cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: ÐÐ¾Ð»Ð½Ð¸ÐµÐ·Ð°ÑÐ¸ÑÐ° Ð¿Ð¾Ð´ÑÑÐ°Ð½ÑÐ¸Ð¹ 150 ÐºÐ Ð¿ÑÐ¸ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ð¸ ÑÐ¾Ð²ÑÐµÐ¼ÐµÐ½Ð½ÑÑ Ð³ÑÐ¾Ð·Ð¾Ð·Ð°ÑÐ¸ÑÐ½ÑÑ Ð°Ð¿Ð¿Ð°ÑÐ°ÑÐ¾Ð²
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: Lightning protection of 150 kV substations using modern lightning protection devices
Creators: name: ÐÐ¸ÑÐ°Ð¹Ð»Ð¾Ð², ÐÑÑÐµÐ¼
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: Ð²Ð¾Ð·Ð´ÑÑÐ°Ñ Ð»Ð¸Ð½Ð¸Ñ
Ð¿ÐµÑÐµÐ½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ðµ
Ð³ÑÐ¾Ð·Ð¾Ð·Ð°ÑÐ¸ÑÐ°
Ð³ÑÐ¾Ð·Ð¾Ð²Ð¾Ðµ Ð²Ð¾Ð·Ð´ÐµÐ¹ÑÑÐ²Ð¸Ðµ
Ð¿Ð¾Ð´ÑÑÐ°Ð½ÑÐ¸Ñ
Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ñ Ð½Ð°Ð´ÑÐ¶Ð½Ð¾ÑÑÐ¸
air line
overvoltage
threating protection
threater exposure
substation
reliability indicator

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¸Ð·Ð»Ð¾Ð¶ÐµÐ½Ð° Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¿Ð¾ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¼Ð¾Ð»Ð½Ð¸ÐµÐ·Ð°ÑÐ¸ÑÑ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð¿Ð¾Ð´ÑÑÐ°Ð½ÑÐ¸Ð¹. ÐÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½Ñ Ð¾Ð¿ÑÑÑ Ð¿Ð¾ ÑÐ°ÑÑÐµÑÑ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹ Ð½Ð°Ð´ÑÐ¶Ð½Ð¾ÑÑÐ¸ Ð¼Ð¾Ð»Ð½Ð¸ÐµÐ·Ð°ÑÐ¸ÑÑ, ÑÐ¼Ð¾Ð´ÐµÐ»Ð¸ÑÐ¾Ð²Ð°Ð½Ð½ÑÐµ Ð¿ÑÐ¸ Ð¿Ð¾Ð¼Ð¾ÑÐ¸ Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ñ Â«ÐÐ¸Ð½ÑÐºÂ». ÐÑÐ¸Ð²ÐµÐ´ÐµÐ½Ð¾ ÑÐ¾Ð¿Ð¾ÑÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ Ð¿Ð¾Ð»ÑÑÐµÐ½Ð½ÑÑ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð² Ð´Ð»Ñ ÑÐ°Ð·Ð½ÑÑ ÑÐ¸Ð¿Ð¾Ð² Ð·Ð°ÑÐ¸ÑÑ Ð¿Ð¾Ð´ÑÑÐ°Ð½ÑÐ¸Ð¸ Ñ Ð´Ð¾Ð¿ÑÑÑÐ¸Ð¼ÑÐ¼Ð¸ Ð·Ð½Ð°ÑÐµÐ½Ð¸ÑÐ¼Ð¸ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»ÐµÐ¹ Ð½Ð°Ð´ÑÐ¶Ð½Ð¾ÑÑÐ¸ Ð³ÑÐ¾Ð·Ð¾Ð·Ð°ÑÐ¸ÑÑ.
description: This paper presents information on the study of lightning protection of electrical substations. Experiments on the calculation of lightning protection reliability indicators, modeled using the Minsk program, are presented. A comparison of the results obtained for different types of substation protection with acceptable values of lightning protection reliability indicators is given.
title: Artificial intelligence for downhole tools
title: Τεχνολογίες τεχνητής νοημοσύνης στην ανάπτυξη εργαλείων εντός της γεώτρησης για τον έλεγχο παραγωγής σε ταμιευτήρες πετρελαίου / φυσικού αερίου
Creators: name: El-Khoury Joe
Publisher: name: Technical University of Crete
Year: 2021

description: The introduction of revolutionizing methods in the Gas and Oil sector is a challenging task, especially when these methods interfere with high-risk activities in terms of operation, investment, personnel welfare and the environment. Despite the great caution in introducing new technologies, the oil and gas industry remains open to new technologies to optimize and streamline existing processes. The low price period for oil and gas that came along with the Covid-19 restrictions further fueled the rate at which the specific industry adopts new technologies in order to cope with such challenges.
The scope of the thesis is to review the artificial intelligence methods that apply to downhole equipment in the production sector of the oil/gas industry. In the first part of this work, the history of the two distinct disciplines (oil and gas and the artificial intelligence) will be connected throughout a timeline and explain the one can benefit from the other. Subsequently, two case studies will be discussed in order to study the efficiency of AI in production and workover.
The first case study is a virtual flow meter, which is a convenient substitute of physical sensors it uses available data in instrumented wells to predict other measurements (oil, water and gas flowrates). Most of the oil and gas production flowrates change with the production time, so it is necessary to recalibrate the virtual flow meter model periodically. The model runs on a dataset generated from a physics-based software (Pipesim software). The dataset was initially modified in python to make the dataset more suitable for introducing it to the virtual flowmeter model in order to set the initial parameters of the instrument. The same python code can be implemented to predict the behavior of an ESP throughout the lifetime of a field and to optimize the performance of an ESP according to the current reservoir and well conditions. The virtual flowmeter aims at predicting the multiphase flowrates based on the readings of the ESP pump downhole. Several models were considered as candidates for the virtual flowmeter. The final model (MLP) was then selected after cross-validation and hyperparameters tuning of each candidate model. The accuracy of the selected model exceeded 99% of the dataset values.
The second case study is a Bayesian network model for predicting the root cause of ESP breakdown (or stoppage). The results match with the actual assessment of the service engineer, when the latter inspected the motor caused after the pump’s failure. A third case study describes a reinforcement learning technique to autonomously make decisions for an injection well in order to keep the reservoir pressure within an optimal range, while decrease the cost. The model was able to reduce the cost by 57%.
Representation of Nelson Algebras by Rough Sets Determined by Quasiorders
Creators: name: Järvinen, Jouni
name: Radeleczki, Sándor
Publisher: name: arXiv
Year: 2010
Subjects: subject: Representation Theory (math.RT)
subject: FOS: Mathematics
subject: 06B15 (Primary), 06D30, 08A05, 68T37, 06D10 (Secondary)

description: In this paper, we show that every quasiorder $R$ induces a Nelson algebra $\mathbb{RS}$ such that the underlying rough set lattice $RS$ is algebraic. We note that $\mathbb{RS}$ is a three-valued Łukasiewicz algebra if and only if $R$ is an equivalence. Our main result says that if $\mathbb{A}$ is a Nelson algebra defined on an algebraic lattice, then there exists a set $U$ and a quasiorder $R$ on $U$ such that $\mathbb{A} \cong \mathbb{RS}$.
description: 16 pages
Code and Data for "Ferropericlase control of lower mantle rheology: Impact of phase morphology"
Creators: name: Thielmann, Marcel
Publisher: name: figshare
Year: 2019
Subjects: subject: 40402 Geodynamics
subject: FOS: Earth and related environmental sciences
subject: 40403 Geophysical Fluid Dynamics

description: This folder contains the code and data accompanying G-cubed submission 2019GC008688. Code and data are stored in CODE_PUBLIC.zip. See README for details.
title: ÐÐ¿ÑÐµÐ´ÐµÐ»ÐµÐ½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½ÑÑ ÑÐ²Ð¾Ð¹ÑÑÐ² Ð³Ð¾ÑÐ½ÑÑ Ð¿Ð¾ÑÐ¾Ð´
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
Creators: name: ÐÐ°ÑÐ°Ð½Ð³Ð¾Ð², ÐÐ°ÑÐ°Ðº
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: 2020
Subjects: ÐÐ·Ð²ÐµÑÑÐ½ÑÐºÐ¸
Ð¼Ð¸ÐºÑÐ¾Ð¼ÐµÑ Ð°Ð½Ð¸ÐºÐ°
ÑÑÑÐµÐºÑÐ¸Ð²Ð½ÑÐµ ÑÐ²Ð¾Ð¹ÑÑÐ²Ð°
Ð¾Ð¾Ð»Ð¸ÑÐ¾Ð²ÑÐ¹ Ð¸Ð·Ð²ÐµÑÑÐ½ÑÐº
ÑÐµÐ½Ð·Ð¾Ñ Ð¶ÐµÑÑÐºÐ¾ÑÑÐ¸
ÑÐµÐ½Ð·Ð¾Ñ Ð¿Ð¾Ð´Ð°ÑÐ»Ð¸Ð²Ð¾ÑÑÐ¸
ÑÐµÐ½Ð·Ð¾Ñ Ð²ÐºÐ»Ð°Ð´Ð°
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ÑÑ ÐµÐ¼Ð° ÐÐ°ÐºÑÐ²ÐµÐ»Ð»Ð°

description: ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° ÑÐ¾Ð·Ð´Ð°Ð½Ð¸Ñ Ð¼Ð¸ÐºÑÐ¾Ð¼ÐµÑÐ°Ð½Ð¸ÑÐµÑÐºÐ¾Ð¹ Ð¼Ð¾Ð´ÐµÐ»Ð¸ Ð¾Ð¾Ð»Ð¸ÑÐ¾Ð²Ð¾Ð³Ð¾ Ð¸Ð·Ð²ÐµÑÑÐ½ÑÐºÐ° Ð¼ÐµÑÐ¾Ð´Ð¾Ð¼ ÐÐ°ÐºÑÐ²ÐµÐ»Ð»Ð°. Ð ÑÐ¾Ð´Ðµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð±ÑÐ»Ð° Ð¾Ð¿Ð¸ÑÐ°Ð½Ð° ÑÑÑÑÐºÑÑÑÐ° Ð¾Ð¾Ð»Ð¸ÑÐ¾Ð²Ð¾Ð³Ð¾ Ð¸Ð·Ð²ÐµÑÑÐ½ÑÐºÐ°, Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ð° Ð¼Ð¸ÐºÑÐ¾Ð¼ÐµÑÐ°Ð½Ð¸ÑÐµÑÐºÐ°Ñ Ð¼Ð¾Ð´ÐµÐ»Ñ, ÑÐ¾Ð´ÐµÑÐ¶Ð°ÑÐ°Ñ 3 Ð²Ð¸Ð´Ð° Ð²ÐºÐ»ÑÑÐµÐ½Ð¸Ð¹. ÐÑÐµÐ½ÐµÐ½ Ð²ÐºÐ»Ð°Ð´ Ð² Ð¿Ð¾Ð´Ð°ÑÐ»Ð¸Ð²Ð¾ÑÑÑ ÐºÐ°Ð¶Ð´Ð¾Ð³Ð¾ Ð²ÐºÐ»ÑÑÐµÐ½Ð¸Ñ, Ð¿Ð¾ÑÑÑÐ¾ÐµÐ½Ñ Ð³ÑÐ°ÑÐ¸ÐºÐ¸ Ð·Ð°Ð²Ð¸ÑÐ¸Ð¼Ð¾ÑÑÐ¸ ÑÑÑÐµÐºÑÐ¸Ð²Ð½ÑÑ ÑÐ¿ÑÑÐ³Ð¸Ñ ÑÐ²Ð¾Ð¹ÑÑÐ² Ð¾Ñ ÐºÐ¾Ð½ÑÐµÐ½ÑÑÐ°ÑÐ¸Ð¸ Ð²ÐºÐ»ÑÑÐµÐ½Ð¸Ñ.
description: This work is devoted to the creation of a micromechanical model of oolitic limestone by the Maxwell method. The study described the structure of oolitic limestone and constructed a micromechanical model containing 3 types of inclusions. The contribution to the malleability of each inclusion is estimated, and graphs of the dependence of effective elastic properties on the inclusion concentration are constructed.
The optical response of silicon thin-films grown by ultra-high-vacuum evaporation
Creators: name: Moghaddam, Saeed
Publisher: name: University of British Columbia
Year: 2022

description: Conventional forms of silicon thin-film, prepared through the use of a plasma, offer a variety of attractive electronic properties but are prone to an instability. Hydrogen atoms are believed to be the source of the instability. Accordingly, experimental collaborators at the National Research Council of Canada employed ultra-high-vacuum evaporation to prepare thin-films of silicon on optical quality fused quartz substrates, which allow for a great deal of atomic species control during the growth process. The optical properties associated with these ultra-high-vacuum prepared forms of silicon thin-film are examined. In particular, through experimental measurements of the specular reflectance spectrum at near-normal incidence and the regular transmittance spectrum at normal incidence, the spectral dependence of the optical functions is resolved for eleven silicon thin- films, deposited at different growth temperatures. Generally, the refractive index increases in response to increases in the growth temperature. The optical absorption spectral dependence is also observed to exhibit a fundamental transition in its behavior with increases in the growth temperature. These observations are related to the changes that occur in the crystalline volume fraction accompanying increases in the growth temperature. A detailed quantitative uncertainty analysis is also performed. Drawing upon X-ray diffraction results, a placement of these silicon thin-films into the overall silicon thin-film continuum is then performed. Raman spectral results are then correlated with the refractive index's spectral dependence. The Raman spectrum of a given silicon thin-film allows for a probe of the order, correlating the Raman results with the optical function results providing one with the opportunity to probe how disorder influences the optical functions. All measures of order suggest that the order increases in response to increases in the growth temperature. Finally, the device implications of these results are explored, with a focus on photovoltaic device applications. It is concluded that this particular form of silicon thin- fil is a promising material for use as the absorbing media within solar cells, offering an enhancement in the absorption which is greater than that offered by conventional plasma prepared silicon thin-films.
Port Protocols for Deadlock-Freedom of Component Systems
Creators: name: Lambertz, Christian
name: Majster-Cederbaum, Mila
Publisher: name: arXiv
Year: 2010
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: In component-based development, approaches for property verification exist that avoid building the global system behavior of the component model. Typically, these approaches rely on the analysis of the local behavior of fixed sized subsystems of components. In our approach, we want to avoid not only the analysis of the global behavior but also of the local behaviors of the components. Instead, we consider very small parts of the local behaviors called port protocols that suffice to verify properties.
description: In Proceedings ICE 2010, arXiv:1010.5308
Gapped Two-Body Hamiltonian for continuous-variable quantum computation
Creators: name: Aolita, Leandro
name: Roncaglia, Augusto J.
name: Ferraro, Alessandro
name: Acín, Antonio
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce a family of Hamiltonian systems for measurement-based quantum computation with continuous variables. The Hamiltonians (i) are quadratic, and therefore two body, (ii) are of short range, (iii) are frustration-free, and (iv) possess a constant energy gap proportional to the squared inverse of the squeezing. Their ground states are the celebrated Gaussian graph states, which are universal resources for quantum computation in the limit of infinite squeezing. These Hamiltonians constitute the basic ingredient for the adiabatic preparation of graph states and thus open new venues for the physical realization of continuous-variable quantum computing beyond the standard optical approaches. We characterize the correlations in these systems at thermal equilibrium. In particular, we prove that the correlations across any multipartition are contained exactly in its boundary, automatically yielding a correlation area law.
description: 4 pages, one figure. New version: typos corrected, one reference added. To appear in PRL
title: ÐÑÐ°Ð²Ð¾Ð²ÑÐµ Ð°ÑÐ¿ÐµÐºÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð¾xÑÐ°Ð½Ñ Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ Ð² Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿ÑÐ¸ÑÐ¾Ð´Ð¾Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Legal aspects of information support of environmental protection in the process of environmental management
Creators: name: ÐÐ¸ÑÐºÐ¾, ÐÐºÐ°ÑÐµÑ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: Ð­ÐºÐ¾Ð»Ð¾Ð³Ð¸Ñ
ÐÑ ÑÐ°Ð½Ð° Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ
ÐÐ½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½ÑÐµ ÑÐ¸ÑÑÐµÐ¼Ñ
Ð¿Ð¾Ð»Ð¸ÑÐ¸ÐºÐ°
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ÑÐºÐ¾Ð»Ð¾Ð³Ð¾-Ð¿ÑÐ°Ð²Ð¾Ð²ÑÐµ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ñ

description: ÐÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾-Ð¿ÑÐ°Ð²Ð¾Ð²Ð¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð¾xÑÐ°Ð½Ñ Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ Ð² Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿ÑÐ¸ÑÐ¾Ð´Ð¾Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ Ð½Ð° ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½Ð¾Ð¹ Ð¾ÑÐ½Ð¾Ð²Ðµ. Ð ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ½ÑÐ¹ Ð°Ð½Ð°Ð»Ð¸Ð· Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð³Ð¾ Ð¼ÐµÑÐ°Ð½Ð¸Ð·Ð¼Ð° Ð¾xÑÐ°Ð½Ñ Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ Ð² Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿ÑÐ¸ÑÐ¾Ð´Ð¾Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ. Ð Ð°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð° ÑÑÐµÑÐ½ÑÑ Ð´ÐµÑÑÐµÐ»ÑÐ½Ð¾ÑÑÑ, Ð³Ð¾ÑÑÐ´Ð°ÑÑÑÐ²ÐµÐ½Ð½ÑÐµ ÐºÐ°Ð´Ð°ÑÑÑÑ Ð¸ ÑÐµÐµÑÑÑÑ Ð¿ÑÐ¸ÑÐ¾Ð´Ð½Ñx ÑÐµÑÑÑÑÐ¾Ð² Ð² Ð¾Ð±Ð»Ð°ÑÑÐ¸ Ð¾xÑÐ°Ð½Ñ Ð¾ÐºÑÑÐ¶Ð°ÑÑÐµÐ¹ ÑÑÐµÐ´Ñ Ð² Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¿ÑÐ¸ÑÐ¾Ð´Ð¾Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ. ÐÐ½ÐµÑÐµÐ½Ñ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ñ Ð¿Ð¾ ÑÐ¾Ð²ÐµÑÑÐµÐ½ÑÑÐ²Ð¾Ð²Ð°Ð½Ð¸Ñ Ð·Ð°ÐºÐ¾Ð½Ð¾Ð´Ð°ÑÐµÐ»ÑÑÑÐ²Ð° Ð Ð¾ÑÑÐ¸Ð¹ÑÐºÐ¾Ð¹ Ð¤ÐµÐ´ÐµÑÐ°ÑÐ¸Ð¸.
description: The diploma work is devoted to the study of information and legal support of environmental protection in the process of environmental management on an integrated basis. The paper presents a comprehensive analysis of the information mechanism of environmental protection in the process of environmental management. Accounting activities, state cadastres and registers of natural resources in the field of environmental protection in the process of nature management are considered. Proposals to improve the legislation of the Russian Federation were made.
A Graphical Approach to Progress for Structured Communication in Web Services
Creators: name: Carbone, Marco
name: Debois, Søren
Publisher: name: arXiv
Year: 2010
Subjects: subject: Programming Languages (cs.PL)
subject: Logic in Computer Science (cs.LO)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: We investigate a graphical representation of session invocation interdependency in order to prove progress for the pi-calculus with sessions under the usual session typing discipline. We show that those processes whose associated dependency graph is acyclic can be brought to reduce. We call such processes transparent processes. Additionally, we prove that for well-typed processes where services contain no free names, such acyclicity is preserved by the reduction semantics. Our results encompass programs (processes containing neither free nor restricted session channels) and higher-order sessions (delegation). Furthermore, we give examples suggesting that transparent processes constitute a large enough class of processes with progress to have applications in modern session-based programming languages for web services.
description: In Proceedings ICE 2010, arXiv:1010.5308
Code and Data for "Ferropericlase control of lower mantle rheology: Impact of phase morphology"
Creators: name: Thielmann, Marcel
Publisher: name: figshare
Year: 2021
Subjects: subject: 40402 Geodynamics
subject: FOS: Earth and related environmental sciences
subject: 40403 Geophysical Fluid Dynamics

description: This folder contains the code and data accompanying G-cubed submission 2019GC008688. Code and data are stored in CODE_PUBLIC.zip. See README for details.
Modeling of Time with Metamaterials
Creators: name: Smolyaninov, Igor I.
name: Hung, Yu-Ju
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Metamaterials have been already used to model various exotic "optical spaces". Here we demonstrate that mapping of monochromatic extraordinary light distribution in a hyperbolic metamaterial along some spatial direction may model the "flow of time". This idea is illustrated in experiments performed with plasmonic hyperbolic metamaterials. Appearance of the "statistical arrow of time" is examined in an experimental scenario which emulates a Big Bang-like event.
description: 15 pages, 4 figures, this version is accepted for publication in JOSA B
On the way to meet the experimental observation of persistent current in a mesoscopic cylinder: A mean field study
Creators: name: Maiti, Santanu K.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The behavior of persistent current in a mesoscopic cylinder threaded by an Aharonov-Bohm flux $ϕ$ is carefully investigated within a Hartree-Fock mean field approach. We examine the combined effect of second-neighbor hopping integral and Hubbard correlation on the enhancement of persistent current in presence of disorder. A significant change in current amplitude is observed compared to the traditional nearest-neighbor hopping model and the current amplitude becomes quite comparable to experimental realizations. Our analysis is found to exhibit several interesting results which have so far remained unaddressed.
description: 9 pages, 8 figures
History-sensitive versus future-sensitive approaches to security in distributed systems
Creators: name: Hernandez, Alejandro Mario
name: Nielson, Flemming
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cryptography and Security (cs.CR)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Programming Languages (cs.PL)
subject: FOS: Computer and information sciences

description: We consider the use of aspect-oriented techniques as a flexible way to deal with security policies in distributed systems. Recent work suggests to use aspects for analysing the future behaviour of programs and to make access control decisions based on this; this gives the flavour of dealing with information flow rather than mere access control. We show in this paper that it is beneficial to augment this approach with history-based components as is the traditional approach in reference monitor-based approaches to mandatory access control. Our developments are performed in an aspect-oriented coordination language aiming to describe the Bell-LaPadula policy as elegantly as possible. Furthermore, the resulting language has the capability of combining both history- and future-sensitive policies, providing even more flexibility and power.
description: In Proceedings ICE 2010, arXiv:1010.5308
Sexuality education and socialization for British Columbia's youth and the increasingly influential role of social media : for better or worse?
Creators: name: Chong, Charlene
Publisher: name: University of British Columbia
Year: 2022

description: A flawed and inadequate school-based sexual health education in Canada leaves adolescents both unhappy and unequipped to care for their health. To help fill these sexual health gaps, they turn to other avenues, one being social media. However, these experiences of sexual socialization via social media are understudied. As such, this convergent mixed-method design with an emphasis on the qualitative explored sexual health education, in school and social media, through the perspectives of adolescents. Data were collected through anonymous surveys from 11 participants (ages 17-19). Three themes emerged from analysis: 1) Variety of topics in school-based sexual health education; 2) Various ways of obtaining information; and 3) Using social media to gain a sense of belonging. Youth in this study were interested in learning a variety of sexual health topics yet found their school-based education at best, failed to either reflect this interest, or at worst, made participants feel uncomfortable and shameful. Two significant ways sexual health information was shared were through friends and social media. Friends and social media were a supportive approach and space to discuss curiosities and share experiences with the added facet that social media can also inadvertently introduce youth to unfamiliar content. For youth, particularly marginalized adolescents like LGBTQ2IA+ youth, social media and its online community proved critical in discovering and forming their own sexual identities – helping to gain a sense of belonging. However, social media can be incorrect, and ineffective at connecting all users to appropriate sexual health content. While social media can be used in conjunction with school-based education, the findings suggests that at this time, it cannot be a stand-alone solution. It is thus, considerably crucial that school-based sexual health education be changed and improved to be comprehensive and inclusive.
title: ÐÑÐ¾Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ðµ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸ Ð½Ð° ÑÑÐ½ÐºÐµ B2B (Ð½Ð° Ð¿ÑÐ¸Ð¼ÐµÑÐµ OOO Â«ÐÐ Ð¢-Ð¢ÐÐÐÂ»)
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: Promotion of the company in the B2B market (on the example of ART-TOYS LLC)
Creators: name: ÐÐ¾Ð¹ÑÐµÐ², ÐÐ²Ð°Ð½
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: 2021
Subjects: Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²ÑÐµ ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¸
b2b
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Ð±ÑÐµÐ½Ð´ Â«magformersÂ»
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ÐºÐ¾Ð¼Ð¼ÐµÑÑÐµÑÐºÐ¾Ðµ Ð¿ÑÐµÐ´Ð»Ð¾Ð¶ÐµÐ½Ð¸Ðµ
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marketing communications
e-mail marketing
sales channels
media plan
video hosting
event marketing
industry exhibition
so-cial networks
art toys llc
magformers brand
calendar plan
commercial offer
partner

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ Ð²ÑÐ¿ÑÑÐºÐ½Ð¾Ð¹ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð°ÑÑÐ¸Ð²Ð°ÐµÑÑÑ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼Ð° Ð¿ÑÐ¾Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸-Ð´Ð¸ÑÑÑÐ¸Ð±ÑÑÑÐ¾ÑÐ° Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ ÑÐ²Ð¾Ð±Ð¾Ð´Ð½Ð¾Ð¹ ÐºÐ¾Ð½ÐºÑÑÐµÐ½ÑÐ¸Ð¸ Ð² ÑÐ°Ð¼ÐºÐ°Ñ ÑÑÐ½ÐºÐ° Ð´ÐµÑÑÐºÐ¸Ñ ÑÐ¾Ð²Ð°ÑÐ¾Ð². Ð Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ð¸ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ð¾ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¼Ð½Ð¾Ð¶ÐµÑÑÐ²Ð° Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ¾Ð² Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²ÑÑ ÐºÐ¾Ð¼Ð¼ÑÐ½Ð¸ÐºÐ°ÑÐ¸Ð¹, Ð¸Ñ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ Ð² ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸, Ð¾ÑÐ½Ð¾ÑÑÑÐµÐ¹ÑÑ Ðº ÑÐµÐ³Ð¼ÐµÐ½ÑÑ Ð¼Ð°Ð»Ð¾Ð³Ð¾ Ð±Ð¸Ð·Ð½ÐµÑÐ° Ð² Ð¾Ð±Ð»Ð°ÑÑÐ¸ B2B. Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·Ð¸ÑÐ¾Ð²Ð°Ð½ Ð¿ÑÐ¾ÑÐµÑÑ Ð¿ÑÐ¾Ð´Ð²Ð¸Ð¶ÐµÐ½Ð¸Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸ Ð² ÑÑÐµÑÐµ B2B, Ð±Ð¾Ð»ÐµÐµ ÑÐ¾Ð³Ð¾ Ð¿ÑÐµÐ´ÑÑÐ°Ð²Ð»ÐµÐ½ Ð·Ð°ÑÑÐ±ÐµÐ¶Ð½ÑÐ¹ Ð¾Ð¿ÑÑ ÑÐµÐ°Ð»Ð¸Ð·Ð°ÑÐ¸Ð¸ Ð¼Ð°ÑÐºÐµÑÐ¸Ð½Ð³Ð¾Ð²ÑÑ Ð¸Ð½ÑÑÑÑÐ¼ÐµÐ½ÑÐ¾Ð² Ð´Ð»Ñ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸ Ð² Ð¾Ð±Ð»Ð°ÑÑÐ¸ B2B.
description: This final qualifying work examines the problem of promoting a distributor company in conditions of free competition within the framework of the children's goods market. The study examines the use of a variety of marketing communications tools, their application in a company belonging to the small business segment in the B2B field. This paper analyzes the process of promoting a company in the B2B field, moreover, presents the foreign experience in the implementation of marketing tools for the development of a company in the B2B field.
Photometric determination of the mass accretion rates of pre-main sequence stars. II. NGC346 in the Small Magellanic Cloud
Creators: name: De Marchi, Guido
name: Panagia, Nino
name: Romaniello, Martino
name: Sabbi, Elena
name: Sirianni, Marco
name: Moroni, Pier Giorgio Prada
name: Degl'Innocenti, Scilla
Publisher: name: arXiv
Year: 2011
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: [Abridged] We have studied the properties of the stellar populations in the field of the NGC346 cluster in the Small Magellanic Cloud, using a novel self-consistent method that allows us to reliably identify pre-main sequence (PMS) objects actively undergoing mass accretion, regardless of their age. The method does not require spectroscopy and combines broad-band V and I photometry with narrow-band Halpha imaging to identify all stars with excess Halpha emission and derive the accretion luminosity Lacc and mass accretion rate Macc for all of them. The application of this method to existing HST/ACS photometry of the NGC346 field has allowed us to identify and study 680 bona-fide PMS stars with masses from ~0.4 to ~4 Msolar and ages in the range from ~1 to ~30 Myr. This is the first study to reveal that, besides a young population of PMS stars (~ 1 Myr old), in this field there is also an older population of PMS objects with a median age of ~20 Myr. We provide for all of them accurate physical parameters. We study the evolution of the mass accretion rate as a function of stellar parameters and find that logMacc ~ -0.6 Log t + Log m + c, where t is the age of the star, m its mass and c a quantity that is higher at lower metallicity. The high mass accretion rates that we find suggest that a considerable fraction of the stellar mass is accreted during the PMS phase and that PMS evolutionary models that do not account for this effect will systematically underestimate the true age when compared with the observations.
description: Accepted for publication in the ApJ. 14 pages, 11 figures. Corrected typos and references
Gender Agreement Mismatches in Heritage Greek
Creators: name: Alexiadou, Artemis
name: Rizou, Vasiliki
name: Tsokanos, Nikolaos
name: Karkaletsou, Foteini
Publisher: name: Humboldt-Universität zu Berlin
Year: 2020
Subjects: subject: gender
subject: agreement mismatch
subject: neuter
subject: Heritage Greek
subject: clitics
subject: 400 Sprache

description: This paper investigates gender agreement mismatches between nominal expressions and the targets of agreement they control in two groups (adults and adolescents) of Heritage Greek speakers in the USA. On the basis of language production data elicited via a narration task, we show that USA Greek Heritage speakers, unlike monolingual controls, show mismatches in gender agreement. We will show that the mismatches observed differ with respect to the agreement target between groups, i.e., noun phrase internal agreement seems more affected in the adolescent group, while personal pronouns appear equally affected. We will argue that these patterns suggest retreat to default gender, namely neuter in Greek. Neuter emerges as default when no agreement pattern can be established. As adult speakers show less mismatches, we will explore the reasons why speakers improve across the life span.
Safer in the Clouds (Extended Abstract)
Creators: name: Bodei, Chiara
name: Dinh, Viet Dung
name: Ferrari, Gian Luigi
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: We outline the design of a framework for modelling cloud computing systems.The approach is based on a declarative programming model which takes the form of a lambda-calculus enriched with suitable mechanisms to express and enforce application-level security policies governing usages of resources available in the clouds. We will focus on the server side of cloud systems, by adopting a pro-active approach, where explicit security policies regulate server's behaviour.
description: In Proceedings ICE 2010, arXiv:1010.5308
Semiclassical Analysis of the Wigner $9J$-Symbol with Small and Large Angular Momenta
Creators: name: Yu, Liang
name: Littlejohn, Robert G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We derive a new asymptotic formula for the Wigner $9j$-symbol, in the limit of one small and eight large angular momenta, using a novel gauge-invariant factorization for the asymptotic solution of a set of coupled wave equations. Our factorization eliminates the geometric phases completely, using gauge-invariant non-canonical coordinates, parallel transports of spinors, and quantum rotation matrices. Our derivation generalizes to higher $3nj$-symbols. We display without proof some new asymptotic formulas for the $12j$-symbol and the $15j$-symbol in the appendices. This work contributes a new asymptotic formula of the Wigner $9j$-symbol to the quantum theory of angular momentum, and serves as an example of a new general method for deriving asymptotic formulas for $3nj$-symbols.
description: 18 pages, 16 figures. To appear in Phys. Rev. A
Langlands reciprocity for the even dimensional noncommutative tori
Creators: name: Nikolaev, Igor
Publisher: name: arXiv
Year: 2010
Subjects: subject: Operator Algebras (math.OA)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11M55, 46L85

description: We conjecture an explicit formula for the higher dimensional Dirichlet character; the formula is based on the K-theory of the so-called noncommutative tori. It is proved, that our conjecture is true for the two-dimensional and one-dimensional (degenerate) noncommutative tori; in the second case, one gets a noncommutative analog of the Artin reciprocity law.
description: final version; to appear Proc. Amer. Math. Soc
Economic decision making under uncertainty for wildfire fuels mitigation
Creators: name: Scorah, Hugh William
Publisher: name: University of British Columbia
Year: 2022

description: Increases in wildfire suppression cost expenditures, an upward trend in burned area, increasing damages and evacuations, along with research pointing to a worsening trend in all of these areas as a result of climate change is motivating research into methods to limit the consequences of wildfire. My research is chiefly concerned with the use of economic tools to identify the best use of resources when evaluating fuel mitigation efforts both from a project perspective and at the landscape level. Using tools from Extreme Value Theory, I show that the distribution of wildfire costs is not likely to follow a normal distribution and instead is more likely drawn from fat-tailed distributions. This distribution implies that conventional tools of economic analysis, in particular, cost-benefit and cost-effectiveness analysis are not applicable and, if economic tools are to be applied, alternative approaches need to be developed. I present an alternative approach for analyzing individual projects, modeled after banking stress-tests, and apply it to four fuel-treatment case studies in the interior of British Columbia. This approach, called the Defensibility Heuristic, makes use of frontline experience (tacit knowledge), has few data and modeling requirements, and has the potential to quickly rank projects within a government budget and planning cycle that are most likely to protect the most important values. Following the development of this approach for picking fuel treatments in the short run, a tool for making decisions about longer-term forest management concerned with wildfire management is considered. This tool is community-centric as opposed to taking a provincial or federal perspective. Different approaches to ranking outcomes from decision theory were considered in the face of wildfire events that were drawn from a Power Law distribution. The existing decision rules were found wanting and I developed a rule called a Trauma Exposure. This decision rule was applied to the problem of setting annual harvest volumes to show that setting the harvest volume slightly below maximum sustained yield and organizing forest stands into a patchwork is likely to result in a more stable harvest volume over the long run.
GIS for archaeological excavations: Legacy data analysis and Fieldwork recommendations
Creators: name: Witte, Hannah
Publisher: name: Zenodo
Year: 2021
Subjects: Archaeology
GIS
Field Archaeology
Data processing
Data structures
Archaeological legacy data
Archaeological GIS
Archaeological recording methods
Computational Archaeology
Archaeological field method
Heritage data
Legacy data

description: This work aims to investigate the structure of archaeological legacy data. This is undertaken to
 evaluate the possibility of their integration into GIS. From this, recommendations for a GIS-optimized
 field method will be drawn in a first approach. The study is conducted on documentary data samples
 in particular mapping data from various archaeological excavation projects. The samples are
 mainly from excavation projects in the traditional field of german archaeology. In addition, open
 data sets from Great Britain are considered.
 The approach is intended to provide a better understanding of the structure and content of
 archaeological documentation data. Thus, it aims to evaluate and further develop GIS as a recording tool
 for archaeological fieldwork, concerning an efficient and sensible implementation and planning of
 field recording strategies.
 This work's focus and perspective are on improving the process of recording and linking documentation
 data from fieldwork projects directly to GIS processing.
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð¹ ÑÐµÐ·ÐºÐ¸ Ð£Ð¤ - Ð´Ð¸Ð°Ð¿Ð°Ð·Ð¾Ð½Ð°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Development of an optical system for a UV laser cutting machine
Creators: name: ÐÑÑÑÐºÐ¾Ð²Ð°, ÐÐ½Ð°ÑÑ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: ÐÐ¿ÑÐ¸ÐºÐ° Ð½ÐµÐ»Ð¸Ð½ÐµÐ¹Ð½Ð°Ñ
Ð£Ð»ÑÑÑÐ°ÑÐ¸Ð¾Ð»ÐµÑÐ¾Ð²Ð¾Ðµ Ð¸Ð·Ð»ÑÑÐµÐ½Ð¸Ðµ
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¸Ñ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð³Ð°ÑÐ¼Ð¾Ð½Ð¸ÐºÐ¸
Ð³ÐµÐ½ÐµÑÐ°ÑÐ¸Ñ ÑÑÐµÑÑÐµÐ¹ Ð³Ð°ÑÐ¼Ð¾Ð½Ð¸ÐºÐ¸
second harmonic generation
third harmonic generation

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° Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÐ¸ÑÑÐµÐ¼Ñ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð¹ ÑÐµÐ·ÐºÐ¸ Ð£Ð¤ â Ð´Ð¸Ð°Ð¿Ð°Ð·Ð¾Ð½Ð°Â». ÐÐ°Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¿Ð¾ÑÐ²ÑÑÐµÐ½Ð° Ð¸Ð·ÑÑÐµÐ½Ð¸Ñ Ð³ÐµÐ½ÐµÑÐ°ÑÐ¸Ð¸ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð¸ ÑÑÐµÑÑÐµÐ¹ Ð³Ð°ÑÐ¼Ð¾Ð½Ð¸Ðº, Ð¸Ñ ÑÐ²Ð¾Ð¹ÑÑÐ² Ð¸ Ð¿ÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ Ð² Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð¹ ÑÐµÐ·ÐºÐµ. ÐÐ°Ð´Ð°ÑÐ¸, ÑÐµÑÐ°ÐµÐ¼ÑÐµ Ð² Ð¿ÑÐ¾ÑÐµÑÑÐµ Ð¸ÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ: 1. ÐÐ·ÑÑÐµÐ½Ð¸Ðµ Ð³ÐµÐ½ÐµÑÐ°ÑÐ¸Ð¸ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð¸ ÑÑÐµÑÑÐµÐ¹ Ð³Ð°ÑÐ¼Ð¾Ð½Ð¸Ðº. 2. ÐÑÑÐ²Ð»ÐµÐ½Ð¸Ðµ Ð½Ð°Ð¸Ð±Ð¾Ð»ÐµÐµ ÑÐ°ÑÑÑÑ Ð¿ÑÐ¾Ð±Ð»ÐµÐ¼ (ÐÐÐ­ Ð¸ Ð´Ð¸ÑÑÐ°ÐºÑÐ¸Ñ). ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÐºÑÐ¸ÑÑÐ°Ð»Ð»Ð° ÑÑÐ¸Ð±Ð¾ÑÐ°ÑÐ° Ð»Ð¸ÑÐ¸Ñ (LBO).Ð ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐµ ÑÐ°Ð±Ð¾ÑÑ Ð±ÑÐ» Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ ÑÐ°ÑÑÐµÑ Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¸Ñ Ð±Ð»Ð¾ÐºÐ¾Ð² Ð³ÐµÐ½ÐµÑÐ°ÑÐ¸Ð¸ Ð²ÑÐ¾ÑÐ¾Ð¹ Ð¸ ÑÑÐµÑÑÐµÐ¹ Ð³Ð°ÑÐ¼Ð¾Ð½Ð¸ÐºÐ¸ Ñ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸ÐµÐ¼ ÐºÑÐ¸ÑÑÐ°Ð»Ð»Ð¾Ð² ÑÑÐ¸Ð±Ð¾ÑÐ°ÑÐ° Ð»Ð¸ÑÐ¸Ñ I Ð¸ II ÑÐ¸Ð¿Ð° ÑÐ°Ð·Ð¾Ð²Ð¾Ð³Ð¾ ÑÐ¸Ð½ÑÑÐ¾Ð½Ð¸Ð·Ð¼Ð°. Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ð° Ð±Ð»Ð¾Ðº-ÑÑÐµÐ¼Ð° Ð¾Ð¿ÑÐ¸ÑÐµÑÐºÐ¾Ð¹ ÑÑÑÐ°Ð½Ð¾Ð²ÐºÐ¸ Ð»Ð°Ð·ÐµÑÐ½Ð¾Ð¹ ÑÐµÐ·ÐºÐ¸ Ð² Ð£Ð¤-Ð´Ð¸Ð°Ð¿Ð°Ð·Ð¾Ð½Ðµ.
description: Topic of the final qualification work: "Development of an optical system for a UV laser cutting machine". This work is devoted to the study of the generation of the second and third harmonics and their application in laser cutting. Tasks that were solved in the course of the study: 1. Studying the generation of the second and third harmonics.Â 2. Identification of the most common problems (DAE and diffraction). 3. Study of a lithium triborate (LBO) crystal. As a result of the work, the calculation of optical blocks for generating the second and third harmonics was carried out using lithium triborate crystals of I and II types of phase matching. A block diagram of an optical installation for laser cutting in the UV range has been developed.
2021_ERIM_OS_Survey
Creators: name: Guzman Ramirez, Lizette
name: Schettino, Antonio
Publisher: name: Erasmus University Rotterdam (EUR)
Year: 2021
Subjects: Science Policy

description: The ESE and RSM Open Science 2021 Spring Survey explored how researchers perceive and use open science practices. Eight main topics were covered:PreregistrationOpen materials/codeOpen dataPre-publication archivingOpen accessGeneral experience with open science practicesAwareness of available toolsRole of ERIM
Unified description of charge transfer mechanisms and vibronic dynamics in nanoscale junctions
Creators: name: Avriller, R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We propose a general framework that unifies the point of view of counting statistics of transmitted (fermionic) charges as it is commonly used in the quantum transport community to the point of view of counting statics of phonons (bosons) as it is known from the field of quantum optics. As a particular example, we study on the same footing the counting statistics of electrons transfered through a molecular junction and the corresponding population dynamics of the associated molecular vibrational mode. In the tunnel limit, non-perturbative results in the electron-phonon interaction are derived that unify complementary approaches based on rate equations or on the use of non-equilibrium Green functions.
title: Hydrodynamic analysis and optimization of a hinged-type wave energy converter - SeaWEED
Creators: name: Chen, Meng
Publisher: name: Memorial University of Newfoundland
Year: 2020

description: This thesis presents the experimental, numerical and optimization studies on a
 hinged-type wave energy converter, SeaWEED (SeaWave Energy Extraction Device),
 developed by Grey Island Energy. The device is considered as an improved attenuator
 consisting of four modules connected by adjustable truss structures.
 Extensive model tests of a 1:35 scale SeaWEED model with and without the
 power-take-off (PTO) units have been conducted at the towing tank of Memorial University
 (MUN). Friction dampers were designed to mimic the PTO systems. Repeated
 tests were carried out at a few wave frequencies around the region with maximum
 responses, and good repeatability has been observed.
 Potential-flow based time- and frequency- domain programs utilizing the Lagrange
 multiplier approach have been developed to simulate the dynamics of SeaWEED. In
 the time-domain program, nonlinear Froude-Krylov forces are calculated over the
 instantaneous wetted surfaces of the bodies under the wave profile, and the Wheeler
 Stretching method is applied to compute the wave pressure. The numerical results
 are compared with the experimental data, and good agreement is achieved.
 Optimization studies have been further conducted utilizing the frequency-domain
 program. Various parameters, including damping coefficients of the PTO systems,
 lengths of truss structures and the draft of the device, are considered. The uniform
 design method is used for sampling, and the response surface method is employed for
 surrogate construction. The desirability optimization method is utilized to optimize
 the response. An optimal combination of parameters is determined for an intended
 operation site.
Ricci solitons, Ricci flow, and strongly coupled CFT in the Schwarzschild Unruh or Boulware vacua
Creators: name: Figueras, Pau
name: Lucietti, James
name: Wiseman, Toby
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The elliptic Einstein-DeTurck equation may be used to numerically find Einstein metrics on Riemannian manifolds. Static Lorentzian Einstein metrics are considered by analytically continuing to Euclidean time. Ricci-DeTurck flow is a constructive algorithm to solve this equation, and is simple to implement when the solution is a stable fixed point, the only complication being that Ricci solitons may exist which are not Einstein. Here we extend previous work to consider the Einstein-DeTurck equation for Riemannian manifolds with boundaries, and those that continue to static Lorentzian spacetimes which are asymptotically flat, Kaluza-Klein, locally AdS or have extremal horizons. Using a maximum principle we prove that Ricci solitons do not exist in these cases and so any solution is Einstein. We also argue that Ricci-DeTurck flow preserves these classes of manifolds. As an example we simulate Ricci-DeTurck flow for a manifold with asymptotics relevant for AdS_5/CFT_4. Our maximum principle dictates there are no soliton solutions, and we give strong numerical evidence that there exists a stable fixed point of the flow which continues to a smooth static Lorentzian Einstein metric. Our asymptotics are such that this describes the classical gravity dual relevant for the CFT on a Schwarzschild background in either the Unruh or Boulware vacua. It determines the leading O(N^2) part of the CFT stress tensor, which interestingly is regular on both the future and past Schwarzschild horizons.
description: 48 pages, 7 figures; Version 2 - section 2.2.1 on manifolds with boundaries substantially modified, corrected and extended. Discussion in section 3.1 amended. References added and minor changes
XRF 100316D/SN 2010bh: clue to the diverse origin of nearby supernova-associated GRBs
Creators: name: Fan, Yi-Zhong
name: Zhang, Bin-Bin
name: Xu, Dong
name: Liang, En-Wei
name: Zhang, Bing
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: X-ray Flash (XRF) 100316D, a nearby super-long under-luminous burst with a peak energy E_p \sim 20 keV, was detected by Swift and was found to be associated with an energetic supernova SN 2010bh. Both the spectral and the temporal behavior of this burst are rather similar to that of XRF 060218, except that the latter was associated with a "less energetic" SN 2006aj and had a prominent soft thermal emission component in the spectrum. We analyze the spectral and temporal properties of this burst, and interpret the prompt gamma-ray emission and the early X-ray plateau emission as synchrotron emission from a dissipating Poynting-flux-dominated outflow, probably powered by a magnetar with a spin period of $P \sim 10$ ms and the polar cap magnetic field $B_{\rm p} \sim 3\times 10^{15}$ G. The energetic supernova SN 2010bh associated with this burst is, however, difficult to interpret within the slow magnetar model, which implies that the nascent magnetar may spin much faster with an initial rotation period $\sim 1$ ms, and thus suggests a delay between the core collapse and the emergence of the relativistic magnetar wind from the star. The diverse behaviors of low-luminosity GRBs and their associated SNe may be understood within a unified picture that invokes different initial powers of the central engine and different delay times between the core collapse and the emergence of the relativistic jet from the star.
description: 5 pages, 4 figures, ApJ in press
Deep Learning for Event Detection on Grasslands
Creators: name: Kontoes, Charalampos
name: Tsardanidis, Iason
name: Sitokonstantinou, Vasileios
name: Koukos, Alkiviadis
name: Drivas, Thanassis
Publisher: name: Zenodo
Year: 2021

description: The new Common Agricultural Policy (CAP) has introduced the notion of the Area Monitoring System to assist its Integrated Administration and Control System (IACS). This however, requires the systematic and timely remote monitoring of the agricultural land. In this context, the Sentinel satellite missions, offering open access to data of high spatial and temporal resolution, enable the development of reliable solutions. The detection of grassland mowing events at the parcel-level has been identified as a key data product to assess the compliance with respect several CAP measures, including the crop diversification and permanent grassland area requirements. Towards this direction, multiple projects (e.g ReCAP, SEN4CAP, ENVISION) and scientific studies have exploited Satellite Images Time-Series to detect abrupt changes and thus identify events. Event detection on optical SITS is hindered by cloud coverage, which is a particularly serious issue for applications in Northern EU countries. This work used deep learning methods to tackle three downstream tasks; namely i) generate dense Sentinel-2 time-series, exploiting Synthetic Aperture Radar (SAR) data (Sentinel-1), ii) identify the occurrence of the event within the time-series and iii) identify the date of the event. The study was conducted in the country of Lithuania for the year 2020. The first task, regarding the fusion of optical and SAR data, makes use of a Recurrent Neural Network (RNN) to generate dense NDVI time-series , with a fixed time step of 6 days. The input data comprises the available cloud-free Sentinel-2 acquisitions (NDVIs) and the Sentinel-1 time series, as well as other ancillary data, such as meteorological, topographic characteristics etc. Then, with the usage of another RNN architecture and the new dense Sentinel-2 time-series as input we identify the “if” and “when” of the occurrence of an event. A blind photo-interpretation process, performed by three experts, generated annotated training and validation event instances. In the future, we plan to showcase the generalization of our pipelines to a variety of similar event detection tasks on SITS, such as stubble burning detection.
Static vs Dynamic SAGAs
Creators: name: Lanese, Ivan
Publisher: name: arXiv
Year: 2010
Subjects: subject: Programming Languages (cs.PL)
subject: FOS: Computer and information sciences

description: SAGAs calculi (or simply SAGAs) have been proposed by Bruni et al. as a model for long-running transactions. The approach therein can be considered static, while a dynamic approach has been proposed by Lanese and Zavattaro. In this paper we first extend both static SAGAs (in the centralized interruption policy) and dynamic SAGAs to deal with nesting, then we compare the two approaches.
description: In Proceedings ICE 2010, arXiv:1010.5308