cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Design and optimization of a small compressed air energy storage system for isolated applications
Creators: name: SedighNejad, Hanif
Publisher: name: Memorial University of Newfoundland
Year: 2022

description: In this study, a variety of practical and theoretical CAES systems are reviewed in order to show the current status of the available CAES systems. Then a small scale compressed air energy storage for small isolated wind based hybrid energy system is introduced and discussed. In order to develop a cost-effective renewable based hybrid energy system, this research investigates the optimization of each component of the system from the wind turbine to the load to deliver the required energy in the most efficient way. After finding the general control strategy for energy harvesting from the wind, the control strategy based on predictive initial working condition of the air vane motor is investigated through practical tests. A control path is developed using the implemented air motor steady state operation based on its manufacturer datasheet, and it is used to supply a fixed amount of power to the grid. A new criterion for evaluation of different energy storage system with identical power rating and storage capacity is proposed and examined during a case study and the performance of pumped hydro, battery and compressed air energy systems are compared based on the total shortage time and total fuel consumption of backup diesel generators. The Monte Carlo simulation was used in order to regenerate the wind speed data with 10 minute resolution to represent more accurate variable wind speed. The proposed Harvested Energy Index (HEI) showed the ability of energy storage systems with low efficiency in utilizing excess wind energy and reach their storage capacity. Based on the obtained results, a novel general control concept for such systems is proposed and its steady state simulation results are discussed.
Archaean andesite petrogenesis: Insights from the Grædefjord Supracrustal Belt, southern West Greenland
Creators: name: Szilas, Kristoffer
name: Hoffmann, J. Elis
name: Scherstén, Anders
name: Kokfelt, Thomas F.
name: Münker, Carsten
Publisher: name: Columbia University
Year: 2013
Subjects: subject: Geochemistry
subject: FOS: Earth and related environmental sciences
subject: Continents
subject: Geodynamics
subject: Geology

description: We present new whole-rock major, trace and platinum-group element data, as well as Sm–Nd and Lu–Hf isotope data for meta-volcanic rocks from the Mesoarchaean Grædefjord Supracrustal Belt (GSB), located within the Tasiusarsuaq terrane, southern West Greenland. We also present new in situ zircon U–Pb isotope data (by LA-ICP-MS) for associated felsic rocks. This region has experienced amphibolite to lower granulite facies metamorphism, causing re-equilibration of most mineral phases (including zircon).

An intrusive tonalite sheet with a zircon U–Pb age of 2888 ±6.8 Ma, yields a minimum age for the GSB. The Sm–Nd and Lu–Hf isotope data do not provide meaningful isochron ages, but the isotope compositions of the mafic rocks are consistent with the ca. 2970 Ma regional volcanic event, which is documented in previous studies of the Tasiusarsuaq terrane. The major and trace element data suggest a significant crustal contribution in the petrogenesis of andesitic volcanic rocks in the GSB. The trace element variation of these andesitic leucoamphibolites cannot be explained by bulk assimilation–fractional-crystallisation (AFC) processes involving local basement. Rather, the observed patterns require binary mixing between basaltic and felsic end-member magmas with between 50% and 80% contributions from the latter (depending on the assumed felsic composition). Hf-isotope constraints point to contamination with pre-existing continental crust with an age of ca. 3250 Ma. Basement gneisses of this age were previously described at two localities in the Tasiusarsuaq terrane, which supports the mixing hypothesis. Thus the felsic end-member likely represents melts derived from the local basement.

Ultramafic rocks (18.35–22.80 wt.% MgO) in GSB have platinum-group element (PGE) patterns that are similar to magmas derived from high-degree melting of mantle, but they have relatively enriched trace element patterns. We propose that the ultramafic rocks represent arc-related picrites or alternatively were derived by melting of metasomatised sub-continental lithospheric mantle.

Overall these new geochemical data from the Mesoarchaean Grædefjord Supracrustal Belt and the petrogenetic mixing model in particular, are similar to observations from modern continental subduction zone environments, which also require large degrees of mixing with felsic basement melts. Therefore, we propose that the metavolcanic rocks formed in a modern-style subduction zone geodynamic setting, which due to the hotter Archaean mantle conditions allowed for substantial amounts of partial melting and magma mixing, rather than assimilating pre-existing continental crust.
Toward GIT stability of syzygies of canonical curves
Creators: name: Deopurkar, Anand
name: Fedorchuk, Maksym
name: Swinarski, David
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We introduce the problem of GIT stability for syzygy points of canonical curves with a view toward a GIT construction of the canonical model of the moduli space of stable curves. As the first step in this direction, we prove semi-stability of the first syzygy point for a general canonical curve of odd genus.
description: 21 pages. v2: minor typographical and exposition changes; comments are welcome
European administrative networks, private networks and agencies: coexisting, cooperating or competing?
Creators: name: Eckert, Sandra
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Sociology
subject: FOS: Sociology
subject: Marine Biology
subject: Science Policy

description: Little attention has been paid to the relations between European agencies and regulatory networks in existing research, and the role of private networks has not been considered. This article fills this research gap and examines when sectoral bodies coexist, cooperate or compete. It develops a conceptual framework to map the diversity of sectoral bodies, and identifies mission- and resource-related explanatory factors for types of interaction. The qualitative comparison analyses a case with multiple public bodies (banking), as opposed to a case with agency and network structures as well as public and private bodies (electricity). The findings support arguments in existing research, namely that cooperation is driven by resource complementarity and mission overlap. Further, they point to the relevance of mission and resource rivalries as explanations for conflictual relations, and show that resource- and mission-related factors materialise very differently across distinct institutional settings. The conceptual framework paves the way for further cross-sectoral analysis of inter-organisational relations in the European administrative space.
Citizen Sensors for SHM: Use of Accelerometer Data from Smartphones
Creators: name: Feng, Maria Q.
name: Fukuda, Yoshio
name: Mizuta, Masato
name: Ozer, Ekin
Publisher: name: Columbia University
Year: 2015
Subjects: subject: Physics
subject: Civil engineering
subject: FOS: Civil engineering
subject: Mechanical engineering
subject: FOS: Mechanical engineering

description: Ubiquitous smartphones have created a significant opportunity to form a low-cost wireless Citizen Sensor network and produce big data for monitoring structural integrity and safety under operational and extreme loads. Such data are particularly useful for rapid assessment of structural damage in a large urban setting after a major event such as an earthquake. This study explores the utilization of smartphone accelerometers for measuring structural vibration, from which structural health and post-event damage can be diagnosed. Widely available smartphones are tested under sinusoidal wave excitations with frequencies in the range relevant to civil engineering structures. Large-scale seismic shaking table tests, observing input ground motion and response of a structural model, are carried out to evaluate the accuracy of smartphone accelerometers under operational, white-noise and earthquake excitations of different intensity. Finally, the smartphone accelerometers are tested on a dynamically loaded bridge. The extensive experiments show satisfactory agreements between the reference and smartphone sensor measurements in both time and frequency domains, demonstrating the capability of the smartphone sensors to measure structural responses ranging from low-amplitude ambient vibration to high-amplitude seismic response. Encouraged by the results of this study, the authors are developing a citizen-engaging and data-analytics crowdsourcing platform towards a smartphone-based Citizen Sensor network for structural health monitoring and post-event damage assessment applications.
title: Recovery of polyphenols from agri-food by-products with whey protein stabilised colloidal gas aphrons
Creators: name: De La Cruz Molina, Aimara Victoria
Publisher: name: University of Reading
Year: 2025

description: Valorisation of food waste and losses is of great importance to achieve sustainability and a way to allocate these materials at a higher level in the waste management hierarchy. Moreover, food by-products are sources of important molecules such as proteins and polyphenols. In the present study, colloidal gas aphrons (CGA), surfactant stabilized micro bubbles with separation properties, are generated for the first time from whey protein (CGA(WPI) and investigated for separation and stabilisation of polyphenols extracted from fruit processing by-products. The capacity of whey protein to generate CGA was measured and compared against CGA made of Tween 20. Phenolic extracts were obtained using ethanol and methanol for comparison; CGA were then applied to hydroalcoholic extracts. The recovery of polyphenols, antioxidant activity and anthocyanins stability under storage were then investigated. Additionally, the encapsulation through nano spray drying and in vitro digestion of a raw grape marc extract using whey protein and pectin was also assessed. The main outcome was the production of stable CGA(WPI), with comparable characteristics to those of CGA(Tween 20). The application of CGA to various hydroalcoholic extracts showed that the type of polyphenols and surfactant influenced the recovery yields, especially anthocyanins, possibly due to near-neutral pH. CGA(WPI) and CGA(Tween 20) displayed a stabilisation effect for most of the evaluated anthocyanins. Both, separation and stabilisation, could be linked to the hydrophobic interactions occurring between surfactants and polyphenols, as well as hydrogen bonding in the case of CGA(WPI). Finally, the encapsulation through nano-spray drying led to microparticles with reduced size compared to spray drying, and improved bioaccessibility of polyphenols after in vitro digestion. In conclusion, CGA(WPI) demonstrated to be effective in the separation of polyphenols, and a novel way to use whey protein and fruit by-products. Moreover, it opens the perspective for CGA to be used as a pre-formulation step for the development of functional foods and nutraceuticals.
Impacts of behavioral changes associated with the COVID-19 stay-at-home orders on urban water use
Creators: name: DL Li
Publisher: name: figshare
Year: 2020
Subjects: subject: Hydrology
subject: Environmental Science
subject: 50204 Environmental Impact Assessment
subject: FOS: Earth and related environmental sciences
subject: 50205 Environmental Management
subject: 90509 Water Resources Engineering
subject: FOS: Civil engineering

description: This repository includes all the code and data that can be used to reproduce and extend the analysis in the manuscript entitled "Behavioral Changes from the COVID-19 pandemic reduce urban water use" by Dongyue Li, Ruth A. Engel, Xiaoyu Ma, Erik Porse, Jonathan D. Kaplan, Steven A. Margulis, and Dennis P. Lettenmaier.
Abstract of the manuscript: Disrupted work and life routines during the COVID-19 pandemic had the potential to significantly affect domestic water use. We present here an analysis of how pandemic-related behavioral changes affect urban water consumption. We isolate the influence of these behavioral changes on water use from the influence of non-pandemic factors for essentially all urban areas in California. Compared with a business-as-usual (non-pandemic) scenario, the pandemic-related behavioral changes decreased California’s urban water use by 7.9%, which is largely attributable to an 11.2% decrease in the commercial, industrial, and institutional sector that more than offset a 1.4% increase in the residential sector. The influence of the stay-at-home practices on urban water use is slightly stronger than the combined influences of all the non-pandemic natural and anthropogenic factors.
British Columbia Legislative Assembly sessional clipping book (1929-03)
Creators: name: :Unav
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: Law
valueUri: http://id.worldcat.org/fast/993678
subject: FOS: Law
subject: Politics and government
valueUri: http://id.worldcat.org/fast/1919741
subject: British Columbia. Legislative Assembly
valueUri: http://id.worldcat.org/fast/600765

description: These Sessional Clippings books cover the period 1891 to 1972, and include newspaper accounts written by various legislative reporters who covered debates occurring in the British Columbia Legislative Assembly. Transcripts of debates of the Legislative Assembly (Hansard) were not published in B.C. until 1970; hence these "Sessional Clipping Books" augment the "Journals", the record of daily proceedings of the Legislative Assembly. Selected clippings from various newspapers including the Vancouver Sun, the Vancouver Province, the Colonist, and the Times newspapers, relating to the newspaper reports concerning activities of the Legislature. The original sessional clippings books comprise 351 ledger size print volumes, held at the Legislative Library in Victoria BC. The print volumes were microfilmed onto 26 reels in 1977 under a Tri University Libraries (TRIUL) project by Precision Micrographic Services (Vancouver, B.C.), with the permission of the Legislative Library, Victoria, British Columbia. This digital collection was created by scanning the 26 microfilm reels.
Stabilizing the Semilocal String with a Dilatonic Coupling
Creators: name: Perivolaropoulos, Leandros
name: Platis, Nikos
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We demonstrate that the stability of the semilocal vortex can be significantly improved by the presence of a dilatonic coupling of the form e^\frac{q | Φ|^2}{η^2} F_{μν}F^{μν} with q>0 where ηis the scale of symmetry breaking that gives rise to the vortex. For q=0 we obtain the usual embedded (semilocal) Nielsen-Olesen vortex. We find the stability region of the parameter β= (\frac{m_Φ}{m_A})^2 (m_Φand m_A are the masses of the scalar and gauge fields respectively). We show that the stability region of βis 0
description: 4 pages, 4 Figures. The numerical analysis files are available by e-mail upon request
Discussion for the Solutions of Dyson-Schwinger Equations at m>0 in QED3
Creators: name: Zhu, Hui-xia
name: Feng, Hong-tao
name: Sun, Wei-min
name: Zong, Hong-shi
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In the case of nonzero fermion mass, within a range of Ansatze for the full fermion-boson vertex, we show that Dyson-Schwinger equation for the fermion propagator in QED3 has two qualitatively distinct dynamical chiral symmetry breaking solutions. As the fermion mass increases and reaches to a critical value mc, one solution disappears, and the dependence of mc on the number of fermion flavors is also given.
description: 5 pages, 3 figures
Coupling Intensive Land Use and Landscape Ecological Security for Urban Sustainability: An Integrated Socioeconomic Data and Spatial Metrics Analysis in Hangzhou City
Creators: name: Cen, Xiaoteng
name: Wu, Cifang
name: Xing, Xiaoshi
name: Fang, Ming
name: Garang, Zhuoma
name: Wu, Yizhou
Publisher: name: Columbia University
Year: 2015
Subjects: Sustainability
City planning
Land use--Planning

description: Despite the unprecedented rate of urbanization throughout the world, human society is still facing the challenge of coordinating urban socioeconomic development and ecological conservation. In this article, we integrated socioeconomic data and spatial metrics to investigate the coupling relationship between intensive land use (ILU) system and landscape ecological security (LES) system for urban sustainable development, and to determine how these systems interact with each other. The values of ILU and LES were first calculated according to two evaluation subsystems under the pressure-state-response (PSR) framework. A coupling model was then established to analyze the coupling relationship within these two subsystems. The results showed that the levels of both subsystems were generally increasing, but there were several fluctuation changes in LES. The interaction in each system was time lagged; urban land use/cover change (LUCC) and ecosystem transformation were determined by political business cycles and influenced by specific factors. The coupling relationship underwent a coordinated development mode from 1992–2012. From the findings we concluded that the coupling system maintained a stable condition and underwent evolving threshold values. The integrated ILU and LES system was a coupling system in which subsystems were related to each other and internal elements had mutual effects. Finally, it was suggested that our results provided a multi-level interdisciplinary perspective on linking socioeconomic-ecological systems. The implications for urban sustainable development were also discussed.
Strengthening Resilience of Supply with Essential Goods through Public-Private Emergency Collaborations: Challenges and Incentives
Creators: name: Lüttenberg, Markus
Publisher: name: KIT Scientific Publishing
Year: 2023
Subjects: Krisenmanagement
Öffentlich-Private Partnerschaft
Humanitäre Logistik
Kollaboration
Anreize
crisis management
public-private partnership
humanitarian logistics
collaboration
incentives

description: Companies can be valuable partners in delivering essential goods but must be appropriately motivated to participate in humanitarian crisis management. This work provides valuable insights into the status of humanitarian crisis management from the perspective of different stakeholders. It shows the potential of collaborative approaches, addressing the strengths and incentives of stakeholders accordingly.
Asteroseismology of fast-rotating stars: the example of alpha Ophiuchi
Creators: name: Mirouh, Giovanni M.
name: Reese, Daniel R.
name: Lara, Francisco Espinosa
name: Ballot, Jérôme
name: Rieutord, Michel
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences
subject: 85-06

description: Many early-type stars have been measured with high angular velocities. In such stars, mode identification is difficult as the effects of fast and differential rotation are not well known. Using fundamental parameters measured by interferometry, the ESTER structure code and the TOP oscillation code, we investigate the oscillation spectrum of Rasalhague (alpha Ophiuchi), for which observations by the MOST satellite found 57 oscillations frequencies. Results do not show a clear identification of the modes and highlight the difficulties of asteroseismology for such stars with a very complex oscillation spectrum.
description: 2 pages, 2 figures, Poster contribution to IAU Symposium 301: Precision Asteroseismology
A review of historical reconstruction methods of land use/land cover
Creators: name: Yang, Yuanyuan
name: Zhang, Shuwen
name: Yang, Jiuchun
name: Chang, Liping
name: Bu, Kun
name: Xing, Xiaoshi
Publisher: name: Columbia University
Year: 2014
Subjects: Physical geography
Regional planning
Geography
History

description: Understanding long-term human-environment interactions requires historical reconstruction of past land-use and land-cover changes. Most reconstructions have been based primarily on consistently available and relatively standardized information from historical sources. Based on available data sources and a retrospective research, in this paper we review the approaches and methods of the digital reconstruction and analyze their advantages and possible constraints in the following aspects: (1) Historical documents contain qualitative or semi-quantitative information about past land use, which also usually include land-cover data, but preparation of archival documents is very time-consuming. (2) Historical maps and pictures offer visual and spatial quantitative land-cover information. (3) Natural archive has significant advantages as a method for reconstructing past vegetation and has its unique possibilities especially when historical records are missing or lacking, but it has great limits of rebuilding certain land-cover types. (4) Historical reconstruction models have been gradually developed from empirical models to mechanistic ones. The method does not only reconstruct the quantity of land use/cover in historical periods, but it also reproduces the spatial distribution. Yet there are still few historical land-cover datasets with high spatial resolution. (5) Reconstruction method based on multiple-source data and multidisciplinary research could build historical land-cover from multiple perspectives, complement the missing data, verify reconstruction results and thus improve reconstruction accuracy. However, there are challenges that make the method still in the exploratory stage. This method can be a long-term development goal for the historical land-cover reconstruction. Researchers should focus on rebuilding historical land-cover dataset with high spatial resolution by developing new models so that the study results could be effectively applied in simulations of climatic and ecological effects.
title: Rituelle Büffeltötungen in Südostasien
title: eine vergleichende ethnologische Analyse
titleType: Subtitle
Creators: name: Koch, Julia
Publisher: name: FB 08: Geschichte, Philosophie
Year: 2016
Subjects: 390 Bräuche, Etikette, Folklore

description: Die 2006 eingereichte Magisterarbeit vergleicht die Wertesysteme zweier südostasiatischer Gesellschaften anhand ethnographischen Materials zu rituellen Büffeltötungen auf der lokalen Ebene des Dorfes. Grundlage der Arbeit sind die Ethnographien von Georges Condominas (1957, 1977) zu den Mnong Gar in Vietnam und von Guido Sprenger (2004) zu den Rmeet in Laos. Auf die konzeptionelle Erarbeitung der leitenden Perspektive (Gesellschaft - Ritual - Opfer) folgen die ethnographische Darstellung und die vergleichende Analyse.
Concepts of Antiquarianism and the European Exchange of Books with the Middle East
Creators: name: Riedel, Dagmar A.
Publisher: name: Columbia University
Year: 2015
Subjects: History

description: On 3 January 1608, the Safavid ruler Shah ʿAbbās I (r. 1588–1629) received in Isfahan from the envoys of Pope Clement VIII (1592–1605) several books as diplomatic gifts. Among these were Arabic books recently printed by the Typographia Medicea in Rome, as well as the so-called Crusader Bible, a picture bible whose production is ascribed to mid-thirteenth France (Morgan Library MS M.638). The art historians Sussan Babie, Vera Bash Moreen, and M. Shreve Simpson have noted, with some surprise, that the picture bible did not have any impact on Safavid book production, even though Persian and Judeo-Persian marginal notes indicate that the image cycle of Old Testament stories was closely examined by readers in Iran. Against this background, I will explore notions of value and fashion with regard to the appreciation of “foreign” books in early modern Europe and the Middle East.
Use of Fast Multipole to Accelerate Discrete Circulation-Preserving Vortex Sheets for Soap Films and Foams
Creators: name: Da, Fang
name: Batty, Christopher
name: Wotjan, Chris
name: Grinspun, Eitan
Publisher: name: Columbia University
Year: 2015
Subjects: Computer science

description: We report the integration of a fast multipole method template library “FMMTL” into the discrete circulation-preserving vortex sheets method to accelerate the Biot-Savart integral. We measure the speed-up on a bubble oscillation test with varying mesh resolution. We also report a few examples with higher complexity than previously achieved.
Nuclear Effects in Neutrino Interactions and their Impact on the Determination of Oscillation Parameters
Creators: name: Benhar, Omar
name: Rocco, Noemi
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The quantitative description of the effects of nuclear dynamics on the measured neutrino-nucleus cross sections -- needed to reduce the systematic uncertainty of long baseline neutrino oscillation experiments -- involves severe difficulties. Owing to the uncertainty on the incoming neutrino energy, different reaction mechanisms contribute to the cross section measured at fixed energy and scattering angle of the outgoing lepton, and must therefore be consistently taken into account within a unified model. We review the theoretical approach based on the impulse approximation and the use of realistic nucleon spectral functions, allowing one to describe a variety of reaction mechanisms active in the broad kinematical range covered by neutrino experiments. The extension of this scheme to include more complex mechanisms involving the two-nucleon current, which are believed to be important, is also outlined. The impact of nuclear effects on the determination of neutrino oscillation parameters is illustrated by analyzing the problem of neutrino energy reconstruction.
description: To appear in the special issue of Advances in High Energy Physics on "Neutrino Masses and Oscillations"
Hardware Synthesis from a Recursive Functional Language
Creators: name: Zhai, Kuangya
name: Townsend, Richard Morse
name: Lairmore, Lianne Elizabeth
name: Kim, Martha Allen
name: Edwards, Stephen A.
Publisher: name: Columbia University
Year: 2015
Subjects: Computer science

description: Abstraction in hardware description languages stalled at the register-transfer level decades ago, yet few alternatives have had much success, in part because they provide only modest gains in expressivity. We propose to make a much larger jump: a compiler that synthesizes hardware from behavioral functional specifications. Our compiler translates general Haskell programs into a restricted intermediate representation before applying a series of semantics-preserving transformations, concluding with a simple syntax-directed translation to SystemVerilog. Here, we present the overall framework for this compiler, focusing on the IRs involved and our method for translating general recursive functions into equivalent hardware. We conclude with experimental results that depict the performance and resource usage of the circuitry generated with our compiler.
Focal points and sup-norms of eigenfunctions
Creators: name: Sogge, Christopher D.
name: Zelditch, Steve
Publisher: name: arXiv
Year: 2013
Subjects: subject: Analysis of PDEs (math.AP)
subject: Classical Analysis and ODEs (math.CA)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 35P99

description: If $(M,g)$ is a compact real analytic Riemannian manifold, we give a necessary and sufficient condition for there to be a sequence of quasimodes of order $o(λ)$ saturating sup-norm estimates. In particular, it gives optimal conditions for existence of eigenfunctions satisfying maximal sup norm bounds. The condition is that there exists a self-focal point $x_0\in M$ for the geodesic flow at which the associated Perron-Frobenius operator $U_{x_0}: L^2(S_{x_0}^*M) \to L^2(S_{x_0}^*M)$ has a nontrivial invariant $L^2$ function. The proof is based on an explict Duistermaat-Guillemin-Safarov pre-trace formula and von Neumann's ergodic theorem.
description: 22 pages
Tracer particles for core-collapse supernova nucleosynthesis: The advantages of moving backward
Creators: name: Sieverding, Andre
name: Waldrop, Preston G.
name: Harris, J. Austin
name: Hix, W. Raphael
name: Lentz, Eric J.
name: Bruenn, Stephen W.
name: Messer, O. E. Bronson
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: After decades, the theoretical study of core-collapse supernova explosions is moving from parameterized, spherically symmetric models to increasingly realistic multi-dimensional simulations. Obtaining nucleosynthesis yields based on such multi-dimensional core-collapse supernova (CCSN) simulations, however, is not straightforward and frequently tracer particles are employed. Tracer particles may be tracked in situ during the simulation, but often they are reconstructed in a post-processing step based on the information saved during the hydrodynamics simulation. Reconstruction can be done in a number of ways and here we compare the approaches of backward and forward integration of the equations of motion to the results based on inline particle trajectories. We find that both methods agree reasonably well with the inline results for isotopes for which a large number of particles contribute. However, for rarer isotopes that are produced only by a small number of particle trajectories, deviations can be large. For our setup, we find that backward integration leads to a better agreement with the inline particles by more accurately reproducing the conditions following freeze-out from nuclear statistical equilibrium, because the establishment of nuclear statistical equilibrium erases the need for detailed trajectories at earlier times. Based on our results, if inline tracers are unavailable, we recommend backward reconstruction, to the point when nuclear statistical equilibrium last applied, with an interval between simulation snapshots of at most 1 ms for nucleosynthesis post-processing.
description: 23 pages, 18 figures, sumitted to ApJ
title: Early Neural and Environmental Predictors of Later Emotion Dysregulation in Children with and without ADHD Symptoms
Creators: name: Gair, Shannon
Publisher: name: University of Massachusetts Amherst
Year: 2020

description: Attention deficit/hyperactivity disorder (ADHD) is one of the most common childhood neurodevelopmental disorders and is characterized by excessive inattention and/or hyperactivity and impulsivity. There is evidence that many children with ADHD experience emotion dysregulation, but little is known about the mechanisms by which children with ADHD develop difficulties with emotion dysregulation. The goal of the present study is to identify early neural and environmental predictors of emotion dysregulation and determine whether these factors interact in contributing to later emotion dysregulation. In this study, children (aged 4-7) with ADHD symptoms and typically developing children participated. Measures of emotion socialization and neural measures of emotion reactivity and regulation were completed at the first visit. Follow-up was conducted 18 months later, and emotion dysregulation was assessed using parent report, child self-report, and observed affect during a frustration task. Supportive and unsupportive emotion socialization, distress reactions, and neural markers of reactivity and regulation (P1, N2, and P3) predicted later emotion dysregulation. Additionally, emotion socialization and neural markers during reactivity interacted in predicting later emotion dysregulation, such that neural markers predicted later emotion dysregulation in the context of low but not high quality emotion socialization. This study has implications for understanding mechanisms by which emotion dysregulation develops in children with ADHD symptoms and will aid in the development of targeted interventions for children with ADHD.
Research Organization Registry: Offener Identifier und institutionelle Affiliation
Creators: name: Vierkant, Paul
Publisher: name: Zenodo
Year: 2020
Subjects: ORCID
Open Researcher and Contributor ID
ORCID DE
Organization Identifier
ROR
Persistent Identifier
Open Science

description: Der Vortrag zum Research Organization Registry (ROR) verdeutlicht die Relevanz von Organisations-IDs und stellt die ROR-ID als einen offenen und Community-betriebenen Lösungsansatz vor. Hierbei wird zunächst auf die Herausforderungen im wissenschaftlichen Publikationsprozess eingegangen, dann ROR als Initiative erläutert. Der Vortrag schließt ab mit Beispielimplementierungen und einem Ausblick auf die Zukunft von ROR ab.
Inattentive Valuation and Reference-Dependent Choice
Creators: name: Woodford, Michael
Publisher: name: Columbia University
Year: 2012
Subjects: subject: Economics
subject: Cognitive psychology
subject: Neurosciences
subject: FOS: Clinical medicine

description: In rational choice theory, individuals are assumed always to choose the option that will provide them maximum utility. But actual choices must be based on subjective perceptions of the attributes of the available options, and the accuracy of these perceptions will always be limited by the information-processing capacity of one’s nervous system. I propose a theory of valuation errors under the hypothesis that perceptions are as accurate as possible on average, given the statistical properties of the environment to which they are adapted, subject to a limit on processing capacity. The theory is similar to the “rational inattention” hypothesis of Sims (1998, 2003, 2011), but modified for closer conformity with psychophysical and neurobiological evidence regarding visual perception. It can explain a variety of aspects of observed choice behavior, including the intrinsic stochasticity of choice; focusing effects; decoy effects in consumer choice; reference-dependent valuations; and the co-existence of apparent risk-aversion with respect to gains with apparent risk-seeking with respect to losses. The theory provides optimizing foundations for some aspects of the prospect theory of Kahneman and Tversky (1979).
Are Low Interest Rates Deflationary? A Paradox of Perfect-Foresight Analysis
Creators: name: Woodford, Michael
name: Garcia Schmidt, Mariana Cecilia
Publisher: name: Columbia University
Year: 2015
Subjects: Economics

description: A prolonged period of extremely low nominal interest rates has not resulted in high inflation. This has led to increased interest in the “Neo-Fisherian” proposition according to which low nominal interest rates may themselves cause inflation to be lower. The fact that standard models of the effects of monetary policy have the property that perfect foresight equilibria in which the nominal interest rate remains low forever necessarily involve low inflation (at least eventually) might seem to support such a view. Here, however, we argue that such a conclusion depends on a misunderstanding of the circumstances under which it makes sense to predict the effects of a monetary policy commitment by calculating the perfect foresight equilibrium consistent with the policy. We propose an explicit cognitive process by which agents may form their expectations of future endogenous variables. Under some circumstances, such as a commitment to follow a Taylor rule, a perfect foresight equilibrium (PFE) can arise as a limiting case of our more general concept of reflective equilibrium, when the process of reflection is pursued sufficiently far. But we show that an announced intention to fix the nominal interest rate for a long enough period of time creates a situation in which reflective equilibrium need not resemble any PFE. In our view, this makes PFE predictions not plausible outcomes in the case of policies of the latter sort. According to the alternative approach that we recommend, a commitment to maintain a low nominal interest rate for longer should always be expansionary and inflationary, rather than causing deflation; but the effects of such “forward guidance” are likely, in the case of a long-horizon commitment, to be much less expansionary or inflationary than the usual PFE analysis would imply.
title: An das Land! Wir haben schon einmal in dieser verhängnißvollen Zeit unsere Worte an Euch, Bewohner unseres Preußenreichs gerichtet ...; [1848]
title: [Brandenburg, am 2. Dezember 1848]
titleType: Subtitle
Creators: name: Baumstark, Eduard
Publisher: name: Universitätsbibliothek der Ludwig-Maximilians-Universität München
Year: 2018

description: Kopftitel
British Columbia Legislative Assembly sessional clipping book (1930-01)
Creators: name: :Unav
Publisher: name: University of Victoria Libraries
Year: 2022
Subjects: subject: British Columbia. Legislative Assembly
valueUri: http://id.worldcat.org/fast/600765
subject: Politics and government
valueUri: http://id.worldcat.org/fast/1919741
subject: Law
valueUri: http://id.worldcat.org/fast/993678
subject: FOS: Law

description: These Sessional Clippings books cover the period 1891 to 1972, and include newspaper accounts written by various legislative reporters who covered debates occurring in the British Columbia Legislative Assembly. Transcripts of debates of the Legislative Assembly (Hansard) were not published in B.C. until 1970; hence these "Sessional Clipping Books" augment the "Journals", the record of daily proceedings of the Legislative Assembly. Selected clippings from various newspapers including the Vancouver Sun, the Vancouver Province, the Colonist, and the Times newspapers, relating to the newspaper reports concerning activities of the Legislature. The original sessional clippings books comprise 351 ledger size print volumes, held at the Legislative Library in Victoria BC. The print volumes were microfilmed onto 26 reels in 1977 under a Tri University Libraries (TRIUL) project by Precision Micrographic Services (Vancouver, B.C.), with the permission of the Legislative Library, Victoria, British Columbia. This digital collection was created by scanning the 26 microfilm reels.
Dynamical symmetries in the fluctuation-driven regime: an application of Noether's theorem to noisy dynamical systems
Creators: name: Vastola, John J.
Publisher: name: arXiv
Year: 2025
Subjects: subject: Machine Learning (cs.LG)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: Noether's theorem provides a powerful link between continuous symmetries and conserved quantities for systems governed by some variational principle. Perhaps unfortunately, most dynamical systems of interest in neuroscience and artificial intelligence cannot be described by any such principle. On the other hand, nonequilibrium physics provides a variational principle that describes how fairly generic noisy dynamical systems are most likely to transition between two states; in this work, we exploit this principle to apply Noether's theorem, and hence learn about how the continuous symmetries of dynamical systems constrain their most likely trajectories. We identify analogues of the conservation of energy, momentum, and angular momentum, and briefly discuss examples of each in the context of models of decision-making, recurrent neural networks, and diffusion generative models.
description: Accepted to the NeurIPS 2024 Workshop on Symmetry and Geometry in Neural Representations (NeurReps)
Synaptic therapy in Alzheimer's disease: a CREB-centric approach.
Creators: name: Teich, Andrew Franklin
name: Nicholls, Russell E.
name: Puzzo, Daniela
name: Fiorito, Jole
name: Purgatorio, Rosa
name: Fa, Mauro
name: Arancio, Ottavio
Publisher: name: Columbia University
Year: 2015
Subjects: subject: Mental health
subject: Medicine
subject: Pathology
subject: Neurosciences
subject: FOS: Clinical medicine

description: Therapeutic attempts to cure Alzheimer's disease (AD) have failed, and new strategies are desperately needed. Motivated by this reality, many laboratories (including our own) have focused on synaptic dysfunction in AD because synaptic changes are highly correlated with the severity of clinical dementia. In particular, memory formation is accompanied by altered synaptic strength, and this phenomenon (and its dysfunction in AD) has been a recent focus for many laboratories. The molecule cyclic adenosine monophosphate response element-binding protein (CREB) is at a central converging point of pathways and mechanisms activated during the processes of synaptic strengthening and memory formation, as CREB phosphorylation leads to transcription of memory-associated genes. Disruption of these mechanisms in AD results in a reduction of CREB activation with accompanying memory impairment. Thus, it is likely that strategies aimed at these mechanisms will lead to future therapies for AD. In this review, we will summarize literature that investigates 5 possible therapeutic pathways for rescuing synaptic dysfunction in AD: 4 enzymatic pathways that lead to CREB phosphorylation (the cyclic adenosine monophosphate cascade, the serine/threonine kinases extracellular regulated kinases 1 and 2, the nitric oxide cascade, and the calpains), as well as histone acetyltransferases and histone deacetylases (2 enzymes that regulate the histone acetylation necessary for gene transcription).
An Optimizing Neuroeconomic Model of Discrete Choice
Creators: name: Woodford, Michael
Publisher: name: Columbia University
Year: 2014
Subjects: subject: Economics
subject: Psychology
subject: FOS: Psychology
subject: Cognitive psychology

description: A model is proposed in which stochastic choice results from noise in cognitive processing rather than random variation in preferences. The mental process used to make a choice is nonetheless optimal, subject to a constraint on available information-processing capacity that is partially motivated by neurophysiological evidence. The optimal information-constrained model is found to offer a better fit to experimental data on choice frequencies and reaction times than either a purely mechanical process model of choice (the drift-diffusion model) or an optimizing model with fewer constraints on feasible choice processes (the rational inattention model).
Pacific Lamprey Inspired Climbing
Creators: name: Van Stratum, Brian
name: Shoele, Kourosh
name: Clark, Jonathan E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Robotics (cs.RO)
subject: FOS: Computer and information sciences

description: Snakes and their bio-inspired robot counterparts have demonstrated locomotion on a wide range of terrains. However, dynamic vertical climbing is one locomotion strategy that has received little attention in the existing snake robotics literature. We demonstrate a new scansorial gait and robot inspired by the locomotion of the Pacific Lamprey. This new gait allows a robot to steer while climbing on flat, near-vertical surfaces. A reduced-order model is developed and used to explore the relationship between body actuation and vertical and lateral motions of the robot. Trident, the new wall climbing lamprey-inspired robot, demonstrates dynamic climbing on flat vertical surfaces with a peak net vertical stride displacement of 4.1 cm per step. Actuating at 1.3 Hz, Trident attains a vertical climbing speed of 4.8 cm/s (0.09 Bl/s) at specific resistance of 8.3. Trident can also traverse laterally at 9 cm/s (0.17 Bl/s). Moreover, Trident is able to make 14\% longer strides than the Pacific Lamprey when climbing vertically. The computational and experimental results demonstrate that a lamprey-inspired climbing gait coupled with appropriate attachment is a useful climbing strategy for snake robots climbing near vertical surfaces with limited push points.
Targeting Human Central Nervous System Protein Kinases: An Isoform Selective p38αMAPK Inhibitor That Attenuates Disease Progression in Alzheimer’s Disease Mouse Models
Creators: name: Roy, Saktimayee M.
name: Grum-Tokars, Valerie L.
name: Schavocky, James P.
name: Saeed, Faisal
name: Staniszewski, Agnieszka
name: Teich, Andrew Franklin
name: Arancio, Ottavio
name: Bachstetter, Adam D.
name: Webster, Scott J.
name: Van Eldik, Linda J.
name: Minasov, George
name: Anderson, Wayne F.
name: Pelletier, Jeffrey C.
name: Watterson, D. Martin
Publisher: name: Columbia University
Year: 2015
Subjects: Pharmacology
Drugs
Mental health
Medicine
Pathology

description: The first kinase inhibitor drug approval in 2001 initiated a remarkable decade of tyrosine kinase inhibitor drugs for oncology indications, but a void exists for serine/threonine protein kinase inhibitor drugs and central nervous system indications. Stress kinases are of special interest in neurological and neuropsychiatric disorders due to their involvement in synaptic dysfunction and complex disease susceptibility. Clinical and preclinical evidence implicates the stress related kinase p38αMAPK as a potential neurotherapeutic target, but isoform selective p38αMAPK inhibitor candidates are lacking and the mixed kinase inhibitor drugs that are promising in peripheral tissue disease indications have limitations for neurologic indications. Therefore, pursuit of the neurotherapeutic hypothesis requires kinase isoform selective inhibitors with appropriate neuropharmacology features. Synaptic dysfunction disorders offer a potential for enhanced pharmacological efficacy due to stress-induced activation of p38αMAPK in both neurons and glia, the interacting cellular components of the synaptic pathophysiological axis, to be modulated. We report a novel isoform selective p38αMAPK inhibitor, MW01-18-150SRM (=MW150), that is efficacious in suppression of hippocampal-dependent associative and spatial memory deficits in two distinct synaptic dysfunction mouse models. A synthetic scheme for biocompatible product and positive outcomes from pharmacological screens are presented. The high-resolution crystallographic structure of the p38αMAPK/MW150 complex documents active site binding, reveals a potential low energy conformation of the bound inhibitor, and suggests a structural explanation for MW150’s exquisite target selectivity. As far as we are aware, MW150 is without precedent as an isoform selective p38MAPK inhibitor or as a kinase inhibitor capable of modulating in vivo stress related behavior.
Conceptual ship design, general arrangement & integration of the human element: a proposed framework for the engine department w
Creators: name: MALLAM, Steven C.
name: LUNDH, Monica
Publisher: name: CPH Conference : 11th International Symposium on Human Factors in Organisational Design and Management
Year: 2014

description: Technological advancements and reducing crew numbers have contributed to
evolving relationships between engine department operations and end-user demands. The work environment plays a crucial role in supporting the human element and should be considered throughout the design process of a new-build ship project. This investigation examined how end-user interests can be integrated early in ship development. A case study of a ship’s preliminary general arrangement was used to map linkages between key engine department locations and equipment relevant for end-user tasks. The analysis revealed ship design deficiencies, which could negatively impact end-user logistics and functions if
implemented in construction.
歪み可視化シート映像の遠隔収集と評価用携帯アプリ
Creators: name: TODOROKI, Shin-ichi
Publisher: name: National Institute for Materials Science
Year: 2019
Subjects: bring your own device
computer vision
internet of things
outdoor monitoring system
photonic crystal
real time image analysis
strain sensor
structural color

description: 2019年3月にSPIEシンポジウム(コロラド市米国)で講演した内容( https://doi.org/10.1117/12.2513829 )に、最新の情報を加えて報告する。歪可視化シートを屋外のコンクリート構造物のひび割れ検知に利用するにあたって問題になるのは、広範囲に多数設置したシートの状態を効率的に把握する方法の確立である。2つの方法を提案する。シートの自動撮影システムを、太陽光発電で駆動させ、IoT技術を使ってデータ取得できるように開発した。また、シートの変色具合を携帯電話アプリ上での画像解析で評価できるようにした。