cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Variational and Geometric Structures of Discrete Dirac Mechanics
Creators: name: Leok, Melvin
name: Ohsawa, Tomoki
Publisher: name: arXiv
Year: 2008
Subjects: subject: Symplectic Geometry (math.SG)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 37J60, 65P10, 70H45, 70F25

description: In this paper, we develop the theoretical foundations of discrete Dirac mechanics, that is, discrete mechanics of degenerate Lagrangian/Hamiltonian systems with constraints. We first construct discrete analogues of Tulczyjew's triple and induced Dirac structures by considering the geometry of symplectic maps and their associated generating functions. We demonstrate that this framework provides a means of deriving discrete Lagrange-Dirac and nonholonomic Hamiltonian systems. In particular, this yields nonholonomic Lagrangian and Hamiltonian integrators. We also introduce discrete Lagrange-d'Alembert-Pontryagin and Hamilton-d'Alembert variational principles, which provide an alternative derivation of the same set of integration algorithms. The paper provides a unified treatment of discrete Lagrangian and Hamiltonian mechanics in the more general setting of discrete Dirac mechanics, as well as a generalization of symplectic and Poisson integrators to the broader category of Dirac integrators.
description: 26 pages; published online in Foundations of Computational Mathematics (2011)
Card from Kathleen Raine [to Robin Skelton], [between 1952 and 1996], [01]
Creators: name: Raine, Kathleen, 1908-2003
Publisher: name: University of Victoria Libraries
Year: 2023
Subjects: subject: Platonists
valueUri: http://id.worldcat.org/fast/1066881
subject: English poetry--Manuscripts
valueUri: http://id.worldcat.org/fast/912320
subject: Novelists, English
valueUri: http://id.worldcat.org/fast/1039718
subject: Editors
valueUri: http://id.worldcat.org/fast/902475
subject: Novelists
valueUri: http://id.worldcat.org/fast/1039684
subject: Raine, Kathleen, 1908-2003
valueUri: http://id.worldcat.org/fast/52672
subject: Critics
valueUri: http://id.worldcat.org/fast/883769
subject: Skelton, Robin
valueUri: http://id.worldcat.org/fast/51853
subject: Book industries and trade
valueUri: http://id.worldcat.org/fast/836171
subject: Wiccans
valueUri: http://id.worldcat.org/fast/1765210
subject: Poets, English
valueUri: http://id.worldcat.org/fast/1067870
subject: Poets
valueUri: http://id.worldcat.org/fast/1067778
subject: Periodical editors
valueUri: http://id.worldcat.org/fast/1058064
subject: Philosophy
valueUri: http://id.worldcat.org/fast/1060777
subject: FOS: Philosophy, ethics and religion
subject: Authors
valueUri: http://id.worldcat.org/fast/821688
subject: Authors, English
valueUri: http://id.worldcat.org/fast/821945
subject: Literature, Modern
valueUri: http://id.worldcat.org/fast/1000172
subject: Periodicals--Publishing
valueUri: http://id.worldcat.org/fast/1058100
subject: Neoplatonism
valueUri: http://id.worldcat.org/fast/1035884
subject: Scholars
valueUri: http://id.worldcat.org/fast/1106878

description: Part of a collection of correspondence from Kathleen Raine to Robin Skelton. Skelton was a British poet, academic, anthologist, and practicing Wiccan. He taught at Manchester University before emigrating to Canada in 1963, where he taught creative writing at the University of Victoria and started the literary magazine The Malahat Review. Also included are some letters to Skelton’s wife Sylvia, and his daughters. Spanning close to forty-five years, the correspondence discusses poetry, writing, and philosophy; particularly Platonism and Neoplatonism. Raine often refers to the writings of William Blake and W. B. Yeats. Many letters also mention contemporary literary figures at the time including: Herbert Read, Peter Russell, Liam Miller, and Thurairajah Tambimuttu. A Christmas card from Raine depicting an illustration from William Blake.
Bars in early- and late-type disks in COSMOS
Creators: name: Cameron, E.
name: Carollo, C. M.
name: Oesch, P.
name: Aller, M. C.
name: Bschorr, T.
name: Cerulo, P.
name: Aussel, H.
name: Capak, P.
name: Floc'h, E. Le
name: Ilbert, O.
name: Kneib, J. -P.
name: Koekemoer, A.
name: Leauthaud, A.
name: Lilly, S. J.
name: Massey, R.
name: McCracken, H. J.
name: Rhodes, J.
name: Salvato, M.
name: Sanders, D. B.
name: Scoville, N.
name: Sheth, K.
name: Taniguchi, Y.
name: Thompson, D.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We investigate the (large-scale) bar fraction in a mass-complete sample of M > 10^10.5 Msun disk galaxies at 0.2 < z < 0.6 in the COSMOS field. The fraction of barred disks strongly depends on mass, disk morphology, and specific star formation rate (SSFR). At intermediate stellar mass (10^10.5 < M < 10^11 Msun) the bar fraction in early-type disks is much higher, at all redshifts, by a factor ~2, than that in late-type disks. This trend is reversed at higher stellar mass (M > 10^11 Msun), where the fraction of bars in early-type disks becomes significantly lower, at all redshifts, than that in late-type disks. The bar fractions for galaxies with low and high SSFRs closely follow those of the morphologically-selected early-type and late-type populations, respectively. This indicates a close correspondence between morphology and SSFR in disk galaxies at these earlier epochs. Interestingly, the total bar fraction in 10^10.5 < M < 10^11 Msun disks is built up by a factor of ~2 over the redshift interval explored, while for M > 10^11 Msun disks it remains roughly constant. This indicates that, already by z ~ 0.6, spectral and morphological transformations in the most massive disk galaxies have largely converged to the familiar Hubble sequence that we observe in the local Universe, while for intermediate mass disks this convergence is ongoing until at least z ~ 0.2. Moreover, these results highlight the importance of employing mass-limited samples for quantifying the evolution of barred galaxies. Finally, the evolution of the barred galaxy populations investigated does not depend on the large-scale environmental density (at least, on the scales which can be probed with the available photometric redshifts).
description: 10 pages, 4 figures, updated to reflect version accepted by MNRAS
Parapiesma pupula
Creators: name: Heiss, Ernst
name: Eckelt, Andreas
name: Lederwasch, Manfred
name: Unterasinger, Romed
name: T, Alydidae.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Piesmatidae
Parapiesma
Parapiesma pupula

description: Parapiesma pupula (PUTON, 1879)
ESP S p a n i e n: Almeria, Sierra de los Filabres, 4 Ex., 5.V.1997, leg. Günther H; Andalusien, Granada Picacho del Veleta, 4 Ex., 25.VII.1959, leg. Weber H.
FRA F r a n k r e i c h: Languedoc-Roussillon, Pyrenees-Or. Mt. Canigou, 15 Ex., 31.VII.1956, leg. Weber H; Okzitanien, Pyrénées Orientales Col d'Eusebe, 12 Ex., 12.VIII.1974, leg. HE; Okzitanien, Pyrénées Orientales Estavar, 2 Ex., 24.VII.1977, leg. Pericart J; Pyrènèes-Orientales, Col de Milliers, 39 Ex., 15.VIII.1974, leg. HE; Pyrènèes-Orientales, Col de Milliers, 4 Ex., 31.VII.1956, leg. Weber H.
description: Published as part of Heiss, Ernst, Eckelt, Andreas, Lederwasch, Manfred, Unterasinger, Romed & T, Alydidae., 2023, Die Heteropterensammlung Ernst Heiss im Tiroler Landesmuseum Ferdinandeum. Teil XI: Pentatomomorpha IV: Familien Piesmatidae, Stenocephalidae, Rhopalidae, Alydidae, pp. 423-473 in Linzer biologische Beiträge 54 (2) on page 425, DOI: 10.5281/zenodo.10414541
Synthesis and Characterization of Amorphous Silica Nanoparitcles from Aqueous Silicates Uisng Cationic Surfactants
Creators: name: Maurice. ABOU RIDA, Faouzi. HARB
Publisher: name: Metallurgy and Materials Science Research Institute, Chulalongkorn University
Year: 2014
Subjects: Silica,Sodium silicate,Cationic surfactant,Cost-effective,sol-gel,Microwave drying

description: 1, 24, Journal of Metals, Materials and Minerals
Abell 370 revisited: refurbished Hubble imaging of the first strong lensing cluster
Creators: name: Richard, Johan
name: Kneib, Jean-Paul
name: Limousin, Marceau
name: Edge, Alastair
name: Jullo, Eric
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a strong lensing analysis of the galaxy cluster Abell 370 (z=0.375) based on the recent multicolor ACS images obtained as part of the Early Release Observation (ERO) that followed the Hubble Service Mission #4. Back in 1987, the giant gravitational arc (z=0.725) in Abell 370 was one of the first pieces of evidence that massive clusters are dense enough to act as strong gravitational lenses. The new observations reveal in detail its disklike morphology, and we show that it can be interpreted as a complex five-image configuration, with a total magnification factor of 32+/-4. Moreover, the high resolution multicolor information allowed us to identify 10 multiply imaged background galaxies. We derive a mean Einstein radius of RE=39+/-2" for a source redshift at z=2, corresponding to a mass of M(
description: 6 pages, 2 figures, accepted to MNRAS letters, replaced with accepted version
Duality between different geometries of a resonant level in a Luttinger liquid
Creators: name: Goldstein, Moshe
name: Berkovits, Richard
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We prove an exact duality between the side-coupled and embedded geometries of a single level quantum dot attached to a quantum wire in a Luttinger liquid phase by a tunneling term and interactions. This is valid even in the presence of a finite bias voltage. Under this relation the Luttinger liquid parameter g goes into its inverse, and transmittance maps onto reflectance. We then demonstrate how this duality is revealed by the transport properties of the side-coupled case. Conductance is found to exhibit an antiresonance as a function of the level energy, whose width vanishes (enhancing transport) as a power law for low temperature and bias voltage whenever g>1, and diverges (suppressing transport) for g<1. On resonance transmission is always destroyed, unless g is large enough.
description: 4.5 pages, 3 figures; v2: published version
Lie algebroid structures on double vector bundles and representation theory of Lie algebroids
Creators: name: Gracia-Saz, Alfonso
name: Mehta, Rajan Amit
Publisher: name: arXiv
Year: 2008
Subjects: subject: Differential Geometry (math.DG)
subject: Category Theory (math.CT)
subject: FOS: Mathematics
subject: 18D05, 22A30, 53D17

description: A VB-algebroid is essentially defined as a Lie algebroid object in the category of vector bundles. There is a one-to-one correspondence between VB-algebroids and certain flat Lie algebroid superconnections, up to a natural notion of equivalence. In this setting, we are able to construct characteristic classes, which in special cases reproduce characteristic classes constructed by Crainic and Fernandes. We give a complete classification of regular VB-algebroids, and in the process we obtain another characteristic class of Lie algebroids that does not appear in the ordinary representation theory of Lie algebroids.
Landau Levels, Magnetic Fields and Holographic Fermi Liquids
Creators: name: Albash, Tameem
name: Johnson, Clifford V.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We further consider a probe fermion in a dyonic black hole background in anti-de Sitter spacetime, at zero temperature, comparing and contrasting two distinct classes of solution that have previously appeared in the literature. Each class has members labeled by an integer n, corresponding to the n-th Landau level for the fermion. Our interest is the study of the spectral function of the fermion, interpreting poles in it as indicative of quasiparticles associated with the edge of a Fermi surface in the holographically dual strongly coupled theory in a background magnetic field H at finite chemical potential. Using both analytical and numerical methods, we explicitly show how one class of solutions naturally leads to an infinite family of quasiparticle peaks, signaling the presence of a Fermi surface for each level n. We present some of the properties of these peaks, which fall into a well behaved pattern at large n, extracting the scaling of Fermi energy with n and H, as well as the dispersion of the quasiparticles.
description: 23 pages, 4 figures. Changed some of the terminology: non-separable -> infinite-sum. Clarified the relationship between our ansatz and the separable ansatz
Dual black holes in merger remnants. II: spin evolution and gravitational recoil
Creators: name: Dotti, M.
name: Volonteri, M.
name: Perego, A.
name: Colpi, M.
name: Ruszkowski, M.
name: Haardt, F.
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Using high resolution hydrodynamical simulations, we explore the spin evolution of massive dual black holes orbiting inside a circumnuclear disc, relic of a gas-rich galaxy merger. The black holes spiral inwards from initially eccentric co or counter-rotating coplanar orbits relative to the disc's rotation, and accrete gas that is carrying a net angular momentum. As the black hole mass grows, its spin changes in strength and direction due to its gravito-magnetic coupling with the small-scale accretion disc. We find that the black hole spins loose memory of their initial orientation, as accretion torques suffice to align the spins with the angular momentum of their orbit on a short timescale (<1-2 Myr). A residual off-set in the spin direction relative to the orbital angular momentum remains, at the level of <10 degrees for the case of a cold disc, and <30 degrees for a warmer disc. Alignment in a cooler disc is more effective due to the higher coherence of the accretion flow near each black hole that reflects the large-scale coherence of the disc's rotation. If the massive black holes coalesce preserving the spin directions set after formation of a Keplerian binary, the relic black hole resulting from their coalescence receives a relatively small gravitational recoil. The distribution of recoil velocities inferred from a simulated sample of massive black hole binaries has median <70 km/s much smaller than the median resulting from an isotropic distribution of spins.
description: 11 pages, 3 figures. Accepted for publication in MNRAS
Gravitational instability of the inner static region of a Reissner-Nordstrom black hole
Creators: name: Dotti, Gustavo
name: Gleiser, Reinaldo J.
Publisher: name: arXiv
Year: 2010
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Reissner--Nordström black holes have two static regions: $r > \ro$ and $0 < r < \ri$, where $\ri$ and $\ro$ are the inner and outer horizon radii. The stability of the exterior static region has been established long time ago. In this work we prove that the interior static region is unstable under linear gravitational perturbations, by showing that field perturbations compactly supported within this region will generically excite a mode that grows exponentially in time. This result gives an alternative reason to mass inflation to consider the space time extension beyond the Cauchy horizon as physically irrelevant, and thus provides support to the strong cosmic censorship conjecture, which is also backed by recent evidence of a linear gravitational instability in the interior region of Kerr black holes found by the authors. The use of intertwiners to solve for the evolution of initial data plays a key role, and adapts without change to the case of super-extremal \rn black holes, allowing to complete the proof of the linear instability of this naked singularity. A particular intertwiner is found such that the intertwined Zerilli field has a geometrical meaning -it is the first order variation of a particular Riemann tensor invariant-. Using this, calculations can be carried out explicitely for every harmonic number.
description: 24 pages, 4 figures. Changes and corrections in proof using intertwiners, also in figures
Card from Kathleen Raine [to Robin Skelton], [between 1952 and 1996], [02]
Creators: name: Raine, Kathleen, 1908-2003
Publisher: name: University of Victoria Libraries
Year: 2023
Subjects: subject: Neoplatonism
valueUri: http://id.worldcat.org/fast/1035884
subject: Editors
valueUri: http://id.worldcat.org/fast/902475
subject: Philosophy
valueUri: http://id.worldcat.org/fast/1060777
subject: FOS: Philosophy, ethics and religion
subject: English poetry--Manuscripts
valueUri: http://id.worldcat.org/fast/912320
subject: Periodical editors
valueUri: http://id.worldcat.org/fast/1058064
subject: Platonists
valueUri: http://id.worldcat.org/fast/1066881
subject: Critics
valueUri: http://id.worldcat.org/fast/883769
subject: Scholars
valueUri: http://id.worldcat.org/fast/1106878
subject: Periodicals--Publishing
valueUri: http://id.worldcat.org/fast/1058100
subject: Wiccans
valueUri: http://id.worldcat.org/fast/1765210
subject: Novelists, English
valueUri: http://id.worldcat.org/fast/1039718
subject: Book industries and trade
valueUri: http://id.worldcat.org/fast/836171
subject: Authors
valueUri: http://id.worldcat.org/fast/821688
subject: Novelists
valueUri: http://id.worldcat.org/fast/1039684
subject: Skelton, Robin
valueUri: http://id.worldcat.org/fast/51853
subject: Raine, Kathleen, 1908-2003
valueUri: http://id.worldcat.org/fast/52672
subject: Poets
valueUri: http://id.worldcat.org/fast/1067778
subject: Poets, English
valueUri: http://id.worldcat.org/fast/1067870
subject: Literature, Modern
valueUri: http://id.worldcat.org/fast/1000172
subject: Authors, English
valueUri: http://id.worldcat.org/fast/821945

description: Part of a collection of correspondence from Kathleen Raine to Robin Skelton. Skelton was a British poet, academic, anthologist, and practicing Wiccan. He taught at Manchester University before emigrating to Canada in 1963, where he taught creative writing at the University of Victoria and started the literary magazine The Malahat Review. Also included are some letters to Skelton’s wife Sylvia, and his daughters. Spanning close to forty-five years, the correspondence discusses poetry, writing, and philosophy; particularly Platonism and Neoplatonism. Raine often refers to the writings of William Blake and W. B. Yeats. Many letters also mention contemporary literary figures at the time including: Herbert Read, Peter Russell, Liam Miller, and Thurairajah Tambimuttu. A Christmas carf from Raine, printed with a translation by Raine of a poem by Gómez Manrique.
Forsvarets Sundhedstjenestes elektroniske patientjournal
Creators: Forsvarets Sundhedstjeneste
Publisher: name: Rigsarkivet
Year: 2022

description: - kvalitetssikre de enkelte patientforløb
- kvalitetssikre og kvalitetsudvikle en sundhedsfaglig standardiseret dokumentation
- skabe et centralt og lokalt validt, opdateret datagrundlag for varetagelse af ledelsesopgaven
- understøtte forebyggelse, forskning og kvalitetsudvikling gennem systematisk registrering af valide data
Parapiesma tenellum
Creators: name: Heiss, Ernst
name: Eckelt, Andreas
name: Lederwasch, Manfred
name: Unterasinger, Romed
name: T, Alydidae.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Piesmatidae
Parapiesma
Parapiesma tenellum

description: Parapiesma tenellum (HORVATH, 1906)
IRQ I r a k: Al-Anbar, Al-Qa'im Al Qaim, 6 Ex., 9.X.1979, leg. Linnavuori R.
KAZ K a s a c h s t a n: Turcom, 1 Ex., ex coll. Horvath G.
description: Published as part of Heiss, Ernst, Eckelt, Andreas, Lederwasch, Manfred, Unterasinger, Romed & T, Alydidae., 2023, Die Heteropterensammlung Ernst Heiss im Tiroler Landesmuseum Ferdinandeum. Teil XI: Pentatomomorpha IV: Familien Piesmatidae, Stenocephalidae, Rhopalidae, Alydidae, pp. 423-473 in Linzer biologische Beiträge 54 (2) on page 428, DOI: 10.5281/zenodo.10414541
Discovery potential for charmonium-like state Y(3940) by the meson photoproduction
Creators: name: He, Jun
name: Liu, Xiang
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: Nuclear Experiment (nucl-ex)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this work, we investigate the discovery potential for Y(3940) by the photoproduction process $γp\to Y(3940)p$. The numerical result shows that the upper (lower) limit of the total cross section for $γp\to Y(3940)p$ is up to the order of 1 $nb$ (0.1 $μb$). Additionally, the background analysis and the Dalitz plot relevant to the production of Y(3940) are studied. The Dalitz plot analysis of Y(3940) production indicates that Y(3940) signal can be distinguished from the background clearly. The lower limit of the number of events of Y(3940) reaches up to 10/0.02GeV$^2$ for one billion collisions of $γp$ by studying the invariant mass spectrum of $J/ψω$. Experimental search for Y(3940) by the meson photoproduction is suggested.
description: 8 pages, 1 table, 7 figures. More discussion added. Accepted by Phys. Rev. D
CIFRA National Survey: Uruguay June 2011
Creators: name: CIFRA, In Bogliaccini, Juan, And Queirolo Rosario Laboratorio De Opinión Pública And Redes Sociales En Uruguay Collection (Social Networks And Public Opinion Lab Collection)
Publisher: name: Roper Center for Public Opinion Research
Year: 2021

description: Main problems in Uruguay; education; health; housing; poverty; public safety/crime; the economy; human rights/expiration; moral values; lowering the age of criminal accountability; feeling toward political leaders; Tabaré Vazquez; Jorge Larrañaga; Pedro Bordaberry; Danilo Astori; Luis Alberto Lacalle; José (Pepe) Mujica; party sympathies; National Party; Colorado Party; Frente Amplio (a leftist political coalition); Independent Party; foreign investors; Uruguay compared to rich countries; industry vs. environment; agrochemical industry; forest industry/pulp production; soy plantations; iron mining; President José Mujica job approval; Intendent job approval; party senators and deputies job approval; Fernando Amado; Eduardo Lorier; Alfredo Solari; José Amy; Luis Alberto Heber; Fitzgerald Cantero; Víctor Semproni; Walter Verri; José Carlos Cardoso; Germán Cardoso; 2009 general election; vote for or against parties; vote for or against candidates; feel closer to current government or opposition; Law on the Expiration of the Punitive Claims of the State (Expiry Law). National Agency for Research and Innovation (ANII) Collection.
Enhancement of the Spin Accumulation at the Interface Between a Spin-Polarized Tunnel Junction and a Semiconductor
Creators: name: Tran, M.
name: Jaffres, H.
name: Deranlot, C.
name: George, J. -M.
name: Fert, A.
name: Miard, A.
name: Lemaitre, A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report on spin injection experiments at a Co/Al$_2$O$_3$/GaAs interface with electrical detection. The application of a transverse magnetic field induces a large voltage drop $ΔV$ at the interface as high as 1.2mV for a current density of 0.34 nA.$μm^{-2}$. This represents a dramatic increase of the spin accumulation signal, well above the theoretical predictions for spin injection through a ferromagnet/semiconductor interface. Such an enhancement is consistent with a sequential tunneling process via localized states located in the vicinity of the Al$_2$O$_3$/GaAs interface. For spin-polarized carriers these states act as an accumulation layer where the spin lifetime is large. A model taking into account the spin lifetime and the escape tunneling time for carriers travelling back into the ferromagnetic contact reproduces accurately the experimental results.
Autocorrelations in the totally asymmetric simple exclusion process and Nagel-Schreckenberg model
Creators: name: de Gier, Jan
name: Garoni, Timothy M.
name: Zhou, Zongzheng
Publisher: name: arXiv
Year: 2010
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study via Monte Carlo simulation the dynamics of the Nagel-Schreckenberg model on a finite system of length L with open boundary conditions and parallel updates. We find numerically that in both the high and low density regimes the autocorrelation function of the system density behaves like 1-|t|/tau with a finite support [-tau,tau]. This is in contrast to the usual exponential decay typical of equilibrium systems. Furthermore, our results suggest that in fact tau=L/c, and in the special case of maximum velocity 1 (corresponding to the totally asymmetric simple exclusion process) we can identify the exact dependence of c on the input, output and hopping rates. We also emphasize that the parameter tau corresponds to the integrated autocorrelation time, which plays a fundamental role in quantifying the statistical errors in Monte Carlo simulations of these models.
description: 7 pages, 6 figures
Hadrons as holograms
Creators: name: Forkel, Hilmar
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We review our recent work on four topics in strong-interaction physics from the perspective of the gauge/gravity correspondence. In particular, we discuss (i) the construction of the ``metric soft wall'' dual for holographic QCD which reproduces the observed linear square-mass trajectories of radially and orbitally excited (light-quark) hadrons, (ii) an extension of the metric soft wall which encodes diquark correlations holographically and additionally leads to an excellent description of the empirical nucleon excitation spectrum, (iii) an AdS/QCD dual that emerges as a new solution of 5d Einstein-dilaton gravity with a specifically derived potential and realizes the area law of the Wilson loop and (approximately) linear meson trajectories dynamically, and finally (iv) the calculation of glueball correlation functions and decay constants in both the hard- and dilaton soft-wall gravity duals, as well as a quantitative analysis of their QCD-relevant physics content.
description: 12 pages, 3 figures; Invited talk given at the International Workshop on QCD Greens Functions, Confinement and Phenomenology, Trento, Italy, September 2009
Enhanced wind-farm performance using windbreaks
Creators: name: Liu, Luoqin
name: Stevens, Richard J. A. M.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: FOS: Physical sciences

description: The flow speed-up generated by windbreaks can be used to increase the power production of wind turbines. However, due to the increased drag imposed by the windbreaks, their use in large wind turbine arrays has been questioned. We use large eddy simulations to show that windbreaks can increase the power production of large wind farms. A crucial finding is that windbreaks in a wind farm should be much lower than for a single turbine case. In fact, the optimal windbreak for an isolated turbine can reduce wind farm performance. The optimal windbreak height in a wind farm namely depends on the right balance between flow speed-up over the windbreak and the drag imposed by all windbreaks in the farm. The increased performance is a result of the favorable total pressure flux created by the windbreaks.
Structural properties of semilinear SPDEs driven by cylindrical stable processes
Creators: name: Priola, Enrico
name: Zabczyk, Jerzy
Publisher: name: arXiv
Year: 2008
Subjects: subject: Analysis of PDEs (math.AP)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 47D07, 60H15, 60J75, 35R60

description: We consider a class of semilinear stochastic evolution equations driven by an additive cylindrical stable noise.We investigate structural properties of the solutions like Markov, irreducibility, stochastic continuity, Feller and strong Feller properties, and study integrability of trajectories. The obtained results can be applied to semilinear stochastic heat equations with Dirichlet boundary conditions and bounded and Lipschitz nonlinearities.
description: This version is almost identical with the one published in Probab. Theory Related Fields. We have also corrected some constants appearing in Theorem 4.16 and Hypothesis 5.6
Tunable high order anti-Stokes radiation produced by stimulated Raman scattering
Creators: name: Sinnott, Timothy Joseph
Publisher: name: University of British Columbia
Year: 2010

description: Tunable high order anti-Stokes radiation produced by stimulated Raman scattering in liquid nitrogen is studied experimentally. The light beams of two lasers of different frequencies a ruby laser and tunable dye laser --.are simultaneously focussed in liquid nitrogen and two distinct series of anti-Stokes lines are observed. The dye laser anti-Stokes lines can be changed in frequency by tuning the dye laser. The intensities of the two series of lines are investigated as a function of both ruby and dye laser power, The dye laser anti-Stokes line intensities are found to have a distinct threshold for ruby laser power but no threshold for dye laser power. The experimental results support a two step model in which the ruby laser acts as a pump for molecular vibrations which in turn modulate the dye laser frequency.
Statistical Mechanical Analysis of Compressed Sensing Utilizing Correlated Compression Matrix
Creators: name: Takeda, Koujin
name: Kabashima, Yoshiyuki
Publisher: name: arXiv
Year: 2010
Subjects: subject: Information Theory (cs.IT)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Computer and information sciences
subject: FOS: Physical sciences

description: We investigate a reconstruction limit of compressed sensing for a reconstruction scheme based on the L1-norm minimization utilizing a correlated compression matrix with a statistical mechanics method. We focus on the compression matrix modeled as the Kronecker-type random matrix studied in research on multi-input multi-output wireless communication systems. We found that strong one-dimensional correlations between expansion bases of original information slightly degrade reconstruction performance.
description: 5 pages, 3 figures
Asymptotics from scaling for nonlinear wave equations
Creators: name: Szpak, Nikodem
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mathematical Physics (math-ph)
subject: Analysis of PDEs (math.AP)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We present a scaling technique which transforms the evolution problem for a nonlinear wave equation with small initial data to a linear wave equation with a distributional source. The exact solution of the latter uniformly approximates the late-time behavior of solutions of the nonlinear problem in timelike and null directions.
description: 14 pages; minor changes (notation, typos)
A simple proof for the chromatic number of cyclic Latin squares of even order
Creators: name: Naghdabadi, Zahra
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 05C15, 05B15

description: The chromatic number of a cyclic Latin square of order 2n is 2n+2. The available proof for this statement includes a coloring that is rather lengthy. Here, we introduce a coloring of cyclic Latin square of even order 2n (the Latin square of a cyclic group's Cayley table) with 2n+2 colors using a simple method supported by a graphical presentation.
Arbejdsmarkedsportalen
Creators: Arbejdsmarkedsstyrelsen
Jobcentre
Kommuner
A-kasser
Andre aktører
Publisher: name: Rigsarkivet
Year: 2022

description: Arbejdsmarkedsportalen understøtter sagsbehandling og styring af beskæftigelsesindsatsen. Portalen er et fælles redskab for de professionelle aktører - på tværs af stat, kommuner, a-kasser og andre aktører.

Kernen i Arbejdsmarkedsportalen er data om forsørgelse og indsats på personniveau. Portalen gør det muligt at registrere sagsoplysninger, herunder til og afmeldinger i forbindelse med ledighed, planlagte og afholdte kontaktsamtalet, match, tilbud og jobplaner. Desuden er der udviklet et særligt modul til kommunikation mellem A-kasser og Jobcentrene.
Collision of two self-trapped atomic matter wave packets in an optical ring cavity
Creators: name: Qin, Jieli
name: Zhou, Lu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: The interaction between atomic Bose-Einstein condensate (BEC) and light field in an optical ring cavity gives rise to many interesting phenomena such as supersolid and movable self-trapped matter wave packets. Here we examined the collision of two self-trapped atomic matter wave packets in an optical ring cavity, and abundant colliding phenomena have been found in the system. Depending on the magnitude of colliding velocity, the collision dynamics exhibit very different features compared with the cavity-free case. When the initial colliding velocities of the two wave packets are small, they correlatedly oscillate around their initial equilibrium positions with a small amplitude. Increasing the collision velocity leads to severe scattering of the BEC atoms; after the collision, the two self-trapped wave packets usually break into small pieces. Interestingly, we found that such a medium velocity collision is of great phase sensitivity, which may make the system useful in precision matter wave interferometry. When the colliding velocity is further increased, in the bad cavity limit, the two wave packets collide phenomenally similar to two classical particles -- they firstly approach each other, then separate with their shape virtually maintained. However, beyond the bad cavity limit, they experience severe spatial spreading.
Hierarchical models of high redshift galaxies with thermally pulsing asymptotic giant branch stars: comparison with observations
Creators: name: Tonini, Chiara
name: Maraston, Claudia
name: Thomas, Daniel
name: Devriendt, Julien
name: Silk, Joe
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: In a recent paper we presented the first semi-analytic model of galaxy formation in which the Thermally-Pulsing Asymptotic Giant Branch phase of stellar evolution has been fully implemented. Here we address the comparison with observations, and show how the TP-AGB recipe affects the performance of the model in reproducing the colours and near-IR luminosities of high-redshift galaxies. We find that the semi-analytic model with the TP-AGB better matches the colour-magnitude and colour-colour relations at z ~ 2, both for nearly-passive and for star-forming galaxies. The model with TP-AGB produces star-forming galaxies with red V-K colours, thus revising the unique interpretation of high-redshift red objects as 'red & dead'. We also show that without the TP-AGB the semi-analytic model fails at reproducing the observed colours, a situation that cannot be corrected by dust reddening. We also explore the effect of nebular emission on the predicted colour-magnitude relation of star-forming galaxies, to conclude that it does not play a significant role in reddening their colours, at least in the range of star-formation rates covered by the model. Finally, the rest-frame K-band luminosity function at z ~ 2.5 is more luminous by almost 1 magnitude. This indicates that the AGN feedback recipe that is adopted to regulate the high-mass end of the luminosity function should be sophisticated to take the effect of the stellar populations into account at high redshifts.
description: 10 pages, 8 figures; effects of nebular emission included; accepted for publication on MNRAS
Effectiveness of smearing and tetrahedron methods: best practices in DFT codes
Creators: name: Jorgensen, Jeremy J.
name: Hart, Gus L. W.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Density functional theory (DFT) codes are commonly treated as a "black box" in high-throughput screening of materials, with users opting for the default values of the input parameters. Often, non-experts may not sufficiently consider the effect of these parameters on prediction quality. In this work, we attempt to identify a robust set of parameters related to smearing and tetrahedron methods that return numerically accurate and efficient results for a wide variety of metallic systems. The effects of smearing and tetrahedron methods on the total energy, number of self-consistent field cycles, and forces on atoms are studied in two popular DFT codes: the Vienna Ab initio Simulation Package (VASP) and Quantum Espresso (QE). From nearly 40,000 computations, it is apparent that the optimal smearing depends on the system, smearing method, smearing parameter, and $k$-point density. The benefit of smearing is a minor reduction in the number of self-consistent field cycles, which is independent of the smearing method or parameter. A large smearing parameter -- what is considered large is system dependent -- leads to inaccurate total energies and forces. Blöchl's tetrahedron method leads to small improvements in total energies. When treating diverse systems with the same input parameters, we suggest using as little smearing as possible due to the system dependence of smearing and the risk of selecting a parameter that gives inaccurate energies and forces.
description: 15 pages, 17 figures
Matroid polytopes and their volumes
Creators: name: Ardila, Federico
name: Benedetti, Carolina
name: Doker, Jeffrey
Publisher: name: arXiv
Year: 2008
Subjects: subject: Combinatorics (math.CO)
subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We express the matroid polytope $P_M$ of a matroid $M$ as a signed Minkowski sum of simplices, and obtain a formula for the volume of $P_M$. This gives a combinatorial expression for the degree of an arbitrary torus orbit closure in the Grassmannian $Gr_{k,n}$. We then derive analogous results for the independent set polytope and the associated flag matroid polytope of $M$. Our proofs are based on a natural extension of Postnikov's theory of generalized permutohedra.
description: 15 pages, 2 figures. This version corrects a small error in the definition of generalized permutahedra and of Q-polytopes. All the theorems hold without modification
CIFRA National Survey: Uruguay August 2011
Creators: name: CIFRA, In Bogliaccini, Juan, And Queirolo Rosario Laboratorio De Opinión Pública And Redes Sociales En Uruguay Collection (Social Networks And Public Opinion Lab Collection)
Publisher: name: Roper Center for Public Opinion Research
Year: 2021

description: Main problems in Uruguay; health; education; housing; poverty; taxes; inflation; unemployment; global economic crisis; public safety/crime; prison conditions/INAU; drugs/drug trafficking; ineffective government; human rights/expiration; environmental pollution/mining; feeling toward political leaders; Tabaré Vazquez; Jorge Larrañaga; Pedro Bordaberry; Luis Alberto Heber; Danilo Astori; Luis Alberto Lacalle; José (Pepe) Mujica; party sympathies; National Party; Colorado Party; Frente Amplio (a leftist political coalition); Independent Party; affinity towards subdivisions of parties; President José Mujica job approval; Intendent job approval; municipal conditions compared to five years ago; sanitation; street lights; road conditions; better off than previous generation; Uruguay compared to rich countries; trust in political parties; foreign investors; Francisco Gallinal; José Amy; Jorge Saravia; Darío Pérez; José Carlos Cardoso; José Amorín; Luis Lacalle Pou; Aníbal Pereyra; Ana Lía Piñeyrúa; 2009 general election; vote for or against parties; vote for or against candidates; feel closer to current government or opposition. National Agency for Research and Innovation (ANII) Collection.
Analyse d'une pratique enseignante dans une démarche SoTL
Creators: name: Denis, Constance
name: Proust-Androwkha, Sonia
Publisher: name: Université de Sherbrooke
Year: 2025
Subjects: Pédagogie universitaire
SoTL
Scholarship of Teaching and Learning
Enseignement supérieur--Évaluation
Enseignement universitaire--Évaluation
Pédagogie universitaire--Évaluation

description: Carte conceptuelle initialement réalisée dans le cadre du chapitre Analyser sa pratique enseignante par Constance Denis et Sonia Proust-Androwkha à paraitre en juin 2025 au colloque de l’AQPC. Les questions sont proposées aux personnes qui souhaitent entamer une démarche d’analyse Scholarship of Teaching and Learning (SoTL). Les autrices proposent alors des questions visant une compréhension approfondie de la problématique ou des besoins, et ce, incluant les attentes, les objectifs ou les défis spécifiques au contexte.

Les questions portent spécifiquement sur le cœur du projet, le projet, l’activité pédagogique ou le programme, les personnes étudiantes, les personnes enseignantes, les autres parties prenantes, les ressources ainsi que le contexte élargi. Effectivement, cette analyse implique d'étudier les caractéristiques et attentes de tous les acteurs : personnes étudiantes et enseignantes. Pour les personnes étudiantes, il s'agit de dresser un profil détaillé incluant leur parcours, motivations, origines et besoins d'apprentissage. Pour les personnes enseignantes, cela implique d’examiner leur profil technologique, pédagogique, leurs valeurs professionnelles et leur expérience.

L'analyse s'étend aux autres parties prenantes, à l'activité pédagogique et à ses objectifs, en vérifiant la cohérence entre méthodes et finalités éducatives. Elle prend également en compte le contexte institutionnel, les cultures organisationnelles, les politiques internes et les orientations stratégiques. L'objectif final est de cartographier l'écosystème éducatif dans sa globalité, en identifiant ses ressources et ses dynamiques. Les autrices se sont inspirées du chapitre de Bélisle, Lison et Bédard (2016) ainsi que la recherche poursuivie à l’incubateur d’innovations pédagogiques (i2P) de l’Université de Sherbrooke.

Ce travail a été réalisé dans le cadre de la rédaction du chapitre Analyser sa pratique enseignante par Constance Denis et Sonia Proust-Androwkha, à paraitre en juin 2025 au colloque de l’AQPC.

Version HTML en ligne : https://www.canva.com/design/DAGdfjjncwo/8CgZTMs3kYaffU5Fyw0vIQ/view?utm_content=DAGdfjjncwo&utm_campaign=designshare&utm_medium=link&utm_source=publishsharelink&mode=preview
description: Ressources éducatives libres

REL

Open Educational Resources

OER
description: Discipline : Éducation

Format : Texte/HTML et Infographie

Type de la ressource : Objet d'apprentissage
Additional file 6 of DNA methylation and its effects on gene expression during primary to secondary growth in poplar stems
Creators: name: Zhang, Yang
name: Liu, Cong
name: Cheng, He
name: Tian, Shuanghui
name: Liu, Yingying
name: Wang, Shuang
name: Zhang, Huaxin
name: Saqib, Muhammad
name: Wei, Hairong
name: Wei, Zhigang
Publisher: name: figshare
Year: 2020
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 6. Comparison of mCs in CG, CHG, and CHH sequence contexts in three developmental stages: primary stems (PS), transitional stems (TS) and secondary stems (SS). The y-axis indicates the percentage of mC (%). The different letters on the top of the error bars indicate statistically significant differences between means at p < 0.05.
Letter from Kathleen Raine to Robin Skelton, [between 1952 and 1963]
Creators: name: Raine, Kathleen, 1908-2003
Publisher: name: University of Victoria Libraries
Year: 2023
Subjects: subject: Philosophy
valueUri: http://id.worldcat.org/fast/1060777
subject: FOS: Philosophy, ethics and religion
subject: Editors
valueUri: http://id.worldcat.org/fast/902475
subject: Literature, Modern
valueUri: http://id.worldcat.org/fast/1000172
subject: Skelton, Robin
valueUri: http://id.worldcat.org/fast/51853
subject: Wiccans
valueUri: http://id.worldcat.org/fast/1765210
subject: Neoplatonism
valueUri: http://id.worldcat.org/fast/1035884
subject: Platonists
valueUri: http://id.worldcat.org/fast/1066881
subject: Periodical editors
valueUri: http://id.worldcat.org/fast/1058064
subject: English poetry--Manuscripts
valueUri: http://id.worldcat.org/fast/912320
subject: Novelists
valueUri: http://id.worldcat.org/fast/1039684
subject: Book industries and trade
valueUri: http://id.worldcat.org/fast/836171
subject: Authors
valueUri: http://id.worldcat.org/fast/821688
subject: Periodicals--Publishing
valueUri: http://id.worldcat.org/fast/1058100
subject: Raine, Kathleen, 1908-2003
valueUri: http://id.worldcat.org/fast/52672
subject: Scholars
valueUri: http://id.worldcat.org/fast/1106878
subject: Novelists, English
valueUri: http://id.worldcat.org/fast/1039718
subject: Critics
valueUri: http://id.worldcat.org/fast/883769
subject: Poets
valueUri: http://id.worldcat.org/fast/1067778
subject: Authors, English
valueUri: http://id.worldcat.org/fast/821945
subject: Poets, English
valueUri: http://id.worldcat.org/fast/1067870

description: Part of a collection of correspondence from Kathleen Raine to Robin Skelton. Skelton was a British poet, academic, anthologist, and practicing Wiccan. He taught at Manchester University before emigrating to Canada in 1963, where he taught creative writing at the University of Victoria and started the literary magazine The Malahat Review. Also included are some letters to Skelton’s wife Sylvia, and his daughters. Spanning close to forty-five years, the correspondence discusses poetry, writing, and philosophy; particularly Platonism and Neoplatonism. Raine often refers to the writings of William Blake and W. B. Yeats. Many letters also mention contemporary literary figures at the time including: Herbert Read, Peter Russell, Liam Miller, and Thurairajah Tambimuttu. In this letter, Raine explains the story of some poems she has written with British writer Gavin Maxwell.
SYNTHESIS AND APPLICATION OF FLUORESCENTLY LABELED MONOCYCLIC THIO-ß-LACTAM DERIVITIVES
Creators: name: Schultz, Victor Leatherman
Publisher: name: ProQuest
Year: 2023
Subjects: classificationCode: 34
subject: Chemical sciences
subject: FOS: Chemical sciences

description: Novel methodologies for the synthesis of fluorescently labeled monobactam derivatives were developed and explored. Two separate ß-lactam derivatives, 4-(4 aminophenylthio)azetidin-2-one and 4-phenylsulflanyl-azetidin-2-one were labeled with several combinations of fluorophores and electron withdrawing groups allowing for these drugs to be observed within a living bacterial cell. Observation of the drugs in vivo will provide valuable information as to the structure activity relationship and exact mechanism of action of these compounds.
Additional file 1 of Association of body mass index and waist-to-height ratio with outcomes in ischemic stroke: results from the Third China National Stroke Registry
Creators: name: Li, Xiaolin
name: Xu, Qin
name: Wang, Anxin
name: Zheng, Pei
name: Zhu, Huimin
name: Guo, Ai
name: Meng, Xia
name: Jiang, Yong
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Physiology
subject: FOS: Biological sciences
subject: Chemical Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1: Table s1. Baseline characteristics comparison of patients with (n = 4805 ) and without (n = 9341 ) waist circumference measurements. Table s2. Age-stratified analysis of BMI and 1-year all-cause mortality. Table s3. Sex-stratified analysis of BMI and 1-year all-cause mortality. Table s4. Baseline characteristics and outcomes by BMI groups (BMI categories according to Chinese obesity working group). Table s5. Association of BMI with 1-year all-cause mortality in the entire cohort (BMI categories according to Chinese obesity working group).