cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
An asymptotic method of factorization of a class of matrix-functions
Creators: name: Mishuris, Gennady
name: Rogosin, Sergei
Publisher: name: arXiv
Year: 2014
Subjects: subject: Complex Variables (math.CV)
subject: FOS: Mathematics
subject: Primary: 15A23, Secondary: 15A54, 30E25, 45E10

description: A novel method of asymptotic factorization of $n \times n$ matrix functions is proposed. Considered class of matrices is motivated by certain problems originated in the elasticity theory. An example is constructed to illustrate effectiveness of the proposed procedure. Further applications of the method is discussed.
description: 23 pages, 3 figures
ПРОЕКТ ПЛАТФОРМЫ НА ВОЗДУШНОЙ ТЯГЕ ДЛЯ ИЗУЧЕНИЯ И ОТЛАДКИ PID-РЕГУЛЯТОРА НА STM
Creators: name: А.В. Большов
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: квадрокоптер
БПЛА
МЛА
PID-регулятор
робототехника
STM.

description: В данной статье предлагается концепция практического обучения студентов технических специальностей основам конструирования многовинтовых летательных аппаратов и отладки PID-регулятора, рассматривается один из вариантов реализации учебной платформы, приводятся конкретные детали и компоненты, использованные при создании данной конструкции.
РАЗРАБОТКА И РЕАЛИЗАЦИЯ МОДЕЛИ ДЕФОРМАЦИЙ ФУНДАМЕНТА ЛЕНТОЧНОГО ТИПА В УСЛОВИЯХ ВИБРАЦИОННЫХ ВОЗДЕЙСТВИЙ
Creators: name: Д.А. Снетков
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: ленточный фундамент
основание Винклера
дифференциальные уравнения
собственные частоты
компьютерная реализация.

description: В работе решена задача об установившихся поперечных колебаниях ленточного фундамента, моделируемого балочной плитой, взаимодействующего с упругим основанием. В качестве последнего рассмотрено основание Винклера. На балку действует произвольная вертикальная нагрузка. Создано приложение для расчета прогибов, изгибающих моментов и поперечных сил, возникающих в балке на упругом основании, для различных условий заделки краев и типов нагружения. В качестве языка программирования для реализации модели был выбран язык Python.
Electronic properties and morphology of Cu-Phthalocyanine - C$_{60}$ composite mixtures
Creators: name: Roth, Friedrich
name: Lupulescu, Cosmin
name: Arion, Tiberiu
name: Darlatt, Erik
name: Gottwald, Alexander
name: Eberhardt, Wolfgang
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Phthalocyanines in combination with C$_{60}$ are benchmark materials for organic solar cells. Here we have studied the morphology and electronic properties of co-deposited mixtures (blends) of these materials forming a bulk heterojunction as a function of the concentration of the two constituents. For a concentration of 1:1 of CuPc:C$_{60}$ a phase separation into about 100 nm size domains is observed, which results in electronic properties similar to layered systems. For low C$_{60}$ concentrations (10:1 CuPc:C$_{60}$) the morphology, as indicated by Low-Energy Electron Microscopy (LEEM) images, suggests a growth mode characterized by (amorphous) domains of CuPC, whereby the domain boundaries are decorated with C$_{60}$. Despite of these markedly different growth modes, the electronic properties of the heterojunction films are essentially unchanged.
WA-L25. Letter from Karl Lamberg-Karlovsky to Andrew Williamson
Creators: name: Lamberg-Karlovsky, Karl
Publisher: name: Zenodo
Year: 2023

description: Sent from Peabody Museum, Cambridge Massachusetts; © Williamson Collection Project Notes: request for images from Depe Dasht-i Deh [appears to have been sent before WA-L27]
Bifurcation structures and transient chaos in a four-dimensional Chua model
Creators: name: Hoff, Anderson
name: da Silva, Denilson T.
name: Manchein, Cesar
name: Albuquerque, Holokx A.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: A four-dimensional four-parameter Chua model with cubic nonlinearity is studied applying numerical continuation and numerical solutions methods. Regarding numerical solution methods, its dynamics is characterized on Lyapunov and isoperiodic diagrams and regarding numerical continuation method, the bifurcation curves are obtained. Combining both methods the bifurcation structures of the model were obtained with the possibility to describe the {\it shrimp}-shaped domains and their endoskeletons. We study the effect of a parameter that controls the dimension of the system leading the model to present transient chaos with its corresponding basin of attraction being riddled.
description: 9 figures, to appear in PLA
ИЗУЧЕНИЕ СОСТОЯНИЯ СИСТЕМЫ ШТОЛЕН ПОД ДЕЙСТВИЕМ СТАТИЧЕСКИХ НАГРУЗОК
Creators: name: И.С. Телятников
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: многослойное сооружение
пластины Кирхгофа
метод блочного элемента
система интегральных уравнений.

description: В работе представлен подход, позволяющий исследовать результат статических воздействий на пластовые перегородки месторождения, вскрытого системой горизонтальных штолен. Использованный метод блочного элемента позволил перейти от решения краевой задачи для подземного сооружения, моделируемого системой пластин Кирхгофа между двух линейно упругих слоев, к системе интегральных уравнений (СИУ) типа Фредгольма, решаемой с помощью интегрального метода факторизации.
Surface control of flexoelectricity
Creators: name: Stengel, Massimiliano
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The polarization response of a material to a strain gradient, known as flexoelectricity, holds great promise for novel electromechanical applications. Despite considerable recent progress, however, the effect remains poorly understood. From both the fundamental and practical viewpoints, it is of crucial importance to know whether the coupling coefficients are primarily governed by the properties of the bulk material or by the details of the sample surface. Here we provide, by means of first-principles calculations, quantitative evidence supporting the latter scenario. In particular, we demonstrate that a SrTiO$_3$ film can yield a positive or negative flexoelectric voltage depending on its surface termination. This result points to a full control of the flexoelectric effect via surface/interface engineering, opening exciting new avenues for device design.
description: 5 pages, 2 figures, 2 tables. Supplementary Information at http://departments.icmab.es/leem/stengel/supp2.pdf
СОЗДАНИЕ СИСТЕМЫ ИСКУССТВЕННОГО ИНТЕЛЛЕКТА ДЛЯ АНАЛИЗА ТЕОРЕТИЧЕСКИХ ВОЛЬТАМПЕРНЫХ ХАРАКТЕРИСТИК
Creators: name: З.М. Лайпанова
name: Р.А. Бостанов
name: А.В. Коваленко
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: нейронные сети
глубинное машинное обучение
электромембранные системы
вольтамперная характеристика
компьютерное моделирование.

description: Создан программный комплекс «Deep learning for CVC 0.1», содержащий базы данных и базы знаний теоретических вольтамперных характеристик (ВАХ) с использованием метода глубинного машинного обучения (Deep learning). Разработанный программный комплекс, позволяет моделировать массоперенос в электромембранных системах (ЭМС), имеющий единый интерфейс со встроенной справочной системой, анализ и синтез вольтамперной характеристики. В реализации программного комплекса использовалась программная платформа для компьютерного моделирования физических процессов COMSOL Multiphysics 5.5 [1] и среда разработки приложений COMSOL Multiphysics Application Builder, сред Java, Python, с использованием библиотек OpenCV, TensorFlow, Keras.
To Be Alive in the World Right Now: Climate Grief in Young Climate Organizers
Creators: Gelderman, Gabrielle
Publisher: name: University of Alberta Library
Year: 2022

The following study addresses the experience of climate grief in young organizers in Edmonton, Alberta / amiswaciwâskahikan, Treaty 6. Grounded in an art-based research methodology and using a theological lens, I examined the ways climate organizers give meaning to their grief and the ways shared forms of meaning-making can lead to healing. Informed by a narrative métissage model, I designed two workshops in which nine participants developed both personal and shared narratives about their grief. An analysis of the personal narratives revealed six emotional themes used to describe and make sense of grief: anger/bitterness, fear/anxiety, guilt/self-criticism, hopelessness/despair, resolve/determination, and sorrow/hurt. Additionally, an investigation into the group process showed that by sharing their narratives, participants were able to experience a meaningful and healing connection to themselves, one another, and/or something beyond the group. It was the experience of connecting to an entity or narrative which transcended the group that provided the most enduring form of meaning, helping participants feel more able to face the pain of future loss. A discussion of these findings concluded that having access to shared spaces of mourning and meaning-making is critical for climate organizers’ healing. It was shown that without these spaces, participants were forced to cope with their grief individually, often using strategies like numbing, avoidance, and blame, all of which caused feelings of disconnection and distress.
Directional localization of light rays in a periodic array of retro-reflector lenses
Creators: name: Fraczek, Krzysztof
name: Schmoll, Martin
Publisher: name: arXiv
Year: 2014
Subjects: subject: Dynamical Systems (math.DS)
subject: Mathematical Physics (math-ph)
subject: Optics (physics.optics)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We show that vertical light rays in almost every periodic array of Eaton lenses do not leave certain strips of bounded width. The light rays are traced by leaves of a non-orientable foliation on a singular plane. We study the flow defined by the induced foliation on the orientation cover of the singular plane. The behavior of that flow and ultimately our claim for the light rays is based on an analysis of the Teichmüller flow and the Kontsevich-Zorich cocycle on the moduli space of two branched, two sheeted torus covers in genus two.
description: To appear in Nonlinearity
НАСТОЛЬНОЕ ПРИЛОЖЕНИЕ ДЛЯ МОДЕЛИРОВАНИЯ СИНГУЛЯРНО ВОЗМУЩЕННЫХ ПРОЦЕССОВ ИТО С ТОЧНЫМ РЕШЕНИЕМ
Creators: name: Г.А. Кесиян
name: Э.Е. Плигина
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: сингулярно возмущенные стохастические дифференциальные уравнения
MS Visual Studio
настольное приложение
WPF
MVVM.

description: В рамках данной работы разработано настольное приложение, которое позволяет моделировать сингулярно возмущенные стохастические дифференциальные уравнения (СВСДУ) в форме Ито процессов [1]. При этом используется класс процессов, которые предполагают точно решение. Для их генерации пользователь задает соответствующие параметры, характеризующие интервал моделирования, снос, волатильность и специально выделенный малый параметр.
Inclisiran: A Review in Hypercholesterolemia
Creators: name: Frampton, James E.
Publisher: name: Adis Journals
Year: 2023
Subjects: Medicine

description: Declarations
 Funding The preparation of this review was not supported by any external funding.
 Authorship and Conflict of interest James E. Frampton is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content.
 Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability Not applicable.
 Additional information about this Adis Drug Review can be found here
 Abstract Inclisiran (Leqvio®) is a first-in-class, subcutaneously administered, small interfering RNA (siRNA) that prevents hepatic synthesis of proprotein convertase subtilisin/kexin type 9 (PCSK9), thereby decreasing circulating low-density lipoprotein cholesterol (LDL-C). In the EU, inclisiran is indicated in adults with primary hypercholesterolemia or mixed dyslipidemia, as an adjunct to diet. It is intended for use in patients unable to reach LDL-C goals on maximally tolerated statin therapy, with or without other lipid-lowering therapies (LLTs). In patients who are statin intolerant or for whom a statin is contraindicated, it can be used with or without other LLTs. In clinical trials, twice-yearly injections of inclisiran (after initial doses at days 1 and 90) approximately halved LDL-C levels in patients with, or at high risk of developing, atherosclerotic cardiovascular disease (ASCVD) who had hypercholesterolemia, irrespective of whether or not their existing treatment included a statin. The safety and tolerability profile of the drug was similar to placebo, although mild to moderate, transient injection-site adverse reactions were more frequent with inclisiran. Pending confirmation of the expected reduction in cardiovascular (CV) events with inclisiran, it is a valuable additional/alternative antihyperlipidemic agent to a statin, as its infrequent maintenance dosing regimen confers a convenience advantage over other non-statin LLTs.

 © Springer Nature Switzerland AG 2023
N=1 super-Chern-Simons theory in Batalin-Vilkovisky formulation
Creators: name: Upadhyay, Sudhaker
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We analyse the Abelian $N=1$ super-Chern-Simons model coupled to parity-preserving matter in linear and non-linear gauges with exact BRST invariance. Then we analyse the theory in field/antifield formulation to discuss the model at quantum level. Furthermore, we implement the field/antifield dependent transformation parameter to generalize the BRST symmetry of the theory. The novelty of field/antifield dependent BRST transformation is that under change of variable the Jacobian of the functional integral extends the quantum action from linear gauge to non-linear gauge. The results are established in full generality.
description: 7 pages, no figure, Version to appear in EPL
СВОДНЫЕ ТАБЛИЦЫ КАК ЭЛЕМЕНТ ИКТ-КОМПЕТЕНЦИИ СТУДЕНТОВ ВУЗОВ
Creators: name: Д.Г. Потемка
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: ИКТ-компетенции
малый бизнес
предприниматель
сводные таблицы
Power Query

description: В статье рассмотрен инструмент «Сводные таблицы» офисного пакета Microsoft Excel, проанализированы его функциональные особенности, разобраны ограничения в структуре входных данных, приведены примеры решений некоторых практических задач. Утверждается, что этот инструмент целесообразно осваивать в процессе формирования ИКТ-компетенций студентов высшей школы.
Interacting photon-baryon fluid, warm dark matter and the first acoustic peak
Creators: name: Fabris, Julio. C.
name: Velasquez-Toribio, Alan M.
name: Zimdahl, Winfried
name: Shapiro, Ilya L.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The Reduced Relativistic Gas (RRG) model was introduced by A. Sakharov in 1965 for deriving the cosmic microwave background (CMB) spectrum. It was recently reinvented by some of us to achieve an interpolation between the radiation and dust epochs in the evolution of the Universe. This model circumvents the complicated structure of the Boltzmann-Einstein system of equations and admits a transparent description of warm-dark-matter effects. It is extended here to include, on a phenomenological basis, an out-of-equilibrium interaction between radiation and baryons which is supposed to account for relevant aspects of pre-recombination physics in a simplified manner. Furthermore, we use the tight-coupling approximation to explore the influence of both this interaction and of the RRG warmness parameter on the anisotropy spectrum of the CMB. The predictions of the model are very similar to those of the ΛCDM model if both the interaction and the dark-matter warmness parameters are of the order of $10^{-4}$ or smaller. As far as the warmness parameter is concerned, this is in good agreement with previous estimations on the basis of results from structure formation.
description: 10 pages and 4 figures
ОБЗОР И СРАВНИТЕЛЬНАЯ ХАРАКТЕРИСТИКА ТЕХНОЛОГИЙ ДЛЯ РАЗРАБОТКИ WEB ПРИЛОЖЕНИЯ
Creators: name: А.А. Гонтарев
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: Web приложения
анализ количества пользователей. Web технологии. Языки программирования

description: В статье рассказывается о возможности PWA (progressive web app) [1]. Сравниваются различные возможности написания веб приложения. Приводится статистика пользователей на различных платформах.
АЛГОРИТМ ОПРЕДЕЛЕНИЯ ЦВЕТА АВТОМОБИЛЯ С ИСПОЛЬЗОВАНИЕМ МЕТОДА К-СРЕДНИХ
Creators: name: Р.Ю. Вишняков
name: М.А. Страхов
name: К.А. Рябинова
name: Д.В. Кубатин
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: методы определения цвета
кластерный анализ
k-means
цветовые пространства
определение цвета
распознавание цвета

description: В данной статье представляется алгоритм определения цвета автомобиля с использованием метода кластеризации К-средних.
Positive-entropy Hamiltonian systems on Nilmanifolds via Scattering
Creators: name: Butler, Leo T.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 37J30, 53C17, 53C30, 53D25

description: Let $Σ$ be a compact quotient of $T_4$, the Lie group of $4 \times 4$ upper triangular matrices with unity along the diagonal. The Lie algebra $t_4$ of $T_4$ has the standard basis $\{X_{ij}\}$ of matrices with $0$ everywhere but in the $(i,j)$ entry, which is unity. Let $g$ be the Carnot metric, a sub-riemannian metric, on $T_4$ for which $X_{i,i+1}$, $(i=1,2,3)$, is an orthonormal basis. Montgomery, Shapiro and Stolin showed that the geodesic flow of $g$ is algebraically non-integrable. This note proves that the geodesic flow of that Carnot metric on $T Σ$ has positive topological entropy and is real-analytically non-integrable. It extends earlier work by Butler and Gelfreich.
description: 3 figures
Investigations on forging of low-density Mg-Li alloys
Creators: name:  NIKOLAUS PAPENBERG
name:   STEFAN GNEIGER
name:   ALEXANDER GROszALBER
name:   CLEMENS SIMSON
Publisher: name: Proceedings of the Aerospace Europe Conference - EUCASS - CEAS - 2023
Year: 2023
Subjects: MAGNESIUM
MG-LI ALLOY
FORGING
LOW-DENSITY

description: Lightweight construction plays a vital role in aerospace applications and has a direct impact on fuel consumption and payload. Here, we present our investigations on a lightweight Mg-Li-Al-Ca-Y alloy. The material was produced through lab-scale casting and formed in a two-step forging operation. The manufacturing route and the processing behaviour are discussed, in addition the microstructure as well as the mechanical properties will be shown. In conclusion, we demonstrate the capabilities of Mg alloys with high Li contents, which are promising due to their remarkably low density and high specific mechanical properties.
СПЕЦИАЛИЗИРОВАННАЯ СИСТЕМА РАСПОЗНАВАНИЯ СКАНОВ ДОКУМЕНТОВ
Creators: name: И.А. Малахов
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: распознавание
шум изображения
выравнивание изображения
нормализация изображений
выделение объектов на изображении
сверточная нейронная сеть
обучающая выборка.

description: В представленной работе рассматривается проблема автоматического распознавание текста на базе нейронных сетей в документах организации. В основе распознавания лежат символьные шаблоны, на которых осуществляется предварительное обучение нейронной сети. В работе приводятся и обсуждаются результаты экспериментов.
Mission Planning of Manned-Unmanned Aircraft Teaming based on Reinforcement Learning: Suppression of Enemy Air Defenses(SEAD) Mission
Creators: name:  HYEON JUN LEE
name:   BO HOON MOON
name:   CHAN KWAG
name:   AYE AYE MAW
name:   JAE-WOO LEE
Publisher: name: Proceedings of the Aerospace Europe Conference - EUCASS - CEAS - 2023
Year: 2023
Subjects: REINFORCEMENT LEARNING
MANNED-UNMACNNED AIRCRAFT TEAMING
CENTRALIZED MISSION PLANNING
SURPPRESSION OF ENEMY AIR DEFENCE
AIRSIM

description: This study explores the development of centralized mission planning for Unmanned Aerial Vehicles (UAVs) in collaboration with manned aircraft. We adopt a Proximal Policy Optimization (PPO) trained single agent to simulate a Suppression of Enemy Air Defenses (SEAD) scenario. Our goal is to master optimal mission strategies. Tested under various environmental conditions, our model demonstrates a 78% success rate in neutralizing enemy defenses across 100 tests. The significant success of our model underlines its potential application in future warfare scenarios, representing a substantial progression in the domain of aerial warfare and reinforcement learning application.
ГИБРИДНЫЙ АЛГОРИТМ РЕШЕНИЯ КВАДРАТИЧНОЙ ЗАДАЧИ О НАЗНАЧЕНИЯХ
Creators: name: Е.А. Нигодин
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: квадратичная задача о назначениях
гибридный алгоритм
генетический алгоритм
эвристический подход
эволюционный алгоритм
алгоритм оптимизации сорной травой.

description: Данная работа посвящена решению квадратичной задачи о назначениях с помощью гибридного алгоритма, использующего как принципы генетического, так и эволюционного алгоритма, проведению сравнительного анализа эффективности работы полученного алгоритма.
ПОПУЛЯЦИОННЫЙ АЛГОРИТМ РЕШЕНИЯ ЗАДАЧИ КОММИВОЯЖЕРА
Creators: name: А.С. Поляков
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: популяционный алгоритм
гибридный алгоритм
генетический алгоритм
эвристический подход
эволюционный алгоритм
метод роя частиц
задача коммивояжера
алгоритм ближайшего соседа
муравьиный алгоритм

description: В данной статье рассматривается популяционный гибридный алгоритм решения задачи коммивояжера. В статье приводится постановка задачи коммивояжера и подробный разбор данной проблемы, блок-схема полученного алгоритма, результат его работы, пользовательский интерфейс. Далее освещается сравнение точности разработанного алгоритма с методом ближайшего соседа и муравьиным алгоритмом.
ПРИЛОЖЕНИЕ ДЛЯ РЕШЕНИЯ ТРАНСПОРТНОЙ ЗАДАЧИ ПО КРИТЕРИЮ ВРЕМЕНИ
Creators: name: Д.Г. Сокол
name: К.А. Харченко
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: транспортная задача
метод минимального элемента
метод потенциалов.

description: В рамках данной работы разработано приложение для ПК под управлением Windows, позволяющее пользователю с помощью GUI с лёгкостью решить транспортную задачу по критерию времени. В качестве метода построения опорного плана был выбран метод минимального элемента, для проверки и улучшения плана был использован метод потенциалов.
Out-of-equilibrium structures in strongly interacting Rydberg gases with dissipation
Creators: name: Lesanovsky, Igor
name: Garrahan, Juan P.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: The non-equilibrium dynamics of a gas of cold atoms in which Rydberg states are off-resonantly excited is studied in the presence of noise. The interplay between interaction and off-resonant excitation leads to an initial dynamics where aggregates of excited Rydberg atoms slowly nucleate and grow, eventually reaching long-lived meta-stable arrangements which then relax further on much longer timescales. This growth dynamics is governed by an effective Master equation which permits a transparent and largely analytical understanding of the underlying physics. By means of extensive numerical simulations we study the many-body dynamics and the correlations of the resulting non-equilibrium states in various dimensions. Our results provide insight into the dynamical richness of strongly interacting Rydberg gases in noisy environments, and highlight the usefulness of these kind of systems for the exploration of soft-matter-type collective behaviour.
ПРОГРАММНО-АППАРАТНАЯ РЕАЛИЗАЦИЯ РОБОТА ANYWALKER
Creators: name: В.В. Акимов
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: микроконтроллеры
робототехнические системы
не антропоморфные роботы
программно-аппаратная реализация
AnyWalker.

description: В данной статье предлагается описание программно-аппаратной реализации не антропоморфного робота AnyWalker, рассмотрение ее недостатков, а так же предлагаемые варианты для их устранения.
ТРЁХМЕРНАЯ УПАКОВКА РАЗНОГАБАРИТНЫХ ОБЪЕКТОВ МЕТОДОМ ГЕНЕТИЧЕСКОГО ПОИСКА
Creators: name: А.А. Полупанов
name: А.А. Буянкин
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: генетический алгоритм
генетический метод поиска
трёхмерная упаковка
эвристический метод поиска
упаковка разногабаритных объектов.

description: В статье рассматривается одна из задач комбинаторной оптимизации − задача трёхмерной упаковки разногабаритных объектов. Приводится подробная постановка задачи, алгоритм генетического поиска в виде блок-схемы, рассматривается сравнительный анализ эффективности полученного алгоритма с другими известными эвристическими подходами.
Testing randomness with photons
Creators: name: Matthews, Jonathan C. F.
name: Whittaker, Rebecca
name: O'Brien, Jeremy L.
name: Turner, Peter S.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Generating and characterising randomness is fundamentally important in both classical and quantum information science. Here we report the experimental demonstration of ensembles of pseudorandom optical processes comprising what are known as t-designs. We show that in practical scenarios, certain finite ensembles of two-mode transformations---1- and 2-designs---are indistinguishable from truly random operations for 1- and 2-photon quantum interference, but they fail to mimic randomness for 2- and 3-photon cases, respectively. This provides a novel optical test of pseudo randomness. We make use of the fact that t-photon behaviour is governed by degree-2t polynomials in the parameters of the optical process to experimentally verify the ensembles' behaviour for complete bases of polynomials. This ensures that outputs will be uniform for arbitrary configurations, satisfying the strict definition of pseudorandomness implicit in the mathematical definition.
description: 10 pages, 12 figures (including appendix)
ВЕБ-ПРИЛОЖЕНИЕ ДЛЯ МОДЕЛИРОВАНИЯ СТОХАСТИЧЕСКИХ ДИФФЕРЕНЦИАЛЬНЫХ УРАВНЕНИЙ С ПРИМЕНЕНИЕМ ЯВНЫХ И НЕЯВНЫХ ЧИСЛЕННЫХ СХЕМ
Creators: name: Г.А. Кесиян
name: В.О. Демченко
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: клиент-серверное приложение
flask
framework7
стохастические дифференциальные уравнения
схема Эйлера
схема Рунге-Кутта
неявная численная схема SADISRK2.

description: В статье представлено клиент-серверное браузерное приложение, которое позволяет осуществлять моделирование стохастических дифференциальных уравнений (СДУ) в форме процессов Ито с применением явных и неявных численных схем. Для этого пользователь задает произвольные функции сноса и волатильности и выбирает один из методов решения – численную схему. Веб-сервер приложения реализован с использованием python и flask, на стороне клиента применялись фреймворки framework7 и React.
HYDROCARBON FUEL BASED ON BALL-MILLED ALUMINIUM AND DODECANE
Creators: name: FLORIAN CHANTRE, MARC BOUCHEZ
Publisher: name: Proceedings of the Aerospace Europe Conference - EUCASS - CEAS - 2023
Year: 2023
Subjects: FUEL
AIRBREATHING PROPULSION
RAMJET
NANOPARTICLES
ALUMINIUM
DODECANE
PERFORMANCES
NANOTECHNOLOGIES

description: Nano-fluids are more and more studied in numerous industry areas (medical, energetic, nuclear ... ). They have particular flow properties and many corresponding models are available. Particularly, the use of nano-fuels (liquid fuels with particles of less than 100 nanometers typically) is moving more and more from laboratory to advanced studies for automotive (a few percent of nanoparticles) and aerospace (several dozen percent of nanoparticles) applications. MEDA identified in 2015 the possible interest of nanotechnologies and associated possible game-changers or at least techno-enablers, and carried out a free survey in connection with several of its research partners like ENS TA, CNRS, CEA, and ONERA The interest of nanoparticles to fuel is not new and had been investigated in the past, especially with the \"slurry fuels\" studied extensively at the end of the last century. The current trend is to use a smaller amount of quite smaller particles, and estimate the possible operational benefit for future systems as well as the associated showstoppers or risk mitigation actions. For example, a theoretical work was awarded by MEDA at ENST A lab in Paris in order to assess by detailed kinetic modelling what could be the benefit (or the lack of performance) of small particles add-on, for combustion range (ignition, blow-off .. ). This work does not take into account the liquid state of the fuel as well as the size and geometry of metallic particles, but it allowed to state how the fuel ignition delay is modified, for instance by aluminium. Existing (and scattered) models were used to predict what could be the combustion heating value, the density and, with less accuracy, the expected viscosity and thermal conductivity evolutions with temperature. Propulsion but also cooling performance could be increased by 20 to 40% compared to base fuel without nanoparticles, but many limitation factors have to be taken into account. Risks for safety, security and handling have been assessed. The Research Technology activity reported here is then dealing with the use of nano fuels for aerospace applications, especially for future airbreathing systems, including in a \"drop-in\" option. Current aviation fuels like kerosene are formed of hundreds or thousands of chemical species, thus they are not easy to manage computationally in an RT study like in the current prospective activity conducted by MEDA and CEA on \'nanofuels\'. N-dodecane (n-C12H2,) has been chosen as a basis generic fuel since this alkane hydrocarbon could have a quite similar overall behaviour in engines as regular kerosene. Laboratory tests of dodecane mixed with aluminium nano-sized particles were conducted and analysed, some results will be discussed here, and compared to theoretical or system computations.
АВТОМАТИЗАЦИЯ СИСТЕМЫ ПОДГОТОВКИ ТОВАРНОГО ЧЕКА
Creators: name: А.М. Узденова
name: М.Н. Палтаева
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: информационная система
функционально-ориентированное проектирование
программирование
автоматизация процессов обработки данных
программное приложение.

description: В статье описан процесс разработки программного приложения для автоматизации системы подготовки товарного чека на основе методологии функционально-ориентированного проектирования. Программное приложение реализовано с помощью среды разработки Embarcadero Delphi.
A magnetar powering the ordinary monster GRB 130427A?
Creators: name: Bernardini, M. G.
name: Campana, S.
name: Ghisellini, G.
name: D'Avanzo, P.
name: Calderone, G.
name: Covino, S.
name: Cusumano, G.
name: Ghirlanda, G.
name: La Parola, V.
name: Maselli, A.
name: Salvaterra, A. Melandri R.
name: Burlon, D.
name: D'Elia, V.
name: Fugazza, D.
name: Sbarufatti, B.
name: Vergani, S. D.
name: Tagliaferri, G.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: We present the analysis of the extraordinarily bright Gamma-Ray Burst (GRB) 130427A under the hypothesis that the GRB central engine is an accretion-powered magnetar. In this framework, initially proposed to explain GRBs with precursor activity, the prompt emission is produced by accretion of matter onto a newly-born magnetar, and the observed power is related to the accretion rate. The emission is eventually halted if the centrifugal forces are able to pause accretion. We show that the X-ray and optical afterglow is well explained as the forward shock emission with a jet break plus a contribution from the spin-down of the magnetar. Our modelling does not require any contribution from the reverse shock, that may still influence the afterglow light curve at radio and mm frequencies, or in the optical at early times. We derive the magnetic field ($B\sim 10^{16}$ G) and the spin period ($P\sim 20$ ms) of the magnetar and obtain an independent estimate of the minimum luminosity for accretion. This minimum luminosity results well below the prompt emission luminosity of GRB 130427A, providing a strong consistency check for the scenario where the entire prompt emission is the result of continuous accretion onto the magnetar. This is in agreement with the relatively long spin period of the magnetar. GRB 130427A was a well monitored GRB showing a very standard behavior and, thus, is a well-suited benchmark to show that an accretion-powered magnetar gives a unique view of the properties of long GRBs.
description: 5 pages, 1 figure, accepted for publication in MNRAS Letters
СИСТЕМА ГОЛОСОВОГО ОБСЛУЖИВАНИЯ ДЛЯ ОПТИМИЗАЦИИ РАБОТЫ КОЛЛ-ЦЕНТРА
Creators: name: В.В. Подколзин
name: Д.Р. Романова
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: распознавание речи
аналитика речи
системы голосового обслуживания.

description: В статье рассматривается задача распознавания и анализа речи на основе разговоров операторов колл-центра с клиентами с целью оптимизации работы операторов контактных центров и последующего повышения эффективности работы, обучения, а также автоматизации этого процесса.
Multi-fidelity Multidisciplinary Analysis Methodology for Preliminary Design of Ultra-high Aspect Ratio Strut Braced Wing Aircraft
Creators: name:  SHON MORI
name:   GUILLAUME ARNOULT
name:   MATHIEU BALESDENT
name:   LOIC BREVAULT
name:   SYLVAIN DUBREUIL
name:   CEDRIC LIAUZUN
Publisher: name: Proceedings of the Aerospace Europe Conference - EUCASS - CEAS - 2023
Year: 2023
Subjects: MULTI-FIDELITY SIMULATION
MULTIDISCIPLINARY ANALYSIS
AIRCRAFT DESIGN
ULTRA-HIGH ASPECT RATIO WING
STRUT-BRACED WING

description: This paper presents a comparative study oflow and high-fidelity aero-structural Multi-Disciplinary Analysis (MDA) schemes for the High Aspect Ratio Strut-Braced Wing (HARSBW) concept. The vortex lattice method and compressible Euler aerodynamic solvers are utilized to construct the low and high-fidelity MDA schemes, respectively. The objective is to analyze the correlation between the two MDA fidelity and to evaluate the potential of constructing a multi-fidelity surrogate model for incorporation into MultiDisciplinary Analysis and Optimization (MDAO) architecture. The MDA runs are performed for varying Mach numbers and Angle of Attack (Ao A) values. The results indicate that the different level fidelity MDA schemes approximately correlate with a wide range of AoA values and lower Mach conditions. However, at higher Mach numbers (Mach number 0.68), potential discordance between the two fidelity-level MDA schemes is observed. These findings provide valuable insights for developing efficient global MDAO architectures, particularly for the preliminary aircraft design of HARSBW concept.
Revealing a new charge density wave order in TbTe$_3$ by optical conductivity and ultrafast pump-probe experiments
Creators: name: Chen, R. Y.
name: Hu, B. F.
name: Dong, T.
name: Wang, N. L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Rare-earth tri-tellurium RTe$_3$ is a typical quasi-two dimensional system which exhibits obvious charge density wave (CDW) orders. So far, RTe$_3$ with heavier R ions (Dy, Ho, Er and Tm) are believed to experience two CDW phase transitions, while the lighter ones only hold one. TbTe$_3$ is claimed to belong to the latter. However in this work we present evidences that TbTe$_3$ also possesses more than one CDW order. Aside from the one at 336 K, which was extensively studied and reported to be driven by imperfect Fermi surface nesting with a wave vector $q=(2/7 c^*)$, a new CDW energy gap (260 meV) develops at around 165 K, revealed by both infrared reflectivity spectroscopy and ultrafast pump-probe spectroscopy. More intriguingly, the origin of this energy gap is different from the second CDW order in the heavier R ions-based compounds RTe$_3$ (R=Dy, Ho, Er and Tm).
description: 6 pages, 4 figures; to be published in Phys. Rev. B
РАЗРАБОТКА ЭМГ-ДАТЧИКА ДЛЯ УПРАВЛЕНИЯ РОБОТОТЕХНИЧЕСКИМИ УСТРОЙСТВАМИ
Creators: name: В.С. Шушпанников
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: нейроинтерфейсы
электромиография
робототехника
управление
датчик.

description: В статье рассмотрены практические вопросы применения электромиографии, возможности применения полученных с помощью электромиографии сигналов для управления робототехническими устройствами, а также приведена схема датчика, используемого для получения электромиографического сигнала, и его реализация по данной схеме.
ВИДЫ И ТЕНДЕНЦИИ ПРИМЕНЕНИЯ МЕТОДОЛОГИЙ РАЗРАБОТКИ В СОВРЕМЕННЫХ РОССИЙСКИХ ОРГАНИЗАЦИЯХ
Creators: name: А.Г. Сербин
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: методологии разработки ПО
Waterfall
Agile
Scrum
Spiral
стартап.

description: Статья посвящена современным подходам к разработке программных продуктов. В рамках статьи выделены наиболее востребованные методологии разработки в российских компаниях в настоящее время. В статье выделены основные особенности процесса разработки ПО, выделены основные специалисты, которые входят в команду разработки. Так же выделены основные риски, с которыми компании сталкиваются в процессе разработки ПО и пути их снижения.
РАЗРАБОТКА МОБИЛЬНОГО ПРИЛОЖЕНИЯ С ФУНКЦИЕЙ СПОРТИВНОГО КЛАССИФИКАТОРА
Creators: name: К.О. Вологиров
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: мобильное приложение
классификация
спортивные данные
платформа Unity.

description: В данной статье описывается процесс создания мобильного приложения с помощью движка Unity для платформ IOS и Android, позволяющее классифицировать футболиста в одну из двух групп на основе его статистических характеристик как игрока с атакующим или защитным потенциалом. Классификация производится на основе дискриминантной функции, параметры которой настраиваются на основе кросс-валидации.
Multiple Access Analog Fountain Codes
Creators: name: Shirvanimoghaddam, Mahyar
name: Li, Yonghui
name: Vucetic, Branka
Publisher: name: arXiv
Year: 2014
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: In this paper, we propose a novel rateless multiple access scheme based on the recently proposed capacity-approaching analog fountain code (AFC). We show that the multiple access process will create an equivalent analog fountain code, referred to as the multiple access analog fountain code (MA-AFC), at the destination. Thus, the standard belief propagation (BP) decoder can be effectively used to jointly decode all the users. We further analyse the asymptotic performance of the BP decoder by using a density evolution approach and show that the average log-likelihood ratio (LLR) of each user's information symbol is proportional to its transmit signal to noise ratio (SNR), when all the users utilize the same AFC code. Simulation results show that the proposed scheme can approach the sum-rate capacity of the Gaussian multiple access channel in a wide range of signal to noise ratios.
description: To appear in IEEE International Symposium on Information Theory (ISIT), Honolulu, HI, USA, 2014
Complete Bredon cohomology and its applications to hierarchically defined groups
Creators: name: Nucinkis, Brita E. A.
name: Petrosyan, Nansen
Publisher: name: arXiv
Year: 2014
Subjects: subject: Group Theory (math.GR)
subject: Algebraic Topology (math.AT)
subject: FOS: Mathematics
subject: 20J05

description: By considering the Bredon analogue of complete cohomology of a group, we show that every group in the class $\LHFF$ of type Bredon-$\FP_\infty$ admits a finite dimensional model for $\EFG$. We also show that abelian-by-infinite cyclic groups admit a $3$-dimensional model for the classifying space for the family of virtually nilpotent subgroups. This allows us to prove that for $\mF,$ the class of virtually cyclic groups, the class of $\LHFF$-groups contains all locally virtually soluble groups and all linear groups over $\mathbb C$ of integral characteristic.
description: 14 pages
Detecting a decline in serial homicide: Have we banished the devil from the details?
Creators: name: Yaksic, Enzo
name: Allely, Clare
name: De Silva, Raneesha
name: Smith-Inglis, Melissa
name: Konikoff, Daniel
name: Ryan, Kori
name: Gordon, Dan
name: Denisov, Egor
name: Keatley, David A.
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biotechnology
subject: Ecology
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Mental Health
subject: Hematology
subject: Computational Biology

description: The current research provides perspective regarding the true prevalence of serial murderers in modern society and addresses the conflict between the evidenced decline in serial homicide and the viewpoint that the phenomenon is increasing. The likelihood that serial murderers are responsible for most unresolved homicides and missing persons is examined in the context of a declining prevalence. A mixed methods approach was used, consisting of a review of a sample of unresolved homicides, a comparative analysis of the frequency of known serial homicide series and unresolved serial homicide series, and semi-structured interviews of experts. In failing to become serial killers, aspiring and probable serial killers and spree killers have impacted the rate of serial murder by not reaching their potential. The past decade contained almost half the cases (13%) that existed at the 1980s peak of serial homicide (27%). Only 282 (1.3%) strangled females made up the 22,444 unresolved homicides reviewed. Most expert respondents thought it unreasonable that any meaningful proportion of missing persons cases are victims of serial homicide. Technology, shifts in offending behavior, proactive law enforcement action, and vigilance of society have transformed serial killing and aids in viewing offenders as people impacted by societal shifts and cultural norms. The absence of narrative details inhibited some aspects of the review. An exhaustive list of known unresolved serial homicide series remained elusive as some missing persons are never reported. Future research should incorporate those intending to murder serially, but whose efforts were stalled by arrest, imprisonment, or death.
Protocol for a systematic map of the evidence of migrating and extractable chemicals from food contact articles
Creators: name: Martin, Olwenn V.
name: Geueke, Birgit
name: Groh, Ksenia J.
name: Chevrier, Jonathan
name: Fini, Jean-Baptiste
name: Houlihan, Jane
name: Kassotis, Christopher
name: Myers, Pete
name: Nagel, Susan C.
name: Pelch, Katherine E.
name: Sargis, Robert M.
name: Trasande, Leonardo
name: Vandenberg, Laura N.
name: Wagner, Martin
name: Maffini, Maricel V.
name: Muncke, Jane
Publisher: name: Zenodo
Year: 2018
Subjects: food contact
food packaging
chemical migration
evidence mapping

description: Protocol for a systematic map of the evidence of migrating and extractable chemicals from food contact articles
ДЕТЕКЦИЯ ПОИСКОВОГО СПАМА МЕТОДОМ РЕШАЮЩИХ ДЕРЕВЬЕВ
Creators: name: А.А. Гаврилова
name: Н.Ю. Добровольская
Publisher: name: Прикладная математика: современные проблемы математики, информатики и моделирования
Year: 2020
Subjects: веб-спам
классификация поискового спама
решающие деревья
машинное обучение
фильтрация спама.

description: В статье предлагается модель машинного обучения, позволяющая по определенному набору признаков определить, является ли страница спамом или нет. При обучении классификатора используются как признаки содержания страницы (content-based features), которые используются повсеместно в настоящее время при выявлении подозрительных веб-сайтов, так и ссылочные признаки (link-based features), что позволяет объединить оба подхода для лучшего решения поставленной задачи.
“This book is my life…”: A qualitative feasibility study on the use of a self-management support tool
Creators: name: Dube, Loveness
name: Bergh, Anne-Marie
name: van den Broucke, Stephan
name: D’Hoore, William
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Medicine
subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: As self-management support is a cost-effective way to enable patients to take an active role in managing their own condition and to address the chronic disease burden, there is a need for contextually appropriate self-management support tools. This study explored the feasibility of using a contextually adapted self-management care-plan booklet for diabetes and hypertension for use in medical consultations in a middle-income country. Focus groups and individual interviews with patients and health care providers were conducted in three primary health care facilities. Four relevant focus areas for feasibility studies were used as the lens for data analysis: acceptability, demand, implementation, practicality. The study revealed a high acceptance of the care-plan booklet by both patients and providers. Patients reported that the booklet increased their knowledge of their conditions. They also indicated that they would share the booklet with friends and families and expressed the need to use it with their providers. Providers mentioned that community health workers and health promoters could play an important role in implementing the tool. The findings of this study contribute to the knowledge base needed for the development and adoption of the self-management component of the South African integrated chronic diseases model. The care-plan booklet can be used to stimulate the interaction between patients, providers and/or family and friends.