cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
On the occurrence of mass inflation for the Einstein-Maxwell-scalar field system with a cosmological constant and an exponential Price law
Creators: name: Costa, João L.
name: Girão, Pedro M.
name: Natário, José
name: Silva, Jorge Drumond
Publisher: name: arXiv
Year: 2017
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: Primary 83C05, Secondary 35Q76, 83C22, 83C57, 83C75

description: In this paper we study the spherically symmetric characteristic initial data problem for the Einstein-Maxwell-scalar field system with a positive cosmological constant in the interior of a black hole, assuming an exponential Price law along the event horizon. More precisely, we construct open sets of characteristic data which, on the outgoing initial null hypersurface (taken to be the event horizon), converges exponentially to a reference Reissner-Nördstrom black hole at infinity. We prove the stability of the radius function at the Cauchy horizon, and show that, depending on the decay rate of the initial data, mass inflation may or may not occur. In the latter case, we find that the solution can be extended across the Cauchy horizon with continuous metric and Christoffel symbols in $L^2_{\rm loc}$, thus violating the Christodoulou-Chruściel version of strong cosmic censorship.
description: 51 pages, 6 figures; matches final published version; v3: corrected a typo in equation (13)
A PCA-based approach for subtracting thermal background emission in high-contrast imaging data
Creators: name: Hunziker, Silvan
name: Quanz, Sascha P.
name: Amara, Adam
name: Meyer, Michael R.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Ground-based observations at thermal infrared wavelengths suffer from large background radiation due to the sky, telescope and warm surfaces in the instrument. This significantly limits the sensitivity of ground-based observations at wavelengths longer than 3 microns. We analyzed this background emission in infrared high contrast imaging data, show how it can be modelled and subtracted and demonstrate that it can improve the detection of faint sources, such as exoplanets. We applied principal component analysis to model and subtract the thermal background emission in three archival high contrast angular differential imaging datasets in the M and L filter. We describe how the algorithm works and explain how it can be applied. The results of the background subtraction are compared to the results from a conventional mean background subtraction scheme. Finally, both methods for background subtraction are also compared by performing complete data reductions. We analyze the results from the M dataset of HD100546 qualitatively. For the M band dataset of beta Pic and the L band dataset of HD169142, which was obtained with an annular groove phase mask vortex vector coronagraph, we also calculate and analyze the achieved signal to noise (S/N). We show that applying PCA is an effective way to remove spatially and temporarily varying thermal background emission down to close to the background limit. The procedure also proves to be very successful at reconstructing the background that is hidden behind the PSF. In the complete data reductions, we find at least qualitative improvements for HD100546 and HD169142, however, we fail to find a significant increase in S/N of beta Pic b. We discuss these findings and argue that in particular datasets with strongly varying observing conditions or infrequently sampled sky background will benefit from the new approach.
description: 12 pages, 17 figures, 1 table, Accepted for publication in A&A
Spiked sample covariance matrices with possibly multiple bulk components
Creators: name: Ding, Xiucai
Publisher: name: arXiv
Year: 2017
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: In this paper, we study the convergent limits and rates of the eigenvalues and eigenvectors for spiked sample covariance matrices whose spectrum can have multiple bulk components. Our model is an extension of Johnstone's spiked covariance matrix model. Based on our results, we can extend many statistical applications based on Johnstone's spiked covariance matrix model.
Hamiltonian structure of peakons as weak solutions for the modified Camassa-Holm equation
Creators: name: Anco, Stephen C.
name: Kraus, Daniel
Publisher: name: arXiv
Year: 2017
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The modified Camassa-Holm (mCH) equation is a bi-Hamiltonian system possessing $N$-peakon weak solutions, for all $N\geq 1$, in the setting of an integral formulation which is used in analysis for studying local well-posedness, global existence, and wave breaking for non-peakon solutions. Unlike the original Camassa-Holm equation, the two Hamiltonians of the mCH equation do not reduce to conserved integrals (constants of motion) for $2$-peakon weak solutions. This perplexing situation is addressed here by finding an explicit conserved integral for $N$-peakon weak solutions for all $N\geq 2$. When $N$ is even, the conserved integral is shown to provide a Hamiltonian structure with the use of a natural Poisson bracket that arises from reduction of one of the Hamiltonian structures of the mCH equation. But when $N$ is odd, the Hamiltonian equations of motion arising from the conserved integral using this Poisson bracket are found to differ from the dynamical equations for the mCH $N$-peakon weak solutions. Moreover, the lack of conservation of the two Hamiltonians of the mCH equation when they are reduced to $2$-peakon weak solutions is shown to extend to $N$-peakon weak solutions for all $N\geq 2$. The connection between this loss of integrability structure and related work by Chang and Szmigielski on the Lax pair for the mCH equation is discussed.
description: Minor errata in Eqns. (32) to (34) and Lemma 1 have been fixed
title: 01_1812
Creators: name: Wesley Baldwin, John
name: Baldwin, John W.
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2018
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: L'ensemble de ces notes ont été crée par John Baldwin lors d'une de ses premières périodes de résidence à Paris. Ces documents comprennent tous les magistri qu’il avait pu rencontrer dans ses sources. Aux XIIème et XIIIème siècles, les universités n'existant pas encore, le titre de magister s'il évoque certainement une compétence n'est pas rattaché de façon systématique au passage par les écoles. De surcroît, les magistris sont le plus souvent désignés par leur seul prénom. La lecture de ces données est donc difficile et suppose un long travail pour tenter d'identifier un individu auquel on pourrait rattacher plusieurs mentions. John Baldwin avait donc renoncé à utiliser ces données pour donner un prolongement à sa magnifique étude sur les gradués d'université et leur emploi par les Capétiens et les Plantagenêts. Néanmoins, il a conservé ces données et elles sont potentiellement très utile dans le cadre de Studium, comme le sont toutes les mentions dans les volumes des Fasti Ecclesiae Gallicanae de chanoines portant ce titre de magister sans autres précisions. L'ampleur des dépouillements rend ces données très utiles et nous devons une grande reconnaissance à John Baldwin pour avoir pris la peine de faire photocopier ses fiches et de nous les avoir transmises amicalement.
Les données ainsi que les images des fiches sont accessibles sur le site Internet à l'adresse suivante : http://studium-baldwin.lamop.fr/.
Les transcriptions des fiches ont été effectuées par des étudiants de Paris 1 Panthéon - Sorbonne mais elles n'ont pas été corrigées par la suite.
description: Relation: https://lamop.hypotheses.org/
Cosmological constraints on the gas depletion factor in galaxy clusters
Creators: name: Holanda, R. F. L.
name: Busti, V. C.
name: Gonzalez, J. E.
name: Andrade-Santos, F.
name: Alcaniz, J. S.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The evolution of the X-ray emitting gas mass fraction ($f_{gas}$) in massive galaxy clusters can be used as an independent cosmological tool to probe the expansion history of the Universe. Its use, however, depends upon a crucial quantity, i.e., the depletion factor $γ$, which corresponds to the ratio by which $f_{gas}$ is depleted with respect to the universal baryonic mean. This quantity is not directly observed and hydrodynamical simulations performed in a specific cosmological model (e.g., a flat $Λ$CDM cosmology) have been used to calibrate it. In this work, we obtain for the first time self-consistent observational constraints on the gas depletion factor combining 40 X-ray emitting gas mass fraction measurements and luminosity distance measurements from type Ia supernovae. Using Gaussian Processes to reconstruct a possible redshift evolution of $γ$, we find no evidence for such evolution, which confirms the current results from hydrodynamical simulations. Moreover, our constraints on $γ$ can be seen as a data prior for cosmological analyses on different cosmological models. The current measurements are systematic limited, so future improvements will depend heavily on a better mass calibration of galaxy clusters and their measured density profiles.
description: 7 pages, 2 figure, 1 table, JCAP Accepted
On Baire Measurable Colorings of Group Actions
Creators: name: Bernshteyn, Anton
Publisher: name: arXiv
Year: 2017
Subjects: subject: Logic (math.LO)
subject: Combinatorics (math.CO)
subject: Dynamical Systems (math.DS)
subject: General Topology (math.GN)
subject: FOS: Mathematics

description: The field of descriptive combinatorics investigates the question, to what extent can classical combinatorial results and techniques be made topologically or measure-theoretically well-behaved? This paper examines a class of coloring problems induced by actions of countable groups on Polish spaces, with the requirement that the desired coloring be Baire measurable. We show that the set of all such coloring problems that admit a Baire measurable solution for a particular free action $α$ is complete analytic (apart from the trivial situation when the orbit equivalence relation induced by $α$ is smooth on a comeager set); this result confirms the "hardness" of finding a topologically well-behaved coloring. When $α$ is the shift action, we characterize the class of problems for which $α$ has a Baire measurable coloring in purely combinatorial terms; it turns out that closely related concepts have already been studied in graph theory with no relation to descriptive set theory. We remark that our framework permits a wholly dynamical interpretation (with colorings corresponding to equivariant maps to a given subshift), so this article can also be viewed as a contribution to generic dynamics.
description: 22 pages
Subdivisional spaces and graph braid groups
Creators: name: An, Byung Hee
name: Drummond-Cole, Gabriel C.
name: Knudsen, Ben
Publisher: name: arXiv
Year: 2017
Subjects: subject: Algebraic Topology (math.AT)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: We study the problem of computing the homology of the configuration spaces of a finite cell complex $X$. We proceed by viewing $X$, together with its subdivisions, as a subdivisional space--a kind of diagram object in a category of cell complexes. After developing a version of Morse theory for subdivisional spaces, we decompose $X$ and show that the homology of the configuration spaces of $X$ is computed by the derived tensor product of the Morse complexes of the pieces of the decomposition, an analogue of the monoidal excision property of factorization homology. Applying this theory to the configuration spaces of a graph, we recover a cellular chain model due to Świątkowski. Our method of deriving this model enhances it with various convenient functorialities, exact sequences, and module structures, which we exploit in numerous computations, old and new.
description: 71 pages, 15 figures. Typo fixed. May differ slightly from version published in Documenta Mathematica
Resolution of singularities and geometric proofs of the Lojasiewicz inequalities
Creators: name: Feehan, Paul M. N.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Differential Geometry (math.DG)
subject: Algebraic Geometry (math.AG)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: The Lojasiewicz inequalities for real analytic functions on Euclidean space were first proved by Stanislaw Lojasiewicz (1965) using methods of semianalytic and subanalytic sets, arguments later simplified by Bierstone and Milman (1988). In this article, we first give an elementary geometric, coordinate-based proof of the Lojasiewicz inequalities in the special case where the function is $C^1$ with simple normal crossings. We then prove, partly following Bierstone and Milman (1997) and using resolution of singularities for real analytic varieties, that the gradient inequality for an arbitrary real or complex analytic function follows from the special case where it has simple normal crossings. In addition, we prove the Lojasiewicz inequalities when a function is $C^N$ and generalized Morse-Bott of order $N \geq 3$; we gave an elementary proof of the Lojasiewicz inequalities when a function is $C^2$ and Morse-Bott in arXiv:1708.09775v4 (finite-dimensional case) and arXiv:1706.09349 (infinite-dimensional case).
description: 28 pages, incorporating final galley proof corrections
Recovering Structured Data From Superimposed Non-Linear Measurements
Creators: name: Genzel, Martin
name: Jung, Peter
Publisher: name: arXiv
Year: 2017
Subjects: subject: Information Theory (cs.IT)
subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: This work deals with the problem of distributed data acquisition under non-linear communication constraints. More specifically, we consider a model setup where $M$ distributed nodes take individual measurements of an unknown structured source vector $x_0 \in \mathbb{R}^n$, communicating their readings simultaneously to a central receiver. Since this procedure involves collisions and is usually imperfect, the receiver measures a superposition of non-linearly distorted signals. In a first step, we will show that an $s$-sparse vector $x_0$ can be successfully recovered from $O(s \cdot\log(2n/s))$ of such superimposed measurements, using a traditional Lasso estimator that does not rely on any knowledge about the non-linear corruptions. This direct method however fails to work for several "uncalibrated" system configurations. These blind reconstruction tasks can be easily handled with the $\ell^{1,2}$-Group-Lasso, but coming along with an increased sampling rate of $O(s\cdot \max\{M, \log(2n/s) \})$ observations - in fact, the purpose of this lifting strategy is to extend a certain class of bilinear inverse problems to non-linear acquisition. Our two algorithmic approaches are a special instance of a more abstract framework which includes sub-Gaussian measurement designs as well as general (convex) structural constraints. These results are of independent interest for various recovery and learning tasks, as they apply to arbitrary non-linear observation models. Finally, to illustrate the practical scope of our theoretical findings, an application to wireless sensor networks is discussed, which actually serves as the prototypical example of our methodology.
title: ADCO, Cartulaire de Cîteaux dit Cartularium Vetus (milieu XIIIe siècle) et Notices du XIIe siècle, Cart. 169 (11 H 63), f. 0044v
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2011
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris

description: Cartulaire de Cîteaux dit Cartularium Vetus (milieu XIIIe siècle) et Notices du XIIe siècle, Archives départementales de la Côte-d'Or, Cart. 169 (11 H 63), f. 0044v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Cartulaire de Cîteaux dit Cartularium Vetus (milieu XIIIe siècle) et Notices du XIIe siècle, Archives départementales de la Côte-d'Or, Cart. 169 (11 H 63), f. 0044v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Cyclotomic analogues of finite multiple zeta values
Creators: name: Bachmann, Henrik
name: Takeyama, Yoshihiro
name: Tasaka, Koji
Publisher: name: arXiv
Year: 2017
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11M32, 11R18, 05A30

description: We introduce the notion of finite multiple harmonic q-series at a primitive root of unity and show that these specialize to the finite multiple zeta value (FMZV) and the symmetrized multiple zeta value (SMZV) through an algebraic and analytic operation, respectively. Further, we obtain families of linear relations among these series which induce linear relations among FMZVs and SMZVs of the same form. This gives evidence towards a conjecture of Kaneko and Zagier relating FMZVs and SMZVs. Motivated by the above results, we define cyclotomic analogues of FMZVs, which conjecturally generate a vector space of the same dimension as that spanned by the finite multiple harmonic q-series at a primitive root of unity of sufficiently large degree.
description: 23 pages
title: Παράλληλα συστήματα και προγραμματισμός
Creators: name: Dimakopoulos, Vassilios
Publisher: name: Kallipos, Open Academic Editions
Year: 2016
Subjects: ΠΑΡΑΛΛΗΛΑ ΣΥΣΤΗΜΑΤΑ
ΠΡΟΓΡΑΜΜΑΤΙΣΜΟΣ
ΛΟΓΙΣΜΙΚΟ
ΑΡΧΙΤΕΚΤΟΝΙΚΗ ΥΠΟΛΟΓΙΣΤΩΝ
ΣΥΣΤΗΜΑΤΑ ΥΨΗΛΩΝ ΕΠΙΔΟΣΕΩΝ
ΠΟΛΥΠΥΡΗΝΑ ΣΥΣΤΗΜΑΤΑ
Parallel Systems
Programming
Software
Computer Architecture
High Performance Systems
Multicore Systems

description: Το βιβλίο αυτό απευθύνεται σε προπτυχιακούς και μεταπτυχιακούς φοιτητές τμημάτων Πληροφορικής, Μηχανικών Ηλεκτρονικών Υπολογιστών και παρεμφερών γνωστικών αντικειμένων. Τα θέματα που πραγματεύεται είναι άκρως επίκαιρα και αφορούν τους σύγχρονους παράλληλους / πολυπύρηνους υπολογιστές οι οποίοι πλέον αποτελούν σχεδόν τον μοναδικό τύπο υπολογιστή, είτε γενικού είτε ειδικού σκοπού.

 Εκτός από τους παραπάνω φοιτητές, το βιβλίο μπορεί να χρησιμοποιηθεί και από αναγνώστες / επαγγελματίες / επιστήμονες που έχουν γενικότερη παιδεία στους υπολογιστές και την πληροφορική αλλά ελάχιστη έκθεση στην νέα αυτή τεχνολογία, καθώς το βιβλίο θα είναι σε μεγάλο βαθμό αύταρκες στις έννοιες που καλύπτει.

 Το βιβλίο στοχεύει να καλύψει δύο μεγάλα ζητήματα που αφορούν στα παράλληλα υπολογιστικά συστήματα υψηλών επιδόσεων:

 (1) Την αρχιτεκτονική / οργάνωσή τους.
 Ο αναγνώστης θα είναι σε θέση να αναγνωρίζει τον τρόπο με τον οποίο λειτουργεί ένα τέτοιο σύστημα, πώς διασυνδέονται οι δομικές μονάδες του, ποια προβλήματα πρέπει να λυθούν κατά την σχεδίασή τους καθώς και ποιες είναι οι εναλλακτικές λύσεις.
 Στο πλαίσιο αυτό, καλύπτονται τα συστήματα πολυεπεξεργαστών κοινόχρηστης μνήμης, τα πολυπύρηνα συστήματα (multicores), οι υπολογιστικές συστάδες (clusters) καθώς και πολύ σύγχρονες αρχιτεκτονικές όπως αυτές των επιταχυντών (accelerators).

 (2) Τον προγραμματισμό τους.
 Ο αναγνώστης θα γνωρίσει και θα χρησιμοποιήσει τα δημοφιλέστερα μοντέλα / γλώσσες για τον προγραμματισμό των παράλληλων υπολογιστών. Καλύπτονται όλα τα ευρέως χρησιμοποιούμενα μοντελα, όπως τα νήματα POSIX και το πρότυπο OpenMP για προγραμματισμό κοινόχρηστης μνήμης, αλλά και το MPI για μεταβίβαση μηνυμάτων.
Kelvin-Helmholtz instability of the Dirac fluid of charge carriers on graphene
Creators: name: Coelho, Rodrigo C. V.
name: Mendoza, Miller
name: Doria, Mauro M.
name: Herrmann, Hans J.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Computational Physics (physics.comp-ph)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We provide numerical evidence that a Kelvin-Helmholtz instability occurs in the Dirac fluid of electrons in graphene and can be detected in current experiments. This instability appears for electrons in the viscous regime passing though a micrometer-scale obstacle and affects measurements on the time scale of nanoseconds. A possible realization with a needle-shaped obstacle is proposed to produce and detect this instability by measuring the electric potential difference between contact points located before and after the obstacle. We also show that, for our setup, the Kelvin-Helmholtz instability leads to the formation of whirlpools similar to the ones reported in Bandurin et al. [Science 351, 1055 (2016)]. To perform the simulations, we develop a lattice Boltzmann method able to recover the full dissipation in a fluid of massless particles.
description: 12 pages, 12 figures
Subacute inhalation toxicity study of synthetic amorphous silica nanoparticles in Sprague-Dawley rats
Creators: name: Shin, Jae Hoon
name: Jeon, KiSoo
name: Kim, Jin Kwon
name: Younghun Kim
name: Jo, Mi Seong
name: Lee, Jong Seong
name: Baek, Jin Ee
name: Park, Hye Seon
name: An, Hyo Jin
name: Park, Jung Duck
name: Kangho Ahn
name: Oh, Seung Min
name: Yu, Il Je
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Synthetic amorphous silica nanoparticles (SiNPs) are one of the most applied nanomaterials and are widely used in a broad variety of industrial and biomedical fields. However, no recent long-term inhalation studies evaluating the toxicity of SiNPs are available and results of acute studies are limited. Thus, we conducted a subacute inhalation toxicity study of SiNPs in Sprague-Dawley rats using a nose-only inhalation system. Rats were separated into four groups and target concentrations selected in this study were as follows: control (fresh air), low- (0.407 ± 0.066 mg/m3), middle- (1.439 ± 0.177 mg/m3) and high-concentration group (5.386 ± 0.729 mg/m3), respectively. The rats were exposed to SiNPs for four consecutive weeks (6 hr/day, 5 days/week) except for control group of rats which received filtered fresh air. After 28-days of inhalation exposure to SiNPs, rats were sacrificed after recovery periods of one, seven and 28 days. Although there were minimal toxic changes such as temporary decrease of body weight after exposure, increased levels of red blood cells (RBCs) and hemoglobin (Hb) concentration, the lung histopathological findings and inflammatory markers in bronchoalveolar lavage (BAL) fluid including polymorphonuclear (PMN) leukocyte, lactate dehydrogenase (LDH), albumin and protein did not show significant changes at any recovery period. The results of this study suggest that the subacute inhalation of SiNPs had no toxic effects on the lung of rats at the concentrations and selected time points used in this study.
title: GC. 10.2.3 - Cours de philosophie
Creators: name: Canguilhem, Georges (1904-1995)
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020

description: created: start=1934;end=1935
title: An across scale comparative morphological analysis Mapping  the landscape structure of Lingnan and Jiangnan
Creators: name: Cai, Jiaxiu
name: Lin, Xiaoyu
name: Liu, Hanlu
name: Liang, Xinying
name: Lin, Yuxin
name: Wang, Qi
Publisher: name: Conference Proceedings  XXIX International Seminar on Urban Form ISUF 2022 Urban Redevelopment and Revitalisation A Multidisciplinary Perspective/ Lodz University of Technology Press
Year: 2023
Subjects: Morphological analysis, Cross scale, Mapping, Landscape structure of Lingnan and Jiangnan.

description: Urban landscape is a complex system. The understanding of the underlying mechanism of each subsystem and their dynamic interaction is quite crucial for human intervention regarding future development. This requires a systematic scientific approach. A cross scale analytical framework is processed which integrates the Dutch morphological school technique – reduction drawing and layer approach to systematically interpret the urban landscape. In order to exemplify the potential and the generic property of the approach, the research applies heterogeneous case study. Explorative analyses are performed on two cases in different regions in China. The production landscape in Pearl River Delta and Tai Lake region are mapped on geography, landscape, settlement, and architecture and public space scale respectively. Their form and formation are discussed with the maps. Comparison regarding the form of the water, pond, difference of typologies, and the scale and form of the settlements are made. Research shows the dependence and interrelation between scales. The author believes that mapping is an effective analytical and design process as well as well-presented products. The logic of the complex space and design strategies reveals itself along the process. The cross-scale mapping facilitates a comprehensive understanding of urban landscape. It is a prerequisite of design.
Grilliot's trick in Nonstandard Analysis
Creators: name: Sanders, Sam
Publisher: name: arXiv
Year: 2017
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: The technique known as Grilliot's trick constitutes a template for explicitly defining the Turing jump functional $(\exists^2)$ in terms of a given effectively discontinuous type two functional. In this paper, we discuss the standard extensionality trick: a technique similar to Grilliot's trick in Nonstandard Analysis. This nonstandard trick proceeds by deriving from the existence of certain nonstandard discontinuous functionals, the Transfer principle from Nonstandard analysis limited to $Π_1^0$-formulas; from this (generally ineffective) implication, we obtain an effective implication expressing the Turing jump functional in terms of a discontinuous functional (and no longer involving Nonstandard Analysis). The advantage of our nonstandard approach is that one obtains effective content without paying attention to effective content. We also discuss a new class of functionals which all seem to fall outside the established categories. These functionals directly derive from the Standard Part axiom of Nonstandard Analysis.
description: 21 pages
A Finite Element Modeling Study of the Turkish Straits System
Creators: name: Gürses, Özgür
name: Aydogdu, Ali
name: Pinardi, Nadia
name: Özsoy, Emin
Publisher: name: figshare
Year: 2018
Subjects: subject: Oceanography
subject: FOS: Earth and related environmental sciences
subject: Geophysics

description: This book chapter describes the implementation of an unstructured mesh model of the Turkish Straits System
Transcriptions.pdf
Creators: name: Luche Tadesse Ejeta
Publisher: name: figshare
Year: 2018
Subjects: subject: 110305 Emergency Medicine
subject: FOS: Clinical medicine
subject: 111708 Health and Community Services
subject: FOS: Health sciences
subject: 111717 Primary Health Care

description: Transcriptions of two focus groups' discussions translated from local language to English.
ORTOPRDIK STOMATOLOGIYADA ISHLATILADIGAN TURLI QOLIP OLUVCHI XOM-ASHYOLARNING AFZALLIKLARI VA KAMCHILIKLARI.
Creators: name: Axmadov, Inomjon
Publisher: name: Zenodo
Year: 2024

description: Texnologiyalar va ularning orqasida texnika va metodlar faol rivojlanmoqda va tom ma'noda hali ham iloji boricha konservativ bo'lgan stomatologiyaga ham kirib kelmoqda. Ushbu maqolada turli xil qolip olish usullarining kamchiliklari va afzalliklari tasvirlangan.
Thermal stability of carbon [n,5] prismanes (n = 2–4): a molecular dynamics study
Creators: name: Katin, Konstantin P.
name: Maslov, Mikhail M.
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: Computational Biology

description: Tight-binding molecular dynamics simulations are carried out to analyse the thermal stability of the carbon [n,5] prismanes with n = 2–4 over a wide temperature range. The results obtained demonstrate that the isomerisation activation energy as well as the frequency factor in the Arrhenius equation of these metastable nanostructures rapidly decreases with an increase of n. Therefore, the increase in the effective length of [n,5] prismane leads to the decrease in its lifetime up to the moment of its isomerisation. Nevertheless, the stability of [n,5] prismanes is confirmed to be sufficient for their existence at the liquid-nitrogen temperature. The main identified mechanism of [n,5] prismanes isomerisation is the interlayer C–C bond breaking leading to their transformation to the hypostrophene-based molecular systems.
Forecasting Shifts in Asset Returns under Different Types of Uncertainty: An Experiment
Creators: name: Payzan-LeNestour, Elise
name: Tang, Qihe
name: Yunshen Yang
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Life Sciences
subject: Social and Behavioral Sciences
subject: Business
subject: Decision making under uncertainty
subject: Forecasting
subject: Neurofinance

description: The finance community has recently realized that algorithmic trading requires human intervention upon a structural shift such as the COVID-19 pandemic. The algorithms indeed rely on a model of when to buy and sell; they cannot account for events outside the model1. A human must update the model when such shift events occur. A crucial question, therefore, is whether it is possible to help human improve their decisions upon such critical events. Here we set out to study this question by combining mathematical models with an innovative experimental design, bringing together methods from behavioural economics, behavioural finance, and statistics.
Dynamics of drop impact on solid surfaces: evolution of impact force and self-similar spreading
Creators: name: Gordillo, Leonardo
name: Sun, Ting-Pi
name: Cheng, Xiang
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We investigate the dynamics of drop impacts on dry solid surfaces. By synchronising high-speed photography with fast force sensing, we simultaneously measure the temporal evolution of the shape and impact force of impacting drops over a wide range of Reynolds numbers (Re). At high Re, when inertia dominates the impact processes, we show that the early-time evolution of impact force follows a square-root scaling, quantitatively agreeing with a recent self-similar theory. This observation provides direct experimental evidence on the existence of upward propagating self-similar pressure fields during the initial impact of liquid drops at high Re. When viscous forces gradually set in with decreasing Re, we analyse the early-time scaling of the impact force of viscous drops using a perturbation method. The analysis quantitatively matches our experiments and successfully predicts the trends of the maximum impact force and the associated peak time with decreasing Re. Furthermore, we discuss the influence of viscoelasticity on the temporal signature of impact forces. Last but not least, we also investigate the spreading of liquid drops at high Re following the initial impact. Particularly, we find an exact parameter-free self-similar solution for the inertia-driven drop spreading, which quantitatively predicts the height of spreading drops at high Re. The limit of the self-similar approach for drop spreading is also discussed. As such, our study provides a quantitative understanding of the temporal evolution of impact forces across the inertial, viscous and viscoelastic regimes and sheds new light on the self-similar dynamics of drop impact processes.
description: 24 pages, 9 figures, accepted by Journal of Fluid Mechanics
title: ADCO, Comptes du Petit-Cîteaux (1477-1491) (11 H 1179), f. 00178
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CBMA/CG21/F.PETOT/2019
name: Petot, Frédéric
name: Archives Départementales De La Côte-D'Or
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: cartulaire
subject: comptes

description: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Comptes du Petit-Cîteaux (1477-1491), Archives départementales de la Côte-d'Or, (11 H 1179), f. 00178, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https://manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
Neue Environmental Barrier Coatings für SiC/SiC-Faserverbundwerkstoffe durch PVD-Technologien
Creators: name: Leisner, Vito
Publisher: name: Karlsruhe
Year: 2020
Subjects: Environmental Barrier Coating
EBC
sputtering
reactive sputtering
physical vapor deposition
PVD
rare-earth silicate
ceramic matrix composite
CMC
SiC/SiC-CMC
bond coat
water vapor
oxidation

description: Die Luftfahrtstrategie der Bundesregierung, herausgegeben vom Bundesministerium für Wirtschaft und Energie im Jahr 2014, stellt für die „Zukunftsfähigkeit des Luftverkehrs“ heraus, dass hierfür „in hohem Maße die Umweltverträglichkeit und Ressourcenschonung ausschlaggebend“ seien. Diese Ziele wurden im Rahmen der erlassenen ACARE (Advisory Council for Aviation Research and Innovation in Europe) Strategiedokumente VISION 2020 (2001) und FLIGHTPATH 2050 (2011) mit konkreten Zahlen belegt. Sie beziehen sich auf ein typisches Neuflugzeug des Jahres 2000. Die CO2-Emissionen sollen demnach bis zum Jahr 2020 um 50 % und bis 2050 um 75 % reduziert werden, einhergehend mit einer NOX-Reduktion von 80 % bzw. 90 %. Um diese ambitionierten Ziele zu erreichen, sind vielfältige Ansätze denkbar und notwendig, etwa im Bereich der Aerodynamik oder im Leichtbau. Das größte Potenzial bieten jedoch die Triebwerke selbst. Deren Effizienz lässt sich wirkungsvoll mit einem erhöhten Nebenstromverhältnis und erhöhten Brennkammertemperaturen steigern. Der Ansatz, der in dieser Arbeit betrachtet wird, zielt auf höhere Brennkammertemperaturen von Flugzeugturbinen ab. Um künftige Flugzeugtriebwerke erheblich effizienter und umweltfreundlicher betreiben zu können, ist die Einführung von nichtoxidischen, keramischen Faserverbundwerkstoffen (Ceramic Matrix Composite – CMC) auf SiC-Basis dringend erforderlich. Die begrenzte Einsatztemperatur aktuell eingesetzter metallischer Werkstoffe von 1150°C übertreffen die CMCs deutlich. Somit erlauben sie den Betrieb bei Werkstofftemperaturen bis zu 1300°C. SiC/SiC-CMCs finden in den neuesten Triebwerksgenerationen, wie dem Leap-X und dem GE9X, zunehmend Eingang. Ein Grund hierfür ist das um zwei Drittel reduzierte Gewicht gegenüber herkömmlichen Nickel-Basislegierungen. Mittelfristig soll das Einsatzgebiet aus temperatur- und versagensunkritischen Bereichen hin zu kritischeren Applikationen, wie Brennkammerbauteilen und Leitschaufeln in der Hochdruckturbine überführt werden. Dazu benötigen SiC/SiC-CMCs für einen zuverlässigen Betrieb Schutzschichten insbesondere gegen Oxidation und schnell strömenden Wasserdampf, da der Werkstoff sonst rapide abgetragen werden würde. Abhilfe kann hier ein Schutzschichtsystem (sog. Environmental Barrier Coating System - EBC) schaffen, mit dem sich diese Arbeit befasst. Ziel dieses Promotionsvorhabens ist die Entwicklung eines möglichst umfassenden Lösungskonzeptes für ein EBC-System. Hierzu werden neue Beschichtungsprozesse für die Herstellung der Schichten entwickelt und die nachträglichen Glühbehandlungen optimiert. Die experimentelle Validierung vollständiger Schichtsysteme sowie die Erarbeitung eines tiefgehenden Verständnisses der zugrunde liegenden mikrostrukturellen und thermochemischen Prozesse bilden weitere Schwerpunkte.
Relational citizenship: Examining Taiwanese membership development through immigrant framing in public discourses
Creators: name: Hsin-I Cheng
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Cancer
subject: Science Policy

description: This essay unpacks how new immigrants and citizenship are framed in public discourse in Taiwan. Since the 1980s, Taiwan has experienced significant demographic changes. As a postcolonial, neoliberal capitalist democracy, imbued with Confucianism and collective interests, Taiwan provides an intriguing case for study. Through analyzing discourses of new immigrants, relational citizenship emerged as a strategy to anchor and authenticate membership in Taiwan. This challenges discussions on belongingness beyond the language of law, economics, and humanitarianism, to address interactions that occur between citizens and im/migrants as interdependent and relational partners. Although the concept of relational citizenship is culturally specific, it may also be applied to other societies and contexts.
Development and Characterization of a Synthetic PVC/DEHP Myocardial Tissue Analogue Material for CT Imaging Applications
Creators: name: Ramadan, Sherif
name: Paul, Narinder
name: Naguib, Hani E.
Publisher: name: Taylor & Francis
Year: 2018
Subjects: subject: Biophysics
subject: Biochemistry
subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Biotechnology
subject: Evolutionary Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Developmental Biology
subject: 111714 Mental Health
subject: FOS: Health sciences

description: A simple myocardial analogue material has great potential to help researchers in the creation of medical CT Imaging phantoms. This work aims to outline a Bis(2-ethylhexyl) phthalate (DEHP) plasticizer/PVC material to achieve this. DEHP-PVC was manufactured in three ratios, 75%, 80%, and 85% DEHP by heating at 110°C for 10 minutes to promote DEHP-PVC binding followed by heating at 150°C to melt the blend. The material was then tested utilizing FTIR, tensile testing, dynamic mechanical analysis and imaged with computed tomography. The FTIR testing finds the presence of C-CL and carbonyl bonds that demonstrate the binding required in this plasticized material. The tensile testing finds a modulus of 180 to 20 kPa that increases with the proportion of plasticizer. The dynamic mechanical analysis finds a linear increase in viscoelastic properties with a storage/loss modulus of 6/.5 to 120/18 kPa. Finally, the CT number of the material increases with higher PVC content from 55 to 144HU. The 80% DEHP-PVC ratio meets the mechanical and CT properties necessary to function as a myocardial tissue analogue.
A Standard Mission Profile for Hybrid-Electric Regional Aircraft based on Web Flight Data
Creators: name: Jux, Benedict
name: Foitzik, Simon
name: Doppelbauer, Martin
Publisher: name: Karlsruhe
Year: 2018
Subjects: Electric aircraft
Mission Profile
Electric Machines
ADS-B

description: To reduce emissions of air traffic, future aircraft will install hybrid-electric propulsion systems. We require the load conditions over the time in service, to design these aircraft. In this paper, we propose a mission profile for a regional aircraft with a hybrid-electric propulsion system. We focused on regional aircraft, which are in service in Ireland and the United Kingdom (UK). The reference aircraft ATR\,72-600 is a turboprop aircraft with a capacity of 70 passengers. To propose a mission profile, we have analyzed more than 6000 flights of four different aircraft of the same type. Input data is provided by online databases, which collect flight data. We are able to show that the maximum available power is needed for about 52 seconds during take-off and climb phase of the flight. The median flight time is 59 minutes and 30 seconds. The average required power is 53\,\% of the maximum power. The average traveled distance is 407\,km, which is less than one third of the aircraft's maximum reach. These findings are needed for calculating the lifetime of drivetrain components of a hybrid or all electric aircraft. In our further work, we will design an electric machine for regional aircraft. This mission profile will be used to design different power train components.
Crystals and monodromy of Bethe vectors
Creators: name: Halacheva, Iva
name: Kamnitzer, Joel
name: Rybnikov, Leonid
name: Weekes, Alex
Publisher: name: arXiv
Year: 2017
Subjects: subject: Representation Theory (math.RT)
subject: Algebraic Geometry (math.AG)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics

description: Fix a semisimple Lie algebra g. Gaudin algebras are commutative algebras acting on tensor product multiplicity spaces for g-representations. These algebras depend on a parameter which is a point in the Deligne-Mumford moduli space of marked stable genus 0 curves. When the parameter is real, then the Gaudin algebra acts with simple spectrum on the tensor product multiplicity space and gives us a basis of eigenvectors. In this paper, we study the monodromy of these eigenvectors as the parameter varies within the real locus; this gives an action of the fundamental group of this moduli space, which is called the cactus group. We prove a conjecture of Etingof which states that the monodromy of eigenvectors for Gaudin algebras agrees with the action of the cactus group on tensor products of g-crystals. In fact, we prove that the coboundary category of normal g-crystals can be reconstructed using the coverings of the moduli spaces. Our main tool is the construction of a crystal structure on the set of eigenvectors for shift of argument algebras, another family of commutative algebras which act on any irreducible g-representation. We also prove that the monodromy of such eigenvectors is given by the internal cactus group action on g-crystals.
description: 66 pages
title: ADCO, Boursier de Cîteaux : comptes (1489-1493) (11 H 1166), f. 00427
Creators: name: de la Côte-d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: Petot, Frédéric
name: CBMA/CG21/F.PETOT/2019
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: comptes

description: Boursier de Cîteaux : comptes (1489-1493), Archives départementales de la Côte-d'Or, (11 H 1166). Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Boursier de Cîteaux : comptes (1489-1493), Archives départementales de la Côte-d'Or, (11 H 1166), f. 00427, in Projet CBMA - Corpus Burgundiae Medii Aevi \[Ressource en ligne\], https:// manuscrits.cbma-project.eu/
description: Provenance: https://www.geonames.org/3024876
description: Provenance: http://www.idref.fr/030974844/id
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb12228351v
description: Provenance: abbaye de Cîteaux
description: Provenance: http://www.wikidata.org/entity/Q843261
HIERARCHICAL VAE BASED SEMANTIC COMMUNICATIONS FOR POMDP TASKS
Creators: Wenhui Hua
Publisher: name: IEEE Signal Processing Society
Year: 2024

description: Partially Observable Markov Decision Process (POMDP) is a general framework for a wide range of control tasks, which can benefit from enabling semantic communicatons among different agents. Semantic communications aim to exchange compact messages that can convey task-relevant information between agents. A critical problem in semantic communication is source representation learning, which is governed by a fundamental tradeoff between compactness and sufficiency. Such a tradeoff is still underinvestigated in the context of POMDP. In this paper, we propose HVRL - Hierarchical Variational autoencoders for Reinforcement Learning. Experiments show that our method can effectively balance the pursuit of compactness and sufficiency, thereby learning enough information for decision and mitigates the risk of over-abstraction in the observation space. This approach effectively encodes the endogenous semantic information about the observation itself, and shows good sample efficiency and control performance.