cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Improved measurement of the branching ratio of J/psi-->K_S K_L
Creators: name: Bai, J. Z.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The branching ratio of J/psi-->K_S K_L is measured with improved precision to be B(J/psi-->K_S K_L) = (1.82\pm 0.04\pm 0.13)\times 10^{-4}. using J/psi data collected with the Beijing Spectrometer (BESII) at the Beijing Electron-Positron Collider. This result is used to test the perturbative QCD ``12%'' rule between psi(2S) and J/psi decays and to investigate the relative phase between the three-gluon and one-photon annihilation amplitudes in J/psi decays.
description: 10 pages, 14 figures, 2 tables, submitted to Phys. Rev. D
title: Mode of Action of Trabectedin in Human Mixoid Liposarcoma Growing in Immunodeficient Mice: Evidence that the Drug Acts by Displacing FUS-CHOP Chimeric Protein From its Target Promoters
Creators: name: Di Giandomenico, Silvana
Publisher: name: The Open University
Year: 2012

description: Trabectedin (ET-743, Yondelis) is a marine alkaloid isolated from the tunicate Ecteinascidia turbinata, cytotoxic against a variety of tumor cell lines in vitro and human tumor xenografts in vivo. It has been approved by EMEA for the 2nd line therapy of soft tissue sarcomas in 2007 and for the 2 line therapy of ovarian cancer in 2009. Myxoid liposarcoma (ML) is a specific histological subtype within the family of adults soft tissue sarcomas. Specifically >90% of usual myxoid/round cell liposarcomas (ML/RCLS) are characterized by the chromosomal translocation t(12;16) (q13; p11), which produces the FUS-CHOP oncogene. Different chimera subtypes seem to respond differently to trabectedin in clinical setting. To elucidate the mechanisms behind the differential sensitivity to trabectedin, tumor myxoid liposarcomas type II and type III were xenografted in nude mice, treated with trabectedin (0.15 mg/kg was injected i.v.) and the binding of FUS-CHOP to some of its target promoters was monitored by Chromatin immuno precipitation to verify the drug ability to displace the binding. We found that trabectedin was more effective on type II than type III ML xenografts. The response to trabectedin in Type II xenografts was associated with partial regression and pathological response. Type III ML xenografts appeared much less sensitive to trabectedin and tumors did not regress. Molecular analysis revealed that trabectedin was able to remove FUS-CHOP type II and III from its own gene targets 24 hours after treatment. 72 hours after treatment, FUS-CHOP Type III was attached to its targets whereas FUS-CHOP Type II remained unbound. The results suggest that the different of type II and type III to trabectedin are related to a different duration of the drug ability to display FUS-CHOP from DNA.
Experimental observation of coherent-information superadditivity in a dephrasure channel
Creators: name: Yu, Shang
name: Meng, Yu
name: Patel, Raj B.
name: Wang, Yi-Tao
name: Ke, Zhi-Jin
name: Liu, Wei
name: Li, Zhi-Peng
name: Yang, Yuan-Ze
name: Zhang, Wen-Hao
name: Tang, Jian-Shun
name: Li, Chuan-Feng
name: Guo, Guang-Can
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We present an experimental approach to construct a dephrasure channel, which contains both dephasing and erasure noises, and can be used as an efficient tool to study the superadditivity of coherent information. By using a three-fold dephrasure channel, the superadditivity of coherent information is observed, and a substantial gap is found between the zero single-letter coherent information and zero quantum capacity. Particularly, we find that when the coherent information of n channel uses is zero, in the case of larger number of channel uses, it will become positive. These phenomena exhibit a more obvious superadditivity of coherent information than previous works, and demonstrate a higher threshold for non-zero quantum capacity. Such novel channels built in our experiment also can provide a useful platform to study the non-additive properties of coherent information and quantum channel capacity.
VPLYV POPULACNEHO VYVOJA NA PONUKU PRACE A SOCIALNE ZABEZPECENIE POPRODUKTIVNEJ POPULACIE
THE INFLUENCE OF THE POPULATIONAL DEVELOPMENT ON LABOUR'S SUPPLY AND SOCIAL SECURITY OF THE POSTPRODUCTIVE POPULATION
Creators: name: HRUBY, Jan
name: STEHLIKOVA, Beata
name: HRUBY, Jan
name: STEHLIKOVA, Beata
Publisher: name: Unknown
Year: 2002
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: productive-age population
subject: post-productive-age population
subject: ageing process
subject: staff management
subject: globalisation
subject: fuzzy set

description: The natural increase of Slovak population has passed through several variable waves since 1950. The most favourable trend was from 1950 till 1966, in a range of 17. 34— 10.22 per 1,000 inhabitants. After 1980, this rise rapidly fell down, from 8.93 to 0.31 in 1999. Some irregularity between an increase and reduction in productive-age population has appeared. A higher increase in the post-productive-age population will be in 2010, but it will not be compensated by an afflux of young people at productive age. Although slightly, the old age index is increasing. However, the coefficients of dependence of young people, which express the future reproduction of working population are falling. The adverse situation in reproduction is starting to affect human resources management.
A steep-slope MoS2-nanoribbon MOSFET based on an intrinsic cold-contact effect
Creators: name: Logoteta, D.
name: Pala, M. G.
name: Choukroun, J.
name: Dollfus, P.
name: Iannaccone, G.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We propose a steep-slope MoS2-nanoribbon field-effect transistor that exploits a narrow-energy conduction band to intrinsically filter out the thermionic tail of the electron energy distribution. We study the device operation principle and the performance dependence on the design parameters through atomistic self-consistent quantum simulations. Our results indicate that the device can provide high ION/IOFF ratios, compatible with electronic applications, albeit biased at ultralow voltages of around 0.1 V.
description: 4 pages, 5 figures
TRVALE UDRZITELNY ROZVOJ A PRODUKTIVITA ZEMEDELSKE VYROBY
SUSTAINABLE DEVELOPMENT AND PRODUCTIVITY OF AGRICULTURAL PRODUCTION
Creators: name: VINOHRADSKY, Karel
name: GREGA, Libor
name: KUBICKOVA, Simona
name: VINOHRADSKY, Karel
name: GREGA, Libor
name: KUBICKOVA, Simona
Publisher: name: Unknown
Year: 2002
Subjects: subject: Agricultural and Food Policy
subject: Environmental Economics and Policy
subject: agriculture
subject: sustainable development
subject: productivity
subject: environmental gains

description: Competitiveness of Czech agriculture and related substantial growth of productivity of agricultural production require implementing extensive structural changes. These are considered from the point of view of sustainable development.
Generalized Parton Distributions for large $x$
Creators: name: Burkardt, Matthias
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The $t$-dependence of generalized parton distrbutions for $x\to 1$ is discussed. We argue that constituent quark models, where the $t$-dependence for $x\to 1$ is through the product $(1-x)t$, are inconsistent. Instead we suggest a leading dependence in terms of $(1-x)^n t$, where $n\geq 2$, for $x\to 1$.
description: 4 pages, revtex
Mangetic properties of Ising thin-films with cubic lattices
Creators: name: Laosiritaworn, Y.
name: Poulter, J.
name: Staunton, J. B.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We have used Monte Carlo simulations to observe the magnetic behaviour of Ising thin-films with cubic lattice structures as a function of temperature and thickness especially in the critical region. The fourth order Binder cumulant is used to extract critical temperatures, and an extension of finite size scaling theory for reduced geometry is derived to calculate the critical exponents. Magnetisation and magnetic susceptibility per spin in each layer are also investigated. In addition, mean-field calculations are also performed for comparison. We find that the magnetic behaviour changes from two dimensional to three dimensional character with increasing thickness of the film. The crossover of the critical temperature from a two dimensional to a bulk value is also observed with both the Monte Carlo simulations and the mean-field analysis. Nevertheless, the simulations have shown that the critical exponents only vary a little from their two dimensional values. In particular, the results for films with up to eight layers provide a strong indication of two dimensional universality.
description: 18 pages, 9 figures, 2 tables
2006 Greenhouse Gas Inventory Faculty-Specific Preliminary Analysis
Creators: name: Rucker, Adam
Publisher: name: The University of British Columbia
Year: 2010

description: Disclaimer: “UBC SEEDS provides students with the opportunity to share the findings of their studies, as well as their opinions, conclusions and recommendations with the UBC community. The reader should bear in mind that this is a student project/report and is not an official document of UBC. Furthermore readers should bear in mind that these reports may not reflect the current status of activities at UBC. We urge you to contact the research persons mentioned in a report or the SEEDS Coordinator about the current status of the subject matter of a project/report.”
Coulomb-blockade-induced bound quasiparticle states in a double-island qubit
Creators: name: Pesin, D. A.
name: Andreev, A. V.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: We study the low temperature thermodynamic properties of a superconducting double-island qubit. For an odd number of electrons in the device, the ground state corresponds to the intrinsic quasiparticle bound to the tunneling contact. The ground state is separated from the continuum of excited states by a finite gap of order of the Josephson energy E_J. The presence of the bound quasiparticle state results in a nonmonotonic temperature dependence of the width of the transition region between Coulomb blockade plateaus. The minimum width occurs at the ionization temperature of the bound state, T_i\sim E_J/\ln(\sqrt{ΔE_J}/δ), with Δand δbeing respectively the superconducting gap and single particle mean level spacing in the island. For an even number of electrons in the system, we show that the Coulomb enhancement of the Josephson energy can be significantly stronger than that in the case of a single grain coupled to a superconducting lead. If the electrostatic energy favors a single broken Cooper pair, the resulting quasiparticles are bound to the contact with an energy that is exponentially small in the inverse dimensionless conductance.
description: 4 pages, 3 Postscript figures
Effects of osteogenic ambulatory mechanical stimulation on early stages of BMP-2 mediated bone repair
Creators: name: Klosterhoff, Brett S.
name: Vantucci, Casey E.
name: Kaiser, Jarred
name: Ong, Keat Ghee
name: Wood, Levi B.
name: Weiss, Jeffrey A.
name: Guldberg, Robert E.
name: Willett, Nick J.
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Space Science
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Developmental Biology

description: Purpose: Mechanical loading of bone defects through rehabilitation is a promising approach to stimulate repair and reduce nonunion risk; however, little is known about how therapeutic mechanical stimuli modulate early-stage repair before mineralized bone formation. The objective of this study was to investigate the early effects of osteogenic loading on cytokine expression and angiogenesis during the first 3 weeks of BMP-2 mediated segmental bone defect repair. Materials and Methods: A rat model of BMP-2 mediated bone defect repair was subjected to an osteogenic mechanical loading protocol using ambulatory rehabilitation and a compliant, load-sharing fixator with an integrated implantable strain sensor. The effect of fixator load-sharing on local tissue strain, angiogenesis, and cytokine expression was evaluated. Results: Using sensor readings for local measurements of boundary conditions, finite element simulations showed strain became amplified in remaining soft tissue regions between 1 and 3 weeks (Week 3: load-sharing: −1.89 ± 0.35% and load-shielded: −1.38 ± 0.35% vs. Week 1: load-sharing: −1.54 ± 0.17%; load-shielded: −0.76 ± 0.06%). Multivariate analysis of cytokine arrays revealed that load-sharing significantly altered expression profiles in the defect tissue at 2 weeks compared to load-shielded defects. Specifically, loading reduced VEGF (p = 0.052) and increased CXCL5 (LIX) levels. Subsequently, vascular volume in loaded defects was reduced relative to load-shielded defects but similar to intact bone at 3 weeks. Endochondral bone repair was also observed histologically in loaded defects at 3 weeks. Conclusions: Together, these results demonstrate that moderate ambulatory strains previously shown to stimulate bone regeneration significantly alter early angiogenic and cytokine signaling and may promote endochondral ossification.
Fast Ground State Manipulation of Neutral Atoms in Microscopic Optical Traps
Creators: name: Yavuz, D. D.
name: Kulatunga, P. B.
name: Urban, E.
name: Johnson, T. A.
name: Proite, N.
name: Henage, T.
name: Walker, T. G.
name: Saffman, M.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We demonstrate Rabi flopping at MHz rates between ground hyperfine states of neutral $^{87}$Rb atoms that are trapped in two micron sized optical traps. Using tightly focused laser beams we demonstrate high fidelity, site specific Rabi rotations with crosstalk on neighboring sites separated by $8 μ\rm m$ at the level of $10^{-3}$. Ramsey spectroscopy is used to measure a dephasing time of $870 μ\rm s$ which is $\approx$ 5000 times longer than the time for a $π/2$ pulse.
description: 4 pages, 4 figures
Mesogens with four-benzene molecular core and two lactate units in the chiral chain
Creators: name: Novotna, Vladimíra
name: Stulov, Sergei
name: Pociecha, Damian
name: Hamplová, Věra
name: Fekete, Ladislav
name: Cigl, Martin
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: Biotechnology
subject: Evolutionary Biology
subject: FOS: Biological sciences
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Sociology
subject: FOS: Sociology
subject: Cancer

description: We prepared and studied new series of mesogens with a molecular core based on two biphenyls connected via ester linkage, with the biphenyl in central part laterally substituted by a chlorine atom. The studied compounds have two lactate groups and methylbutyl in the chiral chain and they exhibit the SmA phase in a very broad temperature range. We pursued the mesomorphic property and confirmed the phase identification by X-ray measurements. Additionally, we compared the studied compounds with previously prepared analogous materials. In comparison with homologues with different positions of the lateral substitution, we attempted to explain modified mesomorphic properties and absence of tilted mesophases for the studied series. We performed ab-initio calculations and found that the dipole moment is oriented along the long molecular axis, so its small transversal component probably causes the stability of the SmA phase and lack of ferroelectricity or antiferroelectricity.
On the Electron-Electron Interactions in Two Dimensions
Creators: name: Pudalov, V. M.
name: Gershenson, M. E.
name: Kojima, H.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: In this paper, we analyze several experiments that address the effects of electron-electron interactions in 2D electron (hole) systems in the regime of low carrier density. The interaction effects result in renormalization of the effective spin susceptibility, effective mass, and g*-factor. We found a good agreement among the data obtained for different 2D electron systems by several experimental teams using different measuring techniques. We conclude that the renormalization is not strongly affected by the material or sample-dependent parameters such as the potential well width, disorder (the carrier mobility), and the bare (band) mass. We demonstrate that the apparent disagreement between the reported results on various 2D electron systems originates mainly from different interpretations of similar "raw" data. Several important issues should be taken into account in the data processing, among them the dependences of the effective mass and spin susceptibility on the in-plane field, and the temperature dependence of the Dingle temperature. The remaining disagreement between the data for various 2D electron systems, on one hand, and the 2D hole system in GaAs, on the other hand, may indicate more complex character of electron-electron interactions in the latter system.
description: Added refs; corrected typos. 19 pages, 7 figures. To be published in: Chapter 19, Proceedings of the EURESCO conference "Fundamental Problems of Mesoscopic Physics ", Granada, 2003
A New View on Over-Dispersed Count Data Model: Estimation of Incomplete Demand System with Multivariate Poisson-log Normal Distributions
Creators: name: Ying, Jiahui
name: Shonkwiler, J. Scott
name: Ying, Jiahui
name: Shonkwiler, J. Scott
Publisher: name: Unknown
Year: 2018
Subjects: subject: Demand and Price Analysis
subject: brand choice
subject: multivariate Possion-log normal distribution
subject: incomplete demand system

description: A common problem in count data models is the over-dispersed quantities of purchase that can plague the model with severe skewness. The traditional method of either censoring or truncating, though may help to avoid part of extreme values, would still pay the cost of losing observations and thus reduce estimation efficiency. Because data on quantities purchased are discrete and over-dispersed and because demands of different brands may be correlated, we specify an approach that uses the multivariate Possion-log normal distribution in an incomplete demand system so that estimation on consumer’s brand choice can be accomplished without information loss.
Photometry and Spectroscopy of Old, Outer Disk Star Clusters: vdB-Hagen 176, Berkeley 29 and Saurer 1
Creators: name: Frinchaboy, Peter M.
name: Munoz, Ricardo R.
name: Phelps, Randy L.
name: Majewski, Steven R.
name: Kunkel, William E.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: It has been previously proposed that some distant open clusters in the Milky Way may have been accreted during a dwarf galaxy merger, perhaps associated with the same event that led to the formation of the Galactic anticenter stellar structure (GASS), also known as the ``Monoceros Ring''. We have obtained VI and Washington+DDO51 photometric and medium resolution (R ~ 8000) multi-fiber spectroscopic data for the three distant old open clusters Berkeley 29, Saurer 1, and vdB-Hagen 176 (BH 176). These clusters are spatially coincident with GASS, but radial velocities and spectroscopic metallicities had not been available during previous studies of the GASS candidate cluster system. Similar data for the clusters Berkeley 20 and Berkeley 39 have been obtained for calibration purposes. We provide the first {\it reliable} radial velocity for BH 176 (V_{helio} = 11.2 +/- 5.3 km/s). We also find that V_{helio} = +95.4 +/- 3.6 and +28.4 +/- 3.6 km/s, for Saurer 1(A) and Berkeley 29, respectively. We show that alpha-enhanced isochrones, while spectroscopically motivated, provide a poor fit to Be29 in contrast to previous findings. We find that the clusters Berkeley 29 and Saurer 1 are consistent with the previously reported characteristics for GASS candidate clustersand the GASS stellar stream as derived from M-giant observations. However, the radial velocity and photometric metallicity ([Fe/H] ~ 0.0 dex) for BH 176 suggests that a connection of this cluster with the putative GASS cluster system is unlikely. We reassess the age-metallicity relation for the most likely members of the GASS clusters system for which spectroscopic metallicities are now available.
description: 15 pages, 14 figures, AJ accepted
title: The Effects of Strain Variation on Respiratory Syncytial Virus Infection and Immunity
Creators: name: Sande, Charles Jumba
Publisher: name: The Open University
Year: 2013

description: Introduction: The transmission of RSV in the human population is characterised by seasonal epidemics displaying cyclic alternation in dominance of the two antigenic groups A and B. The mechanisms that underlie this population-level competition between RSV A and B, and heterogeneity in transmission fitness of RSV genotypes are not clearly defined. The dynamics of neutralising antibody response following birth and primary infection as well as pro- and anti- inflammatory cytokines/chemokines following natural infection in infants, especially in relation to RSV antigenic variation, have not been well characterised.

Methods: Neutralising antibodies were measured in the acute and convalescent sera of infants with RSV-associated pneumonia as well as from a birth cohort. Additionally, 10 cytokines/chemokines were measured in nasal secretions obtained from infants recruited within the household setting and from whom samples were obtained twice weekly during an RSV epidemic.

Results: The proportion of RSV A infected individuals seroconverting to a contemporary group A test virus was significantly higher than the proportion seroconverting to a contemporary group B virus (p=0.0005). The proportion of RSV B infected individuals seroconverting to a contemporary group B virus was higher than the proportion seroconverting to a contemporary A virus (p=0.008). The mean duration of maternal neutralising antibodies above a putative protective threshold was 2.8 months (95%CI 2.5-3.1 months). Primary neutralising antibodies declined to pre-infection levels within 3-4 months. The levels of some cytokines/chemokines correlated with viral load but not with RSV group.

Conclusion: The data suggest that population-level competition between RSV A and B is related to development of transient group-specific immunity following natural infection. Thus it might be argued that future RSV vaccines should include strains from both groups in order to maximise the indirect protective effect of a vaccination programme. No evidence was found for strain-specificity in cytokine/chemokine responses following RSV infection.
Short range order and topology of Ge$_{x}$Ga$_{x}$Te$_{100-2x}$ glasses
Creators: name: Pethes, Ildikó
name: Piarristeguy, Andrea
name: Pradel, Annie
name: Michalik, Stefan
name: Nemausat, Ruidy
name: Darpentigny, Jacques
name: Jóvári, Pál
Publisher: name: arXiv
Year: 2020
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Chemical short range order and topology of Ge$_{x}$Ga$_{x}$Te$_{100-2x}$ glasses was investigated by neutron- and x-ray diffraction as well as Ge and Ga K-edge extended x-ray absorption fine structure (EXAFS) measurements. Large scale structural models were obtained by fitting experimental datasets simultaneously with the reverse Monte Carlo simulation technique. Models, relying only on experimental data and basic physical information without constraining the average coordination numbers, give 3.9 - 4.1 for the number of the atoms in the first coordination sphere of Ge atoms, while the average number of first neighbors of Ga atoms scatters around 3.8. The average coordination number of Te atoms is significantly higher than 2 for $x$ = 12.5 and 14.3. It is found that the vast majority of MTe$_4$ (M=Ge or Ga) tetrahedra have at least one corner sharing MTe$_4$ neighbor.
description: revised version, 27 pages, 9 figures, accepted for publication in Journal of Alloys and Compounds
title: The Broader Autism Phenotype in the Parents of Children With Autism Spectrum Conditions
Creators: name: Sucksmith, Edward
Publisher: name: The Open University
Year: 2012

description: Progress in our understanding of the aetiology of Autism Spectrum Conditions (ASC) can be informed by research into the expression of the Broader Autism Phenotype (BAP) in the unaffected genetic relatives of people with ASC. This thesis commences with a comprehensive literature review of the BAP (chapter one), followed by an online study into the BAP in people with ASC, their first-degree relatives and controls focusing on empathy and basic facial emotion recognition (chapter two). Results provide support for the BAP in male first-degree relatives (fathers) who self-reported significantly lower empathy than controls. After setting out the general methods (chapter three), three further empirical studies are described (chapters four to six) that assess whether there are quantitative differences in the expression of autistic traits and related phenotypes in the unaffected parents of simplex (single incidence) and multiplex (multiple incidence) autism families. Multiplex parents were significantly less accurate than simplex parents at attributing mental states to others after controlling for verbal intelligence and performed significantly worse than either simplex parents or controls at identifying specific negative basic emotions from facial expressions. These significant differences in the social domain provide support for the hypothesis that differential genetic mechanisms operate in multiplex and simplex autism. There was also significantly greater aggregation of ADHD traits in multiplex families compared to simplex families, which supports the hypothesis of genetic overlap between ASC and ADHD and bolsters future investigations of crosssyndrome endopheno types for these conditions. The final empirical study of this thesis (chapter seven) explores the hypothesis that autistic characteristics are ‘fractionable’ in ASC parents in ways that are consistent with the DSM-5 defined dyad of behavioural impairments characterizing clinical ASC. The thesis concludes with a summary of findings and implications for future autism research and clinical practice, together with suggestions for future directions in the area of BAP research (chapter eight).
Antiferromagnetic ordering in the Kondo lattice system Yb$_2$Fe$_3$Si$_5$
Creators: name: Singh, Yogesh
name: Ramakrishnan, S.
name: Hossain, Z.
name: Geibel, C.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Compounds belonging to the R$_2$Fe$_3$Si$_5$ series exhibit unusual superconducting and magnetic properties. Although a number of studies have been made on the first reentrant antiferromagnet superconductor Tm$_2$Fe$_3$Si$_5$, the physical properties of Yb$_2$Fe$_3$Si$_5$ are largely unexplored. In this work, we attempt to provide a comprehensive study of bulk properties such as, resistivity, susceptibility and heat-capacity of a well characterized polycrystalline Yb$_2$Fe$_3$Si$_5$. Our measurements indicate that Yb$^{3+}$ moments order antiferromagnetically below 1.7 K. Moreover, the system behaves as a Kondo lattice with large Sommerfeld coefficient ($γ$) of 0.5~J/Yb mol K$^{2}$ at 0.3 K, which is well below T$_N$. The absence of superconductivity in Yb$_2$Fe$_3$Si$_5$ down to 0.3 K at ambient pressure is attributed to the presence of the Kondo effect.
description: 10 pages, 3 figures, tex document. A fuller version has appeared in PRB. Here we have omitted the figures showing the crystal structure and the fitting of the X-ray pattern. Also the table with the lattice parameters obtained from fitting has been removed
title: The Super Elongation Complex (SEC) in Development and Disease
Creators: name: Lin, Chengqi
Publisher: name: The Open University
Year: 2013

description: Chromosomal translocations involving the mixed lineage leukemia (MLL) gene are associated with infant acute leukemia. There are a large number of translocation partners of MLL that share very little sequence similarities, yet their translocations into MLL result in the pathogenesis of leukemia. To define the molecular reason why these translocations result in leukemogenesis, I purified several of the commonly occurring MLL chimeras and identified a novel Super Elongation Complex (SEC) associated with all chimeras purified. SEC consists of the RNA Pol II elongation factors ELL1-3, P-TEFb, and several frequent MLL-translocation partners. SEC is one of the most active P-TEFb complexes and is required for the proper expression of MLL chimera target genes and the oncogene, MYC, suggesting that the regulation of transcription elongation checkpoint control (TECC) by SEC could play essential roles in leukemia.

Paused Pol II has been proposed to be associated with loci that respond rapidly to environmental stimuli. My studies in mouse ES cells demonstrated that SEC is required for rapid transcriptional activation of genes, many of which contain paused Pol II. However, SEC is also required for the activation of the Cyp26al gene, which does not contain detectable Pol II, yet responds much more rapidly to retinoic acid than those paused genes, suggesting that paused Pol II is not a prerequisite for rapid gene activation. Furthermore, Ell3, a member of the ELL family of proteins, predominately occupies poised, active, and inactive enhancers of many developmental genes in ES cells. Ell3’s association with enhancers is required for setting up proper Pol II occupancy at the promoter-proximal regions of neighboring genes, providing a yet to be discovered mechanism for the transition from Ell3’s presence at poised enhancers in ES cells to Ell2’s role in the release of paused Pol II during gene activation.
Universal glassy dynamics at noise-perturbed onset of chaos. A route to ergodicity breakdown
Creators: name: Robledo, A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: The dynamics of iterates at the transition to chaos in one-dimensional unimodal maps is shown to exhibit the characteristic elements of the glass transition, e.g. two-step relaxation and aging. The properties of the bifurcation gap induced by external noise, including a relationship between relaxation time and entropy, are seen to be comparable to those of a supercooled liquid above a glass transition temperature. Universal time evolution obtained from the Feigenbaum RG transformation is expressed analytically via $q$-exponentials, and interpreted in terms of nonextensive statistics.
description: 5 pages, 1 figure
Implicit Functions in Feature Space for 3D Shape Reconstruction and Completion
Creators: name: Chibane, Julian
name: Alldieck, Thiemo
name: Pons-Moll, Gerard
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: While many works focus on 3D reconstruction from images, in this paper, we focus on 3D shape reconstruction and completion from a variety of 3D inputs, which are deficient in some respect: low and high resolution voxels, sparse and dense point clouds, complete or incomplete. Processing of such 3D inputs is an increasingly important problem as they are the output of 3D scanners, which are becoming more accessible, and are the intermediate output of 3D computer vision algorithms. Recently, learned implicit functions have shown great promise as they produce continuous reconstructions. However, we identified two limitations in reconstruction from 3D inputs: 1) details present in the input data are not retained, and 2) poor reconstruction of articulated humans. To solve this, we propose Implicit Feature Networks (IF-Nets), which deliver continuous outputs, can handle multiple topologies, and complete shapes for missing or sparse input data retaining the nice properties of recent learned implicit functions, but critically they can also retain detail when it is present in the input data, and can reconstruct articulated humans. Our work differs from prior work in two crucial aspects. First, instead of using a single vector to encode a 3D shape, we extract a learnable 3-dimensional multi-scale tensor of deep features, which is aligned with the original Euclidean space embedding the shape. Second, instead of classifying x-y-z point coordinates directly, we classify deep features extracted from the tensor at a continuous query point. We show that this forces our model to make decisions based on global and local shape structure, as opposed to point coordinates, which are arbitrary under Euclidean transformations. Experiments demonstrate that IF-Nets clearly outperform prior work in 3D object reconstruction in ShapeNet, and obtain significantly more accurate 3D human reconstructions.
description: {IEEE} Conference on Computer Vision and Pattern Recognition (CVPR)2020
Small U.S. Dairy Farms: Can They Compete? A Revisit
Creators: name: Nehring, Richard
name: Gillespie, Jeffrey
name: Erickson, Kenneth
name: Harris, J. Michael
name: Heutte, Silke
name: Sauer, Johannes
name: Nehring, Richard
name: Gillespie, Jeffrey
name: Erickson, Kenneth
name: Harris, J. Michael
name: Heutte, Silke
name: Sauer, Johannes
Publisher: name: Unknown
Year: 2018
Subjects: subject: Agricultural and Food Policy
subject: Agricultural Finance
subject: Production Economics
subject: Pasture-based system, technical efficiency, returns to scale, dairy

description: With rapid structural change in the U.S. dairy industry, we use data from USDA’s Agricultural Resource Management Survey to determine financial performance, scale efficiency, and technical efficiency associated with U.S. conventional and pasture-based milk production during 2010-2016. Large farms generally outperformed smaller farms in terms of technical efficiency, profitability measures, and returns to scale.
High Cadence Optical Transient Searches using Drift Scan Imaging I: Proof of Concept with a Pre-Prototype System
Creators: name: Tingay, Steven
Publisher: name: arXiv
Year: 2020
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: An imaging technique with sensitivity to short duration optical transients is described. The technique is based on the use of wide-field cameras operating in a drift scanning mode, whereby persistent objects produce trails on the sensor and short duration transients occupy localised groups of pixels. A benefit of the technique is that sensitivity to short duration signals is not accompanied by massive data rates, because the exposure time >> transient duration. The technique is demonstrated using a pre-prototype system composed of readily available and inexpensive commercial components, coupled with common coding environments, commercially available software, and free web-based services. The performance of the technique and the pre-prototype system is explored, including aspects of photometric and astrometric calibration, detection sensitivity, characterisation of candidate transients, and the differentiation of astronomical signals from non-astronomical signals (primarily glints from satellites in Earth orbit and cosmic ray hits on sensor pixels). Test observations were made using the pre-prototype system, achieving sensitivity to transients with 21 ms duration, resulting in the detection of five candidate transients. An investigation of these candidates concludes they are most likely due to cosmic ray hits on the sensor and/or satellites. The sensitivity obtained with the pre-prototype system is such that, under some models for the optical emission from FRBs, the detection of a typical FRB, such as FRB181228, to a distance of approximately 100 Mpc is plausible. Several options for improving the system/technique in the future are described.
description: 12 pages, 9 figures. Accepted to PASA (Feb 17, 2020)
A Complex Model of Consumer Food Acquisitions: Applying Machine Learning and Directed Acyclic Graphs to the National Household Food Acquisition and Purchase Survey (FoodAPS)
Creators: name: Senia, Mark C.
name: Dharmasena, Senarath
name: Todd, Jessica E.
name: Senia, Mark C.
name: Dharmasena, Senarath
name: Todd, Jessica E.
Publisher: name: Unknown
Year: 2018
Subjects: subject: Consumer/Household Economics
subject: Food Consumption/Nutrition/Food Safety
subject: Directed Acyclic Graphs
subject: National Household Food Acquisition and Purchase Survey
subject: Food Environment
subject: Food Insecurity
subject: Obesity

description: Complex causal relationships among a large set of variables that affect the U.S. households’ food acquisition and purchase decisions were estimated using machine learning algorithms and directed acyclic graphs. Asians and Hispanics live in an environment with high concentrations of fast- and non-fast food restaurants. Obesity is less prevalent among Asians. Being Hispanic makes one to be more food insecure. Those with higher incomes are food secure and obesity is less prevalent among them. Being Black positively causes to be a SNAP participant and food insecure. Obesity is positively caused by fair/poor health and diet status.
An Analysis of Price Behavior in the United States Peanut Industry
Creators: name: Bolotova, Yuliya V.
name: Bolotova, Yuliya V.
Publisher: name: Unknown
Year: 2018
Subjects: subject: Agribusiness
subject: Agricultural and Food Policy
subject: Industrial Organization
subject: Marketing
subject: FOS: Economics and business
subject: peanut economics
subject: peanut marketing
subject: peanut pricing

description: This research paper analyzes the fundamental relationship between peanut price and peanut production in the U.S. peanut industry during the period of 2003-2016, which followed the industry deregulation that took place in 2002 (i.e. the implementation of the Federal peanut quota buyout program and the elimination of associated price supports). The inverse demand framework is used to evaluate the peanut price-quantity relationship at the growers’ level of the peanut supply chain in a market environment free of the government programs directly affecting the peanut quantity produced.
Experimental and geometrical structure characterizations of new synthesized laterally fluorinated nematogenic system
Creators: name: El-Atawy, Mohamed A.
name: Alhaddad, Omaima. A.
name: Ahmed, Hoda A.
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Medicine
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 60506 Virology

description: New mesomorphic homologue series of laterally fluorinated azo/esters, 2-fluoro-4-((4-alkoxy)phenyl)diazenyl)phenyl 4-(alkoxy)benzoate (In/m), were synthesized and investigated their behaviour via experimental and computational tools. The prepared series bearing eight derivatives that differ from each other by the terminally attached alkoxy chain groups at their ends. Elemental analyses, FT-IR and NMR spectroscopy were carried out to elucidate their molecular structures. Mesophase and optical examinations of the synthesized homologues are conducted using differential scanning calorimetry (DSC) and polarised optical microscopy (POM). Mesomorphic characterisations revealed that all the laterally F substituted derivatives are monomorphic exhibiting nematic (N) mesophase with enantiotropic properties, except the longest terminal chain member possesses N phase monotropically. The comparative studies between the present group, I6/m, and the laterally-neat series revealed that the type and stability of the produced phase are dependent upon the influenced molecular dipole moment of the mesogenic core which is mainly dependent on the insertion of the lateral F atom. Computational approaches were carried by DFT calculations and the optimised structures of present investigated series have been deduced. DFT results revealed that, the incorporation of lateral F atom has essential effects on the stability of possible geometries as well as their thermal and physical parameters.
An Empirical Analysis of the U.S. Import Demand for Nuts
Creators: name: Grigoryan, Sona
name: Lopez, Jose
name: Grigoryan, Sona
name: Lopez, Jose
Publisher: name: Unknown
Year: 2018
Subjects: Agribusiness

description: The U.S. is one of the world’s major producers and importers of nuts, with 9% average increase in imports in the last decade (1996-2016). Given that nuts account for, on average, 18% of the U.S. total imports of fruits, it is important to empirically analyze and better understand the U.S. demand for nuts. This study estimates import elasticities of demand using an Almost Ideal Demand System (AIDS) and quarterly data reported by the USCIS for the period of 1996-2016. The parameter estimates of the AIDS model were employed to estimate the elasticities of demand for coconuts, brazil nuts, cashews, almonds, hazelnuts, walnuts, chestnuts, and pistachios. Other nuts as pecans and peanuts are included in the category “other”. Additional adjustments were made to the empirical model in order to account for seasonality and trend, as well as to provide necessary remedies for serial correlation and endogeneity. Our results revealed that all Marshallian own-price elasticities had the expected negative signs and in absolute terms were greater than one indicating that the U.S. demand for these nuts was price-elastic for the period analyzed. The Hicksian cross-price elasticities indicated both complementary relationships and substitutability between the selected nut types.
Position and spin in relativistic quantum mechanics
Creators: name: Zou, Liping
name: Zhang, Pengming
name: Silenko, Alexander J.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The problem of the position and spin in relativistic quantum mechanics is analyzed in detail. It is definitively shown that the position and spin operators in the Foldy-Wouthuysen representation (but not in the Dirac one) are quantum-mechanical counterparts of the classical position and spin variables. The probabilistic interpretation is valid only for Foldy-Wouthuysen wave functions. The relativistic spin operators are discussed. The spin-orbit interaction does not exist for a free particle if the conventional operators of the orbital angular momentum and the rest-frame spin are used. Alternative definitions of the orbital angular momentum and the spin are based on noncommutative geometry, do not satisfy standard commutation relations, and can allow the spin-orbit interaction.
description: 46 pages, no figure
First observation of psi(2S)-->K_S K_L
Creators: name: Bai, J. Z.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The decay psi(2S)-->K_S K_L is observed for the first time using psi(2S) data collected with the Beijing Spectrometer (BESII) at the Beijing Electron Positron Collider (BEPC); the branching ratio is determined to be B(psi(2S)-->K_S K_L) = (5.24\pm 0.47 \pm 0.48)\times 10^{-5}. Compared with J/psi-->K_S K_L, the psi(2S) branching ratio is enhanced relative to the prediction of the perturbative QCD ``12%'' rule. The result, together with the branching ratios of psi(2S) decays to other pseudoscalar meson pairs (π^+π^- and K^+K^-), is used to investigate the relative phase between the three-gluon and the one-photon annihilation amplitudes of psi(2S) decays.
description: 5 pages, 4 figures, 2 tables, submitted to Phys. Rev. Lett
Analysis script for Gilbert & Kittel (2021) "Surface melt and runoff on Antarctic ice shelves at 1.5°C, 2°C and 4°C of future warming" Geophysical Research Letters
Creators: name: Gilbert, Ella
Publisher: name: Zenodo
Year: 2021
Subjects: surface mass balance, python, antarctica, ice shelves, melt, runoff

description: Python analysis scripts used for the calculation of surface mass balance components over ice shelves for the historical period and various increments of warming as detailed in Gilbert & Kittel (2021). Functions to plot all figures and produce tables are also included.
description: This research was supported by British Antarctic Survey Innovation voucher funding.
Herd Size Management using Cattle Cycle Price Signals and Weather Uncertainty
Creators: name: Tester, Colson
name: Popp, Michael
name: Kemper, Nathan
name: Nalley, Lanier
name: Tester, Colson
name: Popp, Michael
name: Kemper, Nathan
name: Nalley, Lanier
Publisher: name: Unknown
Year: 2018
Subjects: subject: Farm Management
subject: cow herd size managment
subject: weather uncertainty
subject: dollar cost averaging
subject: moving average price ratio

description: The third most consumed meat around the world is beef. Despite global demand side growth, cattle markets experience price cycles related to biological production lags causing variability in cashflow and profitability for producers. Price-driven herd size management strategies thus have received attention. This study adds to that literature by analyzing both price and production risk using three herd size management strategies: i) constant size – holding herd size constant; ii) dollar cost averaging – keeping reinvestment constant by varying the number of replacement heifers retained at a constant long run average dollar total; and iii) moving average – using an uptrend/downtrend price signal to lower/increase production in anticipation of future price declines/increases. These strategies are evaluated with and without weather induced forage availability changes that impact the relative profitability and risk of these strategies over the most recent 2004-2014 cattle cycle. This analysis is useful for decision makers of medium- to large-scale cow-calf operations. Results suggest that price signal-based strategies can enhance profitability but the managerial cost required for this type of herd size management is deemed larger than its benefit. Weather risk did not impact this conclusion.