cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Μελέτη της προσάραξης ορισμένων βιοδραστικών συμπλόκων του Cu(II) σε πρωτεΐνες:
Creators: name: Λυγερός, Ανδρέας Ξενοφώντος
Publisher: name: Aristotle University of Thessaloniki
Year: 2012
Subjects: Σύμπλοκα Cu(II)
Μοριακή προσάραξη
Μοριακή Μοντελοποίηση
Cu(II) complexes
Molecular Docking
Molecular Modeling

description: Στόχος της εργασίας ήταν η μελέτη της αναστολής αύξησης διαφόρων πρωτεϊνών μέσω της διαδικασίας μοριακής προσάραξης των βιοδραστικών συμπλόκων Cu(SalNEt2)tartrate, Cu(SalNEt2)salicylate και Cu(SalNEt2)piperidinate. Ειδικότερα, προκειμένου να διερευνηθεί ο μηχανισμός της βιολογικής δράσης των συγκεκριμένων συμπλόκων εκτελέστηκαν DFT κβαντοχημικοί υπολογισμοί οι οποίοι είχαν σαν στόχο τη διευκρίνιση της μοριακής και ηλεκτρονικής τους δομής καθώς και τη μελέτη των δεσμικών τους ιδιοτήτων προκειμένου να προσδιορισθούν οι θέσεις της ηλεκτρονιόφιλης ή πυρηνόφιλης προσβολής τους. Mε την τεχνική της μοριακής προσάραξης εντοπίστηκαν οι πιθανές αλληλεπιδράσεις του τρυγικού, του σαλικυλικού και του πιπεριδινικού παραγώγου με τις νουκλεοβάσεις και τα αμινοξέα των πρωτεϊνών που μελετήθηκαν. Τέλος με μεθοδολογίες της μοριακής μοντελοποίησης διερευνήθηκε η συναρμογή των τριών παραγώγων με τις νουκλεοβάσεις και τα αμινοξέα των πρωτεϊνών όπου εντοπίστηκαν αλληλεπιδράσεις με σκοπό την παραγωγή νέων βιοδραστικών ενώσεων.
description: The aim of the present project was the study of some proteins growth inhibition, through the process of molecular docking of the bioactive complexes Cu(SalNEt2)tartrate, Cu(SalNEt2)salicylate and Cu(SalNEt2)piperidinate. Specifically, to investigate the mechanism of biological activity of these complexes, DFT calculations were undertaken to illustrate the molecular and electronic structure and the study of bonding properties to determine the positions of electrophilic or nucleophilic attack. Through Molecular Docking techniques the possible interactions of the tartrate, the salicylate and the piperidinate derivative with the amino acids and the nucleobases of the proteins were spotted. Finally, through molecular modeling methodologies, the assembly of the three derivatives with the amino acids and the nucleobases of the proteins were investigated to produce new bioactive compounds.
Dissipative tunneling through a parabolic potential in the Lindblad theory of open quantum systems
Creators: name: Isar, A.
name: Sandulescu, A.
name: Scheid, W.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: By using the Lindblad theory for open quantum systems, an analytical expression of the tunneling probability through an inverted parabola is obtained. This penetration probability depends on the environment coefficients. It is shown that the tunneling probability increases with the dissipation and the temperature of the thermal bath.
description: 16 pages, 6 figures
Floquet description of Optically Pumped Magnetometers
Creators: name: Florez, Hans Marin
name: Pyragius, Tadas
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We present theoretical description of Voigt and Faraday effect based optically pumped magnetometers using the Floquet expansion. Our analysis describes the spin-operator dynamics of the first, $\hat{F}(t)$, and second, $\hat{F}^2(t)$, order moments and takes into account of different pumping profiles and decoherence effects. We find that the theoretical results are in good agreement with the experimental demonstrations over a wide range of fields and pumping conditions. Finally, the theoretical analysis presented here is generalized and can be extended to different magnetometry schemes with arbitrary pumping profiles and multiple radio-frequency fields.
Efficient Quantification of Profile Matching Risk in Social Networks
Creators: name: Halimi, Anisa
name: Ayday, Erman
Publisher: name: arXiv
Year: 2020
Subjects: subject: Cryptography and Security (cs.CR)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: Anonymous data sharing has been becoming more challenging in today's interconnected digital world, especially for individuals that have both anonymous and identified online activities. The most prominent example of such data sharing platforms today are online social networks (OSNs). Many individuals have multiple profiles in different OSNs, including anonymous and identified ones (depending on the nature of the OSN). Here, the privacy threat is profile matching: if an attacker links anonymous profiles of individuals to their real identities, it can obtain privacy-sensitive information which may have serious consequences, such as discrimination or blackmailing. Therefore, it is very important to quantify and show to the OSN users the extent of this privacy risk. Existing attempts to model profile matching in OSNs are inadequate and computationally inefficient for real-time risk quantification. Thus, in this work, we develop algorithms to efficiently model and quantify profile matching attacks in OSNs as a step towards real-time privacy risk quantification. For this, we model the profile matching problem using a graph and develop a belief propagation (BP)-based algorithm to solve this problem in a significantly more efficient and accurate way compared to the state-of-the-art. We evaluate the proposed framework on three real-life datasets (including data from four different social networks) and show how users' profiles in different OSNs can be matched efficiently and with high probability. We show that the proposed model generation has linear complexity in terms of number of user pairs, which is significantly more efficient than the state-of-the-art (which has cubic complexity). Furthermore, it provides comparable accuracy, precision, and recall compared to state-of-the-art.
description: arXiv admin note: text overlap with arXiv:2008.09608
Σύνορα και περάσματα: Ταυτότητες υπό διαπραγμάτευση. Η περίπτωση του χωριού Ιτέα στον Νομό Έβρου:
Creators: name: Καβαζίδου, Τριανταφυλλιά Χρήστου
Publisher: name: Aristotle University of Thessaloniki
Year: 2012
Subjects: Ταυτότητες
Εθνοτισμός
Εβρος
Identities
Ethnic groups
Evros

description: Η παρούσα μεταπτυχιακή εργασία ασχολείται με την κατασκευή των ταυτοτήτων, βασίζεται σε μια εθνογραφική έρευνα και συνδυάζει συνεντεύξεις με την ανάλυση ιστορικών δεδομένων. Πιο συγκεκριμένα, η εργασία εξετάζει τους τρόπους με τους οποίους κατασκευάζονται συνεχώς οι ταυτότητες σε μια μικρή κοινότητα της Θράκης, κοντά στα ελληνοτουρκικά σύνορα, την Ιτέα. Η Ιτέα είναι ένα τυπικό χωριό, του οποίου οι κάτοικοι είναι ως επί το πλείστον συνταξιούχοι γεωργοί μεικτής καταγωγής: οι περισσότεροι είναι απόγονοι των προσφύγων του 20ου αιώνα από την Ανατολική Θράκη (χωριό Μπεγεντίκ, τώρα στην Τουρκία) και τον Πόντο (περιοχή Καυκάσου), κάποιοι είναι «ντόπιοι» από το διπλανό χωριό, το Τριφύλλι της Δυτικής Θράκης, και τέλος από το 1998 στο χωριό κατοικούν οκτώ οικογένειες «παλιννοστούντων» από την πρώην ΕΣΣΔ. Με κάθε ευκαιρία και σχεδόν σε κάθε πτυχή της καθημερινής τους και ιδιαίτερα της τελετουργικής τους ζωής οι κάτοικοι της Ιτέας αναπροσδιορίζουν την ταυτότητά τους. Όταν οι ταυτότητές τους τίθενται υπό διαπραγμάτευση, όλοι τους διεκδικούν την ταυτότητα του «ντόπιου», μια ταυτότητα που άμεσα εξαρτάται από το ποιος θα παίξει το ρόλο του «ξένου». Οι Ιτεώτες συνεχίζουν να κατασκευάζουν και να ανακατασκευάζουν τις πιο χαρακτηριστικές αφηγήσεις και τα στερεότυπα των φαντασιακών τους ταυτοτήτων καθώς ισχυρίζονται ότι με αυτόν τον τρόπο καταφέρνουν να κρατήσουν τη ζωή τους και τις σχέσεις τους σε τάξη και την ταυτότητά του χωριό τους ανέπαφη, αφού οι "ντόπιοι" παραμένουν πάντα στο κέντρο του χωριού αφήνοντας τους «ξένους» στα προάστια.
description: The thesis deals with identities under construction. Based on an ethnographic research combing interviews with the analysis of historical data it examines the ways in which identities are being constantly constructed in a small community of Thrace near the Greek-Turkish border, Itea, a typical village of mostly agricultural pensioners of mixed origin: the native descendants of the 2nd and 3rd decade of the 20th c. “refugees” from Eastern Thrace (the village Beğendik now in Turkey) and from Pontos (Caucasus’ area), the local “natives” from the nearby village Trifylli in Western Thrace, and, since 1998, the “re-patriots” , i.e new-comers, “Russian-Pontians” from the ex-USSR. The inhabitants of Itea re-enact their assumed identities in every opportunity and in almost every aspect of their everyday and mostly so during their ceremonial life. In negotiating their identities they strive for that of the “local native”, an identity that directly depends on who will assume that of the “foreigner”. The Iteotes keep on structuring and re-structuring the most typical narratives and stereotypes of their imagined identities. They claim that in doing so they manage to keep their lives and their relations in order and their village identity intact provided the “natives” remain always at the center leaving the “foreigners” at the outskirts.
Tone-consonant Co-occurrence Probability in Mandarin
Creators: name: Chang, Chiung-Yu
Publisher: name: OSF Registries
Year: 2021
Subjects: subject: East Asian Languages and Societies
subject: Linguistics
subject: FOS: Languages and literature
subject: Phonetics and Phonology
subject: Arts and Humanities
subject: Chinese Studies
subject: Psycholinguistics and Neurolinguistics
subject: Social and Behavioral Sciences
subject: wordlikeness

description: This study aims to investigate how statistical regularity concerning the distribution of lexical tones and consonantal onsets in Mandarin, formulated as the “tone-consonant cooccurrence probability (TCCP)” here, influences results of wordlikeness judgment task. Native speakers will be asked to rate the wordlikeness of monosyllabic real words and pseudowords with existing segmental combinations.
Weak radiative hyperon decays in quark model
Creators: name: Dubovik, E. N.
name: Zamiralov, V. S.
name: Lepshokov, S. N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Weak radiative hyperon decays are considered in the framework of a quark model. The phenomenological model includes 1-quark transitions with the effective $sdγ$-vertex and 2-quark ones with the W-exchange $s+u\to u+d+γ$ and turns out to describe well the data and gives predictions for asymmetry of the decays $Λ\to n+γ$ and $Ξ^-\to Σ^- +γ$.
description: 12 pages, 5 tables, 5 figures
Διερεύνηση της χρήσης της τηλεθέρμανσης σε γεωργικές εφαρμογές στο νομό Κοζάνης:
Creators: name: Παπαδόπουλος, Χαρίσιος Ευσταθίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2012
Subjects: Τηλεθέρμανση
Θερμοκήπια
Κοζάνη
District heating
Greenhouses
Kozani

description: H παρούσα διπλωματική διατριβή επικεντρώνεται στη διερεύνηση της χρήσης του θερμού νερού της τηλεθέρμανσης σε γεωργικές εφαρμογές στο νομό Κοζάνης. Αρχικά εξετάζουμε τις δυνατότητες που υπάρχουν για την τροφοδότηση με θερμό νερό από την εγκατάσταση της τηλεθέρμανσης. Εν συνεχεία, γίνεται μια γενική παρουσίαση των εγκαταστάσεων της τηλεθέρμανσης στο νομό. Στο τέλος ιδιαίτερη έμφαση δίνεται στη σημερινή και μελλοντική φόρτιση του συστήματος από τους αστικούς καταναλωτές και έτσι προσδιορίζεται η περίσσεια θερμικού φορτίου που θα μπορούσε να χρησιμοποιηθεί για γεωργικές εφαρμογές σε συνάρτηση με τις θερμικές ανάγκες αυτών ( όπως σε θερμοκήπια).
description: The present dissertation focuses on the investigation of the use of warm water of the district heating in the prefecture of Kozani, as far as the agricultural applications are concerned .First of all, we examine the existing possibilities of the supply of thermal water which derives from the district heating. Moreover, a general presentation of the district heating’s establishment is made. Finally, particular emphasis is given to the current and future loading of the system by the dwellers in order to determine the excess of the thermal load that could be used in the greenhouse in connection with its thermal needs.
From Requirements to Autonomous Flight: An Overview of the Monitoring ICAROUS Project
Creators: name: Dutle, Aaron
name: Muñoz, César
name: Conrad, Esther
name: Goodloe, Alwyn
name: Titolo, Laura
name: Perez, Ivan
name: Balachandran, Swee
name: Giannakopoulou, Dimitra
name: Mavridou, Anastasia
name: Pressburger, Thomas
Publisher: name: arXiv
Year: 2020
Subjects: subject: Software Engineering (cs.SE)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: The Independent Configurable Architecture for Reliable Operations of Unmanned Systems (ICAROUS) is a software architecture incorporating a set of algorithms to enable autonomous operations of unmanned aircraft applications. This paper provides an overview of Monitoring ICAROUS, a project whose objective is to provide a formal approach to generating runtime monitors for autonomous systems from requirements written in a structured natural language. This approach integrates FRET, a formal requirement elicitation and authoring tool, and Copilot, a runtime verification framework. FRET is used to specify formal requirements in structured natural language. These requirements are translated into temporal logic formulae. Copilot is then used to generate executable runtime monitors from these temporal logic specifications. The generated monitors are directly integrated into ICAROUS to perform runtime verification during flight.
description: In Proceedings FMAS 2020, arXiv:2012.01176
Algorithmic correspondence and completeness in modal logic. I. The core algorithm SQEMA
Creators: name: Conradie, Willem
name: Goranko, Valentin
name: Vakarelov, Dimiter
Publisher: name: arXiv
Year: 2006
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: F.4.1; I.2.4

description: Modal formulae express monadic second-order properties on Kripke frames, but in many important cases these have first-order equivalents. Computing such equivalents is important for both logical and computational reasons. On the other hand, canonicity of modal formulae is important, too, because it implies frame-completeness of logics axiomatized with canonical formulae. Computing a first-order equivalent of a modal formula amounts to elimination of second-order quantifiers. Two algorithms have been developed for second-order quantifier elimination: SCAN, based on constraint resolution, and DLS, based on a logical equivalence established by Ackermann. In this paper we introduce a new algorithm, SQEMA, for computing first-order equivalents (using a modal version of Ackermann's lemma) and, moreover, for proving canonicity of modal formulae. Unlike SCAN and DLS, it works directly on modal formulae, thus avoiding Skolemization and the subsequent problem of unskolemization. We present the core algorithm and illustrate it with some examples. We then prove its correctness and the canonicity of all formulae on which the algorithm succeeds. We show that it succeeds not only on all Sahlqvist formulae, but also on the larger class of inductive formulae, introduced in our earlier papers. Thus, we develop a purely algorithmic approach to proving canonical completeness in modal logic and, in particular, establish one of the most general completeness results in modal logic so far.
description: 26 pages, no figures, to appear in the Logical Methods in Computer Science
Access to mass rapid transit in OECD urban areas
Creators: name: Verbavatz, Vincent
name: Barthelemy, Marc
Publisher: name: arXiv
Year: 2020
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: As mitigating car traffic in cities has become paramount to abate climate change effects, fostering public transport in cities appears ever-more appealing. A key ingredient in that purpose is easy access to mass rapid transit (MRT) systems. So far, we have however few empirical estimates of the coverage of MRT in urban areas, computed as the share of people living in MRT catchment areas, say for instance within walking distance. In this work, we clarify a universal definition of such a metrics, the "People Near Transit (PNT)", and present measures of this quantity for 85 urban areas in OECD countries, the largest dataset of such a quantity so far. By suggesting a standardized protocol, we make our dataset sound and expandable to other countries and cities in the world, which grounds our work into solid basis for multiple reuses in transport, environmental or economic studies.
description: 17 pages, 2 figures, 4 tables
Temperature dependence of the spin susceptibility of a clean Fermi gas with repulsion
Creators: name: Schwiete, G.
name: Efetov, K. B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Spin susceptibility of a clean Fermi gas with repulsion in any dimension is considered using a supersymmetric low energy theory of interacting spin excitations and renormalization scheme recently proposed by Aleiner and Efetov [cond-mat/0602309]. We generalize this method to include the coupling to the magnetic field. As a result, we obtain for the correction $δχ$ to the Pauli susceptibility a non-analytic temperature dependence of the form $ T^{d-1}γ_{b}^{2}(T)$ in dimensions $d=2,3,$ where $γ_{b}(T)$ is an effective $d$-dependent logarithmically renormalized backscattering amplitude. In one dimension, $δχ$ is proportional to $γ_{b}(T)$, and we reproduce a well known result obtained long ago by a direct calculation.
description: 25 pages, 10 figures
A coherent-state-based path integral for quantum mechanics on the Moyal plane
Creators: name: Tan, H. S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Inspired by a recent work that proposes using coherent states to evaluate the Feynman kernel in noncommutative space, we provide an independent formulation of the path-integral approach for quantum mechanics on the Moyal plane, with the transition amplitude defined between two coherent states of mean position coordinates. In our approach, we invoke solely a representation of the of the noncommutative algebra in terms of commutative variables. The kernel expression for a general Hamiltonian was found to contain gaussian-like damping terms, and it is non-perturbative in the sense that it does not reduce to the commutative theory in the limit of vanishing $θ$ - the noncommutative parameter. As an example, we studied the free particle's propagator which turned out to be oscillating with period being the product of its mass and $θ$. Further, it satisfies the Pauli equation for a charged particle with its spin aligned to a constant, orthogonal $B$ field in the ordinary Landau problem, thus providing an interesting evidence of how noncommutativity can induce spin-like effects at the quantum mechanical level.
description: 15 pages
Study of the effects of human exposure to 5G millimeter-wave electromagnetic fields: development of an exposure system
Creators: name: Vatovez, Benjamin
name: Ledent, Maryse
name: Spirito, Marco
name: SCHETTINO, Fulvio
name: Bogdanova, Anna
Publisher: name: Zenodo
Year: 2024
Subjects: human
exposure system
mm waves

description: A double-blind exposure system is being developed for two research projects investigating the health effects of 5G exposure. The first project, part of the NextGEM initiative, examines potential impacts on human red blood cells in the millimeter-wave range, while the second, under the 5GINC project, focuses on electrohypersensitivity.

The exposure sessions will occur in a controlled environment designed to minimize external influences (temperature, humidity, and EMF levels). The exposure system is configured to generate a modulated OFDM 5G signal at 26,5 GHz. The modulated signal is realized using a software defined radio (SDR) unit or employing a vector signal generator at an intermediate frequency (IF). The IF signal is moved to the FR2 band, employing a custom designed up-converter and filtered for out of band unwanted signals. The upconverted signal will be amplified using a linear amplification stage. A controllable switch will be placed to allow selection between the two transmitting antennas located just a few centimeters from the left and the right forearms (local exposure). 

The poster informs on the design of the exposure system and simulations of the exposed area.
description: Type of study: Humans

Sources of RF-EMF: 5G-NR (FR2)

Frequencies and modulations: 26.5 GHz
A Review of Game-based Mobile E-Learning Applications
Creators: name: Godoy, Carlo H.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences
subject: C.3
subject: 00

description: This study aims to review and get information on the different mobile game applications and the possibility of being a supplementary tool for learning to enhance and empower the e-Learning aspect of a Technical Education and Skills Development Authority. It is reviewed to help in the development of the eLearning department of TESDA. The study aims to facilitate the reorganization of the E-learning program of TESDA by using a method called Game Based Learning. To accomplish this target, different applications will be reviewed to give an idea on how game-based learning is being used as a supplementary learning tool for different subject areas. This paper will focus on TESDA language Skills institute and Technical-Vocational program since there are a lot of reviews for main subject areas but only few in this field. The database to be used in the methodology is Google Scholar, inclusion and exclusion criteria used is that article should be within the span of five years and should be game based learning mobile applications. Will be selecting 4 applications as a representation since it is an informational review. No need to indicate the other applications as this is just a basis for future studies. Mobile games have such a powerful instructional potential, by which teaching can be revolutionized, which output is acquiring the praise and judgment of academic professionals and educators. After this review, future studies can be made to support this study like reviewing from other databases like Web of Science and Scopus to support the foundation made on this review. The review will open further studies to help TESDA administrator in using mobile games as a supplementary learning tool for their e-learning.
description: 10 pages
Parent Stars of Extrasolar Planets. IX. Lithium Abundances
Creators: name: Gonzalez, Guillermo
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We compare the Li abundances of a sample of stars with planets discovered with the Doppler method to a sample of stars without detected planets. We prepared the samples by combining the Li abundances reported in several recent studies in a consistent way. Our results confirm recent claims that the Li abundances of stars with planets are smaller than those of stars without planets near the solar temperature. We also find that the vsini and $R^{'}_{\rm HK}$ anomalies correlate with the Li abundance anomalies. These results suggest that planet formation processes have altered the rotation and Li abundances of stars that host Doppler detected planets. We encourage others to test these findings with additional observations of Li in stars with temperatures between 5600 and 6200 K.
description: 8 pages, 9 figures; accepted for publication in MNRAS
Cheilotrichia (Empeda) tanneri Alexander 1970
Creators: name: Armitage, Brian J.
name: Ríos González, Tomás A.
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Cheilotrichia
Cheilotrichia tanneri

description: Cheilotrichia (Empeda) tanneri Alexander, 1970
Original Genus: Cheilotrichia; Holotype: male; Type Locality: Panama, Chiriqui Province, El Volcán; Description: Alexander, 1970k; Wing Reference: Alexander, 1970k; Hypopygium Reference: Alexander, 1970k; Panamanian Provinces: Chiriquí; Regional Distribution: Panama.
description: Published as part of Armitage, Brian J. & Ríos González, Tomás A., 2019, The Diptera of Panama. I. Annotated catalog of the Tipulomorpha of Panama, pp. 1-30 in Insecta Mundi 712 on page 12, DOI: 10.5281/zenodo.3727017
A novel experimental bench dedicated to the accurate radiative analysis of photoreactors: the case study of CdS catalyzed hydrogen production from sacrificial donors
Creators: name: Dahi, Ghiles
name: Eskandari, Azin
name: Dauchet, Jérémi
name: Gros, Fabrice
name: Roudet, Mathieu
name: Cornet, Jean-François
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: This article is dedicated to the presentation of a novel experimental bench designed to study the photoproduction of H2. It is composed of three main parts: a light source, a fully equipped flat torus reactor and the related analytical system. The reactor hydrodynamic behaviour has been carefully examined and it can be considered as perfectly mixed. The photon flux density is accurately known thanks to reconciled quantum sensor and actinometry experiments. The incident photon direction is perpendicular to the reactor windows; in such a configuration the radiative transfer description may be properly approximated as a one dimensional problem in Cartesian geometry. Based on accurate pressure measurement in the gas tight photoreactor, the production rates of H2 (using CdS particles in association with sulphide and sulfite ions as hole scavengers) are easily and trustingly obtained. First estimations of apparent quantum yield have proven to be dependent on mean volumetric rate of radiant light energy absorbed hence demonstrating the need for the use of a radiative transfer approach to understand the observed phenomena and for the proper formulation of the thermo-kinetic coupling.
Near-Infrared and Optical Studies of the fast nova V4643 Sgr (Nova Sagittarii 2001)
Creators: name: Ashok, N. M.
name: Banerjee, D. P. K.
name: Varricatt, W. P.
name: Kamath, U. S.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: V4643 Sagittarii or Nova Sagittarii 2001 was discovered in outburst at 7.7 mag. on 2001 February 24. Here, we present near-infrared results of this fast classical nova obtained in the early decline phase in 2001 March followed by optical observations about one month later. Subsequently we also present near-infrared spectra taken later in the nova's evolution, about four months after the outburst, when V4643 Sgr had entered the coronal phase. The spectra in the early decline phase are dominated by emission lines of the HI Brackett series and also the Paschen beta and gamma lines. We study the cause of the excitation of the the OI line at 1.128 micron and discuss the variation in its strength with time after outburst. We discuss the role of optical depth effects on the observed strengths of the hydrogen Brackett and Paschen lines and discuss possible reasons for the puzzling behavior of the Br gamma line strength and whether it is correlated with the OI 1.128 micron line behavior. An optical spectrum is presented which shows that HeII lines are the most prominent features - after HI - to be seen in early 2001 April. We present and also discuss spectra taken in 2001 June and August which prominently show coronal lines of [Si VI] and [Si VII] at 1.9641 micron and 2.4807 micron respectively.
description: Accepted in MNRAS
Cheilotrichia (Empeda) sutrina
Creators: name: Armitage, Brian J.
name: Ríos González, Tomás A.
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Cheilotrichia
Cheilotrichia sutrina

description: Cheilotrichia (Empeda) sutrina (Alexander, 1941)
Original Genus: Erioptera; Holotype: male; Type Locality: Panama, Chiriqui Province, Potrerillos; Description: (Alexander, 1941q); Wing Reference: none; Hypopygium Reference: none; Panamanian Provinces: Chiriquí; Regional Distribution: Panama.
description: Published as part of Armitage, Brian J. & Ríos González, Tomás A., 2019, The Diptera of Panama. I. Annotated catalog of the Tipulomorpha of Panama, pp. 1-30 in Insecta Mundi 712 on page 12, DOI: 10.5281/zenodo.3727017
The BCS Energy Gap at Low Density
Creators: name: Lauritsen, Asbjørn Bækgaard
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We show that the energy gap for the BCS gap equation is $ Ξ= μ\left( 8 e^{-2} + o(1)\right) \exp\left( \fracπ{2\sqrtμ a}\right) $ in the low density limit $μ\to 0$. Together with the similar result for the critical temperature [arXiv:0803.3324] this shows that, in the low density limit, the ratio of the energy gap and critical temperature is a universal constant independent of the interaction potential $V$. The results hold for a class of potentials with negative scattering length $a$ and no bound states.
description: 12 pages
Cheilotrichia (Empeda) luteivena Alexander 1970
Creators: name: Armitage, Brian J.
name: Ríos González, Tomás A.
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Cheilotrichia
Cheilotrichia luteivena

description: Cheilotrichia (Empeda) luteivena Alexander, 1970
Original Genus: Cheilotrichia; Holotype: male; Type Locality: Panama, Chiriqui Province, El Volcán; Description: Alexander, 1970c; Wing Reference: none; Hypopygium Reference: none; Panamanian Provinces: Chiriquí; Regional Distribution: Panama.
description: Published as part of Armitage, Brian J. & Ríos González, Tomás A., 2019, The Diptera of Panama. I. Annotated catalog of the Tipulomorpha of Panama, pp. 1-30 in Insecta Mundi 712 on page 12, DOI: 10.5281/zenodo.3727017
Κατανόηση συναισθημάτων και συναισθηματική ενημερότητα κατά τη σχολική ηλικία: η συμβολή του γνωστικού επιπέδου και της αντιλαμβανόμενης γονεϊκής ζεστασιάς/ψυχρότητας
Creators: name: Δεδικούση, Αλεξάνδρα Αστέριου
Publisher: name: Aristotle University of Thessaloniki
Year: 2012
Subjects: συναισθηματική ενημερότητα
συναισθηματική κατανόηση
γονεϊκή ζεστασιά/ψυχρότητα
understanding of emotions
emotional awareness
parental warmth/coldness

description: Στόχος της παρούσας έρευνας ήταν η μελέτη της ανάπτυξης της κατανόησης συναισθημάτων και της συναισθηματικής ενημερότητας κατά τη σχολική ηλικία. Επιπλέον, η έρευνα αποσκοπούσε στη διερεύνηση της προγνωστικής ισχύος του γνωστικού επιπέδου των παιδιών και της αντιλαμβανόμενης από τα ίδια τα παιδιά γονεϊκής ζεστασιάς/ψυχρότητας στην ανάπτυξη της συναισθηματικής κατανόησης και ενημερότητας. Στο δείγμα συμμετείχαν 399 μαθητές/τριες ηλικίας 9 έως 12 ετών οι οποίοι εξετάστηκαν σε μια σειρά μετρήσεων που περιελάμβαναν σενάρια κατανόησης των συναισθημάτων της χαράς, της λύπης, της έκπληξης, της υπερηφάνειας και της ενσυναίσθησης, έργα μέτρησης της αναλογικής σκέψης και του παραγωγικού προτασιακού συλλογισμού ως δείκτες του γνωστικού επιπέδου των παιδιών και ερωτηματολόγια αυτο-αναφοράς για τη μέτρηση της συναισθηματικής ενημερότητας και της αντιλαμβανόμενης μητρικής και πατρικής ζεστασιάς/ψυχρότητας. Συναισθηματική ανάπτυξη, γνωστικό επίπεδο και αντιλαμβανόμενη γονεϊκή ζεστασιά/ψυχρότητα συσχετίστηκαν σε στατιστικώς σημαντικό βαθμό μεταξύ τους. Στατιστικώς σημαντικές διαφορές ως προς την ηλικία και το φύλο βρέθηκαν σε όλες τις υπό εξέταση μεταβλητές. Η εφαρμογή της ανάλυσης διαδρομών υπέδειξε ότι (α) η συναισθηματική ενημερότητα προβλέπεται θετικά από την αντιλαμβανόμενη μητρική ζεστασιά και αρνητικά από την αντιλαμβανόμενη πατρική ψυχρότητα, και (β) η κατανόηση συναισθημάτων προβλέπεται αρνητικά από την αντιλαμβανόμενη μητρική ψυχρότητα τόσο άμεσα όσο και μέσω της διαμεσολάβησης του γνωστικού επιπέδου των παιδιών.
description: The aim of the present study was to examine the relationships between children’s emotional development, cognitive level and perceived parental warmth/coldness following a developmental perspective. A total of 399 students between 9 to 12 years of age participated in the study. Children’s emotional development was investigated in regard to emotional understanding and emotional awareness. Students’ cognitive level was examined in regard to children’s mathematical thinking and deductive reasoning. Perceived maternal/paternal warmth/coldness was measured with a self-report questionnaire. Emotional development, cognitive level and perceived parental warmth/coldness were significantly correlated. Significant age and gender effects were found. Children’s cognitive level emerged as a predictive factor of children’s emotional understanding and emotional awareness. Perceived maternal warmth and coldness as well as paternal coldness predicted children’s emotional competence. Finally, path analysis indicated the mediation of children’s cognitive level to the relationship between perceived maternal coldness and emotion understanding.
Numerical Study on Flapping Dynamics of a Flexible Two-Layered Plate in a Uniform Flow
Creators: name: S., Aditya Karthik
name: K., Supradeepan
name: Gurugubelli, P. S.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: Over the past few decades, the prospect of energy generation from an oscillating piezoelectric patch has gained attention. A typical setup of this kind would be a piezoelectric patch mounted on a flexible plate that is exhibiting self-sustained flapping motion. Piezoelectric patches are generally multilayered consisting of piezoelectric, substrate and electrode layers placed on top of each other. In this paper, we first propose a quasi-monolithic formulation with exact interface tracking to simulate the fluid-multilayered structure interactions. We validate the proposed formulation, using an in-house solver, by considering a simple two-layered plate-like structure with identical material properties against a single-layered plate. We then use this formulation to study a two-layered flexible plate, wherein each layer of the plate has independent material properties. Systematic parametric simulations are conducted to understand the effect of difference in material properties between the two layers of a plate on the self-sustained flapping dynamics. The parametric simulations are performed at a Reynolds number Re=1000 by selecting different values of Young's modulus and density for each of the layers such that the average structure to fluid mass ratio (m)avg=0.1 and average non-dimensional bending stiffness (KB)avg=0.0005. Firstly, the effects of difference in elasticity between the two layers on the flapping amplitude, frequency, forces and vortex shedding patterns are investigated. Following this, the effect of such difference in elastic properties on the onset of flapping is investigated for a case with Re=1000, (m)avg=0.1 and (KB)avg=0.0008 and two distinct response regimes are observed: (a) fixed-point stable and (b) periodic LCO. Finally, we look into the effects due to the difference in the structural density between the two layers on the flapping dynamics of the plate.
The disordered-free-moment phase: a low-field disordered state in spin-gap antiferromagnets with site dilution
Creators: name: Yu, Rong
name: Roscilde, Tommaso
name: Haas, Stephan
Publisher: name: arXiv
Year: 2006
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Site dilution of spin-gapped antiferromagnets leads to localized free moments, which can order antiferromagnetically in two and higher dimensions. Here we show how a weak magnetic field drives this order-by-disorder state into a novel disordered-free-moment phase, characterized by the formation of local singlets between neighboring moments and by localized moments aligned antiparallel to the field. This disordered phase is characterized by the absence of a gap, as it is the case in a Bose glass. The associated field-driven quantum phase transition is consistent with the universality of a superfluid-to-Bose-glass transition. The robustness of the disordered-free-moment phase and its prominent features, in particular a series of pseudo-plateaus in the magnetization curve, makes it accessible and relevant to experiments.
description: 4 pages, 4 figures
SUSTAINABLE RAINWATER HARVESTING SYSTEM IN LAE CITY, A MODEL FOR PAPUA NEW GUINEA
Creators: name: Smith, Carl
name: Betasolo, Mirzi
Publisher: name: Zenodo
Year: 2024

description: Thesis accepted January 2016. Also available at the School of Civil Engineering, Postgraduate School, and Library of the Papua New Guinea University of Technology
description: The Sustainable Rainwater Harvesting System (SRHS) is a strategy to harvest rainwater and use the resource sustainably to support the need for water supply in the Papua New Guinea University of Technology Papua New Guinea (PNG).  Lae City is the Garden City of PNG attributed to its significant rainfall.  The vast resource of rainfall, at the moment is not fully harnessed, to support the need for water supply to the population today and the future. The methodology to SRHS covers four phases. Phase I covers the assessment of parameters about rainwater harvestings: such as regulations, catchment locations including its topography, and rainfall availability.  Phase II, deals with design of SRHS facility that is non-energy intensive. Phase III discusses how to maintain and managed a SRSH. Phase IV- is the prototype of the facility.  A prototype is a scaled visual presentation of the project study.  It will also serve as a basis for project proposal presentations. The study found that the project requires na attributed characteristic of a rainforest to harness rainwater supply as accounted for by the hydrologic cycle. The location chosen is adjacent to the Rainforest habitat on the Papua New Guinea University of Technology Campus. The facility will also support on providing groundwater surcharged. The study provides a framework that will support sustainable rainwater in the country based on SRSH model.  The project will serve as a model to a sustainable rainwater harvesting systems as a viable alternative in harnessing natural resource (water) of the country.
Cheilotrichia (Empeda) brevifida Alexander 1970
Creators: name: Armitage, Brian J.
name: Ríos González, Tomás A.
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Limoniidae
Cheilotrichia
Cheilotrichia brevifida

description: Cheilotrichia (Empeda) brevifida Alexander, 1970
Original Genus: Cheilotrichia; Holotype: male; Type Locality: Panama, Chiriqui Province, El Volcán; Description: Alexander, 1970c; Wing Reference: none; Hypopygium Reference: none; Panamanian Provinces: Chiriquí; Regional Distribution: Panama.
description: Published as part of Armitage, Brian J. & Ríos González, Tomás A., 2019, The Diptera of Panama. I. Annotated catalog of the Tipulomorpha of Panama, pp. 1-30 in Insecta Mundi 712 on page 12, DOI: 10.5281/zenodo.3727017
: Μέτρηση και επίλυση δικτύου GPS στην περιοχή Κοζάνης - Πτολεμαΐδας:
Creators: name: Λιάκος, Χρήστος Βασιλείου
Publisher: name: Aristotle University of Thessaloniki
Year: 2012
Subjects: Γεωδαισία
Δίκτυο
Μετασχηματισμός
GPS
Network
Transformation

description: Η συνεχής εξέλιξη των παγκόσμιων δορυφορικών συστημάτων GNSS, όσον αφορά τη χρήση τους σε γεωδαιτικές εφαρμογές υψηλής ακρίβειας για τον προσδιορισμό θέσεων στη γήινη επιφάνεια, οδήγησε την επιστήμη της Γεωδαισίας στην ανάπτυξη νέων μεθόδων επεξεργασίας και ανάλυσης δεδομένων από παρατηρήσεις. Η διπλωματική εργασία θα επιχειρήσει να διερευνήσει, μέσω επεξεργασίας και ανάλυσης σύγχρονων μετρήσεων πεδίου GPS στην περιοχή Κοζάνης - Πτολεμαΐδας, τις επιδράσεις που έχει το φαινόμενο της μεταβολής του κέντρου φάσης των κεραιών στην ακρίβεια των γεωδαιτικών μετρήσεων του δικτύου της μελέτης. Στη συνέχεια, γίνεται εφαρμογή της διαδικασίας μετασχηματισμού του λογισμικού LGO από το σύστημα του HEPOS (HTRS07) στο Ελληνικό Γεωδαιτικό Σύστημα Αναφοράς (ΕΓΣΑ87) και στο προβολικό σύστημα HATT. Επιπλέον, ακολουθεί ο μετασχηματισμός των συντεταγμένων από το HEPOS στο ΕΓΣΑ87, χρησιμοποιώντας το λογισμικό «HEPOS Transformation Tool», του λογισμικού μετασχηματισμού συντεταγμένων μεταξύ των συστημάτων αναφοράς HTRS07 και ΕΓΣΑ87 της Κτηματολόγιο Α.Ε., καθώς επίσης και η εξαγωγή συμπερασμάτων από την ανάλυση των παρατηρήσεων που πραγματοποιήθηκαν.
description: The continuous development of the Global Navigation Satellite Systems GNSS, with regard to their use in high accuracy geodetic applications for positioning on the surface of earth, led the science of Geodesy to develop new methodologies of processing and analyzing data from observations. The diploma thesis attempts to investigate, through data processing and analysis of modern GPS field measurements in the area of Kozani - Ptolemais, the influence of antenna phase center variations on the accuracy of geodetic GPS measurements, at the network of the study. Then, it takes place the application of the transformation process using LGO software from HEPOS (HTRS07) to Greek Geodetic Reference System (GGRS87) and to projection system HATT. Furthermore, follows the transformation of coordinates from HEPOS to GGRS87, using the software «HEPOS Transformation Tool», which is the coordinate transformation software between reference systems HTRS07 - GGRS87 of Ktimatologio S.A., as well as the conclusions from the analysis of the observations made.
Lacunar fractal photon sieves
Creators: name: Gimenez, Fernando
name: Furlan, Walter D.
name: Monsoriu, Juan A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We present a new family of diffractive lenses whose structure is based on the combination of two concepts: photon sieve and fractal zone plates with variable lacunarity. The focusing properties of different members of this family are examined. It is shown that the sieves provide a smoothing effect on the higher order foci of a conventional lacunar fractal zone plate. However, the characteristic self-similar axial response of the fractal zone plates is always preserved.
description: 7 pages, 5 figures
Neutralino Clumps and Cosmic Rays
Creators: name: Salati, Pierre
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The halo of the Miky Way might contain numerous and dense substructures inside which the putative weakly interacting massive particles (suggested as the main constituent of the astronomical dark matter) would produce a stronger annihilation signal than in the smooth regions. The closer the nearest clump, the larger the positron and antiproton cosmic ray fluxes at the Earth. But the actual distribution of these substructures is not known. The predictions on the antimatter yields at the Earth are therefore affected by a kind of cosmic variance whose analysis is the subject of this contribution. The statistical tools to achieve that goal are presented and Monte Carlo simulations are compared to analytic results.
description: 8 pages, proceedings of the 6th International Workshop on the Identification of Dark Matter, Rhodes Island, Greece, September 11-16, 2006
Improving Crime Count Forecasts Using Twitter and Taxi Data
Creators: name: Vomfell, Lara
name: Härdle, Wolfgang Karl
name: Lessmann, Stefan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Crime prediction is crucial to criminal justice decision makers and efforts to prevent crime. The paper evaluates the explanatory and predictive value of human activity patterns derived from taxi trip, Twitter and Foursquare data. Analysis of a six-month period of crime data for New York City shows that these data sources improve predictive accuracy for property crime by 19% compared to using only demographic data. This effect is strongest when the novel features are used together, yielding new insights into crime prediction. Notably and in line with social disorganization theory, the novel features cannot improve predictions for violent crimes.
Scaling law for the transient behavior of type-II neuron models
Creators: name: Roa, Miguel Angel Durán
name: Copelli, Mauro
name: Kinouchi, Osame
name: Caticha, Nestor
Publisher: name: arXiv
Year: 2006
Subjects: subject: Neurons and Cognition (q-bio.NC)
subject: FOS: Biological sciences

description: We study the transient regime of type-II biophysical neuron models and determine the scaling behavior of relaxation times $τ$ near but below the repetitive firing critical current, $τ\simeq C (I_c-I)^{-Δ}$. For both the Hodgkin-Huxley and Morris-Lecar models we find that the critical exponent is independent of the numerical integration time step and that both systems belong to the same universality class, with $Δ= 1/2$. For appropriately chosen parameters, the FitzHugh-Nagumo model presents the same generic transient behavior, but the critical region is significantly smaller. We propose an experiment that may reveal nontrivial critical exponents in the squid axon.
description: 6 pages, 9 figures, accepted for publication in Phys. Rev. E
The structure of the trace anomaly of higher spin conformal currents in the bulk of $AdS_{4}$
Creators: name: Manvelyan, Ruben
name: Ruehl, Werner
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The two-point function of the conserved traceless spin-$\ell$ currents which are constructed from the scalar field $σ(z)$ is evaluated and renormalized by a dimensional regularization procedure. The anomaly is managed to arise only in the trace part. To isolate this trace anomaly it is sufficient to analyze only the maximum singular part of the two-point function and its trace terms to leading order. The corresponding part of the effective action which is quadratic in the trace of the higher spin field is explicitly given. For the spin-2 field which is identical with the gravitational field the results known from the literature are reproduced.
description: latex, 21 pages,v.2 minor addition, ref. added, v.3 accepted in Nucl.Phys. B