cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Universal Dynamics Near Quantum Critical Points
Creators: name: Gritsev, Vladimir
name: Polkovnikov, Anatoli
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Gases (cond-mat.quant-gas)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We give an overview of the scaling of density of quasi-particles and excess energy (heat) for nearly adiabatic dynamics near quantum critical points (QCPs). In particular we discuss both sudden quenches of small amplitude and slow sweeps across the QCP. We show close connection between universal scaling of these quantities with the scaling behavior of the fidelity susceptibility and its generalizations. In particular we argue that the Kibble-Zurek scaling can be easily understood using this concept. We discuss how these scalings can be derived within the adiabatic perturbation theory and how using this approach slow and fast quenches can be treated within the same framework. We also describe modifications of these scalings for finite temperature quenches and emphasize the important role of statistics of low-energy excitations. In the end we mention some connections between adiabatic dynamics near critical points with dynamics associated with space-time singularities in the metrics, which naturally emerges in such areas as cosmology and string theory.
description: 19 pages, Contribution to the book "Developments in Quantum Phase Transitions", edited by Lincoln Carr; revised version, acknowledgement added
title: Ð Ð²Ð¾Ð¿ÑÐ¾ÑÑ Ð¾Ð±Ð¾ÑÐ½Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÑÐµÐ±Ð¾Ð²Ð°Ð½Ð¸Ð¹ Ðº ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐµ ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð³Ð¾ Ð´Ð²Ð¾Ð¹Ð½Ð¸ÐºÐ° Ð¼ÐµÑÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð´Ð¾ÑÑÐ¾Ð²ÐµÑÐ½Ð¾ÑÑÐ¸ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð² ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸ Ð¼Ð°ÑÐ¸Ð½Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ñ Ð² ÑÑÐ»Ð¾Ð²Ð¸ÑÑ Ð¿Ð¾Ð·Ð°ÐºÐ°Ð·Ð½Ð¾Ð³Ð¾ Ð¿ÑÐ¾Ð¸Ð·Ð²Ð¾Ð´ÑÑÐ²Ð°
title: On the issue of substantiating the requirement for the development of a digital double of metrological support in terms of meeting the requirements for the reliability of the results of technical control of mechanical engineering products in the conditions of order production
Creators: name: ÐÐµÐµÐ²Ð°, ÐÐ»Ð¸Ð·Ð°Ð²ÐµÑÐ°
name: ÐÐ°ÑÑÐº, ÐÐ¼Ð¸ÑÑÐ¸Ð¹
name: "Ð¡Ð¾Ð²ÑÐµÐ¼ÐµÐ½Ð½Ð¾Ðµ Ð¼Ð°ÑÐ¸Ð½Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ðµ: Ð½Ð°ÑÐºÐ° Ð¸ Ð¾Ð±ÑÐ°Ð·Ð¾Ð²Ð°Ð½Ð¸Ðµ", Ð¼ÐµÐ¶Ð´ÑÐ½Ð°ÑÐ¾Ð´Ð½Ð°Ñ Ð½Ð°ÑÑÐ½Ð°Ñ ÐºÐ¾Ð½ÑÐµÑÐµÐ½ÑÐ¸Ñ (13; 2024; Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³)
Publisher: name: ÐÐÐÐÐ¢ÐÐ¥-ÐÐ ÐÐ¡Ð¡
Year: 2024
Subjects: ÐÐ°ÑÐ¸Ð½Ð¾ÑÑÑÐ¾ÐµÐ½Ð¸Ðµ
ÐÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½ÑÐµ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ
ÑÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ
ÐºÐ°ÑÐµÑÑÐ²Ð¾
ÑÐµÑ Ð½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ
Ð¸Ð·Ð¼ÐµÑÐµÐ½Ð¸Ñ
Ð´Ð¾ÑÑÐ¾Ð²ÐµÑÐ½Ð¾ÑÑÑ
technological process
quality
technical control
measurements
reliability

description: Ð ÑÐ°Ð±Ð¾ÑÐµ ÑÐ°ÑÑÐ¼Ð¾ÑÑÐµÐ½Ñ ÑÑÐ»Ð¾Ð²Ð¸Ñ Ð¸ ÑÐ°ÐºÑÐ¾ÑÑ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð¸Ñ Ð¾Ð¿ÐµÑÐ°ÑÐ¸Ð¹ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÑÐµÑÐ½Ð¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ° Ð´Ð»Ñ Ð´Ð°Ð»ÑÐ½ÐµÐ¹ÑÐµÐ¹ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ¸ ÑÐ¸ÑÑÐ¾Ð²Ð¾Ð³Ð¾ Ð´Ð²Ð¾Ð¹Ð½Ð¸ÐºÐ° Ð¼ÐµÑÑÐ¾Ð»Ð¾Ð³Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð¾Ð±ÐµÑÐ¿ÐµÑÐµÐ½Ð¸Ñ Ð´Ð¾ÑÑÐ¾Ð²ÐµÑÐ½Ð¾ÑÑÐ¸ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ¾Ð² ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÐºÐ¾Ð½ÑÑÐ¾Ð»Ñ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð¿ÑÐ¾Ð´ÑÐºÑÐ¸Ð¸.
description: The paper considers the conditions and factors of technological process control operations for the further development of a digital double of metrological assurance of the reliability of the results of technical quality control of products.
On the existence of Kundt's metrics with compact sections of null hypersurfaces
Creators: name: Jezierski, Jacek
Publisher: name: arXiv
Year: 2008
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: It is shown that Kundt's metric for vacuum cannot be constructed when two-dimensional space-like sections of null hypersurfaces are compact, connected manifolds with no boundary unless they are tori or spheres, i.e. higher genus $\mathbf{g} \geq 2$ is excluded by vacuum Einstein equations. The so-called {\em basic equation} (resulting from Einstein equations) is examined. This is a non-linear PDE for unknown covector field and unknown Riemannian structure on the two-dimensional manifold. It implies several important results derived in this paper. It arises not only for Kundt's class but also for degenerate Killing horizons and vacuum degenerate isolated horizons.
description: 11 pages
Effect of water conditions and nitrogen application on maize growth, carbon accumulation and metabolism of maize plant in subtropical regions
Creators: name: Xin, Yu
name: Gao, Fei
name: Muhammad, Ihsan
name: Huang, Jing Hua
name: Zhou, Xun Bo
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: Biological Sciences not elsewhere classified
subject: Plant Biology

description: Drought, water, and nitrogen (N) losses have always been great challenges for agricultural production in subtropical regions of China. To study appropriate irrigation regimes and reasonable N applications, a field experiment was conducted for summer maize (Zea mays L.) from 2018 to 2019. Two irrigation treatments, namely, rain-fed irrigation and supplementary irrigation, were designed, and five levels of N fertilizer were applied. The differences in the growth periods of biomass, leaf area index, agronomic traits, carbon accumulation, and carbon metabolism enzyme activity were measured. Findings revealed that the interaction of water and N has a significant impact on maize growth. Compared to other N treatments, N250 produced significantly higher biomass, leaf area index, agronomic traits, carbon accumulation, and carbon metabolism enzyme activity. In 2018, the agronomic traits and leaf area index were significantly higher than in 2019. Meanwhile, additional irrigation could help improve agronomic traits and the leaf area index. Further correlation analysis revealed that carbon accumulation was positively correlated with carbon metabolism enzyme activity, although lower at maturity than in the flowering period. Overall, the findings suggest that supplementary irrigation in conjunction with N250 treatment is a worthwhile measure for sustainable maize production in subtropical regions of China.
Addressing the clumsiness loophole in a Leggett-Garg test of macrorealism
Creators: name: Wilde, Mark M.
name: Mizel, Ari
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The rise of quantum information theory has lent new relevance to experimental tests for non-classicality, particularly in controversial cases such as adiabatic quantum computing superconducting circuits. The Leggett-Garg inequality is a "Bell inequality in time" designed to indicate whether a single quantum system behaves in a macrorealistic fashion. Unfortunately, a violation of the inequality can only show that the system is either (i) non-macrorealistic or (ii) macrorealistic but subjected to a measurement technique that happens to disturb the system. The "clumsiness" loophole (ii) provides reliable refuge for the stubborn macrorealist, who can invoke it to brand recent experimental and theoretical work on the Leggett-Garg test inconclusive. Here, we present a revised Leggett-Garg protocol that permits one to conclude that a system is either (i) non-macrorealistic or (ii) macrorealistic but with the property that two seemingly non-invasive measurements can somehow collude and strongly disturb the system. By providing an explicit check of the invasiveness of the measurements, the protocol replaces the clumsiness loophole with a significantly smaller "collusion" loophole.
description: 7 pages, 3 figures
Additional file 1: of Associations between loneliness and perceived social support and outcomes of mental health problems: a systematic review
Creators: name: Wang, Jingyi
name: Mann, Farhana
name: Lloyd-Evans, Brynmor
name: Ma, Ruimin
name: Johnson, Sonia
Publisher: name: figshare
Year: 2018
Subjects: subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Science Policy

description: Search strategies (detailed search strategies used in Medline, PsycINFO, Embase, Web of Science, CINAHL and Cochrane Library). (PDF 323Â kb)
Parton Distributions for Event Generators
Creators: name: Lai, Hung-Liang
name: Huston, Joey
name: Mrenna, Stephen
name: Nadolsky, Pavel
name: Stump, Daniel
name: Tung, Wu-Ki
name: Yuan, C. -P.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this paper, conventional Global QCD analysis is generalized to produce parton distributions optimized for use with event generators at the LHC. This optimization is accomplished by combining the constraints due to existing hard-scattering experimental data with those from anticipated cross sections for key representative SM processes at LHC (by the best available theory) as joint input to the global analyses. The PDFs obtained in these new type of global analyses using matrix elements calculated in any given order will be best suited to work with event generators of that order, for predictions at the LHC. This is most useful for LO event generators at present. Results obtained from a few candidate PDF sets (labeled as CT09MCS, CT09MC1 and CT09MC2) for LO event generators produced in this way are compared with those from other approaches.
description: 35 pages, 19 figures, and 4 tables
Cluster Development and Knowledge Exchange in Supply Chain
Creators: name: Sureephong, Pradorn
name: Chakpitak, Nopasit
name: Buzon, Laurent
name: Bouras, Abdelaziz
Publisher: name: arXiv
Year: 2008
Subjects: subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Industry cluster and supply chain are in focus of every countries which rely on knowledge-based economy. Both focus on improving the competitiveness of firm in the industry in the different aspect. This paper tries to illustrate how the industry cluster can increase the supply chain performance. Then, the proposed methodology concentrates on the collaboration and knowledge exchange in supply chain. For improving the capability of the proposed methodology, information technology is applied to facilitate the communication and the exchange of knowledge between the actors of the supply chain within the cluster. The supply chain of French stool producer was used as a case study to validate the methodology and to demonstrate the result of the study.
Inflation conditions for non-BPS D-branes
Creators: name: Gusin, Pawel
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the effective action for a non-BPS brane in a time-depending embedding. This action is considered as the action for tachyon and embedding coupled to the brane gravity. We derive the slow roll parameters from this model.
Antimony Doping Effect on the Superconducting Properties of SmFeAs(O,F)
Creators: name: Azam, Mohammad
name: Manasa, Manasa
name: Zajarniuk, Tatiana
name: Diduszko, Ryszard
name: Cetner, Tomasz
name: Morawski, Andrzej
name: Wisniewski, Andrzej
name: Singh, Shiv J.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: We report the synthesis and characterization of a series of antimony-doped SmFeAs1-xSbxO0.8F0.2 (x = 0, 0.01, 0.03, 0.05, 0.1, 0.2, and 0.3) bulks to investigate the twin doping effects on the superconducting properties of SmFeAs(O,F) caused by fluorine (F) incorporation at O-site in SmO layer and antimony (Sb) substitution at As-site in the conducting layer (FeAs). Since the antimony (Sb) has a larger size than arsenic (As), the enhancement of lattice parameters has been confirmed by the XRD analysis. Microstructural analysis confirms that Sb-doping leads to a small improvement in the sample density and an increase in the inhomogeneity of the constituent elements, especially at higher Sb-doping levels. The parent compound SmFeAsO0.8F0.2 has shown the superconducting transition (Tc) at ~54 K, which is systematically reduced with the antimony doping contents (x). Our investigation indicates that the Sb-doped SmFeAs(O,F) phase at low levels is less prone to the multiphase formation than at high levels, which affects the inter- and intragranular behaviour originating from the microstructure nature of 1111 bulks. The critical current density (Jc) of the parent compound has almost the same value as previously reported, which is suppressed slowly with increased Sb-doping. It could be due to the reduced grain connections and the effective pinning centers. This study confirms that the superconducting FeAs layer doping with larger ions at arsenic sites does not support the superconducting properties of Sm1111, which is a distinct behavior from that of Sb-doped CeFeAs(O,F) and LaFeAs(O,F).
description: 18 pages, 8 figures
Resistance of rumen bacteria murein to bovine gastric lysozyme
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2004
Subjects: Abomasum
Animals
Cattle
Electrophoresis, Polyacrylamide Gel
Escherichia coli
Gastric Mucosa
Hydrogen-Ion Concentration
Lactobacillus
Micrococcus luteus
Muramidase
Peptidoglycan
Pseudomonas aeruginosa
Rumen
Streptococcus bovis

description: Background- Lysozymes, enzymes mostly associated with defence against bacterial infections, are mureinolytic. Ruminants have evolved a gastric c type lysozyme as a digestive enzyme, and profit from digestion of foregut bacteria, after most dietary components, including protein, have been fermented in the rumen. In this work we characterized the biological activities of bovine gastric secretions against membranes, purified murein and bacteria. Results- Bovine gastric extract (BGE) was active against both G+ and G- bacteria, but the effect against Gram- bacteria was not due to the lysozyme, since purified BGL had only activity against Gram+ bacteria. We were unable to find small pore forming peptides in the BGE, and found that the inhibition of Gram negative bacteria by BGE was due to an artefact caused by acetate. We report for first time the activity of bovine gastric lysozyme (BG lysozyme) against pure bacterial cultures, and the specific resistance of some rumen Gram positive strain to BGL. Conclusions- Some Gram+ rumen bacteria showed resistance to abomasum lysozyme. We discuss the implications of this finding in the light of possible practical applications of such a stable antimicrobial peptide.
Dense periodic packings of tetrahedra with small repeating units
Creators: name: Kallus, Yoav
name: Elser, Veit
name: Gravel, Simon
Publisher: name: arXiv
Year: 2009
Subjects: subject: Metric Geometry (math.MG)
subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We present a one-parameter family of periodic packings of regular tetrahedra, with the packing fraction $100/117\approx0.8547$, that are simple in the sense that they are transitive and their repeating units involve only four tetrahedra. The construction of the packings was inspired from results of a numerical search that yielded a similar packing. We present an analytic construction of the packings and a description of their properties. We also present a transitive packing with a repeating unit of two tetrahedra and a packing fraction $\frac{139+40\sqrt{10}}{369}\approx0.7194$.
description: Last draft submitted for publication. Published version available at http://www.springerlink.com
title: Breaking Traditional Ways of Teaching: Communicative Second Language Teaching
Creators: name: Gifford, Nadiya M.
Publisher: name: Utah State University
Year: 2016

description: This portfolio is a collection of the author’s beliefs about second languageteaching that represent the change of the author’s views about teaching. The first sectionof this portfolio contains the author’s teaching philosophy statements, which include adescription of a communicative classroom, the role of input, and brain-based research.Three artifacts support the teaching philosophy and reflect what the author had learnedduring the MSLT program. First, the language artifact is a collection of technologicalideas that can be helpful in teaching Russian to different level students. Second, theliteracy artifact is a literature review regarding benefits of authentic materials indevelopment of language skills, cultural awareness, and critical thinking. Last one, thecultural artifact provides research on declining an offer in a polite way. The last section isthe annotated bibliography which presents the main themes of this portfolio.
Marital adjustment and ego states in transactional analysis
Creators: name: Hiland, Patricia Ann
Publisher: name: University of British Columbia
Year: 2010

description: The purpose of this study was to explore the relationship between the ego state patterns of couples and their level of marital adjustment. The research sample consisted of eighty-one married or cohabitating couples. Marital or dyadic adjustment was measured by the Dyadic Adjustment Scale (Spanier, 1976) and ego states were measured by the Personal Response Questionnaire (Kealy, 1975). On the basis of the Dyadic Adjustment Scale results, two groups were formed by rank ordering the couples' combined scores. Group I consisted of the top thirty of the eighty-one couples and Group II consisted of the bottom thirty of the eighty-one couples. A t-test (α = .001) was calculated to analyze the difference between the means of the two groups on the Dyadic Adjustment Scale and the results showed that the high dyadically group differed significantly (α = .001) from the low dyadically adjusted group. Ego state difference scores for the couples were calculated by subtracting the male ego state scores from the female ego state scores for all six ego states. Six t-tests (α = .05) were calculated to analyze the differences between the means of each of the six ego state measures for the two groups. Pearson product-moment correlations were calculated between the Critical Parent and Adaptive Child ego state scores and the Nurturing Parent and Adaptive Child ego state scores for the couples of each group, in order to test the hypotheses regarding the relationships of these variables. Descriptive data were presented to illustrate any differences or similarities in personality profiles between the two groups. The results of the statistical testing of the null hypotheses, including the t-tests and the correlation coefficients (α = .05), indicated that of the eight hypotheses, only the hypotheses regarding the Adult ego state variable was rejected. According to the results it would appear that the high dyadically adjusted couples evidenced statistically significant (α = .05) lower ego state difference scores in the Adult ego state than the low dyadically adjusted couples. This statistically significant result was in accordance with the literature on marriage, which holds that similarity of spouses (homogamy) has a positive effect on the marital relationship and its corresponding satisfaction and adjustment. Reasons for the lack of statistically significant results, other than for the Adult ego state variable, were discussed and recommendations for future research were suggested.
Phylogenetic reconstruction of ancestral character states for gene expression and mRNA splicing data
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2005
Subjects: Alternative Splicing
Animals
Biological Evolution
Brain
Cell Lineage
Computational Biology
Evolution, Molecular
Gene Expression
Gene Expression Regulation
Genome
Genomics
Humans
Liver
Models, Genetic
Molecular Sequence Data
Pan troglodytes
Phylogeny
Pongo pygmaeus
RNA, Messenger
Sequence Analysis, Protein
Software

description: Background: As genomes evolve after speciation, gene content, coding sequence, gene expression, and splicing all diverge with time from ancestors with close relatives. A minimum evolution general method for continuous character analysis in a phylogenetic perspective is presented that allows for reconstruction of ancestral character states and for measuring along branch evolution. Results: A software package for reconstruction of continuous character traits, like relative gene expression levels or alternative splice site usage data is presented and is available for download at http://www.rossnes.org/phyrex. This program was applied to a primate gene expression dataset to detect transcription factor binding sites that have undergone substitution, potentially having driven lineage-specific differences in gene expression. Conclusion: Systematic analysis of lineage-specific evolution is becoming the cornerstone of comparative genomics. New methods, like phyrex, extend the capabilities of comparative genomics by tracing the evolution of additional biomolecular processes. © 2005 Rossnes et al., licensee BioMed Central Ltd.
title: Does The Market Matter for More Than Investment?
Creators: name: Zhang, Yiwei
Publisher: name: Utah State University
Year: 2016

description: Does the market matter for more than investment? by Jason Smith examines how themultiple effects of the market (through stock prices) can affect a corporation. The mainfindings are that low stock prices precede lower costs and lower investments. The maininnovation of this work is showing that the market can matter for more than a simpleinvestment. Low stock prices imply that the market may disagree with investment and leadthe manager to reduce costs. This result does not appear to be driven by financial constraints.
A Statistical Analysis of the "Internal Linear Combination" Method in Problems of Signal Separation as in CMB Observations
Creators: name: Vio, R.
name: Andreani, P.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: AIMS: The separation of foreground contamination from cosmic microwave background (CMB) observations is one of the most challenging and important problem of digital signal processing in Cosmology. In literature, various techniques have been presented, but no general consensus about their real performances and properties has been reached. This is due to the characteristics of these techniques that have been studied essentially through numerical simulations based on semi-empirical models of the CMB and the Galactic foregrounds. Such models often have different level of sophistication and/or are based on different physical assumptions (e.g., the number of the Galactic components and the level of the noise). Hence, a reliable comparison is difficult. What actually is missing is a statistical analysis of the properties of the proposed methodologies. Here, we consider the "Internal Linear Combination" method (ILC) which, among the separation techniques, requires the smallest number of "a priori" assumptions. This feature is of particular interest in the context of the CMB polarization measurements at small angular scales where the lack of knowledge of the polarized backgrounds represents a serious limit. METHODS: The statistical characteristics of ILC are examined through an analytical approach and the basic conditions are fixed in a way to work satisfactorily. RESULTS: ILC provides satisfactory results only under rather restrictive conditions. This is a critical fact to take into consideration in planning the future ground-based observations (e.g., with ALMA) where, contrary to the satellite experiments, there is the possibility to have a certain control of the experimental conditions.
description: A version of this manuscript without figures has been accepted for publication by A&A. A & A 2008, accepted
Necessary conditions for accurate computations of three-body partial decay widths
Creators: name: Garrido, E.
name: Jensen, A. S.
name: Fedorov, D. V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The partial width for decay of a resonance into three fragments is largely determined at distances where the energy is smaller than the effective potential producing the corresponding wave function. At short distances the many-body properties are accounted for by preformation or spectroscopic factors. We use the adiabatic expansion method combined with the WKB approximation to obtain the indispensable cluster model wave functions at intermediate and larger distances. We test the concept by deriving conditions for the minimal basis expressed in terms of partial waves and radial nodes. We compare results for different effective interactions and methods. Agreement is found with experimental values for a sufficiently large basis. We illustrate the ideas with realistic examples from $α$-emission of $^{12}$C and two-proton emission of $^{17}$Ne. Basis requirements for accurate momentum distributions are briefly discussed.
description: To be published in Physical Review C
On $λ$-determinants and tiling problems
Creators: name: de Kemmeter, Jean-François
name: Robert, Nicolas
name: Ruelle, Philippe
Publisher: name: arXiv
Year: 2023
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Combinatorics (math.CO)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We review the connections between the octahedral recurrence, $λ$-determinants and tiling problems. This provides in particular a direct combinatorial interpretation of the $λ$-determinant (and generalizations thereof) of an arbitrary matrix in terms of domino tilings of Aztec diamonds. We also reinterpret the general Robbins-Rumsey formula for the rational function of consecutive minors, given by a summation over pairs of compatible alternating sign matrices, as the partition function for tilings of Aztec diamonds equipped with a general measure.
description: 31 pages, published version; v2 slightly augmented with relations to Somos-4 sequences (see end of section 3.2 and appendix)
title: Form-content discrepancies in the narratives of children with Autism Spectrum Disorder in two elicitation contexts
Creators: name: Crotty, Brigid M.
Publisher: name: Utah State University
Year: 2016

description: The purpose of this study was to examine the relationship between form (grammar) and content (narrative structure) in stories elicited in two contexts (story generation, retell) from school-age children with Autism Spectrum Disorder (ASD) as they participated in a narrative intervention program. This project extended the literature by allowing for examination of the relationship between form and content in a group of children who demonstrated adequate grammatical skills in the presence of poor narrative skills. Further, this study may shed light on potential differences that exist between two commonly used elicitation contexts, retell and generation, for obtaining narratives from children.
Superpartner mass measurements with 1D decomposed MT2
Creators: name: Konar, Partha
name: Kong, Kyoungchul
name: Matchev, Konstantin T.
name: Park, Myeonghun
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We propose a new model-independent technique for mass measurements in missing energy events at hadron colliders. We illustrate our method with the most challenging case of a short, single-step decay chain. We consider inclusive same-sign chargino pair production in supersymmetry, followed by leptonic decays to sneutrinos. We introduce two one-dimensional decompositions of the Cambridge MT2 variable: MT2_\parallel and MT2_\perp, on the direction of the upstream transverse momentum PT and the direction orthogonal to it, respectively. We show that the sneutrino mass can be measured directly by minimizing the number of events N in which MT2 exceeds a certain threshold, conveniently measured from the endpoint MT2^max_\perp.
description: 5 pages, 3 figures. Revised version, one new figure, results now include detector simulation, conclusions unchanged
Efficient conformer: Progressive downsampling and grouped attention for automatic speech recognition
Creators: name: Burchi, Maxime
name: Vielzeuf, Valentin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Artificial Intelligence (cs.AI)
subject: Computation and Language (cs.CL)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: The recently proposed Conformer architecture has shown state-of-the-art performances in Automatic Speech Recognition by combining convolution with attention to model both local and global dependencies. In this paper, we study how to reduce the Conformer architecture complexity with a limited computing budget, leading to a more efficient architecture design that we call Efficient Conformer. We introduce progressive downsampling to the Conformer encoder and propose a novel attention mechanism named grouped attention, allowing us to reduce attention complexity from $O(n^{2}d)$ to $O(n^{2}d / g)$ for sequence length $n$, hidden dimension $d$ and group size parameter $g$. We also experiment the use of strided multi-head self-attention as a global downsampling operation. Our experiments are performed on the LibriSpeech dataset with CTC and RNN-Transducer losses. We show that within the same computing budget, the proposed architecture achieves better performances with faster training and decoding compared to the Conformer. Our 13M parameters CTC model achieves competitive WERs of 3.6%/9.0% without using a language model and 2.7%/6.7% with an external n-gram language model on the test-clean/test-other sets while being 29% faster than our CTC Conformer baseline at inference and 36% faster to train.
title: A Roof Overhead: Creating a Conceptual Long Term Day Facility for Street Children and Orphans in Tehran, Iran
Creators: name: Safdari, Marjan
Publisher: name: Utah State University
Year: 2016

description: With approximately 1.5 million orphans, over 200,000 street children, and 2,500 cases of child violence each year, Iran is not an ideal place for children. Although government groups and non-governmental organizations (NGO) have tried to provide facilities and institutional care centers, there are still many shortages that need to be addressed. Facilities that provide something more than the basic needs of these children are necessary. Orphans and street children face many difficulties during different stages of their lives that cause psychological and social problems for them. In addition, health problems and lack of education are other issues that they face.
Therefore, orphans and street children need not only a roof overhead but also a place to address their social, psychological, and educational needs. That place should help them forget their problems for even a short time during the day and make life easier for these children. It should be a place that creates a sense of comfort and protection.
The objective of this project is to create a peaceful and warm environment for orphans and street children to give them the feeling and idea of a home, which is something they may not have experienced before. The ultimate goal is the development of a center that will act as an effective home during daytime hours. This day facility will help the community to help orphans and street children develop skills to become self sufficient and successful instead of future criminals. This will be beneficial to both society and the economy of Iran.
Families of determinantal schemes
Creators: name: Kleppe, Jan O.
name: Miró-Roig, Rosa M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 14M12, 14C05, 14H10, 14J10

description: Given integers a_0 \le a_1 \le ... \le a_{t+c-2} and b_1 \le ... \le b_t, we denote by W(b;a) \subset Hilb^p(\PP^{n}) the locus of good determinantal schemes X \subset \PP^{n} of codimension c defined by the maximal minors of a t x (t+c-1) homogeneous matrix with entries homogeneous polynomials of degree a_j-b_i. The goal of this short note is to extend and complete the results given by the authors in [10] and determine under weakened numerical assumptions the dimension of W(b;a), as well as whether the closure of W(b;a) is a generically smooth irreducible component of the Hilbert scheme Hilb^p(\PP^{n}).
description: The non-emptiness of W(b;a) is restated as (2.2) in this version; the codimension c=2 case in (2.5)-(2.6) is reconsidered, and c > 2 (c > 3) is now an assumption in (2.16)-(2.17). 13 pages
Full Resolution of Extreme Ship Response Statistics
Creators: name: Gong, Xianliang
name: Zhang, Zhou
name: Maki, Kevin J.
name: Pan, Yulin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: We consider the statistics of extreme ship motions in a nonlinear irregular wave field. While an accurate computation is possible by using a full Monte-Carlo method to cover all individual wave conditions, the computational cost may become prohibitively high (when coupled with high-fidelity simulations) due to the rareness of the extreme events. In this work, following existing methods of sequential sampling and wave group parameterization, we implement a framework incorporating nonlinear wave simulation and ship response CFD simulation, which allows the extreme ship motion statistics in nonlinear wave field to be computed efficiently. We test the validity of the framework for the cases of ship response calculated by a nonlinear roll equation, and show the importance of wave nonlinearity to the extreme response statistics. Finally, the framework is coupled with the CFD model to demonstrate its applicability to more realistic and general ship motion problems.
Time calibration studies for the Timepix3 hybrid pixel detector in electron microscopy
Creators: name: Auad, Yves
name: Baaboura, Jassem
name: Blazit, Jean-Denis
name: Tencé, Marcel
name: Stéphan, Odile
name: Kociak, Mathieu
name: Tizei, Luiz H. G.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Direct electron detection is currently revolutionizing many fields of electron microscopy due to its lower noise, its reduced point-spread function, and its increased quantum efficiency. More specifically to this work, Timepix3 is a hybrid-pixel direct electron detector capable of outputting temporal information of individual hits in its pixel array. Its architecture results in a data-driven detector, also called event-based, in which individual hits trigger the data off the chip for readout as fast as possible. The presence of a pixel threshold value results in an almost readout-noise-free detector while also defining the hit time of arrival and the time the signal stays over the pixel threshold. In this work, we have performed various experiments to calibrate and correct the Timepix3 temporal information, specifically in the context of electron microscopy. These include the energy calibration, and the time-walk and pixel delay corrections, reaching an average temporal resolution throughout the entire pixel matrix of $1.37 \pm 0.04$ ns. Additionally, we have also studied cosmic rays tracks to characterize the charge dynamics along the volume of the sensor layer, allowing us to estimate the limits of the detector's temporal response depending on different bias voltages, sensor thickness, and the electron beam ionization volume. We have estimated the uncertainty due to the ionization volume ranging from about 0.8 ns for 60 keV electrons to 8.8 ns for 300 keV electrons.
title: The CAPM is Not Dead
Creators: name: Baig, Muhammad Ahmed Saleem
Publisher: name: Utah State University
Year: 2016

description: The Capital Asset Pricing Model (CAPM) is among the earliest and most widely used security valuation models. Since its inception, CAPM has been criticized more than it has been appreciated. Although, it has been criticized both empirically and theoretically, it is still one of the most extensively used methods for the calculation of equity betas and returns throughout the globe. Among the most significant implications of the model is that the expected stock returns are determined by their corresponding level of systematic risk and not the idiosyncratic risk. According to much of the recent literature it is referred to as a ‘failed’ and ‘dead’ model. The primary purpose of this paper is the empirical examination of CAPM (Capital Asset Pricing Model) in search of a true ‘market proxy’, at which CAPM will hold. The CAPM is tested on the monthly returns (for the period January 2000 to December 2013) using twenty-four randomly selected stocks that are a part of the Standard & Poor’s 500 (S&P 500) index. The CAPM is tested by calculating the Jensen’s Alpha (intercept) using first and second pass regressions on various market proxies. The evidence does not validate standard CAPM except for the optimal market portfolio, which we found to be the true market portfolio.
Theory of Scalars
Creators: name: Achasov, N. N.
name: Kiselev, A. V.
name: Shestakov, G. N.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Outline: 1. Introduction, 2. Confinement, chiral dynamics and light scalar mesons, 3. Chiral shielding of the σ(600), chiral constraints (the CGL band), the σ(600) and the f0(980) in ππ->ππ, ππ->KKbar, ϕ->γ\pi0\pi0, 4. The ϕmeson radiative decays on light scalar resonances, 5. Light scalars in γγcollisions. Evidence for four-quark components of light scalars is given. The priority of Quantum Field Theory in revealing the light scalar mystery is emphasized.
description: Plenary talk given by N.N. Achasov at PHIPSI08, Frascati, April 9, 2008. In spite of allegations in the papers arXiv:0806.0328 (M.R. Pennington) and arXiv:0803.3389 (M.R. Pennington et al.), the model of PRD 77 (2008) 074020 (N.N. Achasov, G.N. Shestakov) reproduces \gamma\gamma->\pi0\pi0 above 800 MeV (see Sec. V, Fig. 5, in PRD and Sec. 20, Fig. 9, in this talk)
title: Best Practices in Second Language Teaching: A Holistic Doctrine Based on Research and Experience
Creators: name: Griswold, Tarin Christopher
Publisher: name: Utah State University
Year: 2016

description: This portfolio is an amalgam of the author’s teaching philosophy which is deeply rooted in the theoretical foundations of second language teaching pedagogy, and further honed through firsthand teaching and observation experiences garnered during the course of his MSLT program. The target languages focused on in this portfolio are English and Japanese.
The primary components of this portfolio are: 1) the author’s teaching philosophy statement (TPS), 2) language, literacy, cultural, and research strand artifacts, 3) annotated bibliographies, and 4) target language lesson plans developed and taught by the author which bring key concepts in the TPS and artifacts to fruition (included as appendices). The author stresses four vital ingredients in effective second language teaching programs including: 1) cultivating motivation, 2) embracing the communicative approach, 3) utilizing culturally relevant authentic materials, and 4) integrating technology.
Optimized Quantum Circuit Generation with SPIRAL
Creators: name: Mionis, Scott
Publisher: name: Carnegie Mellon University
Year: 2021
Subjects: Applied Computer Science

description: Quantum computers [55] have been at the bleeding edge of computing technology for nearly 40 years, and while there are several barriers that prevent their immediate utility, research in this area continues to progress due to their immense promise. Specifically, these systems have been theorized to decrease the complexity of several important problems, most tangibly violating the security of RSA encryption [56] and possibly the extended Church-Turing thesis [8]. In an effort to harness the revolutionary potential of these systems, research has largely focused around thephysical construction of at-scale quantum devices. However, the software infrastructure that compiles programs for these devices also requires further development before the benefits of the quantum era can be realized; this area has been traditionally under-emphasized. In the near-term, Noisy Intermediate-Scale Quantum (NISQ) devices maintainonly sparse connectivity between qubits, meaning that quantum programs assuming dense connectivity must be efficiently routed onto the hardware. If done naively,this process often requires the compiler to insert an overwhelming number of data movement operations; these alone can violate the practicability of the program sincequantum states are fragile and degrade rapidly if the critical path is too long. Existing approaches have made great strides in making this process more efficient, but havefailed to capitalize on relevant advancements in the classical domain and are plagued by a representation mismatch that limits the scope of program transformations that can be applied. In this work, we present a novel approach to compiling more efficient quantum programs. We capture the input algorithm as a high-level mathematical transform,and after generating a multitude of architecture-compliant programs directly from that specification, we apply traditional search techniques to select the best output. This approach allows us to produce shorter quantum programs as we can leverage high-level symmetries of the target transform to perform global rewrites; this task is nearly impossible given only a program stream. To implement the proposedframework we leverage SPIRAL [26][24][54], a code generation platform built on the GAP [57] computer algebra system, and restate quantum computing in terms ofpure linear algebra such that we can treat this seemingly domain-specific problem as a generic matrix factorization task. We ultimately demonstrate that SPIRAL isa viable supplemental tool for future quantum software frameworks, and provides tangible benefits when used to compile symmetric algorithms like the Fourier transform.
The EUV Sun as the superposition of elementary Suns
Creators: name: Amblard, P. -O.
name: Moussaoui, S.
name: de Wit, T. Dudok
name: Aboudarham, J.
name: Kretzschmar, M.
name: Lilensten, J.
name: Auchere, F.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Many studies assume that the solar irradiance in the EUV can be decomposed into different contributions, which makes the modelling of the spectral variability considerably easier. We consider a different approach, in which these contributions are not imposed a priori but are effectively and robustly inferred from spectral irradiance measurements. This is a source separation problem with a positivity constraint, for which we use a Bayesian solution. Using five years of daily EUV spectra recorded by the TIMED/SEE satellite, we show that the spectral irradiance can be decomposed into three elementary spectra. Our results suggest that they describe different layers of the solar atmosphere rather than specific regions. The temporal variability of these spectra is discussed.
description: 4 figures
The latest buzz in comparative genomics
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2005
Subjects: Animals
Drosophila
Drosophila melanogaster
Evolution, Molecular
Genome
Genomics

description: A second species of fruit fly has just been added to the growing list of organisms with complete and annotated genome sequences. The publication of the Drosophila pseudoobscura sequence provides a snapshot of how genomes have changed over tens of millions of years and sets the stage for the analysis of more fly genomes. © 2004 BioMed Central Ltd.
MANAGING TEST ANXIETY: RESEARCH ON SRI LANKAN UNIVERSITY STUDENTS
Creators: name: Nalini, Jayasuriya
Publisher: name: AYDEN JOURNAL
Year: 2024
Subjects: Sri Lankan education system, Grade 5 scholarship examination, GCE Ordinary Level (GCE O/L), GCE Advanced Level (GCE A/L), National university system

description: The Sri Lankan education system is structured into three key stages, spanning 13 years, starting from primary school to college-level education. The journey comprises primary education (Grades 1-5), junior secondary education (Grades 6-9), senior secondary education (Grades 10-11), and college-level education (Grades 12-13). Notably, the Grade 5 scholarship and General Certificate Examination, Ordinary Level (GCE O/L), are highly competitive, as they hold the key to better educational opportunities. Success in the Grade 5 scholarship exam opens doors to improved schools, while a strong performance in the O/L exam offers students the chance to choose between different subject streams, including Arts, Science, Maths, and Commerce. Furthermore, the GCE Advanced Level (GCE A/L) examination is a pivotal point in the educational journey, as it grants access to government universities. Exceptional achievers at the A/L examination can secure admission to the national university system.
On the number of new world founders: A population genetic portrait of the peopling of the Americas
Creators: name: (:Unkn) Unknown
Publisher: name: My University
Year: 2005
Subjects: subject: Asia
subject: Continental Population Groups
subject: Demography
subject: FOS: Sociology
subject: Ethnic Groups
subject: Genetic Variation
subject: Genetics, Medical
subject: Genetics, Population
subject: Humans
subject: Indians, North American
subject: Models, Genetic
subject: North America
subject: Population Density
subject: South America

description: The founding of New World populations by Asian peoples is the focus of considerable archaeological and genetic research, and there persist important questions on when and how these events occurred. Genetic data offer great potential for the study of human population history, but there are significant challenges in discerning distinct demographic processes. A new method for the study of diverging populations was applied to questions on the founding and history of Amerind-speaking Native American populations. The model permits estimation of founding population sizes, changes in population size, time of population formation, and gene flow. Analyses of data from nine loci are consistent with the general portrait that has emerged from archaeological and other kinds of evidence. The estimated effective size of the founding population for the New World is fewer than 80 individuals, approximately 1% of the effective size of the estimated ancestral Asian population. By adding a splitting parameter to population divergence models it becomes possible to develop detailed portraits of human demographic history. Analyses of Asian and New World data support a model of a recent founding of the New World by a population of quite small effective size. © 2005 Jody Hey.