cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
title: Aerodynamische Zuführtechnik : Fortschritte und Perspektiven
title: Aerodynamic Part Feeding : Advances and Perspectives
titleType: AlternativeTitle
Creators: name: Kolditz, Torge
name: Raatz, Annika
Publisher: name: Berlin : de Gruyter
Year: 2021
Subjects: subject: Zuführtechnik
subject: Aerodynamische Zuführtechnik
subject: Flexible Automatisierung
subject: Montage
subject: Handhabung
subject: Flexible Produktionssysteme
subject: Dewey Decimal Classification::600 | Technik

description: Um bestehenden Defiziten konventioneller Zuführtechnik hinsichtlich Zuführleistung, Zuverlässigkeit und Variantenflexibilität entgegenzuwirken, wurde eine aerodynamische Zuführanlage entwickelt. Die Anpassung dieser Zuführanlage an unterschiedliche Werkstücke erfolgt autonom über die Konfiguration von fünf Anlagenparametern. In diesem Beitrag werden aktuelle Fortschritte zur Steigerung der Variantenflexibilität, Verkürzung der Rüstzeit sowie Erhöhung der Ausbringung im Batchbetrieb präsentiert und Perspektiven für zukünftige Entwicklungen aufgezeigt.
description: To counteract existing deficits of conventional feeding technology with regard to feeding performance, reliability and flexibility, an aerodynamic part feeding system was developed. This feeding system can adapt to different workpieces autonomously by configuring five system parameters. In this article, current advances with regard to an increased flexibility, shortened retooling times and increased output in batch production are presented and perspectives for future developments are given.
The Correlahedron
Creators: name: Eden, Burkhard
name: Heslop, Paul
name: Mason, Lionel
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We introduce a new geometric object, the correlahedron, which we conjecture to be equivalent to stress-energy correlators in planar N=4 super Yang-Mills. Re-expressing the Grassmann dependence of correlation functions of n chiral stress-energy multiplets with Grassmann degree 4k in terms of 4(n+k)-linear bosonic variables, the resulting expressions have an interpretation as volume forms on a Gr(n+k,4+n+k) Grassmannian, analogous to the expressions for planar amplitudes via the amplituhedron. The resulting volume forms are to be naturally associated with the correlahedron geometry. We construct such expressions in this bosonised space both directly, in general, from Feynman diagrams in twistor space, and then more invariantly from specific known correlator expressions in analytic superspace. We give a geometric interpretation of the action of the consecutive lightlike limit and show that under this the correlahedron reduces to the squared amplituhedron both as a geometric object as well as directly on the corresponding volume forms. We give an explicit easily implementable algorithm via cylindrical decompositions for extracting the squared amplituhedron volume form from the squared amplituhedron geometry with explicit examples and discuss the analogous procedure for the correlators.
description: 38 pages. minor corrections
Stability Analysis of Some Reconstructed Cosmological Models in $f(\mathcal{G},T)$ Gravity
Creators: name: Sharif, M.
name: Ikram, Ayesha
Publisher: name: arXiv
Year: 2016
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The aim of this paper is to reconstruct and analyze the stability of some cosmological models against linear perturbations in $f(\mathcal{G},T)$ gravity ($\mathcal{G}$ and $T$ represent the Gauss-Bonnet invariant and trace of the energy-momentum tensor, respectively). We formulate the field equations for both general as well as particular cases in the context of isotropic and homogeneous universe model. We reproduce the cosmic evolution corresponding to de Sitter universe, power-law solutions and phantom/non-phantom eras in this theory using reconstruction technique. Finally, we study stability analysis of de Sitter as well as power-law solutions through linear perturbations.
description: 22 pages, 7 figures, submitted for publication
THE IN VIVO MACROMOLECULAR CRYSTALLOGRAPHY PLATFORM AT NAGOYA UNIVERSITY
Creators: name: CHAVAS, Leonard
Publisher: name: Zenodo
Year: 2022
Subjects: ivMX, BINDS

description: In recent years, a new branch of macromolecular crystallography (MX) is emerging that focuses on protein crystals naturally occurring inside cells and organisms. This field of research is in turn named in cellulo or in vivo MX (iMX), mostly depending on whether the crystals appear inside or outside cells. One of the motivations for studying these rare phenomena lies in their applicability to developing high throughput pipelines and revolutionizing the currently implemented workflows. The classical MX pipelines are composed of multiple interdependent steps. After overexpressing the protein of interest in heterologous expression systems, the samples are extensively purified to obtain a highly homogenous, concentrated, and stable sample solution. Before obtaining crystals of the purified protein, the sample solution is submitted to an empirical and semi-rational crystallization screening process that is time-consuming, costly, and with no insurance of success and crystallization. When considering iMX, all the steps of sample purification and crystallization are removed and left to be done by the organism overexpressing the protein of interest. The iMX involves proteins that eventually present post-translational modifications, another difference compared to the in vitro MX that commonly clips out these modifications for homogeneity. Only a few modified protein structures prepared through in vitro pipelines are deposited in the PDB, although these modifications are often key to the proteins' functions. Numerous efforts from various groups worldwide have been provided to obtain deeper insights into the yet uncontrollable events dictating natural crystal growth. One of these efforts led to the initiation of a platform at Synchrotron SOLEIL (France). To facilitate the use of iMX by the larger community and in particular in Japan, milestones for the implementation of a complete pipeline have been set at Nagoya University and will be presented. The iMX platform is part of the Next-BINDS national project and is aimed to open to general users in the coming year.
Modeling of electrochemical oxide film growth -- a PDM refinement
Creators: name: Bösing, Ingmar
name: La Mantia, Fabio
name: Thöming, Jorg
Publisher: name: arXiv
Year: 2023
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: The Point Defect Model (PDM) is known for over 40 years and has brought deeper insight to the understanding of passivity. During the last decades it has seen several changes and refinements, and it has been widely used to analyze growth kinetics of different alloys. Nevertheless, the model has been based on still unconfirmed assumptions, as constant and potential independent electric field strength. To overcome this limitation, we introduce a Refined PDM (R-PDM) in which we replace those assumptions by using additional equations for charge distribution including new physically valid boundary conditions based on considering finite dimensions for the defects by introduction of two defect layer at the film boundaries and by calculating the potential drop at the surface of the film towards the solution over the compact double layer. The calculations by the R-PDM show that the original PDM assumptions are only valid for very specific parameter combinations of oxide film growth and vacancies transport and cannot generally be taken for granted. We believe our findings of electric field and potential drop dependency on the external potential to pave the way for a more realistic description of passive layer formation.
Penalization Framework For Autonomous Agents Using Answer Set Programming
Creators: name: Tummala, Vineel S. K.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Artificial Intelligence (cs.AI)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: This paper presents a framework for enforcing penalties on intelligent agents that do not comply with authorization or obligation policies in a changing environment. A framework is proposed to represent and reason about penalties in plans, and an algorithm is proposed to penalize an agent's actions based on their level of compliance with respect to authorization and obligation policies. Being aware of penalties an agent can choose a plan with a minimal total penalty, unless there is an emergency goal like saving a human's life. The paper concludes that this framework can reprimand insubordinate agents.
description: In Proceedings ICLP 2023, arXiv:2308.14898
ALPs Effective Field Theory and Collider Signatures
Creators: name: Brivio, I.
name: Gavela, M. B.
name: Merlo, L.
name: Mimasu, K.
name: No, J. M.
name: del Rey, R.
name: Sanz, V.
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the leading effective interactions between the Standard Model fields and a generic singlet CP-odd (pseudo)Goldstone boson. Two possible frameworks for electroweak symmetry breaking are considered: linear and non-linear. For the latter case, the basis of leading effective operators is determined and compared with that for the linear expansion. Associated phenomenological signals at colliders are explored for both scenarios, deriving new bounds and analyzing future prospects, including LHC and High Luminosity LHC sensitivities. Mono-$Z$, mono-$W$, $W$-photon plus missing energy and on-shell top final states are most promising signals expected in both frameworks. In addition, non-standard Higgs decays and mono-Higgs signatures are especially prominent and expected to be dominant in non-linear realizations.
description: 66 pages, 15 figures; Version accepted for publication in EPJC
Effect of foaming and drying temperature on the physical, chemical, and functional properties of egg white powders produced using refractance window drying
Creators: name: Günışık, Ayşe
name: Tontul, Ismail
Publisher: name: Taylor & Francis
Year: 2024
Subjects: Environmental Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified

description: This study investigated the effect of drying form (natural and foamed) and temperature (50–100 °C) on the physical, chemical, and functional properties of egg white powder produced using refractance window drying. The egg whites were dried in 4-55 min, depending on the drying conditions. On the one hand, the drying form was effective on the color properties, densities (bulk, tapped, or particle), Carr index, Hausner ratio, porosity, hygroscopicity, solubility, and foaming capacity of egg white powders. On the other hand, the drying temperature was effective for all analyzed properties except hygroscopicity, moisture content, and water activity of samples. The study demonstrated that foaming before refractance window drying enhances the color of the egg white powders and provides better solubility and foaming capacity. However, it has a detrimental effect on the flow properties of the powders evaluated according to the Carr index and Hausner ratio. Increasing the drying temperature until a certain extent (80 °C) generally provided better color, protein content, surface hydrophobicity, and functional properties. The study shows that egg powders suitable for different purposes (better foaming, low protein denaturation, better gelling, etc.) can be obtained if the drying form and temperature conditions are fine-tuned.
Fermentation of Theobroma cacao L. (Malvaceae) seeds, their first forty eight hours: study of opportunities.
Creators: name: Cestari-Abreu, Sebastián
name: Aguilera, Feliyer
Publisher: name: Zenodo
Year: 2023
Subjects: cocoa
fermentation
yeast
ethanol
holding time

description: English: The purpose of the work was to provide a description of the processes that occur once the fermentation of cocoa beans occurs. The variables that influence during this stage and the information gaps that lead to the development of new research in this field were identified. Yeast activity is of special interest during the first 48 h since ethanol production is associated with the sensory traits that the grain will finally present. The variables that most affect alcoholic fermentation are temperature and oxygen supply; in this sense, the recommendation is to use square-shaped containers and do the first removal of the grains at the end of the 48 h period. Additionally, a waiting time for the pod should be considered to raise the temperature and accelerate their rise during the first two days. Español: El propósito del trabajo fue brindar una descripción de los procesos que se producen una vez que ocurre la fermentación de las semillas de cacao. Se identificaron las variables que influyen durante esta etapa y los vacíos de información que conducen al desarrollo de nuevas investigaciones en este campo. La actividad de las levaduras es de especial interés durante las primeras 48 h, dado que la producción de etanol está asociada con los rasgos sensoriales que finalmente presentará el grano. Las variables que más afectan la fermentación alcohólica son la temperatura y el suministro de oxígeno; en este sentido, la recomendación es utilizar contenedores de forma cuadrada y hacer la primera remoción de los granos al finalizar el período de las 48 h. Adicionalmente, se debe considerar un tiempo de espera de las mazorcas para elevar la temperatura y acelerar su ascenso durante los primeros dos días.
RENU Communications
Creators: name: Karungi, Louise
Publisher: name: Zenodo
Year: 2022
Subjects: SIG-Marcomms
Research and Education Network of Uganda
RENU
social media

description: Presentation was delivered at the SIG-Marcomms meeting in Brussels, Belgium on October 4th, 2022. The marcomms team of the Research and Education Network of Uganda explains how they have been running their their social media accounts and share their tips and tricks to their success.
RESEARCH ANALYSIS, TREND IN SANGHA’S ROLE TOWARDS THAI POLITICS IN THE NEXT TWO DECADES TO PRACTICE IN THAI SOCIETY
Creators: name: Ketsada Phathong
Publisher: name: DR.KET INSTITUTE OF ACADEMIC DEVELOPMENT AND PROMOTION
Year: 2023
Subjects: บทวิเคราะห์งานวิจัย
บทบาทพระสงฆ์
การเมือง
วิถีปฏิบัติ
สังคมไทย

description: Journal of Interdisciplinary Social Development, 1, 1, 44-61
title: Accretion of Rocky Planetary Bodies: Chemical Constraints
Creators: name: Mezger, Klaus
name: Maltese, Alessandro
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2022

description:
All rocky materials originating from small and undifferentiated bodies of the Solar System have similar and close to solar abundances of refractory elements and are depleted to various degrees in moderately volatile elements. This depletion correlates with the respective condensation temperatures of the elements. In contrast, the element abundance pattern in bulk silicate Earth (BSE) is different. Its depletion in the moderately volatile lithophile elements does not show a correlation with their respective condensation temperature, rather these elements show chondritic relative abundances.

The element pattern of BSE can be modeled as a mixture of three distinct components with different volatile element depletions and oxidation states. Component A is volatile-element depleted and strongly reduced; Component B has chondritic abundances of the refractory and moderately volatile elements and is highly oxidized; Component C has element abundances similar to carbonaceous chondrites. These components make up ~85%, ~15% and ~0.4% of BSE, respectively, and require a specific sequence of events by which they were added. The major part of the Earth accreted early under strongly reducing conditions during which it underwent metal-silicate differentiation. Addition of the oxidized and volatile-richer second component was followed by a second core formation under more oxidizing conditions by segregation of a sulfide melt. The last component was added as a “late veneer”. Combining this evolution of element abundances in BSE with constraints from U-Pb and Rb-Sr systematics suggest the combination of Component A with B occurred at 4.50 Ga and corresponds to the Moon-forming event.
Spacetime Deformation Effect on the Early Universe and the PTOLEMY Experiment
Creators: name: Horvat, Raul
name: Trampetic, Josip
name: You, Jiangyang
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Using a fully-fledged formulation of gauge field theory deformed by the spacetime noncommutativity, we study its impact on relic neutrino direct detection, as proposed recently by the PTOLEMY experiment. The noncommutative background tends to influence the propagating neutrinos by providing them with a tree-level vector-like coupling to photons, enabling thus otherwise right-handed (RH) neutrinos to be thermally produced in the early universe. Such a new component in the universe's background radiation has been switched today to the almost fully active sea of non-relativistic neutrinos, exerting consequently some impact on the capture on tritium at PTOLEMY. The peculiarities of our nonperturbative approach tend to reflect in the cosmology as well, upon the appearances of the coupling temperature, above which RH neutrinos stay permanently decoupled from thermal environment. This entails the maximal scale of noncommutativity as well, being of order of $10^{-4} M_{Pl}$, above which there is no impact whatsoever on the capture rates at PTOLEMY. The latter represents an exceptional upper bound on the scale of noncommutativity coming from phenomenology.
description: 7 pages, 3 figures, version to be published in Phys. Lett. B
Poster: Enabling Flexible Edge-assisted XR
Creators: name: Heo, Jin
name: Bhardwaj, Ketan
name: Gavrilovska, Ada
Publisher: name: arXiv
Year: 2023
Subjects: subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Multimedia (cs.MM)
subject: FOS: Computer and information sciences

description: Extended reality (XR) is touted as the next frontier of the digital future. XR includes all immersive technologies of augmented reality (AR), virtual reality (VR), and mixed reality (MR). XR applications obtain the real-world context of the user from an underlying system, and provide rich, immersive, and interactive virtual experiences based on the user's context in real-time. XR systems process streams of data from device sensors, and provide functionalities including perceptions and graphics required by the applications. These processing steps are computationally intensive, and the challenge is that they must be performed within the strict latency requirements of XR. This poses limitations on the possible XR experiences that can be supported on mobile devices with limited computing resources. In this XR context, edge computing is an effective approach to address this problem for mobile users. The edge is located closer to the end users and enables processing and storing data near them. In addition, the development of high bandwidth and low latency network technologies such as 5G facilitates the application of edge computing for latency-critical use cases [4, 11]. This work presents an XR system for enabling flexible edge-assisted XR.
description: extended abstract of 2 pages, 1 figure, 2 tables
British Gallup Poll CQ 349
Creators: name: Social Surveys (Gallup Poll) Limited
Publisher: name: Roper Center for Public Opinion Research
Year: 2022

description: Northern Ireland vacation (1); banks (39); Government approval (1); James Callaghan approval (1); Margaret Thatcher approval (1); Daniel Steel approval (1); party support (1); last general election (2); economic development (2); prices (2); personal finances (2); future unemployment (1); income increase (2); time to save (1); government spending (5); potential common market members (3); Rhodesian conflict (5); bought sewing machine (4); kitchen furniture (22); bedroom furniture (16); children in school (16); curry consumption (17); hypertension (7).
High-Energy Vacuum Birefringence and Dichroism in an Ultrastrong Laser Field
Creators: name: Bragin, Sergey
name: Meuren, Sebastian
name: Keitel, Christoph H.
name: Di Piazza, Antonino
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: A long-standing prediction of quantum electrodynamics, yet to be experimentally observed, is the interaction between real photons in vacuum. As a consequence of this interaction, the vacuum is expected to become birefringent and dichroic if a strong laser field polarizes its virtual particle--antiparticle dipoles. Here, we derive how a generally polarized probe photon beam is influenced by both vacuum birefringence and dichroism in a strong linearly polarized plane-wave laser field. Furthermore, we consider an experimental scheme to measure these effects in the nonperturbative high-energy regime, where the Euler-Heisenberg approximation breaks down. By employing circularly polarized high-energy probe photons, as opposed to the conventionally considered linearly polarized ones, the feasibility of quantitatively confirming the prediction of nonlinear QED for vacuum birefringence at the $5σ$ confidence level on the time scale of a few days is demonstrated for upcoming 10 PW laser systems. Finally, dichroism and anomalous dispersion in vacuum are shown to be accessible at these facilities.
description: 7 pages, 5 figures, 1 table + supplemental material
Role of combined surgical and radiotherapy treatment in nonmetastatic WHO I nasopharyngeal carcinoma patients
Creators: name: Wang, Zi-meng
name: Zhu, Si-yu
name: Wang, Qin
name: Duan, Chong-yang
name: Liu, Si-han
name: You, Rui
name: Chen, Ming-Yuan
name: Huang, Pei-Yu
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Cell Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Cancer

description: Keratinizing squamous cell carcinoma (KSCC) is recognized as WHO I nasopharyngeal carcinoma (NPC). Current guidelines for treating nasopharyngeal cancer do not delineate specific strategies for individual pathologic subtypes. To explore the optimal treatment for KSCC of the nasopharynx. Data on patients were extracted from the SEER database. Survival differences between patients treated with radiotherapy alone and combined surgery were assessed using Kaplan-Meier and Cox regression models and compared using propensity score matching (PSM). In addition, we explored the survival differences between the two groups of patients in different risk stratifications. In our study, 165 patients underwent surgical intervention, while 1238 patients did not. In both univariate (CSS: p = .001, HR = 0.612; OS: p < .001, HR = 0.623) and multivariate (CSS: p = .004, HR = 0.655; OS: p < .001, HR = 0.655) analyses, combined surgery was identified as a significant prognostic factor. These findings were consistent after PSM. Using RPA, patients were categorized into two groups. CSS improved in the high-risk group, whereas the difference in low-risk patients was not significant. For patients diagnosed with WHO I nasopharyngeal carcinoma, the combination of radiotherapy and surgery has significant clinical advantages, especially for patients at high risk.
Axioms for behavioural congruence of single-pass instruction sequences
Creators: name: Bergstra, J. A.
name: Middelburg, C. A.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Programming Languages (cs.PL)
subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: D.3.1; F.3.1; F.3.2

description: In program algebra, an algebraic theory of single-pass instruction sequences, three congruences on instruction sequences are paid attention to: instruction sequence congruence, structural congruence, and behavioural congruence. Sound and complete axiom systems for the first two congruences were already given in early papers on program algebra. The current paper is the first one that is concerned with an axiom system for the third congruence. The presented axiom system is especially notable for its axioms that have to do with forward jump instructions.
description: 19 pages, this paper draws somewhat from the preliminaries of arXiv:1502.00238 [cs.PL] and some earlier papers; some remarks added and some remarks reformulated
Poster: Making Edge-assisted LiDAR Perceptions Robust to Lossy Point Cloud Compression
Creators: name: Heo, Jin
name: Phillips, Gregorie
name: Brodin, Per-Erik
name: Gavrilovska, Ada
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Distributed, Parallel, and Cluster Computing (cs.DC)
subject: Multimedia (cs.MM)
subject: Image and Video Processing (eess.IV)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Real-time light detection and ranging (LiDAR) perceptions, e.g., 3D object detection and simultaneous localization and mapping are computationally intensive to mobile devices of limited resources and often offloaded on the edge. Offloading LiDAR perceptions requires compressing the raw sensor data, and lossy compression is used for efficiently reducing the data volume. Lossy compression degrades the quality of LiDAR point clouds, and the perception performance is decreased consequently. In this work, we present an interpolation algorithm improving the quality of a LiDAR point cloud to mitigate the perception performance loss due to lossy compression. The algorithm targets the range image (RI) representation of a point cloud and interpolates points at the RI based on depth gradients. Compared to existing image interpolation algorithms, our algorithm shows a better qualitative result when the point cloud is reconstructed from the interpolated RI. With the preliminary results, we also describe the next steps of the current work.
description: extended abstract of 2 pages, 2 figures, 1 table
Linking multivariate trait variation to the environment: the advantages of double constrained correspondence analysis with the R package douconca
Creators: name: ter Braak, Cajo
name: van Rossum, Bart-Jan
Publisher: name: figshare
Year: 2025
Subjects: classificationCode: 410102
subject: Ecological impacts of climate change and ecological adaptation
classificationCode: 490503
subject: Computational statistics
classificationCode: 490508
subject: Statistical data science

description: Supplemental information to: ter Braak, C.J.F. & van Rossum, B.-J. (2025) Linking Multivariate Trait Variation to the Environment: Advantages of Double Constrained Correspondence Analysis with the R Package Douconca. Ecological Informatics. https://doi.org/10.1016/j.ecoinf.2025.103143 with abstract:Trait-based ecology aims to predict changes in species composition and traits by understanding how species distribution and success are influenced by their traits and environmental conditions. It extends joint species distribution modelling and species-environment relationship studies by incorporating trait data. Traditional methods include RLQ ordination, fourth-corner correlation analysis, and community-weighted means (CWM) regression, with generalized linear mixed models (GLMM) also being used.Through three case studies, we demonstrate that double-constrained correspondence analysis (dc-CA), an ordination method with biplot visualization, is a competitive alternative. Unlike RLQ, dc-CA is regression-based, allowing for model comparison and prediction. It extends CWM-regression and fourth-corner analysis by constructing trait and environmental composites that best explain abundance data and maximizes fourth-corner correlation.In the first case study using Dune Meadow data, dc-CA showed that ecological traits (Ellenberg indicator values) are more closely related to environmental characteristics than functional traits, a conclusion difficult to draw with RLQ. The second case study re-analyses trait-environment relationships in Wisconsin forest understorey vegetation, previously examined by GLMM and fourth-corner correlation analysis. Here, dc-CA identified the leaf economics spectrum, which was less apparent in GLMM. In the third case study on Amazonian and Atlantic forest trees in relation to landscape configuration across six regions, dc-CA summarized multiple CWM-regressions in a single diagram.All three case studies were analysed with the R package douconca, which simplifies the use of dc-CA and enhances trait-environment analysis. Two of the three cases revealed multi-dimensional species-environment relationships, with functional traits explaining only a single dimension, posing the challenge of identifying traits that account for other dimensions.
A Perturbative Approach to the Redshift Space Correlation Function: Beyond the Standard Model
Creators: name: Bose, Benjamin
name: Koyama, Kazuya
Publisher: name: arXiv
Year: 2017
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We extend our previous redshift space power spectrum code to the redshift space correlation function. Here we focus on the Gaussian Streaming Model (GSM). Again, the code accommodates a wide range of modified gravity and dark energy models. For the non-linear real space correlation function used in the GSM, we use the Fourier transform of the RegPT 1-loop matter power spectrum. We compare predictions of the GSM for a Vainshtein screened and Chameleon screened model as well as GR. These predictions are compared to the Fourier transform of the Taruya, Nishimichi and Saito (TNS) redshift space power spectrum model which is fit to N-Body data. We find very good agreement between the Fourier transform of the TNS model and the GSM predictions, with $\leq 6\%$ deviations in the first two correlation function multipoles for all models for separations in $50$Mpc$/h \leq s \leq 180$Mpc/$h$. Excellent agreement is found in the differences between the modified gravity and GR multipole predictions for both approaches to the redshift space correlation function, highlighting their matched ability in picking up deviations from GR. We elucidate the timeliness of such non-standard templates at the dawn of stage-IV surveys and discuss necessary preparations and extensions needed for upcoming high quality data.
description: 21 pages, 8 figures, accepted for publication in JCAP
Current Algebra Formulation of M-theory based on E11 Kac-Moody Algebra
Creators: name: Sugawara, Hirotaka
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Quantum M-theory is formulated using the current algebra technique. The current algebra is based on a Kac-Moody algebra rather than usual finite dimensional Lie algebra. Specifically, I study the $E_{11}$ Kac-Moody algebra that was shown recently to contain all the ingredients of M-theory. Both the internal symmetry and the external Lorentz symmetry can be realized inside $E_{11}$, so that, by constructing the current algebra of $E_{11}$, I obtain both internal gauge theory and gravity theory. The energy-momentum tensor is constructed as the bilinear form of the currents, yielding a system of quantum equations of motion of the currents/fields. Supersymmetry is incorporated in a natural way. The so-called "field-current identity" is built in and, for example, the gravitino field is itself a conserved super-current. One unanticipated outcome is that the quantum gravity equation is not identical to the one obtained from the Einstein-Hilbert action.
description: 20 pages, 1 figure, to be published (IJMPA-D-17-00012)
Compact bifluid hybrid stars: Hadronic Matter mixed with self-interacting fermionic Asymmetric Dark Matter
Creators: name: Mukhopadhyay, Somnath
name: Atta, Debasis
name: Imam, Kouser
name: Basu, D. N.
name: Samanta, C.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The masses and radii of non-rotating and rotating configurations of pure hadronic stars mixed with self-interacting fermionic Asymmetric Dark Matter are calculated within the two-fluid formalism of stellar structure equations in general relativity. The Equation of State (EoS) of nuclear matter is obtained from the density dependent M3Y effective nucleon-nucleon interaction. We consider dark matter particle mass of 1 GeV. The EoS of self-interacting dark matter is taken from two-body repulsive interactions of the scale of strong interactions. We explore the conditions of equal and different rotational frequencies of nuclear matter and dark matter and find that the maximum mass of differentially rotating stars with self-interacting dark matter to be $\sim 1.94 M_\odot$ with radius $\sim 10.4$ kms.
description: 9 pages including 1 table & 8 figures
Deep Uncertainty Surrounding Coastal Flood Risk Projections: A Case Study for New Orleans
Creators: name: Wong, Tony E.
name: Keller, Klaus
Publisher: name: arXiv
Year: 2017
Subjects: subject: Geophysics (physics.geo-ph)
subject: FOS: Physical sciences

description: Future sea-level rise drives severe risks for many coastal communities. Strategies to manage these risks hinge on a sound characterization of the uncertainties. For example, recent studies suggest that large fractions of the Antarctic ice sheet (AIS) may rapidly disintegrate in response to rising global temperatures, leading to potentially several meters of sea-level rise during the next few centuries. It is deeply uncertain, for example, whether such an AIS disintegration will be triggered, how much this would increase sea-level rise, whether extreme storm surges intensify in a warming climate, or which emissions pathway future societies will choose. Here, we assess the impacts of these deep uncertainties on projected flooding probabilities for a levee ring in New Orleans, Louisiana. We use 18 scenarios, presenting probabilistic projections within each one, to sample key deeply uncertain future projections of sea-level rise, radiative forcing pathways, storm surge characterization, and contributions from rapid AIS mass loss. The implications of these deep uncertainties for projected flood risk are thus characterized by a set of 18 probability distribution functions. We use a global sensitivity analysis to assess which mechanisms contribute to uncertainty in projected flood risk over the course of a 50-year design life. In line with previous work, we find that the uncertain storm surge drives the most substantial risk, followed by general AIS dynamics, in our simple model for future flood risk for New Orleans.
Linking multivariate trait variation to the environment: the advantages of double constrained correspondence analysis with the R package douconca
Creators: name: ter Braak, Cajo
name: van Rossum, Bart-Jan
Publisher: name: figshare
Year: 2025
Subjects: classificationCode: 410102
subject: Ecological impacts of climate change and ecological adaptation
classificationCode: 490503
subject: Computational statistics
classificationCode: 490508
subject: Statistical data science

description: Supplemental information to: Ter Braak & van Rossum (2025) “Linking multivariate trait variation to the environment: the advantages of double constrained correspondence analysis with the R package douconca” with preprint at http://dx.doi.org/10.2139/ssrn.5014854 with abstract:Trait-based ecology aims to predict changes in species composition and traits by understanding how species distribution and success are influenced by their traits and environmental conditions. It extends joint species distribution modelling and species-environment relationship studies by incorporating trait data. Traditional methods include RLQ ordination, fourth-corner correlation analysis, and community-weighted means (CWM) regression, with generalized linear mixed models (GLMM) also being used.Through three case studies, we demonstrate that double-constrained correspondence analysis (dc-CA), an ordination method with biplot visualization, is a competitive alternative. Unlike RLQ, dc-CA is regression-based, allowing for model comparison and prediction. It extends CWM-regression and fourth-corner analysis by constructing trait and environmental composites that best explain abundance data and maximizes fourth-corner correlation.In the first case study using Dune Meadow data, dc-CA showed that ecological traits (Ellenberg indicator values) are more closely related to environmental characteristics than functional traits, a conclusion difficult to draw with RLQ. The second case study re-analyses trait-environment relationships in Wisconsin forest understorey vegetation, previously examined by GLMM and fourth-corner correlation analysis. Here, dc-CA identified the leaf economics spectrum, which GLMM missed. In the third case study on Amazonian and Atlantic forest trees in relation to landscape configuration across six regions, dc-CA summarized multiple CWM-regressions in a single diagram.All three case studies were analysed with the R package douconca, which simplifies the use of dc-CA and enhances trait-environment analysis. Two of the three cases revealed multi-dimensional species-environment relationships, with functional traits explaining only a single dimension, posing the challenge of identifying traits that account for other dimensions.
title: Determining Dilute Condition Dissolution Rates with Stirred Reactor Coupon Analysis
Creators: name: Lenting, Christoph
name: Schablack, Simon
name: Ryan, Joseph V.
Publisher: name: Deutsche Geologische Gesellschaft - Geologische Vereinigung e.V. (DGGV)
Year: 2022

description:
With many countries deciding on deep geological disposal of high-level nuclear waste, the corrosion behaviour of the glassy waste matrix is of utmost importance. Multiple studies determined glass dissolution rates under various conditions, resulting in a general rate behaviour scheme of a high initial rate, followed by a low residual rate (plus a potential late-stage increase).

To simulate the impact of groundwater contact with the waste matrix, robust dissolution rate parameters are crucial, but thus far a protocol for interlaboratory comparability was missing.

As part of a waste form development program at Pacific Northwest National Laboratory, the Stirred Reactor Coupon Analysis (SRCA) test method was developed over the last years and used to determine the three dilute rate model parameters [rate constant, activation energy, and pH power law coefficient] for many glass compositions.

The SRCA reactor design is composed of a stirred solution contained in a large volume baffled reactor in which glass coupons are suspended. Dissolution rates are determined by height differences between masked and unmasked areas of each coupon measured post mortem with, e.g., profilometer analysis.

To evaluate the robustness of the method, a round-robin study was initiated with 12 international groups testing four glass composition under various pH/temperature conditions.

With the method proving useful for this application and showing strong potential for use as a bulk measure of glass corrosion, we are attempting to establish a consensus standard procedure recognized by ASTM International. Naturally, applications of the method to other fields of mineralogy and geochemistry are encouraged.
Hysteretic behavior between quasi-two-dimensional flow and three-dimensional flow in forced rotating turbulence
Creators: name: Yokoyama, Naoto
name: Takaoka, Masanori
Publisher: name: arXiv
Year: 2017
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: Conflict between formation of a cyclonic vortex and isotropization in forced homogeneous rotating turbulence is numerically investigated. It is well known that a large rotation rate of the system induces columnar vortices to result in quasi-two-dimensional (Q2D) flow, while a small rotation rate allows turbulence to be three-dimensional (3D). It is found that the transition from the Q2D turbulent flow to the 3D turbulent flow and the reverse transition occur at different values of the rotation rates. At the intermediate rotation rates, bistability of these two statistically steady states is observed. Such hysteretic behavior is also observed for the variation of the amplitude of an external force.
description: 5 pages, 5 figures
Nonexistence of $D(4)$-quintuples
Creators: name: Trebješanin, Marija Bliznac
name: Filipin, Alan
Publisher: name: arXiv
Year: 2017
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: In this paper we prove a conjecture that $D(4)$-quintuple does not exist using both classical and new methods. Also, we give a new version of the Rickert's theorem that can be applied on some $D(4)$-quadruples.
description: 38 pages; some mistakes corrected, some explanations added
Erbium-doped WS$_2$ with Down- and Up-Conversion Photoluminescence Integrated on Silicon for Heterojunction Infrared Photodetection
Creators: name: Li, Qiuguo
name: Rao, Hao
name: Mei, Haijuan
name: Zhao, Zhengting
name: Gong, Weiping
name: Camposeo, Andrea
name: Pisignano, Dario
name: Yang, Xianguang
Publisher: name: arXiv
Year: 2023
Subjects: subject: Applied Physics (physics.app-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The integration of 2D nanomaterials with silicon is expected to enrich the applications of 2D functional nanomaterials and to pave the way for next-generation, nanoscale optoelectronics with enhanced performances. Herein, a strategy for rare earth element doping has been utilized for the synthesis of 2D WS$_2$:Er nanosheets to achieve up-conversion and down-conversion emission ranging from visible to the near-infrared region. Moreover, the potential integration of the synthesized 2D nanosheets in silicon platforms is demonstrated by the realization of an infrared photodetector based on a WS$_2$:Er/Si heterojunction. These devices operate at room temperature and show a high photoresponsivity of ~39.8 mA/W (at 980 nm) and a detectivity of 2.79 $\times$ 10$^{10}$ cm Hz$^{1/2}$ W$^{-1}$. Moreover, the dark current and noise power density are suppressed effectively by van der Waals assisted p-n heterojunction. This work fundamentally contributes to establishing infrared detection by rare element doping of 2D materials in heterojunctions with Si, at the forefront of infrared 2D materials-based photonics.
description: 34 pages, 9 Figures, Advanced Materials Interfaces, 2022
Finding multiple core-periphery pairs in networks
Creators: name: Kojaku, Sadamori
name: Masuda, Naoki
Publisher: name: arXiv
Year: 2017
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Social and Information Networks (cs.SI)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: With a core-periphery structure of networks, core nodes are densely interconnected, peripheral nodes are connected to core nodes to different extents, and peripheral nodes are sparsely interconnected. Core-periphery structure composed of a single core and periphery has been identified for various networks. However, analogous to the observation that many empirical networks are composed of densely interconnected groups of nodes, i.e., communities, a network may be better regarded as a collection of multiple cores and peripheries. We propose a scalable algorithm to detect multiple non-overlapping groups of core-periphery structure in a network. We illustrate our algorithm using synthesised and empirical networks. For example, we find distinct core-periphery pairs with different political leanings in a network of political blogs and separation between international and domestic subnetworks of airports in some single countries in a world-wide airport network.
description: 11 figures and 9 tables. MATLAB codes are available at www.naokimasuda.net/cp_codes.zip
A generalized Stokes system with a nonsmooth slip boundary condition
Creators: name: Zhao, Jing
name: Migorski, Stanislaw
name: Dudek, Sylwia
Publisher: name: arXiv
Year: 2023
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35J66, 35J87, 47J20, 49J40, 76D05

description: A class of quasi-variational-hemivariational inequalities in reflexive Banach spaces is studied. The inequalities contain a convex potential, a locally Lipschitz superpotential, and an implicit obstacle set of constraints. Results on the well posedness are established including existence, uniqueness, dependence of solution on the data, and the compactness of the solution set in the strong topology. The applicability of the results is illustrated by the steady-state Stokes model of a generalized Newtonian incompressible fluid with a nonmonotone slip boundary condition.
description: 21 pages
An automated system to measure the quantum efficiency of CCDs for astronomy
Creators: name: Coles, Rebecca
name: Chiang, James
name: Cinabro, David
name: Haupt, Justine
name: Kotov, Ivan
name: Neal, Homer
name: Nomerotski, Andrei
name: Takacs, Peter
Publisher: name: arXiv
Year: 2017
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We describe a system to measure the Quantum Efficiency in the wavelength range of 300 nm to 1100 nm of 40x40 mm n-channel CCD sensors for the construction of the 3.2 gigapixel LSST focal plane. The technique uses a series of instrument to create a very uniform flux of photons of controllable intensity in the wavelength range of interest across the face the sensor. This allows the absolute Quantum Efficiency to be measured with an accuracy in the 7% range. This system will be part of a production facility at Brookhaven National Lab for the basic component of the LSST camera.
description: Final version was accepted by JINST
title: Participation of refugees and internally displaced persons (IDPs) in research: guidance for researchers from researchers
Creators: name: Lokot, Michelle
name: Hashmi, Iram
name: Hartman, Erin
Publisher: name: London School of Hygiene and Tropical Medicine
Year: 2023

description: This guide is for researchers (including humanitarian practitioners) who are seeking guidance on how to promote the participation of refugees and internally displaced persons (IDPs) within the research process. It is based on a qualitative study exploring how humanitarian practitioners and academics operationalise participation in their research with these populations, with a particular focus on experiences conducting research on gender equality and gender-based violence (GBV). It is also informed by a scoping review on refugee and IDP participation, a review of literature on participation in research, and the collective experiences of the authors of this guide. The guide is intended for researchers, from researchers.
The Southern Wide-field Gamma-ray Observatory
Creators: name: Conceição, Ruben
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The Southern Wide-field Gamma-ray Observatory (SWGO) is an R&D project to plan and design the next observatory to detect gamma rays in the Southern hemisphere. The experiment, planned to be placed at an altitude greater than 4400 m, is primarily based on water Cherenkov detectors units and is expected to measure gamma rays from a few hundred GeV up to the PeV scale. SWGO will complement CTA and the existing ground-based particle detectors of the Northern Hemisphere, namely HAWC and LHAASO, having a rich science programme. The collaboration is highly invested in evaluating different detector and array configurations, prototyping, and site search. In this presentation, I shall present an overview of the project's activities, achievements and future plans.
description: General overview presentation at the ICRC23