cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Galaxy Zoo: Unwinding the Winding Problem - Observations of Spiral Bulge Prominence and Arm Pitch Angles Suggest Local Spiral Galaxies are Winding
Creators: name: Masters, Karen L.
name: Lintott, Chris J.
name: Hart, Ross E.
name: Kruk, Sandor J.
name: Smethurst, Rebecca J.
name: Casteels, Kevin
name: Keel, William C.
name: Simmons, Brooke D.
name: Stanescu, Dennis Olivan
name: Tate, Jean
name: Tomi, Satoshi
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use classifications provided by citizen scientists though Galaxy Zoo to investigate the correlation between bulge size and arm winding in spiral galaxies. Whilst the traditional spiral sequence is based on a combination of both measures, and is supposed to favour arm winding where disagreement exists, we demonstrate that, in modern usage, the spiral classifications Sa-Sd are predominantly based on bulge size, with no reference to spiral arms. Furthermore, in a volume limited sample of galaxies with both automated and visual measures of bulge prominence and spiral arm tightness, there is at best a weak correlation between the two. Galaxies with small bulges have a wide range of arm winding, while those with larger bulges favour tighter arms. This observation, interpreted as revealing a variable winding speed as a function of bulge size, may be providing evidence that the majority of spiral arms are not static density waves, but rather wind-up over time. This suggests the "winding problem" could be solved by the constant reforming of spiral arms, rather than needing a static density wave. We further observe that galaxies exhibiting strong bars tend have more loosely wound arms at a given bulge size than unbarred spirals. This observations suggests that the presence of a bar may slow the winding speed of spirals, and may also drive other processes (such as density waves) which generate spiral arms. It is remarkable that after over 170 years of observations of spiral arms in galaxies our understanding of them remains incomplete.
description: 16 pages, 8 figures, accepted for publication in MNRAS
Additional file 3: of Reproducible changes in the gut microbiome suggest a shift in microbial and host metabolism during spaceflight
Creators: name: Jiang, Peng
name: Green, Stefan
name: Chlipala, George
name: Turek, Fred
name: Vitaterna, Martha
Publisher: name: figshare
Year: 2019
Subjects: subject: Biophysics
subject: Microbiology
subject: FOS: Biological sciences
subject: Physiology
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer

description: Figure S2. Radiation-induced changes in the community structure of gut microbiome in rodents. Beta diversity analyses of the two publically available datasets were performed using PCA on ILR-transformed relative abundance data at the species level. (A) Exposure to high-LET radiation (600 MeV/n 16O) at various doses altered the community structure of the gut microbiome in mice 10 or 30 days after the exposure (n = 10 in each group) [7]. Significant effects of time (P = 0.018, PERMANOVA) and dose (P < 0.0001, PERMANOVA) were observed. (B) Exposing rats to low-LET radiation (137Cs fractionated radiation at 0.375 Gy every other day, totaling at 3 Gy) induced a shift in the gut microbiome community structure (P = 0.0029, PERMANOVA) [5]. A diet-by-radiation interaction effect was also observed (P = 0.033, PERMANOVA). Sample sizes: sham/Normal-Fe, n = 9; irradiated/Normal-Fe, n = 8; sham/High-Fe, n = 7; irradiated/High-Fe, n = 8. (PDF 2280 kb)
VLT Spectroscopy of Galaxies Lensed by Abell AC114: Implication for the Mass Model and the Study of Low-Luminosity Galaxies at High-Redshift
Creators: name: Campusano, L. E.
name: Pello, R.
name: Kneib, J. -P.
name: Borgne, J. -F. Le
name: Fort, B.
name: Ellis, R.
name: Mellier, Y.
name: Smail, I.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the first results of a spectroscopic survey of faint lensed galaxie s in the core of the galaxy cluster AC114 (z=0.312) obtained from observations w ith the FORS1 spectrograph mounted on the VLT-Antu. The galaxies were chose n in areas close to the high-z critical lines predicted by the gravitational lens model of Natarajan et al (NKSE, 1998) for this cluster, according to both lensing and photometric redshift criteria. All the target galaxies are found to correspond to background galaxies with redshifts values in the [0.7, 3.5] interval. Our spectroscopic observations confirm the predicted lensing redshifts for 3 of the multiple-image galaxies, and together with predictions of the NKSE model led to the discovery of a new 5-image configuration at redshift z=3.347. A revised NKSE model, compatible with the redshift of this new multiple-image system, was generated and employed to calculate the gravitational amplifications of all the observed galaxies. The galaxies corresponding to the multiple-image systems are found to be intrinsically fainter, between 0.5 and 1.5 magnitudes, than the limiting magnitudes of existing blank field studies. When all the observed background galaxies are considered, the resulting intrinsic absolute magnitudes range from M_B~-22 to -19. Therefore, a large gain in sensitivity towards low luminosity high-z objects can actually be obtained, in agreement with theoretical expectations. This method can be used advantageously to probe the high redshift Universe and, in particular, its application to an ensemble of massive cluster cores could constraint the faint end of luminosity function of high redshift galaxies.
description: 13 pages, Submitted to A&A
Additional file 5: of Implementation of simulation modelling to improve service planning in specialist orthopaedic and neurosurgical outpatient services
Creators: name: Moretto, Nicole
name: Comans, Tracy
name: Chang, Angela
name: OâLeary, Shaun
name: Osborne, Sonya
name: Carter, Hannah
name: Smith, David
name: Cavanagh, Tania
name: Blond, Dean
name: Maree Raymer
Publisher: name: figshare
Year: 2019
Subjects: subject: Molecular Biology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer

description: Time and costs of implementation activities, by position type, implementation strategy stage and project site. (DOCX 28 kb)
Trained network weights for the paper "Compositionally restricted attention-based network for materials property predictions (CrabNet)"
Creators: name: Wang, Anthony Yu-Tung
name: Kauwe, Steven K.
name: Murdock, Ryan J.
name: Sparks, Taylor D.
Publisher: name: Zenodo
Year: 2021
Subjects: machine learning
materials informatics
attention
self-attention
transformers
materials discovery
material screening
high-throughput screening
regression
interpretability

description: Trained network weights for the paper "Compositionally restricted attention-based network for materials property predictions (CrabNet)". Download these weights for use with the code in the repository https://github.com/anthony-wang/CrabNet. Please refer to the publication for more information:
 A. Y.-T. Wang, S. K. Kauwe, R. J. Murdock, T. D. Sparks, Compositionally restricted attention-based network for materials property predictions, https://doi.org/10.1038/s41524-021-00545-1, 2021.
Trained network weights for the paper "Compositionally restricted attention-based network for materials property predictions (CrabNet)"
Creators: name: Wang, Anthony Yu-Tung
name: Kauwe, Steven K.
name: Murdock, Ryan J.
name: Sparks, Taylor D.
Publisher: name: Zenodo
Year: 2020
Subjects: machine learning
materials informatics
attention
self-attention
transformers
materials discovery
material screening
high-throughput screening
regression
interpretability

description: Trained network weights for the paper "Compositionally restricted attention-based network for materials property predictions (CrabNet)". Download these weights for use with the code in the repository https://github.com/anthony-wang/CrabNet. NOTE: There are multiple versions of model weights uploaded. When downloading, please check that you have the latest version selected. Please refer to the publication for more information:
 A. Y.-T. Wang, S. K. Kauwe, R. J. Murdock, T. D. Sparks, Compositionally restricted attention-based network for materials property predictions, https://doi.org/10.1038/s41524-021-00545-1, 2021.
Lower semicontinuity of ADM mass under intrinsic flat convergence
Creators: name: Jauregui, Jeffrey L.
name: Lee, Dan A.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Differential Geometry (math.DG)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 53C20, 83C99, 58Z05

description: A natural question in mathematical general relativity is how the ADM mass behaves as a functional on the space of asymptotically flat 3-manifolds of nonnegative scalar curvature. In previous results, lower semicontinuity has been established by the first-named author for pointed $C^2$ convergence, and more generally by both authors for pointed $C^0$ convergence (all in the Cheeger--Gromov sense). In this paper, we show this behavior persists for the much weaker notion of pointed Sormani--Wenger intrinsic flat ($\mathcal{F}$) volume convergence, under natural hypotheses. We consider smooth manifolds converging to asymptotically flat local integral current spaces (a new definition), using Huisken's isoperimetric mass as a replacement for the ADM mass. Along the way we prove results of independent interest about convergence of subregions of $\mathcal{F}$-converging sequences of integral current spaces.
description: 42 pages, 3 figures
Gyascutus (Gyascutus) LeConte 1858
Creators: name: Nelson, G. H.
Publisher: name: Zenodo
Year: 2000
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Buprestidae
Gyascutus

description: Gyascutus (Gyascutus) LeConte, 1858b
 Gyascutus LeConte, 1858b: 34; 1860 (1859): 189; Saunders, 1871: 22; LeConte & Horn, 1883: 196 (part); Waterhouse, 1889: 171 (part); Horn, 1883: 287 (part); Kerremans, 1884: 10 (part); 1892: 55 (part); Casey, 1909: 50, 60; Obenberger, 1926: 159; Chamberlin, 1926: 203; Blackwelder, 1944: 310; Nelson & Bellamy, 1996: 899.
 Hippomelas Kerremans, 1893: 105 (part); Kerremans, 1903: 64 (part); 1908: 307 (part); Leng, 1920: 179 (part); Arnett, 1962: 486 (part); Holynski, 1993: 24 (part).
 Hippomelas (Gyascutus); Barr, 1970: 4; 1971: 57; Nelson, 1982: 445; Bellamy, 1985: 416.
 Type species: Chalcophora planicosta LeConte, by subsequent designation, Casey, 1909: 50.
Front of head ¯attened; antennae of male usually reaching posterolateral angle of pronotum when laid alongside; pronotum with raised bead along posterior margin blending with smooth midline area; inner margin of protrochanter with distinct tooth; profemur of male slightly swollen on inner margin without obsolete longitudinal carina; protibia of male arcuate, usually with row of small teeth; metatarsus with tarsomere 1 subequal in length to 2 and 3 combined and longer than 5; metathoracic wing without distinct radiomedial crossvein, cubitoanal crossvein with or without spur, 1st A vein not or but weakly connected to 2nd A vein, anal cell present.
 Due to the broad intraspeci®c variation of some of the species in the subgenus Gyascutus, some specimens will be di cult to key.
description: Published as part of Nelson, G. H., 2000, A revision of the subtribe Hippomelanina, part II: Gyascutus (Gyascutus) LeConte (Coleoptera: Buprestidae), pp. 2251-2292 in Journal of Natural History 34 (12) on page 2253, DOI: 10.1080/002229300750037893, http://zenodo.org/record/5279396
Stability of the lattice formed in first-order phase transitions to matter containing strangeness in protoneutron stars
Creators: name: Zach, J. J.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Well into the deleptonization phase of a core collapse supernova, a first-order phase transition to matter with macroscopic strangeness content is assumed to occur and lead to a structured lattice defined by negatively charged strange droplets. The lattice is shown to crystallize for expected droplet charges and separations at temperatures typically obtained during the protoneutronstar evolution. The melting curve of the lattice for small spherical droplets is presented. The one-component plasma model proves to be an adequate description for the lattice in its solid phase with deformation modes freezing out around the melting temperature. The mechanical stability against shear stresses is such that velocities predicted for convective phenomena and differential rotation during the Kelvin-Helmholtz cooling phase might prevent the crystallization of the phase transition lattice. A solid lattice might be fractured by transient convection, which could result in anisotropic neutrino transport. The melting curve of the lattice is relevant for the mechanical evolution of the protoneutronstar and therefore should be included in future hydrodynamics simulations.
description: accepted for publication in Physical Review D
Astropy Proposal for Enhancement 18: Adopt NEP 29 for CPython and Numpy Version Support (APE 18)
Creators: name: Mumford, Stuart
name: Robitaille, Thomas
Publisher: name: Zenodo
Year: 2021

description: APE 10 previously determined supported CPython versions, and provided a list up to the 4.0 release. Since APE 10 was written the wider scientific Python community have written and largely adopted NEP 29 as a policy for supported versions of both CPython and Numpy. This APE proposes that Astropy adopt this policy following other projects in the scientific ecosystem.
HAYKALTAROSHLIKNI TALABALAR DARSLARIDA SHAKLLANTIRISH, KO'NIKMA VA MALAKALARINI  OSHIRISH
Creators: name: Qodirov Bobirjon Botirjonovich Andijon davlat universiteti Pedagogika va san'atshunoslik fakulteti Tasviriy san'at va muhandislik grafikasi  kafedrasi o'qituvchisi
Publisher: name: Zenodo
Year: 2024

description: Talabalar darslarida haykaltaroshlikni shakllantirish mahorat va iste'dodni rivojlantirish uchun muhim platforma bo'lib xizmat qiladi. Ushbu maqola haykaltaroshlik ijodini ta'lim sharoitlariga integratsiyalashning metodologiyasi, natijalari va oqibatlarini o'rganadi. Bunday tadbirlarning talabalarning mahoratini egallashga, ijodiy fikrlashga va umumiy akademik o'sishga ta'sirini o'rganadi.

 Kalit so'zlar:  haykaltaroshlikni shakllantirish, talabalar darslari, mahoratni rivojlantirish, ijodiy fikrlash, ta'lim
Palmira: A Deep Deformable Network for Instance Segmentation of Dense and Uneven Layouts in Handwritten Manuscripts
Creators: name: Sharan, S P
name: Aitha, Sowmya
name: Kumar, Amandeep
name: Augustine, Aaron
name: Sarvadevabhatla, Ravi Kiran
Publisher: name: Zenodo
Year: 2021

description: Pretrained model of Boundary Preserving Mask RCNN on Indiscapes v2.
Binary Neutron Star (BNS) merger: What we learned from relativistic ejecta of GW/GRB~170817A
Creators: name: Ziaeepour, Houri
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Gravitational waves from coalescence of a Binary Neutron Star (BNS) and its accompagning short Gamma-Ray Burst GW/GRB~170817A confirmed the presumed origin of these puzzeling transients and opened up the way for relating properties of short GRBs to those of their progenitor stars and their surroundings. Here we review an extensive analysis of the prompt gamma-ray and late afterglows of this event. We show that a fraction of polar ejecta from the merger had been accelerated to ultra-relativistic speeds. This structured jet had an initial Lorentz factor of about $260$ in our direction - $\mathcal{O}(10^\circ)$ from the jet's axis - and was a few orders of magnitude less dense than in typical short GRBs. At the time of arrival to circum-burst material the ultra-relativistic jet had a close to Gaussian profile and a Lorentz factor $\gtrsim 130$ in its core. It had retained in some extent its internal collimation and coherence, but had extended laterally to create mildly relativistic lobes - a {\it cocoon}. External shocks on the far from center inhomogeneous circum-burst material and low density of colliding shells generated slow rising afterglows. The circum-burst material was somehow correlated with the merger and it is possible that it contained recently ejected material from glitching, which had resumed due to the deformation of neutron stars crust by tidal forces in the latest stages of inspiral but well before their merger. By comparing these findings with the results of relativistic MHD simulations and observed gravitational waves we conclude that progenitor neutron stars were old, had close masses and highly reduced magnetic fields. In addition, they probably had oppositely directed spins due to the encounter and gravitational interaction with other stars.
description: 30 pages; 11 figures. Invited review for special issue "Multimessenger Probes of the Universe", MDPI-Physics
Hypercalcemia as a biomarker of myeloproliferative neoplasms?
Creators: name: Langabeer, Stephen E.
Publisher: name: IfADo - Leibniz Research Centre for Working Environment and Human Factors, Dortmund
Year: 2019
Subjects: hypercalcemia
myeloproliferative neoplasms
molecular diagnostics

description: EXCLI Journal; 18:Doc777; ISSN 1611-2156
Frequently Co-cited Publications: Features and Kinetics
Creators: name: Devarakonda, Sitaram
name: Bradley, James
name: Korobskiy, Dmitriy
name: Warnow, Tandy
name: Chacko, George
Publisher: name: arXiv
Year: 2020
Subjects: subject: Digital Libraries (cs.DL)
subject: FOS: Computer and information sciences
subject: H.3.7
subject: 01A85, 01A90

description: Co-citation measurements can reveal the extent to which a concept representing a novel combination of existing ideas evolves towards a specialty. The strength of co-citation is represented by its frequency, which accumulates over time. Of interest is whether underlying features associated with the strength of co-citation can be identified. We use the proximal citation network for a given pair of articles (x, y) to compute theta, an a priori estimate of the probability of co-citation between x and y, prior to their first co-citation.Thus, low values for theta reflect pairs of articles for which co-citation is presumed less likely. We observe that co-citation frequencies are a composite of power-law and lognormal distributions, and that very high co-citation frequencies are more likely to be composed of pairs with low values of theta, reflecting the impact of a novel combination of ideas. Furthermore, we note that the occurrence of a direct citation between two members of a co-cited pair increases with co-citation frequency. Finally, we identify cases of frequently co-cited publications that accumulate co-citations after an extended period of dormancy.
Low Albedos Among Extinct Comet Candidates
Creators: name: Fernandez, Y. R.
name: Jewitt, D. C.
name: Sheppard, S. S.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present radiometric effective radii and visual geometric albedos for six asteroids in comet-like orbits. Our sample has three of the four known retrograde asteroids (1999 LE31, 2000 DG8, and 2000 HE46) and three objects ((18916) 2000 OG44, 2000 PG3, and 2000 SB1) on prograde but highly elliptical orbits. These measurements more than double the number of known albedos for asteroids with a Tisserand invariant in the cometary regime. We find that all six of our objects, and nine of the ten now known, have albedos that are as low as those of active cometary nuclei, which is consistent with their supposed evolutionary connection to that group. This albedo distribution is distinct from that of the whole near-Earth and unusual asteroid population, and the strong correlation between Tisserand invariant and albedo suggests there is a significant cometary contribution to this asteroid population.
description: 12 pages + 1 figure, AASTeX v5.0 preprint format, accepted to appear in The Astrophysical Journal (Letters)
Additional file 2: of Reproducible changes in the gut microbiome suggest a shift in microbial and host metabolism during spaceflight
Creators: name: Jiang, Peng
name: Green, Stefan
name: Chlipala, George
name: Turek, Fred
name: Vitaterna, Martha
Publisher: name: figshare
Year: 2019
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified

description: Figure S1. Receiver operating characteristic (ROC) curves showing the performance of STARMAPs using simulated data. In each panel, STARMAPs was applied to 2000 simulated pairs of datasets that either shared a set of differentially abundant species (true positives) or involved distinct sets of differentially abundant species (true negatives), and the sensitivity (true positive fraction) and specificity (1 â false positive fraction) of STARMAPs were plotted at given STARMAPs omnibus P values ranging from 0 to 1. The enlarged point on each curve indicates the sensitivity and specificity estimated at omnibus P = 0.05. Simulations were done with varying amplitudes of differential abundance [i.e., effect size in log2(FC); rows] over a range of parameters representing different scenarios (columns). These varying parameters included the sample size (N) for each group, the variance (s) of the log2(FC) applied to the second dataset of a given pair of datasets, and the proportion of species commonly found in a given pair of datasets (overlap). (PDF 2000 kb)
Soliton asymptotics of rear part of non-localized solutions of the Kadomtsev-Petviashvili equation
Creators: name: de Monvel, A. Boutet
name: Khruslov, E.
name: Kotlyarov, V.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We construct non-localized, real global solutions of the Kadomtsev-Petviashvili-I equation which vanish for $x\to-\infty$ and study their large time asymptotic behavior. We prove that such solutions eject (for $t\to\infty$) a train of curved asymptotic solitons which move behind the basic wave packet.
description: arxiv version is already official
The generalised rainbow Turán problem for cycles
Creators: name: Janzer, Barnabás
Publisher: name: arXiv
Year: 2020
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: Given an edge-coloured graph, we say that a subgraph is rainbow if all of its edges have different colours. Let $\operatorname{ex}(n,H,$rainbow-$F)$ denote the maximal number of copies of $H$ that a properly edge-coloured graph on $n$ vertices can contain if it has no rainbow subgraph isomorphic to $F$. We determine the order of magnitude of $\operatorname{ex}(n,C_s,$rainbow-$C_t)$ for all $s,t$ with $s\not =3$. In particular, we answer a question of Gerbner, Mészáros, Methuku and Palmer by showing that $\operatorname{ex}(n,C_{2k},$rainbow-$C_{2k})$ is $Θ(n^{k-1})$ if $k\geq 3$ and $Θ(n^2)$ if $k=2$. We also determine the order of magnitude of $\operatorname{ex}(n,P_\ell,$rainbow-$C_{2k})$ for all $k,\ell\geq 2$, where $P_\ell$ denotes the path with $\ell$ edges.
description: 14 pages
Additional file 3: of Interventions to prevent iatrogenic anemia: a Laboratory Medicine Best Practices systematic review
Creators: name: Whitehead, Nedra
name: Williams, Laurina
name: Sreelatha Meleth
name: Kennedy, Sara
name: Nneka Ubaka-Blackmoore
name: Geaghan, Sharon
name: Nichols, James
name: Carroll, Patrick
name: McEvoy, Michael
name: Gayken, Julie
name: Ernst, Dennis
name: Litwin, Christine
name: Epner, Paul
name: Taylor, Jennifer
name: Graber, Mark
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Pharmacology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Developmental Biology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: A-6 criteria for the strength of evidence ratings. (DOCX 13 kb)
Supplementary document for Transverse Mode Control in Quantum Enhanced Interferometers: A Review and Recommendations for a New Generation - 6793088.pdf
Creators: name: Jones, Aaron
name: Cabrita, Ricardo
name: Korobko, Mikhail
name: van Beuzekom, Martin
name: Brown, Daniel
name: Fafone, Viviana
name: van Heijningen, Joris
name: Rocchi, Alessio
name: Schiworski, Mitchell
name: Tacca, Matteo
Publisher: name: Optica Publishing Group
Year: 2024
Subjects: Lasers and Quantum Electronics

description: Supplemental Document
Additional file 2: of Interventions to prevent iatrogenic anemia: a Laboratory Medicine Best Practices systematic review
Creators: name: Whitehead, Nedra
name: Williams, Laurina
name: Sreelatha Meleth
name: Kennedy, Sara
name: Nneka Ubaka-Blackmoore
name: Geaghan, Sharon
name: Nichols, James
name: Carroll, Patrick
name: McEvoy, Michael
name: Gayken, Julie
name: Ernst, Dennis
name: Litwin, Christine
name: Epner, Paul
name: Taylor, Jennifer
name: Graber, Mark
Publisher: name: figshare
Year: 2019
Subjects: subject: Medicine
subject: Pharmacology
subject: Biotechnology
subject: Developmental Biology
subject: Science Policy
subject: 110309 Infectious Diseases
subject: FOS: Health sciences
subject: Computational Biology

description: Review protocol. (DOCX 57 kb)
Geometrical optics: Meridional and Skew Rays
Creators: name: Sparavigna, Amelia Carolina
Publisher: name: Zenodo
Year: 2021
Subjects: Optics

description: In the framework of geometrical optics, let us study meridional and skew rays, those rays that we can find in optical fibres. The study is based on the book by Keigo Iizuka, entitled Engineering Optics.
Ten Billion Years of Galaxy Evolution
Creators: name: Bergh, Sidney van den
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Observations in the Hubble Deep Fields have been used to study the evolution of galaxy morphology over time. The majority of galaxies with z < 1 are seen to be disk like, whereas most objects with z > 2 appear to be either chaotic or centrally concentrated ``blobs''. Such blobs might be the ancestral objects of ellipticals or of galaxy bulges. About 1/3 of objects with z > 2 appear to be in the process of merging. The region with 1 < z < 2 marks an important transition in the global history of star formation from a merger dominated regime at z > 2, to one at z < 1 in which most star formation takes place in galactic disks. It is speculated that the break in the Madau plot at z sim 1.5 might be related to the transition from merger-dominated star formation at z > 2 to disk-dominated star formation at at z < 1.
description: 19 pages. 1 figure. To be published in the August 2002 issue of PASP
Constraining the magnetic field in the TeV halo of Geminga with X-ray Observation
Creators: name: Liu, Ruo-Yu
name: Ge, Chong
name: Sun, Xiao-Na
name: Wang, Xiang-Yu
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Recently, the High Altitude Water Cherenkov (HAWC) collaboration reported the discovery of the TeV halo around the Geminga pulsar. The TeV emission is believed to originate from inverse Compton scattering of pulsar-injected electrons/positrons off cosmic microwave background photons. In the mean time, these electrons should inevitably radiate X-ray photons via the synchrotron radiation, providing a useful constraint on the magnetic field in the TeV halo. In this work, we analyse the data of XMM-Newton and Chandra, and obtain an upper limit for the diffuse X-ray flux in a region of $600''$ around the Geminga pulsar, which is at a level of $\lesssim 10^{-14}\rm erg\,cm^{-2}s^{-1}$. Through a numerical modelling on both the X-ray and the TeV observations assuming isotropic diffusion of injected electrons/positrons, we find the magnetic field inside the TeV halo is required to be $<1μ$G, which is significantly weaker than the typical magnetic field in the interstellar medium. The weak magnetic field together with the small diffusion coefficient inferred from HAWC's observation implies that the Bohm limit of particle diffusion may probably have been achieved in the TeV halo. We also discuss alternative possibilities for the weak X-ray emission, such as the hadronic origin of the TeV emission or a specific magnetic field topology, in which a weak magnetic field and a very small diffusion coefficient might be avoided.
description: 11 pages, 6 figures
Mereosemiotics: Five scenarios
Creators: name: Horsch, Martin Thomas
Publisher: name: Zenodo
Year: 2021
Subjects: applied ontology
process data technology
cognitive processes
computational molecular engineering
research data management

description: Borgo and Kutz recently formulated five benchmark cases for comparing foundational ontologies, which are here addressed using the ontology PIMS-II (Physicalistic Interpretation of Modelling and Simulation - Interoperability Infrastructure), an implementation of mereosemiotics.
description: This work was funded by the German Research Foundation (DFG) through the National Research Data Infrastructure for Catalysis-Related Sciences (NFDI4Cat) within the National Research Data Infrastructure (NFDI) programme of the Joint Science Conference (GWK). Discussions within the Metadata4Ing group are acknowledged. It was facilitated by activities of the Innovation Centre for Process Data Technology (Inprodat e.V.), Kaiserslautern.
H2 Formation in Low Metallicity Galaxies
Creators: name: Kamaya, Hideyuki
name: Hirashita, Hiroyuki
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: A possible formation mechanism of hydrogen molecules on a galactic scale is examined. We are interested especially in the role of hydrogen molecules for formation and evolution of primordial galaxies. Then, formation process of hydrogen molecules in a very low-metallicity galaxy (I Zw 18; the most typical metal-deficient galaxy) is studied. Adopting a recent observational result of absorption lines of hydrogen molecule in I Zw 18, we obtain the upper limit for the ionization degree in the case where hydrogen molecules can form via the H$^{-}$-process, although they are generally believed to form on the surface of dust grains. Furthermore, we present a critical ionization degree, above which H$^{-}$-process can be dominant over the formation process on the surface of grains. Interestingly, this critical ionization degree is comparable to the upper limit of the ionization degree for I Zw 18. For determination of the formation process of hydrogen molecules, future observational facilities can be useful. Thus, we examine the detectability in some wavelengths for the metal deficient galaxies. According to our estimate, near-infrared line emission of hydrogen molecule is observable in the level of 10 $μ$Jy, the free-free radio emission is in the level of mJy, and the far-infrared emission from the dust on which hydrogen molecules form can also be detected with 10-mJy level with its temperature of 16 K. The near-infrared line and the far-infrared continuum are feasible for ASTRO-F observations.
description: 12pages, no figure. PASJ (Accepted; tex-file is replaced)
Maritigrella Newman 2000, gen. nov.
Creators: name: Newman, Leslie J.
Publisher: name: Zenodo
Year: 2000
Subjects: Biodiversity
Taxonomy
Animalia
Platyhelminthes
Rhabditophora
Polycladida
Euryleptidae
Maritigrella

description: Maritigrella gen. nov.
 D iagnosis
Body elongate oval, ¯at, raised dorso-anteriorly only over the area of the pharynx, margin with deep crenulated ruƒes, especially when the animal is resting. Background usually cream-white with transverse spots or stripes. Marginal tentacles long, slender, held erect. Cerebral eyespot small, composed of two elongate clusters with about 50±100 eyes, dorsal and ventral eyes scattered between tentacles, ventral eyes more numerous. Pharynx small, muscular and tubular, directed anteriorly; mouth anterior. Gut with anastomozing branches. Gonopores close together, anterior directly behind pharynx. Male pore just immediately behind the pharynx, female pore close to male pore. Sucker prominent, well separated and posterior to female pore and anterior to body mid-line.
Vas deferens unbranched, extending posteriorly along the intestine. Penis papillae with a short, pointed, unornamented, sclerotized stylet. Seminal vesicle oblong, of equal size to the prostate or smaller; ejaculatory duct long and wide. Prostate large, oval with thick muscular walls, lining smooth. Prostatic and ejaculatory ducts join at the base of the papilla and enter the stylet more or less immediately. Male antrum deep, female antrum with well-developed cement pouch and extensive cement glands, no uterine vesicles.
 T ype species
 Maritigrella eschara sp. nov., Heron Island, southern Great Barrier Reef, Australia.
 Etymology
 Name is feminine from the Latin, mare = sea, and trigris = tiger for its distinct striped colour pattern.
 Remarks
 Faubel (1984) noted that many euryleptids have been confused with other genera or families and suggested, for example, that the euryleptid genus Prostheceraeus contains some Pseudoceros species: furthermore, Prudhoe (1985) listed about half of the described Eurylepta species as belonging in Pseudoceros. In fact, details of the reproductive anatomy for many worms are unknown so that determination of the genus cannot be reliable.
The presence of a tubular pharynx (not ruƒed) and well developed, slender marginal tentacles which are distinct and not formed by ruƒing of the anterior margin (not pseudotentacles) (®gures 1, 2) clearly di erentiate these worms from the pseudocerotids. The present state of knowledge of polyclad taxonomy and phylogeny is too limited to warrant further speculation on phylogenetic relationships.
 In comparison with most of the Euryleptidae, Maritigrella gen. nov. resembles Euryleptodes Heath and McGregor 1913 in lacking uterine vesicles; this latter genus, however, lacks marginal tentacles.
description: Published as part of Newman, Leslie J., 2000, A new genus of euryleptid ¯ atworm (Platyhelminthes, Polycladida) from the Indo-Paci ® c, pp. 191-205 in Journal of Natural History 34 on pages 192-193
Lycostomus Motschulsky 1861
Creators: name: Kusy, Dominik
name: Motyka, Michal
name: Fusek, Lukas
name: Li, Yun
name: Bocek, Matej
name: Bilkova, Renata
name: Ruskova, Michaela
name: Bocak, Ladislav
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Lycidae
Lycostomus

description: LYCOSTOMUS MOTSCHULSKY, 1861
 Lycostomus Motschulsky, 1861: 136.
 Type species: Lycus similis Hope, 1831.
 Diagnosis
 Lycostomus is similar to Lipernes in general appearance, and these genera differ in the shape of the male genitalia. Lycostomus has a very slender and long phallus with an emarginate apex and ventro-apical membranous part.
 Lipernes sp. 12, female. P, Haplolycus sp. 6, male. Q, Haplolycus sp. 1, male. R–Y, prothorax and head. R, Lipernes sp. 5; ventrally. S, Lipernes sp. 3, dorsally. T, Lipernes sp. 2, ventrally. U, Lipernes sp. 12, ventrally. V, Haplolycus sp. 1, ventrally. W, X, Haplolycus sp. 6, dorsally. Y, ditto, ventrally. Z, Lipernes sp., abdominal terminal segments, female. AA–AR, male genitalia, dorsal and lateral views. AA, AB, Lipernes sp. 1. AC, AD, Lipernes sp. 5. AE, Lipernes sp. 6. AF, Lipernes sp. 14. AG, AH, Lipernes sp. 12. AI, AJ, Lipernes perspectus Waterhouse. AK, AL, Haplolycus sp. 6. AM, AN, Haplolycus sp. 1. AO, AP, Haplolycus sp. 2. AQ, AR, Haplolycus sp. 4. Scale bars: 3 mm (A–Q), 1 mm (O–AR).
 Redescription
 Adults: Body slender. Head rostrate. Rostrum short to moderately long, often very stout. Pronotum widest at base, variable in shape. Elytra without sexual dimorphism, moderately dilated posteriorly in both sexes, with four indistinct costae in each elytron (Fig. 8A–O). Male genitalia without thorns, very slender, emarginate at apex and sometimes with membranous ventral part apically (Fig. 8P–R).
 Distribution
Eastern part of the Palaearctic region (Russian Far East, southern Siberia, Korea, China, northern Pakistan and Afghanistan), western part of the
Palaearctic region (Fig. 5A; Turkey, one sp. and Algeria, one sp.).
 Remarks
 Lycostomus is phenotypically very similar to Lipernes, and both genera occur sympatrically in southern and Southeast Asia. The genera differ only in the shape of male genitalia, and both of them need revision to solve the placement of the species earlier placed in Lycostomus.
description: Published as part of Kusy, Dominik, Motyka, Michal, Fusek, Lukas, Li, Yun, Bocek, Matej, Bilkova, Renata, Ruskova, Michaela & Bocak, Ladislav, 2021, Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae), pp. 902 in Zoological Journal of the Linnean Society 191 (3) on page 902, DOI: 10.1093/zoolinnean/zlaa055, http://zenodo.org/record/5299913
Dust-to-gas ratio and star formation history of blue compact dwarf galaxies
Creators: name: Hirashita, H.
name: Tajiri, Y. Y.
name: Kamaya, H.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: This paper investigates the origin of the observed large variety in dust-to-gas ratio among blue compact dwarf galaxies (BCDs). By applying our chemical evolution model, we find that the dust destruction can largely suppress the dust-to-gas ratio when the metallicity of a BCD reaches $12+\log{\rm (O/H)}\sim 8$, i.e., a typical metallicity level of BCDs. We also show that dust-to-gas ratio is largely varied owing to the change of dust destruction efficiency that has two effects: (i) a significant contribution of Type Ia supernovae to total supernova rate; (ii) variation of gas mass contained in a star-forming region. While mass loss from BCDs was previously thought to be the major cause for the variance of dust-to-gas ratio, we suggest that the other two effects are also important. We finally discuss the intermittent star formation history, which naturally explains the large dispersion of dust-to-gas ratio among BCDs.
description: 7 pages LaTeX, to appear in A&A
Celiasis Laporte 1840
Creators: name: Kusy, Dominik
name: Motyka, Michal
name: Fusek, Lukas
name: Li, Yun
name: Bocek, Matej
name: Bilkova, Renata
name: Ruskova, Michaela
name: Bocak, Ladislav
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Lycidae
Celiasis

description: Celiasis Laporte, 1840: 263.
 Type species: Lycus mirabilis Laporte, 1840. Remarks
 The genus name Celiasis has not been used except in old literature and catalogues (Bourgeois, 1883; Kleine, 1933; Blackwelder, 1945). This genus was proposed in a short note attached to the description of Lycus mirabilis Laporte, 1840 from Columbia. Laporte (1840) characterized it as an insect with a triangular head terminating in a point, an almost rectangular pronotum and dilated, convex elytra. The original specimen was in Laporte’s collection destroyed in 1843 (Evenhuis, 2012), and we do not have access to any Columbian species resembling Celiasis mirabilis Laporte, 1840 because this genus has never been reported again. Its distribution and phenetic similarity raise the possibility that Neolycus and Celiasis are congeneric. Given that we cannot designate the neotype, which would be necessary for the stability of the nomenclature, we have to keep this taxon as a nomen dubium in the classification. Only new specimens from Columbia can provide further information about its relationships to other Neotropical genera.
description: Published as part of Kusy, Dominik, Motyka, Michal, Fusek, Lukas, Li, Yun, Bocek, Matej, Bilkova, Renata, Ruskova, Michaela & Bocak, Ladislav, 2021, Sexually dimorphic characters and shared aposematic patterns mislead the morphology-based classification of the Lycini (Coleoptera: Lycidae), pp. 902 in Zoological Journal of the Linnean Society 191 (3) on page 902, DOI: 10.1093/zoolinnean/zlaa055, http://zenodo.org/record/5299913
A Frame Bundle Generalization of Multisymplectic Momentum Mappings
Creators: name: Lawson, J. K.
Publisher: name: arXiv
Year: 2001
Subjects: subject: Mathematical Physics (math-ph)
subject: Differential Geometry (math.DG)
subject: Symplectic Geometry (math.SG)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: 53D20; 70G45; 57R15; 53C15; 37J15

description: This paper presents generalized momentum mappings for covariant Hamiltonian field theories. The new momentum mappings arise from a generalization of symplectic geometry to $L_VY$, the bundle of vertically adapted linear frames over the bundle of field configurations $Y$. Specifically, the generalized field momentum observables are vector-valued momentum mappings on the vertically adapted frame bundle generated from automorphisms of $Y$. The generalized symplectic geometry on $L_VY$ is a covering theory for multisymplectic geometry on the multiphase space $Z$, and it follows that the field momentum observables on $Z$ are generalized by those on $L_VY$. Furthermore, momentum observables on $L_VY$ produce conserved quantities along flows in $L_VY$. For translational and orthogonal symmetries of fields and reparametrization symmetry in mechanics, momentum is conserved, and for angular momentum in time-evolution mechanics we produce a version of the parallel axis theorem of rotational dynamics, and in special relativity, we produce the transformation of angular momentum under boosts.
description: 23 pages
On the Possibility of Observing H2 Emission from Primordial Molecular Cloud Kernels
Creators: name: Kamaya, Hideyuki
name: Silk, Joseph
Publisher: name: arXiv
Year: 2001
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We study the prospects for observing H$_2$ emission during the assembly of primordial molecular cloud kernels. The primordial molecular cloud cores, which resemble those at the present epoch, can emerge around $1+z=20$ according to recent numerical simulations. The kernels form inside the cores, and the first stars will appear inside the kernels. A kernel typically contracts to form one of the first generation stars with an accretion rate that is as large as $\sim 0.01 M_\odot$ year$^{-1}$. This occurs due to the primordial abundances that result in a kernel temperature of order 1000K, and the collapsing kernel emits H$_2$ line radiation at a rate $\sim 10^{35}$ erg sec$^{-1}$. Principally $J=5-3$ (v=0) rotational emission of H$_2$ is expected. At redshift $1+z=20$, the expected flux is $\sim 0.01~μ$Jy for a single kernel. While an individual object is not observable by any facilities available in the near future, the expected assembly of primordial star clusters on sub-galactic scales can result in fluxes at the sub-mJy level. This is marginally observable with ASTRO-F. We also examine the rotational $J=2-0$ (v=0) and vibrational $δv = 1$ emission lines. The former may possibly be detectable with ALMA.
description: 15 pages, 1 figure. MNRAS (Submitted)
Maritigrella Newman 2000
Creators: name: Newman, Leslie J.
Publisher: name: Zenodo
Year: 2000
Subjects: Biodiversity
Taxonomy
Animalia
Platyhelminthes
Rhabditophora
Polycladida
Euryleptidae
Maritigrella

description: Maritigrella marygarsona e sp. nov.   (®gures 9±11, 23)
 Material examined
HOLOTYPE: G211037, WM, 22 March 1995, reef slope, on sponge, 15 m, Heron Is., M. Garson. PARATYPE: G211036, LS, same data.
 D escription
Background cream-white, semi-transparent with ®ne, narrow, black, transverse lines; lines become orange medially and join with a narrow orange median line; median line commences behind the cerebral eyespot and ends prior to the posterior margin (®gures 9, 23). Same striping ventrally. Body with few marginal ruƒes, sucker small, mid-body (®gure 10). Sizes: 35Ö 20 mm and 25 Ö 18 mm (mature).
 Seminal vesicle large, oval (560 m m long); ejaculatory duct wide; prostate large, rounded oval (830 m m long); stylet long and wide (315 m m long Ö 70 m m wide), length 5 width ratio = 1 5 4.5 (®gure 11).
 D iagnosis Cream with numerous ®ne, black, transverse lines joining orange median line.
 Etymology Named in honour for Dr Mary Garson, who found these specimens.
 Remarks
 This species is similar to M. eschara, however, the lines are continuous (not broken and bifurcating) and there is a median orange line (not orange spots). Both animals were found together on a sponge.
description: Published as part of Newman, Leslie J., 2000, A new genus of euryleptid ¯ atworm (Platyhelminthes, Polycladida) from the Indo-Paci ® c, pp. 191-205 in Journal of Natural History 34 on pages 197-198
Application of Electronic Resource Management (ERM) to E- Journals: The IUCAA library experience
Creators: name: Sahu, Hemant Kumar
Publisher: name: Zenodo
Year: 2021
Subjects: Electronic Resource Management

description: Abstract : My talk is based on the experience of application of ERM to e Journals in the IUCAA library through the five facets namely Acquisition, Access, Administration, Support and Evaluation Management with modified Pecsh’s E-Resource Life cycle. This talk also attempts to evaluate the usage pattern of E-resources subscribed by the IUCAA library, and e-resources made available under the E ShodhSindhu program of MHRD, Govt. of India, where the user community takes the opportunities to make the best use of e-resources provided by the library.
Additional file 3: of Implementation of simulation modelling to improve service planning in specialist orthopaedic and neurosurgical outpatient services
Creators: name: Moretto, Nicole
name: Comans, Tracy
name: Chang, Angela
name: OâLeary, Shaun
name: Osborne, Sonya
name: Carter, Hannah
name: Smith, David
name: Cavanagh, Tania
name: Blond, Dean
name: Maree Raymer
Publisher: name: figshare
Year: 2019
Subjects: subject: Molecular Biology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences

description: Staff time collection template. (DOCX 58 kb)
HST NICMOS Observations of the Polarization of NGC 1068
Creators: name: Simpson, Janet P.
name: Colgan, Sean W. J.
name: Erickson, Edwin F.
name: Hines, Dean C.
name: Schultz, A. S. B.
name: Trammell, Susan R.
Publisher: name: arXiv
Year: 2002
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have observed the polarized light at 2 micron in the center of NGC 1068 with HST NICMOS Camera 2. The nucleus is dominated by a bright, unresolved source, polarized at a level of 6.0 pm 1.2% with a position angle of 122degr pm 1.5degr. There are two polarized lobes extending up to 8'' northeast and southwest of the nucleus. The polarized flux in both lobes is quite clumpy, with the maximum polarization occurring in the southwest lobe at a level of 17% when smoothed to 0.23'' resolution. The perpendiculars to the polarization vectors in these two lobes point back to the intense unresolved nuclear source to within one 0.076'' Camera 2 pixel, thereby confirming that this is the illuminating source of the scattered light and therefore the probable AGN central engine. Whereas the polarization of the nucleus is probably caused by dichroic absorption, the polarization in the lobes is almost certainly caused by scattering, with very little contribution from dichroic absorption. Features in the polarized lobes include a gap at a distance of about 1'' from the nucleus toward the southwest lobe and a ``knot'' of emission about 5'' northeast of the nucleus. Both features had been discussed by ground-based observers, but they are much better defined with the high spatial resolution of NICMOS. The northeast knot may be the side of a molecular cloud that is facing the nucleus, which cloud may be preventing the expansion of the northeast radio lobe at the head of the radio synchrotron-radiation-emitting jet. We also report the presence of two ghosts in the Camera 2 polarizers. These had not been detected previously (Hines et al. 2000) because they are relatively faint and require observations of a source with a large dynamic range.
description: 17 pages, 4 figures