cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Breakup of rotating asymmetric quartic-quadratic trapped condensates
Creators: name: Brito, Leonardo
name: Andriati, Alex
name: Tomio, Lauro
name: Gammal, Arnaldo
Publisher: name: arXiv
Year: 2020
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: The threshold conditions for a rotating pancake-like asymmetric quartic-quadratic confined condensate to break in two localized fragments, as well as to produce giant vortex at the center within the vortex-pattern distributions, are investigated within the Thomas-Fermi (TF) approximation and exact numerical solution of the corresponding Gross-Pitaevskii (GP) formalism. By comparing the TF predictions with exact GP solutions, in our investigation with two different quartic-quadratic trap geometries, of particular relevance is to observe that the TF approach is not only very useful to display the averaged density distribution, but also quite realistic in establishing the critical rotational conditions for the breakup occurrence and possible giant-vortex formation. It provides almost exact results to define the contour of the condensate distribution, even for high rotating system, after the system split in two (still confined) clouds. The applicability of the Feynman rule to the vortex distribution (full-numerical GP solutions) is also being confirmed for these non-homogeneous asymmetric trap configurations. This study is expected to be relevant for manipulating the rotation and trap parameters in addition to Feshbach resonance techniques. It can also be helpful to define initial conditions for any further studies on dynamical evolution of vortex pattern distributions.
description: 13 pages, 10 figures, 3 tables
Reduction of bias for sparsity promoting regularization in MPI
Creators: name: Nawwas, Lina
name: Brandt, Christina
name: Szwargulski, Patryk
name: Knopp, Tobias
name: Möddel, Martin
Publisher: name: International Journal on Magnetic Particle Imaging
Year: 2021

description: Magnetic Particle Imaging (MPI) is a tracer based medical imaging modality with great potential due to its high sensitivity, high spatial and temporal resolution, and its ability to quantify the tracer concentration. Image reconstruction in MPI is an ill-posed problem, which can be addressed by regularization methods that lead to a reconstruction bias, which is apparent in a systematic mismatch between true and reconstructed tracer distribution. This is expressed in a background signal, a mismatch of the spatial support of the tracer distribution and a mismatch of its values. In this work, MPI reconstruction bias and its impact are investigated and a recently proposed debiasing method with significant bias reduction capabilities is adopted. Int. J. Mag. Part. Imag. 7(2), 2021, Article ID: 2112002, DOI: 10.18416/IJMPI.2021.2112002
description: International Journal on Magnetic Particle Imaging, Vol 7 No 2 (2021)
Arbitrage Opportunities and their Implications to Derivative Hedging
Creators: name: Panayides, Stephanos
Publisher: name: arXiv
Year: 2005
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: Pricing of Securities (q-fin.PR)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: We explore the role that random arbitrage opportunities play in hedging financial derivatives. We extend the asymptotic pricing theory presented by Fedotov and Panayides [Stochastic arbitrage return and its implication for option pricing, Physica A 345 (2005), 207-217] for the case of hedging a derivative when arbitrage opportunities are present in the market. We restrict ourselves to finding hedging confidence intervals that can be adapted to the amount of arbitrage risk an investor will permit to be exposed to. The resulting hedging bands are independent of the detailed statistical characteristics of the arbitrage opportunities.
description: 10 pages, 2 figures added references, corrected typos
Factors relating to outcomes on the maximum voluntary effort test
Creators: name: Iwama, Michael
Publisher: name: University of British Columbia
Year: 2009

description: The Maximum Voluntary Effort testA b(MstrVaEct) is an integral part of a battery of tests commonly referred to as the Functional Capacity Evaluation (FCE). The MVE purportedly measures sincerity of effort by analyzing the degree of variation in repeated maximal handgrip strength trials. However not much is known about the performances of chronically disabled people on the MVE and the construct validity of the test is unclear. The first purpose of this study was to describe the performance of a chronically injured population and compare it with known performances, particularly Matheson, Carlton and Niemeyer's (1989) sample. The second purpose was to determine how certain factors of a chronically injured population related to MVE outcome measures. Descriptive and correlative statistical analyses were applied to data collected from the chart records of 100 consecutive injury claimants (female n= 69, male n=31) who had undergone an FCE at a private rehabilitation clinic in the lower mainland region of British Columbia. The performances of the total, female, and male samples on the MVE test were analyzed according to peak grip strength and variability. Maximum Voluntary Effort test outcomes (dependent variable) were examined according to their relationship to 5 demographic and 5 diagnostic independent variables. Expected patterns of grip-strength performance were generally observed. A curvilinear relationship between strength and age was evident with mean grip strength scores peaking at the 31-36 years of age cohort for both genders. Male and dominant hand measures were slightly greater than female and non-dominant hand, respectively. Generally, grip-strength was substantially diminuted suggesting decreased physical strength and fatigue tolerance trends among the sample. Compared with Matheson et al's sample, median grip scores were similar but variance was generally greater by as much as 5.5%. Three of the 10 independent variables showed statistically significant relationships with MVE outcomes; 'occupation' (demographic variable, Chi Square= 13.562, df=5, p=.019), 'referral source' (diagnostic variable, Chi Square= 23.306, df=l, p=.000) and number of injury 'episodes' (diagnostic variable, Chi Square=27.600, df=2, p=.000). The relationship of depression, measured by the BDI, with MVE outcomes remained unclear as 16 subjects with positive MVEs had not completed the BDI.
title: The impact of the modernisation of Iran on Kurdish society : modernity, modernisation and social change (1920-1979)
Creators: name: Cabi, Marouf
Publisher: name: University of St Andrews
Year: 2019

description: This PhD study examines the consequences of modernity and modernisation for Kurdish-Iranian society in the twentieth century. It identifies a dual process of socio-economic transformation and homogenisation of culture and identity, the dialectics of which (re)formed the economic, social, political and cultural structures of modern Kurdish society in Iran. As a result, socio-economically, Kurdish society became integrated in modern Iran, whereas it vigorously resisted homogenisation of identity and culture; at the same time, it maintained porous cultural borders with other societies in Iran, and continued to be shaped by mechanisms of modern cultural encounters. The socio-economic transformation of Iran strengthened and created new bonds between societies in Iran, while at the same time resistance and struggle for political and cultural rights became permanent characteristics of Kurdish-Iranian society. During the modernisation of Iran, the era of the ‘White Revolution’ is distinguished for the profound transformation of Iran it entailed. Therefore, an interpretation of the era constitutes the main concern of this thesis because, building on previous attempts to modernise Iran, the era of the White Revolution was crucial in engendering profound changes in Kurdish society. The theoretical framework of this study is informed by theories of social change and transformation against modernisation theories, and by theories of nation and nationalism which theoretically enable this research to distance itself from national narratives. Significantly, this framework includes a range of cultural critiques, benefits from studies of homogenisation and state formation, and relies on rich scholarly works on the formation of modern Iran, which, when combined, accentuate the cultural, political and social dimensions of modern nation-building in Iran. The result is a multi-dimensional approach to social change in Kurdish society. It is the dynamics of the dual process which continue to (re)form the foundations of Kurdish society in Iran; and it is this approach which I regard as a crucial contribution to both Kurdish and Iranian studies.
In-situ data analytics for highly scalable cloud modelling on Cray machines
Creators: name: Brown, Nick
name: Weiland, Michèle
name: Hill, Adrian
name: Shipway, Ben
Publisher: name: arXiv
Year: 2020
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: FOS: Computer and information sciences

description: MONC is a highly scalable modelling tool for the investigation of atmospheric flows, turbulence and cloud microphysics. Typical simulations produce very large amounts of raw data which must then be analysed for scientific investigation. For performance and scalability reasons this analysis and subsequent writing to disk should be performed in-situ on the data as it is generated however one does not wish to pause the computation whilst analysis is carried out. In this paper we present the analytics approach of MONC, where cores of a node are shared between computation and data analytics. By asynchronously sending their data to an analytics core, the computational cores can run continuously without having to pause for data writing or analysis. We describe our IO server framework and analytics workflow, which is highly asynchronous, along with solutions to challenges that this approach raises and the performance implications of some common configuration choices. The result of this work is a highly scalable analytics approach and we illustrate on up to 32768 computational cores of a Cray XC30 that there is minimal performance impact on the runtime when enabling data analytics in MONC and also investigate the performance and suitability of our approach on the KNL.
description: This is the pre-peer reviewed version of the following article: Leveraging MPI RMA to optimise halo-swapping communications in MONC on Cray machines, which has been published in final form at https://doi.org/10.1002/cpe.4331
GlobaLID: A New Community-Driven Research Data Infrastructure for Sharing Fair Lead Isotope Data
Creators: name: Rose, Thomas
name: Greifelt, Tim
name: Westner, Katrin
name: Hornschuch, Annette
name: Hsu, Yiu-Kang
name: Wiethoff, Helge
name: Klein, Sabine
Publisher: name: Zenodo
Year: 2024
Subjects: Archaeology
Lead isotopes

description: Lead isotopes currently are the most powerful method for the reconstruction of the raw material provenance of non-ferrous metals. Crucial for the successful application of the Pb isotope method are reference data from all potential ore deposits or other suitable materials with a known production location. The first open-access database with such data was OXALID, and many more followed since. They all have two major drawbacks: They are static, i.e. either not maintained anymore or published as spreadsheets in, e.g. the supporting information of articles. They each follow their own approach in the description of the data, sometimes resulting in ambiguous or missing information. Consequently, Pb isotope data currently largely lack interoperability, making this strategy obsolete.

GlobaLID aims to overcome this problem by developing an infrastructure to publish, access, and use Pb isotope reference data and supporting meta-information that comply as much as possible with the FAIR principles. Development will be carried out in close contact with the community to ensure that the infrastructure meets its needs and becomes deeply rooted in it. GlobaLID’s aim is to reuse already existing solutions,standards, and infrastructures wherever possible. These efforts are complemented by the development of corresponding open educational resources and the organisation of training workshops.

This contribution will present GlobaLID with a focus on its strategy in positioning itself among already existing research infrastructures and within the Pb isotope community. A key element of this strategy is the combination of technological aspects to ensure interoperability and close interlinkage with a comprehensive effort to involve the community and all relevant stakeholders in all steps. A welcome side effect of this strategy will be the improvement of data literacy skills throughout the community regardless of the educational and research background of users, adding to the value of GlobaLID beyond being a data infrastructure.

Abstract taken from the EAA 2024 Abstract Book:

30th EAA Annual Meeting (Rome, Italy 2024) - Abstract Book Names, titles and affiliations are reproduced as submitted by the session organisers and/or authors. Language and wording of titles and abstracts were not revised. Technical editing: Sára Tylšová, Magda Karabáš (EAA) Design and layout: Sára Tylšová, Magda Karabáš (EAA) Design - cover: Symposia srl Design - logo: Caterina Amendola European Association of Archaeologists Rome, August 2024 © European Association of Archaeologists, 2024 ISBN 978-80-88441-08-3 30th EAA Annual Meeting (Rome, 2024)

https://www.e-a-a.org/EAA2024/scientificprogramme
Universality and Lepton Flavor Violation in Upsilon Decays at CLEO
Creators: name: Duboscq, J. E.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: I present two analyses done with the CLEOIII detector at CESR. The first is a search for the Lepton Flavor Violating decay Upsilon to mu tau, with preliminary results, and the second constrains Lepton Universality in Upsilon to tau tau relative to Upsilon to mu mu. This second analysis, whose results are final, has dramatically improved uncertainties relative to other such measurements, and is also the first observation of the decay Upsilon(3S) to tau tau. A limit is also set on the involvement of a CP odd Higgs in the decay of the Upsilon(1S) to tau pairs.
description: 8 pages, 5 figures, to appear in proceedings of The 9th International Workshop on Tau-Lepton Physics, Tau06
Controller design for the Navier-Stokes system. Part I: Concept & numerical results
Creators: name: Hinze, Michael
name: Wachsmuth, Daniel
Publisher: name: Technische Universität Berlin
Year: 2003
Subjects: subject: 510 Mathematik
subject: instantaneous control
subject: closed loop control
subject: Navier-Stokes equations
subject: control constraints

description: We present a widely applicable construction recipe for closed-loop feedback controllers of nonlinear dynamical systems. Its basic idea consists in approximately solving certain instantaneous optimization problems for the discrete-in-time dynamical system. Easy incorporation of control constraints is one key feature of the recipe. The instationary Navier-Stokes equations serve as model application. In the first part of the work, we introduce the basic construction recipes and present numerical results for several closed-loop feedback control laws derived with the recipe. The stability analysis is contained in the second part of the work.
Rectangle Covers Revisited Computationally
Creators: name: Heinrich-Litan, Laura
name: Lübbecke, Marco E.
Publisher: name: Technische Universität Berlin
Year: 2004
Subjects: subject: 510 Mathematik
subject: orthogonal polygon
subject: rectangle cover
subject: integer program
subject: approximation algorithm

description: We consider the problem of covering an orthogonal polygon with a minimum number of axis-parallel rectangles from a computational point of view. Our integer programming formulation is the first approach to solve this NP-hard problem optimally. In experiments it turns out that the linear programming relaxation is extremely tight. Making use of the dual program, we propose a new lower bound on the optimum, namely the cardinality of a fractional stable set. We obtain excellent experimental results for polygons originating from VLSI design, fax data sheets, black and white images, and for random instances. We believe that our proposals have a strong potential to settle the main open problem in the area: To find a constant factor approximation algorithm for the rectangle cover problem.
Capillary stamping of functional materials: parallel additive substrate patterning without ink depletion
Creators: name: Runge, Mercedes
name: Hübner, Hanna
name: Grimm, Alexander
name: Manoharan, Gririraj
name: Wieczorek, René
name: Philippi, Michael
name: Harneit, Wolfgang
name: Meyer, Carola
name: Enke, Dirk
name: Gallei, Markus
name: Steinhart, Martin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Patterned substrates for optics, electronics, sensing, lab-on-chip technologies, bioanalytics, clinical diagnostics as well as translational and personalized medicine are typically prepared by additive substrate manufacturing including ballistic printing and microcontact printing. However, ballistic printing (e.g., ink jet and aerosol jet printing, laser-induced forward transfer) involves serial pixel-by-pixel ink deposition. Parallel additive pattering by microcontact printing is performed with solid elastomeric stamps suffering from ink depletion after a few stamp-substrate contacts. The throughput limitations of additive state-of-the-art patterning thus arising may be overcome by capillary stamping - parallel additive substrate patterning without ink depletion by mesoporous silica stamps, which enable ink supply through the mesopores anytime during stamping. Thus, either arrays of substrate-bound nanoparticles or colloidal nanodispersions of detached nanoparticles are accessible. We processed three types of model inks: 1) drug solutions, 2) solutions containing metallopolymers and block copolymers as well as 3) nanodiamond suspensions representing colloidal nanoparticle inks. Thus, we obtained aqueous colloidal nanodispersions of stamped drug nanoparticles, regularly arranged ceramic nanoparticles by post-stamping pyrolysis of stamped metallopolymeric precursor nanoparticles and regularly arranged nanodiamond nanoaggregates. Capillary stamping may overcome the throughput limitations of state-of-the-art additive substrate manufacturing while a broad range of different inks can be processed.
Ultra Low Momentum Neutron Catalyzed Nuclear Reactions on Metallic Hydride Surfaces
Creators: name: Widom, A.
name: Larsen, L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Ultra low momentum neutron catalyzed nuclear reactions in metallic hydride system surfaces are discussed. Weak interaction catalysis initially occurs when neutrons (along with neutrinos) are produced from the protons which capture ``heavy'' electrons. Surface electron masses are shifted upwards by localized condensed matter electromagnetic fields. Condensed matter quantum electrodynamic processes may also shift the densities of final states allowing an appreciable production of extremely low momentum neutrons which are thereby efficiently absorbed by nearby nuclei. No Coulomb barriers exist for the weak interaction neutron production or other resulting catalytic processes.
description: 4 pages, ReVTeX format
A comparison of techniques for solving the Poisson equation in CFD
Creators: name: Brown, Nick
Publisher: name: arXiv
Year: 2020
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Mathematical Software (cs.MS)
subject: FOS: Computer and information sciences

description: CFD is a ubiquitous technique central to much of computational simulation such as that required by aircraft design. Solving of the Poisson equation occurs frequently in CFD and there are a number of possible approaches one may leverage. The dynamical core of the MONC atmospheric model is one example of CFD which requires the solving of the Poisson equation to determine pressure terms. Traditionally this aspect of the model has been very time consuming and-so it is important to consider how we might reduce the runtime cost. In this paper we survey the different approaches implemented in MONC to perform the pressure solve. Designed to take advantage of large scale, modern, HPC machines, we are concerned with the computation and communication behaviour of the available techniques and in this text we focus on direct FFT and indirect iterative methods. In addition to describing the implementation of these techniques we illustrate on up to 32768 processor cores of a Cray XC30 both the performance and scalability of our approaches. Raw runtime is not the only measure so we also make some comments around the stability and accuracy of solution. The result of this work are a number of techniques, optimised for large scale HPC systems, and an understanding of which is most appropriate in different situations.
description: Pre-print of paper in the Journal of Civil Aircraft Design and Research 2017-03
On Cyclic Timetabling and Cycles in Graphs
Creators: name: Liebchen, Christian
name: Peeters, Leon
Publisher: name: Technische Universität Berlin
Year: 2002
Subjects: subject: 510 Mathematik
subject: periodic event scheduling problem
subject: railway optimization
subject: integral cycle basis
subject: mixed integer programming

description: The cyclic railway timetabling problem (CRTP) essentially is defined by some constraint graph together with a cycle period time. We point out the relevance of cycles of the constraint graph for the CRTP. This covers valid inequalities for a Branch and Cut approach and special cases in that CRTP becomes easy. But emphasis will be put on the problem formulation. The most intuitive model for cyclic timetabling involves node potentials. Modelling the cyclicity appropriately immediately results in an integer variable for every restriction, or arc of the constraint graph. A more sophisticated model regards the corresponding (periodic) tension. This well-established approach only requires an integer variable for every co-tree arc. The latter may be interpreted as representants for the elements of (strictly) fundamental cycle bases. We introduce the more general concept of integral cycle bases for characterizing periodic tensions. Whereas the number of integer variables is still limited to the cyclomatic number of the constraint graph, there is a much wider choice for the cycle basis. One can proﬁt immediately from this, because there are box constraints known for every integer variable that could ever appear.
title: VESUVIO Data Reduction and Analysis in Mantid
Creators: name: Jackson, Samuel
Publisher: name: Science and Technology Facilities Council
Year: 2014
Subjects: ISIS 2014

description: VESUVIO is a neutron spectrometer at the ISIS pulsed neutron source operating at high energies in the 1 eV range and uses the experimental technique known as neutron Compton scattering to measure the momentum distributions of condensed matter systems [1]. Mantid [2] is a data analysis application for neutron and muon scattering data used by multiple facilities across the world. Recently, extensive work has been carried out to integrate the bespoke data reduction and analysis routines written for VESUVIO with the Mantid framework. While the programs described in this document are designed to replicate the functionality of the Fortran and Genie routines already in use, most of them have been written from scratch and are not based on the original code base. This document outlines the current progress of development regarding what has already been implemented and what is remains to be finished.
Stochastic Machine Scheduling with Precedence Constraints
Creators: name: Skutella, Martin
name: Uetz, Marc
Publisher: name: Technische Universität Berlin
Year: 2002
Subjects: subject: 510 Mathematik
subject: stochastic scheduling
subject: approximation
subject: worst-case performance
subject: LP-relaxation

description: We consider parallel, identical machine scheduling problems where the jobs are subject to precedence constraints, release dates, and the processing times of jobs are governed by independent probability distributions. The objective is to minimize the expected value of the total weighted completion time `&; w_j C_j, where w_jgeq 0`. Building upon a linear programming relaxation by Moehring, Schulz, and Uetz, and an idle time charging scheme by Chekuri, Motwani, Natarajan, and Stein, we derive the first constant-factor approximation algorithms for this model.
The evolution of the morphological scale of early-type galaxies since z=2
Creators: name: Saracco, P.
name: Longhetti, M.
name: Andreon, S.
name: Mignano, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the morphological analysis based on HST-NICMOS observations in the F160W filter of a sample of 30 early-type galaxies spectroscopically confirmed at 1.2
description: 4 pages, 2 figures. To appear in the proceedings of `A Century of Cosmology', S. Servolo, August 2007, to be published in Il Nuovo Cimento
Multiple Shooting for Unstructured NonlinearDifferential-Algebraic Equations of Arbitrary Index
Creators: name: Kunkel, Peter
name: Mehrmann, Volker
name: Stoever, Ronald
Publisher: name: Technische Universität Berlin
Year: 2002
Subjects: subject: 510 Mathematik
subject: nonlinear boundary value problem
subject: differential-algebraic equations
subject: multiple shooting

description: We study multiple shooting methods for the numerical solution of nonlinear boundary value problems for unstructured nonlinear systems of differential-algebraic equations with arbitrary index. We give a concergence analysis and demonstrate the results with some numerical examples.
BURROW DECREASING-UPWARD PARASEQUENCE (BDUP): A CASE STUDY FROM THE LOWER JURASSIC OF THE TRENTO CARBONATE PLATFORM (SOUTHERN ALPS), ITALY
Creators: name: GIANNETTI, ALICE
name: MONACO, PAOLO
Publisher: name: Università degli Studi di Milano
Year: 2004

description: A study of the Trento carbonate platform (Southern Alps, Italy) identified a different type of parasequence named "burrow decreasing- upward parasequence" (BDUP). This important type of bioturbated shallowing-upward sequence, 2.3-2.9 m thick, developed in a warm lagoonal environment and characterizes the Pliensbachian interval of the Calcari Grigi Formation. The study of surficial bioturbation and three-dimensional, Y-shaped deep burrows in the BDUP (produced mainly by crustacean decapods) defined taphonomical characteristics and resulted in the identification of four types of Thalassinoides suevicus (Types I, II, III, IV). A detailed analysis of the burrows focused on the enlargement at the bifurcation point, on the development of the vertical burrow and on the coarse-grained skeletal debris infilling of the burrows. Surficial bioturbation affected only the first centimeters of the substrates and did not produce preservable trace fossils; it is recognizable by the taphonomic dislocation of shell beds and reorientation of skeletal remains. Bioturbation-burrowing analysis resulted in the identification of 19 "burrow decreasing- upward" parasequences (BDUP). They are ichnologically, taphonomically and sedimentologically well characterized, and represent a useful type for sequence stratigraphy in a carbonate platform environment dominated by biogenic activity.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
Transcription of a story about an encounter with a strange old man
Creators: name: Parker, Verdena
name: Spence, Justin
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021

description: Audio file VP-190919-08: Transcription of a story about an encounter with a mysterious old man along the river, file VP-260711-05, from the beginning to the end of the file.
Extreme-Strike Comparisons and Structural Bounds for SPX and VIX Options
Creators: name: Papanicolaou, Andrew
Publisher: name: arXiv
Year: 2021
Subjects: subject: Pricing of Securities (q-fin.PR)
subject: FOS: Economics and business

description: This article explores the relationship between the SPX and VIX options markets. High-strike VIX call options are used to hedge tail risk in the SPX, which means that SPX options are a reflection of the extreme-strike asymptotics of VIX options, and vice versa. This relationship can be quantified using moment formulas in a model-free way. Comparisons are made between VIX and SPX implied volatilities along with various examples of stochastic volatility models.
description: Special Thank You to Roger Lee for your help in this paper
HETTANGIAN AMMONITES AND RADIOLARIANS IN THE MT. CAMICIA (GRAN SASSO, CENTRAL APENNINES)
Creators: name: BERTINELLI, ANGELA
name: NANNARONE, CARLO
name: PASSERI, LEONSEVERO
name: VENTURI, FEDERICO
Publisher: name: Università degli Studi di Milano
Year: 2004

description: The Vallone di Vradda stratigraphic section is situated in the eastern part of the Gran Sasso range and shows the transition from Late Triassic euxinic facies to Early Liassic open pelagic facies. This paper describes Middle and Late Hettangian ammonite and radiolarian assemblages found in the upper part of the succession. The existence of an anoxic event below the Middle Hettangian beds is noted. Assemblages of small-sized Middle Hettangian ammonites suggest some taxonomic innovation within the early Lytoceratina: gen. n. (Pleuroacanthitidae) and Analytoceras n. sp. indet. Radiolarians found together with ammonites improve the knowledge of Hettangian radiolarian assemblages of the western Tethys.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
Cosmological constant from gauge fields on extra dimensions
Creators: name: Cho, Hing-Tong
name: Ho, Choon-Lin
name: Ng, Kin-Wang
Publisher: name: arXiv
Year: 2005
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present a new model of dark energy which could explain the observed accelerated expansion of our Universe. We show that a five-dimensional Einstein-Yang-Mills theory defined in a flat Friedmann-Robertson-Walker universe compactified on a circle possesses degenerate vacua in four dimensions. The present Universe could be trapped in one of these degenerate vacua. With the natural requirement that the size of the extra dimension could be of the GUT scale or smaller, the energy density difference between the degenerate vacua and the true ground state can provide us with just the right amount of dark energy to account for the observed expansion rate of our Universe.
description: 5 pages, minor changes
The metrics of keywords to understand the difference between Retweet and Like in each category
Creators: name: Sekimoto, Kenshin
name: Seki, Yoshifumi
name: Yoshida, Mitsuo
name: Umemura, Kyoji
Publisher: name: arXiv
Year: 2020
Subjects: subject: Information Retrieval (cs.IR)
subject: Digital Libraries (cs.DL)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: The purpose of this study is to clarify what kind of news is easily retweeted and what kind of news is easily Liked. We believe these actions, retweeting and Liking, have different meanings for users. Understanding this difference is important for understanding people's interest in Twitter. To analyze the difference between retweets (RT) and Likes on Twitter in detail, we focus on word appearances in news titles. First, we calculate basic statistics and confirm that tweets containing news URLs have different RT and Like tendencies compared to other tweets. Next, we compared RTs and Likes for each category and confirmed that the tendency of categories is different. Therefore, we propose metrics for clarifying the differences in each action for each category used in the $χ$-square test in order to perform an analysis focusing on the topic. The proposed metrics are more useful than simple counts and TF-IDF for extracting meaningful words to understand the difference between RTs and Likes. We analyzed each category using the proposed metrics and quantitatively confirmed that the difference in the role of retweeting and Liking appeared in the content depending on the category. Moreover, by aggregating tweets chronologically, the results showed the trend of RT and Like as a list of words and clarified how the characteristic words of each week were related to current events for retweeting and Liking.
description: The 2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT '20)
CALIBRATION OF THE PLIENSBACHIAN-TOARCIAN CALCAREOUS NANNOFOSSIL ZONE BOUNDARIES BASED ON AMMONITES (BASQUE-CANTABRIAN AREA, SPAIN)
Creators: name: PERILLI, NICOLA
name: JOSÉ COMAS-RENGIFO, MARÍA
name: GOY, ANTONIO
Publisher: name: Università degli Studi di Milano
Year: 2004

description: Based on a continuous succession of ammonite and calcareous nannofossil assemblages, the main purpose of this paper is the correlation between ammonite and calcareous nannofossil zone boundaries in two expanded sections from the Basque-Cantabrian area. The ammonite assemblages show clear euroboreal features and allow the identification of Pliensbachian-Toarcian zones and subzones established for NW Europe. Due to the presence of Mediterranean taxa documented at different levels, they are also helpful to improve the biocorrelations between Boreal and Tethyan successions. The calcareous nannofossil assemblage changes provide a useful set of easily recognizable events that facilitate the recognition of all the Pliensbachian-Toarcian zones described for NW Europe and Mediterranean Province. Based on the FO Similiscutum cruciulus (Jamesoni Zone), FO of Lotharingius hauffii (Stokesi/Margaritatus Zone boundary), FO of Carinolithus superbus (Serpentinus Zone), FO of Discorhabdus striatus (Serpentinus/Bifrons Zone boundary) and FO of Retecapsa incompta (Insigne Zone), the NJ3/NJ4, NJ4/NJ5, NJ5/NJ6, NJ6/NJ7 and NJ7/NJ8 Zone boundaries have been recognized. Besides, the NJ4, the NJ5 and the NJ6 span almost the same ammonite-defined time interval in both NW Europe and Basque-Cantabrian area. With respect to the ammonite zone, the zone boundaries NJ3/NJ4 and the NJ6/NJ7 coincides with the NJT3/NJT4 and the NJT6/NJT7 proposed for Mediterranean Province. Instead, the zone boundaries NJ4/NJ5 and the NJ5/NJ6 not coincides with the NJT4/NJT5 and the NJT5/NJT6 proposed for Mediterranean Province. Furthermore, in NW Europe and Mediterranean Province the FO of Retecapsa incompta is placed in the Levesquei Zone and Meneghinii Zone, whilst in the Basque Cantabrian area it lies in the Insigne Zone.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
A SEQUENCE OF BIOHORIZONS FOR THE SUBBOREAL PROVINCE LOWER TOARCIAN IN NORTHERN BRITAIN AND THEIR CORRELATION WITH A SUBMEDITERRANEAN STANDARD
Creators: name: N. PAGE, KEVIN
Publisher: name: Università degli Studi di Milano
Year: 2004

description: A sequence of sub-subzonal correlative units at the level of biohorizon is described for the Subboreal Province, Lower Toarcian of North Yorkshire, north west England. Nineteen such units are recognised, as follows: Tenuicostatum Chronozone, Paltum Subchronozone (paltum), Clevelandicum Subchronozone (crosbeyi, clevelandicum), Tenuicostatum Subchronozone (tenuicostatum), Semicelatum Subchronozone (semicelatum, antiquum), Serpentinum Chronozone, Exaratum Subchronozone (elegantulum, exaratum, elegans), Falciferum Subchronozone (pseudoserpentinum, falciferum), Bifrons Chronozone, Commune Subchronozone (ovatum, commune, athleticum), Fibulatum Subchronozone (turriculum, braunianus, vortex), Crassum Subchronozone (crassum-bifrons, crassum-semipolitum). The presence of shared taxa permits detailed correlations to be established with submediterranean zonal schemes in more southerly areas of Europe and an equilibration of zonal boundaries across the region is therefore proposed, providing a uniformity of interpretation for the European Lower Toarcian.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
Branch-and-Bound Algorithms for Stochastic Resource-Constrained Project Scheduling
Creators: name: Stork, Frederik
Publisher: name: Technische Universität Berlin
Year: 2000
Subjects: subject: 510 Mathematik
subject: project scheduling
subject: branch-and-bound algorithms
subject: stochastics
subject: processing times
subject: scheduling policy

description: We study branch-and-bound algorithms for resource-constrained project scheduling where processing times of jobs are random. The objective is to find a so-called scheduling policy which minimizes the project makespan in expectation. The proposed procedures are based upon four classes of scheduling policies which differ considerably with respect to their computational tractability as well as with respect to the optimum costs that can be achieved within the respective class. The purpose of the paper is twofold. First, we establish results on the trade-off between computational efficiency and solution quality for each of the considered classes of policies and evaluate their practical applicability for scheduling stochastic resource-constrained projects. Second, we develop and apply various ingredients such as dominance rules and lower bounds that turn out to be useful within the computation. In order to comprehensively study these issues we have implemented five different branch-and-bound algorithms and explore their computational behavior on 1440 test instances.
Comparison of the Legacy and Gold SnIa Dataset Constraints on Dark Energy Models
Creators: name: Nesseris, S.
name: Perivolaropoulos, L.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We have performed a comparative analysis of three recent and reliable SnIa datasets available in the literature: the Full Gold (FG) dataset (157 data points $0
description: Extended statistical analysis. No changes in results. Accepted in Phys. Rev. D (to appear). The mathematica files with the numerical analysis of the paper are available at http://leandros.physics.uoi.gr/snls.htm
LOWER TO MIDDLE TOARCIAN FROM THE COIMBRA REGION (LUSITANIAN BASIN, PORTUGAL): SEQUENCE STRATIGRAPHY, CALCAREOUS NANNOFOSSILS AND STABLE-ISOTOPE EVOLUTION
Creators: name: DUARTE, LUÍS
name: PERILLI, NICOLA
name: DINO, RODOLFO
name: RODRIGUES, RENÉ
name: PAREDES, RICARDO
Publisher: name: Università degli Studi di Milano
Year: 2004

description: This multidisciplinary study (facies analysis, sequence stratigraphy, calcareous nannofossils and carbon stable isotopes) focuses on the Lower to Middle Toarcian succession cropping out in the Coimbra region (Northern sector of the Lusitanian Basin), Portugal. Deposited on homoclinal carbonate ramp, the sampled hemipelagic series, consisting of marl/limestone alternations can be subdivided into three third-order depositional sequences (ST1, ST2 and ST3) characterised by different vertical facies arrangements and palaeontological contents. The sequence boundaries lie within the Polymorphum Zone, around the Polymorphum/Levisoni Zone boundary and in the Bifrons Subzone (Bifrons Zone). The calcareous nannofossils provide a continuos succession of age-significant assemblages, and a useful set of nannobiohorizons that include the LO of Calcivascularis jansae, the LOs of Biscutum grande and Biscutum finchii, and the FOs of Carinolithus cantaluppii, Carinolithus superbus, Discorhabdus striatus and Discorhabdus ignotus. The evolution of the ð13C agrees with the sequential developments of the series because the positive excursions roughly coincide with transgressive depositional phases, whereas a negative trend is observed during regressive phases.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
Introducing piXedfit -- a Spectral Energy Distribution Fitting Code Designed for Resolved Sources
Creators: name: Abdurro'uf
name: Lin, Yen-Ting
name: Wu, Po-Feng
name: Akiyama, Masayuki
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present piXedfit, pixelized spectral energy distribution (SED) fitting, a Python package that provides tools for analyzing spatially resolved properties of galaxies using multiband imaging data alone or in combination with integral field spectroscopy (IFS) data. piXedfit has six modules that can handle all tasks in the spatially resolved SED fitting. The SED fitting module uses the Bayesian inference technique with two kinds of posteriors sampling methods: Markov Chain Monte Carlo (MCMC) and random densely-sampling of parameter space (RDSPS). We test the performance of the SED fitting module using mock SEDs of simulated galaxies from IllustrisTNG. The SED fitting with both posteriors sampling methods can recover physical properties and star formation histories of the IllustrisTNG galaxies well. We further test the performance of piXedfit modules by analyzing 20 galaxies observed by the CALIFA and MaNGA surveys. The data comprises of 12-band imaging data from GALEX, SDSS, 2MASS, and WISE, and the IFS data from CALIFA or MaNGA. piXedfit can spatially match (in resolution and sampling) of the imaging and IFS data. By fitting only the photometric SEDs, piXedfit can predict the spectral continuum, $\text{D}_{\rm n}4000$, $H_α$, and $H_β$ well. The star formation rate (SFR) derived by piXedfit is consistent with that derived from $H_α$ emission. The RDSPS method gives equally good fitting results as the MCMC and it is much faster than the MCMC. piXedfit is a versatile tool equipped with a parallel computing module for efficient analysis of large datasets, and will be made publicly available (https://github.com/aabdurrouf/piXedfit).
description: 40 pages, 21 figures, 1 table, Accepted for publication in The Astrophysical Journal Supplement Series (ApJS). piXedfit will be available at https://github.com/aabdurrouf/piXedfit and documented at https://pixedfit.readthedocs.io/en/latest/index.html
Scheduling under uncertainty: Bounding the makespan distribution
Creators: name: Möhring, Rolf H.
Publisher: name: Technische Universität Berlin
Year: 2000
Subjects: subject: 510 Mathematik
subject: uncertainty
subject: scheduling
subject: makespan distribution function
subject: stochastic bounds
subject: project planning

description: Deterministic models for project scheduling and control suffer from the fact that they assume complete information and neglect random influences that occur during project execution. A typical consequence is the underestimation of the expected project duration and cost frequently observed in practice. This phenomenon occurs even in the absence of resource constraints, and has been the subject of extensive research in discrete mathematics and operations research.
Gender and family life education: a critical analysis of a mandated provincial curriculum
Creators: name: Paton, Joanna
Publisher: name: University of British Columbia
Year: 2009

description: Traditionally school-based family life education courses were offered as electives with primarily female enrolment. Recently, however, many of these programs have been mandated for all students, highlighting the need for inclusive curricula. In British Columbia, the Career and Personal Planning curriculum has been mandated for all of B.C.'s students. The purpose of this study was to evaluate selected aspects of the Career and Personal Planning 8-12 (CAPP) curriculum documents to determine whether they are inclusive with respect to gender. Methods of content analysis were used to identify content relating to the concepts of gender, work and family. The study was guided by a framework developed from the feminist literature in family life education. Findings from the analysis revealed that the majority of content dealt with work-related topics, with significantly less attention given to the concept of family, and minimum attention given to the concept of gender. Of the gender-related material, the majority focused on two sub-topics: gender and changing work patterns, and gender's effect on job availability. However, much of this content was found to be superficial, exploratory in nature, and narrow in focus. Missed opportunities within the curriculum to deal with gender issues, particularly in relation to work and family, were also identified. Based on the findings of the content analysis it was concluded that the curriculum may best be characterized as gender absent. Implications for curriculum developers, teachers, and researchers are identified and opportunities for future research is discussed.
INTEGRATED STRATIGRAPHY (RADIOLARIANS AND CALCAREOUS NANNOFOSSILS) OF THE JURASSIC SILICEOUS SEDIMENTS FROM MONTE KUMETA (WESTERN SICILY, ITALY)
Creators: name: CHIARI, MARCO
name: BALDANZA, ANGELA
name: PARISI, GUIDO
Publisher: name: Università degli Studi di Milano
Year: 2004

description: Integrated analyses of Calcareous Nannofossils and Radiolarians were carried out in the Monte Kumeta (Sicily) to better define the age of the siliceous sediments (Membro Radiolaritico Intermedio = MRI), which results to be early-middle Bathonian to early Kimmeridgian. The base of this unit shows variable ages in the different sites along the Kumeta palaeoescarpment. Particularly, the ages of the distal sections range from early-middle Bathonian to early Kimmeridgian, whereas the proximal sections show ages from late Oxfordian to early Kimmeridgian. This fact suggests the presence of heteropy between the Membro Radiolaritico Intermedio and the Rosso Ammonitico Inferiore. Moreover, several gaps occur in the MRI and they are restricted to late Bathonian - early Callovian and to late Oxfordian, testifying the times of major tectonic activity along the palaeoescarpment.
description: Rivista italiana di Paleontologia e Stratigrafia, Vol 110, No 1
title: An overview of the recent development of indirect inelastic data analysis in Mantid
Creators: name: Jackson, S
Publisher: name: Science and Technology Facilities Council
Year: 2014

description: Mantid [1], the Manipulation and Analysis Toolkit for Instrument Data, is an open source and cross platform data analysis application specialising in neutron and muon scattering data. Recent development work has been undertaken to improve support for indirect geometry spectrometers, particularly in regard to those based at ISIS. This document aims to provide an overview of the current progress of development and describe from a technical perspective the procedures used in data reduction and analysis. The final section of the document then loosely outlines areas to focus on in further development in relation to the requirements described by instrument scientists.
Studying the infrared behaviour of gluon and ghost propagators using large asymmetric lattices
Creators: name: Silva, P. J.
name: Oliveira, O.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We report on the infrared limit of the quenched lattice Landau gauge gluon propagator computed from large asymmetric lattices. In particular, the compatibility of the pure power law infrared solution $(q^2)^{2κ}$ of the Dyson-Schwinger equations is investigated and the exponent $κ$ is measured. Some results for the ghost propagator and for the running coupling constant will also be shown.
description: 3 pages, 2 figures. Talk given at "Quark Confinement and the Hadron Spectrum VII", Azores, Portugal, 2-7 September 2006