
title: Ð¡ÑÐ°Ð²Ð½Ð¸ÑÐµÐ»ÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¼Ð¾Ð´ÐµÐ»ÐµÐ¹ Ð²ÑÐ¿Ð»ÑÑÐ¸Ñ ÑÐ²ÐµÑÐ´Ð¾Ð³Ð¾ ÑÐµÐ»Ð° Ð±ÐµÐ· ÑÐ¸Ð»Ð¾Ð²Ð¾Ð¹ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð² Ð½ÐµÑÐ¶Ð¸Ð¼Ð°ÐµÐ¼Ð¾Ð¹ ÑÑÑÐ°ÑÐ¸ÑÐ¸ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ Ð²ÑÐ·ÐºÐ¾Ð¹ Ð¶Ð¸Ð´ÐºÐ¾ÑÑÐ¸
title: Comparative analysis of mathematical models of a solid body without its own propulsion system surfacing in incompressible stratified viscous fluid
Creators: name: ÐÑÐ·Ð½ÐµÑÐ¾Ð²Ð°, ÐÐ¸Ð´Ð¸Ñ
name: "Ð¡Ð¸ÑÑÐµÐ¼Ð½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð² Ð¿ÑÐ¾ÐµÐºÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ð¸ Ð¸ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ð¸", Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½Ð°Ñ Ð½Ð°ÑÑÐ½Ð¾-Ð¿ÑÐ°ÐºÑÐ¸ÑÐµÑÐºÐ°Ñ ÐºÐ¾Ð½ÑÐµÑÐµÐ½ÑÐ¸Ñ (27; 2023; Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³)
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2024
Subjects: ÐÐ°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¾Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð¸Ðµ
Ð¢Ð²ÐµÑÐ´ÑÐµ ÑÐµÐ»Ð°
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buoyancy force
ensuring access to the given point
wings of finite span
wings lift

description: Ð ÑÐ°Ð±Ð¾ÑÐµ Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÑÑÑÑÑ ÑÑÐ¸ ÑÐ°Ð·Ð»Ð¸ÑÐ½ÑÐµ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¼Ð¾Ð´ÐµÐ»Ð¸ Ð²ÑÐ¿Ð»ÑÑÐ¸Ñ ÑÐ²ÐµÑÐ´Ð¾Ð³Ð¾ ÑÐµÐ»Ð° Ð±ÐµÐ· ÑÐ¸Ð»Ð¾Ð²Ð¾Ð¹ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð² Ð½ÐµÑÐ¶Ð¸Ð¼Ð°ÐµÐ¼Ð¾Ð¹ ÑÑÑÐ°ÑÐ¸ÑÐ¸ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð½Ð¾Ð¹ Ð²ÑÐ·ÐºÐ¾Ð¹ Ð¶Ð¸Ð´ÐºÐ¾ÑÑÐ¸. ÐÑÐµÐ´Ð¿Ð¾Ð»Ð°Ð³Ð°ÐµÑÑÑ, ÑÑÐ¾ ÑÐµÐ»Ð¾ Ð½Ðµ Ð¸Ð¼ÐµÐµÑ ÑÐ¾Ð±ÑÑÐ²ÐµÐ½Ð½ÑÑ Ð´Ð²Ð¸Ð¶Ð¸ÑÐµÐ»ÐµÐ¹, Ð½Ð¾ Ð¾ÑÐ½Ð°ÑÐµÐ½Ð¾ ÑÐ¿ÑÐ°Ð²Ð»ÑÐµÐ¼ÑÐ¼Ð¸ ÑÑÐ»ÑÐ¼Ð¸ â ÐºÑÑÐ»ÑÑÐ¼Ð¸ ÐºÐ¾Ð½ÐµÑÐ½Ð¾Ð³Ð¾ ÑÐ°Ð·Ð¼Ð°ÑÐ°. ÐÐ½Ð¾ Ð²ÑÐ¿Ð»ÑÐ²Ð°ÐµÑ Ð¿Ð¾Ð´ Ð´ÐµÐ¹ÑÑÐ²Ð¸ÐµÐ¼ ÑÐ¸Ð»Ñ ÐÑÑÐ¸Ð¼ÐµÐ´Ð° Ð¸ Ð¿Ð¾Ð´ÑÐµÐ¼Ð½Ð¾Ð¹ ÑÐ¸Ð»Ñ ÐºÑÑÐ»ÑÐµÐ². ÐÐ²Ð¸Ð¶ÐµÐ½Ð¸Ðµ ÑÐµÐ»Ð° Ð¿Ð¾Ð»Ð°Ð³Ð°ÐµÑÑÑ Ð¿Ð»Ð¾ÑÐºÐ¾-Ð¿Ð°ÑÐ°Ð»Ð»ÐµÐ»ÑÐ½ÑÐ¼. Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÑ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐ¸ÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÑÐºÑÐ¿ÐµÑÐ¸Ð¼ÐµÐ½ÑÐ° Ð´Ð»Ñ ÑÑÐ°Ð²Ð½ÐµÐ½Ð¸Ñ Ð¼Ð°ÑÐµÐ¼Ð°ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¼Ð¾Ð´ÐµÐ»ÐµÐ¹ Ð¿ÑÐ¸ ÑÐµÑÐµÐ½Ð¸Ð¸ Ð¿ÑÐ¸ÐºÐ»Ð°Ð´Ð½Ð¾Ð¹ Ð·Ð°Ð´Ð°ÑÐ¸.
description: In this paper three different mathematical models surfacing of a solid body without its own propulsion system in incompressible stratified viscous fluid are analyzed. It is assumed that the body does not have its own propulsion system, but is equipped with controlled rudders â wings of finite span. It is moved by the influence of the buoyancy force and wings lift effect. This body motion is considered to be plane-parallel motion. The paper presents the results of a numerical experiment comparing mathematical models in solving an applied problem.
Security issues of CFS-like digital signature algorithms
Creators: name: D'Alconzo, Giuseppe
name: Meneghetti, Alessio
name: Piasenti, Paolo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cryptography and Security (cs.CR)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences

description: We analyse the security of some variants of the CFS code-based digital signature scheme. We show how the adoption of some code-based hash-functions to improve the efficiency of CFS leads to the ability of an attacker to produce a forgery compatible to the rightful user's public key.
Образ «врага» в политическом дискурсе зарождающегося испанского консерватизма
Creators: name: Юрий Владимирович Василенко
Publisher: name: Антиномии
Year: 2020
Subjects: образ «врага»
консервативный дискурс
традиционализм
либеральный консерватизм
карлизм
Испания XVIII–XIX вв.

description: Статья посвящена трансформации образа «врага» в зарождающемся в Испании в последней трети XVIII – первой половине XIX в. консервативном политическом дискурсе. Сопоставляя образы «врага» в политических дискурсах традиционалистов и либеральных консерваторов, автор показывает, что первый выстраивается на религиозно-философских основаниях, на которые с большим трудом в начале XIX в. наслаиваются политические; второй имеет своей опорой сугубо политические интенции. Для испанских традиционалистов «враги» – это прежде всего сторонники так называемой ложной философии (некатолики и неиспанцы), являющиеся последователями британо-французского Просвещения. Либеральные консерваторы, в принципе отказавшиеся от любых военных коннотаций традиционалистов, трактовали «врагов» исключительно в гражданско-юридических понятиях как политических оппонентов из конкурирующих или союзнических структур (партий и партийных фракций). В рамках традиционализма своеобразным «драйвером» трансформации образа «врага» становятся карлисты, которые в условиях внутридинастических войн между католиками и испанцами были вынуждены придавать своему дискурсу сугубо политическое звучание.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ Ð¼Ð¾Ð´ÐµÐ»Ð¸ ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¾Ð³Ð¾ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Development of a digital model of an X-ray diffractometer
Creators: name: ÐÐ¸ÑÐµÐ»ÐµÐ²Ð°, ÐÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾ÑÑÑÑÐºÑÑÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð·
ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¸Ð¹ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑ
Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð°
Ð´Ð¸ÑÑÐ°ÐºÑÐ¸Ñ
ÑÐ¸ÑÑÐ¾Ð²Ð°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ
x-ray diffraction analysis
x-ray diffractometer
diffracto-gram
diffraction
digital model

description: Ð¢ÐµÐ¼Ð° Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÑ: Â«Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ Ð¼Ð¾Ð´ÐµÐ»Ð¸ ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¾Ð³Ð¾ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑÐ°Â». Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð° ÑÐµÐ»ÐµÑÐ¾Ð¾Ð±ÑÐ°Ð·Ð½Ð¾ÑÑÑ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ Ð¼Ð¾Ð´ÐµÐ»Ð¸ ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¾Ð³Ð¾ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑÐ°. ÐÐ·Ð»Ð¾Ð¶ÐµÐ½Ð° ÑÑÑÐ½Ð¾ÑÑÑ Ð¼ÐµÑÐ¾Ð´Ð° ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾ÑÑÑÑÐºÑÑÑÐ½Ð¾Ð³Ð¾ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð¸ Ð¾Ð¿Ð¸ÑÐ°Ð½ Ð¿ÑÐ¸Ð½ÑÐ¸Ð¿ ÑÐ°Ð±Ð¾ÑÑ ÑÐµÐ°Ð»ÑÐ½Ð¾Ð³Ð¾ ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¾Ð³Ð¾ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑÐ°. Ð¡Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð° ÑÑÐµÐ¼Ð° ÑÐ°Ð±Ð¾ÑÑ ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð¹ Ð¼Ð¾Ð´ÐµÐ»Ð¸. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð°, Ð¸Ð¼Ð¸ÑÐ¸ÑÑÑÑÐ°Ñ ÑÐ°Ð±Ð¾ÑÑ ÑÐµÐ½ÑÐ³ÐµÐ½Ð¾Ð²ÑÐºÐ¾Ð³Ð¾ Ð´Ð¸ÑÑÐ°ÐºÑÐ¾Ð¼ÐµÑÑÐ°. ÐÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½Ñ Ð¾ÑÐ¾Ð±ÐµÐ½Ð½Ð¾ÑÑÐ¸ ÑÐ°Ð±Ð¾ÑÑ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ Ð¸ Ð¿Ð¾ÐºÐ°Ð·Ð°Ð½Ñ ÑÐ¿Ð¾ÑÐ¾Ð±Ñ ÐµÐµ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ñ.
description: The subject of the graduate qualification work is âDevelopment of a digital model of an X-ray diffractometerâ. In the given work the expediency of developing a digital model of an X-ray diffractometer is substantiated. The essence of the X-ray diffraction analysis method is described and the principle of operation of a real X-ray diffractometer is described. The scheme of operation of the digital model has been compiled. A program that simulates the operation of an X-ray diffractometer has been developed. The features of the program are analyzed, and the ways of its application are shown.
Multivariate Goppa codes
Creators: name: López, Hiram H.
name: Matthews, Gretchen L.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences
subject: 94B05, 11T71, 14G50

description: In this paper, we introduce multivariate Goppa codes, which contain as a special case the well-known, classical Goppa codes. We provide a parity check matrix for a multivariate Goppa code in terms of a tensor product of generalized Reed-Solomon codes. We prove that multivariate Goppa codes are subfield subcodes of augmented Cartesian codes. By showing how this new family of codes relates to tensor products of generalized Reed-Solomon codes and augmented codes, we obtain information about the parameters, subcodes, duals, and hulls of multivariate Goppa codes. We see that in certain cases, the hulls of multivariate Goppa codes (resp., tensor product of generalized Reed-Solomon codes), are also multivariate Goppa codes (resp. tensor product of generalized Reed-Solomon codes). We utilize the multivariate Goppa codes to obtain entanglement-assisted quantum error-correcting codes and to build families of long LCD, self-dual, or self-orthogonal codes.
Predicted UV properties of very metal-poor starburst galaxies
Creators: name: Raiter, Anna
name: Schaerer, Daniel
name: Fosbury, Robert
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We study the expected properties of starbursts in order to provide the point of reference for interpretation of high-z galaxy surveys and of very metal-poor galaxies. We concentrate mainly on the UV characteristics such as the ionizing spectra, the UV continuum, the Ly alpha and HeII 1640 A line and two-photon continuum emission. We use evolutionary synthesis models covering metallicities from Pop III to solar and a wide range of IMFs. We also combine the synthetic SEDs with the CLOUDY photoionization code for more accurate predictions of nebular emission, and to study possible departures from case B assumed in the synthesis models. The ionizing fluxes, UV continuum properties, and predicted Ly alpha and HeII 1640 A line strengths are presented for synthesis models covering a wider range of parameter space than our earlier calculations. Strong departures from case B predictions are obtained for Ly alpha and two-photon continuum at low metallicities. At low nebular densities both are shown to be enhanced proportionally to the mean energy carried by the Lyman continuum photons emitted by the ionizing source. Larger Ly alpha equivalent widths are therefore predicted at low metallicity. The HeII 1640 A line can be weaker than case B predicts (in terms of flux as well as the equivalent width) due to its ionization parameter dependence and to the enhanced underlying two-photon continuum. Our results have implications for the interpretation of star-forming metal-poor and/or high redshift galaxies, for galaxies among the Ly alpha emitters (LAE) and Lyman Break galaxy (LBG) populations, and for searches of Population III stars in the distant Universe.
description: 18 pages, A & A accepted. Model results presented in this paper are available on http://obswww.unige.ch/sfr/
Relational hyperevent models for polyadic interaction networks
Creators: name: Lerner, Jürgen
name: Lomi, Alessandro
Publisher: name: arXiv
Year: 2021
Subjects: subject: Applications (stat.AP)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: Polyadic, or "multicast" social interaction networks arise when one sender addresses multiple receivers simultaneously. Currently available relational event models (REM) are not well suited to the analysis of polyadic interaction networks because they specify event rates for sets of receivers as functions of dyadic covariates associated with the sender and one receiver at a time. Relational hyperevent models (RHEM) address this problem by specifying event rates as functions of hyperedge covariates associated with the sender and the entire set of receivers. For instance, hyperedge covariates can express the tendency of senders to repeatedly address the same pairs (or larger sets) of receivers - a simple and frequent pattern in polyadic interaction data which, however, cannot be expressed with dyadic covariates. In this article we demonstrate the potential benefits of RHEMs for the analysis of polyadic social interaction. We define and discuss practically relevant effects that are not available for REMs but may be incorporated in empirical specifications of RHEM. We illustrate the empirical value of RHEM, and compare them with related REM, in a reanalysis of the canonical Enron email data.
Additional file 1 of Analysis of the variable factors affecting changes in the blood concentration of cyclosporine before and after transfusion of red blood cell concentrate
Creators: name: Uchida, Masashi
name: Hanada, Natsumi
name: Yamazaki, Shingo
name: Takatsuka, Hirokazu
name: Imai, Chiaki
name: Utsumi, Akari
name: Shiko, Yuki
name: Kawasaki, Yohei
name: Suzuki, Takaaki
name: Ishii, Itsuko
Publisher: name: figshare
Year: 2022
Subjects: subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Hematology
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1. Fig. S1 Methods used in the analysis. The clinical laboratory data used for the analysis were obtained on the same day as the CyA concentrations. Differences and ratios between before and after transfusion were calculated for each case. Medications that could affect the blood concentration of CyA (azole antifungal agents, amlodipine, nifedipine, metronidazole, or deferasirox) that were initiated or discontinued during the period are indicated in gray in the time course and were analyzed as concomitant medications in Table 2. RCC, red blood cell concentrate; D, dose of CyA; C, blood concentration of CyA; HCT, hematocrit; WBC, white blood cell count; AST, aspartate aminotransferase; ALT, alanine aminotransferase; ALP, alkaline phosphatase; Tbil, total bilirubin; Alb, serum albumin; UN, urea nitrogen; eGFR, estimated glomerular filtration rate; K, serum potassium; CyA, cyclosporine; b, before RCC transfusion; a, after RCC transfusion.
Правопонимание Фридриха Августа фон Хайека: между либеральной идеологией и социальной теорией
Creators: name: Руслан Султанович Рааб
Publisher: name: Антиномии
Year: 2020
Subjects: Фридрих Август фон Хайек
теория права
право и ценности
право и социальный порядок
эпистемология

description: В статье предпринимается попытка переосмыслить и реактуализировать теоретическое наследие Фридриха Августа фон Хайека в сфере юриспруденции. На примере работ профессора И.Ю. Козлихина, а также ряда зарубежных исследователей, автор демонстрирует существенные пробелы и искажения, присущие современной литературе о правопонимании Хайека. По мере этого критического исследования выявляется целый ряд малоизвестных аспектов теории права Хайека, которые не только позволяют составить более корректное представление о правовых идеях известного австрийского ученого, но и выдвинуть новую гипотезу относительно предельных оснований хайековской концепции права. Согласно данной гипотезе, ключом к осмыслению оригинального вклада Хайека в философию права является вовсе не либеральная идея свободы и рынка, но фундаментальная социальная теория, в основе которой лежит специфическая эпистемология Хайека. Либеральная идеология многое объясняет в его работах, но не позволяет достаточно четко отделить право от не-права в теории Хайека. Лишь благодаря эпистемологии Хайека мы можем отделить право как «правила справедливости» от всех остальных социальных институтов в его концепции. Основой для данного отделения служит эпистемологическое различение «простых» и «сложных» феноменов, социо-структурным эквивалентом которого является хайековское различение «организации» (Taxis) и «порядка расширенного сотрудничества» (Kosmos). Поскольку лишь последний является феноменом «сложного» типа, то для поддержания данного порядка требуются мета-рациональные правила справедливости, только и способные преодолеть ограниченность человеческого знания в отношении комплексных социальных структур, не поддающихся рациональному осмыслению. По мнению автора статьи, именно эта сугубо «техническая» особенность права как правил справедливости выступает фундаментом правопонимания Хайека. Автор приходит к выводу, что дальнейшее исследование оригинального вклада Хайека в философию права зависит от анализа эпистемологической составляющей его социальной теории, а не от идеологии свободы и рынка.
Parahydrogen enhanced zero-field nuclear magnetic resonance
Creators: name: Theis, Thomas
name: Ganssle, Paul
name: Kervern, Gwendal
name: Knappe, Svenja
name: Kitching, John
name: Ledbetter, Micah
name: Budker, Dmitry
name: Pines, Alex
Publisher: name: arXiv
Year: 2011
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Nuclear magnetic resonance (NMR), conventionally detected in multi-tesla magnetic fields, is a powerful analytical tool for the determination of molecular identity, structure, and function. With the advent of prepolarization methods and alternative detection schemes using atomic magnetometers or superconducting quantum interference devices (SQUIDs), NMR in very low- (~earth's field), and even zero-field, has recently attracted considerable attention. Despite the use of SQUIDs or atomic magnetometers, low-field NMR typically suffers from low sensitivity compared to conventional high-field NMR. Here we demonstrate direct detection of zero-field NMR signals generated via parahydrogen induced polarization (PHIP), enabling high-resolution NMR without the use of any magnets. The sensitivity is sufficient to observe spectra exhibiting 13C-1H J-couplings in compounds with 13C in natural abundance in a single transient. The resulting spectra display distinct features that have straightforward interpretation and can be used for chemical fingerprinting.
description: 19 pages, 4 figures
The regulation and characterization of surfing motility in Pseudomonas aeruginosa
Creators: name: Sun, Evelyn
Publisher: name: University of British Columbia
Year: 2019

description: Pseudomonas aeruginosa is an opportunistic pathogen associated with a high incidence of infections in hospitalized and cystic fibrosis (CF) patients. P. aeruginosa is highly adaptable and exhibits diverse lifestyle adaptations depending on its surrounding environment. Here I studied a complex motility lifestyle termed surfing that occurs in the presence of mucin, a glycoprotein that is found in large abundance in the CF lung, and showed that surfing was associated with broad-spectrum antibiotic resistance, conserved in several bacterial species, and regulated by a complex networks of regulators. RNA-Seq revealed ~1,024 genes dysregulated in P. aeruginosa under surfing conditions, while a screen of the PA14 transposon mutant library revealed 192 mutants that exhibited surfing deficiency, 40 of which were regulatory genes, including the putative chemotaxis regulator, PA1463, and two-component regulator, pfeR. Both PA1463 and pfeR were found to be master regulators of P. aeruginosa surfing and mutants in these genes demonstrated dysregulation of the majority of other regulators influencing surfing. Using disk diffusion assays, I investigated the adaptive antibiotic resistance associated with surfing motility. P. aeruginosa surfing cells were significantly more resistant to several antibiotics including all tested aminoglycosides, carbapenems, polymyxins, fluoroquinolones, and trimethoprim, tetracycline, and chloramphenicol. To identify the genes mediating surfing-dependent antibiotic resistance, transposon mutants in antibiotic susceptibility genes that were dysregulated under surfing conditions were screened for altered susceptibility under surfing conditions. This revealed 65 mutants, including mutants in armR, recG, atpB, clpS, nuoB, that exhibited changes in susceptibility to one or more antibiotics, consistent with a contribution to the observed adaptive resistance. It was further demonstrated that other motile bacterial species, including Escherichia coli, Salmonella enterica, Vibrio harveyi, Enterobacter cloacae, Proteus mirabilis, and Bacillus subtilis, exhibited similar characteristics of surfing as observed for P. aeruginosa in the presence of mucin, including rapid surface growth, dependence on flagella, and broad- spectrum adaptive resistance. Therefore, surfing is a conserved motile lifestyle regulated by complex networks of regulators and leads to broad spectrum adaptive antibiotic resistance.
The growth of dark matter halos: evidence for significant smooth accretion
Creators: name: Genel, Shy
name: Bouché, Nicolas
name: Naab, Thorsten
name: Sternberg, Amiel
name: Genzel, Reinhard
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We study the growth of dark matter halos in the concordance LCDM cosmology using several N-body simulations of large cosmological volumes. We build merger trees from the Millennium and Millennium-II simulations, covering a range 10^9-10^15 Msun in halo mass and 1-10^5 in merger mass ratio. Our algorithm takes special care of halo fragmentation and ensures that the mass contribution of each merger to halo growth is only counted once. This way the integrated merger rate converges and we can consistently determine the contribution of mergers of different mass ratios to halo growth. We find that all resolved mergers, up to mass ratios of 10^5, contribute only ~60% of the total halo mass growth, while major mergers are subdominant, e.g. mergers with mass ratios smaller than 3:1 (10:1) contribute only ~20% (~30%). This is verified with an analysis of two additional simulation boxes, where we follow all particles individually throughout cosmic time. Our results are also robust against using several halo definitions. Under the assumption that the power-law behaviour of the merger rate at large mass ratios can be extrapolated to arbitrarily large mass ratios, it is found that, independently of halo mass, ~40% of the mass in halos comes from genuinely smooth accretion of dark matter that was never bound in smaller halos. We discuss possible implications of our findings for galaxy formation. One implication, assuming as is standard that the pristine intergalactic medium is heated and photoionized by UV photons, is that all halos accrete >40% of their baryons in smooth "cold" T>~10^4K gas, rather than as warm, enriched or clumpy gas or as stars.
description: 11 pages, 9 figures. Accepted for publication in the Astrophysical Journal
Relative generalized Hamming weights of evaluation codes
Creators: name: Jaramillo-Velez, Delio
name: López, Hiram H.
name: Pitones, Yuriko
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: Commutative Algebra (math.AC)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics
subject: 13P25, 14G50, 94B27, 11T71

description: The aim of this work is to algebraically describe the relative generalized Hamming weights of evaluation codes. We give a lower bound for these weights in terms of a footprint bound. We prove that this bound can be sharp. We compute the next-to-minimal weight of toric codes over hypersimplices of degree 1.
Становление института медиации в России и за рубежом
Creators: name: Наталья Николаевна Толкунова
name: Мира Николаевна Таршева
Publisher: name: Антиномии
Year: 2020
Subjects: медиация
восстановительное правосудие
посредничество
примирительные практики
уголовное судопроизводство
альтернативный способ разрешения уголовно-правового конфликта

description: Решение юридических конфликтов при участии посредника является ресурсным механизмом для сохранения времени, денежных средств и сил спорящих сторон, действующим в направлении достижения консенсуса. Примирительные практики при участии третьей, непредвзятой, стороны известны с давних времен во многих странах. Настоящая статья посвящена ретроспективному анализу процесса развития восстановительного правосудия и формирования института медиации. Рассмотрены философские предпосылки посредничества в античный и средневековый периоды и в Новое время. Авторы акцентируют внимание на историко-правовом развитии медиативных практик в России и в зарубежных странах. Более подробно медиация рассматривается как альтернативный традиционному (карательному) способ реагирования на преступление, заключающийся в разрешении уголовноправового конфликта между сторонами при посредничестве независимого участника – медиатора. Выделяются три модели медиации в зависимости от стадии процесса ее применения: до возбуждения уголовного дела, после возбуждения уголовного дела, а также пенитенциарная модель медиации. Ретроспективный анализ процесса становления института медиации в российском и зарубежном праве позволяет констатировать, что истоки примирительных практик с участием посредника прослеживаются уже в античный период. На раннем этапе развития восстановительное правосудие нашло свое отражение в идеях майевтики; в период Средневековья медиативные практики, как правило, не применялись. Период Нового времени был более плодотворным и «реанимировал» восстановительное правосудие, найдя свое отражение в гуманистических идеях писателей и философов. На современном этапе развития медиация рассматривается как альтернативная традиционной процедура разрешения спора. Методологической основой работы являются общенаучные методы (анализ, синтез, индукция, дедукция, диалектико-материалистический и системный методы и др.), а также специальные юридические методы (сравнительноправовой, юридико-догматический и др.).