cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Multifrequency Photo-polarimetric WEBT Observation Campaign on the Blazar S5 0716+714: Source Microvariability and Search for Characteristic Timescales
Creators: name: Bhatta, G.
name: Stawarz, Ł.
name: Ostrowski, M.
name: Markowitz, A.
name: Akitaya, H.
name: Arkharov, A. A.
name: Bachev, R.
name: Benítez, E.
name: Borman, G. A.
name: Carosati, D.
name: Cason, A. D.
name: Chanishvili, R.
name: Damljanovic, G.
name: Dhalla, S.
name: Frasca, A.
name: Hiriart, D.
name: Hu, S-M.
name: Itoh, R.
name: Jableka, D.
name: Jorstad, S.
name: Jovanovic, M. D.
name: Kawabata, K. S.
name: Klimanov, S. A.
name: Kurtanidze, O.
name: Larionov, V. M.
name: Laurence, D.
name: Leto, G.
name: Marscher, A. P.
name: Moody, J. W.
name: Moritani, Y.
name: Ohlert, J. M.
name: Di Paola, A.
name: Raiteri, C. M.
name: Rizzi, N.
name: Sadun, A. C.
name: Sasada, M.
name: Sergeev, S.
name: Strigachev, A.
name: Takaki, K.
name: Troitsky, I. S.
name: Ui, T.
name: Villata, M.
name: Vince, O.
name: Webb, J. R.
name: Yoshida, M.
name: Zola, S.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Here we report on the results of the WEBT photo-polarimetric campaign targeting the blazar S5~0716+71, organized in March 2014 to monitor the source simultaneously in BVRI and near IR filters. The campaign resulted in an unprecedented dataset spanning $\sim 110$\,h of nearly continuous, multi-band observations, including two sets of densely sampled polarimetric data mainly in R filter. During the campaign, the source displayed pronounced variability with peak-to-peak variations of about $30\%$ and "bluer-when-brighter" spectral evolution, consisting of a day-timescale modulation with superimposed hourlong microflares characterized by $\sim 0.1$\,mag flux changes. We performed an in-depth search for quasi-periodicities in the source light curve; hints for the presence of oscillations on timescales of $\sim 3$\,h and $\sim 5$\,h do not represent highly significant departures from a pure red-noise power spectrum. We observed that, at a certain configuration of the optical polarization angle relative to the positional angle of the innermost radio jet in the source, changes in the polarization degree led the total flux variability by about 2\,h; meanwhile, when the relative configuration of the polarization and jet angles altered, no such lag could be noted. The microflaring events, when analyzed as separate pulse emission components, were found to be characterized by a very high polarization degree ($> 30\%$) and polarization angles which differed substantially from the polarization angle of the underlying background component, or from the radio jet positional angle. We discuss the results in the general context of blazar emission and energy dissipation models.
description: 16 pages, 17 Figures; ApJ accepted
Application of a system of censored regressions to Australian household meat consumption expenditure
Creators: name: Rahman, Mati Ur
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Dominant dark matter and a counter rotating disc: MUSE view of the low luminosity S0 galaxy NGC 5102
Creators: name: Mitzkus, Martin
name: Cappellari, Michele
name: Walcher, C. Jakob
Publisher: name: arXiv
Year: 2016
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The kinematics and stellar populations of the low-mass nearby S0 galaxy NGC 5102 are studied from integral field spectra taken with the Multi-Unit Spectroscopic Explorer (MUSE). The kinematic maps reveal for the first time that NGC 5102 has the characteristic 2 sigma peaks indicative of galaxies with counter-rotating discs. This interpretation is quantitatively confirmed by fitting two kinematic components to the observed spectra. Through stellar population analysis we confirm the known young stellar population in the centre and find steep age and metallicity gradients. We construct axisymmetric Jeans anisotropic models of the stellar dynamics to investigate the initial mass function (IMF) and the dark matter halo of the galaxy. The models show that this galaxy is quite different from all galaxies previously studied with a similar approach: even within the half-light radius, it cannot be approximated with the self-consistent mass-follows-light assumption. Including an NFW dark matter halo, we need a heavy IMF and a dark matter fraction of 0.37+-0.04 within a sphere of one effective radius to describe the stellar kinematics. The more general model with a free slope of the dark matter halo shows that slope and IMF are degenerate, but indicates that a light weight IMF (Chabrier-like) and a higher dark matter fraction, with a steeper (contracted) halo, fit the data better. Regardless of the assumptions about the halo profile, we measure the slope of the total mass density to be -1.75+-0.04. This is shallower than the slope of -2 of an isothermal halo and shallower than published slopes for more massive early type galaxies.
description: 20 pages, 20 figures, accepted for publication in MNRAS
Measurement of the Muon Production Depths at the Pierre Auger Observatory
Creators: name: Collica, Laura
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The muon content of extensive air showers is an observable sensitive to the primary composition and to the hadronic interaction properties. The Pierre Auger Observatory uses water-Cherenkov detectors to measure particle densities at the ground and therefore is sensitive to the muon content of air showers. We present here a method which allows us to estimate the muon production depths by exploiting the measurement of the muon arrival times at the ground recorded with the Surface Detector of the Pierre Auger Observatory. The analysis is performed in a large range of zenith angles, thanks to the capability of estimating and subtracting the electromagnetic component, and for energies between $10^{19.2}$ and $10^{20}$ eV.
description: Published version. Added journal reference and DOI. Added Report Number
Global helioseismology (WP4.1): From the Sun to the stars & solar analogs
Creators: name: Garcia, Rafael A.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Sun-as-a star observations put our star as a reference for stellar observations. Here, I review the activities in which the SPACEINN global seismology team (Working Package WP4.1) has worked during the past 3 years. In particular, we will explain the new deliverables available on the SPACEINN seismic+ portal. Moreover, special attention will be given to surface dynamics (rotation and magnetic fields). After characterizing the rotation and the magnetic properties of around 300 solar-like stars and defining proper metrics for that, we use their seismic properties to characterize 18 solar analogues for which we study their surface magnetic and seismic properties. This allows us to put the Sun into context compared to its siblings.
description: Proceedings of the SPACEINN/TASC2/KASC9 meeting. 7 pages, 6 figures
iPRODUCE: Creating connections in innovation and manufacturing
Creators: name: Khanom, Mirana
name: Domingas
name: Almeida
Publisher: name: Zenodo
Year: 2023
Subjects: Magazine
cMDF
iPRODUCE
Social Manufacturing
Open Innovation

description: iPRODUCE is a European-funded project that embraces and explores the connections between several concepts, namely open innovation, social manufacturing, co-creation, and collaboration. iPRODUCE is a 42-month project, which started in January 2020, whose full title is “A Social Manufacturing Framework for Streamlined Multi- stakeholder Open Innovation Missions in Consumer Goods Sectors”. Simplifying, and considering the mentioned concepts, the iPRODUCE project has worked towards the development of a social manufacturing platform that enables the interaction and collaboration between different types of actors and stakeholders, particularly focusing on user-driven open-innovation and co-creation. Moreover, it explores these collaboration activities in several consumer sectors, including furniture, electronics, mobility, and others.
International trade in services
Creators: name: Moshirian, Fariborz
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Azioni sperimentali dell'arte per una nuova didattica: il caso del Gruppo Altro
Creators: name: Cristallini Elisabetta
Publisher: name: Zenodo
Year: 2019
Subjects: Gruppo Altro
Achille Perilli
lavoro intercodice
teatro e arte

description: E. Cristallini, Azioni sperimentali dell'arte per una nuova didattica: il caso del Gruppo Altro, in M. Vallozza, G. M. Di Nocera (a cura di), Sistemi educativi e politiche culturali dal mondo antico al contemporaneo. Studi offerti a Gabriella Ciampi, Edizioni Sette Città, Viterbo, 2019 (ISBN 978-88-7853-846-7; ISSN 1721-6761)
Aligned metal oxide nanotube arrays: key-aspects of anodic TiO2 nanotube formation and properties
Creators: name: Riboni, Francesca
name: Nguyen, Nhat Truong
name: So, Seulgi
name: Schmuki, Patrik
Publisher: name: arXiv
Year: 2016
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Over the past ten years, self-aligned TiO2 nanotubes have attracted tremendous scientific and technological interest due to their anticipated impact on energy conversion, environment remediation and biocompatibility. In the present manuscript, we review fundamental principles that govern the self-organized initiation of anodic TiO2 nanotubes. We start with the fundamental question: Why is self-organization taking place? We illustrate the inherent key mechanistic aspects that lead to tube growth in various different morphologies, such as rippled-walled tubes, smooth tubes, stacks and bamboo-type tubes, and importantly the formation of double-walled TiO2 nanotubes versus single-walled tubes, and the drastic difference in their physical and chemical properties. We show how both double- and single-walled tube layers can be detached from the metallic substrate and exploited for the preparation of robust self-standing membranes. Finally, we show how by selecting the right growth approach to TiO2 nanotubes specific functional features can be significantly improved, e.g., an enhanced electron mobility, intrinsic doping, or crystallization into pure anatase at extremely high temperatures can be achieved. This in turn can be exploited in constructing high performance devices based on anodic TiO2 in a wide range of applications.
description: from Nanoscale Horiz., 2016, Advance Article
Modulation instability in quasi two-dimensional spin-orbit coupled Bose-Einstein condensates
Creators: name: Bhuvaneswari, S.
name: Nithyanandan, K.
name: Muruganandam, P.
name: Porsezian, K.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We theoretically investigate the dynamics of modulation instability (MI) in two-dimensional spin-orbit coupled Bose-Einstein condensates (BECs). The analysis is performed for equal densities of pseudo-spin components. Different combination of the signs of intra- and inter-component interaction strengths are considered, with a particular emphasize on repulsive interactions. We observe that the unstable modulation builds from originally miscible condensates, depending on the combination of the signs of the intra- and inter-component interaction strengths. The repulsive intra- and inter-component interactions admit instability and the MI immiscibility condition is no longer significant. Influence of interaction parameters such as spin-orbit and Rabi coupling on MI are also investigated. The spin-orbit coupling (SOC) inevitably contributes to instability regardless of the nature of the interaction. In the case of attractive interaction, SOC manifest in enhancing the MI. Thus, a comprehensive study of MI in two-dimensional spin-orbit coupled binary BECs of pseudo-spin components is presented.
description: 11 pages, 17 figures, 1 table
title: Modalities of Forgetting : A Refusal of Memory Among Post-Conflict Samburu and Pokot, Kenya
Creators: name: Holtzman, Jon
name: Bayreuth Academy Of Advanced African Studies
Publisher: name: University of Bayreuth
Year: 2023
Subjects: subject: War
subject: Memory
subject: Kenya
subject: Pastoralists
subject: Peace
subject: 300
subject: 960

description: Memory has, in Western societies at least, become an inseparable and unconditionally loved companion of war. In popular discourse memory appropriately honors the sacrifices and achievements of past heroes while also prescribing vigilance in the present and future: “Never Forget” so that past tragedies will “Never Again” be allowed to happen. While scholarly treatments take a more nuanced view, memory nonetheless tends to be framed as both desirable and inevitable, whether as a means to achieve justice through a true rendering of the past or to achieve closure through the honest accounting of the trauma of war. This paper problematizes these positive views of war and memory through an examination of a post-war situation among Pokot and Samburu pastoralists in northern Kenya, who emphasize the singular necessity of forgetting in order to achieve peace. The two groups fought a bitter small-scale conflict with significant loss of life and economic suffering, yet shortly after the war they had returned to a state of peaceful coexistence, intermingling and cooperating in a variety of activities. Both groups maintain that peace has been achieved by an insistence that the conflict must be forgotten, with no heroes valorized and no losses avenged. In their view to dwell on the war is to invite its return. Through this case study, the paper problematizes the positive and inevitable associations of war and memory in Western discourse and considers ‘forgetting’ both as a worthy subject of scholarly analysis and potentially a social good in the pursuit of peace.
A functional approach to financial system performance evaluation
Creators: name: Marzban, Hussein
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Advection of a passive scalar field by turbulent compressible fluid: renormalization group analysis near $d = 4$
Creators: name: Antonov, N. V.
name: Gulitskiy, N. M.
name: Kostenko, M. M.
name: Lučivjanský, T.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The field theoretic renormalization group (RG) and the operator product expansion (OPE) are applied to the model of a density field advected by a random turbulent velocity field. The latter is governed by the stochastic Navier-Stokes equation for a compressible fluid. The model is considered near the special space dimension $d = 4$. It is shown that various correlation functions of the scalar field exhibit anomalous scaling behaviour in the inertial-convective range. The scaling properties in the RG+OPE approach are related to fixed points of the renormalization group equations. In comparison with physically interesting case $d = 3$, at $d = 4$ additional Green function has divergences which affect the existence and stability of fixed points. From calculations it follows that a new regime arises there and then by continuity moves into $d = 3$. The corresponding anomalous exponents are identified with scaling dimensions of certain composite fields and can be systematically calculated as series in $y$ (the exponent, connected with random force) and $ε=4-d$. All calculations are performed in the leading one-loop approximation.
description: 11pages, 6 figures, LATEX2e. arXiv admin note: substantial text overlap with arXiv:1611.00327; text overlap with arXiv:1611.01302
Natura e artificio. L'azione artistica di Michelangelo Pistoletto
Creators: name: Cristallini Elisabetta
Publisher: name: Zenodo
Year: 2019
Subjects: Michelangelo Pistoletto
Cittadellarte
Natura e artificio
Ambiente e arte

description: E. Cristallini, Natura e artificio. L'azione artistica di Michelangelo Pistoletto, in F. Toppetti, F. Di Cosmo (a cura di), Ecologia ed estetica nel progetto di paesaggio, Aracne, Roma, 2019 (ISBN 978-88-255-2597-7) Il contributo è stato presentato al seminario Ecologia ed estetica nel progetto di paesaggio che si è tenuto nelle giornate del 16,30,31 gennaio 2018 nell'ambito del Dottorato in Paesaggio e ambiente della Sapienza Università di Roma.
Energy loss spectroscopy of Buckminster C60 with twisted electrons: Influence of orbital angular momentum transfer on plasmon generation
Creators: name: Schüler, M.
name: Berakdar, J.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Atomic and Molecular Clusters (physics.atm-clus)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: Recent experimental progress in creating and controlling singular electron beams that carry orbital angular momentum allows for new types of local spectroscopies. We theoretically investigate the twisted-electron energy loss spectroscopy (EELS) from the C60 fullerene. Of particular interest are the strong multipolar collective excitations and their selective response to the orbital angular momentum of the impinging electron beam. Based on ab-initio calculations for the collective response we compute EELS signals with twisted electron beams and uncover the interplay between the plasmon polarity and the amount of angular momentum transfer.
description: to appear in Phys. Rev. A
Bayesian inference in models of cointegration : methods and applications
Creators: name: Martin, Gael M.
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Pratiche artistiche e città storica: per un nuovo paesaggio
Creators: name: Cristallini Elisabetta
Publisher: name: Zenodo
Year: 2018
Subjects: arte contemporanea e architettura
pratiche artistiche nelle città storiche

description: E. Cristallini, Pratiche artistiche e città storica: per un nuovo paesaggio, in P. Marcoaldi (a cura di), Per la città di Viterbo, Quodlibet, Macerata, 2018 (ISBN 978-88-229-0202-3) Il contributo fa parte della ricerca, relativa al Masterplan di Viterbo, condotta tra il 2016 e il 2018 dal Dipartimento di Architettura e Progetto della Sapienza, sotto la direzione scientifica di Orazio Carpenzano
Ultrafast Fault-Tolerant Long-Distance Quantum Communication with Static Linear Optics
Creators: name: Ewert, Fabian
name: van Loock, Peter
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present an in-depth analysis regarding the error resistance and optimization of our all-optical Bell measurement and ultrafast long-distance quantum communication scheme proposed in [arXiv:1503.06777]. In order to promote our previous proposal from loss- to fault-tolerance, we introduce a general and compact formalism that can also be applied to other related schemes (including non-all-optical ones such as [PRL 112, 250501]). With the help of this new representation we show that our communication protocol does not only counteract the inevitable photon loss during channel transmission, but is also able to resist common experimental errors such as Pauli-type errors (bit- and phase-flips) and detector inefficiencies (losses and dark counts). Furthermore, we demonstrate that on the physical level of photonic qubits the choice of the standard linear optical Bell measurement with its limited efficiency is optimal for our setting in the sense that, apart from their potential use in state preparation, more advanced Bell measurements yield only a small decrease in resource consumption. We devise two state generation schemes that provide the required ancillary encoded Bell states (quasi-)on-demand at every station. The schemes are either based on nonlinear optics or on linear optics with multiplexing and exhibit resource costs that scale linearly or less than quadratic with the number of photons per encoded qubit, respectively. Finally, we show that it is possible to operate our communication scheme with on-off detectors instead of employing photon-number-resolving detectors.
description: 33 pages (19 + 14), 11 figures, comments are welcome
Natural Scene Character Recognition Using Robust PCA and Sparse Representation
Creators: name: Zhang, Zheng
name: Xu, Yong
name: Liu, Cheng-Lin
Publisher: name: arXiv
Year: 2016
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Natural scene character recognition is challenging due to the cluttered background, which is hard to separate from text. In this paper, we propose a novel method for robust scene character recognition. Specifically, we first use robust principal component analysis (PCA) to denoise character image by recovering the missing low-rank component and filtering out the sparse noise term, and then use a simple Histogram of oriented Gradient (HOG) to perform image feature extraction, and finally, use a sparse representation based classifier for recognition. In experiments on four public datasets, namely the Char74K dataset, ICADAR 2003 robust reading dataset, Street View Text (SVT) dataset and IIIT5K-word dataset, our method was demonstrated to be competitive with the state-of-the-art methods.
description: The 12th IAPR International Workshop on Document Analysis Systems (DAS); The natural scene character image features used in this paper have been released at http://www.yongxu.org/Natural%20Scene%20Character%20Recognition%20Datasets.html
The Right to Freedom from Arbitrary Arrest and Detention: Article 9 of the Universal Declaration of Human Rights (UDHR)
Creators: name: Betts, Samuel Ulric
Publisher: name: Zenodo
Year: 2023
Subjects: International Human Rights Law
Human Rights Law
Arbitrary Arrest
Unlawful Detention
Legitimacy

description: This publication examines the right to freedom from arbitrary arrest and detention as enshrined in Article 9 of the Universal Declaration of Human Rights (UDHR). It further examines legislative procedures and mechanisms that must be considered in the execution of every lawful arrest or detention, while emphasizing the need for sanity in the operation of legal practitioners and law enforcing bodies. These procedures require the arresting officer to act professionally and according to laid-down standards during every arrest by having a warrant of arrest, informing the victim of the reason for arrest, and ensuring detention does not span over the stipulated duration as permitted by law. The paper analyses the overall legitimacy of arbitrary arrest and detention In light of international legal framework and domesticated laws.
Impact of giant resonant dispersion on the response of intracavity phase interferometry and laser gyros
Creators: name: Hendrie, James
name: Lenzner, Matthias
name: Diels, Jean Claude
name: Arissian, Ladan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Intracavity Phase Interferometry is a phase sensing technique using mode-locked lasers in which two intracavity pulses circulate. The beat frequency between the two output frequency combs is proportional to a phase shift to be measured. A laser gyro is a particular implementation of this device. The demonstrated sensitivity of $10^{-8}$ could be manipulated by applying a giant dispersion to each tooth of the comb. Such coupling is achieved with an intracavity etalon, resulting a large change in phase response of a ring laser. This change is shown to be unrelated to the average pulse velocity within the laser cavity.
description: 10 pages,5 figures
Per un progetto di conoscenza, conservazione e valorizzazione. La banca dati "Cappadocia-Arte e habitat rupestre
Creators: name: PAOLA, POGLIANI
name: Andaloro, Maria
Publisher: name: Zenodo
Year: 2018
Subjects: Cappadocia, dipinti murali, banca dati, tecnica d'esecuzione, restauro

description: M. Andaloro, Pogliani P. (2018). Per un progetto di conoscenza, conservazione e valorizzazione. La banca dati "Cappadocia-Arte e habitat rupestre". In: (a cura di): F. Sogliani, B. Gargiulo, E. Annunziata, V. Vitale, VIII Congresso Nazionale di Archeologia Medievale. vol. 3, p. 239-242, BORGO S. LORENZO: All'Insegna del Giglio, ISBN: 9788878148697, Matera, 12 - 15 settembre 2018 In Cappadocia si svolge dal 2006 la missione di studio, ricerca e restauro dell’Università degli Studi della Tuscia, autorizzata dal Ministero del Turismo e della Cultura della Repubblica di Turchia. Il contributo intende presentare il progetto e le attività di ricerca svolte nella Cappadocia rupestre, sito Unesco dal 1985, dove è stata messa a punto ed applicata una metodologia integrata in grado di coniugare organicamente gli studi di carattere archeologico, storico-artistico con quelli di natura tecnico-scientifica per la migliore conoscenza delle pitture medievali della Cappadocia all’interno del loro contesto architettonico e territoriale. Obiettivo principale è stato lo studio globale delle emergenze rupestri delle aree di Sahinefendi e di Goreme dove parallelamente si è sviluppato il progetto di restauro dipinti della chiesa dei Quaranta Martiri a Şahinefendi (concluso nel 2013) e degli importanti dipinti della chiesa di Tokalı nell’Open Air Museum di Göreme iniziato nel 2011. Lo sviluppo del progetto su vasta scala - cronologica (dal VI al XIII) e spaziale – viene restituito dalla banca dati on line Cappadocia – Arte e Habitat rupestre consultabile dal sito http://www.museovirtualecappadocia.it/ che consente di rendere fruibile la schedatura di 109 complessi rupestri e di condurre ricerche su quattro temi principali: l’architettura scavata, gli arredi, gli apparati pittorici e le indagini scientifiche.
MPEC 2023-F113 : 2023 FF3
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 FF3

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Autonomy and political control in Indonesian public enterprises : a principal-agent approach
Creators: name: Mardjana, I Ketut
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
A Machine Learning Based Forwarding Algorithm Over Cognitive Radios in Wireless Mesh Networks
Creators: name: Yang, Jianjun
name: Shen, Ju
name: Guo, Ping
name: Payne, Bryson
name: Wei, Tongquan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: Wireless Mesh Networks improve their capacities by equipping mesh nodes with multi-radios tuned to non-overlapping channels. Hence the data forwarding between two nodes has multiple selections of links and the bandwidth between the pair of nodes varies dynamically. Under this condition, a mesh node adopts machine learning mechanisms to choose the possible best next hop which has maximum bandwidth when it intends to forward data. In this paper, we present a machine learning based forwarding algorithm to let a forwarding node dynamically select the next hop with highest potential bandwidth capacity to resume communication based on learning algorithm. Key to this strategy is that a node only maintains three past status, and then it is able to learn and predict the potential bandwidth capacities of its links. Then, the node selects the next hop with potential maximal link bandwidth. Moreover, a geometrical based algorithm is developed to let the source node figure out the forwarding region in order to avoid flooding. Simulations demonstrate that our approach significantly speeds up the transmission and outperforms other peer algorithms.
La città travestita. La Street Art nel palinsesto urbano
Creators: name: Cristallini Elisabetta
Publisher: name: Zenodo
Year: 2019
Subjects: Street Art
palinsesto urbano
arte e architettura
arte e città

description: E. Cristallini, La città travestita. La Street Art nel palinsesto urbano, in Cultura&Comunicazione, vol. 15, Guerra Edizioni, Perugia, 2019 (ISBN 978-88-557-0640-7) La pubblicazione presenta gli Atti della presentazione del volume di P. Mania, R. Petrilli e E. Cristallini, Arte sui muri della città. Street Art e Urban Art: questioni aperte (Round Robin 2017), all'Università per Stranieri di Siena (24.09.2018).
A quark model study of strong decays of $X\left( 3915\right) $
Creators: name: González, P.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Strong decays of $X\left( 3915\right) $ are analyzed from two quark model descriptions of $X\left( 3915\right) $, a conventional one in terms of the Cornell potential and an unconventional one from a Generalized Screened potential. We conclude that the experimental suppression of the OZI allowed decay $X\left( 3915\right) \rightarrow D\overline{D}$ might be explained in both cases as due to the momentum dependence of the decay amplitude. However, the experimental significance of the OZI forbidden decay $X\left( 3915\right) \rightarrowωJ/ψ$ could favor an unconventional description.
description: 17 pages, 4 figures
title: Pandemic kitchens in a digital age: an anthropological study of commensality
Creators: name: Farrell, Mary Bernardine
Publisher: name: University of Kent
Year: 2023

description: Cooking and eating together provides an immersive opportunity to share and develop food knowledge. In a public place the activities of making and eating food together are socially endorsed as a learning opportunity which communicates meanings, values, and identities...' as part of the skills, techniques, and practices of a meal (Williams-Forson and Counihan, 2012, 4). My research interest of social first hand learning was situated in the touristic - or leisure - experiential 'lessons' adopted by freelance food professionals of varying skillsets and food cultures. My participants illustrated this type of informal culinary education with their individualized mix of culinary and educational skills and qualifications. Their precarious work was founded on the ability to market - through various online platforms such as Instagram or Airbnb - in-person experiential offers to paying 'students' looking to submerge themselves in social and multi-sensory learning. However, my participants established in-person work was abruptly and uniquely prohibited when virus mitigation restrictions of the SARS-CoV-2 pandemic (2020-2022) made public social activity illegal. Forced out from physical fieldwork I examined how and what happened in a mass transition from in-person to online social learning through the impact this had on my focus group of freelance food professionals and their online students. My ethnography was framed by compounding elements of the pandemic restrictions, which created an environment of physical isolation with extensive use of the internet to accelerate the a-material interactional practices of culinary education. So, my eleven diverse chef-educator participants spent the pandemic forging previously untried types of online social learning interaction, and their enforced transformation allowed me to observe and analyse the nascent online qualities of reimagining the shared physicality of social and multi-sensory immersive learning. My thesis discusses the challenges and opportunities for culinary education in the digital age, with a proposition that anthropologists, educators, and computer engineers work closely together for a more human-centric food future.
One-sided and partially one-sided hypothesis testing in econometrics
Creators: name: Majumder, Ajit K.
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Zevi e il dialogo tra arte e architettura negli anni Cinquanta
Creators: name: Cristallini Elisabetta
Publisher: name: Zenodo
Year: 2019
Subjects: Bruno Zevi
Dialoghi tra arte e architettura nel secondo dopoguerra
rivista "L'architettura. Cronache e storia"
Pittori e scultori giudicano l'architettura

description: E. Cristallini, Zevi e il dialogo tra arte e architettura negli anni Cinquanta, in P. O. Rossi (a cura di), Bruno Zevi e la didattica dell'architettura, Quodlibet, Macerata, 2019 (ISBN 978-88-229-0395-2) Il contributo è stato presentato alle Giornate di studio Bruno Zevi e la didattica dell'architettura (Facoltà di Architettura della Sapienza Università di Roma, 8 e 9 novembre 2018) nell'ambito delle celebrazioni per il Centenario della nascita.
Existence of positive solutions to some nonlinear equations on locally finite graphs
Creators: name: Grigor'yan, Alexander
name: Lin, Yong
name: Yang, Yunyan
Publisher: name: arXiv
Year: 2016
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 34B45, 35A15, 58E30

description: Let $G=(V,E)$ be a locally finite graph, whose measure $μ(x)$ have positive lower bound, and $Δ$ be the usual graph Laplacian. Applying the mountain-pass theorem due to Ambrosetti-Rabinowitz, we establish existence results for some nonlinear equations, namely $Δu+hu=f(x,u)$, $x\in V$. In particular, we prove that if $h$ and $f$ satisfy certain assumptions, then the above mentioned equation has strictly positive solutions. Also, we consider existence of positive solutions of the perturbed equation $Δu+hu=f(x,u)+εg$. Similar problems have been extensively studied on the Euclidean space as well as on Riemannian manifolds.
description: 15 pages
The optimal multilevel Monte-Carlo approximation of the stochastic drift-diffusion-Poisson system
Creators: name: Taghizadeh, Leila
name: Khodadadian, Amirreza
name: Heitzinger, Clemens
Publisher: name: arXiv
Year: 2016
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: Existence and local-uniqueness theorems for weak solutions of a system consisting of the drift-diffusion-Poisson equations and the Poisson-Boltzmann equation, all with stochastic coefficients, are presented. For the numerical approximation of the expected value of the solution of the system, we develop a multi-level Monte-Carlo (MLMC) finite-element method (FEM) and we analyze its rate of convergence and its computational complexity. This allows to find the optimal choice of discretization parameters. Finally, numerical results show the efficiency of the method. Applications are, among others, noise and fluctuations in nanoscale transistors, in field-effect bio- and gas sensors, and in nanopores.
Ultrafast Spin-Transfer-Torque Switching of Synthetic Ferrimagnets
Creators: name: Camsari, Kerem Yunus
name: Pervaiz, Ahmed Zeeshan
name: Faria, Rafatul
name: Marinero, Ernesto E.
name: Datta, Supriyo
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The switching speed and the write current required for spin-transfer-torque reversal of spintronic devices such as magnetic tunnel junctions (MTJ) currently hinder their wide implementation into memory and logic devices. This problem is further exacerbated as the dimensions of MTJ nanostructures are scaled down to tens of nanometers in diameter, as higher magnetic anisotropy materials are required to meet thermal stability requirements that demand higher switching current densities. Here, we propose a simple solution to these issues based on synthetic ferrimagnet (SFM) structures. It is commonly assumed that to achieve a given switching delay, the current has to exceed the critical current by a certain factor and so a higher critical current implies a higher switching current. We show that this is not the case for SFM structures which can provide significantly reduced switching delay for a given current density, even though the critical current is increased. This non-intuitive result can be understood from the requirements of angular momentum conservation. We conclude that a 20 nm diameter MTJ incorporating the proposed SFM free layer structure can be switched in tens of picosecond time scales. This remarkable switching speed can be attained by employing current perpendicular magnetic anisotropy materials with experimentally demonstrated exchange coupling strengths.
Tensor eigenvalues and entanglement of symmetric states
Creators: name: Bohnet-Waldraff, Fabian
name: Braun, Daniel
name: Giraud, Olivier
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Tensor eigenvalues and eigenvectors have been introduced in the recent mathematical literature as a generalization of the usual matrix eigenvalues and eigenvectors. We apply this formalism to a tensor that describes a multipartite symmetric state or a spin state, and we investigate to what extent the corresponding tensor eigenvalues contain information about the multipartite entanglement (or, equivalently, the classicality) of the state. This extends previous results connecting entanglement to spectral properties related to the state. While for spin-1 states the positivity of the smallest tensor eigenvalue is equivalent to separability, we show that for higher values of the angular momentum there is a correlation between entanglement and the value of the smallest tensor eigenvalue.
description: 9 pages, 5 figures
Exploiting estimating equations to improve estimation procedures in the linear model
Creators: name: Mahmood, Munir
Publisher: name: Monash University
Year: 2021

description: This thesis was scanned from the print manuscript for digital preservation and is copyright the author.
 Researchers can access this thesis by asking their local university, institution or public library to
 make a request on their behalf. Monash staff and postgraduate students can use the link in the Reference field.
Effects of energetic particles on zonal flow generation by toroidal Alfven eigenmode
Creators: name: Qiu, Zhiyong
name: Chen, Liu
name: Zonca, Fulvio
Publisher: name: arXiv
Year: 2016
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Generation of zonal ow (ZF) by energetic particle (EP) driven toroidal Alfven eigenmode (TAE) is investigated using nonlinear gyrokinetic theory. It is found that, nonlinear resonant EP contri- bution dominates over the usual Reynolds and Maxwell stresses due to thermal plasma nonlinear response. ZF can be forced driven in the linear growth stage of TAE, with the growth rate being twice the TAE growth rate. The ZF generation mechanism is shown to be related to polarization induced by resonant EP nonlinearity. The generated ZF has both the usual meso-scale and micro- scale radial structures. Possible consequences of this forced driven ZF on the nonlinear dynamics of TAE are also discussed.
description: To be submitted to Physics of Plasmas
Optical spectroscopy of single beryllium acceptors in GaAs/AlGaAs quantum well
Creators: name: Petrov, P. V.
name: Kokurin, I. A.
name: Klimko, G. V.
name: Ivanov, S. V.
name: Ivánov, Yu. L.
name: Koenraad, P. M.
name: Silov, A. Yu.
name: Averkiev, N. S.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We carry out microphotoluminescence measurements of an acceptor-bound exciton (A^0X) recombination in the applied magnetic field with a single impurity resolution. In order to describe the obtained spectra we develop a theoretical model taking into account a quantum well (QW) confinement, an electron-hole and hole-hole exchange interaction. By means of fitting the measured data with the model we are able to study the fine structure of individual acceptors inside the QW. The good agreement between our experiments and the model indicates that we observe single acceptors in a pure two-dimensional environment whose states are unstrained in the QW plain.
Wigner crystallization in transition metal dichalcogenides: A new approach to correlation energy
Creators: name: Zarenia, M.
name: Neilson, D.
name: Partoens, B.
name: Peeters, F. M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We introduce a new approach for the correlation energy of one- and two-valley two-dimensional electron gas (2DEG) systems. Our approach is based on a random phase approximation at high densities and a classical approach at low densities, with interpolation between the two limits. This approach gives excellent agreement with available Quantum Monte Carlo (QMC) calculations. We employ the two-valley 2DEG model to describe the electron correlations in monolayer transition metal dichalcogenides (TMDs). The zero-temperature transition from a Fermi liquid to a quantum Wigner crystal phase in monolayer TMDs is obtained using density-functional theory within the local-density approximation. Consistent with QMC, we find that electrons crystallize at $r_s=30.5$ in one-valley 2DEG. For two-valleys, we predict Wigner crystallization at $r_s= 29.5$, indicating that valley degeneracy has little effect on the critical $r_s$, in contrast to an earlier claim.
description: 5 pages, 3 figures
Optimal Orderings of k-subsets for Star Identification
Creators: name: Mueller, Joerg H.
name: Sánchez-Sánchez, Carlos
name: Simões, Luís F.
name: Izzo, Dario
Publisher: name: arXiv
Year: 2016
Subjects: subject: Optimization and Control (math.OC)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: Finding the optimal ordering of k-subsets with respect to an objective function is known to be an extremely challenging problem. In this paper we introduce a new objective for this task, rooted in the problem of star identification on spacecrafts: subsets of detected spikes are to be generated in an ordering that minimizes time to detection of a valid star constellation. We carry out an extensive analysis of the combinatorial optimization problem, and propose multiple algorithmic solutions, offering different quality-complexity trade-offs. Three main approaches are investigated: exhaustive search (branch and prune), goal-driven (greedy scene elimination, minimally intersecting subsets), and stateless algorithms which implicitly seek to satisfy the problem's goals (pattern shifting, base unrank). In practical terms, these last algorithms are found to provide satisfactory approximations to the ideal performance levels, at small computational costs.
Normalising graphs of groups
Creators: name: Krattenthaler, Christian
name: Müller, Thomas W.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 20E06 (Primary), 20E08 (Secondary)

description: We discuss a partial normalisation of a finite graph of finite groups $(Γ(-), X)$ which leaves invariant the fundamental group. In conjunction with an easy graph-theoretic result, this provides a flexible and rather useful tool in the study of finitely generated virtually free groups. Applications discussed here include (i) an important inequality for the number of edges in a Stallings decomposition $Γ\cong π_1(Γ(-), X)$ of a finitely generated virtually free group, (ii) the proof of equivalence of a number of conditions for such a group to be `large', as well as (iii) the classification up to isomorphism of virtually free groups of (free) rank $2$. We also discuss some number-theoretic consequences of the last result.
description: 16 pages, AmS-LaTeX. arXiv admin note: substantial text overlap with arXiv:1404.1258
Ferromagnetism and the Effect of Free Charge Carriers on Electric Polarization in Y_2NiMnO_6 Double Perovskite
Creators: name: Nhalil, Hariharan
name: Nair, Harikrishnan S.
name: Kumar, C. M. N.
name: Strydom, Andre M.
name: Elizabeth, Suja
Publisher: name: arXiv
Year: 2016
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The double perovskite Y_2NiMnO_6 displays ferromagnetic transition at Tc = 81 K. The ferromagnetic order at low temperature is confirmed by the saturation value of magnetization (M_s) and also, validated by the refined ordered magnetic moment values extracted from neutron powder diffraction data at 10 K. This way, the dominant Mn4+ and Ni2+ cationic ordering is confirmed. The cation-ordered P 21/n nuclear structure is revealed by neutron powder diffraction studies at 300 and 10 K. Analysis of frequency dependent dielectric constant and equivalent circuit analysis of impedance data takes into account the bulk contribution to total dielectric constant. This reveals an anomaly which coincides with the ferromagnetic transition temperature (T_c). Pyrocurrent measurements register a current flow with onset near Tc and a peak at 57 K that shifts with temperature ramp rate. The extrinsic nature of the observed pyrocurrent is established by employing a special protocol measurement. It is realized that the origin is due to re-orientation of electric dipoles created by the free charge carriers and not by spontaneous electric polarization at variance with recently reported magnetism-driven ferroelectricity in this material
description: Published in Physical Review B