cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Containerdeutsche : contemporary German immigration to Australia and Canada
Creators: name: Radermacher, Ulrike
Publisher: name: University of British Columbia
Year: 2011

description: This thesis is a comparative study of contemporary German migration to Australia and Canada, specifically to Sydney and Vancouver. It explores the dynamics of the migration process from a phenomenological point of view. All events and circumstances in the migration process are seen as interrelated, and therefore important to the analysis. Furthermore, the meaning of a phenomenon can only be understood by exploring its context. Therefore, this study views contemporary German migration in its various contexts—how it is displayed in the social science literature and manifested in government statistics, how it is presented as common sense, and how it is experienced by the migrants themselves. Thus, the phenomenological approach attempts to be holistic. Using the phenomenologic-hermeneutic paradigm the thesis focuses on the subjective experiences of individuals; in terms of migrants' understanding of their own motivations, migration decisions, and the process of adjustment, and in terms of their understanding of other contemporary German migration experience. The study examines the migration narratives of a sample of thirty Germans who have migrated, or are at some stage of the process of migrating, to either Australia or Canada over the last twenty-five years. The specific analysis and interpretation of these accounts are based on the hermeneutic philosophy of meaning and discourse. The sample interviews reveal two levels of conceptualization in the subjects' accounts. At one level all migrants talk in a way that can be characterized as representing "common knowledge". On another level, the interviewees interpret their own personal motivations and experiences in a way which does not correspond to common knowledge. Interviewees commonly described the Neueinwanderer (new immigrant) as wealthy, arrogant business migrants, but none of the interviewees described themselves in those terms. In Australia it was commonly thought that Neueinwanderer have a difficult adjustment time, but most personal narratives related positive adjustment experiences. In Canada all interviewees believed that German immigrants had no great adjustment difficulties. The major finding of this thesis is that the conventional notions of linearity and finality with respect to migration need to be re-evaluated in the social science literature, government policies and common sense. The phenomenologic discussion reveals that modern migration, at least for certain groups to certain countries, is not a linear, discrete and final process. Instead, this thesis argues that migration is best seen as a comprehensive, recursive process of decision making, action (legal application and geographic move) and adaptation to a new environment.
A Semantic Account of Metric Preservation
Creators: name: de Amorim, Arthur Azevedo
name: Gaboardi, Marco
name: Hsu, Justin
name: Katsumata, Shin-ya
name: Cherigui, Ikram
Publisher: name: arXiv
Year: 2017
Subjects: subject: Programming Languages (cs.PL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: Program sensitivity measures how robust a program is to small changes in its input, and is a fundamental notion in domains ranging from differential privacy to cyber-physical systems. A natural way to formalize program sensitivity is in terms of metrics on the input and output spaces, requiring that an $r$-sensitive function map inputs that are at distance $d$ to outputs that are at distance at most $r \cdot d$. Program sensitivity is thus an analogue of Lipschitz continuity for programs. Reed and Pierce introduced Fuzz, a functional language with a linear type system that can express program sensitivity. They show soundness operationally, in the form of a metric preservation property. Inspired by their work, we study program sensitivity and metric preservation from a denotational point of view. In particular, we introduce metric CPOs, a novel semantic structure for reasoning about computation on metric spaces, by endowing CPOs with a compatible notion of distance. This structure is useful for reasoning about metric properties of programs, and specifically about program sensitivity. We demonstrate metric CPOs by giving a model for the deterministic fragment of Fuzz.
Dephasing of conduction electrons by magnetic impurities in Cu/Ni and Cu/Cr samples: Influence of spin-glass transition on the superconducting proximity effect
Creators: name: Sosnin, I.
name: Nugent, P.
name: Zou, J.
name: Petrashov, V. T.
name: Volkov, A. F.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The dependence of the superconducting proximity effect on the amount of magnetic impurities in the normal part of Andreev interferometers has been studied experimentally. The dephasing rates obtained from fitting experimental data to quasiclassical theory of the proximity effect are consistent with the spin flip scattering from Cr impurities forming a local moment in the Cu host. In contrast, Ni impurities do not form a local moment in Cu and as a result there is no extra dephasing from Ni as long as Cu/Ni alloy remain paramagnetic.
description: 5 pages, 7 figures, published in Phys. Rev. B
Μελέτη των επικουρικών οσταρίων και των σησαμοειδών οστών χεριού και ποδιού στον ελληνικό πληθυσμό
Creators: name: Μπελετσιώτης, Αναστάσιος Σ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2006
Subjects: Επικουρικά οστάρια
Σησαμοειδή οστά
Accessories bones
Sesamoids bones

description: Η γνώση της ύπαρξης των επικουρικών οσταρίων και των σησαμοειδών οστών χεριού και ποδιού στην κλινική πράξη μας βοηθάει στην αντιμετώπιση διαγνωστικών προβλημάτων που σχετίζονται με αυτά, ενώ η άγνοια της ύπαρξης τους ή οι δυσκολίες αναγνώρισης τους δημιουργούν προβλήματα στη διαφορική διάγνωση από άλλες παθήσεις. Μετρήσαμε 15 επικουρικά οστάρια στο χέρι με συχνότητα εμφάνισης 10,04% και 15 επικουρικά οστάρια στο πόδι με συχνότητα εμφάνισης 20,47% στον ελληνικό πληθυσμό
description: The knowledge of the existence of aceessory bones and sesamoid bones of hand and foot in clinical practice, help us to deal with problems in our diagnosis relating to then while, on the other hand, the lack of knowkedge of existence and difficulties as to their identification, creates problems in differential diagnosis from other diseases. We measured 15 accesories bones in the hand with incidence in our study 10,04% and 15 accesories bones in the foot with incidence in our study 20,47% in greek population
Residential smart plug with bluetooth communication
Creators: name: de Souza, Thales Ruano Barros
name: Rodrigues, Gabriel Goes
name: Serrao, Luan da Silva
name: Macambira, Renata do Nascimento Mota
name: Carvalho, Celso Barbosa
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Electricity forms the backbone of the modern world but increasing energy demand with the growth of urban areas in recent decades has overwhelmed the current power grid ecosystem. So, there is a need to move towards a more efficient and interconnected smart grid infrastructure. The growing popularity of the Internet of Things(IoT) has increased the demand for smart and connected devices. In this work we developed a hardware device based on the ATmega2560 microcontroller that can estimate the power consumption and control the state of electro-electronic devices interconnected to it through Bluetooth wireless technology. The developed hardware is a smart plug focusing on smart home applications. As a result, by using a smartphone device with Bluetooth communication, one can control and measure electrical parameters of the interconnected electro-electronic hardware such as the RMS (Root Mean Square) current and RMS power been consumed. The obtained results showed the technical viability in the construction of energy consumption measuring device using modules and components available in the Brazilian market.
Dimension-changing exact solutions of string theory
Creators: name: Hellerman, Simeon
name: Swanson, Ian
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Superstring theories in the critical dimension D=10 are connected to one another by a well-explored web of dualities. In this paper we use closed-string tachyon condensation to connect the supersymmetric moduli space of the critical superstring to non-supersymmetric string theories in more than ten dimensions. We present a new set of classical solutions that exhibit dynamical transitions between string theories in different dimensions, with different degrees of stability and different amounts of spacetime supersymmetry. In all examples, the string-frame metric and dilaton gradient readjust themselves during the transition. The central charge of the worldsheet theory remains equal to 15, even as the total number of dimensions changes. This phenomenon arises entirely from a one-loop diagram on the string worldsheet. Allowed supersymmetric final states include half-BPS vacua of type II and SO(32) heterotic string theory. We also find solutions that bypass the critical dimension altogether and proceed directly to spacelike linear dilaton theories in dimensions greater than or equal to two.
description: v2, v3: minor corrections, references added, 40 pages, 6 figures
Escape rate from a metastable state weakly interacting with a heat bath driven by an external noise
Creators: name: Chaudhuri, Jyotipratim Ray
name: Barik, Debashis
name: Banik, Suman Kumar
Publisher: name: arXiv
Year: 2006
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Based on a system-reservoir model, where the reservoir is driven by an external stationary, Gaussian noise with arbitrary decaying correlation function, we study the escape rate from a metastable state in the energy diffusion regime. For the open system we derive the Fokker-Planck equation in the energy space and subsequently calculate the generalized non-Markovian escape rate from a metastable well in the energy diffusion domain. By considering the dynamics in a model cubic potential we show that the results obtained from numerical simulation are in good agreement with the theoretical prediction. It has been also shown numerically that the well known turnover feature can be restored from our model.
description: 11 pages, 2 figures
Διερεύνηση της διαισθητικής γνώσης των μαθητών για τη γλώσσα και ανάπτυξη της γλωσσικής τους επίγνωσης μέσω της γλωσσικής διδασκαλίας
Creators: name: Δόδης, Αθανάσιος Χρ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2006
Subjects: Διαισθητική γνώση-συνειδητή/ρητή γνώση
Διδασκαλία γραμματικής
Grammar teaching
Implicit knowledge/explicit knowledge

description: Οι μαθητές έχουν διαισθητική γνώση της γραμματικής της γλώσσας τους και γνώση για τη γλώσσα τους την οποία και αξιοποιούν κατά τρόπο αποτελεσματικό στην καθημεριμή τους επικοινωνία. Τη γνώση αυτή το σχολείο πρέπει μέσω της διδασκαλίας του γλωσσικού μαθήματος να την αξιοποιεί, να την καλλιεργεί και να την αναπτύσσει, ώστε οι μαθητές να μπορούν να παράγουν λόγο, προφορικό και γραπτό, αποτελεσματικό στην προσπάθειά τους να επικοινωνήσουν. Η εργασία αυτή διερευνά πως η γνώση αυτή μέσα από μια επικοινωνιακή-λειτρουργική προσέγγιση του γλωσσικού μαθήματος από διαισθητική γίνεται σταδιακά συνειδητή, δηλαδή μετατρέπεται σε γλωσσική επίγνωση. Η διερεύνηση αυτή γίνεται μέσα από δεδομένα που είναι συνομιλίες που διαμείφθηκαν στο πλαίσιο του γλωσσικού μαθήματος. Η ανάλυση των συνομιλιακών δεδομένων δείχνει ότι στο πλαίσιο μιας επικοινωνιακής-λειτουργικής προσέγγισης του γλωσσικού μαθήματος οι μαθητές αναπτύσσουν την ικανότητα τους να χρησιμοποιούν τη γνώση τους για τη γλώσσα κατά τρόπο συνειδητό και αποτελεσματικό στην προσπάθειά τους να επικοινωνήσουν στο πλαίσιο πραγματικών επικοινωνιακών περιστάσεων με πραγματικούς επικοιωνιακούς στόχους. Μέσα από την επικοινωνιακή αυτή χρήση της γλώσσας η διαισθητική γνώση των μαθητών γίνεται σταδιακά συνειδητή
description: Pupils' have implicit knowledge of the grammar of their language and also knowledge about language, which they try to utilize in an effective way in their attempt to communicate. The school should build on this knowledge and should try to cultivate, promote and develop it, so that pupils will be able to communicate effectively. This dissertation explores how this knowledge, through a communicative-functional approach of language teaching, is transformed from inplicit into explicit, namely it changes into language awareness. This exploration is accomplished by analyzing data which consists of conversations that took place in the context of language teaching. The analysis of this conversational data shows that, in the context of a communicative-functional approach of language teaching, pupils develop their ability to utilize their knowledge about language consciously and effectively in order to achieve certain communication goals as they try to communicate in real life situations with actual addressees. Through this communicative usage of the language implicit knowledge becomes gradually explicit
Multiscale interactions between monsoon intra-seasonal oscillations and low pressure systems that produce heavy rainfall events of different spatial extents
Creators: name: Nikumbh, Akshaya C
name: Chakraborty, A.
name: Bhat, G. S.
name: Frierson, Dargan M. W.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Atmospheric and Oceanic Physics (physics.ao-ph)
subject: FOS: Physical sciences

description: The sub-seasonal and synoptic-scale variability of the Indian summer monsoon rainfall are controlled primarily by monsoon intra-seasonal oscillations (MISO) and low pressure systems (LPS), respectively. The positive and negative phases of MISO lead to alternate epochs of above-normal (active) and below-normal (break) spells of rainfall. LPSs are embedded within the different phases of MISO and are known to produce heavy precipitation events over central India. Whether the interaction with the MISO phases modulates the precipitation response of LPSs, and thereby the characteristics of extreme rainfall events (EREs) remains unaddressed in the available literature. In this study, we analyze the LPSs that produce EREs of various spatial extents viz., Small, Medium, and Large over central India from 1979 to 2012. We also compare them with the LPSs that pass through central India and do not give any ERE (LPS-noex). We find that thermodynamic characteristics of LPSs that trigger different spatial extents of EREs are similar. However, they show differences in their dynamic characteristics. The ERE producing LPSs are slower, moister and more intense than LPS-noex. The LPSs that lead to Medium and Large EREs tend to occur during the positive phase of MISO when an active monsoon trough is present over central India. On the other hand, LPS-noex and the LPSs that trigger Small EREs occur mainly during the neutral or negative phases of the MISO. The large-scale dynamic forcing, intensification of LPSs, and diabatic generation of low-level potential vorticity due to the presence of active monsoon trough help in the organization of convection and lead to Medium and Large EREs. On the other hand, the LPSs that form during the negative or neutral phases of MISO do not intensify much during their lifetime and trigger scattered convection, leading to EREs of small size.
description: 36 pages, 10 figures, 1 table. This work has been submitted to Journal of climate. Copyright in this work may be transferred without further notice
Conditional preparation of non-Gaussian quantum optical states by mesoscopic measurement
Creators: name: Davis, Alexander O. C.
name: Walschaers, Mattia
name: Parigi, Valentina
name: Treps, Nicolas
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Non-Gaussian states of an optical field are important as a proposed resource in quantum information applications. While conditional preparation is a highly successful approach to preparing such states, their quality is limited by detector non-idealities such as dead time, narrow dynamic range, limited quantum efficiency and dark noise. Mesoscopic photon counters, with peak performance at higher photon number, offer many practical advantages over single-photon level conditioning detectors. Here we propose a novel approach involving displacement of the ancilla field into the regime where mesoscopic detectors can be used. We explore this strategy theoretically and present simulations accounting for experimental non-idealities such as loss and amplification noise, showing that precise photon-number resolution is not necessary to herald highly nonclassical states. We conclude that states with strong Wigner negativity can be prepared at high rates by this technique under experimentally attainable conditions.
Universal form of thermodynamic uncertainty relation for Langevin dynamics
Creators: name: Lee, Jae Sung
name: Park, Jong-Min
name: Park, Hyunggyu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Thermodynamic uncertainty relation (TUR) provides a stricter bound for entropy production (EP) than that of the thermodynamic second law. This stricter bound can be utilized to infer the EP and derive other trade-off relations. Though the validity of the TUR has been verified in various stochastic systems, its application to general Langevin dynamics has not been successful in a unified way, especially for underdamped Langevin dynamics, where odd parity variables in time-reversal operation such as velocity get involved. Previous TURs for underdamped Langevin dynamics is neither experimentally accessible nor reduced to the original form of the overdamped Langevin dynamics in the zero-mass limit. Here, we find an operationally accessible TUR for underdamped Langevin dynamics with an arbitrary time-dependent protocol. We show that the original TUR is a consequence of our underdamped TUR in the zero-mass limit. This indicates that the TUR formulation presented here can be regarded as the universal form of the TUR for general Langevin dynamics. The validity of our result is examined and confirmed for three prototypical underdamped Langevin systems and their zero-mass limits; free diffusion dynamics, charged Brownian particle in a magnetic field, and molecular refrigerator.
description: 10 pages
Bright globular clusters in NGC 5128: the missing link between young massive clusters and evolved massive objects
Creators: name: Rejkuba, M.
name: Dubath, P.
name: Minniti, D.
name: Meylan, G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: In order to investigate whether the brightest globular clusters (GCs) in the giant elliptical galaxies are similar to the less luminous GCs like those found in Local Group galaxies, we study the velocity dispersion and structural parameter correlations of a sample of bright GCs in the nearest gE galaxy NGC 5128. UVES echelle spectrograph on the ESO VLT, and EMMI on the ESO NTT were used to obtain high resolution spectra of bright GCs in NGC 5128. The velocity dispersions were obtained for all the targets. The structural parameters were either taken from the existing literature, or derived from our VLT FORS1 images using the ISHAPE software. The velocity dispersion and structural parameter measurements were used to obtain masses and M/L_V ratios of 22 clusters. The masses of the clusters in our sample range from M_vir=10^5-10^7 M_sun and the average M/L_V is 3+/-1. The three GCs harbouring X-ray point sources are the second, third and sixth most massive in our sample. The most massive cluster, HCH99-18, is also the brightest and the largest in size. It has the mass (M_vir=1.4x10^7 M_sun) an order of magnitude larger than the most massive clusters in the Local Group, and a high M/L_V ratio (4.7+/-1.2). We discuss briefly possible formation scenarios for this object. The correlations of structural parameters, velocity dispersion, masses and M/L_V for the bright GCs in NGC 5128 extend the properties established for the most massive Local Group clusters towards those characteristic of dE galaxy nuclei and Ultra Compact Dwarfs (UCDs). The detection of the mass-radius and the mass-M/L_V relations for the GCs with masses greater than ~2x10^6 M_sun provides the missing link between ``normal'' old globular clusters, young massive clusters, and evolved objects like UCDs. (Abridged)
description: Accepted for publication in A&A; 18 pages, 11 figures
Interstellar objects follow the collapse of molecular clouds
Creators: name: Pfalzner, Susanne
name: Paterson, Dylan
name: Bannister, Michele T.
name: Zwart, Simon Portegies
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Interstellar objects (ISOs), the parent population of 1I/Oumuamua and 2I/Borisov, are abundant in the interstellar medium of the Milky Way. This means that the interstellar medium, including molecular cloud regions, has three components: gas, dust, and ISOs. From the observational constraints for the field density of ISOs drifting in the solar neighbourhood, we infer a typical molecular cloud of 10 pc diameter contains some 10$^{18}$ ISOs. At typical sizes ranging from hundreds of metres to tens of km, ISOs are entirely decoupled from the gas dynamics in these molecular clouds. Here we address the question of whether ISOs can follow the collapse of molecular clouds. We perform low-resolution simulations of the collapse of molecular clouds containing initially static ISO populations toward the point where stars form. In this proof-of-principle study, we find that the interstellar objects definitely follow the collapse of the gas -- and many become bound to the new-forming numerical approximations to future stars (sinks). At minimum, 40\% of all sinks have one or more ISO test particles gravitationally bound to them for the initial ISO distributions tested here. This value corresponds to at least $10^{10}$ actual interstellar objects being bound after three initial free-fall times. Thus, ISOs are a relevant component of star formation. We find that more massive sinks bind disproportionately large fractions of the initial ISO population, implying competitive capture of ISOs. Sinks can also be solitary, as their ISOs can become unbound again -- particularly if sinks are ejected from the system. Emerging planetary systems will thus develop in remarkably varied environments, ranging from solitary to richly populated with bound ISOs.
description: 15 pages, 7 figures, accepted for ApJ
Η αξιολόγηση του εκπαιδευτικού έργου από τη σκοπιά διευθυντών σχολικών μονάδων δευτεροβάθμιας εκπαίδευσης
Creators: name: Γκανάκας, Ιωάννης
Publisher: name: Aristotle University of Thessaloniki
Year: 2006
Subjects: Αξιολόγηση του σχολείου
Διεθυντές σχολείων
School evaluation
Headteacher's school

description: Η μελέτη αυτή αποσκοπεί στη διερεύνηση των απόψεων διευθυντών σχολείων της δευτεροβάθμιας εκπαίδευσης σχετικά με την αξιολόγηση του εκπαιδευτικού και του εκπαιδευτικού έργου σε επίπεδο σχολικής μονάδας. Χρησιμοποιήθηκε η ποσοτική μεθοδολογία μέσω ανώνυμου ταχυδρομημένου ερωτηματολογίου. Ο πληθυσμός αναφοράς της έρευνας ήταν όλοι οι διευθυντές των σχολείων δευτεροβάθμιας εκπαίδευσης Κεντρικής Μακεδονίας. Το ερωτηματολόγιο εστάλη σε κάθε δεύτερο σχολείο και το ποσοστό επιστροφής διαμορφώθηκε στο 67,15%. Η αναγκαιότητα άμεσης έναρξης της αξιολόγησης του εκπαιδευτικού έργου με στόχο τη βελτίωση του παραγόμενου έργου και την αξιοκρατική επιλογή στελεχών είναι από τα πρώτα συμπεράσματα της έρευνας. Τα κριτήρια αξιολόγησης πρέπει να περιλαμβάνουν παραμέτρους «εισόδου», π.χ. υλικοτεχνική υποδομή, παραμέτρους «διαδικασίας», π.χ. διδασκαλία και παραμέτρους «εξόδου», π.χ. επίδοση των μαθητών. Σχετικά με τους φορείς αξιολόγησης του σχολείου οι διευθυντές θεωρούν πιο σημαντική την εσωτερική αξιολόγηση, με κύριους συντελεστές το διευθυντή και το Σύλλογο Διδασκόντων, αποδεχόμενοι όμως το ρόλο του Σχολικού Συμβούλου, θέτοντας έτσι έμμεσα το ζήτημα των σχέσεων εσωτερικής και εξωτερικής αξιολόγησης. Τέλος οι διευθυντές θεωρούν ως βασική προϋπόθεση επιτυχίας της αξιολογικής διαδικασίας την αξιοκρατική επιλογή του διευθυντή και την ουσιαστική επιμόρφωσή του σε θέματα αξιολόγησης
description: This study investigates the opinions held by secondary school’s heads on the evaluation of teachers and educational work at the level of school unit. The method which was used is quantitative, through anonymous mailed questionnaire. Reference population was secondary school's heads from Central Macedonia. We sent the questionnaire to every other school and the percentage of replies we received was 67.15%. This research forms the following conclusions. First, that there is a need of immediate educational work's evaluation in order to improve the work which is being produced. Second, that there is a need of meritocracy in the Heads' selection procedure. Evaluation criteria should include 'input' parameters, such as material and technical infrastructure, 'procedure' parameters, such as teaching and 'output' parameters, such as the students' performance. Regarding the vehicles of evaluation, Heads consider internal evaluation performed by the Head and the teaching personnel (as team) as the most important factor. However, they tend to accept the role of the School Advisor, posing the matter of internal and external evaluation relationships. Finally, Heads hold as an essential condition the need for meritocracy in their selection procedure and their thorough training in aspects of evaluation so as to effectively complete the evaluation process
Hardy's dangerous companion : a study of the poetic relationship between Thomas Hardy and A.C. Swinburne
Creators: name: Pearkes, Eileen Delehanty
Publisher: name: University of British Columbia
Year: 2011

description: Thomas Hardy's elegy to A.C. Swinburne, composed in 1910 shortly after his death, points to a poetic relationship between the two poets which goes beyond admiration or influence. The relationship between Hardy and Swinburne has not been adequately explored by twentieth century critics, and it is the central purpose of this thesis to examine more closely parallels between them on the level of technique. Analysis of Hardy's elegy entitled "A Singer Asleep" suggests how Hardy may have identified with Swinburne on the level of technique. Swinburne and Hardy both lived in London in the 1860s, a lively period which provided them both with much creative and intellectual sustenance, including in the area of prosody. And although Hardy's career as a novelist temporarily eclipsed his career as a poet, the seeds planted in those early days in London provided him with an enduring sympathy for Swinburne's work which continued long after he resumed his career as a poet. Several components of Hardy's technique suggest a sympathetic connection with Swinburne on Hardy's part, reflecting not so much influence but rather inspiration. Hardy's metrical borrowing of several forms unique to Swinburne did not result in poems of identical character; Hardy's adaptations exhibit his distinct poetic style. His experiments in classical prosody are similar to Swinburne's in their willingness to resist convention. In his use of trisyllabic substitution, Hardy has tested the limits of this technique just as Swinburne has, and it can be argued that Hardy is ultimately more successful in his attempts to loosen the iambic line. The two poets also conducted extensive experiments in the use of rhyme, either through imitation of established schemes or invention of new patterns. This comparison of the techniques of Swinburne and Hardy prompts some reconsideration of Hardy as a naive and clumsy poet, and suggests that he was far more learned and considerate in his use of prosody than has been concluded by many twentieth-century critics. Hardy's uneven but highly expressive rhythms demonstrate not naivete, but a desire to test the bounds of tradition, and it was in this desire that he found poetic companionship with Swinburne.
UV Radiative Feedback on High-Redshift Proto-Galaxies
Creators: name: Mesinger, Andrei
name: Bryan, Greg
name: Haiman, Zoltan
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We use three-dimensional hydrodynamic simulations to investigate the effects of a transient photoionizing ultraviolet (UV) flux on the collapse and cooling of pregalactic clouds. These clouds have masses in the range 10^5 -10^7 M_sun, form at high redshifts (z>18), are assumed to lie within the short-lived cosmological HII regions around the first generation of stars. In addition, we study the combined effects of this transient UV flux and a persistent Lyman-Werner (LW) background from distant sources. In the absence of a LW background, we find that a critical specific intensity of J_UV ~ 0.1 x 10^-21 ergs s^-1 cm^-2 Hz^-1 sr^-1 demarcates a transition from net negative to positive feedback for the halo population. A weaker UV flux stimulates subsequent star formation inside the fossil HII regions, by enhancing the H_2 molecule abundance. A stronger UV flux significantly delays star-formation by reducing the gas density, and increasing the cooling time, at the centers of collapsing halos. At a fixed J_UV, the sign of the feedback also depends strongly on the density of the gas at the time of UV illumination. Regardless of the whether the feedback is positive or negative, we find that once the UV flux is turned off, its impact stars to diminish after ~30% of the Hubble time. In the more realistic case when a LW background is present, with J_LW > 0.01 x 10^-21 ergs s^-1 cm^-2 Hz^-1 sr^-1, strong suppression persists down to the lowest redshift (z=18) in our simulations. Finally, we find evidence that heating and photoevaporation by the transient UV flux renders the ~10^6 M_sun halos inside fossil HII regions more vulnerable to subsequent H_2 photo-dissociation by a LW background.
description: 18 pages, 18 figures, ApJ submitted
Search for orientation in multiple media : which comes first, the color or the edge
Creators: name: Wig, Patrick Shawn
Publisher: name: University of British Columbia
Year: 2011

description: Search for combinations of orientation, shape, color, direction of motion, and binocular disparity should be slower than search for any one of them in isolation. Recent results showing fast search for certain combinations of these features havef prompted theorists to suggest that features like orientation may be represented separately depending on the color, texture, or other medium that distinguishes them from the background (Cavanagh, Arguin, & Treisman, 1990; Treisman, 1988). Enns and Wig (1989) provide evidence that edge orientation is represented independently from the medium in which it is carried, at least for texture and luminance. This thesis examined the effects of multiple colors on search for oriented edges. Experiment 1 compared edges defined by different equiluminant colors (i.e., colors of equal apparent brightness), and Experiment 2 compared color and luminance defined edges. Subjects were able to search for a vertical edge defined by either color in parallel. They could also search for a vertical edge of randomly alternating color among mixed color horizontal distractors without interference. However, search rates became serial if the distractors included vertical edges of another color. This pattern of results was duplicated in Experiment 2. The presence of this Stroop interference is strong evidence for color and luminance independent representations for orientation in visual search.
Functional structure in production networks
Creators: name: Mattsson, Carolina
name: Takes, Frank W.
name: Heemskerk, Eelke M.
name: Diks, Cees
name: Buiten, Gert
name: Faber, Albert
name: Sloot, Peter M. A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Physics and Society (physics.soc-ph)
subject: General Economics (econ.GN)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: Production networks are integral to economic dynamics, yet dis-aggregated network data on inter-firm trade is rarely collected and often proprietary. Here we situate company-level production networks among networks from other domains according to their local connectivity structure. Through this lens, we study a regional and a national network of inferred trade relationships reconstructed from Dutch national economic statistics and re-interpret prior empirical findings. We find that company-level production networks have so-called functional structure, as previously identified in protein-protein interaction (PPI) networks. Functional networks are distinctive in their over-representation of closed squares, which we quantify using an existing measure called spectral bipartivity. Shared local connectivity structure lets us ferry insights between domains. PPI networks are shaped by complementarity, rather than homophily, and we use multi-layer directed configuration models to show that this principle explains the emergence of functional structure in production networks. Companies are especially similar to their close competitors, not to their trading partners. Our findings have practical implications for the analysis of production networks and a thorough understanding of their local connectivity structure will help us better reason about the micro-economic mechanisms behind their routine function, failure, and growth.
description: 20 pages, 5 figures
The discovery of the first luminous z~6 quasar in the UKIDSS Large Area Survey
Creators: name: Venemans, B. P.
name: McMahon, R. G.
name: Warren, S. J.
name: Gonzalez-Solares, E. A.
name: Hewett, P. C.
name: Mortlock, D. J.
name: Dye, S.
name: Sharp, R. G.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the initial results from our search for high redshift, z > 6, quasars using near infrared data from the UKIRT Infrared Deep Sky Survey (UKIDSS) Large Area Survey (LAS). Our analysis of 106 deg^2 of sky from Data Release 1 (DR1) has resulted in the discovery of ULAS J020332.38+001229.2, a luminous (J_AB=20.0, J_Vega=19.1, M_1450=-26.2) quasar at z=5.86. Following candidate selection from the combined IR and optical catalogue data and stacking of multiple epoch Sloan Digital Sky Survey (SDSS) data, we have obtained optical spectroscopy for the only two z > 6 quasar candidates. The VLT FORS2 spectrum of ULAS J020332.38+001229.2 shows broad Ly alpha + NV1240 emission at ~8350 A and an abrupt continuum break due to absorption by the Ly alpha forest. The quasar is not present in the SDSS DR5 catalogue and the continuum spectral index of alpha=-1.4 (F_nu nu^alpha) is redder than a composite of SDSS quasars at similar redshifts (alpha=-0.5). The discovery of one z~6 quasar in ~100 deg^2 in a complete sample within our selection criteria down to a median depth of Y_AB=20.4 (7 sigma) is consistent with existing SDSS results. We describe our survey methodology, including the use of optical data from the SDSS and the highly effective procedures developed to isolate the very small surface density of high-probability quasar candidates.
description: 5 pages, 4 figures. Accepted by MNRAS Letters. v2: small changes to match accepted version
Combining typing and size constraints for checking the termination of higher-order conditional rewrite systems
Creators: name: Blanqui, Frédéric
name: Riba, Colin
Publisher: name: arXiv
Year: 2006
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: In a previous work, the first author extended to higher-order rewriting and dependent types the use of size annotations in types, a termination proof technique called type or size based termination and initially developed for ML-like programs. Here, we go one step further by considering conditional rewriting and explicit quantifications and constraints on size annotations. This allows to describe more precisely how the size of the output of a function depends on the size of its inputs. Hence, we can check the termination of more functions. We first give a general type-checking algorithm based on constraint solving. Then, we give a termination criterion with constraints in Presburger arithmetic. To our knowledge, this is the first termination criterion for higher-order conditional rewriting taking into account the conditions in termination.
Some Applications of the Percolation Theory. Brief Review of the Century Beginning
Creators: name: Herega, Alexander
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: The review is a brief description of the state of problems in percolation theory and their numerous applications, which are analyzed on base of interesting papers published in the last 15-20 years. At the submitted papers are studied both the cluster system of the physical body and its impact on the object in general, and adequate mathematical tools for description of critical phenomena too. Of special interest are the data, first, the point of phase transition of certain of percolation system is not really a point, but it is a critical interval, and second, in vicinity of percolation threshold observed many different infinite clusters instead of one infinite cluster that appears in traditional consideration.
description: arXiv admin note: text overlap with arXiv:1104.5376, arXiv:1205.0691 by other authors
Electronic, dynamical and superconducting properties of CaBeSi
Creators: name: Bersier, C.
name: Floris, A.
name: Sanna, A.
name: Profeta, G.
name: Continenza, A.
name: Gross, E. K. U.
name: Massidda, S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report first-principles calculations on the normal and superconducting state of CaBe(x)Si(2-x) (x=1), in the framework of density functional theory for superconductors (SCDFT). CaBeSi is isostructural and isoelectronic to MgB2 and this makes possible a direct comparison of the electronic and vibrational properties and the electron-phonon interaction of the two materials. Despite the many similarities with MgB2 (e.g. sigma bands at the Fermi level and a larger Fermi surface nesting), according to our calculations CaBeSi has a very low critical temperature (Tc ~ 0.4 K, consistent with the experiment). CaBeSi exhibits a complex gap structure, with three gaps at Fermi level: besides the two sigma and pi gaps, present also in MgB2, the appearance of a third gap is related to the anisotropy of the Coulomb repulsion, acting in different way on the bonding and antibonding electronic pi states.
description: 6 pages, 5 figures
The InfraRed Imaging Spectrograph (IRIS) for TMT: photometric characterization of anisoplanatic PSFs and testing of PSF-Reconstruction via AIROPA
Creators: name: Rundquist, Nils
name: Wright, Shelley A.
name: Schoeck, Matthias
name: Surya, Arun
name: Lu, Jessica
name: Turri, Paolo
name: Chapin, Edward L.
name: Chisholm, Eric
name: Dod, Tuan
name: Dunn, Jennifer
name: Ghez, Andrea
name: Hayano, Yutaka
name: Johnson, Chris
name: Larkin, James E.
name: Riddle, Reed L.
name: Sohn, Ji Man
name: Suzuki, Ryuji
name: Walth, Gregory
name: Zonca, Andrea
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The InfraRed Imaging Spectrograph (IRIS) is a first-light instrument for the Thirty Meter Telescope (TMT) that will be used to sample the corrected adaptive optics field by the Narrow-Field Infrared Adaptive Optics System (NFIRAOS) with a near-infrared (0.8 - 2.4 $μ$m) imaging camera and integral field spectrograph. To better understand IRIS science specifications we use the IRIS data simulator to characterize relative photometric precision and accuracy across the IRIS imaging camera 34"x34" field of view. Because the Point Spread Function (PSF) varies due to the effects of anisoplanatism, we use the Anisoplanatic and Instrumental Reconstruction of Off-axis PSFs for AO (AIROPA) software package to conduct photometric measurements on simulated frames using PSF-fitting as the PSF varies in single-source, binary, and crowded field use cases. We report photometric performance of the imaging camera as a function of the instrumental noise properties including dark current and read noise. Using the same methods, we conduct comparisons of photometric performance with reconstructed PSFs, in order to test the veracity of the current PSF-Reconstruction algorithms for IRIS/TMT.
description: SPIE 2020, 16 pages, 10 figures, 4 tables
Hydrodynamic Flow as Congruence of Geodesic Lines in Riemannian Space-Time
Creators: name: Verozub, L. V.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: Mathematical Physics (math-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: It is shown that small elements of perfect fluid in adiabatic processes move along geodesic lines of a Riemannian space-time.
description: 5 pages, Latex. Final version
Επίδραση της φαρμακευτικής αγωγής στη λειτουργία των Β-κυττάρων και στην αντίσταση στην ινσουλίνη σε ασθενείς με σακχαρώδη διαβήτη τύπου 2
Creators: name: Ηλιάδης, Φώτιος Σ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2006
Subjects: Αντιδιαβητικά δισκία
Antidiabetic agents

description: Σκοπός της παρούσας μελέτης ήταν η συγκριτική αξιολόγηση παλαιότερων και νεότερων αντιδιαβητικών δισκίων που είτε μειώνουν την ινσουλινοαντίσταση όπως η ροζιγλιταζόνη και η μερφορμίνη, έιτε αυξάνουν την έκκριση της ινσουλίνης όπως η ρεπαγλινίδη και η γλιμεπιρίδη. Εβδομήντα τρεις ασθενείς με ΣΔ πρόσφατης διάγνωσης τέθηκαν σε αγωγή με τα παραπάνω φάρμακα για 18 εβδομάδες. Πριν και μετά την ολοκλήρωση της μελέτης εκτιμήθηκε η ινσουλινοαντίσταση, η λειτουργικότητα των β-κυττάρων, η ρύθμιση του ΣΔ και μεταβολές σε αιματολογικές και βιοχημικές παραμέτρους, Μετφορμίνη και σουλφονυλουρίες παρουσιάζονται ως οι καταλληλότερες θεραπευτικές επιλογές. Μάλιστα η μεφορμίνη έχοντας παρόμοια υπογλυκαιμική δράση με τη γλικεπιρίδη χωρίς κίνδυνο υπογλυκαιμιών ευνοϊκότερη επίδραση τόσο στη μείωση όσο και στην ανακατανομή του σωματικού βάρους, χαμηλό κόστος και με δεδομένη τη μείωση των μακροαγγειακών επιπλοκών που προκαλεί, κρίνεται ως η καταλληλότερη αρχική θεραπευτική επιλογή, ιδίως σε υπέρβαρους και παχύσαρκους διαβητικούς τύπου 2 που δεν παρουσιάζουν κάποια από τις αντενδείξεις χορήγησή της
description: The purpose of the present study was the comparative evaluation of older and newer antidiebetic agents which either reduce insulin resistance such as rosiglitezone and methormin or increase insulin secretion, such as repaglinide and glimepirine. Seventy three patients with type 2 diabetes, recently diagnosed, recieved the previus antidiabetic agents for eighteen weeks after the treatment period we evaluate the changes in the functionality of b-cells and insulin resistance. Also studied was the effect of these drugs on the DM regulation, haematological and biochemical parameters. Methormin and suffonylureas seem to be the most proper choises. Metformin especially, has similar hypoglycemic action to glimepiride without presenting hypoglycemin episodes and favorable action in reduction and mainly in resistribution of body wright. In combination to it's low price and documented reduction of macrovascular complications seems to be the most suitable choise for initial treatment, especially in overweight and obese type 2 diabetic patients who don't present any contra-indications in receiving it
Nonperturbative determination of the QCD potential at O(1/m)
Creators: name: Koma, Yoshiaki
name: Koma, Miho
name: Wittig, Hartmut
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The relativistic correction to the QCD static inter-quark potential at O(1/m) is investigated nonperturbatively for the first time by using lattice Monte Carlo QCD simulations. The correction is found to be comparable with the Coulombic term of the static potential when applied to charmonium, and amounts to one-fourth of the Coulombic term for bottomonium.
description: 4 pages, 3 figures, published version
A quantitative assessment of epidemiological parameters to model COVID- 19 burden
Creators: name: Zardini, Agnese
name: Galli, Margherita
name: Tirani, Marcello
name: Cereda, Danilo
name: Manica, Mattia
name: Trentini, Filippo
name: Guzzetta, Giorgio
name: Marziano, Valentina
name: Piccarreta, Raffaella
name: Melegaro, Alessia
name: Ajelli, Marco
name: Poletti, Piero
name: Merler, Stefano
Publisher: name: arXiv
Year: 2021
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: Solid estimates describing the clinical course of SARS-CoV-2 infections are still lacking due to under-ascertainment of asymptomatic and mild-disease cases. In this work, we quantify age-specific probabilities of transitions between stages defining the natural history of SARS-CoV-2 infection from 1,965 SARS-CoV-2 positive individuals identified in Italy between March and April 2020 among contacts of confirmed cases. Infected contacts of cases were confirmed via RT-PCR tests as part of contact tracing activities or retrospectively via IgG serological tests and followed-up for symptoms and clinical outcomes. In addition, we provide estimates of time intervals between key events defining the clinical progression of cases as obtained from a larger sample, consisting of 95,371 infections ascertained between February and July 2020. We found that being older than 60 years of age was associated with a 39.9% (95%CI: 36.2-43.6%) likelihood of developing respiratory symptoms or fever >= 37.5 °C after SARS-CoV-2 infection; the 22.3% (95%CI: 19.3-25.6%) of the infections in this age group required hospital care and the 1% (95%CI: 0.4-2.1%) were admitted to an intensive care unit (ICU). The corresponding proportions in individuals younger than 60 years were estimated at 27.9% (95%CI: 25.4-30.4%), 8.8% (95%CI: 7.3-10.5%) and 0.4% (95%CI: 0.1-0.9%), respectively. The infection fatality ratio (IFR) ranged from 0.2% (95%CI: 0.0-0.6%) in individuals younger than 60 years to 12.3% (95%CI: 6.9-19.7%) for those aged 80 years or more; the case fatality ratio (CFR) in these two age classes was 0.6% (95%CI: 0.1-2%) and 19.2% (95% CI: 10.9-30.1%), respectively. The median length of stay in hospital was 10 (IQR 3-21) days; the length of stay in ICU was 11 (IQR 6-19) days. The obtained estimates could be instrumental to refine mathematical modeling work supporting public health decisions.
description: 20 pages, 4 figures