cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Gravity, Twistors and the MHV Formalism
Creators: name: Mason, Lionel
name: Skinner, David
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We give a self-contained derivation of the MHV amplitudes for gravity and use the associated twistor generating function to define a twistor action for the MHV diagram approach to gravity. Starting from a background field calculation on a spacetime with anti self-dual curvature, we obtain a simple spacetime formula for the scattering of a single, positive helicity linearized graviton into one of negative helicity. Re-expressing our integral in terms of twistor data allows us to consider a spacetime that is asymptotic to a superposition of plane waves. Expanding these out perturbatively yields the gravitational MHV amplitudes of Berends, Giele & Kuijf. We go on to take the twistor generating function off-shell at the perturbative level. Combining this with a twistor action for the anti self-dual background, we obtain a twistor action for the MHV diagram approach to perturbative gravity. We finish by extending these results to supergravity, in particular N=4 and N=8.
description: 39 pages, 3 figures. Minor typos corrected, some clarification added
A search for ultra-compact dwarf galaxies in the Centaurus galaxy cluster
Creators: name: Mieske, S.
name: Hilker, M.
name: Jordan, A.
name: Infante, L.
name: Kissler-Patig, M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Aim: To extend the investigations of ultra-compact dwarf galaxies (UCDs) beyond the well studied Fornax and Virgo clusters. Methods: We measured spectroscopic redshifts of about 400 compact object candidates with 19.2 < V < 22.4 mag in the central region of the Centaurus galaxy cluster (d=43Mpc), using VIMOS@VLT. The luminosity range of the candidates covers that of bright globular clusters (GCs) and of UCDs in Fornax and Virgo. Results: We confirm the cluster membership of 27 compact objects, covering an absolute magnitude range -12.2 < M_V < -10.9 mag. We do not find counterparts to the two very large and bright UCDs in Fornax and Virgo with M_V=-13.5 mag, possibly due to survey incompleteness. The compact objects' distribution in magnitude and space is consistent with that of the GC population. Their kinematics and spatial distribution associate them to the central galaxies rather than to the overall cluster potential. The compact objects have a mean metallicity consistent with that of the metal-rich globular cluster sub-population. Compact objects with high S/N spectra exhibit solar [alpha/Fe] abundances, consistent with typical dwarf elliptical galaxy values and unlike galactic bulge globular clusters. HST based size estimates for a sub-sample of eight compact objects reveal the existence of one very large object with half-light radius r_h around 30 pc, having M_V=-11.6 mag (~10^7 M_sun). This source shows super-solar [alpha/Fe] abundances. Seven further sources are only marginally larger than typical GCs with r_h in the range 4 to 10 pc. Conclusions: We consider the largest compact object found to be the only bona-fide UCD detected in our study. In order to improve our understanding of UCDs in Centaurus, a significant increase of our survey completeness is necessary.
description: 11 pages, 12 figures, accepted for publication in A&A
Inferring properties of neutron stars born in short gamma-ray bursts with a plerion-like X-ray plateau
Creators: name: Strang, L. C.
name: Melatos, A.
name: Sarin, N.
name: Lasky, P. D.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Time-resolved spectra of six short gamma-ray bursts (sGRBs), measured by the {\em Swift} telescope, are used to estimate the parameters of a plerion-like model of the X-ray afterglow. The unshrouded, optically thin component of the afterglow is modelled as emanating from an expanding bubble of relativistic, shock-accelerated electrons fuelled by a central object. The electrons are injected with a power-law distribution and cool mainly by synchrotron losses. We compute posteriors for model parameters describing the central engine (e.g. spin frequency at birth, magnetic field strength) and shock acceleration (e.g. power-law index, minimum injection energy). It is found that the central engine is compatible with a millisecond magnetar, and the shock physics is compatible with what occurs in Galactic supernova remnants, assuming standard magnetic field models for the magnetar wind. Separately, we allow the magnetic field to vary arbitrarily and infer that it is roughly constant and lower in magnitude than the wind-borne extension of the inferred magnetar field. This may be due to the expansion history of the bubble, or the magnetization of the circumstellar environment of the sGRB progenitor.
Slowly Rotating Dilaton Black hole In Anti-de Sitter Spacetime
Creators: name: Ghosh, Tanwi
name: SenGupta, Soumitra
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Rotating dilaton black hole solution for asymptotically anti-de Sitter spacetime are obtained in the small angular momentum limit with an appropriate combination of three Liouville-type dilaton potentials. The angular momentum, magnetic dipole moment and the gyromagnetic ratio of such a black hole are determined for arbitrary values of the dilaton-electromagnetic coupling parameter.
description: 5 pages, Revtex, To appear in Phys.Rev.D
title: The Experience of Social Policy Reform for Voluntary Advice Organisations: A Multi-Site Case Study in Liverpool
Creators: name: Griffiths, J
Publisher: name: Liverpool John Moores University
Year: 2019

description: Social policy reform following the Welfare Reform Act 2012 has led to a shift in demand for voluntary advice organisations that are both advising on and dealing with issues related to these changes simultaneously. The existing body of literature focusses on the operations of advice organisation Citizens Advice, this thesis expands the body of knowledge through an exploration of varying structures of voluntary advice organisations. The social policy reforms that have been introduced following the Welfare Reform Act 2012 are disproportionately affecting the most vulnerable individuals in society, although there remains little insight into the voluntary advice organisations that help individuals navigate these changes. Therefore, the main aim of this thesis was to gather an understanding of these experiences for voluntary advice organisations in order to aid future perceptions of social policy reform in the sector. Liverpool, one of the most heavily impacted cities following these reforms, was used as the fieldwork site for this research. Three case study sites were explored with voluntary organisations that varied in organisational structure, Federal, Local Providing and Local Empowering to discover how their experiences differed. Qualitative interviews were carried out with representatives from the roles within the hierarchy of each organisation, gathering comparative data regarding the differences in the experience of volunteers, employees and managers. This thesis reveals that volunteers at the ‘front-line’ of advice experience change most significantly as they develop the closest relationship to service users and their issues, whilst keeping abreast of fast-paced change within their often-irregular voluntary roles. This thesis also provides an understanding of the provision of advice at varying structures of voluntary advice organisations, exploring their role and the relationships that occur within local communities. Local organisations for example, have greater autonomy to provide advice that is community focussed. It contributes to the existing body of knowledge as it investigates a variety of organisational structures, highlighting that the experiences of social policy change do occur in different ways both within and between voluntary advice organisations. This thesis offers a broader understanding of the way in which voluntary advice organisations experience social policy reform, dependent on their organisational structure and their hierarchical relationships with service users.
Grüneisen ratio at the Kondo breakdown quantum critical point
Creators: name: Kim, K. -S.
name: Benlagra, A.
name: Pépin, C.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We show that the scenario of multi-scale Kondo breakdown quantum critical point (QCP) gives rise to a divergent Grüneisen ratio with an anomalous exponent 0.7. In particular, we fit the experimental data of $YbRh_{2}(Si_{0.95}Ge_{0.05})_{2}$ for specific heat, thermal expansion, and Grüneisen ratio based on our simple analytic expressions. A reasonable agreement between the experiment and theory is found for the temperature range between 0.4 K and 10 K. We discuss how the Grüneisen ratio is a key measurement to discriminate between the Kondo breakdown and spin-density wave theories.
Evolution of the spin Hall effect in Pt nanowires: Size and temperature effects
Creators: name: Vila, Laurent
name: Kimura, Takashi
name: Otani, YoshiChika
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We have studied the evolution of the Spin Hall Effect in the regime where the material size responsible for the spin accumulation is either smaller or larger than the spin diffusion length. Lateral spin valve structures with Pt insertions were successfully used to measure the spin absorption efficiency as well as the spin accumulation in Pt induced through the spin Hall effect. Under a constant applied current the results show a decrease of the spin accumulation signal is more pronounced as the Pt thickness exceeds the spin diffusion length. This implies that the spin accumulation originates from bulk scattering inside the Pt wire and the spin diffusion length limits the SHE. We have also analyzed the temperature variation of the spin hall conductivity to identify the dominant scattering mechanism.
description: 4 pages, 4 figures
Additional file 1 of Behaviour, temperature and terrain slope impact estimates of energy expenditure using oxygen and dynamic body acceleration
Creators: name: Dickinson, Eleanor R.
name: Stephens, Philip A.
name: Marks, Nikki J.
name: Wilson, Rory P.
name: Scantlebury, David M.
Publisher: name: figshare
Year: 2021
Subjects: subject: Physiology
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology

description: Additional file 1. Information for each individual goat included in the study including their body weight and age, the respirometry measurements taken in the study, and the values predicted or measured for each individual in each enclosure. An ethogram of all the behaviours with additional details.
Effect of Alkyl-group Flexibility on the Melting Point of Imidazolium-based Ionic Liquids
Creators: name: Bernardino, Kalil
name: Zhang, Yong
name: Ribeiro, Mauro C. C.
name: Maginn, Edward J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: The low melting point of room temperature ionic liquids is usually explained in terms of the presence of bulky, low symmetry and flexible ions, with the first two factors related to the lattice energy while an entropic effect is attributed to the latter. By means of molecular dynamics simulations, the melting points of 1-ethyl-3-methylimidazolium hexafluorophosphate and 1-decyl-3-methyl-imidazolium hexafluorophosphate were determined and the effect of the molecular flexibility over the melting point was explicitly computed by restraining the rotation of dihedral angles in both the solid and the liquid phase. The rotational flexibility over the bond between the ring and the alkyl chain affects the relative ordering of the anions around the cations and results in substantial effects over both the enthalpy and the entropy of melting. For the other dihedral angles of the alkyl group, the contributions are predominantly entropic and an alternating behavior was found. The flexibility of some dihedral angles has negligible effects on the melting point, while others can lead to differences in the melting point as large as 20 K. This alternating behavior is rationalized by the different probabilities of conformation defects in the crystal.
description: Article published in Journal of Chemical Physics in 2020. Contains 34 pages of the main article plus 23 pages of supporting information
How ECSA does Policy Engagement for Citizen Science
Creators: name: Göbel, Claudia
Publisher: name: Zenodo
Year: 2019
Subjects: citizen science, policy engagement, stakeholder engagement, advocacy

description: This presentation summarises the concept of "policy engagement" used in the 3-year project Doing-it-Together science (DITOs). I present the understanding of policy engagement developed by the European Citizen Science Association (ECSA), which led the policy engagement work in DITOs, activities carried out and some impacts. Three main lines of work are highlighted: (1) Anchoring CS in EU research policy, (2) Supporting capacity building of national networks and (3) Developing more open organisations. The presentation was made at the 2019 meeting of the COST Action 15212 with the aim to make results available in discussions on the state of national CS strategies in COST countries.
An investigation of the theoretical and experimental aerodynamic characteristics of a low-correction wind tunnel wall configuration for airfoil testing
Creators: name: Malek, Ahmed Fouad
Publisher: name: University of British Columbia
Year: 2010

description: This thesis deals with a new approach to reduce wall corrections in high-lift airfoil testing, by employing two similar non-uniform transversely slotted walls. The solid elements of the slotted wall are symmetrical airfoils at zero incidence, and the spaces between the slats are non-uniform, increasing linearly towards the rear. This wall configuration provides the flow conditions close to the free air test environment which lead to negligible or small wall corrections. The theory uses the potential flow surface vortex-element method, with "Full Load" Kutta Conditions satisfied on the test airfoil and wall slats. This method is very well supported by physical evidence and it is simple to use. The surface velocities can be calculated directly and the aerodynamic lift and pitching moment are determined by numerical integration of the calculated pressure distributions around the airfoil contour. This method can be developed to include a simulation of the flow in the plenum chambers in the analysis. Also, the performance of this new wall configuration was examined experimentally. Two different sizes of NACA-0015 airfoil were tested in the existing low speed wind tunnel after modifying both the configuration of the side walls and the test section to accommodate the new test. Pressure distributions about the test airfoils were measured using pressure taps around their contours. Also the lifts and the pitching moments were obtained by integrating the measured surface pressures. The experimental, results show that the use of the new wall configuration with AOAR = 59% would produce wind tunnel test data very close to the free air values.
Light quark masses from QCD sum rules with minimal hadronic bias
Creators: name: Dominguez, C. A.
name: Nasrallah, N. F.
name: Schilcher, R. Röntsch K.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The light quark masses are determined using a new QCD Finite Energy Sum Rule (FESR) in the pseudoscalar channel. This FESR involves an integration kernel designed to reduce considerably the contribution of the (unmeasured) hadronic resonance spectral functions. The QCD sector of the FESR includes perturbative QCD (PQCD) to five loop order, and the leading non-perturbative terms. In the hadronic sector the dominant contribution is from the pseudoscalar meson pole. Using Contour Improved Perturbation Theory (CIPT) the results for the quark masses at a scale of 2 GeV are $m_u(Q= 2 {GeV}) = 2.9 \pm 0.2 {MeV}$, $m_d(Q= 2 {GeV}) = 5.3 \pm 0.4 {MeV}$, and $m_s(Q= 2 {GeV}) = 102 \pm 8 {MeV}$, for $Λ= 381 \pm 16 {MeV}$, corresponding to $α_s(M_τ^2) = 0.344 \pm0.009$. In this framework the systematic uncertainty in the quark masses from the unmeasured hadronic resonance spectral function amounts to less than 2 - 3 %. The remaining uncertainties above arise from those in $Λ$, the unknown six-loop PQCD contribution, and the gluon condensate, which are all potentially subject to improvement.
description: In Memoriam: Giuseppe (Beppe) Nardulli, Jan Stern, and Francisco (Paco) Yndurain. Invited talk given by C.A. Dominguez at QCD-08, 14th International QCD Conference, Montpellier, France, July 2008
Einstein e il Rinnovamento delle Scienze (Einstein and the Renewal of Science)
Creators: name: Recami, Erasmo
Publisher: name: arXiv
Year: 2007
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: Popular Physics (physics.pop-ph)
subject: FOS: Physical sciences

description: As it is well-known, the year 2005 has been the centenary of the "annus mirabilis" (1905) during which Albert Einstein published four fundamental papers of his. But already in 1979, for the centenary of Einstein's birth, the world celebrated his monumantal work. In Italy too, there appeared scientific books, and many semi-popularization (or popularization) articles. The present paper represents a talk delivered in Italian, at the invitation of the Nobel Foundation (Sanremo, IM; Italy), in time for its publication in 1979. This article has been however reprinted, much more recently, in 2002, by the "Centro DIEA", Faculty of Engineering, University of Bologna, Bologna, Italy [and its source-file, in html, has been prepared with DIEA's collaboration]. We present here a description of the human, philosophycal and scientific background, starting from which Einstein produced his amazing results: Indeed, we try to show why Einstein's writings today are still so important not only for pure physics (and technology!), but also for our epistemological understanding of the procedures followed by science, and by our own mind, in their development, as well as for our philosophical views about the world we live in; without forgetting the teachings that come (or should come) from Einstein's life and claims for modern pedagogy.
description: 9 pages [pdf produced from a source-file in html]. This paper was originally presented as an invited talk at the conference "Il centenario di Eisntein" organized by the Nobel Foundation c/o its Italian headquarters at Sanremo, IM (1978); but it has been recently (in 2002) reprinted by D.I.E.A., University of Bologna, Bologna, Italy
Additional file 2 of Behaviour, temperature and terrain slope impact estimates of energy expenditure using oxygen and dynamic body acceleration
Creators: name: Dickinson, Eleanor R.
name: Stephens, Philip A.
name: Marks, Nikki J.
name: Wilson, Rory P.
name: Scantlebury, David M.
Publisher: name: figshare
Year: 2021
Subjects: subject: Physiology
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology

description: Additional file 2. Input and output of the random forest models used to classify behaviour: error rates including Out-of-bag error estimate, mean Gini decrease of each predicting variable, confusion matrix of predicted and observed behaviours, and precision and recall of each behaviour.
Statistical Analysis of Thermal Conductivity Experimentally Measured in Ethylene Glycol - Based Nanofluids
Creators: name: Tielke, Julia
name: Avila, Marc
Publisher: name: arXiv
Year: 2021
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We collected literature data of thermal conductivity experimentally measured in ethylene glycol-based nanofluids and investigated the influence of concentration, temperature and nanoparticle size. We implemented statistical linear regression analysis of all data points and examined four separate nanoparticle materials - alumina, titania, copper oxide and carbon-nanotubes. We found that the statistical correlations are in good agreement with Maxwell's effective medium theory, despite large scatter in the data. The thermal conductivity increases linearly with concentration, and in the case of carbon-nanotubes with temperature, whereas the nanoparticle size shows significant influence for alumina and titania. The large scatter in the experimental data is one of the main problems. We suggest that there is a need for careful, detailed characterizations and measurements to quantify the potential of nanofluids.
description: 15th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics 2021
Additional file 1 of Prevention of recurrent respiratory infections
Creators: name: Chiappini, Elena
name: Santamaria, Francesca
name: Marseglia, Gian Luigi
name: Marchisio, Paola
name: Galli, Luisa
name: Cutrera, Renato
name: de Martino, Maurizio
name: Antonini, Sara
name: Becherucci, Paolo
name: Biasci, Paolo
name: Bortone, Barbara
name: Bottero, Sergio
name: Caldarelli, Valeria
name: Cardinale, Fabio
name: Gattinara, Guido Castelli
name: Ciarcià, Martina
name: Ciofi, Daniele
name: D’Elios, Sofia
name: Di Mauro, Giuseppe
name: Doria, Mattia
name: Indinnimeo, Luciana
name: Lo Vecchio, Andrea
name: Macrì, Francesco
name: Mattina, Roberto
name: Miniello, Vito Leonardo
name: del Giudice, Michele Miraglia
name: Morbin, Guido
name: Motisi, Marco Antonio
name: Novelli, Andrea
name: Palamara, Anna Teresa
name: Panatta, Maria Laura
name: Pasinato, Angela
name: Peroni, Diego
name: Perruccio, Katia
name: Piacentini, Giorgio
name: Pifferi, Massimo
name: Pignataro, Lorenzo
name: Sitzia, Emanuela
name: Tersigni, Chiara
name: Torretta, Sara
name: Trambusti, Irene
name: Trippella, Giulia
name: Valentini, Diletta
name: Valentini, Sandro
name: Varricchio, Attilio
name: Verga, Maria Carmen
name: Vicini, Claudio
name: Zecca, Marco
name: Villani, Alberto
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Appendix 1. Search strings. Appendix 2. Flowchart of included studies after literature review.
Stars disformally coupled to a shift-symmetric scalar field
Creators: name: Ikeda, Tact
name: Iyonaga, Aya
name: Kobayashi, Tsutomu
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We investigate static and spherically symmetric stars disformally coupled to a scalar field. The scalar field is assumed to be shift symmetric, and hence the conformal and disformal factors of the metric coupled to matter are dependent only on the kinetic term of the scalar field. Assuming that the scalar field is linearly dependent on time, we consider a general shift-symmetric scalar-tensor theory and a general form of the matter energy-momentum tensor that allows for the anisotropic pressure and the heat flux in the radial direction. This is a natural starting point in light of how the gravitational field equations and the energy-momentum tensor transform under a disformal transformation. By inspecting the structure of the hydrostatic equilibrium equation in the presence of the derivative-dependent conformal and disformal factors, we show that the energy density and tangential pressure must vanish at the surface of a star. This fact is used to prove the disformal invariance of the surface of a star, which was previously subtle and unclear. We then focus on the shift-symmetric k-essence disformally coupled to matter, and study the interior and exterior metric functions and scalar-field profile in more detail. It is found that there are two branches of the solution depending on the velocity of the scalar field. The disformally-related metric functions of the exterior spacetime are also discussed.
description: 12 pages, 4 figures
Complexity of thermal states in quantum spin chains
Creators: name: Znidaric, Marko
name: Prosen, Tomaz
name: Pizorn, Iztok
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study quantum correlations and complexity of simulation, characterized by quantum mutual information and entanglement entropy in operator space respectively, for thermal states in critical, non-critical and quantum chaotic spin chains. A simple general relation between the two quantities is proposed. We show that in all cases mutual information and entanglement entropy saturate with the system size, whereas as a function of the inverse temperature, we find logarithmic divergences for critical cases and uniform bounds in non-critical cases. A simple efficient quasi-exact method for computation of arbitrary entropy related quantities in thermalized XY spin chains is proposed.
description: 5 pages, 3 eps figures; v2. minor changes, sections added
Probing the Role of the Barrier Layer in Magnetic Tunnel Junction Transport
Creators: name: Nelson-Cheeseman, B. B.
name: Chopdekar, R. V.
name: Alldredge, L. M. B.
name: Bettinger, J. S.
name: Arenholz, E.
name: Suzuki, Y.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Magnetic tunnel junctions with a ferrimagnetic barrier layer have been studied to understand the role of the barrier layer in the tunneling process - a factor that has been largely overlooked until recently. Epitaxial oxide junctions of highly spin polarized La0.7Sr0.3MnO3 and Fe3O4 electrodes with magnetic NiMn2O4 (NMO) insulating barrier layers provide a magnetic tunnel junction system in which we can probe the effect of the barrier by comparing junction behavior above and below the Curie temperature of the barrier layer. When the barrier is paramagnetic, the spin polarized transport is dominated by interface scattering and surface spin waves; however, when the barrier is ferrimagnetic, spin flip scattering due to spin waves within the NMO barrier dominates the transport.
description: 10 pages, 3 figures
Constraining sterile neutrino dark matter by phase-space density observations
Creators: name: Gorbunov, D.
name: Khmelnitsky, A.
name: Rubakov, V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We apply phase-space density considerations to obtain lower bounds on the mass of sterile neutrino as dark matter candidate. The bounds are different for non-resonant production, resonant production in the presence of lepton asymmetry and production in decays of heavier particles. In the former case our bound is comparable to, but independent of the Lyman-alpha bound, and together with X-ray upper limit it disfavors non-resonantly produced sterile neutrino dark matter. An interesting feature of the latter case is that warm dark matter may be composed of heavy particles.
description: 10 pages; replaced with journal version
Stability of the rotating SU(3) Skyrmion
Creators: name: Akiyama, Satoru
name: Kawabata, Masahiro
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The profile functions of the SU(3) Skyrme soliton are investigated for the octet, decuplet, and antidecuplet baryons by the mean field approach. In this approach, the profile functions are affected by the spatial rotation, the flavor rotation, and the flavor symmetry breaking. The solitons are stable only in the restricted areas of the parameter space for each multiplet. When the flavor symmetry breaking is large, the area for the antidecuplet is narrow compared to those for the octet and decuplet. The parameters are determined by the baryon mass spectrum, and the deformation of the soliton has sizable effects on the masses.
description: 29 pages, 9 figures, references added, typos fixed
Sparedrus testaceus
Creators: name: Sivilov, Ognyan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Oedemeridae
Sparedrus
Sparedrus testaceus

description: 1. Sparedrus testaceus (Andersch, 1797)
10-11. VI; 2 specimens; light.
description: Published as part of Sivilov, Ognyan, 2012, Records of Oedemeridae (Insecta: Coleoptera) species from Strandzha Mountain (Bulgaria and Turkey), pp. 1-5 in ZooNotes 32 on page 2, DOI: 10.5281/zenodo.12659278
Everything you always wanted to know about the SCOSS 3rd pledging round/ Todo lo que siempre quisiste saber sobre la 3ra ronda de contribuciones de SCOSS
Creators: name: SCOSS
Publisher: name: Zenodo
Year: 2022
Subjects: Open Science Infrastructure, SCOSS, pledging

description: "Everything you always wanted to know about the SCOSS 3rd pledging round/ Todo lo que siempre quisiste saber sobre la 3ra ronda de contribuciones de SCOSS": the first in a series of SCOSS regional webinars focused on the 3rd pledging cycle. It spoke to Latin America and took place on 25 January 2022. Representatives of arXiv, Redalyc/AmeliCA and DSpace presented their service and the audience had a chance to ask them questions. We had simultaneous translation into Spanish for the event to be more inclusive. We look forward to doing this more in future. This is the slide deck used during the webinar. Find out more about pledging here: https://scoss.org/how-it-works/current-funding-calls/.
Ischnomera cyanea
Creators: name: Sivilov, Ognyan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Oedemeridae
Ischnomera
Ischnomera cyanea

description: 6. Ischnomera cyanea (Fabricius, 1792)
Strandzha Mts. (Vázquez, 2002). New data: 17.IV-31. V; 27 specimens; beating, sweeping.
description: Published as part of Sivilov, Ognyan, 2012, Records of Oedemeridae (Insecta: Coleoptera) species from Strandzha Mountain (Bulgaria and Turkey), pp. 1-5 in ZooNotes 32 on page 2, DOI: 10.5281/zenodo.12659278
Truly naked spherically-symmetric and distorted black holes
Creators: name: Zaslavskii, O. B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Differential Geometry (math.DG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We demonstrate the existence of spherically-symmetric truly naked black holes (TNBH) for which the Kretschmann scalar is finite on the horizon but some curvature components including those responsible for tidal forces as well as the energy density $\barρ$ measured by a free-falling observer are infinite. We choose a rather generic power-like asymptotics for the metric functions and analyze possible types of a horizon depending on the behavior of curvature components in the free-falling frame. It is also shown in a general case of distorted black holes that $\barρ$ and tidal forces are either both finite or both infinite. The general approach developed in the article includes previously found examples and, in particular, TNBHs with an infinite area of a horizon. The fact that the detection of singularity depends on a frame may be relevant for a more accurate definition of the cosmic censorship conjecture. TNBHs may be considered as a new example of so-called non-scalar singularities for which the scalar curvature invariants are finite but some components of the Riemann tensor may diverge in certain frames.
description: 18 pages. 2 last sentences on quantum backreaction modified. Typos corrected. To appear in PRD
Deontic authority
Creators: name: Stevanovic, Melisa
Publisher: name: OSF
Year: 2022
Subjects: Conversation Analysis
Encyclopedia
Ethnomethodology
Interactional Linguistics

description: Deontic authority refers to the capacity of a person to determine action. It is about defining what “ought-to-be”—what will be forbidden, obligatory, or permissible (the ancient Greek word deon, “that which is binding”; Stevanovic & Peräkylä 2012). Deontic authority involves both the right of a person to expect another person’s compliance and their right to launch autonomous action with consequences for another person.
Oedemera (Oedemera) crassipes Ganglbauer 1881
Creators: name: Sivilov, Ognyan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Oedemeridae
Oedemera
Oedemera crassipes

description: 14. Oedemera (Oedemera) crassipes Ganglbauer, 1881
Strandzha Mts. (Vázquez, 2002). New data: 07.V-13. VI; 43 specimens; sweeping, hands & forceps.
description: Published as part of Sivilov, Ognyan, 2012, Records of Oedemeridae (Insecta: Coleoptera) species from Strandzha Mountain (Bulgaria and Turkey), pp. 1-5 in ZooNotes 32 on page 2, DOI: 10.5281/zenodo.12659278
Magnetic frustration in a van der Waals metal CeSiI
Creators: name: Okuma, Ryutaro
name: Ritter, Clemens
name: Nilsen, Gøran J.
name: Okada, Yoshinori
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The realization of magnetic frustration in a metallic van der Waals (vdW) coupled material has been sought as a promising platform to explore novel phenomena both in bulk matter and in exfoliated devices. However, a suitable material platform has been lacking so far. Here, we demonstrate that CeSiI hosts itinerant electrons coexisting with exotic magnetism. In CeSiI, the magnetic cerium atoms form a triangular bilayer structure sandwiched by van der Waals stacked iodine layers. From resistivity and magnetometry measurements, we confirm the coexistence of itinerant electrons with magnetism with dominant antiferromagnetic exchange between the strongly Ising-like Ce moments below 7 K. Neutron diffraction directly confirms magnetic order with an incommensurate propagation vector k ~ (0.28, 0, 0.19) at 1.6 K, which points to the importance of further neighbor magnetic interactions in this system. The presence of a two-step magnetic-field-induced phase transition along c axis further suggests magnetic frustration in the ground state. Our findings provide a novel material platform hosting a coexistence of itinerant electron and frustrated magnetism in a vdW system, where exotic phenomena arising from rich interplay between spin, charge and lattice in low dimension can be explored.
description: 15 pages, 9 figures
Additional file 1 of Prevention of recurrent respiratory infections
Creators: name: Chiappini, Elena
name: Santamaria, Francesca
name: Marseglia, Gian Luigi
name: Marchisio, Paola
name: Galli, Luisa
name: Cutrera, Renato
name: de Martino, Maurizio
name: Antonini, Sara
name: Becherucci, Paolo
name: Biasci, Paolo
name: Bortone, Barbara
name: Bottero, Sergio
name: Caldarelli, Valeria
name: Cardinale, Fabio
name: Gattinara, Guido Castelli
name: Ciarcià, Martina
name: Ciofi, Daniele
name: D’Elios, Sofia
name: Di Mauro, Giuseppe
name: Doria, Mattia
name: Indinnimeo, Luciana
name: Vecchio, Andrea Lo
name: Macrì, Francesco
name: Mattina, Roberto
name: Miniello, Vito Leonardo
name: del Giudice, Michele Miraglia
name: Morbin, Guido
name: Motisi, Marco Antonio
name: Novelli, Andrea
name: Palamara, Anna Teresa
name: Panatta, Maria Laura
name: Pasinato, Angela
name: Peroni, Diego
name: Perruccio, Katia
name: Piacentini, Giorgio
name: Pifferi, Massimo
name: Pignataro, Lorenzo
name: Sitzia, Emanuela
name: Tersigni, Chiara
name: Torretta, Sara
name: Trambusti, Irene
name: Trippella, Giulia
name: Valentini, Diletta
name: Valentini, Sandro
name: Varricchio, Attilio
name: Verga, Maria Carmen
name: Vicini, Claudio
name: Zecca, Marco
name: Villani, Alberto
Publisher: name: figshare
Year: 2021
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Appendix 1. Search strings. Appendix 2. Flowchart of included studies after literature review.
One-press control: a tactile input method for pressure-sensitive computer keyboards
Creators: name: de Jong, Staas
name: Jillissen, Jeroen
name: Kirkali, Dünya
name: de Rooij, Alwin
name: Schraffenberger, Hanna
name: Terpstra, Arnout
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences
subject: H.5.2

description: This work presents One-press control, a tactile input method for pressure-sensitive keyboards based on the detection and classification of pressing movements on the already held-down key. To seamlessly integrate the added control input with existing practices for ordinary computer keyboards, the redefined notion of virtual modifier keys is introduced. A number of application examples are given, especially to point out a potential for simplifying existing interactions by replacing modifier key combinations with single key presses. Also, a new class of interaction scenarios employing the technique is proposed, based on an interaction model named "What You Touch Is What You Get (WYTIWYG)". Here, the proposed tactile input method is used to navigate interaction options, get full previews of potential outcomes, and then either commit to one or abort altogether - all in the space of one key depress / release cycle. The results of user testing indicate some remaining implementation issues, as well as that the technique can be learned within about a quarter of an hour of hands-on operating practice time.
description: The burden of executing this research project was shared among the authors, with all major choices made together in an open and democratic process. The concepts and algorithms that were decided upon for publication were by the first author, who also had writing duties. Further information is in the Acknowledgments
Additional file 1 of LPI-HyADBS: a hybrid framework for lncRNA-protein interaction prediction integrating feature selection and classification
Creators: name: Zhou, Liqian
name: Duan, Qi
name: Tian, Xiongfei
name: Xu, He
name: Tang, Jianxin
name: Peng, Lihong
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
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: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Additional file 1: Table SI. The performance of seven LPI prediction methods on CVl, the precision, recall, accuracy, F1-score, AUC and AUPR values obtained from LPI-SKF, LPI-NRLMF, Capsule-LPI, LPI-CNNCP, {LPLNP, LPBNI,} and LPI-HyADBS on five datasets under CVl.
Social reproduction and transcendence : an analysis of the Sekai Mahikari Bunmei Kyōdan, a heterodox religious movement in contemporary Japan
Creators: name: Miyanaga, Kuniko
Publisher: name: University of British Columbia
Year: 2010

description: This dissertation examines the Sekai (World) Mahikari (True Light) Bunmei (Civilization) Kyodan (Religious Association), known to English readers by the acronym SMBK, both in its internal structure which designates a socio-religious system and in its external relationships with the wider society, In particular, the theme of social creation is explored in the possibility of the dialectic between ideology and social organization. With regard to the external relationships between SMBK and the wider society, the reversal of the norm is the major issue. SMBK reverses the wider society's norm of formal democracy and informal hierarchy by offering formal hierarchy and informal egalitarian engagement. In so doing, SMBK realizes a democratic ideal of equality in its informal organization, although the egalitarianism has to be discarded individually for upward mobility. In relation to the internal structure, the SMBK model of the religious movement shows that neither ideology nor social organization is the reflection of the other. On the contrary, social organization provides a contradictory pathway to the ideology, in which believers are called to participate in the divine order through spirit possession. In this way, SMBK offers to individual believers a gradual educational procedure like a stairway for self-cure towards assimilation into the SMBK religious paradigm. In this process, individual believers' negation of the achieved epistemologies constitutes the condition for advancement to the next steps. A behavioral submission to the context of the purification ritual enables self-cure in SMBK. This process, also being pressed by the recruitment activity, constitutes a dialectic of self and others. However, this dialectic at the individual level does not generate a dialectic at the collective level. Consequently, the dialectic at the individual level is contained in, and is ensured by, the unchangeable framework of the SMBK religious system.
Oedemera (Oedemera) pthysica
Creators: name: Sivilov, Ognyan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Oedemeridae
Oedemera
Oedemera pthysica

description: 15. Oedemera (Oedemera) pthysica (Scopoli, 1763) (Fig. 2)
05.V-03.VII; 165 specimens; sweeping, hands & forceps, beating.
description: Published as part of Sivilov, Ognyan, 2012, Records of Oedemeridae (Insecta: Coleoptera) species from Strandzha Mountain (Bulgaria and Turkey), pp. 1-5 in ZooNotes 32 on page 2, DOI: 10.5281/zenodo.12659278
Presenting the cyclotactor project
Creators: name: de Jong, Staas
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences
subject: H.5.2

description: The cyclotactor is a novel platform for finger-based tactile interaction research. The operating principle is to track vertical fingerpad position above a freely approachable surface aperture, while directly projecting a force on the same fingerpad. The projected force can be specified in Newtons, with high temporal resolution. In combination with a relatively low overall latency between tactile input and output, this is used to work towards the ideal of instant programmable haptic feedback. This enables support for output across the continuum between static force levels and vibrotactile feedback, targeting both the kinesthetic and cutaneous senses of touch. The current state of the technology is described, and an overview of the research goals of the cyclotactor project is given.
Stationary density matrix of a pumped polariton system
Creators: name: Vera, Carlos Andres
name: Cabo, Alejandro
name: Gonzalez, Augusto
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The density matrix, ρ, of a model polariton system is obtained numerically from a master equation which takes account of pumping and losses. In the stationary limit, the coherences between eigenstates of the Hamiltonian are three orders of magnitude smaller than the occupations, meaning that the stationary density matrix is approximately diagonal in the energy representation. A weakly distorted grand canonical Gibbs distribution fits well the occupations.
description: Final version, as published
Additional file 2 of LPI-HyADBS: a hybrid framework for lncRNA-protein interaction prediction integrating feature selection and classification
Creators: name: Zhou, Liqian
name: Duan, Qi
name: Tian, Xiongfei
name: Xu, He
name: Tang, Jianxin
name: Peng, Lihong
Publisher: name: figshare
Year: 2021
Subjects: subject: Biochemistry
subject: Space Science
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: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Additional file 2: Table SII The performance of seven LPI prediction methods on CVp, the precision, recall, accuracy, F1-score, AUC and AUPR values obtained from LPI-SKF, LPI-NRLMF, Capsule-LPI, LPI-CNNCP, LPLNP, LPBNI, and LPI-HyADBS on five datasets under CVp.
Nacerdes melanura
Creators: name: Sivilov, Ognyan
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Oedemeridae
Nacerdes
Anogcodes
Anogcodes ustulatus

description: 2. Nacerdes (Nacerdes) melanura (Linnaeus, 1758) (Fig. 1)
30-31. V; 10 specimens; sweeping, hands & forceps in rotten wood on the beach.
3. Anogcodes ustulatus (Scopoli, 1763)
29.V-13. VI; 4 specimens; sweeping, in rotten wood of Populus sp. with hands & forceps.
description: Published as part of Sivilov, Ognyan, 2012, Records of Oedemeridae (Insecta: Coleoptera) species from Strandzha Mountain (Bulgaria and Turkey), pp. 1-5 in ZooNotes 32 on page 2, DOI: 10.5281/zenodo.12659278
INKLYUZIV VA BIRGALIKDA O'QITISH: ULARNING ASOSIY FARQLARINI ASOSLASH
Creators: name: Avazova, Marg'iyona
Publisher: name: Zenodo
Year: 2025

description: Ushbu tezisda inklyuziv ta'lim va birgalikda o'qitish (co-teaching) tushunchalari va ularning ta'lim tizimlaridagi o'rni tahlil qilinadi. Inklyuziv ta'lim va birgalikda o'qitish, o'zaro bog'liq bo'lsa-da, turli pedagogik yondashuvlarga asoslanadi. Inklyuziv ta'lim — bu alohida yordamga muhtoj bo'lgan bolalarni umumiy ta'lim tizimiga integratsiyalashga qaratilgan tizim bo'lib, barcha o'quvchilarga teng imkoniyatlar yaratish uchun o'qitish metodlari va resurslarini moslashtirishni talab qiladi. Birgalikda o'qitish esa ikki yoki undan ortiq o'qituvchining birgalikda ta'lim berish usulini bildiradi va maxsus ehtiyojlarga ega bo'lgan bolalarga ko'proq individual yondashuvni ta'minlashni maqsad qiladi. Tezishda inklyuziv ta'lim va birgalikda o'qitishning farqlari, samaradorligi, joriy etilishidagi qiyinchiliklar va ta'lim jarayonida ular qanday ishlatilishi haqida chuqur tahlil qilingan.
Concept for a Technical Infrastructure for Management of Predictive Models in Industrial Applications
Creators: name: Bachinger, Florian
name: Kronberger, Gabriel
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: With the increasing number of created and deployed prediction models and the complexity of machine learning workflows we require so called model management systems to support data scientists in their tasks. In this work we describe our technological concept for such a model management system. This concept includes versioned storage of data, support for different machine learning algorithms, fine tuning of models, subsequent deployment of models and monitoring of model performance after deployment. We describe this concept with a close focus on model lifecycle requirements stemming from our industry application cases, but generalize key features that are relevant for all applications of machine learning.
description: International Conference on Computer Aided Systems Theory, Eurocast 2019, pp 263-270