cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Subarcsecond-Resolution Radio Maps of Nearby Spiral Galaxies
Creators: name: Tsai, Chao-Wei
name: Turner, Jean L.
name: Beck, Sara C.
name: Crosthwaite, Lucian P.
name: Ho, Paul T. P.
name: Meier, David S.
name: ;
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report subarcsecond-resolution VLA imaging of four nearby spiral galaxies: IC 342, Maffei II, NGC 2903, and NGC 6946. In each galaxy, compact radio continuum sources are identified in the central ~ 15" x 15" region. These compact sources are responsible for 20 - 30 % of the total emission from the central kpc of the host galaxies at 2 cm, but only ~ 5 - 10 % at 6 cm. More than half of the compact sources appear to be HII regions. The HII regions with rising spectra must be fairly dense (n_i ~ 10^4 cm^(-3)) and are presumably very young. The largest of these HII regions require the excitation of 500 - 800 O stars, within regions of only few parsecs extent. These clusters approach the sizes expected for globular clusters. Thermal free-free emission from compact sources contributes more significantly at 2 cm, while diffuse synchrotron emission dominates at 6 cm. The radio HII regions are found near the centers of giant molecular clouds in projection, and do not have obvious visual counterparts.
description: 48 pages, 6 figures. Accepted for publication in AJ
The Death of Play, or: How We Learned to Stop Doing and Love to Watch (rejected abstract)
Creators: name: Mummelthei, Victoria
Publisher: name: Media Theory Journal
Year: 2025
Subjects: game studies
video games
digital games
computer games
video game theory
media theory

description: Rejected abstract for the special issue "Videogame Theory" in the Media Theory Journal: https://mediatheoryjournal.org/cfp-videogame-theory/
Hydrodynamics of isotropic and liquid crystalline active polymer solutions
Creators: name: Ahmadi, Aphrodite
name: Marchetti, M. Cristina
name: Liverpool, T. B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We describe the large-scale collective behavior of solutions of polar biofilaments and both stationary and mobile crosslinkers. Both mobile and stationary crosslinkers induce filament alignment promoting either polar or nematic order. In addition, mobile crosslinkers, such as clusters of motor proteins, exchange forces and torques among the filaments and render the homogeneous states unstable via filament bundling. We start from a Smoluchowski equation for rigid filaments in solutions, where pairwise crosslink-mediated interactions among the filaments yield translational and rotational currents. The large-scale properties of the system are described in terms of continuum equations for filament and motor densities, polarization and alignment tensor obtained by coarse-graining the Smoluchovski equation. The possible homogeneous and inhomogeneous states of the systems are obtained as stable solutions of the dynamical equations and are characterized in terms of experimentally accessible parameters. We make contact with work by other authors and show that our model allows for an estimate of the various parameters in the hydrodynamic equations in terms of physical properties of the crosslinkers.
description: 47 pages, 12 figures
Nanoscale continuous quantum light sources based on driven dipole emitter arrays
Creators: name: Holzinger, Raphael
name: Moreno-Cardoner, Mariona
name: Ritsch, Helmut
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Applied Physics (physics.app-ph)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: Regular arrays of two-level emitters at distances smaller that the transition wavelength collectively scatter, absorb and emit photons. The strong inter-particle dipole coupling creates large energy shifts of the collective delocalized excitations, which generates a highly nonlinear response at the single and few photon level. This should allow to implement nanoscale non-classical light sources via weak coherent illumination. At the generic tailored examples of regular chains or polygons we show that the fields emitted perpendicular to the illumination direction exhibit a strong directional confinement with genuine quantum properties as antibunching. For short interparticle distances superradiant directional emission can enhance the radiated intensity by an order of magnitude compared to a single atom focused to a strongly confined solid angle but still keeping the anti-bunching parameter at the level of $g^{(2)}(0) \approx 10^{-2}$.
description: 13 pages, 9 figures
Die nächste Bibliothekswissenschaft für die nächste Gesellschaft
Creators: name: Hobohm, Hans-Christoph
Publisher: name: Humboldt-Universität zu Berlin
Year: 2019
Subjects: subject: Bibliothekswissenschaft
subject: Informations- und Dokumentationswissenschaft
subject: Digitale Revolution
subject: Informationsgesellschaft
subject: Zukunft
subject: 020 Bibliotheks- und Informationswissenschaften

description: Die technologische Disruption in der Gesellschaft erfordert auch für Bibliotheken grundsätzlich neue Konzepte. Jede Gesellschaftsform ist geprägt durch ein Leitmedium: In der Antike war es die Schrift, in der Moderne das Buch, aber für die nächste Gesellschaft (Baecker, 2007) ist die Form des prägenden Mediums noch nicht ausgemacht, so wie diese Gesellschaft auch noch kein gemeinschaftsbildendes Narrativ hat. Die neuen (nicht nur Stadt-)Bibliotheken zu Beginn des 21. Jahrhunderts „arbeiten“ an diesem Medienwandel und dem Narrativ der Gesellschaft. Die internationale wissenschaftliche Reflexion dazu (z. B. im Kontext der NEXT LIBRARY® in Dänemark) hat sich verabschiedet vom buchbezogenen Informationsparadigma und ist die nächste(n) Stufe(n) der DIKW Hierarchie nach oben gegangen: nicht nach unten zu Daten (D), sondern zu Fragen des sinnhaften Wissens (K: Knowledge / W: Wisdom) und den Kompetenzen im Umgang mit Information (I) und ihren neuen medialen Formen.
A biosystematic study of the Lasthenia californica complex (Asteraceae)
Creators: name: Desrochers, Andrée M.
Publisher: name: University of British Columbia
Year: 2008

description: Lasthenia californica DC. ex Lindley is an annual, presumably obligate out crossing species and is the most widespread taxon of the 17 species in this mostly Californian genus. A biosystematic study of this complex has shown that this species is polymorphic in its flavonoid chemistry, electrophoretic banding patterns, and morphologyat the intra- and interpopulation levels. A detailed analysis of a population located in the Biological Preserve of Stanford University (Jasper Ridge) showed that there is a strong correlation among flavonoid profiles, pappus morphology and isozyme patterns. A long term study at Jasper Ridge suggests that the spatial distribution of pigment types along several transects has remained essentially constant over a period of 10 years. Indices of genetic differentiation in populations and preliminary findings of breeding experiments also suggest population subdivision and low levels of crossability between plants with different flavonoid profiles. It appears that these forms flower atdifferent times. The pattern of variation observed at Jasper Ridge suggests that the two genotypes represent a northern race and a southern race. It is premature to conclude whether the population structure at Jasper Ridge is unique to this site. Variation in morphology, flavonoid chemistry, and isozymes failed to group the populations of L. californica into recognizable taxonomic categories. However, the character states observed (i.e., in morphology, flavonoids, and isozymes) at Jasper Ridge show a polarized distribution (north-south) in the other 34 populations examined across the species' range and represent geographical races. There is also a positive correlation among the data sets in some populations although this correlation is different than the one observed at Jasper Ridge. Ecological races - one coastal and one inland - were also observed. The formation of various races in the L.californica complex is believed to represent a step toward speciation and it seems that the geographical speciation model best reflects the patterns of variation observed. Diploid, tetraploid, and hexaploid populations are found throughout the range of the species and are indistinguishable geographically, morphologically, chemically or by their allozymes. The isozyme study suggests that the tetraploid populations are of an autopolyploid origin. The only hexaploid population sampled was not analysed for its isozyme variation.
The 2023 Balloon Flight of the ComPair Instrument
Creators: name: Smith, Lucas D.
name: Cannady, Nicholas
name: Caputo, Regina
name: Kierans, Carolyn
name: Kirschner, Nicholas
name: Liceaga-Indart, Iker
name: McEnery, Julie
name: Metzler, Zachary
name: Moiseev, A. A.
name: Parker, Lucas
name: Perkins, Jeremy
name: Sasaki, Makoto
name: Schoenwald, Adam J.
name: Shy, Daniel
name: Valverde, Janeth
name: Wasti, Sambid
name: Woolf, Richard
name: Bolotnikov, Aleksey
name: Caligiure, Thomas J.
name: Crosier, A. Wilder
name: Fried, Jack
name: Ghosh, Priyarshini
name: Griffin, Sean
name: Grove, J. Eric
name: Hays, Elizabeth
name: Kong, Emily
name: Mitchell, John
name: Phlips, Bernard
name: Sleator, Clio
name: Thompson, D. J.
name: Wulf, Eric
name: Zajczyk, Anna
Publisher: name: arXiv
Year: 2024
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The ComPair balloon instrument is a prototype gamma-ray telescope that aims to further develop technology for observing the gamma-ray sky in the MeV regime. ComPair combines four detector subsystems to enable parallel Compton scattering and pair-production detection, critical for observing in this energy range. This includes a 10 layer double-sided silicon strip detector tracker, a virtual Frisch grid low energy CZT calorimeter, a high energy CsI calorimeter, and a plastic scintillator anti-coincidence detector. The inaugural balloon flight successfully launched from the Columbia Scientific Balloon Facility site in Fort Sumner, New Mexico, in late August 2023, lasting approximately 6.5 hours in duration. In this proceeding, we discuss the development of the ComPair Since balloon payload, the performance during flight, and early results.
description: 13 pages, 12 figures
Obtaining Lower Query Complexities through Lightweight Zeroth-Order Proximal Gradient Algorithms
Creators: name: Gu, Bin
name: Wei, Xiyuan
name: Zhang, Hualin
name: Chang, Yi
name: Huang, Heng
Publisher: name: arXiv
Year: 2024
Subjects: subject: Optimization and Control (math.OC)
subject: Machine Learning (cs.LG)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences

description: Zeroth-order (ZO) optimization is one key technique for machine learning problems where gradient calculation is expensive or impossible. Several variance reduced ZO proximal algorithms have been proposed to speed up ZO optimization for non-smooth problems, and all of them opted for the coordinated ZO estimator against the random ZO estimator when approximating the true gradient, since the former is more accurate. While the random ZO estimator introduces bigger error and makes convergence analysis more challenging compared to coordinated ZO estimator, it requires only $\mathcal{O}(1)$ computation, which is significantly less than $\mathcal{O}(d)$ computation of the coordinated ZO estimator, with $d$ being dimension of the problem space. To take advantage of the computationally efficient nature of the random ZO estimator, we first propose a ZO objective decrease (ZOOD) property which can incorporate two different types of errors in the upper bound of convergence rate. Next, we propose two generic reduction frameworks for ZO optimization which can automatically derive the convergence results for convex and non-convex problems respectively, as long as the convergence rate for the inner solver satisfies the ZOOD property. With the application of two reduction frameworks on our proposed ZOR-ProxSVRG and ZOR-ProxSAGA, two variance reduced ZO proximal algorithms with fully random ZO estimators, we improve the state-of-the-art function query complexities from $\mathcal{O}\left(\min\{\frac{dn^{1/2}}{ε^2}, \frac{d}{ε^3}\}\right)$ to $\tilde{\mathcal{O}}\left(\frac{n+d}{ε^2}\right)$ under $d > n^{\frac{1}{2}}$ for non-convex problems, and from $\mathcal{O}\left(\frac{d}{ε^2}\right)$ to $\tilde{\mathcal{O}}\left(n\log\frac{1}ε+\frac{d}ε\right)$ for convex problems.
description: Neural Computation 36 (5), 897-935
Pairing fluctuations and the superfluid density through the BCS-BEC crossover
Creators: name: Taylor, E.
name: Griffin, A.
name: Fukushima, N.
name: Ohashi, Y.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We derive an expression for the superfluid density of a uniform two-component Fermi gas through the BCS-BEC crossover in terms of the thermodynamic potential in the presence of an imposed superfluid flow. Treating the pairing fluctuations in a Gaussian approximation following the approach of Nozières and Schmitt-Rink, we use this definition of $ρ_s$ to obtain an explicit result which is valid at finite temperatures and over the full BCS-BEC crossover. It is crucial that the BCS gap $Δ$, the chemical potential $μ$, and $ρ_s$ all include the effect of fluctuations at the same level in a self-consistent manner. We show that the normal fluid density $ρ_n \equiv n - ρ_s$ naturally separates into a sum of contributions from Fermi BCS quasiparticles ($ρ^F_{n}$) and Bose collective modes ($ρ^B_{n}$). The expression for $ρ^F_{n}$ is just Landau's formula for a BCS Fermi superfluid but now calculated over the BCS-BEC crossover. The expression for the Bose contribution $ρ^B_{n}$ is more complicated and only reduces to Landau's formula for a Bose superfluid in the extreme BEC limit, where all the fermions have formed stable Bose pairs and the Bogoliubov excitations of the associated molecular Bose condensate are undamped. In a companion paper, we present numerical calculations of $ρ_s$ using an expression equivalent to the one derived in this paper, over the BCS-BEC crossover, including unitarity, and at finite temperatures.
description: 30 pages
Global Spinors and Orientable Five-Branes
Creators: name: Kalkkinen, Jussi
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Fermion fields on an M-theory five-brane carry a representation of the double cover of the structure group of the normal bundle. It is shown that, on an arbitrary oriented Lorentzian six-manifold, there is always an Sp(2) twist that allows such spinors to be defined globally. The vanishing of the arising potential obstructions does not depend on spin structure in the bulk, nor does the six-manifold need to be spin or spin-C. Lifting the tangent bundle to such a generalised spin bundle requires picking a generalised spin structure in terms of certain elements in the integral and modulo-two cohomology of the five-brane world-volume in degrees four and five, respectively.
description: 18 pages, LaTeX; v2: version to appear in JHEP
Spectral Evolution of NGC 1313 X-2: Evidence Against The Cool Disk Model
Creators: name: Feng, Hua
name: Kaaret, Philip
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The presence of a cool multicolor disk component with an inner disk temperature kT=0.1~0.3 keV at a luminosity L>10^40 erg/s has been interpreted as evidence that the ultraluminous X-ray source NGC 1313 X-2 harbors an intermediate-mass black hole (IMBH). The temperature of a disk component should vary with luminosity as $L\propto T^4$. However, upon investigating the spectral evolution with multiple XMM-Newton observations, we found that the cool disk component failed to follow this relation with a confidence level of 0.999964. Indeed, the luminosity decreases as the temperature increases, and the luminosities at high temperatures are more than an order of magnitude less than expected from the $L\propto T^4$ extrapolation of luminosities at low temperatures. This places a strong constraint against the validity of modeling the X-ray spectra of NGC 1313 X-2 as emission from the accretion disk of an IMBH. The decrease in luminosity with increasing temperature of the soft component follows the trend suggested by a model in which the soft emission arises from an outflow from a stellar-mass black hole with super-Eddington accretion viewed along the symmetry axis. Alternatively, the spectra can be adequately fitted by a p-free disk model with kT=~2 keV and p=~0.5. The spectral evolution is consistent with the $L\propto T^4$ relation and appears to be a high luminosity extension of the L-kT relation of Galactic black holes. This, again, would suggest that the emission is from a super-Eddington accreting stellar mass black hole.
description: 5 pages, 4 figures, ApJ Letter in press; minor changes in v2 to match the published version
Phenomenology of The Left-Right Twin Higgs Model
Creators: name: Goh, Hock-Seng
name: Su, Shufang
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The twin Higgs mechanism has recently been proposed to solve the little hierarchy problem. We study the implementation of the twin Higgs mechanism in left-right models. At TeV scale, heavy quark and gauge bosons appear, with rich collider phenomenology. In addition, there are extra Higgses, some of which couple to both the Standard Model fermion sector and the gauge sector, while others couple to the gauge bosons only. We present the particle spectrum, and study the general features of the collider phenomenology of this class of model at the Large Hadron Collider.
description: 41 pages, version appears in PRD
Sharp probability estimates for generalized Smirnov statistics
Creators: name: Ford, Kevin
Publisher: name: arXiv
Year: 2006
Subjects: subject: Probability (math.PR)
subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 62G30; 60G50

description: We give sharp, uniform estimates for the probability that the empirical distribution function for n uniform-[0,1] random variables stays to one side of a given line.
description: v4. 11 pages. Very tiny corrections. Fixed equation numbering
Current-Induced Polarization and the Spin Hall Effect at Room Temperature
Creators: name: Stern, N. P.
name: Ghosh, S.
name: Xiang, G.
name: Zhu, M.
name: Samarth, N.
name: Awschalom, D. D.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Electrically-induced electron spin polarization is imaged in n-type ZnSe epilayers using Kerr rotation spectroscopy. Despite no evidence for an electrically-induced internal magnetic field, current-induced in-plane spin polarization is observed with characteristic spin lifetimes that decrease with doping density. The spin Hall effect is also observed, indicated by an electrically-induced out-of-plane spin polarization with opposite sign for spins accumulating on opposite edges of the sample. The spin Hall conductivity is estimated as 3 +/- 1.5 Ohms**-1 m**-1/|e| at 20 K, which is consistent with the extrinsic mechanism. Both the current-induced spin polarization and the spin Hall effect are observed at temperatures from 10 K to 295 K.
description: 5 pages, 4 figures
Park Picnic
Creators: name: Girado, Luther
name: Hammond, Jon
name: Hernandez, Betty
name: Hicks, Lucille
name: Grant, Laura
name: Durham, Kim
name: Everson, Merlene
name: Harkins, Ron
name: Turner, Julie
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: xaw

description: This file, captured during a group picnic at a local park, contains conversation regarding memories of past family outings to the park and activities held there.
Climate services for climate risk management and urban adaptation
Creators: name: Zuccaro, Giulio
name: Leone, Mattia
name: Mysiak, Jaroslav
name: Lefebre, Filip
name: Votsis, Athanasios
name: Ruuhela, Reija
name: Witt, Christian
Publisher: name: Zenodo
Year: 2019
Subjects: CLARITY
climate services
climate change
ECCA2019

description: Climate Services are emerging worldwide as an essential tool to bridge the advancement in climate science and earth observations with a variety of operational fields in the domains of disaster risk reduction (DRR) and climate change adaptation (CCA). There is a growing need to harmonize risk and impact assessment modelling methodologies in order to increase the potential for use of scientific results by decision-makers to streamline national to local DRR and CCA policies. An integrated modelling approach should provide a detailed impact quantification on selected elements at risk (e.g. population, buildings, transport infrastructure, economic sectors, etc.) under the effect of extreme weather events in context of climate change, based on high resolution climate projections and analyses.A large share of global climate risk is concentrated in urban areas. Cities are vulnerable to the impacts of climate change because of the high density of people, built infrastructure, and economic activity, but also because urban areas shape their own climate, amplifying climate extremes such as excessive heat and flooding. Sustainable urban and health planning can offer solutions, and it is important to understand, how physical and socioeconomic processes co-determine the exposure and vulnerability of populations, economy, and infrastructure to the impacts of climate extremes.
HRE 2021-0515 Research Data: Interview Guide
Creators: name: Quigley, Niamh
Publisher: name: Zenodo
Year: 2021
Subjects: creative practice research outputs
interview guide
research output management systems

description: The Curtin Open Knowledge Initiative (COKI) in collaboration with Curtin University Library undertook a project to provide better support for the creative practice research outputs (CPROs) of Faculty of Humanities researchers. The reason for this research is to identify ways to increase the visibility of CPROs at Curtin University, and document what information (metadata) is important to researchers when describing their CPROs. The Chief Investigator of this project was Dr Lucy Montgomery, Professor of Knowledge Innovation at Curtin University. This research project has approval from the Curtin University Human Research Ethics Office (HRE2021-0515). This Word document is the semi-structured interview guide for the project. The deidentified interview transcripts are available on Zenodo: https://doi.org/10.5281/zenodo.5774508 The metadata findings from the card sorting activity are available on Zenodo: https://doi.org/10.5281/zenodo.5774660
description: This research was funded by the Curtin Open Knowledge Initiative.
On Synthetic Absorption Line Profiles of Thermally Driven Winds from Active Galactic Nuclei
Creators: name: Ganguly, Shalini
name: Proga, Daniel
name: Waters, Tim
name: Dannen, Randall C.
name: Dyda, Sergei
name: Giustini, Margherita
name: Kallman, Timothy
name: Raymond, John
name: Miller, Jon
name: Hidalgo, Paola Rodriguez
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: The warm absorbers observed in more than half of all nearby active galactic nuclei (AGN) are tracers of ionized outflows located at parsec scale distances from the central engine. If the smallest inferred ionization parameters correspond to plasma at a few $10^4$~K, then the gas undergoes a transition from being bound to unbound provided it is further heated to $\sim 10^6$~K at larger radii. Dannen et al. recently discovered that under these circumstances, thermally driven wind solutions are unsteady and even show very dense clumps due to thermal instability. To explore the observational consequences of these new wind solutions, we compute line profiles based on the one-dimensional simulations of Dannen et al. We show how the line profiles from even a simple steady state wind solution depend on the ionization energy (IE) of absorbing ions, which is a reflection of the wind ionization stratification. To organize the diversity of the line shapes, we group them into four categories: weak Gaussians, saturated boxy profiles with and without an extended blue wing, and broad weak profiles. The lines with profiles in the last two categories are produced by ions with the highest IE that probe the fastest regions. Their maximum blueshifts agree with the highest flow velocities in thermally unstable models, both steady state and clumpy versions. In contrast, the maximum blueshifts of the most high IE lines in thermally stable models can be less than half of the actual solution velocities. Clumpy solutions can additionally imprint distinguishable absorption troughs at widely separated velocities.
description: Accepted for publication in ApJ, 20 pages, 15 figures, 3 tables, videos and FITS files of line profiles available on: http://www.physics.unlv.edu/astro/clumpywindsims-lps.html
Measurement of the CP-violation parameter of B^0 mixing and decay with pp(bar) -> mu mu X data
Creators: name: D0 Collaboration
name: Abazov, V.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We measure the dimuon charge asymmetry A in pp(bar) collisions at a center of mass energy sqrt{s} = 1960 GeV. The data was recorded with the D0 detector and corresponds to an integrated luminosity of approximately 1.0 fb-1. Assuming that the asymmetry A is due to asymmetric B^0 B(bar)^0 mixing and decay, we extract the CP-violation parameter of B^0 mixing and decay: Re(epsilon_B^0)(1 + |epsilon_B^0|^2) = A_B^0/4 = -0.0023 +/- 0.0011 (stat) +/- 0.0008 (syst). A_B^0 is the dimuon charge asymmetry from decays of B^0 B(bar)^0 pairs. The general case, with CP violation in both B^0 and B_s^0 systems, is also considered. Finally we obtain the forward-backward asymmetry that quantifies the tendency of mu+ to go in the proton direction and mu- to go in the anti-proton direction. The results are consistent with the standard model and constrain new physics.
description: Submitted to Phys. Rev. D, LaTeX, 12 pages, 3 figures
Mood and advertising persuasion : a model integrating mood management and mood disruption mechanisms
Creators: name: Sin, Leo Y.
Publisher: name: University of British Columbia
Year: 2008

description: Past consumer research on mood has focused mainly on the impact of pre-processing mood on attitude formation, cognitive process, or behaviour. The present study, however, opens a new research direction by investigating the impact of ad characteristics on pre-processing mood. In particular, this research develops a model by combining the mood management and mood disruption mechanisms to answer the following interrelated research questions: (1) How does a consumer's mood interact with an ad's characteristics? (2) What is the effect of this interaction on subsequent mood and ad evaluation? (3) When will the above effect on ad evaluation be more likely to occur? Before the main experiment was conducted, a scale was developed to measure the mood potency of an ad -- a construct developed to capture the dimensions of an ad in eliciting affective responses. Following a systematic psychometric scale-development procedure, a reliable and valid scale with eighteen items was obtained. A 2x2x2 between-subject factorial design was conducted to test the model. The treatments included pre-processing mood pleasure, pre-processing mood arousal, and mood potency of an ad. The experiment involved exposing groups of subjects to one ad after listening to one piece of music, then comparing ad evaluations by music condition. The ad's mood potency was manipulated to elicit either a positive or negative feeling. Music was employed to vary pleasure and arousal prior to ad processing. Altogether two ads and four pieces of music were used. For the dependent measure considered (i.e., ad evaluation), findings were in accordance with a mood management interpretation. It was found that a positive mood potency ad was preferred to a negative mood potency ad either in a good or bad mood condition. Moreover, this effect was more pronounced when the arousal level was high. Regarding predictions on change in pleasure/arousal due to an exposure of an ad, only the change in pleasure yielded marginal support for the mood disruption mechanism. The findings of this study not only contribute to our understanding of research on advertising context and affective responses but also have important implications for managerial decisions on ad placing, design, and copy testing.
A genetic and molecular analysis of the bli-4 locus of Caenorhabditis elegans, an essential gene encoding KEX2-like subtilisin-typw serine endoproteases
Creators: name: Peters, Kenneth W.
Publisher: name: University of British Columbia
Year: 2008

description: This thesis reports a characterization of genetic mutations and molecular structure of the bli-4 (I) gene of Caenorhabditis elegans. The bli-4locus had been previously defined by a single recessive mutation, e937, which disrupts the structure of adult-stage cuticle causing the formation of fluid-filled separations of the cuticle layers, or blisters. A characterization of e937 and eleven additional mutations is reported. The mutations were grouped into three classes based on phenotype and complementation analysis: Class I, represented by the single allele causing blistering, e937;Class II, nine lethal mutations that arrest development at the end of embryogenesis and that fail to complement all other mutations; and Class 111,two larval lethal mutations, s90 and h754, that complement e937. The complementation pattern provides evidence that all of these mutations are allelic, and that bli-4 is a complex locus with an essential function late in embryogenesis. A region of chromosome I that includes the bli-4 locus was identified by aligning the C. elegans genetic and physical maps. The bli-4 coding region was identified by using cosmids as hybridization probes to detect chromosomal alterations in the DNA of bli-4 mutant strains. Two mutations of bli-4 are small rearrangements of the gene; e937, is a 3.5 kilo base (kb)deletion, and h1010 is an insertion of the 1.6 kb transposable element, Tc1.Three protein products that differ at the carboxyl end, are predicted from alternately spliced bli-4 cDNA clones. The predicted proteins were designated blisterin A, blisterin B and blisterin C according to the order that the variantly spliced 3' ends occur on the chromosome. Of the three bli-4cDNA clones characterized, only blisterin B includes an open reading frame beginning with an ATG start codon. The blisterin A and blisterin C open reading frames begin within blisterin B, and are likely to be incomplete. The predicted blisterin B gene product has a potential secretion signal peptide atits amino terminal. Blisterin C has a potential Tran membrane domain near its carboxyl terminal while blisterin A and B lack this domain. The blisterins share significant sequence identity with kex2-like serine endoproteases ,which are responsible for the cleavage of secreted proteins in yeast and mammals. This characterization of bli-4 provides the first evidence for an essential role of a KEX2-like gene in the development of a multi-cellular organism.
Unidirectional lasing in nonlinear Taiji micro-ring resonators
Creators: name: Heras, Alberto Muñoz de las
name: Carusotto, Iacopo
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We develop a general formalism to study laser operation in active micro-ring resonators supporting two counterpropagating modes. Our formalism is based on the coupled-mode equations of motion for the field amplitudes in the two counterpropagating modes and a linearized analysis of the small perturbations around the steady state. We show that the devices including an additional S-shaped waveguide establishing an unidirectional coupling between both modes -- the so-called Taiji resonators (TJR) -- feature a preferred chirality on the laser emission and can ultimately lead to unidirectional lasing even in the presence of sizable backscattering. The efficiency of this mode selection process is further reinforced by the Kerr nonlinearity of the material. This stable unidirectional laser operation can be seen as an effective breaking of $\mathcal{T}$-reversal symmetry dynamically induced by the breaking of the $\mathcal{P}$-symmetry of the underlying device geometry. This mechanism appears as a promising building block to ensure non-reciprocal behaviors in integrated photonic networks and topological lasers without the need for magnetic elements.
description: 15 pages, 11 figures
What is a Young tableau?
Creators: name: Yong, Alexander
Publisher: name: arXiv
Year: 2006
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: Young tableaux are classical combinatorial objects playing recurring and varied roles in representation theory, algebraic geometry and commutative algebra. This article is a short exposition on Young tableaux, written for the "WHAT IS...?" series of the Notices of the American Mathematical Society. It describes some of their properties and applications.
description: A final copy-edited version is to appear in Notices. Amer. Math. Soc
CALM Visit
Creators: name: Girado, Luther
name: Hammond, Jon
name: Hernandez, Betty
name: Hicks, Lucille
name: Grant, Laura
name: Durham, Kim
name: Everson, Merlene
name: Harkins, Ron
name: Turner, Julie
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: xaw

description: This file, captured at the California Area Living Museum, contains a discussion between the speakers regarding different animals; mainly different types of eagles and other raptors.
Spectroscopic and photometric monitoring of a poorly known high-luminous OH/IR star: IRAS 18278+0931
Creators: name: Ghosh, Supriyo
name: Mondal, Soumen
name: Das, Ramkrishna
name: Dutta, Somnath
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the time-dependent properties of a poorly known OH/IR star $-$ IRAS 18278+0931 (hereafter, IRAS 18+09) towards the Ophiuchus constellation. We have carried out long-term optical/near-infrared (NIR) photometric and spectroscopic observations to study the object. From optical $R$- and $I$-band light curves, the period of IRAS 18+09 is estimated to be 575 $\pm$ 30 days and the variability amplitudes range from $Δ$R $\sim$ 4.0 mag to $Δ$I $\sim$ 3.5 mag. From the standard Period-Luminosity (PL) relations, the distance ($D$) to the object, 4.0 $\pm$ 1.3 kpc, is estimated. Applying this distance in the radiative transfer model, the spectral energy distribution (SED) are constructed from multi-wavelength photometric and IRAS-LRS spectral data which provides the luminosity, optical depth, and gas mass-loss rate (MLR) of the object to be 9600 $\pm$ 500 $L_{\odot}$, 9.1 $\pm$ 0.6 at 0.55 $μ$m and 1.0$\times$10$^{-6}$ M$_\odot$ yr$^{-1}$, respectively. The current mass of the object infers in the range 1.0 $-$ 1.5 $M_\odot$ assuming solar metallicity. Notably, the temporal variation of atomic and molecular features (e.g., TiO, Na I, Ca I, CO, H$_2$O) over the pulsation cycle of the OH/IR star illustrates the sensitivity of the spectral features to the dynamical atmosphere as observed in pulsating AGB stars.
description: 14 pages, 7 figures, 5 tables. Accepted for publication in AJ
MOESM1 of Aromatase inhibitors and risk of cardiovascular events in breast cancer patients: a systematic review and meta-analysis
Creators: name: He, Yang
name: Zhang, Jianhua
name: Shen, Guofang
name: Liu, Lin
name: Zhao, Qingwei
name: Lu, Xiaoyang
name: Yang, Hongyu
name: Hong, Dongsheng
Publisher: name: figshare
Year: 2019
Subjects: Space Science
Medicine
Molecular Biology
Biological Sciences not elsewhere classified
Information Systems not elsewhere classified
Cancer

description: Additional file 1; Figure S1. Forest plot for meta-analysis of incidence of High-grade CVEs with patients assigned AIs.
Hierarchical Onsager symmetries in adiabatically driven linear irreversible heat engines
Creators: name: Izumida, Yuki
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In existing linear response theories for adiabatically driven cyclic heat engines, Onsager symmetry is identified only phenomenologically, and a relation between global and local Onsager coefficients, defined over one cycle and at any instant of a cycle, respectively, is not derived. To address this limitation, we develop a linear response theory for the speed of adiabatically changing parameters and temperature differences in generic Gaussian heat engines obeying Fokker--Planck dynamics. We establish a hierarchical relationship between the global linear response relations, defined over one cycle of the heat engines, and the local ones, defined at any instant of the cycle. This yields a detailed expression for the global Onsager coefficients in terms of the local Onsager coefficients. Moreover, we derive an efficiency bound, which is tighter than the Carnot bound, for adiabatically driven linear irreversible heat engines based on the detailed global Onsager coefficients. Finally, we demonstrate the application of the theory using the simplest stochastic Brownian heat engine model.
description: 8 pages (main text and supplemental material)
Self-Induced Fractional Fourier Transform and Revivable Higher Order Spatial Solitons in Strongly Nonlocal Nonlinear Media
Creators: name: Lu, Daquan
name: Hu, Wei
name: zheng, Yajian
name: liang, Yanbin
name: Cao, Longgui
name: Lan, Sheng
name: Guo, Qi
Publisher: name: arXiv
Year: 2008
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The fractional Fourier transform (FRFT) naturally exists in the strongly nonlocal nonlinear (SNN) media and the propagation of optical beams in SNN media can be simply regarded as a self-induced FRFT. Through FRFT technic the evolution of fields in SNN media can be conveniently dealt with and an arbitrary square-integrable input field presents generally as a revivable higher order spatial soliton which reconstructs its profile periodically after every 4 times of Fourier transforms. The self-induced FRFT would illuminate the prospect of the SNN media in new applications such as continuously tunable nonlinearity-induced FRFT devices.
description: Published in Phys. Rev. A
Projective measurements under qubit quantum channels
Creators: name: Naikoo, Javid
name: Banerjee, Subhashish
name: Pan, A. K.
name: Ghosh, Sibasish
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The action of qubit channels on projective measurements on a qubit state is used to establish an equivalence between channels and properties of generalized measurements characterized by bias and sharpness parameters. This can be interpreted as shifting the description of measurement dynamics from the Schrodinger to the Heisenberg picture. In particular, unital quantum channels are shown to induce unbiased measurements. The Markovian channels are found to be equivalent to measurements for which sharpness is a monotonically decreasing function of time. These results are illustrated by considering various noise channels. Further, the effect of bias and sharpness parameters on the energy cost of a measurement and its interplay with non-Markovianity of dynamics is also discussed
Spectrum in the broken phase of a $λϕ^4$ theory
Creators: name: Frasca, Marco
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We derive the spectrum in the broken phase of a $λϕ^4$ theory, in the limit $λ\to\infty$, showing that this goes as even integers of a renormalized mass in agreement with recent lattice computations.
description: 4 pages, 1 figure. Accepted for publication in International Journal of Modern Physics A
Overscreened Kondo problem with large spin and large number of orbital channels: Two distinct semiclassical limits in quantum transport observables
Creators: name: Karki, D. B.
name: Kiselev, Mikhail N.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the quantum transport through Kondo impurity assuming both a large number of orbital channels $\mathcal K$$\gg $$1$ for the itinerant electrons and a semi-classical spin ${\cal S}$ $\gg $ $1$ for the impurity. The non-Fermi liquid regime of the Kondo problem is achieved in the overscreened sector $\mathcal K>2\mathcal{S}$. We show that there exist two distinct semiclassical regimes for the quantum transport through impurity: i) $\mathcal K$ $\gg$ $\mathcal S$ $\gg$ $1$, differential conductance vanishes and ii) $\mathcal S$$/$$\mathcal K{=}\mathcal C$ with $ 0$$
description: 4 pages, Published version (PRB, Letter)
Dynamical Adjustment of Propagators in Renormalization Group Flows
Creators: name: Salmhofer, Manfred
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A class of continuous renormalization group flows with a dynamical adjustment of the propagator is introduced and studied theoretically for fermionic and bosonic quantum field theories. The adjustment allows to include self--energy effects nontrivially in the denominator of the propagator and to adapt the scale decomposition to a moving singularity, and hence to define flows of Fermi surfaces in a natural way. These flows require no counterterms, but the counterterms used in earlier treatments can be constructed using them. The influence of propagator adjustment on the strong--coupling behaviour of flows is examined for a simple example, and some conclusions about the strong coupling behaviour of renormalization group flows are drawn.
description: LaTeX, 54 pages, 3 postscript figures
Encoding and Decoding Construction D' Lattices for Power-Constrained Communications
Creators: name: Zhou, Fan
name: Fitri, Arini
name: Anwar, Khoirul
name: Kurkoski, Brian M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences

description: This paper focuses on the encoding and decoding of Construction D' coding lattices that can be used with shaping lattices for power-constrained channels. Two encoding methods and a decoding algorithm for Construction D' lattices are given. A design of quasi-cyclic low-density parity-check (QC-LDPC) codes to form Construction D' lattices is presented. This allows construction of nested lattice codes which are good for coding, good for shaping, and have low complexity encoding and decoding. Numerical results of using $E_8$, $BW_{16}$ and Leech lattices for shaping a Construction D' lattice indicate that the shaping gains 0.65 dB, 0.86 dB and 1.03 dB are preserved, respectively.
Scattering solutions in a network of thin fibers: small diameter asymptotics
Creators: name: Molchanov, S.
name: Vainberg, B.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 35P25, 35J05, 35J10, 35Q60

description: Small diameter asymptotics is obtained for scattering solutions in a network of thin fibers. The asymptotics is expressed in terms of solutions of related problems on the limiting quantum graph. We calculate the Lagrangian gluing conditions at vertices for the problems on the limiting graph. If the frequency of the incident wave is above the bottom of the absolutely continuous spectrum, the gluing conditions are formulated in terms of the scattering data for each individual junction of the network.
Fractional diffusion in periodic potentials
Creators: name: Heinsalu, E.
name: Patriarca, M.
name: Goychuk, I.
name: Hanggi, P.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Fractional, anomalous diffusion in space-periodic potentials is investigated. The analytical solution for the effective, fractional diffusion coefficient in an arbitrary periodic potential is obtained in closed form in terms of two quadratures. This theoretical result is corroborated by numerical simulations for different shapes of the periodic potential. Normal and fractional spreading processes are contrasted via their time evolution of the corresponding probability densities in state space. While there are distinct differences occurring at small evolution times, a re-scaling of time yields a mutual matching between the long-time behaviors of normal and fractional diffusion.
Questions (Adulthood)
Creators: name: Girado, Luther
name: Hammond, Jon
name: Hernandez, Betty
name: Hicks, Lucille
name: Grant, Laura
name: Turner, Julie
name: Durham, Kim
name: Everson, Merlene
Publisher: name: California Language Archive, University of California, Berkeley
Year: 2021
Subjects: subject: xaw

description: This file contains a recording of speakers being asked a variety of conversation prompts about their adult life. Topics discussed include spousal relations, marriages, descendants and their families, and chores done around the house.
On Subsystem Codes Beating the Hamming or Singleton Bound
Creators: name: Klappenecker, Andreas
name: Sarvepalli, Pradeep Kiran
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Subsystem codes are a generalization of noiseless subsystems, decoherence free subspaces, and quantum error-correcting codes. We prove a Singleton bound for GF(q)-linear subsystem codes. It follows that no subsystem code over a prime field can beat the Singleton bound. On the other hand, we show the remarkable fact that there exist impure subsystem codes beating the Hamming bound. A number of open problems concern the comparison in performance of stabilizer and subsystem codes. One of the open problems suggested by Poulin's work asks whether a subsystem code can use fewer syndrome measurements than an optimal MDS stabilizer code while encoding the same number of qudits and having the same distance. We prove that linear subsystem codes cannot offer such an improvement under complete decoding.
description: 18 pages more densely packed than classically possible