cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Paesaggio e infrastrutture nei territori a bassa densità
Creators: name: Las Casas, Giuseppe
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: Il tema di questa raccolta riguarda la valutazione del progetto di infrastrutture stradali ed il loro rapporto con la complessità del territorio. Esso implica due livelli di difficoltà: il primo riguarda scelte di trasformazione del paesaggio in territori a bassa densità ed elevate valenze ambientali e paesistiche, la cui ruolo nel reticolo del sistema insediativo italiano non è oggi definito in maniera chiara e, il secondo riguarda la assunzione di decisioni in un contesto che si proietta in quello che gli economisti chiamano del lungo periodo, un contesto temporale che si scontra con quella che oggi chiamiamo “dittatura del breve termine”.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
title: Ibiza, Spanien: Zum antiken Bleiglanzabbau am Puig de s’Argentera
Creators: name: Hermanns, Marcus H.
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: This year’s work at the northern foot of Puig de s’Argentera aimed examining the relics of mining activities (like traces of mining driven by fire), analysing their context and gaining first hints concerning their date. Therefore, two campaigns took place, the first for four weeks in April and the second for two weeks in August 2014. After clearing the surface, two archaeological test trenches were dug. This project is part of DAI Cluster II.
title: Ibiza, Spanien: Der römische Schiffsfund von Grum de Sal
Creators: name: Hermanns, Marcus H.
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: The campaign of 2014 was focussed on reconstructing the context of findings which were sparsely published in reports on prospections and excavations in 1982, 1990 and 1991. Partly, the archaeological material is kept in private collections, but most of it can be found in the Museu Arqueològic d’Eivissa i Formentera on Ibiza. Another set of relevant findings could be identified in ARQUA. Museo Nacional de Arqueología Subacuática in Cartagena.
Stratification of sunspot umbral dots from inversion of Stokes profiles recorded by Hinode
Creators: name: Riethmueller, T. L.
name: Solanki, S. K.
name: Lagg, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This work aims to constrain the physical nature of umbral dots (UDs) using high-resolution spectropolarimetry. Full Stokes spectra recorded by the spectropolarimeter on Hinode of 51 UDs in a sunspot close to the disk center are analyzed. The height dependence of the temperature, magnetic field vector, and line-of-sight velocity across each UD is obtained from an inversion of the Stokes vectors of the two FeI lines at 630 nm. No difference is found at higher altitudes (-3 <= log(tau) <= -2) between the UDs and the diffuse umbral background. Below that level the difference rapidly increases, so that at the continuum formation level (log(tau) = 0) we find on average a temperature enhancement of 570 K, a magnetic field weakening of 510 G, and upflows of 800 m/s for peripheral UDs, whereas central UDs display an excess temperature of on average 550 K, a field weakening of 480 G, and no significant upflows. The results for, in particular, the peripheral UDs, including cuts of magnetic vector and velocity through them, look remarkably similar to the output of recent radiation MHD simulations. They strongly suggest that UDs are produced by convective upwellings.
Da città @ città
Creators: name: Leone, Nicola Giuliano
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: I temi che si sono accumulati in questi anni riguardano quasi tutti le problematiche inerenti l’uso del territorio e delle sue risorse. Le chiavi interpretative introdotte rincorrono prevalentemente il modo in cui i sistemi insediativi tendono a rapportarsi tra loro formando polarità e reti utili ad accelerare scambi e a sorreggere più aggiornate possibilità di produrre economia. In altro modo vengono poi visti i luoghi che per essere ambiente, paesaggio, storia, dovrebbero essere salvaguardati e in qualche modo costituiscono un peso con cui «purtroppo» reti ed economie devono confrontarsi. Questa visione, fortemente sostenuta da interpretazioni e teoremi, ha condizionato una preoccupante separatezza tra territorio ed economie. Questo è il tema di una riflessione che verrà sviluppata, per semplicità di trattazione e per ridotta disponibilità di spazio, ancora in brevi linee, con riferimenti partigiani alla pianificazione urbanistica e territoriale di chi ha la consapevolezza che il territorio esiste e non è molto fluido.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
A new approach to the study of quasi-normal modes of rotating stars
Creators: name: Ferrari, V.
name: Gualtieri, L.
name: Marassi, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We propose a new method to study the quasi-normal modes of rotating relativistic stars. Oscillations are treated as perturbations in the frequency domain of the stationary, axisymmetric background describing a rotating star. The perturbed quantities are expanded in circular harmonics, and the resulting 2D-equations they satisfy are integrated using spectral methods in the (r,theta)-plane. The asymptotic conditions at infinity, needed to find the mode frequencies, are implemented by generalizing the standing wave boundary condition commonly used in the non rotating case. As a test, the method is applied to find the quasi-normal mode frequencies of a slowly rotating star.
description: 24 pages, 7 figures, submitted to Phys. Rev. D
Η ευθύνη των παρόχων υπηρεσιών διαδικτύου στην Ενιαία Ψηφιακή Αγορά
Creators: name: Πετρόπουλος, Ιωάννης Αγγελή
Publisher: name: Aristotle University of Thessaloniki
Year: 2025
Subjects: Πάροχοι υπηρεσιών διαδικτύου
Δικαιώματα Πνευματικής Ιδιοκτησίας
Οδηγία 2019/790/ΕΕ
Internet Service Providers
Intellectual Property Rights
Directive 2019/790/EU

description: Η παρούσα διπλωματική εργασία εξετάζει την ευθύνη των παρόχων υπηρεσιών διαδικτύου (ISP) στην Ενιαία Ψηφιακή Αγορά της Ευρωπαϊκής Ένωσης. Στόχος είναι η ανάλυση του νομικού πλαισίου που διέπει την ευθύνη των ISP για παραβιάσεις δικαιωμάτων πνευματικής ιδιοκτησίας, όπως αυτό εξελίχθηκε μέσω της Οδηγίας 2000/31/ΕΚ για το ηλεκτρονικό εμπόριο και της νεότερης Οδηγίας 2019/790/ΕΕ. Εξετάζονται επίσης σημαντικές αποφάσεις του Δικαστηρίου της Ευρωπαϊκής Ένωσης που διαμόρφωσαν το νομικό πεδίο. Στο πλαίσιο αυτό, αναλύεται ο ρόλος των ISP, τα δικαιώματα και οι υποχρεώσεις τους, καθώς και οι προκλήσεις που αναδύονται από τις σύγχρονες τεχνολογικές εξελίξεις. Ιδιαίτερη έμφαση δίνεται στην ενσωμάτωση της Οδηγίας 2019/790/ΕΕ στην ελληνική νομοθεσία, καθώς και στις πρακτικές Notice, Take Down & Stay Down. Η μελέτη καταλήγει στη σημασία ενός ισορροπημένου νομικού πλαισίου που προασπίζει τα δικαιώματα πνευματικής ιδιοκτησίας, ενώ παράλληλα προάγει την καινοτομία και την ελευθερία έκφρασης στο ψηφιακό περιβάλλον.
description: This thesis examines the liability of Internet Service Providers (ISPs) within the Digital Single Market of the European Union. The study aims to analyze the legal framework governing ISP liability for copyright infringements, as shaped by Directive 2000/31/EC on electronic commerce and the more recent Directive 2019/790/EU. Key rulings of the Court of Justice of the European Union that have influenced this legal field are also discussed. The analysis focuses on the role of ISPs, their rights and obligations, as well as challenges arising from modern technological advancements. Particular emphasis is placed on the transposition of Directive 2019/790/EU into Greek legislation and on practices such as Notice, Take Down & Stay Down. The study concludes with the importance of a balanced legal framework that protects intellectual property rights while fostering innovation and freedom of expression in the digital environment.
title: Añora, Spanien: Der Fundplatz ‚La Losilla‘ bei Añora (Córdoba) – eine spätantike Kirche im ländlichen Bereich der Baetica
Creators: name: Schlimbach, Fedor
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: The project addresses the remains of a late antique church at ‚La Losilla‘ near the town of Añora (Córdoba) in Andalusia. Besides these remains, the study of the adjacent cemetery is part of the project. One main goal is the archaeological examination of the context, in which the church was built and used – an aspect rather neglected during the work of the previous decades.
Resistance of 2D superconducting films
Creators: name: König, E. J.
name: Protopopov, I. V.
name: Levchenko, A.
name: Gornyi, I. V.
name: Mirlin, A. D.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We consider the problem of finite resistance $R$ in superconducting films with geometry of a strip of width $W$ near zero temperature. The resistance is generated by vortex configurations of the phase field. In the first type of process, quantum phase slip, the vortex worldline in 2+1 dimensional space-time is space-like (i.e., the superconducting phase winds in time and space). In the second type, vortex tunneling, the worldline is time-like (i.e., the phase winds in the two spatial directions) and connects opposite edges of the film. For moderately disordered samples, processes of second type favor a train of vortices, each of which tunnels only across a fraction of the sample. Optimization with respect to the number of vortices yields a tunneling distance of the order of the coherence length $ξ$, and the train of vortices becomes equivalent to a quantum phase slip. Based on this theory, we find the resistance $\ln R \sim -g W/ξ$, where $g$ is the dimensionless normal-state conductance. Incorporation of quantum fluctuations indicates a quantum phase transition to an insulating state for $g \lesssim 1$.
description: 5 pages + supplement
title: Vráble, Slowakei: Herausbildung und Niedergang des frühbronzezeitlichen Siedlungszentrums – Untersuchungen zu Wirtschaft, Sozialstruktur und politischer Organisation eines Sozialverbandes und seines Umfeldes
Creators: name: Müller-Scheeßel, Nils
name: Reiter, Samantha
name: Radloff, Kai
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: The history of the development and decline of any settlement, be it prehistoric or modern cannot be understood in isolation. Research at the Early Bronze Age site of Fidvár by Vráble (southwest Slovakia) and its connections within the greater scope of its surrounding natural and human environment in the Žitava River Valley has been strongly geared towards this idea. Recent survey work at the settlement site at Fidvár confirmed comparative surface survey results from 2008, but also extended our knowledge of the site to the northeast. Further surveying of potential sites south of Fidvár in the Žitava River Valley were supported by a rigorous programme of augering as well as geomagnetic and topographical surveys. Of the newly examined sites, the most spectacular discovery was that of the contemporaneous settlement site of Hul. There, a ring-ditch with an extent of 98 × 80 m was discovered. Its extent (covering 0,3 ha) dovetails perfectly with our current models for the size and operation of social units during the Early Bronze Age in this part of Europe. Probably housing a social group ranging between 60–80 people, Hul likely mirrors the settlement at Fidvár before its expansion.
Parameter space study of magnetohydrodynamic flows around magnetized compact objects
Creators: name: Das, Santabrata
name: Chakrabarti, Sandip K.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We solve the magnetohydrodynamic (MHD) equations governing axisymmetric flows around neutron stars and black holes and found all possible solution topologies for adiabatic accretion. We divide the parameter space spanned by the conserved energy and angular momentum of the flow in terms of the flow topologies. We also study the possibility of the formation of the MHD shock waves.
description: 3 pages; 4 figures; prepared on the basis of the talk presented in the MG11 Meeting on General Relativity, Berlin, July 23-29, 2006
Infrastrutture e pianificazione paesaggistica nel rinnovato Codice dei Beni culturali e del Paesaggio
Creators: name: Santangelo, Saverio
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: Le infrastrutture agiscono sul paesaggio con effetti sia diretti, e spazialmente limitati, che indiretti, e non precisamente limitati nello spazio e nel tempo. Gli effetti indiretti, in particolare, riguardano anche le infrastrutture che non vediamo, perché nel sottosuolo, o di cui vediamo solo gli elementi puntuali e materiali di reti prevalentemente immateriali. In quest’ultimo caso si tratta dei sistemi di flusso delle informazioni, che oggi e ancor più in prospettiva, insieme ai sistemi per la produzione locale di energia (segnatamente fotovoltaico ed eolico), rafforzano le tendenze all’indifferenza dei fattori localizzativi di attività e residenze. Tutto questo da un lato consente riduzioni dei suoli impegnati e, per alcuni versi, la stessa salvaguardia del paesaggio (possono ridursi le reti fisiche per il trasporto di energia elettrica e gas, ed esempio), ma dall’altro favorisce nuove domande di suolo a fini urbanizzativi e di infrastrutture, non soltanto stradali, per servire ed accedere alle nuove aree interessate dalla domanda, e quindi comporta altri impatti sul paesaggio.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
Qualitative analysis of partially-observable Markov decision processes
Creators: name: Chatterjee, Krishnendu
name: Doyen, Laurent
name: Henzinger, Thomas
Publisher: name: IST Austria
Year: 2009
Subjects: 000 Computer science, knowledge & general works

description: We study observation-based strategies for partially-observable Markov decision processes (POMDPs) with omega-regular objectives. An observation-based strategy relies on partial information about the history of a play, namely, on the past sequence of observa- tions. We consider the qualitative analysis problem: given a POMDP with an omega-regular objective, whether there is an observation-based strategy to achieve the objective with probability 1 (almost-sure winning), or with positive probability (positive winning). Our main results are twofold. First, we present a complete picture of the computational complexity of the qualitative analysis of POMDPs with parity objectives (a canonical form to express omega-regular objectives) and its subclasses. Our contribution consists in establishing several upper and lower bounds that were not known in literature. Second, we present optimal bounds (matching upper and lower bounds) on the memory required by pure and randomized observation-based strategies for the qualitative analysis of POMDPs with parity objectives and its subclasses.
title: Tayma, Saudi-Arabien: Reflectance Transformation Imaging: Innovative Dokumentationstechnologie in der Archäologie
Creators: name: Hausleiter, Arnulf
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: A series of archaeological artefacts from the excavations at Tayma have been recorded by Reflectance Transformation Imaging (RTI), “an innovative computational photographic method capturing shape and colour of the surface of the archaeological artefacts” (www.culturalheritageimaging. org). Enabling the interactive re-lighting of the object from any direction, it is an extremely useful tool for archaeologists and epigraphers. In addition to a total of 158 objects, among them the majority of the inscriptions, human bones and pottery have been recorded in collaboration with DAI’s ITDepartment.
Effective stress law for the permeability of a limestone
Creators: name: Ghabezloo, Siavash
name: Sulem, Jean
name: Guédon, Sylvine
name: Martineau, François
Publisher: name: arXiv
Year: 2008
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: The effective stress law for the permeability of a limestone is studied experimentally by performing constant head permeability tests in a triaxial cell with different conditions of confining pressure and pore pressure. Test results have shown that a pore pressure increase and a confining pressure decrease both result in an increase of the permeability, and that the effect of the pore pressure change on the variation of the permeability is more important than the effect of a change of the confining pressure. A power law is proposed for the variation of the permeability with the effective stress. The permeability effective stress coefficient increases linearly with the differential pressure and is greater than one as soon the differential pressure exceeds few bars. The test results are well reproduced using the proposed permeability-effective stress law. A conceptual pore-shell model based on a detailed observation of the microstructure of the studied limestone is proposed. This model is able to explain the experimental observations on the effect of the total stress and of the pore pressure on the permeability of the limestone. Effective stress coefficients for the stress-dependent permeability which are greater than one are obtained. It is shown that the controlling factor is the ratio of the different bulk moduli of the various constituents of the rock. This ratio is studied experimentally by performing microhardness tests.
description: International Journal of Rock Mechanics and Mining Sciences (2008) In press
title: Tayma, Saudi-Arabien: Rettungsgrabungen im Gräberfeld von al-Nasim
Creators: name: Hausleiter, Arnulf
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: Saudi-German salvage excavations in the cemetery of al-Nasim, located south of the walled area of the oasis of Tayma, revealed further evidence of early 2nd millennium BC occupation at the site. In addition to characteristic circular graves with pottery findings (Red Burnished Ware/RBW), bronze weapons, such as fenestrated axes and a spear head, indicate close connections between North West Arabia and Syria/the Levant, thus confirming the regional significance of Tayma already during the Middle Bronze Age.
title: Tayma, Saudi-Arabien: Bauwerkserhaltung
Creators: name: Hausleiter, Arnulf
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: In the frame of the multidisciplinary project at Tayma, significant architectural remains have been systematically treated by conservators based on the concept for conservation and restoration developed by the expedition. A large representative building which was in use from the Nabataean period to Late Antiquity as well as a residential building, both in the centre of the site, are currently under conservation. For the consolidation of walls, a modified mud mortar based exclusively on locally available materials has been used.
Evolution Through the Post-Starburst Phase: Using Post-Starburst Galaxies as Laboratories for Understanding the Processes that Drive Galaxy Evolution
Creators: name: French, K. Decker
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Post-starburst (or "E+A") galaxies trace the fastest and most dramatic processes in galaxy evolution. Recent work studying the evolution of galaxies through this phase have revealed insights on how galaxies undergo structural and stellar population changes as well as the role of various feedback mechanisms. In this review, I summarize recent work on identifying post-starburst galaxies; tracing the role of this phase through cosmic time; measuring stellar populations, on-going star formation, morphologies, kinematics, interstellar medium properties, and AGN activity; mechanisms to cause the recent starburst and its end; and the future evolution to quiescence (or not). The review concludes with a list of open questions and exciting possibilities for future facilities.
description: 23 pages, 4 figures, Invited review for PASP, Accepted for publication in PASP
title: Tayma, Saudi-Arabien: Multidisziplinäre Forschungen in der Oase
Creators: name: Hausleiter, Arnulf
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: Multidisciplinary research at the oasis of Tayma, Northwest Arabia, aimed at further investigating the ancient settlement in its environmental context. A special focus has been set on the palaeohydrology of the oasis as well as on the exploration of its geoarchives in the light of climatic changes. As to the settlement remains, in addition to well known vestiges from the Early Iron Age to the Early Byzantine period, remarkable progress was made in exploring earlier periods of occupation. Tayma, as one of the major oases in the region, appears to have been much more important than previously thought, implying a cultural and political autonomy which can be held responsible for far reaching contacts far before the 1st millennium BC.
title: Alandroal und Guarda, Portugal: Die Romanisierung einheimischer Heiligtümer im Westen der Iberischen Halbinsel
Creators: name: Schattner, Thomas G.
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: Durch Inschriften namentlich des hispanischen Westens sind die Namen von etwa 300 einheimischen Gottheiten bekannt. Ihre Erforschung wird seit etwa einem Jahrhundert nahezu ausschließlich von Althistorikern und Epigraphikern vorangetrieben. Das Thema ist eines der spannendsten Kapitel des Romanisierungsprozesses, der die Halbinsel, wie andere römische Provinzen auch, in tiefgreifender Weise verändert hat. Ziel des neuen Projektes, das seit 2002 an der Abteilung Madrid verfolgt wird, ist es, dem gesammelten Wissen archäologische Befunde aus den Heiligtümern gegenüberzustellen, um sodann im interdisziplinären Dialog das Verständnis abzurunden, zu vertiefen, zu erweitern und gelegentlich auch infrage zu stellen.
Le infrastrutture nella pianifi cazione paesaggistica e il paesaggio nella pianifi cazione, progettazione, costruzione e gestione delle infrastrutture
Creators: name: Karrer, Francesco
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: Il problema della relazione paesaggio /infrastrutture oscilla sempre tra due estremi molto dilatati:quello che io definisco dell’onnipotenza e quello della visione «paysagère», per dirla con un’espressione che bene la esprime. Spessissimo quest’ultima da noi proposta però in modo riduttivistico. Quando si verifica questa circostanza è molto probabile che la questione oggetto di tanta attenzione perda di significato. Tanti, troppi, infatti sono quelli che gli si vogliono attribuire. La tanta attenzione più che ad un arricchimento rischia di portare ad una perdita di senso. E’ un tipico difetto italiano in genere, della cultura architettonica ed urbanistica in particolare.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
Shape and local growth for multidimensional branching random walks in random environment
Creators: name: Comets, Francis
name: Popov, Serguei
Publisher: name: arXiv
Year: 2007
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 60K37, 60J80

description: We study branching random walks in random environment on the $d$-dimensional square lattice, $d \geq 1$. In this model, the environment has finite range dependence, and the population size cannot decrease. We prove limit theorems (laws of large numbers) for the set of lattice sites which are visited up to a large time as well as for the local size of the population. The limiting shape of this set is compact and convex, though the local size is given by a concave growth exponent. Also, we obtain the law of large numbers for the logarithm of the total number of particles in the process.
description: 38 pages, 2 figures; to appear in ALEA
title: Qasr Mushash-Survey, Jordanien: Die Arbeiten der Jahre 2014
Creators: name: Bartl, Karin
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: The early Islamic site of Qasr Mushash east of Amman is characterized by a variety of different types of architectural units such as representative, domestic and hydraulic structures, distributed over two widely separated areas of settlement. The investigations are focused on the preparation of the topographical plan of the site and the complete documentation of the individual structures. The data generated so far form the basis for the definition of the function of the site which might have been used as a caravan halt as well as a temporary residence for elites.
A re-examination of the August 22, 1949 Queen Charlotte earthquake
Creators: name: Bostwick, Todd Kendall
Publisher: name: University of British Columbia
Year: 2010

description: Using previously unavailable horizontal seismograms recorded at Sitka, Alaska, thirty-eight new aftershock locations were determined for the August 22, 1949 Queen Charlotte earthquake (Ms=8.1). The aftershock zone was found to extend from 300 km to the north of the epicenter to 190 km south of the epicenter, yielding a total aftershock zone of 490 km. This aftershock zone implies that a previously suggested seismic gap to the north of the Ms=8.1 earthquake (Rogers, 1983) does not exist. The aftershock distribution suggests a time variation of the rupture sequence, with the aftershocks clustering first to the north, and then to the south of the epicenter. The directivity function and differential phases were analyzed at three stations. The results imply a unilateral rupture propagating to the .northwest for 265 km at a rupture velocity between 3.1 km/s and 3.5 km/s. The difference between the radiation length and the aftershock zone implies that the radiation fault length does not represent the full rupture fault length. The non-equivalence of the radiation fault length and the rupture fault length suggests that the displacement offset along the fault was uneven, with the largest displacement occurring in the zone indicated by the radiation fault length. An attempt was made to derive the mechanism solutions for the two largest aftershocks using their azimuthal surface wave radiation patterns. It was concluded that the use of this technique to obtain focal mechanism solutions is ineffective for this area and time in history when station coverage was sparse and the quality of instrument calibrations poor.
Structure of benzothiadiazine at zwitterionic phospholipid cell membranes
Creators: name: Hu, Zheyao
name: Marti, Jordi
name: Lu, Huixia
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: The use of drugs derived from benzothiadiazine, which is a bicyclic heterocyclic benzene derivative, has become a widespread treatment for diseases such as hypertension (treated with diuretics such as bendroflumethiazide or chlorothiazide), low blood sugar (treated with non-diuretic diazoxide) or the human immunodeficiency virus, among others. In this work we have investigated the interactions of benzothiadiazine with the basic components of cell membranes and solvents such as phospholipids, cholesterol, ions and water. The analysis of the mutual microscopic interactions is of central importance to elucidate the local structure of benzothiadiazine as well as the mechanisms responsible for the access of benzothiadiazine to the interior of the cell. We have performed molecular dynamics simulations of benzothiadiazine embedded in three different model zwitterionic bilayer membranes made by dimyristoilphosphatidylcholine, dioleoylphosphatidylcholine, 1,2- dioleoyl-sn-glycero-3-phosphoserine and cholesterol inside aqueous sodium-chloride solution in order to systematically examine microscopic interactions of benzothiadiazine with the cell membrane at liquid-crystalline phase conditions. From data obtained through radial distribution functions, hydrogen-bonding lengths and potentials of mean force based on reversible work calculations, we have observed that benzothiadiazine has a strong affinity to stay at the cell membrane interface although it can be fully solvated by water in short periods of time. Furthermore, benzothiadiazine is able to bind lipids and cholesterol chains by means of single and double hydrogen-bonds of different characteristic lengths.
description: 10 pages, 8 figures, 3 tables
Equilibrium ion distribution in the presence of clearing electrodes and its influence on electron dynamics
Creators: name: Hoffstaetter, Georg H.
name: Spethmann, Christian
Publisher: name: arXiv
Year: 2007
Subjects: subject: Accelerator Physics (physics.acc-ph)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Here we compute the ion distribution produced by an electron beam when ion-clearing electrodes are installed. This ion density is established as an equilibrium between gas ionization and ion clearing. The transverse ion distributions are shown to strongly peak in the beam's center, producing very nonlinear forces on the electron beam. We will analyze perturbations to the beam properties by these nonlinear fields. To obtain reasonable simulation speeds, we develop fast algorithms that take advantage of adiabatic invariants and scaling properties of Maxwell's equations and the Lorentz force. Our results are very relevant for high current Energy Recovery Linacs, where ions are produced relatively quickly, and where clearing gaps in the electron beam cannot easily be used for ion elimination. The examples in this paper therefore use parameters of the Cornell Energy Recovery Linac project. For simplicity we only consider the case of a circular electron beam of changing diameter. However, we parameterize this model to approximate non-round beams well. We find suitable places for clearing electrodes and compute the equilibrium ion density and its effect on electron-emittance growth and halo development. We find that it is not sufficient to place clearing electrodes only at the minimum of the electron beam potential where ions are accumulated.
Impacts of the Cryosphere and Atmosphere on Observed Microseisms Generated in the Southern Ocean
Creators: name: Turner, Ross J.
name: Gal, Martin
name: Hemer, Mark A.
name: Reading, Anya M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: The Southern Ocean (in the region 60-180$^\circ$E) south of the Indian Ocean, Australia, and the West Pacific is noted for the frequent occurrence and severity of its storms. These storms give rise to high-amplitude secondary microseisms from sources, including the deep ocean regions, and primary microseisms where the swells impinge on submarine topographic features. A better understanding of the varying microseism wavefield enables improvements to seismic imaging and development of proxy observables to complement sparse in situ wave observations and hindcast models of the global ocean wave climate. We analyze 12-26 years of seismic data from 11 seismic stations either on the East Antarctic coast or sited in the Indian Ocean, Australia, and New Zealand. The power spectral density of the seismic wavefield is calculated to explore how the time-changing microseism intensity varies with (i) sea ice coverage surrounding Antarctica and (ii) the Southern Annular Mode (SAM) climate index. Variations in sea ice extent are found to be the dominant control on the microseism intensity at Antarctic stations, which exhibit a seasonal pattern phase-shifted by 4-5 months compared to stations in other continents. Peaks in extremal intensity at East Antarctic stations occur in March-April, with the highest peaks for secondary microseisms occurring during negative SAM events. This relationship between microseism intensity and the SAM index is opposite to that observed on the Antarctic Peninsula. This work informs the complexity of microseism amplitudes in the Southern Hemisphere and assists ongoing interdisciplinary investigations of interannual variability and long-term trends.
description: 16 pages, 8 figures, 3 tables; published in JGR Earth Surface
Las infraestructuras como elemento articulador entre la red ecológica y el sistema de ciudades
Creators: name: Fariña Tojo, José
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: En los últimos diez años una parte importante de las regiones más dinámicas del territorio europeo está cambiando de forma acelerada la organización de sus territorios (Font, 2007). En algunos casos esta situación se venía anunciando desde mediados del siglo pasado pero en otros ha irrumpido por sorpresa y sin dar tiempo a las instituciones a reaccionar de forma adecuada. En los párrafos que siguen trataré de hacer una descripción de esta situación ya que el análisis de sus razones y las propuestas de intervención sobrepasan ampliamente las posibilidades de este artículo. Tan sólo intentaré razonar sobre el papel de las infraestructuras de comunicación en el proceso y sobre alguna de sus posibilidades ignoradas de forma notoria hasta el momento.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
title: Mushash 163, Jordanien
Creators: name: Tvetmarken, Cecilie Lelek
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: Mushash 163 is a Neolithic site located in the semi-arid desert steppe between Amman and Azraq in north-eastern Jordan. It was identified in 2012 during the Qasr Mushash survey, following which a surface collection and a geophysical survey was carried out at the site. To date, the Neolithic period in this area is poorly understood, with most fieldwork having taken place further east in the Azraq Basin and adjacent regions. One of the main objectives of the excavations at Mushash 163 is to enable an informed assessment of the nature and timing of the settlement, as well as the economic strategies employed by the group occupying the site.
Edge disorder induced Anderson localization and conduction gap in graphene nanoribbons
Creators: name: Evaldsson, M.
name: Zozoulenko, I. V.
name: Xu, Hengyi
name: Heinzel, T.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the effect of the edge disorder on the conductance of the graphene nanoribbons (GNRs). We find that only very modest edge disorder is sufficient to induce the conduction energy gap in the otherwise metallic GNRs and to lift any difference in the conductance between nanoribbons of different edge geometry. We relate the formation of the conduction gap to the pronounced edge disorder induced Anderson-type localization which leads to the strongly enhanced density of states at the edges, formation of surface-like states and to blocking of conductive paths through the ribbons.
Il ruolo delle infrastrutture nella costruzione e nella percezione del territorio
Creators: name: Busi, Roberto
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: L’opera di pianificazione del paesaggio non può che passare attraverso la pianificazione delle componenti fisiche del territorio che, oltre agli indubitabili significati ed obiettivi funzionali, sono anche gli elementi costitutivi del paesaggio perché rappresentano le componenti percepibili del territorio medesimo; cosicché la pianificazione paesistica viene ad essere ad un tempo la diretta conseguenza e l’alta motivazione di quella urbanistico-territoriale conferendole motivi, fini e valori elevati. E le infrastrutture sono, come detto, le componenti fisiche primarie dell’antropizzazione del territorio sia in quanto tali, sia in quanto fattore per eccellenza di eventi generanti componenti fisiche.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
title: Jabal Ash-Sharah, Jordanien: Nabatäische Wohn- und Wirtschaftsstrukturen im Hinterland von Petra
Creators: name: Ladurner, Mechthild
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: The 2014 survey campaign in the hinterland of Petra constitutes a continuation of a new research project initiated in 2013 (eDAI-F 2014-2, 2014, 73– 77), focused on the study of Nabataean/Roman farmsteads and their paleoenvironment. Beyond the evaluation of previous fieldwork, a total of seven sites along the Jabal ash-Sharah where surveyed during this season documenting architecture, landscape/topography and surface-finds. So far, this data allows an insight into the typology of architecture, its position within the landscape, surrounding installation and its relation to the regional and supraregional road network. Furthermore, these sites serve as nuclei for a study of the spatial organization of the area.
title: Gadara, Jordanien: Forschung und Capacity Building
Creators: name: Bührig, Claudia
Publisher: name: Deutsches Archäologisches Institut
Year: 2017

description: e-Forschungsberichte, Faszikel 2 (2015)
description: During the last four years, the research focus of the German Archaeological Institute’s Orient Department in Gadara/Umm Qays has been expanded to exploring the environs in relation to the ancient city complex as well as the settlement and climate development since the Stone Age. In addition to that, a specific emphasis is put on addressing questions of preserving the ancient remains and their presentation for cultural tourism and for local visitors. New research of the ancient town of Gadara’s surroundings provided evidence of palaeolithic, neolithic and early Islamic settlement traces and also the find of two large, out-of-town sanctuaries from the late Augustan/early Roman era. The survey-area is currently part of the new ‚Yarmouk Nature Reserve‘. For the first time, up-to-date findings of archaeological research are integrated in the concept of the nature reserve and put into action in the form of guided tours under the slogan of „Research and Secure“. This includes the participation of local schools as an important part of the project’s didactic aspect as well as the sustainable development of cultural tourism.
A novel method for measuring the extragalactic background light: Fermi application to the lobes of Fornax A
Creators: name: Georganopoulos, Markos
name: Sambruna, Rita M.
name: Kazanas, Demosthenes
name: Cillis, Analia N.
name: Cheung, Chi C.
name: Perlman, Eric S.
name: Blundell, Katherine M.
name: Davis, David S.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We describe a new method for measuring the extragalactic background light (EBL) through the detection of $γ$-ray inverse Compton (IC) emission due to scattering of the EBL photons off relativistic electrons in the lobes of radio galaxies. Our method has no free physical parameters and is a powerful tool when the lobes are characterized by a high energy sharp break or cutoff in their electron energy distribution (EED). We show that such a feature will produce a high energy IC `imprint' of the EBL spectrum in which the radio lobes are embedded, and show how this imprint can be used to derive the EBL. We apply our method to the bright nearby radio galaxy Fornax A, for which we demonstrate, using WMAP and EGRET observations, that the EED of its lobes is characterized by a conveniently located cutoff, bringing the IC EBL emission into the {\sl Fermi} energy range. We show that {\sl Fermi} will set upper limits to the optical EBL and measure the more elusive infrared EBL.
description: ApJL, accepted
"Il paesaggio tra conservazione e progetto". Il ponte come protagonista nella costruzione del paesaggio
Creators: name: Coletta, Mario
Publisher: name: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica
Year: 2008

description: Il ponte documenta ed esemplifi ca la storia, il carattere e la cultura della città, rendendosi interprete delle sue metamorfosi, off rendo chiusura, protezione e sicurezza nelle circostanze segnate dalla paura e garantendo apertura, sviluppo e prosperità in quelle segnate dalla tranquillità e dalla fi ducia. I ponti si identifi cano con la città che l’accoglie, divenendo manifestazione simbolica del potere che la governa e/o della popolazione che la vitalizza, siano essi espressioni monumentali di porte urbiche, siano essi semplici corpi cavalcavia tipicizzanti il pittoresco degli insediamenti medioevali.
description: Territorio della Ricerca su Insediamenti e Ambiente. Rivista internazionale di cultura urbanistica, No 1 (2008): The bridge in space and time to overcome urban barriers
Observational prospects for phase transitions at LISA: Fisher matrix analysis
Creators: name: Gowling, Chloe
name: Hindmarsh, Mark
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A first order phase transition at the electroweak scale would lead to the production of gravitational waves that may be observable at upcoming space-based gravitational wave (GW) detectors such as LISA (Laser Interferometer Space Antenna). As the Standard Model has no phase transition, LISA can be used to search for new physics by searching for a stochastic gravitational wave background. In this work we investigate LISA's sensitivity to the thermodynamic parameters encoded in the stochastic background produced by a phase transition, using the sound shell model to characterise the gravitational wave power spectrum, and the Fisher matrix to estimate uncertainties. We explore a parameter space with transition strengths $α< 0.5$ and phase boundary speeds $0.4 < v_\text{w} < 0.9$, for transitions nucleating at $T_{\text{N}} = 100$ GeV, with mean bubble spacings $0.1$ and $0.01$ of the Hubble length, and sound speed $c/\sqrt{3}$. We show that the power spectrum in the sound shell model can be well approximated by a four-parameter double broken power law, and find that the peak power and frequency can be measured to approximately 10% accuracy for signal-to-noise ratios (SNRs) above 20. Determinations of the underlying thermodynamic parameters are complicated by degeneracies, but in all cases the phase boundary speed will be the best constrained parameter. Turning to the principal components of the Fisher matrix, a signal-to-noise ratio above 20 produces a relative uncertainty less than 3% in the two highest-order principal components, indicating good prospects for combinations of parameters. The highest-order principal component is dominated by the wall speed. These estimates of parameter sensitivity provide a preliminary accuracy target for theoretical calculations of thermodynamic parameters.
description: 37 pages, 11 figures
Separation of tectonic and local components of horizontal GPS station velocities: a case study for glacial isostatic adjustment in East Antarctica
Creators: name: Turner, Ross J.
name: Reading, Anya M.
name: King, Matt A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Accurate measurement of the local component of geodetic motion at GPS stations presents a challenge due to the need to separate this signal from the tectonic plate rotation. A pressing example is the observation of glacial isostatic adjustment (GIA) which constrains the Earth's response to ice unloading, and hence, contributions of ice-covered regions such as Antarctica to global sea level rise following ice mass loss. We focus on horizontal GPS velocities which typically contain a large component of plate rotation and a smaller local component primarily relating to GIA. Incomplete separation of these components introduces significant bias into estimates of GIA motion vectors. We present the results of a series of tests based on the motions of GPS stations from East Antarctica: 1) signal separation for sets of synthetic data that replicate the geometric character of non-separable, and separable, GIA-like horizontal velocities; and 2) signal separation for real GPS station data with an appraisal of uncertainties. For both synthetic and real motions, we compare results where the stations are unweighted, and where each station is areal-weighted using a metric representing the inverse of the spatial density of neighbouring stations. From the synthetic tests, we show that a GIA-like signal is recoverable from the plate rotation signal providing it has geometric variability across East Antarctica. We also show that areal-weighting has a very significant effect on the ability to recover a GIA-like signal with geometric variability, and hence on separating the plate rotation and local components. For the real data, assuming a rigid Antarctic plate, fitted plate rotation parameters compare well with other studies in the literature. We find that 25 out of 36 GPS stations examined in East Antarctica have non-zero local horizontal velocities, at the 2$σ$ level, after signal separation.
description: 15 pages, 9 figures, 5 tables; published in GJI