cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Enablers and Inhibitors in Causal Justifications of Logic Programs
Creators: name: Cabalar, Pedro
name: Fandinno, Jorge
Publisher: name: arXiv
Year: 2016
Subjects: subject: Logic in Computer Science (cs.LO)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: To appear in Theory and Practice of Logic Programming (TPLP). In this paper we propose an extension of logic programming (LP) where each default literal derived from the well-founded model is associated to a justification represented as an algebraic expression. This expression contains both causal explanations (in the form of proof graphs built with rule labels) and terms under the scope of negation that stand for conditions that enable or disable the application of causal rules. Using some examples, we discuss how these new conditions, we respectively call "enablers" and "inhibitors", are intimately related to default negation and have an essentially different nature from regular cause-effect relations. The most important result is a formal comparison to the recent algebraic approaches for justifications in LP: "Why-not Provenance" (WnP) and "Causal Graphs" (CG). We show that the current approach extends both WnP and CG justifications under the Well-Founded Semantics and, as a byproduct, we also establish a formal relation between these two approaches.
The van der Waals fluid and its role in cosmology
Creators: name: Jantsch, Rudinei C. S.
name: Christmann, Marcus H. B.
name: Kremer, Gilberto M.
Publisher: name: arXiv
Year: 2016
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We analyze the properties of a generic cosmological fluid described by the van der Waals equation of state. Exact solutions for the energy density evolution are found as implicit functions of the scale factor for a flat Friedmann-Robertson-Walker space-time. The possible values of the free parameter in the van der Waals equation are selected \emph{a posteriori}, in accordance with asymptotic behaviors that are physically relevant. The stability of the model against small perturbations is studied through the hydrodynamic perturbations of the fluid for the relevant cases. It is found that a van der Waals fluid seems appropriate to describe non-eternal inflationary scenarios.
description: 8 pages, 2 figures, left and right frames of fig.1 were not in the correct order as was explained in the text
A unified concept of effective one component plasma for hot dense plasmas
Creators: name: Clérouin, Jean
name: Arnault, Philippe
name: Ticknor, Christopher
name: Kress, Joel D.
name: Collins, Lee A.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Orbital-free molecular dynamics simulations are used to benchmark two popular models for hot dense plasmas: the one component plasma (OCP) and the Yukawa model. A unified concept emerges where an effective OCP (eOCP) is constructed from the short-range structure of the plasma. An unambiguous ionization and the screening length can be defined and used for a Yukawa system, which reproduces the long range structure with finite compressibility. Similarly, the dispersion relation of longitudinal waves is consistent with the screened model at vanishing wavenumber but merges with the OCP at high wavenumber. Additionally, the eOCP reproduces the overall relaxation timescales of the correlation functions associated with ionic motion. In the hot dense regime, this unified concept of eOCP can be fruitfully applied to deduce properties such as the equation of state, ionic transport coefficients, and the ion feature in x-ray Thomson scattering experiments.
description: 5 pages, 4 Figures and Supplemental with 1 Figure Accepted for publication in PRL, Physical Review Letters 2016
Taming the germyliumylidene [CIGe:](+) and germathionium [CIGe=S](+) ions by donor-acceptor stabilization using 1,8-bis(tributylphosphazenyl)naphthalene
Creators: name: Xiong, Yun
name: Yao, Shenglai
name: Inoue, Shigeyoshi
name: Berkefeld, Andreas
name: Drieß, Matthias
Publisher: name: Technische Universität Berlin
Year: 2012
Subjects: subject: 540 Chemie und zugeordnete Wissenschaften

description: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
description: This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
description: The novel chlorogermyliumylidene complex L[ClGe:]+ (L = 1,8-bis(tri-n-butylphosphanzenyl)naphthalene) with a ‘naked’ Cl− as a counter anion was synthesized through reaction of L with Cl2Ge: and fully characterized. Its reaction with elemental sulfur afforded the first germathionium [ClGe[double bond, length as m-dash]S]+ cation containing species. The latter has also been fully characterized, including single-crystal X-ray diffraction analysis.
Generalized Gray codes with prescribed ends
Creators: name: Dvořák, Tomáš
name: Gregor, Petr
name: Koubek, Václav
Publisher: name: arXiv
Year: 2016
Subjects: subject: Discrete Mathematics (cs.DM)
subject: FOS: Computer and information sciences
subject: G.2.2
subject: 05C38, 05C70

description: An $n$-bit Gray code is a sequence of all $n$-bit strings such that consecutive strings differ in a single bit. It is well-known that given $α,β\in\{0,1\}^n$, an $n$-bit Gray code between $α$ and $β$ exists iff the Hamming distance $d(α,β)$ of $α$ and $β$ is odd. We generalize this classical result to $k$ pairwise disjoint pairs $α_i, β_i\in\{0,1\}^n$: if $d(α_i,β_i)$ is odd for all $i$ and $k1$ with one exception in the case when $n = k + 1 = 4$. Our result is optimal in the sense that for every $n>2$ there are $n$ pairwise disjoint pairs $α_i,β_i\in\{0,1\}^n$ with $d(α_i,β_i)$ odd for which such sequences do not exist.
description: 30 pages, 2 figures
Comparison of the design and methodology of Phase 3 clinical trials of bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF) and dolutegravir-based dual therapy (DTG) in HIV: a systematic review of the literature
Creators: name: Grau, Santiago
name: Miró, Jose Maria
name: Olalla, Julian
name: Alcalá, Juan C
name: Castro, Antonio
name: Rubio-Rodríguez, Dario
name: Rubio-Terrés, Carlos
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Current recommended antiretroviral regimens include a combination of two (dual; DT) or three (triple; TT) antiretroviral drugs. This study aims to determine whether the quality of evidence from clinical trials of dolutegravir (dolutegravir/lamivudine [DTG/3TC] or dolutegravir/rilpivirine [DTG/RPV]) is methodologically comparable to that of clinical trials conducted with bictegravir/emtricitabine/tenofovir alafenamide (BIC/FTC/TAF). A systematic review of the medical literature was carried out in PubMed without date or language restrictions, following the PRISMA guidelines. All aspects of the methodological design of phase 3 randomized clinical trials (RCTs) of DT and TT, evaluated by the European Medicines Agency (registration trials), were reviewed. The quality of clinical trials was assessed using the Jadad scale. The search identified 5, 3 and 2 phase 3 RCTs with BIC/FTC/TAF, DTG/3TC and DTG/RPV, respectively, that met the inclusion criteria. The designs would not be comparable due to differences in pre-randomization losses, blinding, patient recruitment, as well as differences in methodological quality, with the average score of the RCTs conducted with BIC/FTC/TAF, DTG/3TC and DTG/RPV being 4.2 (high quality), 3.0 (medium quality) and 3.0 (medium quality), respectively. Due to methodological differences between the BIC/FTC/TAF, DTG/3TC and DTG/RPV RCTs, the results of these are not comparable.
Physical parameters and long-term photometric variability of V1481 Ori, a SB2 member of Orion Nebula Cluster with an accreting component
Creators: name: Messina, Sergio
name: Parihar, Padmakar
name: Biazzo, Katia
name: Lanza, Antonino F.
name: Distefano, Elisa
name: Melo, Claudio H. F.
name: Bradstreet, David
name: Herbst, William
Publisher: name: arXiv
Year: 2015
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present the results of our analysis on V1481 Ori (JW 239), a young SB2 in the Orion Nebula Cluster with a circumbinary disc accreting on the lower-mass component. The analysis is based on high-resolution spectroscopic data and high-quality photometric time series about 20-yr long. Thanks to the spectroscopy, we confirm the binary nature of this system consisting of M3 + M4 components and derive the mass ratio M_B/M_A = 0.54, a variable luminosity ratio L_B/L_A = 0.68--0.94, and an orbital period P_orb = 4.433d. The photometric data allowed us to measure the rotation periods of the two components P_phot = 4.4351d and they are found to be synchronized with the orbital period. The simultaneous modeling of V-, I-band, and radial velocity curves in the 2005 season suggests that the variability is dominated by one hot spot on the secondary component covering at least about 3.5% of the stellar surface and about 420K hotter than the unperturbed photosphere. Such a spot may originate from the material of the circumbinary disc accreting onto the secondary component. We also detect an apparent 6-yr periodic variation in the position of this hot spot, which is inferred from the phase migration of the light curve maximum, which we interpret as due to either the presence of surface differential rotation as large as 0.065%, a value compatible with the fully convective components, or to a periodic exchange of angular momentum between the disc and the star, which implies a minimum magnetic field strength of 650G at the stellar surface.
description: 13 pages, 8 figures, 6 tables, 1 online table, Accepted by MNRAS
Edith Steins Projekt zur Vermittlung von thomasischer und phänomenologischer Philosophie und die Spannung zwischen Philosophie und Theologie
Creators: name: Beckmann-Zöller, Beate
Publisher: name: Edith Stein Jahrbuch
Year: 2025

description: 1641946520
description: Edith Stein Jahrbuch, V. 23 (2017): Edith Stein Jahrbuch, Band 23
Wissadula cuspidata Bovini 2009
Creators: name: Bovini, Massimo G.
name: Baumgratz, José Fernando A.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Malvales
Malvaceae
Wissadula
Wissadula cuspidata

description: 6. Wissadula cuspidata (R. E. Fr.) Bovini (2009: 17).
 Wissadula patens (A.St.-Hil.) Garcke subsp. c uspidata R.E.Fr. (1908: 43). Type:— BRAZIL. Mato Grosso, Santa Anna da Chapada, 28 June 1902, fl., A. Robert 341 (lectotype: BM!, RB, photo!, designated by Bovini 2009).
Shrubs 1–2 m tall, erects. Branches pubescent, trichomes hyaline, minutely glandular, ferrugineous, fasciculate and fasciculate-stipitate, caducous. Stipules ca. 0.5 cm long., linear to lanceolate, apex long acuminate, free, caducous. Leaves with petioles ca. 6 cm long, indumentum and trichomes similar to that of the branches; lamina 2–12.5 × 1.5–6 cm, membranaceous to chartaceous, green discolour, lanceolate to ovate, base attenuate, apex acute to acuminate, margin entire; adaxial surface glabrous, abaxial surface velutinous, trichomes whitish, fasciculate and multiradiate-stipitate, and venation conspicuous. Synflorescence frondose-bracteate, pyramidal, lax; coflorescences double-racemes, 20–25 cm long; accessory axis reduced, 2(–3) flowers; anthopodium 1.7–2 cm long, pubescent, trichomes ferrugineous and hyaline, fasciculate. Flowers with pedicels 9–10 mm long, indumentum and trichomes like the anthopodium; calyx 3–4 mm long, sepals free to the middle below to medium portion, not accrescent in fruit, adaxial surface pubescent, trichomes fasciculate, ferrugineous and hyaline, abaxial surface puberulous, few trichomes simple, long; corolla 0.8– 0.9 cm diam, beige, without dark center; staminal column with few trichomes hyaline, simple and fasciculate-stipitate, free portion of filaments ca. 2 mm long, few trichomes hyaline, simple; ovary 4–5-celled, 3 ovules per cell; style ca. 3 mm long. Schizocarp 0.8–0.9 cm diam; 4–5 mericarps, 7–8 × 3–4 mm, spines ca. 2 mm long, constriction conspicuous, puberulous, trichomes glandular; seeds 3, ca. 2 mm long, hilum pubescent, trichomes simple, short. Figures 6a–c.
  Representative Specimens Examined — BRAZIL. Mato Grosso:  Aripuanã, Dardanelos, 15 June 1974, fl., M. R. Cordeiro 69 (CTES, IAN).
 Etymology— The epithet cuspidata is an allusion to the shape of the cuspidate leaf apex.
  Distribution —  It occurs in Brazil and is endemic to the State of Mato Grosso do Sul.
  Note— Wissadula cuspidata  is characterized mainly by leaves with glabrous adaxial surface, acute to cuspidate apex, and attenuate base. Its corolla also has a smaller diameter (8–9 mm) than that of the most similar species, W. excelsior.
description: Published as part of Bovini, Massimo G. & Baumgratz, José Fernando A., 2016, Taxonomic revision of Wissadula (Malvoideae, Malvaceae) in Brazil, pp. 201-234 in Phytotaxa 243 (3) on page 217, DOI: 10.11646/phytotaxa.243.3.1, http://zenodo.org/record/13680975
Innovation as driver to support open scholarly publishing
Creators: name: Schulte, Judith Katharina
name: Avanço, Karla
Publisher: name: Zenodo
Year: 2023

description: OPERAS is the Research Infrastructure dedicated to open scholarly communication in the Social Sciences and Humanities. In terms of open science, research should not only be responsive to societal needs but co-created in deep dialogue with society itself. The Research Infrastructure focuses on “open scholarly communication”, thus directly enabling this dialogue with society and, within the ESFRI landscape, positioning OPERAS at the convergence of different axes (namely, FAIR data and publications), with an higher capacity to engage with other infrastructures for a fully functional European Research Infrastructure ecosystem. As a distributed infrastructure, OPERAS is the catalyst in sharing knowledge and know-how, in the adoption of practices to increase the quality, efficiency and return economic and cultural investments both on the sides of the service providers and the content creators. OPERAS increases the quality, visibility and impact of research in the Humanities and Social Sciences by providing relevant and community-based open scholarly communication services. OPERAS promotes diversity of languages, formats, cultures, publishing and linguistic practices. As an infrastructure with a robust range of services, OPERAS is a sanctuary to boost multilingualism, publishing diversity (i.e bibliodiversity), and scholarly inclusion. And its capacity building boosts the transition to Open Access for academic imprints, it supports Open Access publishers that actively practise equitable models. OPERAS offers a comprehensive approach to scholarly communication, supporting the entire cycle of scholarly communication, and enabling greater community control over openness and accessibility. OPERAS aggregates, federates, and scales up resources, providing services to increase the overall quality of SSH research. OPERAS’ services are designed according to the same pattern that originates in its overall mission of federation: they pool, aggregate, or federate existing resources from across Europe to deliver to European researchers a single access point from where they can benefit from the full range of the resources rather than being limited to the local ones. And OPERAS builds on new innovative components to convince users of the benefit of the tools.
description: This poster was presented during the 4th Open Science Fair (25-27 September, Madrid, Spain)
Proper image subtraction - optimal transient detection, photometry and hypothesis testing
Creators: name: Zackay, Barak
name: Ofek, Eran O.
name: Gal-Yam, Avishay
Publisher: name: arXiv
Year: 2016
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: Transient detection and flux measurement via image subtraction stand at the base of time domain astronomy. Due to the varying seeing conditions, the image subtraction process is non-trivial, and existing solutions suffer from a variety of problems. Starting from basic statistical principles, we develop the optimal statistic for transient detection, flux measurement and any image-difference hypothesis testing. We derive a closed-form statistic that: (i) Is mathematically proven to be the optimal transient detection statistic in the limit of background-dominated noise; (ii) Is numerically stable; (iii) For accurately registered, adequately sampled images, does not leave subtraction or deconvolution artifacts; (iv) Allows automatic transient detection to the theoretical sensitivity limit by providing credible detection significance; (v) Has uncorrelated white noise; (vi) Is a sufficient statistic for any further statistical test on the difference image, and in particular, allows to distinguish particle hits and other image artifacts from real transients; (vii) Is symmetric to the exchange of the new and reference images; (viii) Is at least an order of magnitude faster to compute than some popular methods; and (ix) Is straightforward to implement. Furthermore, we present extensions of this method that make it resilient to registration errors, color-refraction errors, and any noise source that can be modelled. In addition, we show that the optimal way to prepare a reference image is the proper image coaddition presented in Zackay \& Ofek (2015b). We demonstrate this method on simulated data and real observations from the Palomar Transient Factory data release 2. We provide an implementation of this algorithm in MATLAB and Python.
description: Comments are welcome. Authors name corrected
Latindex's Open Science Path
Creators: name: Polanco-Cortés, Jorge
name: Sánchez Islas, Liliana Andrea
Publisher: name: Zenodo
Year: 2023

description: The Regional Online Information System for Scientific Journals in Latin America, the Caribbean, Spain and Portugal, Latindex, has its origins in the 1990s with the mission of giving visibility to scientific and academic journals in Ibero-American countries. The system evolved in parallel with the dynamics of scientific communication, so that in addition to promoting good editorial practices in the region, proposing criteria for the selection of journals and disseminating written scientific production, it became an agent of change, where it proactively generates actions and processes to strengthen open access to scientific knowledge generated in Ibero-America. Therefore, the aim of this paper is to highlight the actions that Latindex has carried out in the promotion of open access. Latindex has been recognised as a bridge for the circulation of scientific knowledge in Latin America as it promotes dialogue between experts and scientific agents throughout the region and rescues local experiences in the editing and publication of journals. The synergy generated by the 34 experts that make up the System strengthens the strategies that contribute to the discussion and analysis of policies and evaluation processes of scientific work in the region and to the consolidation of open access. Latindex's actions in support of open science include increasing the visibility, interoperability and quality of journals in the region, and influencing science policy by signing the declaration of support and recognition to UNESCO for the Open Science Recommendation, which was approved by 193 countries in November 2021. Latindex also participated in the Mexico Declaration in favour of the Latin American non-commercial open access ecosystem. One of the characteristics of Latindex is its vocation for teaching. All its members frequently participate in academic activities where they discuss the strengthening and improvement of the quality of scientific journals, as well as promoting open science and advocating for non-commercial open access in the region. Latindex's online course on Publishing and Visibility of Scientific Journals has a specific module to raise awareness of the importance and good practices of open science. Finally, Latindex also contributes to open science through its indexing features. As a quality criterion for entry into the Catalogue 2.0, the journal is required to offer data such as: The use of persistent identifiers, interoperability protocols, metadata standard and declaration of licenses for the use of information, all in accordance with FAIR principles.
description: This poster was presented during the 4th Open Science Fair (25-27 September, Madrid, Spain)
Widening of Hydrous Shear Zones During Incipient Eclogitization of Metastable Dry and Rigid Lower Crust—Holsnøy, Western Norway
Creators: name: Kaatz, Lisa
name: Zertani, Sascha
name: Moulas, Evangelos
name: John, Timm
name: Labrousse, Loïc
name: Schmalholz, Stefan M.
name: Andersen, Torgeir B.
Publisher: name: FID GEO
Year: 2021
Subjects: subject: 551.8
subject: eclogitization
subject: fluid‐induced weakening
subject: fluid‐rock interaction
subject: shear zone widening

description: The partially eclogitized crustal rocks on Holsnøy in the Bergen Arcs, Norway, indicate that eclogitization is caused by the interplay of brittle and ductile deformation promoted by fluid infiltration and fluid‐rock interaction. Eclogitization generated an interconnected network of millimeter‐to‐kilometer‐wide hydrous eclogite‐facies shear zones, which presumably caused transient weakening of the mechanically strong lower crust. To decipher the development of those networks, we combine detailed lithological and structural mapping of two key outcrops with numerical modeling. Both outcrops are largely composed of preserved granulite with minor eclogite‐facies shear zones, thus representing the beginning phases of eclogitization and ductile deformation. We suggest that deformation promoted fluid‐rock interaction and eclogitization, which gradually consumed the granulite until fluid‐induced reactions were no longer significant. The shear zones widen during progressive deformation. To identify the key parameters that impact shear zone widening, we generated scale‐independent numerical models, which focus on different processes affecting the shear zone evolution: (i) rotation of the shear zones caused by finite deformation, (ii) mechanical weakening due to a limited amount of available fluid, and (iii) weakening and further hydration of the shear zones as a result of continuous and unlimited fluid supply. A continuous diffusion‐type fluid infiltration, with an effective diffusion coefficient around D=10−16m2s, coupled with deformation is prone to develop structures similar to the ones mapped in field. Our results suggest that the shear zones formed under a continuous fluid supply, causing shear zone widening, rather than localization, during progressive deformation.
description: Key Points: Continuous fluid supply causes shear zone widening. Shear zones widen during strain accumulation.
description: Deutsche Forschungsgemeinschaft (DFG) http://dx.doi.org/10.13039/501100001659
description: Norges Forskningsråd http://dx.doi.org/10.13039/501100005416
Monitoring Observations of the Jupiter-Family Comet 17P/Holmes during 2014 Perihelion Passage
Creators: name: Kwon, Yuna Grace
name: Ishiguro, Masateru
name: Hanayama, Hidekazu
name: Kuroda, Daisuke
name: Honda, Satoshi
name: Takahashi, Jun
name: Kim, Yoonyoung
name: Lee, Myung Gyoon
name: Choi, Young-Jun
name: Kim, Myung-Jin
name: Vaubaillon, Jeremie J.
name: Miyaji, Takeshi
name: Yanagisawa, Kenshi
name: Yoshida, Michitoshi
name: Ohta, Kouji
name: Kawai, Nobuyuki
name: Fukushima, Hideo
name: Watanabe, Jun-ichi
Publisher: name: arXiv
Year: 2015
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We performed a monitoring observation of a Jupiter-Family comet, 17P/Holmes, during its 2014 perihelion passage to investigate its secular change in activity. The comet has drawn the attention of astronomers since its historic outburst in 2007, and this occasion was its first perihelion passage since then. We analyzed the obtained data using aperture photometry package and derived the Afrho parameter, a proxy for the dust production rate. We found that Afrho showed asymmetric properties with respect to the perihelion passage: it increased moderately from 100 cm at the heliocentric distance r_h=2.6-3.1 AU to a maximal value of 185 cm at r_h = 2.2 AU (near the perihelion) during the inbound orbit, while dropping rapidly to 35 cm at r_h = 3.2 AU during the outbound orbit. We applied a model for characterizing dust production rates as a function of r_h and found that the fractional active area of the cometary nucleus had dropped from 20%-40% in 2008-2011 (around the aphelion) to 0.1%-0.3% in 2014-2015 (around the perihelion). This result suggests that a dust mantle would have developed rapidly in only one orbital revolution around the sun. Although a minor eruption was observed on UT 2015 January 26 at r_h = 3.0 AU, the areas excavated by the 2007 outburst would be covered with a layer of dust (
description: 25 pages, 6 figures, 2 tables, ApJ accepted on December 29, 2015
Bound collective modes in nonuniform superconductors
Creators: name: Hammer, Andrew R.
name: Vorontsov, Anton B.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We study dynamics of a superconducting condensate in the presence of a domain wall defect in the order parameter. We find that broken translation and reflection symmetries result in new collective excitations, bound to the domain wall region. Two additional amplitude/Higgs modes lie below the bulk pairbreaking edge $2Δ$; one of them is a Goldstone mode with vanishing excitation energy. Spectrum of bound collective modes is related to the topological structure and stability of the domain wall. The `unbound' bulk collective modes and transverse gauge field mostly propagate across the domain wall, but the longitudinal component of the gauge field is completely reflected. Softening of the amplitude mode suggests reduced damping and possible route to its detection in geometrically confined superfluids or in superconductor-ferromagnetic heterostructures.
»Wo immer meines Lebens Straße geht, / Bist Du bei mir, / Nichts kann von Deiner Liebe je mich scheiden«
Creators: name: Kerremans, Ilse
Publisher: name: Edith Stein Jahrbuch
Year: 2025

description: 1641946407
description: Edith Stein Jahrbuch, V. 23 (2017): Edith Stein Jahrbuch, Band 23
Line of magnetic monopoles and an extension of the Aharonov-Bohm effect
Creators: name: Chee, J.
name: Lu, W.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In the Landau problem on the two-dimensional plane, magnetic translation of a quantum wave can be induced by an in-plane electric field. The geometric phase accompanying such magnetic translation around a closed path differs from the topological phase of Aharonov and Bohm in two essential aspects: The wave is in direct contact with the magnetic flux and the geometric phase has an opposite sign from the Aharonov-Bohm phase. We show that magnetic translation on the two-dimensional cylinder implemented by the Schrödinger time evolution truly leads to the Aharonov-Bohm effect. The magnetic field normal to the cylinder's surface is given by a line of magnetic monopoles which can be simulated in cold atom experiments. We propose an extension of the Aharonov-Bohm experiment which can demonstrate the mutually counteracting effect between the local magnetic translation geometric phase and the topological phase of Aharonov and Bohm.
description: 12 pages, 1 figure, remarks and two references added about relations with some recent experiments, minor changes and corrections
Bayesian Genome- and Epigenome-wide Association Studies with Gene Level Dependence
Creators: name: Lock, Eric F.
name: Dunson, David B.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Methodology (stat.ME)
subject: Genomics (q-bio.GN)
subject: Applications (stat.AP)
subject: FOS: Computer and information sciences
subject: FOS: Biological sciences

description: High-throughput genetic and epigenetic data are often screened for associations with an observed phenotype. For example, one may wish to test hundreds of thousands of genetic variants, or DNA methylation sites, for an association with disease status. These genomic variables can naturally be grouped by the gene they encode, among other criteria. However, standard practice in such applications is independent screening with a universal correction for multiplicity. We propose a Bayesian approach in which the prior probability of an association for a given genomic variable depends on its gene, and the gene-specific probabilities are modeled nonparametrically. This hierarchical model allows for appropriate gene and genome-wide multiplicity adjustments, and can be incorporated into a variety of Bayesian association screening methodologies with negligible increase in computational complexity. We describe an application to screening for differences in DNA methylation between lower grade glioma and glioblastoma multiforme tumor samples from The Cancer Genome Atlas. Software is available via the package BayesianScreening for R at https://github.com/lockEF/BayesianScreening .
description: 23 pages, 7 figures
Edith Stein, der Dominikanerorden und die Karmeliten
Creators: name: Müller-Baußmann, Harald
Publisher: name: Edith Stein Jahrbuch
Year: 2025

description: 1641946350
description: Edith Stein Jahrbuch, V. 23 (2017): Edith Stein Jahrbuch, Band 23
Evolutionary and topological properties of gene modules and driver mutations in a leukemia gene regulatory network
Creators: name: Szedlak, Anthony
name: Smith, Nicholas
name: Liu, Li
name: Paternostro, Giovanni
name: Piermarocchi, Carlo
Publisher: name: arXiv
Year: 2015
Subjects: subject: Molecular Networks (q-bio.MN)
subject: FOS: Biological sciences

description: The diverse, specialized genes in today's lifeforms evolved from a common core of ancient, elementary genes. However, these genes did not evolve individually: gene expression is controlled by a complex network of interactions, and alterations in one gene may drive reciprocal changes in its proteins' binding partners. We show that the topology of a leukemia gene regulatory network is strongly coupled with evolutionary properties. Slowly-evolving ("cold"), old genes tend to interact with each other, as do rapidly-evolving ("hot"), young genes, causing genes to evolve in clusters. We argue that gene duplication placed old, cold genes at the center of the network, and young, hot genes on the periphery, and demonstrate this with single-node centrality measures and two new measures of efficiency. Integrating centrality measures with evolutionary information, we define a medically-relevant "cancer network core," strongly enriched for common cancer mutations ($p=2\times 10^{-14}$). This could aid in identifying driver mutations and therapeutic targets.
description: 9 pages, 3 figures
Assessing the similarity of dose response and target doses in two non-overlapping subgroups
Creators: name: Bretz, Frank
name: Möllenhoff, Kathrin
name: Dette, Holger
name: Liu, Wei
name: Trampisch, Matthias
Publisher: name: Technische Universität Dortmund
Year: 2016
Subjects: subject: equivalence testing
subject: subgroup analyses
subject: target dose estimation
subject: multiregional trial
subject: 310
subject: 330
subject: 620

description: We consider two problems that are attracting increasing attention in clinical dose finding studies. First, we assess the similarity of two non-linear regression models for two non-overlapping subgroups of patients over a restricted covariate space. To this end, we derive a confidence interval for the maximum difference between the two given models. If this confidence interval excludes the equivalence margins, similarity of dose response can be claimed. Second, we address the problem of demonstrating the similarity of two target doses for two non-overlapping subgroups, using again a confidence interval based approach. We illustrate the proposed methods with a real case study and investigate their operating characteristics (coverage probabilities, Type I error rates, power) via simulation.
description: Discussion Paper / SFB823;36, 2016
Thermometry of Guided Molecular Beams from a Cryogenic Buffer-Gas Cell
Creators: name: Wu, X.
name: Gantner, T.
name: Zeppenfeld, M.
name: Chervenkov, S.
name: Rempe, G.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: We present a comprehensive characterization of cold molecular beams from a cryogenic buffer-gas cell, providing an insight into the physics of buffer-gas cooling. Cold molecular beams are extracted from a cryogenic cell by electrostatic guiding, which is also used to measure their velocity distribution. Molecules' rotational-state distribution is probed via radio-frequency resonant depletion spectroscopy. With the help of complete trajectory simulations, yielding the guiding efficiency for all of the thermally populated states, we are able to determine both the rotational and the translational temperature of the molecules at the output of the buffer-gas cell. This thermometry method is demonstrated for various regimes of buffer-gas cooling and beam formation as well as for molecular species of different sizes, $\rm{CH_3F}$ and $\rm{CF_3CCH}$. Comparison between the rotational and translational temperatures provides evidence of faster rotational thermalization for the $\rm{CH_3F-He}$ system in the limit of low He density. In addition, the relaxation rates for different rotational states appear to be different.
Structured illumination microscopy image reconstruction algorithm
Creators: name: Lal, Amit
name: Shan, Chunyan
name: Xi, Peng
Publisher: name: arXiv
Year: 2016
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Structured illumination microscopy (SIM) is a very important super-resolution microscopy technique, which provides high speed super-resolution with about two-fold spatial resolution enhancement. Several attempts aimed at improving the performance of SIM reconstruction algorithm have been reported. However, most of these highlight only one specific aspect of the SIM reconstruction -- such as the determination of the illumination pattern phase shift accurately -- whereas other key elements -- such as determination of modulation factor, estimation of object power spectrum, Wiener filtering frequency components with inclusion of object power spectrum information, translocating and the merging of the overlapping frequency components -- are usually glossed over superficially. In addition, most of the work reported lie scattered throughout the literature and a comprehensive review of the theoretical background is found lacking. The purpose of the present work is two-fold: 1) to collect the essential theoretical details of SIM algorithm at one place, thereby making them readily accessible to readers for the first time; and 2) to provide an open source SIM reconstruction code (named OpenSIM), which enables users to interactively vary the code parameters and study it's effect on reconstructed SIM image.
description: OpenSIM code may be downloaded from: https://github.com/LanMai/OpenSIM
Level of openness in Serbian science: Potentials of eNauka (national CRIS)
Creators: name: Kosanovic, Biljana
name: Otasevic, Vladimir
name: Stijovic, Dusan
Publisher: name: Zenodo
Year: 2023

description: CRIS systems usually playing very relevant role in every scientific community. The question is if they could be used for boosting and measure the implementation of Open Access and Data policies at research-performing organizations. In the last 6 years there is a huge progress in the implementation of the repository network in Serbia. Starting from the national PhD thesis portal (2015), today we are talking about 86 Research Performing Organizations (RPO) that have their own repositories. Majority of them are developed under open source software: dSpace (38), ePrints (12), Phaidra (16). Those who followed OpenAIRE Guidelines for Literature Repositories v3, can now use very useful tools such as OpenAIRE Open Science observatory (https://osobservatory.openaire.eu/country/RS/overview ) or OpenAIRE Monitor (https://monitor.openaire.eu/dashboard/belgrade ). Based on these activities Serbian Government decide to develop (funding) national CRIS system based on information harvested from the repositories. Repository Development Team at the University of Belgrade Computer Centre (TRAP-RCUB) was selected to develop the software infrastructure. The public portal eNauka (https://enauka.gov.rs/ , dSpace CRIS 6.3) started to work at November, 2022. We use this developer role to push forward more Open Science on priority list, using: PIDs for all kind of entities (ROR for RPO, ORCID for researchers, DOI or hendles for documents) promote OpenCitations as a very usefull open infrastructure for evaluation implementing measures based on UnPay Wall tool measure the Openness of all entities eNauka is the one-stop-shop for researchers (and funders) to deal with all the administrative requirements. We will try to make it also openness-checker, ie. if the entities meet the research funders’ policies with regard to Open Science.
description: This poster was presented during the 4th Open Science Fair (25-27 September, Madrid, Spain)
Probing the phase transition of aqueous solutions of linear low molecular weight poly(N-isopropylacrylamide) by dielectric spectroscopy
Creators: name: Füllbrandt, Marieke
name: Klitzing, Regine Von
name: Schönhals, Andreas
Publisher: name: Technische Universität Berlin
Year: 2012
Subjects: subject: 530 Physik

description: Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
description: This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.
description: Aqueous solutions of linear poly(N-isopropylacrylamide) (pNIPAM) with different polymer concentrations are investigated using dielectric spectroscopy in a frequency range of 10−1 Hz to 106 Hz at temperatures from 15 °C to 50 °C. The phase transition of pNIPAM is monitored by both the temperature (T) and the frequency (f) dependence of the conductivity spectra σ*(f, T). First, the T-dependence of the DC conductivity σ′DC is investigated and the phase transition (“coil-to-globule” transition) at the lower critical solution temperature (LCST) of pNIPAM is deduced by a change in the T-dependence of σ′DC. The observed hysteresis between heating and cooling runs is discussed in detail in dependence on both the polymer concentration and the rate. Second, for the first time a pronounced f-dependence of the real part of conductivity σ′ is observed at temperatures above the LCST whereas at temperatures below the LCST the conductivity spectra are more or less similar to that of water (frequency independent). This f-dependence of σ′ is assigned to the formation of a kind of soft particle (“globular structure”) at the LCST which is more or less impermeable to water and ions therefore giving rise to Maxwell–Wagner–Sillars (MWS) polarization effects (blocking of charges at the soft particle). The dependence on the concentration is studied in detail.
Influence of competition in minimal systems with discontinuous absorbing phase transitions
Creators: name: Pianegonda, Salete
name: Fiore, C. E.
Publisher: name: arXiv
Year: 2016
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Contact processes (CP's) with particle creation requiring a minimal neighborhood (restrictive or threshold CP's) present a novel sort of discontinuous absorbing transitions, that revealed itself robust under the inclusion of different ingredients, such as distinct lattice topologies, particle annihilations and diffusion. Here, we tackle on the influence of competition between restrictive and standard dynamics (that describes the usual CP and a continuous DP transition is presented). Systems have been studied via mean-field theory (MFT) and numerical simulations. Results show partial contrast between MFT and numerical results. While the former predicts that considerable competition rates are required to shift the phase transition, the latter reveals the change occurs for rather limited (small) fractions. Thus, unlike previous ingredients (such as diffusion and others), limited competitive rates suppress the phase coexistence.
description: 8 pages, 6 figures
Wissadula delicata Bovini 2010
Creators: name: Bovini, Massimo G.
name: Baumgratz, José Fernando A.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Malvales
Malvaceae
Wissadula
Wissadula delicata

description: 8. Wissadula delicata Bovini (2010: 435). Type:— BRAZIL. Mato Grosso do Sul, Ladário, 8 September 1984, fl., C. A. Conceição 1569 (holotype: RB!, isotype: CTES!).
Shrubs ca. 1 m tall, erect (?). Branches pubescent, trichomes fasciculate and fasciculate-stipitate, caducous. Stipules ca. 1 cm long, linear, free, caducous, tomentose, trichomes fasciculate, ferrugineous. Leaves with petioles 0.5–2 cm long, indumentum and trichomes similar to that of theto branches; lamina 1.5–3.5 × 0.7–1.7 cm, membranaceous, green discolor, deltoid, rare sub-cordiform, base truncate to subcordate, apex rounded, rare acute, margin entire, sometimes also serrate; adaxial surface puberulous, trichomes simple, glandular and fasciculate; abaxial surface velutinous, trichomes whitish, fasciculate. Synflorescence frondose-bracteate, pyramidal, lax; coflorescences double-raceme, 4–6 cm long; anthopodium ca. 2 cm long, tomentose, trichomes glandular and fasciculate; 2 bracts, persistent, linears, ca. 1 mm long, trichomes simple and glandular. Flowers with pedicel ca. 8 mm long, indumentum and trichomes like the anthopodium; calyx ca. 5 mm long sepals free to the middle below to medium portion, little accrescent in fruit, adaxial surface villous, trichomes simple, long; abaxial surface pubescent; corolla ca. 2 cm diam, yellow, without dark center; staminal column with trichomes simple, hyaline, free portion of filaments ca. 3 mm long, few trichomes hyaline, simple; ovary 4–celled, 3 ovules per cell; style ca. 4 mm long. Schizocarp ca. 1 cm diam; 4 mericarps, 8–9 × 3–4 mm, spines ca. 1 mm long, constriction conspicuous, puberulous, trichomes hyaline, fasciculate; seeds 3, ca. 2 mm long, hilum lanose, trichomes simple, long.
 Representative Specimens Examined— BRAZIL. Mato Grosso do Sul: Corumbá, margem do Paraguai, 1 October 1953, fl., E. Pereira et al. 147 (RB); morro da região do Castelo, 17 October 2002, fr., I. M. Bortolotto et al. 1117 (COR, CTES).
 Etymology— the epithet delicata is an allusion to the delicate life form of the species.
 Distribution— The species is endemic to the State of Mato Grosso do Sul, Brazil.
  Note— Wissadula delicata  differs from other species, in particular, those occurring in the Pantanal, by the small, deltoid, rarely subcordate leaves, with an entire or serrate margin, and corolla with ca. 2 cm of diameter, which is considered large for the genus. It is closely related to W. paraguariensis, which is distinguished by the presence of a purplish tint on the corolla’s center, fasciculate trichomes on fusion of the carpels, and the distal region of the mericarp.
description: Published as part of Bovini, Massimo G. & Baumgratz, José Fernando A., 2016, Taxonomic revision of Wissadula (Malvoideae, Malvaceae) in Brazil, pp. 201-234 in Phytotaxa 243 (3) on page 219, DOI: 10.11646/phytotaxa.243.3.1, http://zenodo.org/record/13680975
Unveiling the physics of low luminosity AGN through X-ray variability: LINER versus Seyfert 2
Creators: name: Hernandez-Garcia, Lorena
name: Masegosa, Josefa
name: Gonzalez-Martin, Omaira
name: Marquez, Isabel
name: Perea, Jaime
Publisher: name: arXiv
Year: 2016
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: X-ray variability is very common in active galactic nuclei (AGN), but these variations may not occur similarly in different families of AGN. We aim to disentangle the structure of low ionization nuclear emission line regions (LINERs) compared to Seyfert 2s by the study of their spectral properties and X-ray variations. We assembled the X-ray spectral parameters and variability patterns, which were obtained from simultaneous spectral fittings. Major differences are observed in the X-ray luminosities, and the Eddington ratios, which are higher in Seyfert 2s. Short-term X-ray variations were not detected, while long-term changes are common in LINERs and Seyfert 2s. Compton-thick sources generally do not show variations, most probably because the AGN is not accesible in the 0.5--10 keV energy band. The changes are mostly related with variations in the nuclear continuum, but other patterns of variability show that variations in the absorbers and at soft energies can be present in a few cases. We conclude that the X-ray variations may occur similarly in LINERs and Seyfert 2s, i.e., they are related to the nuclear continuum, although they might have different accretion mechanisms. Variations at UV frequencies are detected in LINER nuclei but not in Seyfert 2s. This is suggestive of at least some LINERs having an unobstructed view of the inner disc where the UV emission might take place, being UV variations common in them. This result might be compatible with the disappeareance of the torus and/or the broad line region in at least some LINERs.
description: 14 pages, 8 figures, accepted for publication in ApJ