cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Diatoms From the Modelo Formation (Upper Miocene) Near Girard, Los Angeles County, California
Creators: name: Lohman, Kenneth Elmo
Publisher: name: California Institute of Technology
Year: 1931
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences

description: The abundance of organic shales in the Upper Miocene strata of Southern California and the uncertainty which often has attended the determination of their age, has made a study of the diatoms which they contain desirable. These Upper Miocene shales have been variously mapped as belonging wholly or in part to the Pico, Fernando, Puente, Monterey, and Modelo formations, and it was with the hope of aiding in the clarification of this complex that the present investigation was undertaken. The Upper Miocene is well exposed in many places in Southern California, but seldom are the relations to the underlying formations so well shown as along the North flank of the Santa Monica Mountains in the vicinity of Girard, near the western border of Los Angeles County. Due to numerous road cuts, both for real estate subdivision and for highway purposes, excellent exposures are obtainable across the entire Upper Miocene.

The general locality is indicated on Plate I, which shows Los Angeles County, California, as well as portions of adjacent counties. Plate II, a portion of the Reseda, Calif., and Dry Canyon, Calif., Quadrangles of the United States Geological Survey, shows in more detail the section investigated, as well as the location of the fossil collections.
[Leben und Geschichte von Shah Mhammed Baber, dem Krieger]; [um 1800?]
Creators: name: Padishah Gazi, Zikr Mohammed Baber
Publisher: name: Universitätsbibliothek der Ludwig-Maximilians-Universität München
Year: 2009

description: Entstehungsort: Unbekannt. - Entstehungszeit: Unbekannt
Killing tensors and canonical geometry
Creators: name: Cariglia, M.
name: Gibbons, G. W.
name: van Holten, J. -W.
name: Horvathy, P. A.
name: Kosinski, P.
name: Zhang, P. -M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The systematic derivation of constants of the motion, based on Killing tensors and the gauge covariant approach, is outlined. Quantum dots are shown to support second-, third- and fourth-rank Killing tensors.
description: 14 pages, no figures. v3: Introduction and Conclusion rewritten, new section on algebraic properties and more reference added. Accepted for publication in Classical and Quantum Gravity
title: SUSALPS Conference 2018 - Book of Abstracts: Montane and alpine grasslands under climate change - ways in a sustainable future
Creators: name: Schucknecht, Anne
name: Schneider, Katrin
name: Kiese, Ralf
name: Wiesmeier, Martin
name: Schloter, Michael
name: Jentsch, Anke
name: Köllner, Thomas
name: Dannenmann, Michael
Publisher: name: BonaRes Centre for Soil Research
Year: 2018
Subjects: BonaRes
montane and alpine grasslands
soil organic matter
microbiome
plant diversity and productivity
biogeochemical cycles
remote sensing
ecosystem services
alpine farming

description: From 18 to 20 September 2018, the SUSALPS Conference "Montane and alpine grasslands under climate change – ways in a sustainable future" was held in Garmisch-Partenkirchen, Germany. More than 60 participants from nine nations attended the conference. The event covered a broad scope and offered the opportunity to discuss both fundamental research and practical approaches in grassland management. At the conference's closing day, ex-cursions took place to the SUSALPS experimental areas in Fendt and on the Brunnenkopfalm. This publication provides the abstracts of all oral and poster presentations.
URBAN LIFE REFLECTED IN PHRASEOLOGY: A COMPARATIVE STUDY OF URBAN COMPONENTS IN IDIOMATIC EXPRESSIONS
Creators: name: Matyakubov, Jumanazar
name: Shamuradova, Surayyo
Publisher: name: Zenodo
Year: 2025

description: This article explores the role of phraseological units (PUs) with urban components in various languages, focusing on how these idiomatic expressions reflect the essence of city life. Through a comparative analysis of English, Russian, French, and Spanish PUs, the study examines how urban environments shape language and, in turn, how language encapsulates the challenges, opportunities, and social realities of city living.
$H$-Surfaces with Arbitrary Topology in Hyperbolic 3-Space
Creators: name: Coskunuzer, Baris
Publisher: name: arXiv
Year: 2013
Subjects: subject: Differential Geometry (math.DG)
subject: Geometric Topology (math.GT)
subject: FOS: Mathematics
subject: 53A10, 57M50

description: In this paper, we show that any open orientable surface S can be properly embedded in H^3 as a minimizing H-surface for any 0<=H<1. We obtained this result by proving a version of the bridge principle at infinity for H-surfaces. We also show that any open orientable surface S can be nonproperly embedded in H^3 as a minimal surface, too.
description: 28 pages, 9 figures
title: Crowdsourced tsunami and sound observations in Aotearoa New Zealand following the Hunga Tonga-Hunga Ha'apai (HTHH) eruption on 15 January 2022
Creators: name: Lawson, Rachel V.
name: Potter, Sally H.
name: Harrison, Sara E
name: Clive, Mary Anne
name: Charlton, Danielle H.
name: Burbidge, David R.
name: Kilgour, Geoff N.
name: Magill, Christina R.
Publisher: name: GNS Science
Year: 2023

description: Instrumental records from coastal gauges, DART: Deep-ocean Assessment and Reporting of Tsunamis buoys, meteorological stations and post-event damage surveys are being used to shape our understanding of the physical processes associated with the eruption and associated tsunami, such as pressure changes, acoustic signals and tsunami wave arrival times. However, there is a need for more holistic understanding of how people in Aotearoa New Zealand understand, and experience tsunami hazard, in order to improve warnings and increase preparedness. On 15 January 2022, social media and news reports described booming and explosion noises throughout Aotearoa New Zealand and the Pacific, caused by atmospheric pressure waves from the eruption of Hunga-Tonga Hunga Ha’Apai volcano, Tonga. In response to this historic and complex event, a team of tsunami, volcano, and social scientists at GNS Science designed a survey to broaden our documentation of the event beyond the physical processes, and to promote public engagement with science. We sought to understand the spatial and temporal distribution of sound and tsunami observations using crowdsourced geospatial data, allowing the public to participate and report experiences. The survey was launched online from 21 January to 13 February 2022. Thirty-nine questions were posed to the public, asking about location, time, water colour, smells, damage to the built/natural environments and number of surges/booms observed. Respondents provided images and videos displaying impacted coastlines, flooded campgrounds, coastal erosion, unusual currents and audio of booms. This report summarises the results of this survey based on the anonymised responses from over 2,000 individuals. (The authors)
On equivalence relations induced by Polish groups admitting compatible two-sided invariant metrics
Creators: name: Ding, Longyun
name: Zheng, Yang
Publisher: name: arXiv
Year: 2024
Subjects: subject: Logic (math.LO)
subject: FOS: Mathematics
subject: 03E15, 22A05, 22D05, 22E15, 46A16

description: Given a Polish group $G$, let $E(G)$ be the right coset equivalence relation $G^ω/c(G)$, where $c(G)$ is the group of all convergent sequences in $G$. We first established two results:
(1) Let $G,H$ be two Polish groups. If $H$ is TSI but $G$ is not, then $E(G)\not\le_BE(H)$.
(2) Let $G$ be a Polish group. Then the following are equivalent: (a) $G$ is TSI non-archimedean; (b)$E(G)\leq_B E_0^ω$; and (c) $E(G)\leq_B{\mathbb R}^ω/c_0$. In particular, $E(G)\sim_B E_0^ω$ iff $G$ is TSI uncountable non-archimedean.
A critical theorem presented in this article is as follows: Let $G$ be a TSI Polish group, and let $H$ be a closed subgroup of the product of a sequence of TSI strongly NSS Polish groups. If $E(G)\le_BE(H)$, then there exists a continuous homomorphism $S:G_0\rightarrow H$ such that $\ker(S)$ is non-archimedean, where $G_0$ is the connected component of the identity of $G$. The converse holds if $G$ is connected, $S(G)$ is closed in $H$, and the interval $[0,1]$ can be embedded into $H$.
 As its applications, we prove several Rigid theorems for TSI Lie groups, locally compact Polish groups, separable Banach spaces, and separable Fréchet spaces, respectively.
description: 38 pages
On a weighted anisotropic eigenvalue problem
Creators: name: Gavitone, Nunzia
name: Sannipoli, Rossano
Publisher: name: arXiv
Year: 2024
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35B51, 35J62

description: In this paper we deal with a weighted eigenvalue problem for the anisotropic $(p,q)$-Laplacian with Dirichlet boundary conditions. We study the main properties of the first eigenvalue and prove a reverse Hölder type inequality for the corresponding eigenfunctions.
description: 17 pages
Rich representations and superrigidity
Creators: name: Baldi, Gregorio
name: Miller, Nicholas
name: Stover, Matthew
name: Ullmo, Emmanuel
Publisher: name: arXiv
Year: 2024
Subjects: subject: Algebraic Geometry (math.AG)
subject: Dynamical Systems (math.DS)
subject: Geometric Topology (math.GT)
subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: We investigate and compare applications of the Zilber-Pink conjecture and dynamical methods to rigidity problems for arithmetic real and complex hyperbolic lattices. Along the way we obtain new general results about reconstructing a variation of Hodge structure from its typical Hodge locus that may be of independent interest. Applications to Siu's immersion problem are also discussed, the most general of which only requires the hypothesis that infinitely many closed geodesics map to proper totally geodesic subvarieties under the immersion.
description: v2: Minor changes and improvements. v3: Final version to appear in Ergodic Theory Dynam. Systems
Two-Dimensional Sigma Models Related to Non-Abelian Strings in Super-Yang-Mills
Creators: name: Shifman, M.
name: Yung, A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We review diverse two-dimensional models emerging on the world sheet of non-Abelian strings in the low-energy limit. Non-Abelian strings are supported in a class of four-dimensional bulk theories with or without supersymmetry. In supersymmetric bulk theories we are mostly interested in BPS-saturated strings. Some of these two-dimensional models, in particular, heterotic models, were scarcely studied in the past, if at all. Our main emphasis is on the heterotic N=(0,2) models. We describe their large-N solution. We briefly comment on N=(0,1) models although so far they are not obtained on the the world sheet of non-Abelian strings.
description: Dedicated to the 100-th birthday of Isaak Yakovlevich Pomeranchuk. Invited paper, to be published in the Pomeranchuk Memorial Volume (2014). 59 pp., 10 figures; v2: 1 figure and 1 reference added, 1 expression corrected
Advances in session-based and session-aware recommendation
Creators: name: Ludewig, Malte
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: Recommender systems
subject: Session-based recommendation
subject: Session-aware recommendation
subject: Nearest-neighbors
subject: Neural networks
subject: 004
subject: Empfehlungssystem
subject: Nächste-Nachbarn-Problem
subject: Neuronales Netz

description: As of today, personalized item suggestions provided by an automated recommender system have become a crucial part of many online services, e.g., online shops or media streaming applications, and extensive evidence exists that such systems increase both the user experience as well as the revenue of the providers. In academia, the recommendation problem is often framed as finding suitable items that a user is not yet aware of based on his long-term preference profile. In the real world, however, this problem formulation has a number of problems. Long-term profiles, e.g., are not available for new or anonymous users and recommendations can then only be based on the few most recent interactions in an ongoing usage session. Various approaches to this highly relevant setting of session-based recommendation that recently emerged in the research community were proposed over the recent years. However, in terms of the evaluation procedure, no common standard has been established so far. In this thesis, the author, therefore, proposes a publicly available framework for reproducible research and, furthermore, fairly compares many approaches, of which some were proposed by himself. Extensive experiments and a user study surprisingly showed that comparably simple nearest-neighbor techniques usually outperform recent deep learning models across many domains, datasets, and metrics. Even if long-term preferences are available for the users, recent works indicated that it might still be beneficial to consider the ongoing session, e.g., because a user started the session with a specific intent in mind. The author of this thesis, thus, conducted a systematic statistical analysis to assess what helps recommendations in being effective in such a session-aware scenario. This analysis is based on log data from a fashion retailer and insights were, furthermore, operationalized into novel session-aware recommendation approaches. Matching items of the customer’s ongoing session, reminding him of previously inspected clothes, recommending discounted items, and considering recent trends in the community showed to be particularly effective strategies, not only for item-item recommendation but also in the related scenario of search personalization.
Detection Schemes with Low-Resolution ADCs and Spatial Oversampling for Transmission with Higher-Order Constellations in the Terahertz Band
Creators: name: Forsch, Christian
name: Zillmann, Peter
name: Alrabadi, Osama
name: Brueck, Stefan
name: Gerstacker, Wolfgang
Publisher: name: arXiv
Year: 2024
Subjects: subject: Information Theory (cs.IT)
subject: Signal Processing (eess.SP)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this work, we consider Terahertz (THz) communications with low-resolution uniform quantization and spatial oversampling at the receiver side, corresponding to a single-input multiple-output (SIMO) transmission. We fairly compare different analog-to-digital converter (ADC) parametrizations by keeping the ADC power consumption constant. Here, 1-, 2-, and 3-bit quantization is investigated with different oversampling factors. We analytically compute the statistics of the detection variable, and we propose the optimal and several suboptimal detection schemes for arbitrary quantization resolutions. Then, we evaluate the symbol error rate (SER) of the different detectors for 16- and 64-ary quadrature amplitude modulation (QAM). The results indicate that there is a noticeable performance degradation of the suboptimal detectors compared to the optimal detector when the constellation size is larger than the number of quantization levels. Furthermore, at low signal-to-noise ratios (SNRs), 1-bit quantization outperforms 2- and 3-bit quantization, respectively, even when employing higher-order constellations. We confirm our analytical results by Monte Carlo simulations. Both a pure line-of-sight (LoS) and a more realistically modeled indoor THz channel are considered. Then, we optimize the input signal constellation with respect to SER for 1- and 2-bit quantization. The results give insights for optimizing higher-order constellations for arbitrary quantization resolutions and show that the minimum SER can be lowered significantly by appropriately placing the constellation points.
description: 16 pages, 17 figures, published in IEEE Access
Abrupt transition in the structural formation of interconnected networks
Creators: name: Radicchi, Filippo
name: Arenas, Alex
Publisher: name: arXiv
Year: 2013
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Our current world is linked by a complex mesh of networks where information, people and goods flow. These networks are interdependent each other, and present structural and dynamical features different from those observed in isolated networks. While examples of such "dissimilar" properties are becoming more abundant, for example diffusion, robustness and competition, it is not yet clear where these differences are rooted in. Here we show that the composition of independent networks into an interconnected network of networks undergoes a structurally sharp transition as the interconnections are formed. Depending of the relative importance of inter and intra-layer connections, we find that the entire interdependent system can be tuned between two regimes: in one regime, the various layers are structurally decoupled and they act as independent entities; in the other regime, network layers are indistinguishable and the whole system behave as a single-level network. We analytically show that the transition between the two regimes is discontinuous even for finite size networks. Thus, any real-world interconnected system is potentially at risk of abrupt changes in its structure that may reflect in new dynamical properties.
description: 10 pages, 3 figures
title: Daddeln ist das neue Schmökern. Warum sich Schule doch allmählich auf spielerisches digitales Handeln einrichten sollte.......
title: Saures
titleType: AlternativeTitle
Creators: name: Marci-Boehncke, Gudrun
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: 430
subject: Semantik
subject: Medialisierung
subject: Bedeutungswandel

description: DoLiMette;7. Jg. 2020, Heft 1
Are we making much progress? Revisiting chemical reaction yield prediction from an imbalanced regression perspective
Creators: name: Ma, Yihong
name: Huang, Xiaobao
name: Nan, Bozhao
name: Moniz, Nuno
name: Zhang, Xiangliang
name: Wiest, Olaf
name: Chawla, Nitesh V.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Machine Learning (cs.LG)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: The yield of a chemical reaction quantifies the percentage of the target product formed in relation to the reactants consumed during the chemical reaction. Accurate yield prediction can guide chemists toward selecting high-yield reactions during synthesis planning, offering valuable insights before dedicating time and resources to wet lab experiments. While recent advancements in yield prediction have led to overall performance improvement across the entire yield range, an open challenge remains in enhancing predictions for high-yield reactions, which are of greater concern to chemists. In this paper, we argue that the performance gap in high-yield predictions results from the imbalanced distribution of real-world data skewed towards low-yield reactions, often due to unreacted starting materials and inherent ambiguities in the reaction processes. Despite this data imbalance, existing yield prediction methods continue to treat different yield ranges equally, assuming a balanced training distribution. Through extensive experiments on three real-world yield prediction datasets, we emphasize the urgent need to reframe reaction yield prediction as an imbalanced regression problem. Finally, we demonstrate that incorporating simple cost-sensitive re-weighting methods can significantly enhance the performance of yield prediction models on underrepresented high-yield regions.
description: Published in Companion Proceedings of The ACM Web Conference 2024 (WWW '24)
title: Ludi incipiant – spielerische Perspektiven entlang der Bildungskette
title: Editorial
titleType: AlternativeTitle
Creators: name: Vogel, Tatjana
name: Delere, Malte
Publisher: name: Prof´in Dr. Gudrun Marci-Boehncke Tatjana Vogel, M.Ed. Malte Delere, M.Ed. Christoph Marci-Boehncke
Year: 2020
Subjects: subject: Digitales Spiel, spielerisches Lernen, Inklusion
subject: 430
subject: Lernspiel
subject: Inklusive Pädagogik

description: DoLiMette;7. Jg. 2020, Heft 1
A High Resolution View of the Warm Absorber in the Quasar MR2251-178
Creators: name: Reeves, J. N.
name: Porquet, D.
name: Braito, V.
name: Gofford, J.
name: Nardini, E.
name: Turner, T. J.
name: Crenshaw, D. M.
name: Kraemer, S. B.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: High resolution X-ray spectroscopy of the warm absorber in the nearby quasar, MR2251-178 (z = 0.06398) is presented. The observations were carried out in 2011 using the Chandra High Energy Transmission Grating and the XMM-Newton Reflection Grating Spectrometer, with net exposure times of approximately 400 ks each. A multitude of absorption lines from C to Fe are detected, revealing at least 3 warm absorbing components ranging in ionization parameter from log(ξ/erg cm s^-1) = 1-3 and with outflow velocities < 500 km/s. The lowest ionization absorber appears to vary between the Chandra and XMM-Newton observations, which implies a radial distance of between 9-17 pc from the black hole. Several broad soft X-ray emission lines are strongly detected, most notably from He-like Oxygen, with FWHM velocity widths of up to 10000 km/s, consistent with an origin from Broad Line Region (BLR) clouds. In addition to the warm absorber, gas partially covering the line of sight to the quasar appears to be present, of typical column density N_H = 10^23 cm^-2. We suggest that the partial covering absorber may arise from the same BLR clouds responsible for the broad soft X-ray emission lines. Finally the presence of a highly ionised outflow in the iron K band from both 2002 and 2011 Chandra HETG observations appears to be confirmed, which has an outflow velocity of -15600 \pm 2400 km/s. However a partial covering origin for the iron K absorption cannot be excluded, resulting from low ionization material with little or no outflow velocity.
description: 13 figures, 7 tables. Accepted for publication in ApJ
Chemical composition, fatty acid composition, and volatile compounds of a traditional Kurdish fermented cereal food: Tarkhineh
Creators: name: Mohammadi, Nima
name: Ostovar, Nikoo
Publisher: name: University of Limerick
Year: 2023
Subjects: classificationCode: 31
subject: Biological sciences
subject: FOS: Biological sciences

description: Tarkhineh is a traditional Kurdish fermented food made from the wheat meal (bulgur) and Doogh and is extensively consumed by people from all walks of life. The strategies of chemical composition (ash, protein, crude fat, salt), headspace solid-phase microextraction, and gas chromatography-mass spectrometry (HS-SPME-GC/MS) were applied to analyze Tarkhineh. The amount of ash and protein was relatively high, while the amount of fat was low. The average ash, protein, fat, and salt contents of the samples were 5.37%, 10.45%, and 1.46%, 4.87% respectively. A total of 9 fatty acids were identified in Tarkhineh, comprised of 34.42% unsaturated and 65.66% saturated fatty acids. Palmitic acid (48.58%), oleic acid (30.42%), stearic acid (6.29%), myristic acid (5.13%), and linoleic acid (4.1%) were the major fatty acids. Furthermore, 13 volatile compounds were identified. Hexadecane (53.42%), tetracosane (9.68%), and tetradecane (9.34%) were the most common aroma volatile compounds in Tarkhineh. This study provides new information on Tarkhineh that will be useful in explaining its unique properties.
title: Über den Nutzen digitaler Spiele für die Leseförderung in der Grundschule – Eine Analyse der App Conni Lesen des Carlsen Verlags
title: App-Rezension
titleType: AlternativeTitle
Creators: name: Spliethoff, Lena Marie
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: 430
subject: App
subject: Leseunterricht
subject: Lesekompetenz
subject: Grundschule

description: DoLiMette;7. Jg. 2020, Heft 1
Spiel mir das Spiel vom Code – Über die Möglichkeiten der Nutzung digitaler Spiele in informatischen Bildungskontexten
Creators: name: Maisenhölder, Lena-Marie
name: Maisenhölder, Patrick
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: Digitale Spiele, Informatik, Bildungsinformatik, Codes
subject: 430
subject: Informatikunterricht
subject: Programmiersprache
subject: Problemorientiertes Lernen
subject: Computerspiel

description: DoLiMette;7. Jg. 2020, Heft 1
Macrocyclic peptidomimetic plasmepsin X inhibitors with potent in vitro and in vivo antimalarial activity.
Creators: name: Kovada, Vadims
name: Withers-Martinez, Chrislaine
name: Bobrovs, Raitis
name: Ce̅rule, Hele̅na
name: Liepins, Edgars
name: Grinberga, Solveiga
name: Hackett, Fiona
name: Collins, Christine R
name: Kreicberga, Agrita
name: Jiménez-Díaz, María Belén
name: Angulo-Barturen, Iñigo
name: Rasina, Dace
name: Suna, Edgars
name: Jaudzems, Kristaps
name: Blackman, Michael J
name: Jirgensons, Aigars
Publisher: name: The Francis Crick Institute
Year: 2023
Subjects: subject: Model organisms
subject: Biochemistry & Proteomics
subject: Structural Biology & Biophysics
subject: Cell Biology
subject: Infectious Disease
subject: Immunology
subject: FOS: Clinical medicine

description: The Plasmodium falciparum aspartic protease plasmepsin X (PMX) is essential for the egress of invasive merozoite forms of the parasite. PMX has therefore emerged as a new potential antimalarial target. Building on peptidic amino alcohols originating from a phenotypic screening hit, we have here developed a series of macrocyclic analogues as PMX inhibitors. Incorporation of an extended linker between the S1 phenyl group and S3 amide led to a lead compound that displayed a 10-fold improved PMX inhibitory potency and a 3-fold improved half-life in microsomal stability assays compared to the acyclic analogue. The lead compound was also the most potent of the new macrocyclic compounds in in vitro parasite growth inhibition. Inhibitor 7k cleared blood-stage P. falciparum in a dose-dependent manner when administered orally to infected humanized mice. Consequently, lead compound 7k represents a promising orally bioavailable molecule for further development as a PMX-targeting antimalarial drug.
Laptops zu – Vorlesungszeit geschafft. Das digitale Sommersemester 2020 an der Technischen Universität Dortmund – Ein Erfahrungsbericht
Creators: name: Halfar, Jasmin
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: 430
subject: Medienkompetenz
subject: Lehramtsstudium
subject: Lesekompetenz
subject: Unterricht
subject: Digitalisierung

description: DoLiMette;7. Jg. 2020, Heft 1
Dihadron Correlations Relative to the Event Plane in 200 GeV Au+Au Collisions from STAR
Creators: name: Wang, Fuqiang
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Dihadron correlations with a high-pt trigger particle are analyzed by STAR relative to the event plane in Au+Au collisions at 200 GeV (arXiv:1010.0690v1). The elliptic and quadrangular flow anisotropies are subtracted. The remaining dihadron correlation signals are found to be composed of a near-side peak, which is separated into jet-like and "ridge"-like components, and an away-side correlation structure. The ridge-like structure is found to decrease with the trigger particle azimuthal angle relative to the event plane from in-plane to out-of-plane. The away-side structure is found to evolve from single-peak for in-plane triggers to double-peak for out-of-plane triggers. Is the dihadron correlation signal just a manifestation of the triangular and higher-order harmonic flows? This talk addresses this question, exploring the answers using limiting-case assumptions, and discusses the implications of the data regarding the ridge and the double-peak structure.
description: 8 pages, 3 figures, proceedings of the 29th Winter Workshop on Nuclear Dynamics (WWND2013)
Geology of a Portion of the Santa Monica Mountains
Creators: name: Peterson, Raymond Alfred
Publisher: name: California Institute of Technology
Year: 1931
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences

description:  The area discussed in this report lies on the north side
of the Santa Monica Mountains, bordering on the San Fernando
Valley. It includes the region around the Encino Country Club and Encino Reservoir, and extends from Ventura Boulevard on the North to a short distance south of Mulholland Highway. The accompanying sketch map shows the location of the area, and its relation to the major features of Southern California. It is easily accessible from Los Angeles or Pasadena by Ventura Boulevard or Mulholland Highway.

 Very excellent Los Angeles County maps (2,000 feet to the inch, 25 ft. C.I.) are available for the region, in the form of the U.S.G.S. Van Nuys and Reseda quadrangles. Fairchild Aerial Surveys of Los Angeles have also made a mosaic aerial map of this locality and the remainder of the Santa Monica. Mountains. The mapping for this report was done entirely on the aerial map, which proved highly satisfactory, allowing contacts and other features to be located very accurately. The scale used was 1500 feet to the inch.

 Mapping was made difficult by several features. Most of
the region is covered by very heavy brush, which is all but
impassable. Accurate mapping is very slow and laborious. In
the valley north of the Encino Country Club, contact and exposures are largely covered by alluvium, making exact mapping impossible. Also this fact coupled with the similarity in lithology between parts of the Modelo and Topanga formations makes it difficult to find the Modelo-Topanga contact. One helpful feature is that the Modelo is usually free from brush and covered by grass, which greatly facilitates mapping. An attempt was made to map a small area accurately rather than a larger one roughly. Hence the map represents only an area about three miles square, and of this the mapping west of the eastern border of the Encino Reservoir by Holzman. Also the mapping of the Modelo-Topanga contact was done jointly with Holzman.

 Part of this area was included in Kew' s report, U.S.G.S. Bul. 753. Also the area is included in Hoot's report on the Santa Monica Mountains, now in press as a U.S.G.S. bulletin. The mapping of this report seems to agree in larger details with that of Hoots, but differs slightly from that of Kew as brought out later. This area overlaps in part that covered in Scharf's Senior Thesis. The area to the west has been mapped by Holzman, and that south by Crossman.
Random Deterministic Automata With One Added Transition
Creators: name: Carayol, Arnaud
name: Duchon, Philippe
name: Koechlin, Florent
name: Nicaud, Cyril
Publisher: name: arXiv
Year: 2024
Subjects: subject: Formal Languages and Automata Theory (cs.FL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: Every language recognized by a non-deterministic finite automaton can be recognized by a deterministic automaton, at the cost of a potential increase of the number of states, which in the worst case can go from $n$ states to $2^n$ states. In this article, we investigate this classical result in a probabilistic setting where we take a deterministic automaton with $n$ states uniformly at random and add just one random transition. These automata are almost deterministic in the sense that only one state has a non-deterministic choice when reading an input letter. In our model, each state has a fixed probability to be final. We prove that for any $d\geq 1$, with non-negligible probability the minimal (deterministic) automaton of the language recognized by such an automaton has more than $n^d$ states; as a byproduct, the expected size of its minimal automaton grows faster than any polynomial. Our result also holds when each state is final with some probability that depends on $n$, as long as it is not too close to $0$ and $1$, at distance at least $Ω(\frac1{\sqrt{n}})$ to be precise, therefore allowing models with a sublinear number of final states in expectation.
Auf der Fährte des Roboters – Kinder-Uni an der TU Dortmund – Ein Rückblick auf 2019
Creators: name: Bunk, Tara
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: 430
subject: Kinderuniversität
subject: Roboter

description: DoLiMette;7. Jg. 2020, Heft 1
Poper's Game - A 21st Century Approach to Addressing Initial Attacks in Practice
Creators: name: BRENNAN, JOEL
Publisher: name: University of Melbourne
Year: 2023
Subjects: classificationCode: 360303
subject: Music education
classificationCode: 360304
subject: Music performance

description: International Trumpet Guild (ITG) Journal October 2016 Vol 41 No 1, pp 68-71
Amtliche Mitteilungen der Technischen Universität Dortmund Nr. 28/2020
Creators: name: (:Unkn) Unknown
Publisher: name: Technische Universität Dortmund
Year: 2020
Subjects: subject: 080

description: Dienstvereinbarung zur Fort- und Weiterbildung
description: Amtliche Mitteilungen der Technischen Universität Dortmund;2020, 28
Differential contributions of nuclear lamina association and genome compartmentalization to gene regulation
Creators: name: Das, Priyojit
name: San Martin, Rebeca
name: McCord, Rachel Patton
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Cancer
subject: Hematology

description: Chromatin regions that interact with the nuclear lamina are often heterochromatic, repressed in gene expression, and in the spatial B compartment. However, exceptions to this trend allow us to examine the relative impact of lamin association and spatial compartment on gene regulation. Here, we compared lamin association, gene expression, Hi-C, and histone mark datasets from cell lines representing different states of differentiation across different cell-type lineages. With these data, we compare, for example, gene expression differences when a B compartment region is associated with the nuclear lamina in one cell type but not in another. In general, we observed an additive rather than redundant effect of lamin association and compartment status. But, whether compartment status or lamin association had a dominant influence on gene expression varied by cell type. Finally, we identified how compartment and lamin association influence the likelihood of gene induction or repression in response to physicochemical treatment.
Flux-tunable Kitaev chain in a quantum dot array
Creators: name: Luna, Juan Daniel Torres
name: Bozkurt, A. Mert
name: Wimmer, Michael
name: Liu, Chun-Xiao
Publisher: name: arXiv
Year: 2024
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Connecting quantum dots through Andreev bound states in a semiconductor-superconductor hybrid provides a platform to create a Kitaev chain. Interestingly, in a double quantum dot, a pair of poor man's Majorana zero modes can emerge when the system is fine-tuned to a sweet spot, where superconducting and normal couplings are equal in magnitude. Control of the Andreev bound states is crucial for achieving this, usually implemented by varying its chemical potential. In this work, we propose using Andreev bound states in a short Josephson junction to mediate both types of couplings, with the ratio tunable by the phase difference across the junction. Now a minimal Kitaev chain can be easily tuned into the strong coupling regime by varying the phase and junction asymmetry, even without changing the dot-hybrid coupling strength. Furthermore, we identify an optimal sweet spot at $π$ phase, enhancing the excitation gap and robustness against phase fluctuations. Our proposal introduces a new device platform and a new tuning method for realizing quantum-dot-based Kitaev chains.
The universal R-matrix and factorization of the L-operators related to the Baxter Q-operators
Creators: name: Khoroshkin, Sergey
name: Tsuboi, Zengo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Algebra (math.QA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We consider the `universal monodrimy operators' for the Baxter Q-operators. They are given as images of the universal R-matrix in oscillator representation. We find related universal factorization formulas in $U_{q}(\hat{sl}(2))$ case.
description: 13 pages, v2: minor corrections
The Geology of the Merced Hills, Los Angeles County, California, With a Section on the Radioactivity of the Oils and Waters
Creators: name: Taylor, George Frederic
Publisher: name: California Institute of Technology
Year: 1931
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences

description: The area discussed in this paper lies in the Merced
Hills about 9 miles east of the center of Los Angeles,
California. To the east lie the Rio Hondo and the San
Gabriel River and east of the valley containing these
rivers are the Puente Hills. The western edge of the
area mapped merges into the Repetto Hills which extend
west nearly to the Los Angeles River. The oil field,
from which samples of oil and water were obtained for
the radioactive measurements, is located along the
south-eastern margin and in eastern portion of the
Merced Hills and is called the Montebello Field, after
the town of that name about a mile south of the field.
Beyond unital noise in variational quantum algorithms: noise-induced barren plateaus and limit sets
Creators: name: Singkanipa, P.
name: Lidar, D. A.
Publisher: name: arXiv
Year: 2024
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Variational quantum algorithms (VQAs) hold much promise but face the challenge of exponentially small gradients. Unmitigated, this barren plateau (BP) phenomenon leads to an exponential training overhead for VQAs. Perhaps the most pernicious are noise-induced barren plateaus (NIBPs), a type of unavoidable BP arising from open system effects, which have so far been shown to exist for unital noise maps. Here, we generalize the study of NIBPs to more general completely positive, trace-preserving maps, investigating the existence of NIBPs in the unital case and a class of non-unital maps we call Hilbert-Schmidt (HS)-contractive. The latter includes amplitude damping. We identify the associated phenomenon of noise-induced limit sets (NILS) of the VQA cost function and prove its existence for both unital and HS-contractive non-unital noise maps. Along the way, we extend the parameter shift rule of VQAs to the noisy setting. We provide rigorous bounds in terms of the relevant variables that give rise to NIBPs and NILSs, along with numerical simulations of the depolarizing and amplitude-damping maps that illustrate our analytical results.
description: 27 pages, 4 figures, v6: Minor updates + accepted in Quantum journal
[Über arabische Satzbildung, besonders über den sog. „Dschar-lah“]; [um 1700?]
Creators: name: (:Unav)
Publisher: name: Universitätsbibliothek der Ludwig-Maximilians-Universität München
Year: 2009

description: Entstehungsort: Unbekannt. - Entstehungszeit: Unbekannt
Changing disc compositions via internal photoevaporation I: Solar-mass stars
Creators: name: Lienert, Julia Lena
name: Bitsch, Bertram
name: Henning, Thomas
Publisher: name: arXiv
Year: 2024
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The chemical evolution of protoplanetary discs is not fully understood, several factors influence the final distribution of disc material. One such factor are inward drifting and evaporating pebbles that enrich the inner disc with vapour. In particular, it is first enriched with water vapour, resulting in a low C/O ratio, before carbon-rich gas from the outer disc is transported inwards elevating the C/O ratio again. However, it is unclear how internal photoevaporation, which carries away gas and opens gaps that block inward drifting pebbles, affects the chemical composition of the disc. We aim to study these effects in discs around solar-like stars, where we especially focus on the C/O ratio and the water content. The simulations are carried out using a semi-analytical 1D disc model. Our code chemcomp includes viscous evolution and heating, pebble growth and drift, pebble evaporation and condensation, and a simple chemical partitioning model. We show that internal photoevaporation plays a major role in the (chemical) evolution of protoplanetary discs: As it opens a gap, inward drifting pebbles are stopped and cannot contribute to the volatile content any more. In addition, gas from the outer disc is carried away by photoevaporative winds. Consequently, the C/O ratio in the inner disc is low. In contrast, gaps opened by giant planets allow the gas to pass, resulting in an elevated C/O ratio, similar to viscous discs without internal photoevaporation. This will enable us to distinguish observationally between these two scenarios when measuring the C/O ratio, implying that we can infer the cause of gap structures in disc observations. In the case of a photoevaporative disc, we additionally find an elevated water content in the inner disc as the water vapour and ice undergo a cycle of evaporation/re-condensation, preventing its inward accretion onto the star.
Driving towards Sustainable Development through Green Logistics
Creators: name: Sudeep B Chandramana
name: Kuruvilla, Noel Mariya
name: Saju, Rini
name: Swetha Ramesh
Publisher: name: figshare
Year: 2020
Subjects: subject: 150309 Logistics and Supply Chain Management
subject: FOS: Economics and business
subject: 130203 Economics, Business and Management Curriculum and Pedagogy
subject: FOS: Educational sciences

description: Green logistics is an important element of production system in today’s business. It blends several efforts to quantify and control the environmental impact of production activities in an enterprise. This research is intended to emphasize upon the ways by which organizations can accomplish positive ecological effects by modifying their logistics practices, thereby moving towards the goals of sustainable development. The study also appraises an account of green logistics practices in the present Indian business environment. This paper presents a study on the different dimensions of green logistics, challenges faced by companies in pursuing it and proposes strategies, by analysing the alternatives for green practices along with organizational objectives.
Necessity of PT symmetry for soliton families in one-dimensional complex potentials
Creators: name: Yang, Jianke
Publisher: name: arXiv
Year: 2013
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: For the one-dimensional nonlinear Schroedinger equation with a complex potential, it is shown that if this potential is not parity-time (PT) symmetric, then no continuous families of solitons can bifurcate out from linear guided modes, even if the linear spectrum of this potential is all real. Both localized and periodic non-PT-symmetric potentials are considered, and the analytical conclusion is corroborated by explicit examples. Based on this result, it is argued that PT-symmetry of a one-dimensional complex potential is a necessary condition for the existence of soliton families.
description: 14 pages, 3 figures
MPEC 2023-V122 : 2023 UH14
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2023
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2023 UH14

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Characters Useful in Determining the Position of Individual Teeth in the Permanent Cheek-Tooth Series of Merychippine Horses
Creators: name: Bode, Francis Dashwood
Publisher: name: California Institute of Technology
Year: 1931
Subjects: subject: Geology
subject: FOS: Earth and related environmental sciences
subject: Paleontology

description: Cheek-teeth of fossil horses display structural characters which have long been recognized as of considerable value in establishing the relationships of these forms and in furnishing suggestions as to the age
of the deposits in which the fossils occur. In later Cenozoic formations of western North America where complete skulls and skeletal materials are not always available, identification of members of the Equidae is often based on single teeth.

In the study of an individual hypsodont equine tooth difficulty is frequently encountered in determining with certainty its position in the cheek-tooth series. Variation in the enamel pattern as exhibited by the molars and premolars makes it particularly desirable to know where an individual tooth belongs in the series.

The problem of identifying teeth when detached from jaws arose in the study of a large number of merychippine teeth secured by the California Institute in the Merychippus Zone of the north Coalinga region, California. The collections from this Miocene horizon include approximately two thousand separate horse teeth, representing principally
the species Merychippus californicus Merriam. While characters which assist in determining the position of a tooth apply particularly to this species, the criteria on which identification is made are applicable to individual teeth in a number of generic types of horses from the later Cenozoic.

The problem was suggested by Dr. Chester Stock under whose supervision it was investigated. The writer wishes to express his thanks to Dr. Stock for his kindly guidance during the course of the study. The illustrations have been prepared by Mr. John L. Ridgway.