cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Proving a conjecture on chromatic polynomials by counting the number of acyclic orientations
Creators: name: Dong, Fengming
name: Ge, Jun
name: Gong, Helin
name: Ning, Bo
name: Ouyang, Zhangdong
name: Tay, Eng Guan
Publisher: name: arXiv
Year: 2018
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 05C31, 05C20

description: The chromatic polynomial $P(G,x)$ of a graph $G$ of order $n$ can be expressed as $\sum\limits_{i=1}^n(-1)^{n-i}a_{i}x^i$, where $a_i$ is interpreted as the number of broken-cycle free spanning subgraphs of $G$ with exactly $i$ components. The parameter $ε(G)=\sum\limits_{i=1}^n (n-i)a_i/\sum\limits_{i=1}^n a_i$ is the mean size of a broken-cycle-free spanning subgraph of $G$. In this article, we confirm and strengthen a conjecture proposed by Lundow and Markström in 2006 that $ε(T_n)< ε(G)
description: 20 pages, 23 references. To appear in J. Graph Theory
Brief von Leopold Zunz von Verein für Cultur und Wissenschaft der Juden an Isaac Levin Auerbach, 07.06.1822
Creators: name: (:Unkn) Unknown
Publisher: name: Universitäts- und Landesbibliothek Sachsen-Anhalt
Year: 1822
Subjects: subject: 090

description: Bitte um Votum zur Aufnahme von Lazarus Bendavid und Moritz Breidenbach in den Verein
„Krass lehramtsbezogen“ – Lehramtsstudierende wünschen sich mehr Kohärenz in ihrem Studium
Creators: name: Wagener, Uta
name: Reimer, Monika
name: Lüschen, Iris
name: Schlesier, Juliane
name: Moschner, Barbara
Publisher: name: Herausforderung Lehrer*innenbildung - Zeitschrift zur Konzeption, Gestaltung und Diskussion
Year: 2019

description: In der vorliegenden Studie wurde untersucht, welche Vorstellungen und Wünsche die Studierenden bezüglich eines optimalen Lehramtsstudiums haben. In diesem Beitrag wird der Fokus auf Aussagen zu Kohärenz im Studium gelegt, da nach Darling-Hammond (2006) Kohärenzerfahrung einen wichtigen Aspekt eines guten Studiums darstellt. Die Fragestellung lautet: „Inwiefern äußern Lehramtsstudierende im Rahmen ihrer Vorstellungen von einem optimalen Lehramtsstudium Aspekte, die im Sinne von Kohärenz im Lehramtsstudium gedeutet werden können?“ Die Daten wurden in Gruppendiskussionen (n=120) und Interviews (n=50) mit Studierenden erhoben und mit Hilfe der qualitativen Inhaltsanalyse nach Mayring (2015) analysiert. Obwohl in den Impulsen und Fragen das Thema Kohärenz nicht angesprochen wurde, haben Studierende fehlende Kohärenz kritisiert oder vorhandene Kohärenz positiv hervorgehoben. Die Aussagen lassen sich zwei Oberkategorien zuordnen. Die erste Kategorie umfasst Wünsche nach mehr Kohärenz innerhalb des Studiums zwischen verschiedenen Veranstaltungen und Modulen. Die zweite Kategorie beinhaltet den Wunsch der Studierenden nach mehr Kohärenz zwischen den Anforderungen und Inhalten im Studium und dem angestrebten Berufsziel sowie zwischen theoretischem Wissen und praktischen Erfahrungen. Für ein optimales Studium erscheint es notwendig, mehr für Studierende wahrnehmbare Kohärenz zwischen Lehrveranstaltungen zu schaffen, verstärkt Praxisanteile ins Lehramtsstudium zu integrieren und diese intensiver mit den universitären Veranstaltungen zu verknüpfen. Wie die Entwicklung von Kompetenzen und die Vermittlung berufsbezogenen Wissens an den Universitäten erfolgen kann, muss stärker in den Blick genommen werden; auch müssen die Grenzen und die Chancen einer universitären Ausbildung klarer benannt und den Studierenden gegenüber transparent gemacht werden.
description: Herausforderung Lehrer*innenbildung - Zeitschrift zur Konzeption, Gestaltung und Diskussion, Bd. 2 Nr. 1 (2019): Herausforderung Lehrer_innenbildung - Ausgabe 2
Comment on "Dispersive bottleneck delaying thermalization of turbulent Bose-Einstein Condensates" by Krstulovic and Brachet [arXiv:1007.4441]
Creators: name: Kozik, Evgeny
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We reveal the connection of the recent numerical observations of Krstulovic and Brachet [arXiv:1007.4441] with the general theory of relaxation kinetics of the strongly non-equilibrium Bose-Einstein condensates.
description: comment on arXiv:1007.4441, published version, minor stylistic changes
Probing Twisted Magnetic Field Using Microwave Observations in an M Class Solar Flare on 11 February, 2014
Creators: name: Sharykin, I. N.
name: Kuznetsov, A. A.
name: Myshyakov, I. I.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: This work demonstrates the possibility of magnetic field topology investigations using microwave polarimetric observations. We study a solar flare of GOES M1.7 class that occurred on 11 February, 2014. This flare revealed a clear signature of spatial inversion of the radio emission polarization sign. We show that the observed polarization pattern can be explained by nonthermal gyrosynchrotron emission from the twisted magnetic structure. Using observations of the Reuven Ramaty High Energy Solar Spectroscopic Imager, Nobeyama Radio Observatory, Radio Solar Telescope Network, and Solar Dynamics Observatory, we have determined the parameters of nonthermal electrons and thermal plasma and identified the magnetic structure where the flare energy release occurred. To reconstruct the coronal magnetic field, we use nonlinear force-free field (NLFFF) and potential magnetic field approaches. Radio emission of nonthermal electrons is simulated by the GX Simulator code using the extrapolated magnetic field and the parameters of nonthermal electrons and thermal plasma inferred from the observations; the model radio maps and spectra are compared with observations. We have found that the potential magnetic field approach fails to explain the observed circular polarization pattern; on the other hand, the Stokes $V$ map is successfully explained by assuming nonthermal electrons to be distributed along the twisted magnetic structure determined by the NLFFF extrapolation approach. Thus, we show that the radio polarization maps can be used for diagnosing the topology of the flare magnetic structures where nonthermal electrons are injected.
BioExcel Deliverable D5.4 – Governance and Business Plan
Creators: name: Noack, Holger
name: Harrow, Ian
name: Bonvin, Alexandre
name: Carter, Adam
name: Apostolov, Rossen
name: Laure, Erwin
Publisher: name: Zenodo
Year: 2019

description: This governance and business plan shows how we intend to build a sustainable and resilient organisation. We provide rough estimates of our self-cost throughout the document based on available data about the diverse kind of personnel at different institutions in different countries. This business plan is not a commitment to be executed exactly as is. Rather, every time we get to a point to actually deliver a service or a product, the efforts and the cost will need to be negotiated based on the information we have available then. Section one gives a brief introduction into the field biomolecular computational research and explains, how we as a Center of Excellence positon ourselves in this environment. In section two, we present the main stakeholders of the ecosystem and provide the estimate that our user community contains at least 15.000 active users. We discuss findings from surveys among academic and industrial users, showing that usability aspects, compatibility of software, and quality of prediction are major concerns. We further present data from HPC market studies, based on which we estimate that the European market for biomolecular HPC software has a size of ca €170 million in 2018. In section three we discuss the added value that our center provides to the community. We argue, that through our work, users receive better software and have access to more support, which in turn improves the quality of research that is performed. We break down the cost for the main activities of our center in section four, and argue that these cost need to be covered through public funding. In section five, we motivate our intention to develop commercial offerings and describe three concrete business opportunities that we are currently exploring. This section is followed by a description of our marketing approach. Our organisational structure and its governance is described in section seven, including the description of the process for the formation of a legal entity. In section eight we look at our resources and argue that our employees are our most valuable assets. We indicate how the social enterprise could move ahead to fund product development and initiate its operations, and we conclude this document in section nine with an outlook to BioExcel 2, the next phase of the Horizon 2020 project starting in 2019.
Additional file 7: of Metabolomic signatures distinguish the impact of formula carbohydrates on disease outcome in a preterm piglet model of NEC
Creators: name: Call, Lee
name: Stoll, Barbara
name: Oosterloo, Berthe
name: Ajami, Nadim
name: Fariha Sheikh
name: Wittke, Anja
name: Waworuntu, Rosaline
name: Berg, Brian
name: Petrosino, Joseph
name: Oluyinka Olutoye
name: Burrin, Douglas
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Relative abundance of the four most abundant classes in gastrointestinal contents, comparing Healthy to NEC. Box-and-whisker plots for class-level comparisons between piglets which developed NEC and those which did not develop NEC during the course of the experiment, using samples of stomach, ileum, and colon luminal contents from all piglets which were fed one of the three different formulas; Holm-Bonferroni adjusted Mann-Whitney U tests. (PDF 159Â kb)
Detection of long nulls in PSR B1706$-$16, a pulsar with large timing irregularities
Creators: name: Naidu, Arun
name: Joshi, Bhal Chandra
name: Manoharan, P. K
name: Krishnakumar, M. A
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Single pulse observations, characterizing in detail, the nulling behaviour of PSR B1706$-$16 are being reported for the first time in this paper. Our regular long duration monitoring of this pulsar reveals long nulls of 2 to 5 hours with an overall nulling fraction of 31$\pm$2\%. The pulsar shows two distinct phases of emission. It is usually in an active phase, characterized by pulsations interspersed with shorter nulls, with a nulling fraction of about 15 \%, but it also rarely switches to an inactive phase, consisting of long nulls. The nulls in this pulsar are concurrent between 326.5 and 610 MHz. Profile mode changes accompanied by changes in fluctuation properties are seen in this pulsar, which switches from mode A before a null to mode B after the null. The distribution of null durations in this pulsar is bimodal. With its occasional long nulls, PSR B1706$-$16 joins the small group of intermediate nullers, which lie between the classical nullers and the intermittent pulsars. Similar to other intermediate nullers, PSR B1706$-$16 shows high timing noise, which could be due to its rare long nulls if one assumes that the slowdown rate during such nulls is different from that during the bursts.
description: Accepted for publication in MNRAS
Color Variability of the Blazar AO 0235+16
Creators: name: Hagen-Thorn, V. A.
name: Larionov, V. M.
name: Raiteri, C. M.
name: Hagen-Thorn, E. I.
name: Shapiro, A. V.
name: Arkharov, A. A.
name: Takalo, L. O.
name: Sillanpaa, A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Multicolor (UBVRIJHK) observations of the blazar AO 0235+16 are analyzed. The light curves were compiled at the Turin Observatory from literature data and the results of observations obtained in the framework of the WEBT program (http://www.to.astro/blazars/webt/). The color variability of the blazar was studied in eight time intervals with a sufficient number of multicolor optical observations; JHK data are available for only one of these. The spectral energy distribution (SED) of the variable component remained constant within each interval, but varied strongly from one interval to another. After correction for dust absorption, the SED can be represented by a power law in all cases, providing evidence for a synchrotron nature of the variable component. We show that the variability at both optical and IR wavelengths is associated with the same variable source.
description: 11 pages, 9 figures, 4 tables, accepted for publication in Astronomy Reports
CMA1 is potent prognostic marker and associates with immune infiltration in gastric cancer
Creators: name: Shi, Shanping
name: Ye, Shazhou
name: Mao, Jianmei
name: Ru, Yuqing
name: Lu, Yicong
name: Wu, Xiaoyue
name: Xu, Mingjun
name: Zhu, Tingwei
name: Wang, Yibo
name: Chen, Yuanming
name: Tang, Xiaoli
name: Xi, Yang
Publisher: name: Taylor & Francis
Year: 2020
Subjects: subject: Biophysics
subject: Medicine
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified
subject: Cancer
subject: Infectious Diseases
subject: FOS: Health sciences

description: Background: Chymase 1 (CMA1), a gene known to be expressed in mast cells (MCs), is largely linked to immunity. However, the relationship between CMA1 and prognosis of multiple tumours and tumour-infiltrating lymphocytes (TILs) remains elusive. Methods: The differential expressions of CMA1 in different tumours and their corresponding normal tissues were evaluated via exploring Tumour Immune Estimation Resource (TIMER) and Oncomine database; the correlation within expression level of CMA1 and outcome of cancer patients was evaluated via Kaplan–Meier plotter and Gene Expression Profiling Interactive Analysis (GEPIA) database; the correlation between CMA1 and tumour immune cell infiltration was further investigated by TIMER; additionally, the correlation between CMA1 and gene signature pattern of immune infiltration were checked using TIMER and GEPIA. Results: There were significant differences in CMA1 expression levels between gastric cancer (GC) tissues and adjacent normal tissues. The high expression of CMA1 was closed related to poor overall survival (OS) and progression-free survival (PFS) in patients with GC (OS HR = 1.50, p = .00015; PFS HR = 1.33, p = .016). Especially, in GC patients at N1, N2 and N3 stages, high CMA1 expression was correlated with poor OS and PFS, but not with NO (p = .15, .09). The expression of CMA1 was positively associated with the levels of infiltrated CD4+, CD8+ T cells, neutrophils, macrophages, and dendritic cells (DCs) in GC. Whereas, CMA1 expression was considerably associated with various immune markers. Conclusion: CMA1 is a key gene whose expression level is significantly correlated with GC prognosis and infiltration levels of CD8+, CD4+ T cells, neutrophils, macrophages, and DCs in GC. In addition, the expression of CMA1 may be involved in regulating tumour-associated macrophages (TAMs), dendritic cells, exhausted T cells and regulatory T cells in GC. It suggests that CMA1 could be utilized as a prognostic marker and a sign of immune infiltration in GC.
MPEC 2024-U105 : 2024 US2
Creators: name: Minor Planet Center Staff
Publisher: name: The Minor Planet Center
Year: 2024
Subjects: subject: Small Solar System bodies
valueUri: http://astrothesaurus.org/uat/1469
subject: 2024 US2

description: The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements.  They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Additional file 3: of Identification of five novel genetic loci related to facial morphology by genome-wide association studies
Creators: name: Seongwon Cha
name: Lim, Ji
name: Park, Ah
name: Jun-Hyeong Do
name: Lee, Si
name: Shin, Chol
name: Cho, Nam
name: Ji-One Kang
name: Nam, Jeong
name: Kim, Jong-Sik
name: Kwang-Man Woo
name: Seung-Hwan Lee
name: Kim, Jong
name: Bermseok Oh
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Table S3. Heritability of 85 facial traits from the Phase 1 population. (DOCX 19 kb)
Retarded Gravitation Theory
Creators: name: Raju, C. K.
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: We propose a Lorentz-covariant theory of gravity, and explain its theoretical origins in the problem of time in Newtonian physics. In this retarded gravitation theory (RGT), the gravitational force depends upon both retarded position and velocity, and the equations of motion are time-asymmetric retarded functional differential equations. We explicitly solve these equations, under simplifying assumptions, for various NASA spacecraft. This shows that the differences from Newtonian gravity, though tiny within the solar system, are just appropriate to explain the flyby anomaly as a v/c effect due to earth's rotation. The differences can, however, be large in the case of a spiral galaxy, and we show that the combined velocity drag from a large number of co-rotating stars enormously speeds up a test particle. Thus, the non-Newtonian behaviour of rotation curves in a spiral galaxy may be explained as being due to velocity drag rather than dark matter. RGT can also be tested in the laboratory. It necessitates a reappraisal of current laboratory methods of determining the Newtonian gravitational constant G. Since RGT makes no speculative assumptions, its refutation would have serious implications across physics.
description: Invited talk at the Sixth International School on Field Theory and Gravitation, Petropolis, 2012. Revised introduction
Tilting theory for Gorenstein rings in dimension one
Creators: name: Buchweitz, Ragnar-Olaf
name: Iyama, Osamu
name: Yamaura, Kota
Publisher: name: arXiv
Year: 2018
Subjects: subject: Representation Theory (math.RT)
subject: Commutative Algebra (math.AC)
subject: Algebraic Geometry (math.AG)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics

description: For a $Z$-graded Gorenstein ring $R$, we study the stable category $CM^ZR$ of $Z$-graded maximal Cohen-Macaulay $R$-modules, which is canonically triangle equivalent to the singularity category of Buchweitz and Orlov. Its thick subcategory given as the stable category of $CM_0^ZR$ is central in representation theory since it enjoys Auslander-Reiten-Serre duality and has almost split triangles. In the case $dim R=1$, we prove that the stable category of $CM_0^ZR$ always admits a silting object, and that it admits a tilting object if and only if either $R$ is regular or the $a$-invariant of $R$ is non-negative.
description: 22 pages
Additional file 4: of Hepatic transcriptome profile of sheep (Ovis aries) in response to overgrazing: novel genes and pathways revealed
Creators: name: Ren, Weibo
name: Badgery, Warwick
name: Ding, Yong
name: Guo, Huiqin
name: Gao, Yang
name: Zhang, Jize
Publisher: name: figshare
Year: 2019
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Molecular Biology
subject: Pharmacology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: FOS: Chemical sciences
subject: Plant Biology
subject: Virology

description: Table S3.. The primers used for the qPCR analysis. (DOC 29 kb)
Table S1
Creators: name: 戚, 钧文
Publisher: name: figshare
Year: 2024
Subjects: classificationCode: 310703
subject: Microbial ecology
classificationCode: 320210
subject: Geriatrics and gerontology
classificationCode: 320209
subject: Gastroenterology and hepatology

description: Statistical analysis of fecal and serum BAs
Energy equipartition and minimal radius in entropic gravity
Creators: name: Sahlmann, Hanno
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this article, we investigate the assumption of equipartition of energy in arguments for the entropic nature of gravity. It has already been pointed out by other authors that equipartition is not valid for low temperatures. Here we additionally point out that it is similarly not valid for systems with bounded energy. Many explanations for black hole entropy suggest that the microscopic systems responsible have a finite dimensional state space, and thus finite maximum energy. Assuming this to be the case leads to drastic corrections to Newton's law for high gravitational fields, and, in particular, to a singularity in acceleration at finite radius away from a point mass. This is suggestive of the physics at the Schwarzschild radius. We show, however, that the location of the singularity scales differently.
description: 5 pages, 3 figures, uses RevTeX 4.1. v2: Some references, and note on size of corrections added, some cosmetic changes. Now identical with published version
Quantum interference channels
Creators: name: Savov, Ivan
name: Fawzi, Omar
name: Wilde, Mark M.
name: Sen, Pranab
name: Hayden, Patrick
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: Information Theory (cs.IT)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The discrete memoryless interference channel is modelled as a conditional probability distribution with two outputs depending on two inputs and has widespread applications in practical communication scenarios. In this paper, we introduce and study the quantum interference channel, a generalization of a two-input, two-output memoryless channel to the setting of quantum Shannon theory. We discuss three different coding strategies and obtain corresponding achievable rate regions for quantum interference channels. We calculate the capacity regions in the special cases of "very strong" and "strong" interference. The achievability proof in the case of "strong" interference exploits a novel quantum simultaneous decoder for two-sender quantum multiple access channels. We formulate a conjecture regarding the existence of a quantum simultaneous decoder in the three-sender case and use it to state the rates achievable by a quantum Han-Kobayashi strategy.
description: 10 pages, 2 figures, submitted to the 2011 Allerton Conference on Communication, Control, and Computing; v3 has a proof for a two-sender quantum simultaneous decoder and as a result, we get the capacity for channels with strong interference
Anomalous magnetic and spin glass behavior in Nb substituted LaCo$_{1-x}$Nb$_x$O$_3$
Creators: name: Shukla, Rishabh
name: Dhaka, R. S.
Publisher: name: arXiv
Year: 2018
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report the structural, magnetic, transport and electronic properties of Nb substituted LaCo$_{1-x}$Nb$_x$O$_3$ ($x =$ 0--0.2). The Rietveld analysis of x-ray diffraction data demonstrate structural phase transitions from rhombohedral to orthorhombic and further to monoclinic with increasing the Nb concentration up to $x \ge$ 0.2. Interestingly, we observed dramatic changes in the magnetization (M) with increasing the Nb concentration, as the M sharply increases below 10~K even at 2.5\% substitution. Furthermore, ac susceptibility data show the spin-glass behavior in $x=$ 0.1 sample. We find that the density of states near the Fermi level decreases and the activation energy increases, which results in the decreasing conductivity with higher Nb concentration. A significant shift in the peak position of A$_{2g}$ phonon mode has been observed using Raman spectroscopy, which indicates the change in the coupling due to the structural distortion with Nb substitution. The core-level photoemission study confirms that the Nb is present in 5+ valence state. Our study reveals that the nonmagnetic Nb$^{5+}$ ($d^0$) substitution converts Co$^{3+}$ ions to Co$^{2+}$ and stabilize both in the high-spin state. Our results suggest that structural and spin-state transitions as well as the difference in the ionic radii between Nb$^{5+}$ and Co$^{3+}$ are playing an important role in tuning the physical properties.
description: to appear in PRB
The Green-Schwarz Mechanism and Geometric Anomaly Relations in 2d (0,2) F-theory Vacua
Creators: name: Weigand, Timo
name: Xu, Fengjun
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the structure of gauge and gravitational anomalies in 2d N=(0,2) theories obtained by compactification of F-theory on elliptically fibered Calabi-Yau 5-folds. Abelian gauge anomalies, induced at 1-loop in perturbation theory, are cancelled by a generalized Green-Schwarz mechanism operating at the level of chiral scalar fields in the 2d supergravity theory. We derive closed expressions for the gravitational and the non-abelian and abelian gauge anomalies including the Green-Schwarz counterterms. These expressions involve topological invariants of the underlying elliptic fibration and the gauge background thereon. Cancellation of anomalies in the effective theory predicts intricate topological identities which must hold on every elliptically fibered Calabi-Yau 5-fold. We verify these relations in a non-trivial example, but their proof from a purely mathematical perspective remains as an interesting open problem. Some of the identities we find on elliptic 5-folds are related in an intriguing way to previously studied topological identities governing the structure of anomalies in 6d N=(1,0) and 4d N=1 theories obtained from F-theory.
description: 42 pages
Determining the stability of genetic switches: explicitly accounting for mRNA noise
Creators: name: Assaf, Michael
name: Roberts, Elijah
name: Luthey-Schulten, Zaida
Publisher: name: arXiv
Year: 2011
Subjects: subject: Molecular Networks (q-bio.MN)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Biological sciences
subject: FOS: Physical sciences

description: Cells use genetic switches to shift between alternate gene expression states, e.g., to adapt to new environments or to follow a developmental pathway. Here, we study the dynamics of switching in a generic-feedback on/off switch. Unlike protein-only models, we explicitly account for stochastic fluctuations of mRNA, which have a dramatic impact on switch dynamics. Employing the WKB theory to treat the underlying chemical master equations, we obtain accurate results for the quasi-stationary distributions of mRNA and protein copy numbers and for the mean switching time, starting from either state. Our analytical results agree well with Monte Carlo simulations. Importantly, one can use the approach to study the effect of varying biological parameters on switch stability.
description: 4 pages, 4 figures, slightly revised version. Accepted for publication in Phys. Rev. Lett
Additional file 2 of Depth-related variability in viral communities in highly stratified sulfidic mine tailings
Creators: name: Gao, Shao-Ming
name: Schippers, Axel
name: Chen, Nan
name: Yuan, Yang
name: Zhang, Miao-Miao
name: Li, Qi
name: Liao, Bin
name: Shu, Wen-Sheng
name: Huang, Li-Nan
Publisher: name: figshare
Year: 2020
Subjects: subject: Microbiology
subject: FOS: Biological sciences

description: Additional file 2: Fig. S1 Pearson’s correlations between the biotic and abiotic factors with a color gradient denoting Pearson’s correlation coefficients and the number of asterisk corresponds to the Pearson’s statistic for the corresponding correlations (* 0.01 ≤ P < 0.05, ** 0.001 ≤ P < 0.01, and ***P < 0.001). Fig. S2 Environmental drivers of prokaryotic and viral community composition. Pairwise comparisons of environmental factors are shown with a color gradient denoting Pearson’s correlation coefficients. Viral and prokaryotic taxonomic community composition was related to each environmental factor by Mantel tests. Edge width corresponds to the Mantel’s r statistic for the corresponding distance correlations, and edge color denotes the statistical significance. EC, electronic conductivity; TOC, total organic carbon; TP, total phosphorus; TS, total sulfur. Fig. S3 Bar graphs showing the relative abundance of viruses encoding the indicator COGs in surface tailings (orange) and deeper layers (blue) and pie charts showing percent composition of viruses that encode the indicator COGs in each layers. Fig. S4 Photos of the two tailings cores from the Fankou Pb/Zn Mine located in Guangdong Province.
PERITRAUMATIC DISTRESS INVENTORY IN THE COURSE OF THE COVID-19 PANDEMIC
Creators: name: Nikopoulou, Vasiliki Aliki
name: Holeva, Vasiliki
name: Parlapani, Eleni
name: Karamouzi, Panayiota
name: Giazkoulidou, Aikaterini
name: Tsipropoulou, Virginia
name: Pelitoglou, Konstantina
name: Kerasidou, Maria Dialechti
name: Diakogiannis, Ioannis
Publisher: name: Hellenic Journal of Psychology
Year: 2021
Subjects: COVID-19; Greek PDI; Peritraumatic Distress Inventory

description: The context of the present study was the COVID-19 pandemic, which has become an unprecedented global health emergency inducing a considerable degree of uncertainty, fear, concern, and worry. Peritraumatic reactions may contribute to the development of Acute Post-traumatic Stress Disorder (PTSD) and the prediction of full PTSD. The aim of this study was to validate the Peritraumatic Distress Inventory (PDI) in a Greek sample during the outbreak of COVID-19 pandemic and explore its association with PTSD as assessed by PTSD-8. A total of 2,827 patients completed the PDI along with validated scales measuring post-traumatic, anxiety and depressive symptoms. CFA confirmed both the unifactorial model, with modest fit, and the bifactorial model of PDI with acceptable fit in the Greek sample. The three- and the four-factor models were not supported. Overall, the scale demonstrated good psychometric properties in the Greek population and can be considered a useful instrument to assess elevated stress during traumatic crises.
description: Hellenic Journal of Psychology, Vol 18, No 2 (2021)
Enhanced neutrino signals from dark matter annihilation in the Sun via metastable mediators
Creators: name: Bell, Nicole F.
name: Petraki, Kalliopi
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We calculate the neutrino signal resulting from annihilation of secluded dark matter in the Sun. In this class of models, dark matter annihilates first into metastable mediators, which subsequently decay into Standard Model particles. If the mediators are long lived, they will propagate out from the dense solar core before decaying. High energy neutrinos undergo absorption in the Sun. In the standard scenario in which neutrinos are produced directly in the centre of the Sun, absorption is relevant for E > 100 GeV, resulting in a significant suppression of the neutrino spectrum beyond E ~ 1 TeV. In the secluded dark matter scenario, the neutrino signal is greatly enhanced because neutrinos are injected away from the core, at lower density. Since the solar density falls exponentially with radius, metastable mediators have a significant effect on the neutrino flux, even for decay lengths which are small compared to the solar radius. Moreover, since neutrino detection cross sections grow with energy, this enhancement of the high energy region of the neutrino spectrum would have a large effect on overall event rates.
description: 20 pages, 8 figures
Optical spectroscopy of Arp220: the star formation history of the closest ULIRG
Creators: name: Zaurin, J. Rodriguez
name: Tadhunter, C. N.
name: Delgado, R. M. Gonzalez
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present optical spectra of the merging system Arp 220,taken with the William Herschel Telescope(WHT) on La Palma. These data were taken with the aim of investigating the evolution and star formation history of this object. Spectral synthesis modelling has been used to estimate the ages of the stellar populations found in the diffuse light sampled by the spectra. The data show a remarkable uniformity in the stellar populations across the full 65 arcsec covered by our slit positions, sampling the measurable extent of the galaxy. The results are consistent with a dominant intermediate-age stellar population (ISP) with age 0.5 < t_{ISP} $\leq$ 0.9 Gyr that is present at all locations, with varying contributions from a young ($\leq$ 0.1 Gyr) stellar population (YSP) component. However, it is notable that while the flux contribution of the YSP component in the extended regions is relatively small ($\leq$ 40%), adequate fits in the nuclear region are only found for combinations with a significant contribution of a YSP component (22 - 63%). Moreover, while a low intrinsic reddening (E(B - V)$\lsim$ 0.3) is found for the ISPs in the extended regions, intrinsic reddening values as high as E(B - V) ~ 1.0 are required in the galactic center. This clearly reflects the presence of a reddening gradient, with higher concentrations of gas and dust towards the nuclear regions, coinciding with dust lanes in the HST images. Overall, our results are consistent with models that predict an epoch of enhanced star formation coinciding with the first pass of the merging nuclei (represented by the ISP), with a further episode of star formation occurring as the nuclei finally merge together (represented by the YSP and ULIRG).
description: 12 pages,3 Tables, 4 figures, accepted for publication in MNRAS
SUPPORTING CHILD AND FAMILY WELLBEING THROUGH NATURE DURING THE PANDEMIC
Creators: name: Barrable, Alexia
name: Molesey, Paul
name: Touloumakos, Anna
name: Booth, David
Publisher: name: Hellenic Journal of Psychology
Year: 2021
Subjects: nature; wellbeing; mental health; children; pandemic

description: The global pandemic of COVID-19 poses many unprecedented challenges on our way of life. Since the introduction of social distancing measures as one of our biggest weapons in slowing the spread of disease and mitigating the effects on the health services, other challenges have been introduced. One of these is the challenge of supporting and maintaining wellbeing in children and families. A way to achieve this is through maintaining our contact and connection with the non-human natural world. Regular contact with the natural world has been found to have benefits for our mental and physical health. The aim of this paper is to identify how families can gain the benefits of nature engagement, in the instances where the access might be limited or non-existent Whilst we are able to identify a number of opportunities and mechanisms for nature contact and connection to promoting family wellbeing there are some methodological challenges remaining, given that a significant number of research papers exploring the affective influence of nature contact and connection focuses on adults. We also identify a number of areas where research would be beneficial to better understand the mediating influences on wellbeing from nature contact and connection.
description: Hellenic Journal of Psychology, Vol 18, No 2 (2021)
Finite-volume Correction to the Pion Decay Constant in the Epsilon-Regime
Creators: name: Damgaard, Poul H.
name: DeGrand, Thomas
name: Fukaya, Hidenori
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: In the chiral limit of QCD, the pion decay constant F can be extracted from lattice gauge theory by means of a coupling to isospin chemical potential. Here we compute the leading correction due to finite volume in the epsilon-expansion of chiral perturbation theory. A comparison is made to recent Monte Carlo data.
description: 7 pages. Corrects an error in the published version
MOESM4 of The remarkable plethora of infestation-responsive Q-type C2H2 transcription factors in potato
Creators: name: Lawrence, Susan
name: Novak, Nicole
Publisher: name: figshare
Year: 2018
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Developmental Biology
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Plant Biology
subject: Computational Biology

description: Additional file 4: Figure S1. Alignments of the StZFP2-like transcripts detail the coverage of SRA data and confirm the expression of all unique genes.
Light-meson masses in an unquenched quark model
Creators: name: Chen, Xiaoyun
name: Ping, Jialun
name: Roberts, Craig D.
name: Segovia, Jorge
Publisher: name: arXiv
Year: 2017
Subjects: subject: Nuclear Theory (nucl-th)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We perform a coupled-channels calculation of the masses of light mesons with the quantum numbers $IJ^{P=-}$, $(I,J)=0,1$, by including $q\bar{q}$ and $(q\bar{q})^2$ components in a nonrelativistic chiral quark model. The coupling between two- and four-quark configurations is realized through a $^3P_0$ quark-pair creation model. With the usual form of this operator, the mass shifts are large and negative, an outcome which raises serious issues of validity for the quenched quark model. Herein, therefore, we introduce some improvements of the $^3P_0$ operator in order to reduce the size of the mass shifts. By introducing two simple factors, physically well motivated, the coupling between $q\bar{q}$ and $(q\bar{q})^2$ components is weakened, producing mass shifts that are around 10-20% of hadron bare masses.
description: 10 pages, 1 figure, 7 tables
ALLIANCE RUPTURES AND EMBODIED AROUSAL IN PSYCHODYNAMIC PSYCHOTHERAPY: AN EXPLORATORY STUDY
Creators: name: Mylona, Anna
name: Avdi, Evrinomy
Publisher: name: Hellenic Journal of Psychology
Year: 2021
Subjects: Alliance ruptures; Autonomic nervous system; Embodied arousal; Psychodynamic psychotherapy

description: This exploratory study aimed to deepen our understanding of relational and embodied processes implicated in psychotherapy, by examining the association of alliance ruptures with therapeutic dyad’s autonomic arousal during psychotherapy sessions. A central assumption of the study was that the therapeutic alliance is a core and dynamic aspect of therapy process, shaped by the mutual influence of therapist and client on both verbal/explicit and embodied/implicit levels. The research material consisted of 12 video-recorded sessions drawn from seven psychodynamic therapy cases; it included data regarding the activation of the autonomic nervous system, as reflected in the Absolute Stress Vector, an index derived from heart-rate measurements, and ruptures in the therapeutic alliance, as coded by the Rupture Resolution Rating System. A multilevel model (MLM) was applied to explore possible relationships between autonomic arousal and the specific type of rupture (no rupture, withdrawal, confrontation, mixed). The MLM showed that clients displayed higher autonomic arousal during periods of mixed ruptures compared to periods of no rupture, of confrontation and withdrawal rupture; and lower arousal during episodes of confrontation ruptures as compared to periods of no rupture. Based on this exploratory study, mixed ruptures seem to reflect a distinct pattern of disaffiliation in the therapeutic relationship and which merits further investigation in relation to its contribution to the therapy process.
description: Hellenic Journal of Psychology, Vol 18, No 2 (2021)
Magnetic resonance in iron oxide nanoparticles: quantum features and effect of size
Creators: name: Noginov, Maxim M.
name: Noginova, N.
name: Amponsah, O.
name: Bah, R.
name: Rakhimov, R.
name: Atsarkin, V. A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In order to better understand the transition from quantum to classical behavior in spin system, electron magnetic resonance (EMR) is studied in suspensions of superparamagnetic magnetite nanoparticles with an average diameter of ~ 9 nm and analyzed in comparison with the results obtained in the maghemite particles of smaller size (~ 5 nm). It is shown that both types of particles demonstrate common EMR behavior, including special features such as the temperature-dependent narrow spectral component and multiple-quantum transitions. These features are common for small quantum systems and not expected in classical case. The relative intensity of these signals rapidly decreases with cooling or increase of particle size, marking gradual transition to the classical FMR behavior.
Lyapunov Event-triggered Stabilization with a Known Convergence Rate
Creators: name: Proskurnikov, Anton V.
name: Mazo, Manuel
Publisher: name: arXiv
Year: 2018
Subjects: subject: Systems and Control (eess.SY)
subject: Dynamical Systems (math.DS)
subject: Optimization and Control (math.OC)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Mathematics

description: A constructive tool of nonlinear control systems design, the method of Control Lyapunov Functions (CLF) has found numerous applications in stabilization problems for continuous time, discrete-time and hybrid systems. In this paper, we address the fundamental question: given a CLF, corresponding to the continuous-time controller with some predefined (e.g. exponential) convergence rate, can the same convergence rate be provided by an event-triggered controller? Under certain assumptions, we give an affirmative answer to this question and show that the corresponding event-based controllers provide positive dwelltimes between the consecutive events. Furthermore, we prove the existence of self-triggered and periodic event-triggered controllers, providing stabilization with a known convergence rate.
description: arXiv admin note: text overlap with arXiv:1802.01025
Additional file 1: of Symptom severity in autism spectrum disorder is related to the frequency and severity of nausea and vomiting during pregnancy: a retrospective case-control study
Creators: name: Whitehouse, Andrew
name: Alvares, Gail
name: Cleary, Dominique
name: Harun, Alexis
name: Stojanoska, Angela
name: Taylor, Lauren
name: Varcin, Kandice
name: Maybery, Murray
Publisher: name: figshare
Year: 2018
Subjects: subject: Medicine
subject: Neuroscience
subject: Pharmacology
subject: Immunology
subject: FOS: Clinical medicine
subject: Developmental Biology
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Power analyses for a one-way ANOVA of the results. Table S1. Power analyses for a one-way ANOVA of the five-level NVP variable. Table S2. Means (SD, n) for the total and subscale scores of the SRS as a function of maternal nausea and vomiting during pregnancy and child sex. Higher scores equates to greater levels of impairment. Table S3. Means (SD, n) for the General Communication Composite and subscale standard scores of the CCC-2 as a function of maternal nausea and vomiting during pregnancy and child sex. Lower scores equate to greater levels of impairment. (DOCX 46 kb)
First passage time processes and subordinated SLE
Creators: name: Nezhadhaghighi, M. Ghasemi
name: Rajabpour, M. A.
name: Rouhani, S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the first passage time processes of anomalous diffusion on self similar curves in two dimensions. The scaling properties of the mean square displacement and mean first passage time of the ballistic motion, fractional Brownian motion and subordinated walk on different fractal curves (loop erased random walk, harmonic explorer and percolation front) are derived. We also define natural parametrized subordinated Schramm Loewner evolution (NS-SLE) as a mathematical tool that can model diffusion on fractal curves. The scaling properties of the mean square displacement and mean first passage time for NS-SLE are obtained by numerical means.
description: 8 pages, 3 figures
Large deviations for the largest eigenvalue of an Hermitian Brownian motion
Creators: name: Donati-Martin, Catherine
name: Maïda, Mylène
Publisher: name: arXiv
Year: 2011
Subjects: subject: Probability (math.PR)
subject: FOS: Mathematics

description: We establish a large deviation principle for the process of the largest eigenvalue of an Hermitian Brownian motion. By a contraction principle, we recover the LDP for the largest eigenvalue of a rank one deformation of the GUE.
Additional file 6: of Metabolomic signatures distinguish the impact of formula carbohydrates on disease outcome in a preterm piglet model of NEC
Creators: name: Call, Lee
name: Stoll, Barbara
name: Oosterloo, Berthe
name: Ajami, Nadim
name: Fariha Sheikh
name: Wittke, Anja
name: Waworuntu, Rosaline
name: Berg, Brian
name: Petrosino, Joseph
name: Oluyinka Olutoye
name: Burrin, Douglas
Publisher: name: figshare
Year: 2018
Subjects: subject: Space Science
subject: Medicine
subject: Cell Biology
subject: Molecular Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Relative abundance of the four most abundant classes in intestinal mucosal tissue, comparing Healthy to NEC. Box-and-whisker plots for class-level comparisons between piglets which developed NEC and those which did not develop NEC during the course of the experiment, using samples of ileum and colon mucosal tissue from all piglets which were fed one of the three different formulas; Holm-Bonferroni adjusted Mann-Whitney U tests. (PDF 138Â kb)
Spiegelungssatz: a combinatorial proof for the 4-rank
Creators: name: Habsieger, Laurent
name: Royer, Emmanuel
Publisher: name: arXiv
Year: 2011
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: The Spiegelungssatz is an inequality between the (4)-ranks of the narrow ideal class groups of the quadratic fields (\mathbb{Q}(\sqrt{D})) and (\mathbb{Q}(\sqrt{-D})). We provide a combinatorial proof of this inequality. Our interpretation gives an affine system of equations that allows to describe precisely some equality cases.