cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Οικιστική ανάπτυξη και κοινωνία στο σύγχρονο Πέραμα
titleType: AlternativeTitle
title: Residential development and social structure of contemporary Perama
Creators: name: Matthaiou, Danai-Dimitra
Publisher: name: National Technological University of Athens
Year: 2014
Subjects: Δομημένο περιβάλλον
Structured environment
Κοινωνική δομή
Social structure
Οικονομία - παραγωγή
Economy - production
Κοινωνικά χαρακτηριστικά
Social features
Οικιστική ανάπτυξη
Residential development
Πέραμα

description: 63 σ.
description: Η εργασία αφορά στη διερεύνηση της σχέσης της οικιστικής ανάπτυξης και της κοινωνικής δομής εξετάζοντας την αλληλεπίδραση τους μέσα από το παράδειγμα του σύγχρονου Περάματος. Η συγκεκριμένη περιοχή επιλέχτηκε λόγω της ανάπτυξης ενός μόνο εργασιακού κλάδου στην περιοχή, της ναυπηγοεπισκευής, όπου δημιούργησε με τη σειρά του μια συγκεκριμένη κοινωνική τάξη, την εργατική, για να διαμορφώσει και εκείνη ένα ξεκάθαρο οικιστικό σύνολο με βάση τις δικές της ανάγκες και δυνατότητες. Σκοπός της παρούσας εργασίας είναι η διερεύνηση του τρόπου με τον οποίο ο πολεοδομικός σχεδιασμός θα μπορούσε να επέμβει με στόχο τη μείωση των κοινωνικοοικονομικών ανισοτήτων και τη βελτίωση της ποιότητας ζωής των κατοίκων, προκειμένου οι κάτοικοι των πόλεων να έχουν ίσα δικαιώματα στην κατοικία, τον ελεύθερο χρόνο, τις καλές συνθήκες διαβίωσης και την ποιότητα ζωής. Δηλαδή σε ποιο βαθμό η πολεοδομική σύνθεση μιας πόλης (δομημένο περιβάλλον) μπορεί να επηρεάσει την κοινωνική δομή της και αντιστρόφως.
description: This project has to do with the residential development and social structure of contemporary Perama in the Piraeus. This particular area has been chosen because of the development of only one labor sector which has to do with ship repairing. This had as a result the creation of a specific social background, the labor one and accordingly the development of a clear residential structure based on their needs and their capabilities. So, the main purpose of this research is to show how urban planning could intervene in order to reduce socioeconomic dispanties and to improve the quality of the residents’ life, so that they can have equal rights in housing and facilities.
Gravitational Waves in Open de Sitter Space
Creators: name: Hawking, S. W.
name: Hertog, Thomas
name: Turok, Neil
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We compute the spectrum of primordial gravitational wave perturbations in open de Sitter spacetime. The background spacetime is taken to be the continuation of an O(5) symmetric instanton saddle point of the Euclidean no boundary path integral. The two-point tensor fluctuations are computed directly from the Euclidean path integral. The Euclidean correlator is then analytically continued into the Lorentzian region where it describes the quantum mechanical vacuum fluctuations of the graviton field. Unlike the results of earlier work, the correlator is shown to be unique and well behaved in the infrared. We show that the infrared divergence found in previous calculations is due to the contribution of a discrete gauge mode inadvertently included in the spectrum.
description: 17 pages, compressed and RevTex file, including one postscript figure file
DEVELOPMENT OF IOT-BASED DRIVER DROWSINESS DETECTION AND WARNING SYSTEM
Creators: name: GUNAWAN WITJAKSONO
name: A JUMABAYEV
name: RIZA MUHIDA
Publisher: name: Zenodo
Year: 2024
Subjects: Internet of things, IoT, Drowsiness, Fatigue, Detection, Viola-Jones

description: Abstract 

Drowsy driving is one of the common causes of millions of traffic accidents every year in the world. Many other accidents in industry and transportation are direct result of tiredness or drowsiness. Current drowsiness detection systems do not provide effective solution because of their weaknesses such as bulky design, dependence on road types or illumination. The research is to develop cost-effective and practical system to identify the level of tiredness and drowsiness from physiological condition of the driver. The methods of detecting driver drowsiness state by capturing and calculating the blinking rate, ratio of eye-opening and yawning pattern are developed and analysed by a new developed algorithm. Then, information collected by the camera system are saved in the local and internet database which later can be retrieved for further processing.
Training convolutional neural networks to estimate turbulent sub-grid scale reaction rates
Creators: name: Lapeyre, C. J.
name: Misdariis, A.
name: Cazard, N.
name: Veynante, D.
name: Poinsot, T.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences
subject: 80A32

description: This work presents a new approach for premixed turbulent combustion modeling based on convolutional neural networks (CNN). We first propose a framework to reformulate the problem of subgrid flame surface density estimation as a machine learning task. Data needed to train the CNN is produced by direct numerical simulations (DNS) of a premixed turbulent flame stabilized in a slot-burner configuration. A CNN inspired from a U-Net architecture is designed and trained on the DNS fields to estimate sub-grid scale wrinkling. It is then tested on an unsteady turbulent flame where the mean inlet velocity is increased for a short time and the flame must react to a varying turbulent incoming flow. The CNN is found to efficiently extract the topological nature of the flame and predict subgrid scale wrinkling, outperforming classical algebraic models. This method can be seen as a data-driven extension of dynamic formulations, where topological information was extracted in a hand-designed fashion.
title: Πειραματικός προσδιορισμός παραμορφώσεων σε πλάκα με δύο συμμετρικές κυκλικές οπές με τη μέθοδο Mesh Free Random Grid (M.F.R.G.)
titleType: AlternativeTitle
Creators: name: Giavoudi, Sofia N.
Publisher: name: National Technological University of Athens
Year: 2011
Subjects: Πειραματικός προσδιορισμός παραμορφώσεων
Παραμορφώσεις σε 2 συμμετρικές κυκλικές οπές
Πειραματικός προσδιορισμός παραμορφώσεων σε 2 κυκλικές οπές
Mesh free random grid
M.F.R.G.
Εxperimental determination of strain
Strain in a plate containing 2
Strain in 2 symmetrical circular holes
the method of Mesh Free Random Grid

description: 71 σ.
description: Εθνικό Μετσόβιο Πολυτεχνείο--Μεταπτυχιακή Εργασία. Διεπιστημονικό-Διατμηματικό Πρόγραμμα Μεταπτυχιακών Σπουδών (Δ.Π.Μ.Σ.) "Εφαρμοσμένη Μηχανική"
description: Θέμα της μεταπτυχιακής εργασίας είναι ο πειραματικός προσδιορισμός των παραμορφώσεων σε δοκίμιο το οποίο περιέχει 2 κυκλικές συμμετρικές οπές με τη μέθοδο Mesh Free Random Grid (M.F.R.G). Στην αρχή της εργασίας γίνεται μια περιγραφή της μεθόδου απεικόνισης πλήρους πεδίου και παρουσιάζεται τι είναι η ψηφιακή επεξεργασία εικόνας, τα είδη της ψηφιακής εικόνας, η έννοια της κατωφλίωσης, ο τρόπος που γίνονται οι μετρήσεις στην ψηφιακή εικόνα και οι ψηφιακές μηχανές dSLR. Ακόμα γίνεται αναφορά στο διάγραμμα τάσεων- παραμορφωσεων, στην ελαστική περιοχή και στην περιοχή διαρροής και παρουσιάζεται ο υπολογισμός του τασικού πεδίου στην περίπτωση άπειρης πλάκας με μια κυκλική οπή και με δύο κυκλικές οπές. Τέλος, ακλουθεί η περιγραφή της πειραματικής διαδικασίας, η επεξεργασία των μετρήσεων και κατασκευάζονται γραφήματα τα οποία απεικονίζουν το παραμορφωσιακό πεδίο για χαμηλές και υψηλές τιμές φόρτισης.
description: The focus of this thesis is the experimental determination of strain in a plate containing 2 symmetrical circular holes with the method of Mesh Free Random Grid (MFRG). At the beginning of the thesis it is being described the method of Mesh Free Random Grid (MFRG) and it is being presented what is digital imaging, the types of digital images, how measurement are taken from the digital image and the digital cameras dSLR. It is also mentioned the stress-strain diagram, the elastic area and yielding area and it is also being presented the calculation of the stresses in an infinite plate containing one and two circular holes. Finally, it is being described the experimental procedure, the evaluation of the data acquired and charts are being constructed that illustrate the strain in a plate containing two circular holes in low and high loads.
Diffusion through nanopores in connected lipid bilayer networks
Creators: name: Valet, Manon
name: Pontani, Léa-Laetitia
name: Voituriez, Raphaël
name: Wandersman, Elie
name: Prevost, Alexis M.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Biological Physics (physics.bio-ph)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Subcellular Processes (q-bio.SC)
subject: FOS: Physical sciences
subject: FOS: Biological sciences

description: A biomimetic model of cell-cell communication was developed to probe the passive molecular transport across ion channels inserted in synthetic lipid bilayers formed between contacting droplets arranged in a linear array. Diffusion of a fluorescent probe across the array was measured for different pore concentrations. The diffusion characteristic time scale is found to vary non-linearly with the pore concentration. Our measurements are successfully modeled by a continuous time random walk description, whose waiting time is the first exit time from a droplet through a cluster of pores. The size of the cluster of pores is found to increase with their concentration. Our results provide a direct link between the mesoscopic permeation properties and the microscopic characteristics of the pores such as their number, size and spatial arrangement.
description: 5 pages, 3 figures
Anomalous Dimension in the Solution of the Barenblatt's Equation
Creators: name: Chen, Cheng
name: Cheng, G.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: A new method is presented to obtain the anomalous dimension in the solution of the Barenblatt's equation. The result is the same as that in the renormalization group (RG) approach. It gives us insight on the perturbative solution of the Barenblatt's equation in the RG approach. Based on this discussion, an improvement is made to take into account, in more complete way, the nonlinear effect, which is included in the Heaviside function in higher orders. This improved result is better than that in RG approach.
description: 17 pages, LaTex, no figure
Coupling of Chloride Ingress, Carbonation and Mechanical Response for Durability large Scale FE Modeling
Creators: name: biot-bazant, figshare admin
name: Cervenka, Jan
name: Jendele, Libor
name: Smauler, Vit
name: Zalsky, Jiri
Publisher: name: The Biot-Bazant Conference
Year: 2021
Subjects: subject: Mechanics
subject: 90503 Construction Materials
subject: FOS: Civil engineering
subject: 90506 Structural Engineering
subject: 80110 Simulation and Modelling
subject: FOS: Computer and information sciences

description: This publication is part of the proceedings of the Biot-Bažant Conference on Engineering Mechanics and Physics of Porous Materials, which took place virtually on June 1-3, 2021. It contains a one-page abstract and the video of the talk that was given at the conference.
Hyperuniformity on spherical surfaces
Creators: name: Meyra, Ariel G.
name: Zarragoicoechea, Guillermo J.
name: Maltz, Alberto. L.
name: Lomba, Enrique
name: Torquato, Salvatore
Publisher: name: arXiv
Year: 2018
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: In this work we present a study on the characterization of ordered and disordered hyperuniform point distributions on spherical surfaces. In spite of the extensive literature on disordered hyperuniform systems in Euclidean geometries, to date few works have dealt with the problem of hyperuniformity in curved spaces. As a matter of fact, some systems that display disordered hyperuniformity, like the space distribution of photoreceptors in avian retina, actually occur on curved surfaces. Here we will focus on the local particle number variance and its dependence on the size of the sampling window (which we take to be a spherical cap) for regular and uniform point distributions, as well as for equilibrium configurations of fluid particles interacting through Lennard-Jones, dipole-dipole and charge-charge potentials. We will show how the scaling of the local number variance enables the characterization of hyperuniform point patterns also on spherical surfaces.
Positive Mass Theorem for Black Holes in Einstein-Maxwell Axion-dilaton Gravity
Creators: name: Rogatko, Marek
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We presented the proof of the positive mass theorem for black holes in Einstein-Maxwell axion-dilaton gravity being the low-energy limit of the heterotic string theory. We show that the total mass of a spacetime containing a black hole is greater or equal to the square root of the sum of squares of the adequate dilaton-electric and dilaton-axion charges.
description: latex file, to appear in Classical Quantum Gravity
Additional file of The association of polymorphisms in hormone metabolism pathway genes, menopausal hormone therapy, and breast cancer risk: a nested case-control study in the California Teachers Study cohort
Creators: name: Eunjung Lee
name: Schumacher, Fredrick
name: Lewinger, Juan Pablo
name: Neuhausen, Susan L
name: Anton-Culver, Hoda
name: Horn-Ross, Pamela L
name: Henderson, Katherine D
name: Ziogas, Argyrios
name: Berg, David Van Den
name: Bernstein, Leslie
name: Giske Ursin
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Physiology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file of The association of polymorphisms in hormone metabolism pathway genes, menopausal hormone therapy, and breast cancer risk: a nested case-control study in the California Teachers Study cohort
Additional file 3 of Dual species dynamic transcripts reveal the interaction mechanisms between Chrysanthemum morifolium and Alternaria alternata
Creators: name: Liu, Lina
name: Chen, Fadi
name: Chen, Sumei
name: Fang, Weimin
name: Liu, Ye
name: Guan, Zhiyong
Publisher: name: figshare
Year: 2021
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Plant Biology

description: Additional file 3: Table S1 Primer sequences used in qRT-PCR for the validation of dual RNA-seq data.
Strong Electron-Phonon Coupling in Superconducting MgB$_2$: A Specific Heat Study
Creators: name: Wälti, Ch.
name: Felder, E.
name: Degen, C.
name: Wigger, G.
name: Monnier, R.
name: Delley, B.
name: Ott, H. R.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We report on measurements of the specific heat of the recently discovered superconductor MgB$_2$ in the temperature range between 3 and 220 K. Based on a modified Debye-Einstein model, we have achieved a rather accurate account of the lattice contribution to the specific heat, which allows us to separate the electronic contribution from the total measured specific heat. From our result for the electronic specific heat, we estimate the electron-phonon coupling constant $λ$ to be of the order of 2, significantly enhanced compared to common weak-coupling values $\leq 0.4$. Our data also indicate that the electronic specific heat in the superconducting state of MgB$_2$ can be accounted for by a conventional, s-wave type BCS-model.
description: 4 pages, 4 figures
Emergent spatial structures in critical sandpiles
Creators: name: Tadić, Bosiljka
name: Dhar, Deepak
Publisher: name: arXiv
Year: 1997
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We introduce and study a new directed sandpile model with threshold dynamics and stochastic toppling rules. We show that particle conservation law and the directed percolation-like local evolution of avalanches lead to the formation of a spatial structure in the steady state, with the density developing a power law tail away from the top. We determine the scaling exponents characterizing the avalanche distributions in terms of the critical exponents of directed percolation in all dimensions.
description: 4 pages, 4 Postscript figures, to appear in Phys. Rev. Lett
Metallic charge density waves and surface Mott insulators for adlayer structures on semiconductors: extended Hubbard modeling
Creators: name: Santoro, G.
name: Sorella, S.
name: Becca, F.
name: Scandolo, S.
name: Tosatti, E.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Motivated by the recent experimental evidence of commensurate surface CDW in Pb/Ge(111) and Sn/Ge(111) $\sqrt{3}$-adlayer structures, as well as by the insulating states found on K/Si(111):B and SiC(0001), we have investigated the role of electron-electron interactions, and also of electron-phonon coupling, on the narrow surface state band originating from the dangling bond orbitals of the adsorbate. We model the problem by an extended two-dimensional Hubbard model at half-filling on a triangular lattice. We include an on-site Hubbard repulsion U and a nearest-neighbor V, plus a long-ranged Coulomb tail. The electron-phonon interaction is treated in the deformation potential approximation. We have explored the phase diagram of the model including the possibility of commensurate 3x3 phases, using mainly the Hartree-Fock approximation. For U larger than the bandwidth we find magnetic insulators, possibly corresponding to the situation in SiC and in K/Si. For smaller U, the inter-site repulsion V can stabilize metallic CDW phases, reminiscent of the 3x3 structures of Sn/Ge, and possibly of Pb/Ge.
description: 10 pages, 3 figures, presented at ECOSS-17 sept 1997
Derechos de Autor para Editores Científicos.
Creators: name: Muriel-Torrado, Enrique
Publisher: name: Zenodo
Year: 2021
Subjects: copyright, license, Creative Commons, Scientific Journals, Editors, Scholarly Communication,

description: Presentación básica sobre derechos de autor, autoria y plagio para para los webinarios de LILACS. 2021
The Intellectual Property Business Model (IP-BM) - Lessons from ARM Plc.
Creators: name: Ferrani, Simone
name: Garnsey, Elizabeth
name: Lorenzoni, Gianni
name: Massa, Lorenzo
Publisher: name: Apollo - University of Cambridge Repository
Year: 2019
Subjects: Intellectual property, business model, ARM Plc.

description: Under what conditions can technology ventures design and implement a sustainable Intellectual Property Business Model? Many new firms in technology-intensive domains seek to adopt such models. This enables them to focus limited resources on core areas of competence, but raises significant challenges. These include the reluctance of customers to license the technology until it is generating value in applications and the experimentation needed to identify appropriate applications and markets, especially for generic technologies. Complementary assets must be fostered to transfer the technology across the value chain. Protecting the IP during scale up is problematic. In this paper we offer a detailed study of a firm that succeeded in overcoming these challenges, ARM plc. We attempt to identify what aspects of their experience (of IP generated growth) are generalizable to other firms. We define a business model as the way the firm is organized to create and capture value. We explore the kind of business ecosystem that must be nurtured for a firm to sustain growth through value creation and capture based on an intellectual property business model and find that reciprocity of benefits across the business ecosystem is needed.
Additional file 2 of Dual species dynamic transcripts reveal the interaction mechanisms between Chrysanthemum morifolium and Alternaria alternata
Creators: name: Liu, Lina
name: Chen, Fadi
name: Chen, Sumei
name: Fang, Weimin
name: Liu, Ye
name: Guan, Zhiyong
Publisher: name: figshare
Year: 2021
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Plant Biology

description: Additional file 2: Figure S2 Heatmap of genes involved in ascorbic acid and glutathione synthesis. Expression values are presented as log2 fold-change value (red represents up-regulation; blue represents down-regulation).
Superconductivity in the WP single crystal
Creators: name: Liu, Ziyi
name: Wu, Wei
name: Zhao, Zhenzheng
name: Zhao, Hengcan
name: Cui, Jian
name: Shan, Pengfei
name: Zhang, Jiahao
name: Yang, Changli
name: Sun, Peijie
name: Sui, Yu
name: Cheng, Jinguang
name: Lu, Li
name: Luo, Jianlin
name: Liu, Guangtong
Publisher: name: arXiv
Year: 2019
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We report the discovery of superconductivity on high-quality single crystals of transition-metal pnictides WP grown by chemical vapor transport (CVT) method. Bulk superconductivity is observed at Tc = 0.84 K under ambient pressure by electrical resistivity and AC magnetic susceptibility measurements. The effects of magnetic field on the superconducting transitions are studied, leading to a large anisotropy parameter around 2 with the in-plane and out-of-plane upper critical fields of Hc2=172 Oe and Hc2\=85 Oe, respectively. Our finding demonstrates that WP is the first superconductor in 5d transition-metal at ambient pressure in MnP-type, which will help to search for new superconductors in transition-metal pnictides.
description: 15 pages, 5 figures
Discretizing pore structure at the steel-concrete interface for transport modeling
Creators: name: biot-bazant, figshare admin
name: Schmid, Thilo
name: Zhang, Zhidong
name: Ruffray, Nicolas
name: Isgor, Burkan
name: Angst, Ueli
Publisher: name: The Biot-Bazant Conference
Year: 2021
Subjects: subject: 90503 Construction Materials
subject: FOS: Civil engineering
subject: 30607 Transport Properties and Non-equilibrium Processes
subject: FOS: Chemical sciences
subject: 80110 Simulation and Modelling
subject: FOS: Computer and information sciences

description: This publication is part of the proceedings of the Biot-Bažant Conference on Engineering Mechanics and Physics of Porous Materials, which took place virtually on June 1-3, 2021. It contains a one-page abstract and the video of the talk that was given at the conference.
Graviton Propagators, Brane Bending and Bending of Light in Theories with Quasi-Localized Gravity
Creators: name: Csaki, Csaba
name: Erlich, Joshua
name: Hollowood, Timothy J.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We derive the graviton propagator on the brane for theories with quasi-localized gravity. In these models the ordinary 4D graviton is replaced by a resonance in the spectrum of massive Kaluza-Klein modes, which can decay into the extra dimension. We find that the effects of the extra polarization in the massive graviton propagator is exactly cancelled by the bending of the brane due to the matter sources, up to small corrections proportional to the width of the resonance. Thus at intermediate scales the classic predictions of Einstein's gravity are reproduced in these models to arbitrary precision.
description: 10 pages, LaTeX, requires JHEP.cls
Making the gravitational path integral more Lorentzian, or: Life beyond Liouville gravity
Creators: name: Loll, R.
name: Ambjorn, J.
name: Anagnostopoulos, K. N.
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: In two space-time dimensions, there is a theory of Lorentzian quantum gravity which can be defined by a rigorous, non-perturbative path integral and is inequivalent to the well-known theory of (Euclidean) quantum Liouville gravity. It has a number of appealing features: i) its quantum geometry is non-fractal, ii) it remains consistent when coupled to matter, even beyond the c=1 barrier, iii) it is closer to canonical quantization approaches than previous path-integral formulations, and iv) its construction generalizes to higher dimensions.
description: 4 pages, 2 figures (postscript), uses espcrc2.sty
Revisiting the potassium feature of WASP-31b at high-resolution
Creators: name: Gibson, Neale P.
name: de Mooij, Ernst J. W.
name: Evans, Thomas M.
name: Merritt, Stephanie
name: Nikolov, Nikolay
name: Sing, David K.
name: Watson, Chris
Publisher: name: arXiv
Year: 2018
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The analysis and interpretation of exoplanet spectra from time-series observations remains a significant challenge to our current understanding of exoplanet atmospheres, due to the complexities in understanding instrumental systematics. Previous observations of the hot Jupiter WASP-31b using transmission spectroscopy at low-resolution have presented conflicting results. Hubble Space Telescope (HST) observations detected a strong potassium feature at high significance (4.2σ), which subsequent ground-based spectro-photometry with the Very Large Telescope (VLT) failed to reproduce. Here, we present high-resolution observations (R>80,000) of WASP-31b with the UVES spectrograph, in an effort to resolve this discrepancy. We perform a comprehensive search for potassium using differential transit light curves, and integration over the planet's radial velocity. Our observations do not detect K absorption at the level previously reported with HST, consistent with the VLT observations. We measure a differential light curve depth $ΔF = 0.00031 \pm 0.00036$ using 40Å bins centred on the planet's K feature, and set an upper limit on the core line depth of $ΔF \leq 0.007$ (3σ) at a few times the resolution limit ($\approx0.24Å$). These results demonstrate that there are still significant limitations to our understanding of instrumental systematics even with our most stable space-based instrumentation, and that care must be taken when extracting narrow band signatures from low-resolution data. Confirming exoplanet features using alternative instruments and methodologies should be a priority, and confronting the limitations of systematics is essential to our future understanding of exoplanet atmospheres.
description: Accepted in MNRAS, 11 pages, 10 figures
Atomic structure of dislocation kinks in silicon
Creators: name: Nunes, R. W.
name: Bennetto, J.
name: Vanderbilt, David
Publisher: name: arXiv
Year: 1997
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigate the physics of the core reconstruction and associated structural excitations (reconstruction defects and kinks) of dislocations in silicon, using a linear-scaling density-matrix technique. The two predominant dislocations (the 90-degree and 30-degree partials) are examined, focusing for the 90-degree case on the single-period core reconstruction. In both cases, we observe strongly reconstructed bonds at the dislocation cores, as suggested in previous studies. As a consequence, relatively low formation energies and high migration barriers are generally associated with reconstructed (dangling-bond-free) kinks. Complexes formed of a kink plus a reconstruction defect are found to be strongly bound in the 30-degree partial, while the opposite is true in the case of 90-degree partial, where such complexes are found to be only marginally stable at zero temperature with very low dissociation barriers. For the 30-degree partial, our calculated formation energies and migration barriers of kinks are seen to compare favorably with experiment. Our results for the kink energies on the 90-degree partial are consistent with a recently proposed alternative double-period structure for the core of this dislocation.
description: 12 pages, two-column style with 8 postscript figures embedded. Uses REVTEX and epsf macros. Also available at http://www.physics.rutgers.edu/~dhv/preprints/index.html#rn_dis
Additional file 1 of The association of polymorphisms in hormone metabolism pathway genes, menopausal hormone therapy, and breast cancer risk: a nested case-control study in the California Teachers Study cohort
Creators: name: Eunjung Lee
name: Schumacher, Fredrick
name: Lewinger, Juan Pablo
name: Neuhausen, Susan L
name: Anton-Culver, Hoda
name: Horn-Ross, Pamela L
name: Henderson, Katherine D
name: Ziogas, Argyrios
name: Berg, David Van Den
name: Bernstein, Leslie
name: Giske Ursin
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Physiology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 1: Supplementary Table S1. A word document of Supplementary Table S1. (DOCX 20 KB)
Hiperoxalurias primarias, un reto diagnóstico en Nefrología
Creators: name: Esteban-de-la-Rosa, Rafael Jose
name: Molina-Zayas, María
Publisher: name: Zenodo
Year: 2022

description: La ponencia aborda el desafío diagnóstico en nefrología que presentan las hiperoxalurias primarias con un carácter eminentemente docente. Se exploran aspectos clave, incluyendo la epidemiología y frecuencia de estas condiciones. A través de la presentación detallada de un caso clínico de Hiperoxaluria Primaria Tipo 1 (HP1), se ilustra el modo de transmisión y se destacan los desafíos específicos en el diagnóstico y manejo terapéutico. La exposición busca mejorar la comprensión de esta entidad clínica compleja y proporcionar herramientas prácticas para la identificación temprana y el manejo efectivo de las hiperoxalurias primarias en el ámbito nefrológico.
Stick-Slip Fluctuations in Granular Drag
Creators: name: Albert, I.
name: Tegzes, P.
name: Albert, R.
name: Sample, J. G.
name: Barabasi, A. -L.
name: Vicsek, T.
name: Schiffer, P.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We study fluctuations in the drag force experienced by an object moving through a granular medium. The successive formation and collapse of jammed states give a stick-slip nature to the fluctuations which are periodic at small depths but become "stepped" at large depths, a transition which we interpret as a consequence of the long-range nature of the force chains and the finite size of our experiment. Another important finding is that the mean force and the fluctuations appear to be independent of the properties of the contact surface between the grains and the dragged object. These results imply that the drag force originates in the bulk properties of the granular sample.
Additional file 2 of The association of polymorphisms in hormone metabolism pathway genes, menopausal hormone therapy, and breast cancer risk: a nested case-control study in the California Teachers Study cohort
Creators: name: Eunjung Lee
name: Schumacher, Fredrick
name: Lewinger, Juan Pablo
name: Neuhausen, Susan L
name: Anton-Culver, Hoda
name: Horn-Ross, Pamela L
name: Henderson, Katherine D
name: Ziogas, Argyrios
name: Berg, David Van Den
name: Bernstein, Leslie
name: Giske Ursin
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Physiology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 2: Supplementary Figure S1. A word document of Supplementary Figure S1. (DOCX 29 KB)
Thermally activated Hall creep of flux lines from a columnar defect
Creators: name: Gorokhov, D. A.
name: Blatter, G.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We analyse the thermally activated depinning of an elastic string (line tension $ε$) governed by Hall dynamics from a columnar defect modelled as a cylindrical potential well of depth $V_{0}$ for the case of a small external force $F.$ An effective 1D field Hamiltonian is derived in order to describe the 2D string motion. At high temperatures the decay rate is proportional to $F^{{5}/{2}}T^{-{1}/{2}} \exp{\left [{F_{0}}/{F}-{U(F)}/{T}\right ]},$ with $F_{0}$ a constant of order of the critical force and $U(F) \sim{\left ({εV_{0}})}^{{1}/{2}}{V_{0}/{F}}$ the activation energy. The results are applied to vortices pinned by columnar defects in superclean superconductors.
description: 12 pages, RevTeX, 2 figures inserted
Mode I crack tip fields: strain gradient plasticity theory versus J2 flow theory
Creators: name: Martínez-Pañeda, Emilio
name: Fleck, Norman A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The mode I crack tip asymptotic response of a solid characterised by strain gradient plasticity is investigated. It is found that elastic strains dominate plastic strains near the crack tip, and thus the Cauchy stress and the strain state are given asymptotically by the elastic K-field. This crack tip elastic zone is embedded within an annular elasto-plastic zone. This feature is predicted by both a crack tip asymptotic analysis and a finite element computation. When small scale yielding applies, three distinct regimes exist: an outer elastic K field, an intermediate elasto-plastic field, and an inner elastic K field. The inner elastic core significantly influences the crack opening profile. Crack tip plasticity is suppressed when the material length scale $\ell$ of the gradient theory is on the order of the plastic zone size estimation, as dictated by the remote stress intensity factor. A generalized J-integral for strain gradient plasticity is stated and used to characterise the asymptotic response ahead of a short crack. Finite element analysis of a cracked three point bend specimen reveals that the crack tip elastic zone persists in the presence of bulk plasticity and an outer J-field.
Brane New World
Creators: name: Hawking, S. W.
name: Hertog, T.
name: Reall, H. S.
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Astrophysics (astro-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study a Randall-Sundrum cosmological scenario consisting of a domain wall in anti-de Sitter space with a strongly coupled large $N$ conformal field theory living on the wall. The AdS/CFT correspondence allows a fully quantum mechanical treatment of this CFT, in contrast with the usual treatment of matter fields in inflationary cosmology. The conformal anomaly of the CFT provides an effective tension which leads to a de Sitter geometry for the domain wall. This is the analogue of Starobinsky's four dimensional model of anomaly driven inflation. Studying this model in a Euclidean setting gives a natural choice of boundary conditions at the horizon. We calculate the graviton correlator using the Hartle-Hawking ``No Boundary'' proposal and analytically continue to Lorentzian signature. We find that the CFT strongly suppresses metric perturbations on all but the largest angular scales. This is true independently of how the de Sitter geometry arises, i.e., it is also true for four dimensional Einstein gravity. Since generic matter would be expected to behave like a CFT on small scales, our results suggest that tensor perturbations on small scales are far smaller than predicted by all previous calculations, which have neglected the effects of matter on tensor perturbations.
description: LaTeX, 27 pages, 2 .eps figures. v2: factors of i in final result and references added. v3: Appendix A and typos corrected and reference added
Determination of the Hurst Exponent by Use of Wavelet Transforms
Creators: name: Simonsen, Ingve
name: Hansen, Alex
name: Nes, Olav Magnar
Publisher: name: arXiv
Year: 1997
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We propose a new method for (global) Hurst exponent determination based on wavelets. Using this method, we analyze synthetic data with predefined Hurst exponents, fracture surfaces and data from economy. The results are compared with those obtained from Fourier spectral analysis. When many samples are available, the wavelet and Fourier methods are comparable in accuracy. However, when one or only a few samples are available, the wavelet method outperforms the Fourier method by a large margin.
description: 10 pages RevTeX, 13 Postscript figures. Some additional material compared to previous version
Stripe orientation in an anisotropic t-J model
Creators: name: Kampf, Arno P.
name: Scalapino, Douglas J.
name: White, Steven R.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The tilt pattern of the CuO_6 octahedra in the LTT phase of the cuprate superconductors leads to planar anisotropies for the exchange coupling and hopping integrals. Here, we show that these anisotropies provide a possible structural mechanism for the orientation of stripes. A t_x-t_y-J_x-J_y model thus serves as an effective Hamiltonian to describe stripe formation and orientation in LTT-phase cuprates.
description: 3 pages, 3 figures
The strong and weak holographic principles
Creators: name: Smolin, Lee
Publisher: name: arXiv
Year: 2000
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We review the different proposals which have so far been made for the holographic principle and the related entropy bounds and classify them into the strong, null and weak forms. These are analyzed, with the aim of discovering which may hold at the level of the full quantum theory of gravity. We find that only the weak forms, which constrain the information available to observers on boundaries, are implied by arguments using the generalized second law. The strong forms, which go further and posit a bound on the entropy in spacelike regions bounded by surfaces, are found to suffer from serious problems, which give rise to counterexamples already at the semiclassical level. The null form, proposed by Fischler, Susskind, Bousso and others, in which the bound is on the entropy of certain null surfaces, appears adequate at the level of a bound on the entropy of matter in a single background spacetime, but attempts to include the gravitational degrees of freedom encounter serious difficulties. Only the weak form seems capable of holding in the full quantum theory. The conclusion is that the holographic principle is not a relationship between two independent sets of concepts: bulk theories and measures of geometry vrs boundary theories and measures of information. Instead, it is the assertion that in a fundamental theory the first set of concepts must be completely reduced to the second.
description: Latex, 53 pages, no figures
Additional file 4 of Dual species dynamic transcripts reveal the interaction mechanisms between Chrysanthemum morifolium and Alternaria alternata
Creators: name: Liu, Lina
name: Chen, Fadi
name: Chen, Sumei
name: Fang, Weimin
name: Liu, Ye
name: Guan, Zhiyong
Publisher: name: figshare
Year: 2021
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Plant Biology

description: Additional file 4: Table S2 Summary statistics of raw reads and clean reads used for mapping to reference genome of A. alternata.
Additional file 4 of The association of polymorphisms in hormone metabolism pathway genes, menopausal hormone therapy, and breast cancer risk: a nested case-control study in the California Teachers Study cohort
Creators: name: Eunjung Lee
name: Schumacher, Fredrick
name: Lewinger, Juan Pablo
name: Neuhausen, Susan L
name: Anton-Culver, Hoda
name: Horn-Ross, Pamela L
name: Henderson, Katherine D
name: Ziogas, Argyrios
name: Berg, David Van Den
name: Bernstein, Leslie
name: Giske Ursin
Publisher: name: figshare
Year: 2020
Subjects: subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Physiology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Additional file 4: Supplementary Table S3. A word document of Supplementary Table S3. (DOC 36 KB)
МЕЖДУНАРОЖНАЯ ВАЛЮТНАЯ ПОЛИТИКА И ПУТИ СНИЖЕНИЯ ЕЕ НЕГАТИВНОГО ВЛИЯНИЯ НА ФИНАНСОВЫЙ РЫНОК УЗБЕКИСТАНА
Creators: name: Насруллаев, Ахмад
Publisher: name: Zenodo
Year: 2025

description: В данной работе исследуется влияние международной валютной политики на финансовый рынок Узбекистана. Особое внимание уделяется анализу колебаний валютных курсов и внешних экономических факторов, которые влияют на экономику страны. В рамках работы рассматриваются возможные пути минимизации негативного воздействия этих факторов, включая усиление роли Центрального банка, использование финансовых инструментов для хеджирования рисков и создание стабильной внутренней финансовой системы.
Quantum depinning of a pancake-vortex from a columnar defect
Creators: name: Gorokhov, D. A.
name: Blatter, G.
Publisher: name: arXiv
Year: 1998
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider the problem of the depinning of a weakly driven ($F\ll F_{c}$) pancake vortex from a columnar defect in a Josephson-coupled superconductor, where $F$ denotes the force acting on the vortex ($F_{c}$ is the critical force). The dynamics of the vortex is supposed to be of the Hall type. The Euclidean action $S_{Eucl}(T)$ is calculated in the entire temperature range; the result is universal and does not depend on the detailed form of the pinning potential. We show that the transition from quantum to classical behavior is second-order like with the temperature $T_{c}$ of the transition scaling like $F^{{4}/{3}}.$ Special attention is paid to the regime of applicability of our results, in particular, the influence of the large vortex mass appearing in the superclean limit is discussed.
description: 11 pages, RevTeX, 4 figures inserted
ITEM 2: Worktown Archive Research Timeline
Creators: name: Edge, Caroline Rachel Alexandra
Publisher: name: University of Salford
Year: 2019
Subjects: classificationCode: 360604
subject: Photography, video and lens-based practice
classificationCode: 360102
subject: Art history
classificationCode: 360103
subject: Art theory
classificationCode: 360104
subject: Visual cultures

description: Research timeline for Worktown Archive project (2009-2017)
Water uptake/release by hydrates as source of hygrothermic coefficients and thermal expansion of cement paste
Creators: name: biot-bazant, figshare admin
name: Wang, Hui
name: Hellmich, Christian
name: Yuan, Yong
name: Mang, Herbert
name: Pichler, Bernhard
Publisher: name: The Biot-Bazant Conference
Year: 2021
Subjects: subject: 30607 Transport Properties and Non-equilibrium Processes
subject: FOS: Chemical sciences
subject: 90503 Construction Materials
subject: FOS: Civil engineering

description: This publication is part of the proceedings of the Biot-Bažant Conference on Engineering Mechanics and Physics of Porous Materials, which took place virtually on June 1-3, 2021. It contains a one-page abstract and the video of the talk that was given at the conference.
Composition Susceptibility and the Role of One, Two and Three Body Interactions in Glass Forming Alloys: Cu$_{50}$Zr$_{50}$ vs Ni$_{50}$Al$_{50}$
Creators: name: Tang, Chunguang
name: Harrowell, Peter
Publisher: name: arXiv
Year: 2019
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In this paper we compare the composition fluctuations and interaction potentials of a good metallic glass former, Cu$_{50}$Zr$_{50}$, and a poor glass former, Ni$_{50}$Al$_{50}$. The Bhatia-Thornton correlations functions are calculated. Inspired by the observation of chemical ordering at the NiAl surface, we derive a new property, R$_{cn}$( q ), corresponding to linear susceptibility of concentration to a perturbation in density. We present a direct comparison of the potentials for the two model alloys, using a 2nd order density expansion, establish that the one body energy plays a crucial role in stabilizing the crystal relative to the liquid in both alloys but that the three body contribution to the heat of fusion is significantly larger in NiAl that CuZr.
Bolton Worktown Digital Archive
Creators: name: Edge, Caroline Rachel Alexandra
Publisher: name: University of Salford
Year: 2019
Subjects: classificationCode: 440199
subject: Anthropology not elsewhere classified
classificationCode: 360604
subject: Photography, video and lens-based practice
classificationCode: 360602
subject: Fine arts
classificationCode: 360102
subject: Art history
classificationCode: 360101
subject: Art criticism
classificationCode: 360103
subject: Art theory
classificationCode: 360104
subject: Visual cultures

description: This digital archive developed in partnership with Perry Bonewell (Bolton Museum) made all Humphrey Spender’s Worktown photographs available to the public for the first time. The site enables the local community to contribute to the ongoing documentation of the archive. The site has had over 40,000 unique visits to date and has altered the types of loan requests made by national and international institutions, demonstrating a more nuanced interpretation of the Worktown photographs beginning to emerge.
Black Hole Thermodynamics and Two-Dimensional Dilaton Gravity Theory
Creators: name: Youm, Donam
Publisher: name: arXiv
Year: 1999
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We relate various black hole solutions in the near-horizon region to black hole solutions in two-dimensional dilaton gravity theories in order to argue that thermodynamics of black holes in D>=4 can be effectively described by thermodynamics of black holes in two-dimensional dilaton gravity theories. We show that the Bekenstein-Hawking entropies of single-charged dilatonic black holes and dilatonic p-branes with an arbitrary dilaton coupling parameter in arbitrary spacetime dimensions are exactly reproduced by the Bekenstein-Hawking entropy of the two-dimensional black hole in the associated two-dimensional dilaton gravity model. We comment that thermodynamics of non-extreme stringy four-dimensional black hole with four charges and five-dimensional black hole with three charges may be effectively described by thermodynamics of the black hole solutions with constant dilaton field in two-dimensional dilaton gravity theories.
description: 15 pages, LaTeX, added references