cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Wind-accretion disks in wide binaries, second generation protoplanetary disks and accretion onto white dwarfs
Creators: name: Perets, Hagai B.
name: Kenyon, Scott J.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Mass transfer from an evolved donor star to its binary companion is a standard feature of stellar evolution in binaries. In wide binaries, the companion star captures some of the mass ejected in a wind by the primary star. The captured material forms an accretion disk. Here, we study the evolution of wind-accretion disks, using a numerical approach which allows us to follow the long term evolution. For a broad range of initial conditions, we derive the radial density and temperature profiles of the disk. In most cases, wind-accretion leads to long-lived stable disks over the lifetime of the AGB donor star. The disks have masses of a few times 10^{-5}-10^{-3} M_sun, with surface density and temperature profiles that follow broken power-laws. The total mass in the disk scales approximately linearly with the viscosity parameter used. Roughly 50% to 80% of the mass falling into the disk accretes onto the central star; the rest flows out through the outer edge of the disk into the stellar wind of the primary. For systems with large accretion rates, the secondary accretes as much as 0.1 M_sun. When the secondary is a white dwarf, accretion naturally leads to nova and supernova eruptions. For all types of secondary star, the surface density and temperature profiles of massive disks resemble structures observed in protoplanetary disks, suggesting that coordinated observational programs might improve our understanding of uncertain disk physics.
description: ApJ, in press. Some discussion on thermal instabilities, and different viscosities added
Revisiting the $Γ(K \to e ν)/Γ(K \to μν)$ ratio in supersymmetric unified models
Creators: name: Fonseca, R. M.
name: Romao, J. C.
name: Teixeira, A. M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: It has been pointed out that supersymmetric extensions of the Standard Model can induce significant changes to the theoretical prediction of the ratio $Γ(K\rightarrow eν)/Γ(K\rightarrowμν)\equiv R_{K}$, through lepton flavour violating couplings. In this work we carry out a full computation of all one-loop corrections to the relevant $ν\ell H^{+}$ vertex, and discuss the new contributions to $R_{K}$ arising in the context of different constrained (minimal supergravity inspired) models which succeed in accounting for neutrino data, further considering the possibility of accommodating a near future observation of a $μ\to eγ$ transition. We also re-evaluate the prospects for $R_{K}$ in the framework of unconstrained supersymmetric models. In all cases, we address the question of whether it is possible to saturate the current experimental sensitivity on $R_{K}$ while in agreement with the recent limits on $B$-meson decay observables (in particular BR($B_{s}\toμ^+μ^-$) and R($B_{u}\toτν$)), as well as BR($τ\to e γ$) and available collider constraints. Our findings reveal that in view of the recent bounds, and even when enhanced by effective sources of flavour violation in the right-handed $\tilde{e}-\tildeτ$ sector, constrained supersymmetric (seesaw) models typically provide excessively small contributions to $R_{K}$. Larger contributions can be found in more general settings, where the charged Higgs mass can be effectively lowered, and even further enhanced in the unconstrained MSSM. However, our analysis clearly shows that even in this last case SUSY contributions to $R_{K}$ are still unable to saturate the current experimental bounds on this observable, especially due to a strong tension with the $B_{u}\toτν$ bound.
description: Revised version reflects the published article. 26 pages, 7 Figures in Encapsulated Postscript
Stable comparison of multidimensional persistent homology groups with torsion
Creators: name: Frosini, Patrizio
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: MAT/03 Geometria

description: The present lack of a stable method to compare persistent homology groups with torsion is a relevant problem in current research about Persistent Homology and its applications in Pattern Recognition. In this paper we introduce a pseudo-distance d_T that represents a possible solution to this problem. Indeed, d_T is a pseudo-distance between multidimensional persistent homology groups with coefficients in an Abelian group, hence possibly having torsion. Our main theorem proves the stability of the new pseudo-distance with respect to the change of the filtering function, expressed both with respect to the max-norm and to the natural pseudo-distance between topological spaces endowed with vector-valued filtering functions. Furthermore, we prove a result showing the relationship between d_T and the matching distance in the 1-dimensional case, when the homology coefficients are taken in a field and hence the comparison can be made.
Predication and equation in Okanagan Salish : the syntax and semantics of determiner phrases
Creators: name: Lyon, John
Publisher: name: University of British Columbia
Year: 2014

description: This dissertation investigates the syntax and semantics of equative structures (i.e. DP-DP structures and clefts) in the little studied and highly endangered Upper Nicola dialect of Okanagan Salish (a.k.a. Nsyílxcən), and represents the first detailed investigation of equatives in a Salish language. From the theoretical perspective, Okanagan is noteworthy since there is no evidence for a predicational copula (contra Baker 2003, Adger & Ramchand 2003) while there is evidence for a null equative copula (Heycock & Kroch 1999), thereby supporting theories which argue for a structural distinction between predication and equation. Okanagan does not have an overt copula (A. Mattina 2001), yet does have sentences consisting only of two determiner phrases (DPs) (''DP-DP structures''). These exhibit a word order restriction which is absent from predications involving other syntactic categories, such that in answer to a WH-question, a directly referential demonstrative or proper name must precede a DP headed by the determiner iʔ (an ''iʔ DP''). The implication is that specificational sentences (Higgins 1973) are not possible in Okanagan. Given that iʔ DPs permit intensional readings, and that iʔ DPs never denote sets (Longobardi 1994, Matthewson 1998), I claim that the Okanagan equative head maps the intension of an individual to its extension, and is of type <,> (Romero 2005, Comorovski 2007). Since there are no specificational sentences in Okanagan, and the equivalent of Higgins' identificational sentence class (e.g. 'That is John' in English) pattern with copula-less, direct predications in Okanagan, the data support reducing Higgins' taxonomy to only two types for Okanagan: predicational and equative (Heller 2005). I claim that Okanagan clefts are also equative structures, based on evidence that clefts consist of two DPs and carry an implicature of exhaustivity (Davis et. al. 2004). This implicature stems from the maximality implicature carried by the determiner iʔ which introduces the second DP (i.e. the residue). My analysis runs parallel to theories of English clefts which align cleft semantics to the semantics of determiners (Percus 1997, Hedberg 2000).
CBS News/New York Times Poll: National Survey, September 1981
Creators: name: CBS News
name: New York Times
Publisher: name: Roper Center for Public Opinion Research
Year: 2021

description: President Ronald Reagan job performance (2); most/least liked aspects of Reagan's presidency (2); Reagan's handling of foreign policy (2); Reagan's handling of economy, federal budget (3); Reagan's delegation of authority (1); most important problem facing country (1); political party better able to handle problem (1); Reagan's ability to strengthen military defenses (1); trust in Reagan's decision making (4); Reagan caring about needs of poor people (1); most important economic problem (1); responsibility for economic problem (1); next year's budget (1); personal effect of Reagan's proposed budget cuts (1); preferences regarding balancing budget (5); personal effect of high interest rates (1); personal effect of Reagan's tax cuts (2); Reagan's handling of United States relations with the Soviet Union (1); factors in deciding which foreign countries to support (1); selling Airborne Warning And Control System (AWACS) to Saudi Arabia (1); influence of various countries on U.S. foreign policy (6); Secretary of State Alexander Haig favorability (1); Speaker of the House of Representatives Tip O'Neill favorability (1); Secretary of the Interior James Watt (1); importance of protecting environment (1); most important environmental problem (1); oil, natural gas drilling (2); air pollution laws (1); environmental laws/economic growth (1); union strikes (1); labor unions (1); prison crowding (2); baseball vs. football (1); family's financial situation (2); labor union membership (1).
Weak lensing of CMB by cosmic (super-)strings
Creators: name: Yamauchi, Daisuke
name: Takahashi, Keitaro
name: Sendouda, Yuuiti
name: Yoo, Chul-Moon
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the effect of weak lensing by cosmic (super-)strings on the anisotropies of cosmic microwave background (CMB). In developing a method to calculate the lensing convergence field due to strings, and thereby temperature and polarization angular power spectra of CMB, we clarify how the nature of strings, characterized by the intercommuting probability, can influence these CMB anisotropies. Assuming that the power spectrum is dominated by Poisson-distributed string segments, we find that the convergence spectrum peaks at low multipoles and is mostly contributed from strings located at relatively low redshifts. As the intercommuting probability decreases, the spectra of the convergence and hence the lensed temperature and polarizations are gained because the number density of string segments becomes larger. An observationally important feature of the string-induced CMB polarizations is that the string-lensed spectra decay more slowly on small scales compared with primordial scalar perturbations from standard inflation.
description: 11 pages, 8 figures; v2: references added, v3: accepted for publication in Physical Review D
Betti numbers in multidimensional persistent homology are stable functions
Creators: name: Cerri, Andrea
name: Di Fabio, Barbara
name: Ferri, Massimo
name: Frosini, Patrizio
name: Landi, Claudia
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2010
Subjects: MAT/03 Geometria

description: Multidimensional persistence mostly studies topological features of shapes by analyzing the lower level sets of vector-valued functions, called filtering functions.
As is well known, in the case of scalar-valued filtering functions, persistent homology groups can be studied through their persistent Betti numbers, i.e. the dimensions
of the images of the homomorphisms induced by the inclusions of lower level sets into each other. Whenever such inclusions exist for lower level sets of vector-valued
filtering functions, we can consider the multidimensional analogue of persistent Betti numbers. Varying the lower level sets, we get that persistent Betti numbers can be
seen as functions taking pairs of vectors to the set of non-negative integers. In this paper we prove stability of multidimensional persistent Betti numbers. More precisely,
we prove that small changes of the vector-valued filtering functions imply only small changes of persistent Betti numbers functions. This result can be obtained by assuming
the filtering functions to be just continuous. Multidimensional stability opens the way to a stable shape comparison methodology based on multidimensional persistence. In order to obtain our stability theorem, some other new results are proved for continuous filtering functions. They concern the finiteness of persistent Betti numbers for vector-valued filtering functions, and the representation via persistence diagrams of persistent Betti numbers, as well as their stability, in the case of scalar-valued filtering functions. Finally, from the stability of multidimensional persistent Betti numbers we obtain a lower bound for the natural pseudo-distance.
Lichniops Gutierrez 1946
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Lichniops

description: Lichniops Gutiérrez, 1946
[1 species].
Type species Lichniops barberoi Gutiérrez, 1946, by original designation.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 137, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Search for large extra dimensions in dimuon and dielectron events in pp collisions at sqrt(s) = 7 TeV
Creators: name: CMS Collaboration
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: Results are presented from a search for large, extra spatial dimensions in events with either two isolated muons or two isolated electrons. The data are from proton-proton interactions at sqrt(s) = 7 TeV collected with the CMS detector at the LHC. The size of the data sample corresponds to an integrated luminosity of approximately 2 inverse femtobarns. The observed dimuon and dielectron mass spectra are found to be consistent with standard-model expectations. Depending on the number of extra dimensions, the 95% confidence level limits from the combined dimuon and dielectron channels range from Ms > 2.4 TeV to Ms > 3.8 TeV, where Ms characterizes the scale for the onset of quantum gravity.
description: Submitted to Physics Letters B
Equivalent-voltage description of low-frequency dispersive effects in large-signal fet models
Creators: name: Santarelli, A.
name: Zucchelli, G.
name: Paganelli, R.
name: Vannini, G.
name: Filicori, F.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: The paper introduces a simple and efficient approach for the modelling of low-frequency dispersive phenomena in FETs. It is based on the definition of a virtual, non-dispersive associated device controlled by equivalent port voltages and it is suitable for modelling based on standard nonlinear dynamic approaches, such as lumped-element equivalent circuits. The proposed approach is justified on the basis of a physically-consistent, charge-controlled description of the device, but the results are general and provide a valuable tool for taking into account dispersive effects in FETs by means of an intuitive circuit solution, in the framework of any existing nonlinear dynamic model of the associated non-dispersive device. The new equivalent-voltage description, identified on the basis of conventional measurements carried out under static and small-signal dynamic operating conditions, allows for the accurate prediction of dispersive effects above the frequency cut-off, but the formulation is still compatible, without for al modification, for the modelling of the device behaviour under signal excitations having spectral components in the dispersive low-frequency range. Preliminary results are presented which conferm the validity of the proposed approach.
Hamming weights and Betti numbers of Stanley-Reisner rings associated to matroids
Creators: name: Johnsen, Trygve
name: Verdure, Hugues
Publisher: name: arXiv
Year: 2011
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 2010: 05E45 (Primary) 94B05, 05B35, 13F55 (Secondary)

description: To each linear code over a finite field we associate the matroid of its parity check matrix. We show to what extent one can determine the generalized Hamming weights of the code (or defined for a matroid in general) from various sets of Betti numbers of Stanley-Reisner rings of simplicial complexes associated to the matroid.
Near-deterministic quantum teleportation and resource-efficient quantum computation using linear optics and hybrid qubits
Creators: name: Lee, Seung-Woo
name: Jeong, Hyunseok
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a scheme to realize deterministic quantum teleportation using linear optics and hybrid qubits. It enables one to efficiently perform teleportation and universal linear-optical gate operations in a simple and near-deterministic manner using all-optical hybrid entanglement as off-line resources. Our analysis shows that our new approach can outperforms major previous ones when considering both the resource requirements and fault tolerance limits.
description: 10 pages, 5 figures; extended version, title, abstract and figures changed, details added, to be published in Phys. Rev. A
The triple evolution dynamical instability: Stellar collisions in the field and the formation of exotic binaries
Creators: name: Perets, Hagai B.
name: Kratter, Kaitlin M.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Physical collisions and close approaches between stars play an important role in the formation of exotic stellar systems. Standard theories suggest that collisions are rare, occurring only via random encounters between stars in dense clusters. We present a different formation pathway, the triple evolution dynamical instability (TEDI), in which mass loss in an evolving triple star system causes orbital instability. The subsequent chaotic orbital evolution of the stars triggers close encounters, collisions, exchanges between the stellar components, and the dynamical formation of eccentric compact binaries (including Sirius like binaries). We demonstrate that the rate of stellar collisions due to the TEDI is approximately 10^{-4} yr^{-1} per Milky-Way Galaxy, which is nearly 30 times higher than the total collision rate due to random encounters in the Galactic globular clusters. Moreover, we find that the dominant type of stellar collisions is qualitatively different; most collisions involve asymptotic giant branch stars, rather than main sequence, or slightly evolved stars, which dominate collisions in globular clusters. The TEDI mechanism should lead us to revise our understanding of collisions and the formation of compact, eccentric binaries in the field.
description: Restructured; now matching published ApJ version
RF Power performance of passivated ALGAN/GAN hfets grown on sic and sapphire
Creators: name: Leier, H.
name: Wieszt, A.
name: Behtash, R.
name: Tobler, H.
name: Vescan, A.
name: Dietrich, R.
name: Schurr, A.
name: Sledzik, H.
name: Birbeck, JCH.
name: Balmer, R. S.
name: Martin, T.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: We have analysed the impact of SiN surface passivation on the performance of undoped (piezo) AlGaN/GaN HFETs grown on SiC and sapphire. Though there is little change after passivation in carrier concentration and mobility as evidenced by Hall measurements the RF power performance is significantly improved leading to state of the art power densities of up to 6.5 Watt/mm at 10GHz and absolute power of 6.6 Watt cw for a 1.2mm piezo device on SiC substrate.
Additional file 3 of iTRAQ-based quantitative proteomic analysis of peripheral blood serum in piglets infected with Actinobacillus pleuropneumoniae
Creators: name: Zhu, Rining
name: Bao, Chuntong
name: Liu, Baijun
name: Xiao, Jiameng
name: Sun, Changjiang
name: Feng, Xin
name: Langford, P. R.
name: Li, Yang
name: Lei, Liancheng
Publisher: name: figshare
Year: 2020
Subjects: subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 3: Table. S3. Representative up-regulated proteins in the serum of the “S120-Vs-S24” stage with a 2.0-fold change.
Hemt structures and technology on GAAS and inp for power amplification in millimetre wave range
Creators: name: Théron, D.
name: Cordier, Y.
name: Wallart, X.
name: Bollaert, S.
name: Zaknoune, M.
name: Boudrissa, M.
name: Bonte, B.
name: Gaquière, C.
name: Rousseau, M.
name: Dessenne, F.
name: Mollot, F.
name: Cappy, A.
name: Fauquembergue, R.
name: De Jaeger, J.C.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: The paper introduces a simple and efficient approach for the modelling of low-frequency dispersive phenomena in FETs. It is based on the definition of a virtual, non-dispersive associated device controlled by equivalent port voltages and it is suitable for modelling based on standard nonlinear dynamic approaches, such as lumped-element equivalent circuits. The proposed approach is justified on the basis of a physically-consistent, charge-controlled description of the device, but the results are general and provide a valuable tool for taking into account dispersive effects in FETs by means of an intuitive circuit solution, in the framework of any existing nonlinear dynamic model of the associated non-dispersive device. The new equivalent-voltage description, identified on the basis of conventional measurements carried out under static and small-signal dynamic operating conditions, allows for the accurate prediction of dispersive effects above the frequency cut-off, but the formulation is still compatible, without for al modification, for the modelling of the device behaviour under signal excitations having spectral components in the dispersive low-frequency range. Preliminary results are presented which conferm the validity of the proposed approach.
Additional file 4 of iTRAQ-based quantitative proteomic analysis of peripheral blood serum in piglets infected with Actinobacillus pleuropneumoniae
Creators: name: Zhu, Rining
name: Bao, Chuntong
name: Liu, Baijun
name: Xiao, Jiameng
name: Sun, Changjiang
name: Feng, Xin
name: Langford, P. R.
name: Li, Yang
name: Lei, Liancheng
Publisher: name: figshare
Year: 2020
Subjects: subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 4: Table. S4. Representative down-regulated proteins in the serum of the “S24-Vs-S0” stage with a 2.0-fold change.
High power HBT technologies : present and trends
Creators: name: Floriot, D.
name: Delage, S. L.
name: Piotrowicz, S.
name: Chartier, E.
name: Auxemery, P.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: The HBT technology is now mature and offers a great variety of RF products for telecom applications, specially power amplifiers for which a high level of linearity is requested. The reliability has been the limiting factor in the supplying of high power amplifiers and nowadays only medium HPA are available in catalogue. Also, regarding the huge quantities of papers published in the mid 90s relating the interest of this technology for high PAE / Power, very few of the competitors have been successful. In Europe, open foundry services are available through UMS for high power applications ranging up to Ku band. New advances in term of thermal management / electrical behaviour and topology have been pushed ahead tending towards the limit of high power density. An improved version is underway to set up a doubling of the output power by cell (2.5W in X- Band). To address the market of the base stations, very high power transistors have been designed. Also, the Collector-Up DHBT offer potential improvement in term o high power at high frequency (1W at 40 GHz).
Energy Requirement of Control: Comments on Szilard's Engine and Maxwell's Demon
Creators: name: Kish, Laszlo B.
name: Granqvist, Claes G.
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Physics (physics.gen-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In mathematical physical analyses of Szilard's engine and Maxwell's demon, a general assumption (explicit or implicit) is that one can neglect the energy needed for relocating the piston in Szilard's engine and for driving the trap door in Maxwell's demon. If this basic assumption is wrong, then the conclusions of a vast literature on the implications of the Second Law of Thermodynamics and of Landauer's erasure theorem are incorrect too. Our analyses of the fundamental information physical aspects of various type of control within Szilard's engine and Maxwell's demon indicate that the entropy production due to the necessary generation of information yield much greater energy dissipation than the energy Szilard's engine is able to produce even if all sources of dissipation in the rest of these demons (due to measurement, decision, memory, etc) are neglected.
description: New, simpler and more fundamental approach utilizing the physical meaning of control-information and the related entropy production. Criticism of recent experiments added
High Power LDMOS technology for wireless infrastructure
Creators: name: Litwin, A.
name: Chen, Q.
name: Johansson, J.
name: Ma, G.
name: Olofsson, L-A.
name: Perugupalli, P.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: The progress in wideband cellular systems was followed by the development of the necessary transistor technology. This contribution describes microwave LDMOS transistors used in RBS (Radio Base Station) amplifiers. We discuss the issues of the manufacturing process, packaging, reliability, RF performance and models necessary for successful devices for 3G systems at 2.1 - 2.2 GHz.
Novel compact double balanced coplanar active mixer Application to a single chip MMIC receiver for satellite repeater
Creators: name: Villemazet, JF.
name: Rogeaux, E.
name: Roques, D.
name: Cayrou, Jean-Christophe
name: Cogo, B.
name: Solulard, M.
name: Cazaux, Jean-Louis
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: This paper proposes a new compact double balanced coplanar mixer suitable for satellite repeaters. Compared to the present 14/12GHz satellite mixers, its size is divided by 3 and it provides 2dB gain instead of the classical 10dB loss. This mixer was successfully integrated with 4 other functions in a single chip receiver MMIC.
Additional file 2 of iTRAQ-based quantitative proteomic analysis of peripheral blood serum in piglets infected with Actinobacillus pleuropneumoniae
Creators: name: Zhu, Rining
name: Bao, Chuntong
name: Liu, Baijun
name: Xiao, Jiameng
name: Sun, Changjiang
name: Feng, Xin
name: Langford, P. R.
name: Li, Yang
name: Lei, Liancheng
Publisher: name: figshare
Year: 2020
Subjects: subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 2: Table. S2. Representative up-regulated proteins in the serum of the “S120-Vs-S0” stage with a 2.0-fold change.
High dynamic range MMIC converters for LMDS applications
Creators: name: Virk, Robinder S.
name: Bos, Thomas A.
name: Camargo, E.
name: Hasegawa, Yuichi
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: This paper describes the design and performance of high dynamic range MMIC up- and down-converters fabricated in a 0.25- µm PHEMT process. The measured up-converter provides 6 to 8 dB conversion loss in the band from 22 to 34 GHz, where fIF = 1 GHz and PLO = +16 dBm. A two-tone, 3 rd -order intermodulation suppression of –50 dBc was measured at Pout = -6 dBm per tone for the up-converter and Pin = -4 dBm per tone for the down-converter, where each chip consumes a mere 1.5 x 1.8 mm 2 . These levels of performance make these chips very attractive for LMDS applications where linearity is critical to system implementation.
A 60 GHz double balanced sub-harmonic mixer MMIC
Creators: name: Zelley, C. A.
name: Barnes, A. R.
name: Ashcroft, R. W.
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: We present the design and measured results for a 60 GHz double balanced sub-harmonic MMIC mixer fabricated using the TRW 0.15mm gate length GaAs pHEMT foundry process. The sub-harmonic mixer architecture eliminates the need for costly mm-wave sources that are usually required with conventional fundamental frequency mixers. The mixer has been integrated into a coaxial package and a measured conversion loss of less than 10 dB across the 53 GHz to 60 GHz frequency band has been obtained. This conversion loss is believed to be approximately 2 dB better than previously published results.
Transverse Momentum Transfer in Atom-Light Scattering
Creators: name: Van Tiggelen, Bart
name: Rikken, Geert L. J. A.
name: Nussle, Andreas
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: Atomic Physics (physics.atom-ph)
subject: FOS: Physical sciences

description: We predict a photon Hall effect in the optical cross-section of atomic hydrogen, which is caused by the interference between an electric quadrupole transition and an electric dipole transition from the ground state to $3D_{3/2}$ and $3P_{3/2}$. This induces a magneto-transverse acceleration comparable to a fraction of $g$. In atoms with a two level electric dipole transition, a much smaller transverse force is generated only when the atom is moving.
Lichniopsoides Martinez 1953
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Lichniopsoides

description: Lichniopsoides Martinez, 1953
[1 species].
Type species Lichniopsoides breyeri Martinez, 1953, by original designation.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 137, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Cost-Effective 60-GHz Modules with Phase-Noise of -110dBc/Hz at 100KHz Offset using Novel Self-Heterodyne Scheme
Creators: name: Nakano, Hiroshi
name: Yamawaki, Hiromoto
name: Hirachi, Yasutake
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2001
Subjects: ING-INF/01 Elettronica

description: Abstract – A novel self-heterodyne scheme was proposed, which transmitted both the RF1 and an additional carrier RF2 produced by an additional single-tone IF2. The feature of this scheme is that the frequency-fluctuation and the phase-noise generated in the local-oscillator of the transmitter can be eliminated, because the RF1 and the RF2 have both the frequency-fluctuation and the phase-noise in phase. It was reported that cost-effective 60-GHz modules with this scheme applied exhibited the phase-noise of -110 dBc/Hz at 100 kHz off-carrier frequency.
Analytic smoothing effect for the Schrodinger equation 
with long-range perturbation
Creators: name: Martinez, Andre'
name: Nakamura, Shu
name: Sordoni, Vania
Publisher: name: Alma Mater Studiorum - Università di Bologna
Year: 2005
Subjects: MAT/07 Fisica matematica
MAT/05 Analisi matematica

description: We study microlocal analytic singularity of solutions to 
Schr\"odinger equation with analytic coefficients. 
Using microlocal weight estimate developped for estimating 
the phase space tunneling, we prove microlocal smoothing 
estimates that generalize results by L. Robbiano and C. Zuily.
We suppose the Schr\"odinger operator is a long-range type perturbation of the Laplacian, and we employ positive commutator 
type estimates to prove the smoothing property.
Process engineering, characterization and self-healing assessment ot toughened calcium phosphate silicate composite bone cements
Creators: name: Goudarzi, Azadeh
Publisher: name: University of British Columbia
Year: 2014

description: Self-healing, the ability to repair defects without external assistance, is one of the most magnificent characteristics of natural tissues. Achieving similar characteristics in biomaterials substituting natural tissues is highly desirable. As ceramic bone cements are designed to substitute bone tissues, the knowledge of their self-healing processes and characteristics is of vital importance for the advancement of bioceramics in orthopedic applications. In this work we have studied self-healing mechanisms of polyvinyl alcohol (PVA) fiber toughened Tri-Calcium Silicate (C₃S) cements, with and without calcium phosphate additions. The C₃S-PVA samples were partially fractured in three-point-bending, and then soaked in Simulated Body Fluid (SBF) for 7 days at 37°C. The variations in the morphology and width of the healed cracks were tracked by optical and electron microscopy. Chemical composition and phase analysis were determined using EDX, XRD and FTIR. The energy absorbed before the failure of C₃S-PVA samples, determined through the area under load-displacement curves, was nearly two orders of magnitudes higher than the pure C₃S samples. Most of the cracks in the previously fractured C₃S-PVA samples soaked in SBF were visually eliminated in 7 days, also resulting in partial restoration of their load-carrying capacity. Based on the EDX, XRD and FTIR results, a healing mechanism was proposed, including preferential precipitation of calcium phosphates and calcium carbonate phases within the cracks. The same healing treatment was applied to the new composite cement, wherein the C₃S matrix included 10wt% of Mono Calcium Phosphate (MCP) for improved cement biocompatibility and bioactivity. The toughness of C₃S-10MCP-PVA samples was also almost two orders of magnitudes higher than the pure C₃S-10MCP. C₃S- 10MCP-PVA samples had higher damage tolerance (deflection at maximum load) than C₃S-PVA samples. Self-healing studies of the C₃S-10MCP-PVA showed better restoration of the load_carrying capacity than C₃S-PVA. Such evidence emphasizes the effective role of calcium phosphate in the healing process of the toughened bioceramic cements. While such successful SBF-induced healing does not guarantee similar mechanisms operating in vivo, this pioneering research opens up avenues for further improvements of the cementitious ceramic composites in medical applications, as well as in broader engineering applications, e.g. in construction industry.
Exploring complex networks by means of adaptive walkers
Creators: name: Prignano, Luce
name: Moreno, Yamir
name: Diaz-Guilera, Albert
Publisher: name: arXiv
Year: 2012
Subjects: subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Social and Information Networks (cs.SI)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: Finding efficient algorithms to explore large networks with the aim of recovering information about their structure is an open problem. Here, we investigate this challenge by proposing a model in which random walkers with previously assigned home nodes navigate through the network during a fixed amount of time. We consider that the exploration is successful if the walker gets the information gathered back home, otherwise, no data is retrieved. Consequently, at each time step, the walkers, with some probability, have the choice to either go backward approaching their home or go farther away. We show that there is an optimal solution to this problem in terms of the average information retrieved and the degree of the home nodes and design an adaptive strategy based on the behavior of the random walker. Finally, we compare different strategies that emerge from the model in the context of network reconstruction. Our results could be useful for the discovery of unknown connections in large scale networks.
description: 10 pages, 10 figures
Limepomera Lacroix 1999
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Limepomera

description: Limepomera Lacroix, 1999b
[1 species].
Type species Pimelomera quadridens Burgeon, 1946, by original designation.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 137, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
Spontaneous Magnon Decays
Creators: name: Zhitomirsky, M. E.
name: Chernyshev, A. L.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: A theoretical overview of the phenomenon of spontaneous magnon decays in quantum antiferromagnets is presented. The intrinsic zero-temperature damping of magnons in quantum spin systems is a fascinating many-body effect, which has recently attracted significant attention in view of its possible observation in neutron-scattering experiments. An introduction to the theory of magnon interactions and a discussion of necessary symmetry and kinematic conditions for spontaneous decays are provided. Various parallels with the decays of anharmonic phonons and excitations in superfluid 4He are extensively used. Three principal cases of spontaneous magnon decays are considered: field-induced decays in Heisenberg antiferromagnets, zero-field decays in spiral antiferromagnets, and triplon decays in quantum-disordered magnets. Analytical results are compared with available numerical data and prospective materials for experimental observation of the decay-related effects are briefly discussed.
description: v3.0, asymptotically close to the published version
Additional file 1 of NCSTN promotes hepatocellular carcinoma cell growth and metastasis via β-catenin activation in a Notch1/AKT dependent manner
Creators: name: Li, Hui
name: Lan, Tian
name: Xu, Lin
name: Liu, Hailing
name: Wang, Jinju
name: Li, Jiaxin
name: Chen, Xiangzheng
name: Huang, Jiwei
name: Li, Xuefeng
name: Yuan, Kefei
name: Zeng, Yong
name: Wu, Hong
Publisher: name: figshare
Year: 2020
Subjects: Biochemistry
Medicine
Cell Biology
Molecular Biology
Chemical Sciences not elsewhere classified
Science Policy
Developmental Biology
Cancer

description: Additional file 1: Table S1. Primary antibodies used in this study. Table S2. Primers used in this study. Table S3. Sequences of siRNA and shRNA used in this study.
title: "Propheten" und "Humanisten" - Sciences Humaines-Konjunktur und intellektuelles Feld in Frankreich (1960-1980) in der struktural-pragmatischen Diskursanalyse
title: The conjoncture of the sciences humaines and the intellectual field in France (1960-1980) in structural-pragmatic discourse analysis
titleType: AlternativeTitle
Creators: name: Angermüller, Johannes
Publisher: name: Universitätsbibliothek
Year: 2003
Subjects: subject: Frankreich
subject: Poststrukturalismus
subject: Diskursanalyse
subject: Geschichte 1960-1980
subject: Hochschulschrift
subject: Online-Publikation
subject: 149

description: In den 1960er und 1970er Jahren durchläuft das intellektuelle Feld in Frankreich einen grundlegenden Wandel, der eine Reihe von sich rasch abwechselnden Theorien und Tendenzen nachsichzieht. Der hegemoniale Erfolg von "Meisterdenkern" wie Lacan, Althusser und Foucault kann auf eine Verbindung verschiedener Faktoren zurückgeführt werden: die schnelle Ausweitung des akademischen Felds, die Krise des freischaffenden Künstlers und Privatgelehrten und die zunehmende Rolle gewisser "peripherer Institutionen" (ENS, EHESS, Collège de France). Um einen gegebenen Diskurs nicht auf eine vorgegebene Realität zu reduzieren, zielt diese Dissertation auf eine Öffnung der Bourdieu'schen Feldtheorie für eine struktural-pragmatische Diskurstheorie, die die Kontingenz der Artikulation von Struktur und diskursivem Geschehnis betont. Die Analyse von Werken und Karrieren bestimmter Produzenten (wie Derrida, Barthes, Tel Quel) wird zeigen, wie die Produzenten intellektuelle Hegemonien artikulieren und sich gegen ihre Konkurrenten positionieren.
Salix sanger sequencing data in ab1 type
Creators: name: Ren, Yifan
Publisher: name: figshare
Year: 2021
Subjects: subject: 60408 Genomics
subject: FOS: Biological sciences

description:  Sanger sequencing data for BR-m mutation sites' verification
#MonocloneSanger sequencing data of monoclonal PCR product for 7 BR-m mutations sites in ab1 type.

#PCRSanger sequencing data of 12 BR-m mutations sites in ab1 type.
Longicrura Frey 1974
Creators: name: Allsopp, Peter G.
name: Schoolmeesters, Paul
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Scarabaeidae
Longicrura

description: Longicrura Frey, 1974a
[1 species].
Type species Longicrura fusca Frey, 1974, by monotypy.
description: Published as part of Allsopp, Peter G. & Schoolmeesters, Paul, 2024, All genera of the world: Subfamilies Prototroginae, Cretoscarabaeinae, Dynamopodinae, Electrorubesopsinae, Phaenomeridinae, Orphninae, Allidiostomatinae, Aclopinae, Lichniinae, Melolonthinae, Oncerinae, Podolasiinae, Sericinae, Sericoidinae (Animalia: Arthropoda: Insecta: Coleoptera: Scarabaeidae), pp. 104-175 in Megataxa 12 (1) on page 137, DOI: 10.11646/megataxa.12.1.2, http://zenodo.org/record/14984437
The role of time in relational quantum theories
Creators: name: Gryb, Sean
name: Thebault, Karim
Publisher: name: arXiv
Year: 2011
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We propose a solution to the problem of time for systems with a single global Hamiltonian constraint. Our solution stems from the observation that, for these theories, conventional gauge theory methods fail to capture the full classical dynamics of the system and must therefore be deemed inappropriate. We propose a new strategy for consistently quantizing systems with a relational notion of time that does capture the full classical dynamics of the system and allows for evolution parametrized by an equitable internal clock. This proposal contains the minimal temporal structure necessary to retain the ordering of events required to describe classical evolution. In the context of Shape Dynamics (an equivalent formulation of general relativity that is locally scale invariant and free of the local problem of time) our proposal can be shown to constitute a natural methodology for describing dynamical evolution in quantum gravity and to lead to a quantum theory analogous to the Dirac quantization of unimodular gravity.
description: 22 pages, 2 figures, section on gravity added, published version (accepted by Found of Phys)
Bipartite graphs related to mutually disjoint S-permutation matrices
Creators: name: Yordzhev, Krasimir
Publisher: name: arXiv
Year: 2012
Subjects: subject: Combinatorics (math.CO)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 05C30, 05B20, 05C50

description: Some numerical characteristics of bipartite graphs in relation to the problem of finding all disjoint pairs of S-permutation matrices in the general $n^2 \times n^2$ case are discussed in this paper. All bipartite graphs of the type $g=$, where $|R_g |=|C_g |=2$ or $|R_g |=|C_g |=3$ are provided. The cardinality of the sets of mutually disjoint S-permutation matrices in both the $4 \times 4$ and $9 \times 9$ cases are calculated.
description: 18 pages, 13 figures. arXiv admin note: text overlap with arXiv:1211.1628
Food security and nutritional status in fishing communities in Bolivia's Northern Amazon : results of a household survey
Creators: name: Baker-French, Sophia
Publisher: name: University of British Columbia
Year: 2014

description: Background: Bolivia faces both under and over nutrition. Fishing communities are thought to be at particularly high risk of malnutrition; however, their household food security and nutrition status is unknown. Objective: To examine the prevalence and correlates of household food insecurity, childhood stunting and maternal overweight in fisher populations in Bolivia’s Northern Amazon Basin. Methods: A cross-sectional survey was conducted among 304 urban and 327 rural households with a head female of child bearing age (15-49 years) during the low water (October-November) and 186 urban and 297 rural households during the high water (February-March) seasons. Household food insecurity was measured with the Household Food Insecurity Access Scale, Household Hunger Scale and the Household Dietary Diversity Score. Demographic, socioeconomic and other relevant data were collected. Weight and height were measured for children (<60 months) and their mothers. Results: 45% of urban and 69% of rural households were food insecure. Only 9% of urban and 13% of rural households reported hunger. The average dietary diversity score was nine and seven out of 12 among the urban and rural groups respectively. For both groups, significantly fewer households were food insecure during the high versus low water season (urban P=0.01 and rural P=0.03). Over 34% of urban and 42% of rural children were stunted and 57% of urban and 46% of rural women were overweight/obese. No significant associations were found between food insecurity and childhood stunting or maternal obesity or between childhood stunting and maternal obesity. Independent correlates of household food insecurity included unemployment and consuming wild meat for both populations as well as receiving food assistance and having inadequate floor materials for the urban population and being Indigenous and having more household members for the rural population. The household survey identified inappropriate dietary intake, unhealthy environments and high rates of diarrhea in both populations, which may contribute stunting. Maternal overweight/obesity was associated with older age and some socioeconomic variables. Conclusion: Household food insecurity, childhood stunting and maternal overweight are highly prevalent, but not significantly associated. It is questionable whether improving household food insecurity alone would eliminate childhood stunting or maternal obesity.
Additional file 1 of iTRAQ-based quantitative proteomic analysis of peripheral blood serum in piglets infected with Actinobacillus pleuropneumoniae
Creators: name: Zhu, Rining
name: Bao, Chuntong
name: Liu, Baijun
name: Xiao, Jiameng
name: Sun, Changjiang
name: Feng, Xin
name: Langford, P. R.
name: Li, Yang
name: Lei, Liancheng
Publisher: name: figshare
Year: 2020
Subjects: subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 1: Table. S1. Representative up-regulated proteins in the serum of the “S24-Vs-S0” stage with a 2.0-fold change.