cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The $C_p$-stable closure of the class of separable metrizable spaces
Creators: name: Banakh, T.
name: Gabriyelyan, S.
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 46E10, 54C35, 54E18, 12J15, 06A05

description: Denote by $\mathbf C_p[\mathfrak M_0]$ the $C_p$-stable closure of the class $\mathfrak M_0$ of all separable metrizable spaces, i.e., $\mathbf C_p[\mathfrak M_0]$ is the smallest class of topological spaces that contains $\mathfrak M_0$ and is closed under taking subspaces, homeomorphic images, countable topological sums, countable Tychonoff products, and function spaces $C_p(X,Y)$. Using a recent deep result of Chernikov and Shelah (2014), we prove that $\mathbf C_p[\mathfrak M_0]$ coincides with the class of all Tychonoff spaces of cardinality strictly less than $\beth_{ω_1}$. Being motivated by the theory of Generalized Metric Spaces, we characterize also other natural $C_p$-type stable closures of the class $\mathfrak M_0$.
description: 7 pages
SHAROBBOB UZUMGA BIRLAMCHI ISHLOV BERISHNING ILMIY ASOSLARI
Creators: name: Abdullayev, M.F.
Publisher: name: Zenodo
Year: 2023

description: Uzumni birlamchi qayta ishlash va yarim tayyor va tayyor mahsulotlarni biologik barqarorlashtirish uni ishlatishning barcha sohalari uchun umumiy texnologik jarayonlardir. Bu dastalarni yuvish, destemming va maydalash, issiqlik yoki fermentativ ishlov berishdan iborat.
Stability threshold approach for complex dynamical systems
Creators: name: Klinshov, Vladimir V.
name: Nekorkin, Vladimir I.
name: Kurths, Jürgen
Publisher: name: arXiv
Year: 2015
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: Dynamical Systems (math.DS)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: A new measure to characterize stability of complex dynamical systems against large perturbation is suggested, the stability threshold (ST). It quantifies the magnitude of the weakest perturbation capable to disrupt the system and switch it to an undesired dynamical regime. In the phase space, the stability threshold corresponds to the "thinnest site" of the attraction basin and therefore indicates the most "dangerous" direction of perturbations. We introduce a computational algorithm for quantification of the stability threshold and demonstrate that the suggested approach is effective and provides important insights. The generality of the obtained results defines their vast potential for application in such fields as engineering, neuroscience, power grids, Earth science and many others where robustness of complex systems is studied.
COVID-19: Detecting Depression Signals during Stay-At-Home Period
Creators: name: Tshimula, Jean Marie
name: Chikhaoui, Belkacem
name: Wang, Shengrui
Publisher: name: arXiv
Year: 2021
Subjects: subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: The new coronavirus outbreak has been officially declared a global pandemic by the World Health Organization. To grapple with the rapid spread of this ongoing pandemic, most countries have banned indoor and outdoor gatherings and ordered their residents to stay home. Given the developing situation with coronavirus, mental health is an important challenge in our society today. In this paper, we discuss the investigation of social media postings to detect signals relevant to depression. To this end, we utilize topic modeling features and a collection of psycholinguistic and mental-well-being attributes to develop statistical models to characterize and facilitate representation of the more subtle aspects of depression. Furthermore, we predict whether signals relevant to depression are likely to grow significantly as time moves forward. Our best classifier yields F-1 scores as high as 0.8 and surpasses the utilized baseline by a considerable margin, 0.173. In closing, we propose several future research avenues.
Lax pairs of discrete Painlevé equations: $(A_2+A_1)^{(1)}$ case
Creators: name: Joshi, Nalini
name: Nakazono, Nobutaka
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mathematical Physics (math-ph)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: In this paper, we provide a comprehensive method for constructing Lax pairs of discrete Painlevé equations by using a reduced hypercube structure. In particular, we consider the $A_5^{(1)}$-surface $q$-Painlevé system which has the affine Weyl group symmetry of type $(A_2+A_1)^{(1)}$. Two new Lax pairs are found.
description: 13 pages, 2 figures
Probing a spin-glass state in SrRuO3 thin films through higher-order statistics of resistance fluctuations
Creators: name: Daptary, Gopi Nath
name: Sow, Chanchal
name: Kumar, P. S. Anil
name: Bid, Aveek
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The complex perovskite oxide SrRuO3 shows intriguing transport properties at low temperatures due to the interplay of spin, charge, and orbital degrees of freedom. One of the open questions in this system is regarding the origin and nature of the low-temperature glassy state. In this paper we report on measurements of higher-order statistics of resistance fluctuations performed in epitaxial thin films of SrRuO3 to probe this issue. We observe large low-frequency non-Gaussian resistance fluctuations over a certain temperature range. Our observations are compatible with that of a spin-glass system with properties described by hierarchical dynamics rather than with that of a simple ferromagnet with a large coercivity.
title: Destroying the wisdom of the wise: an analysis of wisdom in first Corinthians 1-4 in light of Hebrew Bible wisdom narratives
Creators: name: Moody, John L.
Publisher: name: University of Glasgow in partnership with Edinburgh Theological Seminary
Year: 2023

description: This study seeks to discern if there is a link between Paul’s discussion of wisdom in 1 Corinthians 1-4 and the wisdom narratives of the Hebrew Bible – narratives where God imparts wisdom to a person or persons in a significant way. To narrow the investigation, I have selected the wisdom narratives surrounding the biblical figures of Joseph, Solomon, Isaiah and Daniel. I then delineate the criteria I use for discerning the Pauline allusions to these passages, adapting the methodology outlined by Dale Allison. Various options for the source of conflict in the Corinthian church are proposed and assessed, with the conclusion that the influence of Stoic teachers was the likely culprit. I then outline the argument of the four chapters. Three categories of motifs are examined using Allison’s criteria: source motifs (motifs that speak of God as the source of wisdom), reversal motifs (motifs where God reverses the established social order) and covenant motifs (motifs where wisdom is given for the preservation or flourishing of God’s people). I conclude that there are discernable allusions between the Solomon, Isaiah and Daniel narratives and 1 Corinthians 1-4, but there is insufficient evident to establish a link with the Joseph story. I further argue that Paul’s intention in including these allusions is an act of out narrating – he seeks to undermine Stoic influence by enfolding the Corinthians into the narrative structures of Israel's redemptive history.
D3.4 Software Forum Research Roadmap v2
Creators: name: Alonso, Juncal
name: Ostolaza, Elixabete
name: Sanchez, Begoña
name: Ruiz, Alejandra
name: Martinez, Jabier
Publisher: name: Zenodo
Year: 2022
Subjects: Research roadmap
literature analysis
context analysis
research challenges

description: This document is the second version of a series of three documents, whose aim is to provide policymakers with research priorities identified in the field of software technologies, cybersecurity, and digital infrastructure. To achieve this, a roadmap methodology was defined in D3.3 - Software Forum Research Roadmap v1, structured in three steps, namely identification of research topics, classification, scoring, consultation, and further analysis. The outcome of these activities will be a set of recommendations to be produced as the final result in D3.5. This document focuses on the activities related to the implementation of the second phase of the methodology: classification and scoring of the identified research topics. To achieve this a scoring methodology has been defined and it has been applied to classify the identified research topics towards the prioritization of the research challenges towards their alignment with the objectives of SWForum and the policy framework under which this action has been funded. Also, the first set of research and innovation challenges has been reviewed and detailed. As a result, a set of lessons learnt have been derived. These lessons learnt will be the initial basis to derive the final policy recommendations that will be produced in D3.5. The next version of this document will include a reviewed version of the prioritization base on the open consultation to be performed with the SWForum constituency as well as the final set of policy related recommendations.
Spectroscopic analysis of metal-poor stars from LAMOST: early results
Creators: name: Li, Hai-Ning
name: Zhao, Gang
name: Christlieb, Norbert
name: Wang, Liang
name: Wang, Wei
name: Zhang, Yong
name: Hou, Yonghui
name: Yuan, Hailong
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We report on early results from a pilot program searching for metal-poor stars with LAMOST and follow-up high-resolution observation acquired with the MIKE spectrograph attached to the Magellan~II telescope. We performed detailed abundance analysis for eight objects with iron abundances [Fe/H] < -2.0, including five extremely metal-poor (EMP; [Fe/H] < -3.0) stars with two having [Fe/H] < -3.5. Among these objects, three are newly discovered EMP stars, one of which is confirmed for the first time with high-resolution spectral observations. Three program stars are regarded as carbon-enhanced metal-poor (CEMP) stars, including two stars with no enhancement in their neutron-capture elements, which thus possibly belong to the class of CEMP-no stars; one of these objects also exhibits significant enhancement in nitrogen, and is thus a potential carbon and nitrogen-enhanced metal-poor star. The [X/Fe] ratios of the sample stars generally agree with those reported in the literature for other metal-poor stars in the same [Fe/H] range. We also compared the abundance patterns of individual program stars with the average abundance pattern of metal-poor stars, and find only one chemically peculiar object with abundances of at least two elements (other than C and N) showing deviations larger than 0.5dex. The distribution of [Sr/Ba] versus [Ba/H] agrees that an additional nucleosynthesis mechanism is needed aside from a single r-process. Two program stars with extremely low abundances of Sr and Ba support the prospect that both main and weak r-process may have operated during the early phase of Galactic chemical evolution. The distribution of [C/N] shows that there are two groups of carbon-normal giants with different degrees of mixing. However, it is difficult to explain the observed behavior of the [C/N] of the nitrogen-enhanced unevolved stars based on current data.
description: 14 pages, 10 figures, 5 tables, published in ApJ
Omni-swarm: A Decentralized Omnidirectional Visual-Inertial-UWB State Estimation System for Aerial Swarms
Creators: name: Xu, Hao
name: Zhang, Yichen
name: Zhou, Boyu
name: Wang, Luqi
name: Yao, Xinjie
name: Meng, Guotao
name: Shen, Shaojie
Publisher: name: arXiv
Year: 2021
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Decentralized state estimation is one of the most fundamental components of autonomous aerial swarm systems in GPS-denied areas yet it still remains a highly challenging research topic. Omni-swarm, a decentralized omnidirectional visual-inertial-UWB state estimation system for aerial swarms, is proposed in this paper to address this research niche. To solve the issues of observability, complicated initialization, insufficient accuracy, and lack of global consistency, we introduce an omnidirectional perception front-end in Omni-swarm. It consists of stereo wide-FoV cameras and ultra-wideband sensors, visual-inertial odometry, multi-drone map-based localization, and visual drone tracking algorithms. The measurements from the front-end are fused with graph-based optimization in the back-end. The proposed method achieves centimeter-level relative state estimation accuracy while guaranteeing global consistency in the aerial swarm, as evidenced by the experimental results. Moreover, supported by Omni-swarm, inter-drone collision avoidance can be accomplished without any external devices, demonstrating the potential of Omni-swarm as the foundation of autonomous aerial swarms.
description: The paper is accepted by IEEE Transactions on Robotics (T-RO, 2022)
Properties of Holographic Mesons on Dense Medium
Creators: name: Lee, Bum-Hoon
name: Park, Chanyong
name: Nam, Siyoung
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the energy dispersions of holographic light mesons and their decay constants on dense nuclear medium. As the spatial momenta of mesons along the boundary direction increase, both observables of the mesons not only increase but also split according to the isospin charges. The decay constant of the negative meson is more large than that of the positive meson of the same type due to the chemical potentials of the background nucleons.
description: 18 pages, 8 Fig. numbers
Implementation of binary stochastic STDP learning using chalcogenide-based memristive devices
Creators: name: Mohan, C.
name: Camuñas-Mesa, L. A.
name: de la Rosa, J. M.
name: Serrano-Gotarredona, T.
name: Linares-Barranco, B.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Emerging Technologies (cs.ET)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The emergence of nano-scale memristive devices encouraged many different research areas to exploit their use in multiple applications. One of the proposed applications was to implement synaptic connections in bio-inspired neuromorphic systems. Large-scale neuromorphic hardware platforms are being developed with increasing number of neurons and synapses, having a critical bottleneck in the online learning capabilities. Spike-timing-dependent plasticity (STDP) is a widely used learning mechanism inspired by biology which updates the synaptic weight as a function of the temporal correlation between pre- and post-synaptic spikes. In this work, we demonstrate experimentally that binary stochastic STDP learning can be obtained from a memristor when the appropriate pulses are applied at both sides of the device.
Rapid calculation of part scale residual stresses in powder bed additive manufacturing
Creators: name: Khan, Kajal
name: Mohan, L. Srinivasa
name: De, Amitava
name: DebRoy, Tarasankar
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biophysics
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy
subject: Computational Biology

description: Numerical modelling of thermo-mechanical residual stresses for laser powder bed fusion is complex and computationally intensive. A novel analytical model is presented here that can compute the residual stress distributions through a printed part and the baseplate quickly and reliably using phenomenological modelling. The peak residual stress for each deposited layer, needed in the model, is computed using scaling analysis. The computed residual stress distributions are tested with the corresponding independent experimentally measured and numerically computed results. The analytically calculated residual stress distributions are shown to be in good agreement with the corresponding independent results. The analytical model is shown to be 10,000 times faster than the numerical models.
On integrable deformations of superstring sigma models related to AdS_n x S^n supercosets
Creators: name: Hoare, B.
name: Tseytlin, A. A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider two integrable deformations of 2d sigma models on supercosets associated with AdS_n x S^n. The first, the "eta-deformation" (based on the Yang-Baxter sigma model), is a one-parameter generalization of the standard superstring action on AdS_n x S^n, while the second, the "lambda-deformation" (based on the deformed gauged WZW model), is a generalization of the non-abelian T-dual of the AdS_n x S^n superstring. We show that the eta-deformed model may be obtained from the lambda-deformed one by a special scaling limit and analytic continuation in coordinates combined with a particular identification of the parameters of the two models. The relation between the couplings and deformation parameters is consistent with the interpretation of the first model as a real quantum deformation and the second as a root of unity quantum deformation. For the AdS_2 x S^2 case we then explore the effect of this limit on the supergravity background associated to the lambda-deformed model. We also suggest that the two models may form a dual Poisson-Lie pair and provide direct evidence for this in the case of the integrable deformations of the coset associated with S^2.
description: v2: comments and references added; v3: new appendix on an alternative proposal for the dilaton and minor changes, 28 pages; v4: misprint in (B.7) corrected
Continuous repair of groove damages using solid-state friction rolling additive manufacturing method
Creators: name: Liu, Haibin
name: Sun, Yangyang
name: Xie, Ruishan
name: Shi, Yanchao
name: Shi, Qingyu
name: Chen, Shujun
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: Space Science
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Science Policy

description: A solid-state and continuous groove repair technology was proposed for aluminium alloy based on friction rolling additive manufacturing (FRAM). The feasibility of FRAM was explored by repairing three types of prefabricated groove damages in aluminium alloy plates. A well-repaired joint for trapezoidal groove was obtained when the press-in depth of the tool head was 2 mm. The press-in depth was the key factor to complete filling of the groove damage. Effective grain refinement of the repair centre and the significant refinement area are observed, which leads to the hardness of these two areas reaching 99% and 102% of the substrate, respectively. The material migration behaviour of the filling material during the process was clarified.
Topological equivalences for one-parameter bifurcations of maps
Creators: name: Balibrea, Francisco
name: Oliveira, Henrique M.
name: Valverde, Jose C.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: Primary 37C15, Secondary 37G05

description: Homeomorphisms allowing us to prove topological equivalences between one-parameter families of maps undergoing the same bifurcation are constructed in this paper. This provides a solution for a classical problem in bifurcation theory that was set out three decades ago and remained unexpectedly unpublished until now
description: 25 Pages
Sparse Box-fitting Least Squares
Creators: name: Panahi, Aviad
name: Zucker, Shay
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a new implementation of the commonly used Box-fitting Least Squares (BLS) algorithm, for the detection of transiting exoplanets in photometric data. Unlike BLS, our new implementation - Sparse BLS (SBLS), does not use binning of the data into phase bins, nor does it use any kind of phase grid. Thus, its detection efficiency does not depend on the transit phase, and is therefore slightly better than that of BLS. For sparse data, it is also significantly faster than BLS. It is therefore perfectly suitable for large photometric surveys producing unevenly-sampled sparse light curves, such as Gaia.
description: Published by PASP, 6 pages, 6 figures
title: CTUIR Grazing
titleType: AlternativeTitle
title: Endangered Species Act Section 7(a)(2) Biological Opinion and Magnuson–Stevens Fishery Conservation and Management Act Essential Fish Habitat Response for Approval/Issuance of Range Unit Grazing Permits Umatilla Indian Reservation, in the Umatilla subbasin (HUC 1707010305) Umatilla County, Oregon and McCoy Creek (HUC 170706010402), in the Upper Grande Ronde subbasin of Union County, Oregon
Creators: name: United States. National Marine Fisheries Service. West Coast Region
Publisher: name: United States. National Marine Fisheries Service. West Coast Region
Year: 2023

description: WCRO-2022-01144
UZUMNI QURITISHNING ZAMONAVIY TEXNOLOGIYALARI TAHLILI
Creators: name: Ro'zmetov, Anvar
Publisher: name: Zenodo
Year: 2023

description: Ma'lumki, mamlakatimizdagi mavjud tabiy-iqlim sharoiti qishloq xo'jaligi mahsulotlarini, xususan, meva-sabzavotchilikni barqaror rivojlantirish imkonini beradi. O'zbekiston Respublikasi Prezidenti va hukumati tomonidan sohani bozor munosabatlariga o'tish jarayonida meva-sabzavotchilikni rivojlantirishga ustuvor yo'nalishlar sifatida katta e'tibor qaratilmoqda. Zero, meva-sabzavotchilik mahsulotlarini tashqi bozorlarda sotish hisobiga mamlakat valyuta tushumining sezilarli qismi shakllanayotganligi ham sohani tubdan isloh qilish va jadal rivojlantirishning ustuvorligidan dalolat beradi.
STAR: Simultaneous Transmission And Reflection for 360° Coverage by Intelligent Surfaces
Creators: name: Liu, Yuanwei
name: Mu, Xidong
name: Xu, Jiaqi
name: Schober, Robert
name: Hao, Yang
name: Poor, H. Vincent
name: Hanzo, Lajos
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: A novel simultaneously transmitting and reflecting (STAR) system design relying on reconfigurable intelligent surfaces (RISs) is conceived. First, an existing prototype is reviewed and the potential benefits of STAR-RISs are discussed. Then, the key differences between conventional reflecting-only RISs and STAR-RISs are identified from the perspectives of hardware design, physics principles, and communication system design. Furthermore, the basic signal model of STAR-RISs is introduced, and three practical protocols are proposed for their operation, namely energy splitting, mode switching, and time switching. Based on the proposed protocols, a range of promising application scenarios are put forward for integrating STAR-RISs into next-generation wireless networks. By considering the downlink of a typical RIS-aided multiple-input single-output (MISO) system, numerical case studies are provided for revealing the superiority of STAR-RISs over other baselines, when employing the proposed protocols. Finally, several open research problems are discussed.
description: 15 pages, 5 figures
title: FS Road 32 Repairs - Walla Walla South-Umatilla
titleType: AlternativeTitle
title: Endangered Species Act Section 7(a)(2) Biological Opinion and Magnuson–Stevens Fishery Conservation and Management Act Essential Fish Habitat Response for the Walla Walla South–Umatilla Repairs 2020, Phase 1, Umatilla River, HUC 1707010301, Yakima County, Washington
Creators: name: United States. National Marine Fisheries Service. West Coast Region
Publisher: name: United States. National Marine Fisheries Service. West Coast Region
Year: 2023

description: WCRO-2023-00143
Numerical study of beam oscillation and its effect on the solidification parameters and grain morphology in remote laser welding of high-strength aluminium alloys
Creators: name: Mohan, Anand
name: Ceglarek, Dariusz
name: Franciosa, Pasquale
name: Auinger, Michael
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy

description: This study investigated the effect of beam oscillation on the solidification behaviour during laser welding of Al-5754 to Al-6061 alloy. In this study, a finite element model has been developed to simulate temperature and fluid flow fields by implementing different combinations of volumetric heat source models. Solidification parameters such as temperature gradient (G), solidification rate (R), cooling rate (G × R) and G/R are evaluated to understand the mechanism of microstructure formation. It was found that beam oscillation improves the tensile strength by 21.4% for full penetration welding due to an increase in the percentage of formation of equiaxed grains. Modelling results revealed that the cooling rate increases with an increase in oscillation frequency. However, tensile strength followed a parabolic distribution with a peak at the oscillation frequency of 300 Hz.
title: ADOT Tongass Narrows (Gravina Access) 2023 Reinitiation
titleType: AlternativeTitle
title: Endangered Species Act (ESA) Section 7(a)(2) Biological Opinion for Construction of the Tongass Narrows Project (Gravina Access)
Creators: name: United States. National Marine Fisheries Service. Alaska Regional Office
Publisher: name: United States. National Marine Fisheries Service. Alaska Regional Office
Year: 2023

description: AKRO-2023-00339
Scaling analysis for rapid estimation of lack of fusion porosity in laser powder bed fusion
Creators: name: Zagade, Pramod R.
name: Gautham, B. P.
name: De, Amitava
name: DebRoy, Tarasankar
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Space Science
subject: Medicine
subject: Neuroscience
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences

description: Lack-of-fusion porosity due to insufficient melting of the adjacent tracks and successive layers is a persistent problem in laser powder bed fusion (LPBF). A novel functional relation is proposed here following dimensional analysis for rapid estimation of the lack-of-fusion porosity fraction as a function of important process variables and alloy properties. The estimated values of the porosity fractions are found to be in fair agreement with the corresponding independent experimentally measured results for LPBF of five commonly used alloys for a wide range of process conditions. The proposed functional relation is used further to construct a set of process maps that can aid in the selection of important LPBF conditions to avoid lack-of-fusion porosity on the shop floor without doing any calculations.
Sepsis: A Review of Advances in Management
Creators: name: Rello, Jordi
name: Valenzuela-Sánchez, Francisco
name: Ruiz-Rodriguez, Maria
name: Moyano, Silvia
Publisher: name: Figshare
Year: 2018
Subjects: subject: Medicine
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Article full
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A fight for faith : the legal marginalization of the Catholic Church in Mexico and its effect on civil society
Creators: name: Greig, Grace Hanna
Publisher: name: The University of Texas at Austin
Year: 2005
Subjects: Anticlerical laws
Catholic Church of Mexico
Mexican civil society

description: Beginning with the Spanish Conquest, the Catholic Church occupied a privileged place within Mexican society. The institution had a significant voice within the government and even went as far as performing several essential governmental functions. With the establishment of the independent Mexican government, though, this relationship between church and state significantly changed. The shift was embodied in the passage of a number laws that drastically limited not only the power of the Church but its ability to function within society and the freedoms of its clergy. The scope of these anticlerical laws included restrictions on individual freedoms such as the clergy’s right to vote as well as restrictions on institutional workings. Despite these efforts by the state to exclude the Catholic Church from political life, the Church continued to have a significant impact on the lives of its followers
Monitoring melt pool asymmetry in gas metal arc-directed energy deposition
Creators: name: Chaurasia, Prashant Kumar
name: Goecke, Sven-F.
name: De, Amitava
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Cross-sectional asymmetry of melt pools along adjacent tracks results in an uneven build surface in gas metal arc-directed energy deposition. We present here a novel attempt on real-time monitoring of melt pool cross-sectional asymmetry in terms of its lateral and angular deviations from the track centreline using a two-colour quotient thermal camera. The melt pool lateral and angular deviations are found to be 2–3 mm, and 8–12°, respectively, for the range of process conditions. A unique analytical methodology is proposed that shows a hatch spacing of around 72–76% of the width of a deposited track can reduce melt pool asymmetry and layer height variations along adjacent tracks, which is also observed experimentally.
Interface stability, interface fluctuations, and the Gibbs-Thomson relation in motility-induced phase separations
Creators: name: Lee, Chiu Fan
Publisher: name: arXiv
Year: 2015
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Biological Physics (physics.bio-ph)
subject: FOS: Physical sciences

description: Minimal models of self-propelled particles with short-range volume exclusion interactions have been shown to exhibit signatures of phase separation. Here I show that the observed interfacial stability and fluctuations in motility-induced phase separations (MIPS) can be explained by modeling the microscopic dynamics of the active particles in the interfacial region. In addition, I demonstrate the validity of the Gibbs-Thomson relation in MIPS, which provides a functional relationship between the size of a condensed drop and its surrounding vapor concentration. As a result, the coarsening dynamics of MIPS at vanishing supersaturation follows the classic Lifshitz-Slyozov scaling law at the late stage.
description: 11 pages, 6 figures
Statistical analysis of residual stresses in austenitic pipe girth welds
Creators: name: Weltevreden, M.
name: Coules, H.
name: Hadley, I.
name: Janin, Y.J.
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: Cell Biology
subject: Molecular Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy

description: Residual stresses created from welding have a direct influence on fracture mechanisms of cracks and flaws in and around welded regions. Excessive residual stress can lead to unexpected failures and an important property in fitness-for-service calculations. In this work, an experimental database of the residual stress of low heat input austenitic girth welds is analysed for statistical correlation. The combined measurement profiles indicate normality throughout the weld thickness. Two-sample tests of grouped datasets were additionally carried out to examine potential relationships within the data. Presented measurements were characterised by location from weld centre, and similarly, by pipe aspect ratio. Results indicate a moderate influence of dimension ratio on residual stress in piping components suggesting potential for additional consideration in fitness-for-service procedures.
The deformation analysis of friction stir welding with different clamping distances for large thin-walled joints
Creators: name: Gao, Chang
name: Yu, Haidong
name: Gu, Bin
name: Lin, Yujin
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: Cell Biology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Science Policy

description: Clamping scheme may change the local stiffness and affect the welding deformation which is very important for the large thin-walled joints connected by friction stir welding with heavy load and heat production. In this paper, the welding experiments of large thin-walled joints were conducted and the numerical simulation model is established based on three-dimensional stress mapping method. The accuracy of the numerical model is verified and welding deformation with various clamping distances is discussed. The restraint intensity index is employed to describe the influence of clamping distance on the stiffness of welding seam and welding deformation. The mechanism of welding deformation with the effect of clamping distance is well revealed by the analysis of welding stress and restraint intensity.
High resolution environmental monitoring of pollinator insects through macro camera trapping and AI
Creators: name: Sa'Doun, Mohammad
name: Dalton, Daniel
name: Berger, Vanessa
name: Paulus, Gernot
name: Anders, Karl-Heinrich
name: Svetnik, Ilja
name: Schultz, Johanna
name: Unglaub, Peter
Publisher: name: Zenodo
Year: 2024

description: Insect identification using camera traps has been neglected due to traditional sensors’ inability to detect cold-blooded organisms. However, insects are essential for ecosystem services like pollination, making accurate detection crucial. This study uses advancements in computer vision, specifically convolutional neural networks (CNNs), to develop an automated insect identification algorithm. High-resolution time-lapse images from camera traps in the Austrian Alps were annotated and processed with LabelBox and YOLOv8, achieving order-level insect classification. Results showed a high diversity of insects with a peak mean Average Precision (mAP) of 54.23% at an Intersection over Union (IoU) threshold of 0.5, indicating the method’s potential for precise species-level data collection. Despite challenges like background misclassification, the approach offers a robust framework for insect detection and valuable insights for refinement. YOLO-generated data enable comprehensive time series analysis, aiding in effective monitoring and management strategies. This study supports CNN-based methods in ecological monitoring, relevant for pest management and identifying key species.
The Sampling Project - Making In Response to Archival Collections
Creators: name: Lamb, Hannah
Publisher: name: Figshare
Year: 2018
Subjects: subject: 120306 Textile and Fashion Design
subject: FOS: Arts (arts, history of arts, performing arts, music)
subject: Design
subject: Education

description: Abstract:

Textile archives are places filled with material narratives. Some archival artefacts hold fully documented, clearly identifiable stories, like a complete novel or biography, while other fragments of material are mere phrases. This incomplete narrative provided by historical objects offers great scope for creative enquiry and imaginative interpretation of archive material.

This research focusses on textile archive collections related to art and design schools in the UK and Europe and how they can be the catalyst for new research and practice in contemporary textiles. It explores a range of ways in which textile collections, and in particular Japanese katagami printing stencils, can inspire, inform and promote creative enquiry. The purpose of this work is to examine the historical textile archive collections and their relevance to creative practice and practice-based research through sampling and making.

Firsthand archival research was carried out by first at Tissuethèque archive, Roubaix, France and then at Bradford Textile Archive, Bradford College, Bradford, UK. Initial imagery and notes from discussions with colleagues was collected and developed through individual visual development in sketchbooks. Practical textile sampling explored a variety of different fibres, fabrics, natural dyes, mordants, screen print and stitch processes. This research was based on an empirical approach to testing of materials and processes, helping to highlight the importance of the sampling process to creative textiles practice. In this case sampling was a way of exploring material and technique, but also of better understanding the katagami stencils and how they relate to European printing and dyeing methods. The research highlights the importance of risk taking and the value of making mistakes to inform creative practice.
Minimalist design of polymer-oligopeptide hybrid as intrinsically disordered protein-mimicking scaffold for artificial membraneless organelle
Creators: name: Liu, Jianhui
name: Zhorabek, Fariza
name: Dai, Xin
name: Huang, Jinqing
name: Chau, Ying
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Liquid-liquid phase separation (LLPS) is an emerging and universal mechanism for intracellular biomolecule organization, particularly, via the formation of membraneless organelles (MOs). Intrinsically disordered proteins (IDPs) are the main constituents of MOs, wherein multivalent interactions and low-complexity domains (LCDs) drive LLPS. Using short oligopeptide derived from LCDs as 'stickers' and dextran backbones as 'spacers', we designed polymer-oligopeptide hybrids to mimic the multivalent FUS protein as represented by the 'stickers-and-spacers' model. We demonstrated that hybrids underwent LLPS and self-assembled into micron-sized (mostly 1-10 micron, resembling LLPS in vitro and in living cells) compartments displaying liquid-like properties. Furthermore, the droplets formed were capable of recruiting proteins and RNAs, whilst providing a favorable environment for enhanced biochemical reaction, thereby mimicking the function of natural MOs. We envision this simple yet versatile model system will help elucidate the molecular interactions implicated in MO formation and pave ways to a new type of biomimetic materials.
A Refined Analysis on the $X(3872)$ Resonance
Creators: name: Meng, Ce
name: Sanz-Cillero, Juan José
name: Shi, Meng
name: Yao, De-Liang
name: Zheng, Han-Qing
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the property of the $X(3872)$ meson by analyzing the $B\to K D\bar D^*$ and $B\to K J/ψπ^+π^-$ decay processes. The competition between the rescattering mediated through a Breit-Wigner resonance and the rescattering generated from a local $D\bar{D}^* \to D\bar{D}^*$ interaction is carefully studied through an effective lagrangian approach. Three different fits are performed: pure Breit-Wigner case, pure $D\bar{D}^*$ molecule case with only local rescattering vertices (generated by the loop chain), and the mixed case. It is found that data supports the picture where X(3872) is mainly a ($\bar cc$) Breit-Wigner resonance with a small contribution to the self-energy generated by $\bar DD^*$ final state interaction. For our optimal fit, the pole mass and width are found to be: $M_X=3871.2\pm0.7$MeV and $Γ_X=6.5\pm1.2$MeV.
description: 13 pages, 2 figures
Domain Invariant Adversarial Learning
Creators: name: Levi, Matan
name: Attias, Idan
name: Kontorovich, Aryeh
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The phenomenon of adversarial examples illustrates one of the most basic vulnerabilities of deep neural networks. Among the variety of techniques introduced to surmount this inherent weakness, adversarial training has emerged as the most effective strategy for learning robust models. Typically, this is achieved by balancing robust and natural objectives. In this work, we aim to further optimize the trade-off between robust and standard accuracy by enforcing a domain-invariant feature representation. We present a new adversarial training method, Domain Invariant Adversarial Learning (DIAL), which learns a feature representation that is both robust and domain invariant. DIAL uses a variant of Domain Adversarial Neural Network (DANN) on the natural domain and its corresponding adversarial domain. In the case where the source domain consists of natural examples and the target domain is the adversarially perturbed examples, our method learns a feature representation constrained not to discriminate between the natural and adversarial examples, and can therefore achieve a more robust representation. DIAL is a generic and modular technique that can be easily incorporated into any adversarial training method. Our experiments indicate that incorporating DIAL in the adversarial training process improves both robustness and standard accuracy.
Signature of Cooper Pairs in the Non-Superconducting Phases of Amorphous Superconducting Tantalum Films
Creators: name: Li, Yize Stephanie
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We have studied the magnetic field or disorder induced insulating and metallic phases in amorphous Ta superconducting thin films. The evolution of the nonlinear transport in the insulating phase exhibits a non-monotonic behavior as the magnetic field is increased. We suggest that this observation could be an evidence of the presence of localized Cooper pairs in the insulating phase. As the metallic phase intervenes the superconducting and insulating states in Ta films, this result further reveals that Cooper pairs also exist in the metallic ground state.
Simultaneously Transmitting And Reflecting (STAR) RIS Aided Wireless Communications
Creators: name: Mu, Xidong
name: Liu, Yuanwei
name: Guo, Li
name: Lin, Jiaru
name: Schober, Robert
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: The novel concept of simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surfaces (RISs) is investigated, where the incident wireless signal is divided into transmitted and reflected signals passing into both sides of the space surrounding the surface, thus facilitating a full-space manipulation of signal propagation. Based on the introduced basic signal model of `STAR', three practical operating protocols for STAR-RISs are proposed, namely energy splitting (ES), mode switching (MS), and time switching (TS). Moreover, a STAR-RIS aided downlink communication system is considered for both unicast and multicast transmission, where a multi-antenna base station (BS) sends information to two users, i.e., one on each side of the STAR-RIS. A power consumption minimization problem for the joint optimization of the active beamforming at the BS and the passive transmission and reflection beamforming at the STAR-RIS is formulated for each of the proposed operating protocols, subject to communication rate constraints of the users. For ES, the resulting highly-coupled non-convex optimization problem is solved by an iterative algorithm, which exploits the penalty method and successive convex approximation. Then, the proposed penalty-based iterative algorithm is extended to solve the mixed-integer non-convex optimization problem for MS. For TS, the optimization problem is decomposed into two subproblems, which can be consecutively solved using state-of-the-art algorithms and convex optimization techniques. Finally, our numerical results reveal that: 1) the TS and ES operating protocols are generally preferable for unicast and multicast transmission, respectively; and 2) the required power consumption for both scenarios is significantly reduced by employing the proposed STAR-RIS instead of conventional reflecting/transmiting-only RISs.
description: 31 pages, 8 figures, this work is accepted for the publication in IEEE Transactions on Wireless Communications