cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
The ARCONS Pipeline: Data Reduction for MKID Arrays
Creators: name: van Eyken, J. C.
name: Strader, M. J.
name: Walter, A. B.
name: Meeker, S. R.
name: Szypryt, P.
name: Stoughton, C.
name: O'Brien, K.
name: Marsden, D.
name: Rice, N. K.
name: Lin, Y.
name: Mazin, B. A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: The Array Camera for Optical to Near-IR Spectrophotometry, or ARCONS, is a camera based on Microwave Kinetic Inductance Detectors (MKIDs), a new technology that has the potential for broad application in astronomy. Using an array of MKIDs, the instrument is able to produce time-resolved imaging and low-resolution spectroscopy constructed from detections of individual photons. The arrival time and energy of each photon are recorded in a manner similar to X-ray calorimetry, but at higher photon fluxes. The technique works over a very large wavelength range, is free from fundamental read noise and dark-current limitations, and provides microsecond-level timing resolution. Since the instrument reads out all pixels continuously while exposing, there is no loss of active exposure time to readout. The technology requires a different approach to data reduction compared to conventional CCDs. We outline here the prototype data reduction pipeline developed for ARCONS, though many of the principles are also more broadly applicable to energy-resolved photon counting arrays (e.g., transition edge sensors, superconducting tunnel junctions). We describe the pipeline's current status, and the algorithms and techniques employed in taking data from the arrival of photons at the MKID array to the production of images, spectra, and time-resolved light curves.
description: 16 pages, 19 figures, pdflatex, accepted for ApJS
What Moves the German Land Market? A Decomposition of the Land Rent-Price Ratio
Creators: name: Plogmann, Jana
name: Mußhoff, Oliver
name: Odening, Martin
name: Ritter, Matthias
Publisher: name: Humboldt-Universität zu Berlin
Year: 2018
Subjects: subject: Agricultural land market
subject: rent-price ratio;
subject: Campbell-Shiller decomposition;
subject: dynamic Gordon growth model
subject: 630 Landwirtschaft und verwandte Bereiche

description: The price increases on agricultural land markets in the last decade have triggered a debate about land as an attractive investment opportunity for agricultural and nonagricultural investors. In a static environment, the rent-price ratio provides a first indicator of the profitability of an investment in land. In this paper, we apply the dynamic Gordon growth model to Western Germany and decompose the rent-price ratio into the expected present values of rental growth rates, real interest rates, and a land premium, i.e., the excess return on investment. This analysis reveals that the recent price surge on agricultural land markets was not unprecedented; second, the land market rent-price ratio is rather low compared to other markets and varies considerably among federal states; third, (expected) premia for land are mostly negative, rendering investments in farmland unprofitable for financial investors. Finally, we find that changing expected present values of returns on land investments are the major driver for land price volatility.
The Lindley paradox in optical interferometry
Creators: name: Mauri, Camillo
name: Paris, Matteo G. A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The so-called Lindley paradox is a counterintuitive statistical effect where the Bayesian and frequentist approaches to hypothesis testing give radically different answers, depending on the choice of the prior distribution. In this paper we address the occurrence of the Lindley paradox in optical interferometry and discuss its implications for high-precision measurements. In particular, we focus on phase estimation by Mach-Zehnder interferometers and show how to mitigate the conflict between the two approaches by using suitable priors.
description: 8 pages, 5 figures
MS Gr. class. c. 6 1539
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 6 col. 7 col. 8 col. 9 col. 10. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
Simplified Models for Exotic BSM Searches
Creators: name: Heisig, Jan
name: Lessa, Andre
name: Quertenmont, Loic
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Simplified models are a successful way of interpreting current LHC searches for models beyond the standard model (BSM). So far simplified models have focused on topologies featuring a missing transverse energy (MET) signature. However, in some BSM theories other, more exotic, signatures occur. If a charged particle becomes long-lived on collider time scales - as it is the case in parts of the SUSY parameter space - it leads to a very distinct signature. We present an extension of the computer package SModelS which includes simplified models for heavy stable charged particles (HSCP). As a physical application we investigate the CMSSM stau co-annihilation strip containing long-lived staus, which presents a potential solution to the Lithium problem. Applying both MET and HSCP constraints we show that, for low values of $\tanβ$, all this region of parameter space either violates Dark Matter constraints or is excluded by LHC searches.
description: 19 pages + references, 9 figures; v3: Minor corrections in the text; matches published version
School Functioning in Bipolar Spectrum Disorders: An Indirect Perspective
Creators: name: Burke, Coty W.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Bipolar Spectrum Disorders (BPSDs) are associated with cognitive and psychosocial impairment, but few studies have examined how they compare to other psychiatric disorders in academic settings. This study compared grade point average (GPA), social problems, and behavior problems in youth with BPSDs to Attention-Deficit-Hyperactivity-Disorders (ADHD) and Unipolar Depressive Disorders (UD). Participants were 311 youth, ages 5-18 (40% female), recruited from a community mental health center (n=240) and an academic medical center (n=71). Ethnic composition was 67% African American, 25% Caucasian, and 10% other. Semi-structured interviews established diagnoses. Care-givers completed questionnaires assessing their child’s problematic social and behavior tendencies, mood symptoms, and provided information about the child’s performance in school. BPSDs were a stronger predictor of worse academic performance, and a greater amount of reported social and behavior problems than UD. No significant differences were present in comparison with ADHD. Depression and (hypo)mania partially explained the effect of BPSDs on academic impairment and reported behavior problems. The specific indirect effect of (hypo)mania was the only mediator in both models, with depression suppressing the effect of BPSDs on behavior problems. Results suggest that treatments targeting (hypo)manic symptoms may improve several domains related to school functioning.
MS Gr. class. c. 6 1540
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 1 col. 2 col. 3 col. 4 col. 5. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
Elaphoglossum oophyllum Mickel, Fieldiana, Bot.
Creators: name: Kessler, Michael
name: Moran, Robbin C.
name: Mickel, John T.
name: Matos, Fernando B.
name: Smith, Alan R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Dryopteridaceae
Elaphoglossum
Elaphoglossum oophyllum

description: Elaphoglossum oophyllum Mickel, Fieldiana, Bot., n.s., 27: 150. 1991. (Fig. 22D–F)
 Range: —Local in central Peru and Bolivia (CH, LP, SC).
 Ecology: —Uncommon; saxicolous and terrestrial in semihumid forests, often on sandstone; 500–1500 m.
 Notes: —The veins are obscure or completely invisible on the abaxial blade surfaces. Specimens from the Chiquitanía (SC) are larger, with narrower, more elliptic sterile leaves, and narrower fertile leaves.
description: Published as part of Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, pp. 448-450 in Phytotaxa 353 (1) on pages 448-450, DOI: 10.11646/phytotaxa.353.1.1, http://zenodo.org/record/13706233
The ATLAS Z + MET Excess in the MSSM
Creators: name: Cahill-Rowley, M.
name: Hewett, J. L.
name: Ismail, A.
name: Rizzo, T. G.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We demonstrate that the $3σ$ excess observed by ATLAS in the Z + MET channel can be explained within the context of the MSSM. Using the freedom inherent in the pMSSM, we perform a detailed analysis of the parameter space and find a scenario that describes the excess while simultaneously complying with all other search constraints from the Run I data at 7 and 8 TeV, including the Z + MET analysis by CMS. We generate a small sample of simplified models, using promising models from our existing pMSSM sample as seeds, and study their properties. The successful region is described by the production of 1st/2nd generation squark pairs, followed by their decay into a bino-like neutralino which in turn decays into a Higgsino-like LSP triplet by emitting a Z boson, i.e., $\tilde q\to\tilde B\to\tilde h$ with $\tilde q = \tilde Q_L,\tilde u_R,$ or $\tilde d_R$. The sweet spot for the sparticle spectrum is found to have squark masses in the 500-750 GeV range, with bino masses near 350 GeV with a mass splitting of 150-200 GeV with the Higgsino LSP. If this excess holds, then this scenario predicts that a signal will be observed in the 0l + jets and/or 1l + jets searches in the early operations of Run II.
description: 20 pages, 11 figures
Aunts and Their Likenesses
Creators: name: Bryan, Sarah-Kathryn
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Includes: When It Happens Our Limbs Will Be Cool. She Will Lie On Top of Me And I Will Strain My Neck To Get At Her.; Sufficient Conditions I; Cups designed like little hands; Lois Ann; Thornless Common Honeylocust; We Have Nothing to Fear But Your Fears; When I did not say love; Ghosts I: Montage; Why I Did Not Tell You I Had Been Raped the Previous Autumn; A Shot; Sufficient Conditions II; For You, D.P.; I Wish I Weren’t Alive In This Decade; Where Credit Is Due; Take the J Bus. You May Keep It.; Ghosts II: Evidence; A Bad Influence; Night After a Funeral; Sufficient Conditions III; Buddy Sonnet; The Skin Permits; Ghosts III: Erotica; In the Second Language of her Thought; I Am Happy –It Is My Birthday; Robbing the Grave of A Single Bone; In the First Language of Your Thought; Blind old age; Sufficient Conditions IV; Twice; Apologetic; Get to Work; Jocasta; Surface Tension; Lyric and Arrangement; Nag; The Librariantiphon; I Wanted to Make You a Necklace; Husband; Sufficient Conditions V; Attachment Theory; Words, Deeds
Radiation Protection in Dentistry: Fundamental Concepts and Practical Approach
Creators: name: Sinpitaksakul, Phonkit
Publisher: name: The Dental Association of Thailand
Year: 2018
Subjects: subject: Dentistry
subject: FOS: Clinical medicine
subject: Radiation protection
subject: Radiology

description: Journal of The Dental Association of Thailand, 68, 4, 309-317
Understanding the central kinematics of globular clusters with simulated integrated-light IFU observations
Creators: name: Bianchini, Paolo
name: Norris, Mark A.
name: van de Ven, Glenn
name: Schinnerer, Eva
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The detection of intermediate mass black holes in the centres of globular clusters is highly controversial, as complementary observational methods often deliver significantly different results. In order to understand these discrepancies, we develop a procedure to simulate integral field unit (IFU) observations of globular clusters: Simulating IFU Star Cluster Observations (SISCO). The input of our software are realistic dynamical models of globular clusters that are then converted in a spectral data cube. We apply SISCO to Monte Carlo cluster simulations from Downing et al. (2010), with a realistic number of stars and concentrations. Using independent realisations of a given simulation we are able to quantify the stochasticity intrinsic to the problem of observing a partially resolved stellar population with integrated-light spectroscopy. We show that the luminosity-weighted IFU observations can be strongly biased by the presence of a few bright stars that introduce a scatter in the velocity dispersion measurements up to $\simeq$40% around the expected value, preventing any sound assessment of the central kinematic and a sensible interpretation of the presence/absence of an intermediate mass black hole. Moreover, we illustrate that, in our mock IFU observations, the average kinematic tracer has a mass of $\simeq$0.75 solar masses, only slightly lower than the mass of the typical stars examined in studies of resolved line-of-sight velocities of giant stars. Finally, in order to recover unbiased kinematic measurements we test different masking techniques that allow us to remove the spaxels dominated by bright stars, bringing the scatter down to a level of only a few percent. The application of SISCO will allow to investigate state-of-the-art simulations as realistic observations.
description: 13 pages, 9 figures, 1 table. Accepted for publication in MNRAS
Elaphoglossum praetrepidans M. Kessler, Bot. J. Linn. Soc.
Creators: name: Kessler, Michael
name: Moran, Robbin C.
name: Mickel, John T.
name: Matos, Fernando B.
name: Smith, Alan R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Dryopteridaceae
Elaphoglossum
Elaphoglossum praetrepidans

description: Elaphoglossum praetrepidans M.Kessler, Bot. J. Linn. Soc. 157(2): 165. 2008. (Fig. 1F–L)
 Range: — Endemic to Bolivia (BE); known only from the type collection.
 Ecology: —Rare; probably epiphytic in humid forests; 250 m.
 Notes: —Considered a member of sect. Lepidoglossa in the original description (Kessler 2008), but more likely to belong to sect. Elaphoglossum.
description: Published as part of Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, pp. 448-450 in Phytotaxa 353 (1) on pages 448-450, DOI: 10.11646/phytotaxa.353.1.1, http://zenodo.org/record/13706233
MS Gr. class. c. 6 1541
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 1 col. 2 col. 3 col. 4 col. 5. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
The Good, the Bad, and the Evil: The nonlinear relationship between act and character judgments
Creators: name: Schrickx, Hanne
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: People may assume that immoral act severity and judgments of character have a one-to-one,
linear relationship; that is, as people’s perception of the severity of an immoral act increases,
character judgments about the person performing the act become equally worse. However,
evidence suggests that character judgments might be more categorical or discrete. We examine
the relationship between act severity and character judgments in 3 studies—one correlational
study, in which participants rated act severity and character for 19 different immoral act
scenarios; one experimental study, in which participants rated act severity and character for act
scenarios with 5 levels of severity; and a final experimental study, in which participants
predicted an individual’s future actions, across different severity levels, based on that
individual’s past action. Results suggest that character judgments are overall more discrete than
judgments of act severity; in particular, we find evidence suggesting that evil is a distinct
category of character. These findings improve our understanding of moral impression formation
and suggest that judgments of blame, punishment, and likelihood of recidivism may vary
depending on whether act or character is emphasized.
Tarski-type problems for free associative algebras
Creators: name: Kharlampovich, Olga
name: Myasnikov, Alexei
Publisher: name: arXiv
Year: 2015
Subjects: subject: Logic (math.LO)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 16B70

description: In this paper we study fundamental model-theoretic questions for free associative algebras, namely, first-order classification, decidability of the first-order theory, and definability of the set of free bases. We show that two free associative algebras of finite rank over fields are elementarily equivalent if and only if their ranks are the same and the fields are equivalent in the weak second order logic. In particular, two free associative algebras of finite rank over the same field are elementarily equivalent if and only if they are isomorphic. We prove that if an arbitrary ring $B$ with at least one Noetherian proper centralizer is first-order equivalent to a free associative algebra of finite rank over an infinite field then $B$ is also a free associative algebra of finite rank over a field. This solves the elementary classification problem for free associative algebras in a wide class of rings. Finally, we present a formula of the ring language which defines the set of free bases in a free associative algebra of finite rank.
Long-baseline optical intensity interferometry: Laboratory demonstration of diffraction-limited imaging
Creators: name: Dravins, Dainis
name: Lagadec, Tiphaine
name: Nuñez, Paul D.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: A long-held vision has been to realize diffraction-limited optical aperture synthesis over kilometer baselines. This will enable imaging of stellar surfaces and their environments, and reveal interacting gas flows in binary systems. An opportunity is now opening up with the large telescope arrays primarily erected for measuring Cherenkov light in air induced by gamma rays. With suitable software, such telescopes could be electronically connected and also used for intensity interferometry. Second-order spatial coherence of light is obtained by cross correlating intensity fluctuations measured in different pairs of telescopes. With no optical links between them, the error budget is set by the electronic time resolution of a few nanoseconds. Corresponding light-travel distances are approximately one meter, making the method practically immune to atmospheric turbulence or optical imperfections, permitting both very long baselines and observing at short optical wavelengths. Previous theoretical modeling has shown that full images should be possible to retrieve from observations with such telescope arrays. This project aims at verifying diffraction-limited imaging experimentally with groups of detached and independent optical telescopes. In a large optics laboratory, artificial stars were observed by an array of small telescopes. Using high-speed photon-counting solid-state detectors, intensity fluctuations were cross-correlated over up to 180 baselines between pairs of telescopes, producing coherence maps across the interferometric Fourier-transform plane. These measurements were used to extract parameters about the simulated stars, and to reconstruct their two-dimensional images. As far as we are aware, these are the first diffraction-limited images obtained from an optical array only linked by electronic software, with no optical connections between the telescopes.
description: 13 pages, 9 figures, Astronomy & Astrophysics, in press. arXiv admin note: substantial text overlap with arXiv:1407.5993
United States of Cosplay: Interactions Based on Narratives of Authenticity and Community
Creators: name: Grant, Laura
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: There are few occasions in the United States when wearing a costume is not only
acceptable but expected. Halloween presents one opportunity, but it only comes once a year. The
unique atmosphere and traditions of anime conventions present another opportunity for dressing
in costume, which enthusiasts around the world have embraced. The practice of dressing up as a
character is called cosplay and is intricately tied to fandom, especially fandoms based on
animated series. In this thesis, I consider cosplayers, or those who engage in cosplay, in the
United States as a community of practice and a community of taste. I will also discuss the
standards of the cosplay community in the United States, such as the value of dedicated work,
and consider how cosplay communities function on multiple narrative levels.
Revisiting the Fermi Surface in Density Functional Theory
Creators: name: Das, Mukunda P.
name: Green, Frederick
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The Fermi surface is an abstract object in the reciprocal space of a crystal lattice, enclosing the set of all those electronic band states that are filled according to the Pauli principle. Its topology is dictated by the underlying lattice structure and its volume is the carrier density in the material. The Fermi surface is central to predictions of thermal, electrical, magnetic, optical and superconducting properties in metallic systems. Density functional theory is a first-principles method used to estimate the occupied-band energies and, in particular, the iso-energetic Fermi surface. In this review we survey several key facts about Fermi surfaces in complex systems, where a proper theoretical understanding is still lacking. We address some critical difficulties.
description: Invited talk at 3rd International Workshop on Theoretical and Computational Physics (IWTCP-3), Da Lat, July 2015. To appear in IOP Proceedings. 160328: corrected eqn in subsec 3.1.(d)
Elaphoglossum productum Rosenst., Repert. 2018, Spec. Nov.
Creators: name: Kessler, Michael
name: Moran, Robbin C.
name: Mickel, John T.
name: Matos, Fernando B.
name: Smith, Alan R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Dryopteridaceae
Elaphoglossum
Elaphoglossum productum

description: Elaphoglossum productum Rosenst., Repert. Spec. Nov. Regni Veg. 6: 315. 1909. (Fig. 48E–H)
 Range: —Venezuelan tepuis; Andes of Venezuela, Colombia, Ecuador, and Bolivia (BE, CO, LP); to be expected in Peru.
 Ecology: —Uncommon; epiphytic in humid forests; (300–) 700–1750 m.
 Notes: —The rhizomes are more compact and the rhizome scales are longer and paler than in E. buchtienii or E. dolichopus. The divided blade scales are reminiscent of those of E. glaucescens and E. subarborescens, but these have brown blade scales and narrower leaves with relatively longer petioles. Specimens of E. productum from lower elevations (300–450 m) have thinner blade texture, longer petioles, and shorter rhizome scales, and may represent a distinct species.
description: Published as part of Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, pp. 448-450 in Phytotaxa 353 (1) on pages 448-450, DOI: 10.11646/phytotaxa.353.1.1, http://zenodo.org/record/13706233
Opaque Intentions: U.S. Diplomacy and Covert Action in Indonesia, 1945-1958
Creators: name: Zimmerman, Anna
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2018

description: In his classic work The Tragedy of American Diplomacy, William Appleman Williams
argued that above all, American foreign policy in the Cold War and beyond was characterized by
a “continuing, even increasing disparity between the actuality and the rhetoric.”1 Acting on these
disparities and contradictory truths would ultimately lead to turmoil and crisis, the purported
struggle between good and evil ending in tragic waste and a lack of poetic justice of any kind. In
literature, these are the fundamental elements of great tragedies. In American history, this is the
story of the United States and Indonesia.
U.S. foreign policy towards Indonesia during the Truman and Eisenhower presidencies
was formulated upon the basis of several inconsistencies in ideology and priorities. From 1945-
1958, these inconsistencies played out in an especially tragic fashion, leading to covert
intervention, civil war, violence, and international uproar. While many historians credit anticommunism
as the primary informant of U.S.-Indonesia relations during the Truman and
Eisenhower presidencies, pragmatic concerns played equal—if not greater—roles in determining
the United States’ position on the newly independent Southeast Asian nation. Colonialism,
economic concerns, international reputation, and a need for political alignment shaped the initial
diplomatic initiatives of the Truman administration and would later serve as the justification for
an extensive yet frequently overlooked covert war conducted by the CIA during the Eisenhower
years. Although the official narrative expounded an ideological love of democratic liberty,
conflicting and paradoxical diplomatic aims led to the use of covert action as a way to achieve
objectives that were largely unrelated to a conceptual opposition to communist governance. In
this American drama, the disparity between rhetoric and reality had disastrous effects.
Scaling of the Holographic AC conductivity for non-Fermi liquids at criticality
Creators: name: Kiritsis, Elias
name: Peña-Benitez, Francisco
Publisher: name: arXiv
Year: 2015
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Superconductivity (cond-mat.supr-con)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The frequency dependence of the AC conductivity is studied in a holographic model of a non-fermi liquid that is amenable to both analytical and numerical computation. In the regime that dissipation dominates the DC conductivity, the AC conductivity is described well in the IR by a Drude peak despite the absence of quasiparticles. In the regime where pair-production-like processes dominate the conductivity there is no Drude peak. A scaling tail is found for the AC conductivity that is independent of the charge density and momentum dissipation. Evidence is given that this scaling tail $σ_{AC}\sim ω^m$ appears generically in quantum critical holographic systems and the associated scaling exponent $m$ is calculated in terms of the Lifshitz and conduction critical exponents.
description: 66 pages, 14 figures and 2 tables
Order-by-disorder near criticality in $XY$ pyrochlore magnets
Creators: name: Javanparast, Behnam
name: Day, Alexander G. R.
name: Hao, Zhihao
name: Gingras, Michel J. P.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We consider a system of spins on the sites of a three-dimensional pyrochlore lattice of corner-sharing tetrahedra interacting with a predominant effective $xy$ exchange. In particular, we investigate the selection of a long-range ordered state with broken discrete symmetry induced by thermal fluctuations near the critical region. At the standard mean-field theory (s-MFT) level, in a region of the parameter space of this Hamiltonian that we refer to as $Γ_5$ region, the ordered state possesses an accidental $U(1)$ degeneracy. In this paper, we show that fluctuations beyond s-MFT lift this degeneracy by selecting one of two states (so-called $ψ_2$ and $ψ_3$) from the degenerate manifold, thus exposing a certain form of order-by-disorder (ObD). We analytically explore this selection at the microscopic level and close to criticality by elaborating upon and using an extension of the so-called TAP method, originally developed by Thouless, Anderson and Palmer to study the effect of fluctuations in spin glasses. We also use a single-tetrahedron cluster-mean-field theory (c-MFT) to explore over what minimal length scale fluctuations can lift the degeneracy. We find the phase diagrams obtained by these two methods to be somewhat different since c-MFT only includes the shortest-range fluctuations. General symmetry arguments used to construct a Ginzburg-Landau theory to lowest order in the order parameters predict that a weak magnetic moment, $m_z$, along the local $\langle 111 \rangle$ (${\hat z}$) direction is generically induced for a system ordering into a $ψ_2$ state, but not so for $ψ_3$ ordering. Both E-TAP and c-MFT calculations confirm this weak fluctuation-induced $m_z$ moment. Using a Ginzburg-Landau theory, we discuss the phenomenology of multiple phase transitions below the paramagnetic phase transition and within the $Γ_5$ long-range ordered phase.
description: 17 pages, 8 figures. ArXiv version essentially identical to the version published in Physical Review B
MS Gr. class. c. 6 1542
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 6 col. 7 col. 8 col. 9 col. 10. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
LEO satellites: "photobombing astronomy images"
Creators: name: Longa-Peña, P.
name: Hinse, T. C.
name: Tregloan-Reed, J.
name: Unda-Sanzana, E.
Publisher: name: Zenodo
Year: 2023
Subjects: LEOs
satellite
SpaceX starlink
Amazon oneweb
satellite communication
photometry

description: Scientific poster that highlights the problem with low earth orbit (LEO) satellites and their photometric reflective properties.
Elaphoglossum pteropus C. Chr., Index Fil.
Creators: name: Kessler, Michael
name: Moran, Robbin C.
name: Mickel, John T.
name: Matos, Fernando B.
name: Smith, Alan R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Dryopteridaceae
Elaphoglossum
Elaphoglossum pteropus

description: Elaphoglossum pteropus C.Chr., Index Fil. 314. 1905. (Fig. 1D–E)
 Range: —Greater Antilles; Venezuela and Guianas; Bolivia (SC).
 Ecology: —Rare; epiphytic in semihumid forests on sandstone; to 1200 m.
 Notes: —It is uncertain if the sole Bolivian specimen is conspecific with those from northern South America.
description: Published as part of Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, pp. 448-450 in Phytotaxa 353 (1) on pages 448-450, DOI: 10.11646/phytotaxa.353.1.1, http://zenodo.org/record/13706233
New approach to nonrelativistic diffeomorphism invariance and its applications
Creators: name: Banerjee, Rabin
name: Mukherjee, Pradip
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A comprehensive account of a new structured algorithm for obtaining nonrelativistic diffeomorphism invariances in both space and spacetime by gauging the Galilean symmetry in a generic nonrelativistic field theoretical model is provided. Various applications like the obtention of nonrelativistic diffeomorphism invariance, the introduction of Chern-Simons term and its role in fractional quantum Hall effect, induction of diffeomorphism in irrotational fluid model, abstraction of Newton-Cartan geometry and the emergence of Horava-Lifshitz gravity are discussed in details.
description: 47 pages, no figures; expanded version, 49 pages, connection with other approaches elaborated, To appear in Phys. Rev. D
Behind the Blog: The Connection Between Online Social Media Personas and Reader Perspectives
Creators: name: Lu, Wendy
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Our means of online communication have shifted over the decades—from email to instant messaging to social media networks, particularly weblogs (commonly known as blogs). There are various reasons why people are motivated to blog, including life documentation, personal commentary and the desire for human connectivity. This research project explores how individuals living in Western countries who follow unique – or “unconventional” – lifestyles use online blogs to develop their social media personas and share their lifestyles with other people (their followers/readers), and the perceptions that their readers have of these blogs and lifestyles. Using the concepts of co-orientation and grounded theory, I conducted a blog analysis of three different blogs and examined the relationships between bloggers and their readers, and how influential the blogs were in changing the readers’ perceptions of the bloggers’ lifestyles. The bloggers include a traveler-entrepreneur, a writer who quit his day job to be a full-time blogger and professional speaker, and an individual with a physical disability, respectively. Reader comments were mostly positive; overall, the bloggers had a positive effect on the readers’ perceptions of them and even influenced some readers to explore the same lifestyles. Future research should focus more on relationships between individual bloggers and readers rather than overall trends and interaction patterns.
Additive actions on toric varieties
Creators: name: Arzhantsev, Ivan
name: Romaskevich, Elena
Publisher: name: arXiv
Year: 2015
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: Primary 14L30, 14M25, Secondary 13N15, 14J50, 14M17

description: By an additive action on an algebraic variety $X$ of dimension $n$ we mean a regular action $\mathbb{G}_a^n \times X \to X$ with an open orbit of the commutative unipotent group $\mathbb{G}_a^n$. We prove that if a complete toric variety $X$ admits an additive action, then it admits an additive action normalized by the acting torus. Normalized additive actions on a toric variety $X$ are in bijection with complete collections of Demazure roots of the fan of $X$. Moreover, any two normalized additive actions on $X$ are isomorphic.
description: 14 pages. arXiv admin note: text overlap with arXiv:1104.0560 by other authors
Globular Cluster Mass Loss in the Context of Multiple Populations
Creators: name: Bastian, Nate
name: Lardo, Carmela
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Many scenarios for the origin of the chemical anomalies observed in globular clusters (GCs; i.e., multiple populations) require that GCs were much more massive at birth, up to $10-100\times$, than they are presently. This is invoked in order to have enough material processed through first generation stars in order to form the observed numbers of enriched stars (inferred to be second generation stars in these models). If such mass loss was due to tidal stripping, gas expulsion, or tidal interaction with the birth environment, there should be clear correlations between the fraction of enriched stars and other cluster properties, whereas the observations show a remarkably uniform enriched fraction of $0.68\pm0.07$ (from 33 observed GCs). If interpreted in the heavy mass loss paradigm, this means that all GCs lost the same fraction of their initial mass (between $95-98$\%), regardless of their mass, metallicity, location at birth or subsequent migration, or epoch of formation. This is incompatible with predictions, hence we suggest that GCs were not significantly more massive at birth, and that the fraction of enriched to primordial stars observed in clusters today likely reflects their initial value. If true, this would rule out self-enrichment through nucleosynthesis as a viable solution to the multiple population phenomenon.
description: 9 pages, 1 figure, accepted for publication in MNRAS
MS Gr. class. c. 6 1543
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 14. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
Elaphoglossum subarborescens Rosenst., Repert. 2018, Spec. Nov.
Creators: name: Kessler, Michael
name: Moran, Robbin C.
name: Mickel, John T.
name: Matos, Fernando B.
name: Smith, Alan R.
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Dryopteridaceae
Elaphoglossum
Elaphoglossum subarborescens

description: Elaphoglossum subarborescens Rosenst., Repert. Spec. Nov. Regni Veg. 4: 295. 1907. (Fig. 46D–E)
 Range: —Southeastern Brazil; Bolivia (LP); range uncertain due to the taxonomic difficulty of the group.
 Ecology: —Rare; epiphytic in humid forests; 2250–2300 m.
 Notes: —It is uncertain if the Bolivian specimens are conspecific with those from southeastern Brazil.
description: Published as part of Kessler, Michael, Moran, Robbin C., Mickel, John T., Matos, Fernando B. & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. XXXV. Dryopteridaceae, pp. 448-450 in Phytotaxa 353 (1) on pages 448-450, DOI: 10.11646/phytotaxa.353.1.1, http://zenodo.org/record/13706233
Uniformly speaking : how rhetoric and clothing addresses materiality at work
Creators: name: O'Connor, Erin Ann
Publisher: name: The University of Texas at Austin
Year: 2022
Subjects: Rhetoric
Clothing
Materiality
Uniforms
Uniformity

description: The question guiding this dissertation is: what do we manage with uniformity of clothing? More specifically, how does uniformity of clothing (including actual uniforms) manage our sensing, feeling bodies, our sense of self (subjectivity), and social interaction (intersubjectivity)? Through theory, method, and analysis, my work here collapses dualities of mind and matter, object and subject, body and clothing, not merely as an intellectual exercise but as a development of a potential site of negotiating ethical action. I examine fast food worker uniforms at three restaurants and contrast those to various forms of self-adopted uniformity of dress. The analyses conducted in both case studies highlight the power of style as a experience of materiality of thinking.
MS Gr. class. c. 6 1544
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 13. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
Large scale UDP-N-trifluoroacetyl glucosamine (UDP-GlcNTFA) synthesis
Creators: name: Jing, Juliana
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2015

description: Our lab's focus is on synthesizing a novel anticoagulant drug that requires a 10 to 12-step chcmoenzymatic synthesis of sulfated polysaccharides. The achievement of this process could potentially lead to a shorter synthesis of ultralow molecular weight heparins, which can be more cost-effective for patients. UDP-GlcNTFA is one of the key substrates used for this synthesis. Its synthesis originally involves a 2-step process that was recently modified to a 3-step process. While small-scale synthesis was accomplished, the large-scale synthesis has not been tested and completed. The goal of this sub-project was to express a large­scale synthesis of UDP-GlcNTF A for higher efficiency while maintaining high purity. The accumulated total attempted for this sub-project is aimed for a gram­sized amount.
The main products used for large-scale synthesis include NAHK enzyme, glucosamine, phosphate, S-ethyltriflurothioacetate, TEA, GlmU, and UTP. After synthesis of UDP-GLcNTF A was gradually scaled up, the product was analyzed by HPLC.
The scale up from the original protocol by a factor of up to approximately 100 led to good results. Most peaks found from HPLC were mainly UDP-
GlcNTF A and ADP. Small peaks were initially found for ATP and UTP, which led to modifications in the protocol. Afterwards, minimal peaks were found for ATP and UTP, which were sought after since it indicated that synthesis was overall completed.
The large-scale synthesis of UDP-GlcNTF A looks promising and is a good avenue for further upscaling.
Addressing the intensity of rehabilitation evidence-practice gap: rapid review, stakeholder perspectives and recommendations for upper limb rehabilitation after acquired brain injury
Creators: name: Lannin, Natasha
name: Pellegrini, Michael
name: Smith, Madeleine J
name: Jolliffe, Laura
name: Morris, Meg
name: Initiative, Translating Research into Practice Upper Limb Stroke Rehabilitation Research
Publisher: name: La Trobe
Year: 2024
Subjects: classificationCode: 42
subject: Health sciences
subject: FOS: Health sciences
classificationCode: 4203
subject: Health services and systems
classificationCode: 4201
subject: Allied health and rehabilitation science

description: Background/Aims: For people living with acquired brain injury from stroke or trauma, clinical practice guidelines recommend high-intensity physical rehabilitation to optimise motor outcomes. There is an acknowledged evidence–practice gap between routine clinical practice and the amount, intensity and type of active upper limb rehabilitation recommended in research-informed guidelines. The aims of this study were to identify methods used to facilitate high doses of upper limb practice in published trials, understand stakeholder perspectives of the barriers and enablers to these methods in hospital settings, and to synthesise findings to form an evidence-based action plan for rehabilitation professionals, service providers and adults living with an acquired brain injury. Methods: A rapid systematic literature review and a series of qualitative interviews with service users and rehabilitation clinicians explored the evidence on intensity and the experience of high intensity rehabilitation following brain injury and stroke. Triangulating this mixed method evidence, recommendations were generated on how to increase upper limb rehabilitation intensity during inpatient therapy. Results: There was consensus in the literature that high-dose motor training improves a person's ability to move their hand and arm after brain injury and stroke. Trials mostly delivered therapy programmes as a replacement to usual care; however, it was unclear how high-intensity therapy was integrated into usual rehabilitation. Methods employed to increase the intensity of upper limb rehabilitation included strategies to optimise engagement (eg encourage independent practice and more practice); clinician-related processes (eg self-auditing, use of groups); environmental factors (eg equipment, dedicated space); and organisational influences (eg professional development, dedicated research positions and mentoring). Qualitative data showed that barriers and facilitators stem from service user factors (eg cognitive ability, advanced age, cultural mores) as well as clinician factors (eg quality of the therapeutic relationship, type and quality of therapist instructions). Organisational factors such as a strong research culture and a commitment to evidence-based practice positively influenced outcomes. Conclusions: There is capacity to increase the intensity of upper limb rehabilitation by optimising organisational support and systems, as well as greater service user engagement in therapy processes.
MS Gr. class. c. 6 1545
Creators: name: Oxyrhynchus Papyri
Publisher: name: University of Oxford
Year: 2023
Subjects: classificationCode: 470316
subject: Latin and classical Greek languages

description: P.Herc. 1675 col. 12. Philodemus, De vitiis (De adulatione)
Drawing by G.B. Malesci
Towards a spectroscopically accurate set of potentials for heavy hydride laser cooling candidates: effective core potential calculations of BaH
Creators: name: Moore, Keith
name: McLaughlin, Brendan M.
name: Lane, Ian C.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Chemical Physics (physics.chem-ph)
subject: FOS: Physical sciences

description: BaH (and its isotopomers) is an attractive molecular candidate for laser cooling to ultracold temperatures and a potential precursor for the production of ultracold gases of hydrogen and deuterium. The theoretical challenge is to simulate the laser cooling cycle as reliably as possible and this paper addresses the generation of a highly accurate ab initio $^{2}Σ^+$ potential for such studies. The performance of various basis sets within the multi-reference configuration-interaction (MRCI) approximation with the Davidson correction (MRCI+Q) is tested and taken to the complete basis set limit. It is shown that the calculated molecular constants using a 46 electron Effective Core-Potential (ECP), the augmented polarized core-valence quintuplet basis set (aug-pCV5Z-PP) but only including three active electrons in the MRCI calculation are in close agreement with the available experimental values. The predicted dissociation energy D$_e$ for the X$^2Σ^+$ state (extrapolated to the complete basis set (CBS) limit) is 16895.12 cm$^{-1}$ (2.094 eV), which agrees within 0.1$\%$ of a revised experimental value of $
description: 14 pages, 9 figures: final accepted version
Association Between Knee Extension Rate of Torque Development and Physical Function in a Group of Older Adults with Knee Osteoarthritis
Creators: name: Gaynor, Brian
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2016

description: Purpose: The purpose of this study is to investigate the relationship between knee extension rate of torque development and physical function among individuals with knee osteoarthritis. Methods: Twenty participants (11 female, 9 male, mean age = 63.15 ± 5.613 years) with knee osteoarthritis were enrolled in this study.  For each participant knee extension rate of torque development was obtained for three time intervals (0-50 ms, 0-100 ms, and 100-200 ms after the onset of contraction) during a maximal voluntary isometric contraction.  Self-reported physical function was measured using the WOMAC function index and the SF-12 assessment.  Physical function was also measured using three clinical tests of function: 20-meter walk, 30-second chair stand test, and a stair-climb test. Results:  A Spearman Rho test showed that there was a significant moderate negative association between knee extension rate of torque development during all three time intervals and times from the 20-meter walk test.  Rate of torque development during the first 100 ms of contraction was significantly associated with stair-climb times, displaying a moderate negative correlation.  Rate of torque development was not significantly associated with self-reported physical function or scores from the 30-second chair stand test. Conclusions:  Among individuals with knee osteoarthritis, higher rates of knee extension torque development are associated with faster walking pace.  Among this population, individuals with lower rates of torque development take longer to walk 20 meters.  Knee extension rate of torque development does not appear to be significantly associated with other measures of physical function, including self-reported assessments of function, in this population based on our limited sample.