cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Phytotoxic metabolites produced by Diaporthe eres involved in cane blight of grapevine in Italy
Creators: name: Reveglia, Pierlugi
name: Pacetti, Andrea
name: Masi, Marco
name: Cimmino, Alessio
name: Carella, Giuseppe
name: Marchi, Guido
name: Mugnai, Laura
name: Evidente, Antonio
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Plant Biology

description: Grapevine trunk diseases (GTDs) are one of the most serious biotic stresses affecting this important crop. Among them a range of diseases were identified and associated to a plethora of phytopathogenic fungi, including species of Diaporthe. Diaporthe eres was recently identified as one of the species involved in cane blight of grapevine. The ability of a strain of this fungus isolated from infected grapevine plant in Italy to produce in vitro phytotoxic metabolites was investigated. Five phytotoxic metabolites were identified by their physical and spectroscopic properties as 4-hydroxybenzaldehyde, 4-hydroxybenzoic acid, nectriapyrone, p-cresol and tyrosol. When tested on grapevine leaf disks and by leaf absorption, 4-hydroxybenzoic acid induced symptoms on both disks and leaves, 4-hydroxybenzaldehyde and p-cresol showed, respectively, phytotoxicity on leaf disks and on the leaf absorption bioassay.
Reference transcriptome and predicted peptides
Creators: name: Posadas, Niño
name: Ravelo, Stephanie Faith
name: Conaco, Cecilia
Publisher: name: figshare
Year: 2022
Subjects: Marine Biology

description: Trimmed reads were assembled using Trinity v2.8.5. Coding regions within the transcripts were identified using TransDecoder v5.5.0.
Pulsar timing array observations of gravitational wave source timing parallax
Creators: name: Deng, Xihao
name: Finn, Lee Samuel
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Pulsar timing arrays act to detect gravitational waves by observing the small, correlated effect the waves have on pulse arrival times at Earth. This effect has conventionally been evaluated assuming the gravitational wave phasefronts are planar across the array, an assumption that is valid only for sources at distances $R\gg2πL^2/λ$, where $L$ is physical extent of the array and $λ$ the radiation wavelength. In the case of pulsar timing arrays (PTAs) the array size is of order the pulsar-Earth distance (kpc) and $λ$ is of order pc. Correspondingly, for point gravitational wave sources closer than $\sim100$~Mpc the PTA response is sensitive to the source parallax across the pulsar-Earth baseline. Here we evaluate the PTA response to gravitational wave point sources including the important wavefront curvature effects. Taking the wavefront curvature into account the relative amplitude and phase of the timing residuals associated with a collection of pulsars allows us to measure the distance to, and sky position of, the source.
description: 11 pages, 2 figures, submitted to MNRAS
Harmonic oscillations and their switching in elliptical optical waveguide arrays
Creators: name: Zheng, Ming Jie
name: Chan, Yun San
name: Yu, Kin Wah
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We have studied harmonic oscillations in an elliptical optical waveguide array in which the coupling between neighboring waveguides is varied in accord with a Kac matrix so that the propagation constant eigenvalues can take equally spaced values. As a result, long-living Bloch oscillation (BO) and dipole oscillation (DO) are obtained when a linear gradient in the propagation constant is applied. Moreover, we achieve a switching from DO to BO or vice versa by ramping up the gradient profile. The various optical oscillations as well as their switching are investigated by field evolution analysis and confirmed by Hamiltonian optics. The equally spaced eigenvalues in the propagation constant allow viable applications in transmitting images, switching and routing of optical signals.
description: 14 pages, 5 figures
The shifted Wave equation on non flat harmonic manifolds
Creators: name: Brammen, Oliver
Publisher: name: arXiv
Year: 2023
Subjects: subject: Differential Geometry (math.DG)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: We solve the shifted wave equation \begin{align*} \frac{\partial^2}{\partial t^2}φ(x,t)=(Δ_x+ρ^2)φ(x,t) \end{align*} on a non compact simply connected harmonic manifold with mean curvature of the horospheres $2ρ>0$. We give an explicit representation of the solution as the inverse dual Abel transform of the spherical means of there initial conditions using the local injectivity of the Abel transform and symmetry properties of the spherical mean value operator. Furthermore we investigate the wave equation using the Fourier transform on harmonic manifolds of rank one. Additionally we show an analogous of the classical Paley-Wiener theorem and use it to show an asymptotic Huygens principle as well as asymptotic equidistribution of the energy of a solution of the shifted wave equation under assumptions on the $\mathbf{c}$-function.
description: 48 pages, part of Phd. thesis. Comments welcome
Entanglement and teleportation via chaotic system
Creators: name: Metwally, N.
name: Chotorlishvili, L.
name: Skrinnikov, V.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: The dynamics of entangled state interacting with a single cavity mode is investigated in the presence of a random parameter. We have shown that degree of entanglement decays with time and rate of decay is defined by features of random parameter. Quantum teleportation through dissipative channal and teleportation fidelity as a function of damping rates has been studied. The sensitivity of the fidelity with respect to random parameter is discussed. We have evaluated the time interval during which one can perform the quantum teleportation and send the information with reasonable fidelity, for a given values of correlation length of random parameter.
description: Accepted in Physica A
Enhanced spontaneous emission from nanodiamond colour centres on opal photonic crystal
Creators: name: Inam, Faraz A
name: Gaebel, Torsten
name: Bradac, Carlo
name: Stewart, Luke
name: Withford, Michael J
name: Dawes, Judith M
name: Rabeau, James R
name: Steel, Michael J
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Colour centres in diamond are promising candidates as a platform for quantum technologies and biomedical imaging based on spins and/or photons. Controlling the emission properties of colour centres in diamond is a key requirement for developing efficient single photon sources with high collection efficiency. A number of groups have produced enhancement in the emission rate over narrow wavelength ranges by coupling single emitters in nanodiamond crystals to resonant electromagnetic structures. Here we characterise in detail the spontaneous emission rates of nitrogen-vacancy centres positioned in various locations on a structured substrate. We show an average factor of 1.5 enhancement of the total emission rate when nanodiamonds are on an opal photonic crystal surface, and observe changes in the lifetime distribution. We present a model to explain these observations and associate the lifetime properties with dipole orientation and polarization effects.
description: 16 pages, 10 figures
The Space Interferometry Mission Astrometric Grid Giant-Star Survey. III. Basic Stellar Parameters for an Extended Sample
Creators: name: Bizyaev, Dmitry
name: Smith, Verne V.
name: Cunha, Katia
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present results of high resolution (~ 55000) spectral observations of 830 photometrically pre-selected candidate red giants in the magnitude range of V = 9-12. We develop a pipeline for automated determination of the stellar atmospheric parameters from these spectra and estimate T_eff, logg, [Fe/H], microturbulence velocity, and projected rotational velocities, vsini, for the stars. The analysis confirms that the candidate selection procedure yielded red giants with very high success rate. We show that most of these stars are G and K giants with slightly subsolar metallicity ([Fe/H] ~ -0.3 dex) An analysis of Mg abundances in the sample results in consistency of the [Mg/Fe] vs [Fe/H] trend with published results.
description: Accepted by AJ
Top-transmon: hybrid superconducting qubit for parity-protected quantum computation
Creators: name: Hassler, F.
name: Akhmerov, A. R.
name: Beenakker, C. W. J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Qubits constructed from uncoupled Majorana fermions are protected from decoherence, but to perform a quantum computation this topological protection needs to be broken. Parity-protected quantum computation breaks the protection in a minimally invasive way, by coupling directly to the fermion parity of the system --- irrespective of any quasiparticle excitations. Here we propose to use a superconducting charge qubit in a transmission line resonator (a socalled transmon) to perform parity-protected rotations and read-out of a topological (top) qubit. The advantage over an earlier proposal using a flux qubit is that the coupling can be switched on and off with exponential accuracy, promising a reduced sensitivity to charge noise.
description: 7 pages, 5 figures
Edwards entropy and compactivity in a model of granular matter
Creators: name: Bowles, Richard K.
name: Ashwin, S. S.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Formulating a statistical mechanics for granular matter remains a significant challenge, in part, due to the difficulty associated with a complete characterization of the systems under study. We present a fully characterized model of a granular material consisting of $N$ two-dimensional, frictionless, hard discs, confined between hard walls, including a complete enumeration of all possible jammed structures. We show the properties of the jammed packings are independent of the distribution of defects within the system and that all the packings are isostatic. This suggests the assumption of equal probability for states of equal volume, which provides one possible way of constructing the equivalent of a microcanonical ensemble, is likely to be vaild for our model. An application of the second law of thermodynamics involving two subsystems in contact shows that the expected spontaneous equilibration of defects between the two is accompanied by an increase in entropy and that the equilibirum, obtained by entropy maximization, is characterized by the equality of compactivities. Finally, we explore the properties of the equivalent to the canonical ensemble for this system.
description: Accepted PRE
Integrating multiple sources to answer questions in Algebraic Topology
Creators: name: Heras, Jonathan
name: Pascual, Vico
name: Romero, Ana
name: Rubio, Julio
Publisher: name: arXiv
Year: 2010
Subjects: subject: Symbolic Computation (cs.SC)
subject: Artificial Intelligence (cs.AI)
subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: We present in this paper an evolution of a tool from a user interface for a concrete Computer Algebra system for Algebraic Topology (the Kenzo system), to a front-end allowing the interoperability among different sources for computation and deduction. The architecture allows the system not only to interface several systems, but also to make them cooperate in shared calculations.
description: To appear in The 9th International Conference on Mathematical Knowledge Management: MKM 2010
Gold slows down the growth of helium bubble in iron
Creators: name: Hao, W.
name: Geng, W. T.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We predict by first-principles calculations that Au have strong affinity to He in bcc Fe. The Au-Au bonding in the segregated Au layer at the He bubble surface is stronger than Fe-Fe and Au-Fe interactions; therefore this layer becomes an effective barrier to further He and slows down the bubble growth.
description: 9 pages, 4 figures, 1 table
Complexity growth of BTZ black hole in massive gravity with a null string
Creators: name: Zhou, Yu-Ting
Publisher: name: arXiv
Year: 2023
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper, we investigate the complexity growth of the tensionless limit of string in the neutral BTZ black hole horizon in massive gravity. When the string approaches the horizon, we observe a novel phenomenon for the Nambu-Goto action growth that produces significant difference from tensile string geometry. The string's tension is then suggested to partially contribute to the growth of the action. We also argue a potential proposal that reconstructs the complexity from the renormalization group (RG) flow.
description: 20 pages,2 figures. v2: references added and typos corrected, added a discussion of cc_1=-1, version accepted for publication on EPJC
An achromatic polarization retarder realized with slowly varying linear and circular birefringence
Creators: name: Rangelov, A. A.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Using the phenomena of linear and circular birefringence we propose a device that can alter general elliptical polarization of a beam by a predetermined amount, thereby allowing conversion between linearly-polarized light and circularly polarized light or changes to the handedness of the polarization. Based on an analogy with two-state adiabatic following of quantum optics, the proposed device is insensitive to the frequency of the light -- it serves as an achromatic polarization retarder.
Some new inequalities of Hermite-Hadamard's type
Creators: name: Saglam, A.
name: Sarikaya, M. Z.
name: Yildirim, H.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 26D15

description: In this paper, we establish several new inequalities for some differantiable mappings that are connected with the celebrated Hermite-Hadamard integral inequality. Some applications for special means of real numbers are also provided.
A monopole solution in a Lorentz-violating field theory
Creators: name: Seifert, Michael D.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: I present a topological defect solution that arises in a theory where Lorentz symmetry is spontaneously broken by a rank-two antisymmetric tensor field, and I discuss its observational signatures.
description: 4 pages, 1 figure
Effects of attention on cortical auditory evoked potentials during a gap detection task
Creators: name: Cozzi, Jennifer
Publisher: name: University of British Columbia
Year: 2017

description: Gap-detection testing is a measure of temporal resolution, a component of auditory processing that is sometimes affected in Central Auditory Processing Disorder (CAPD). Using behavioural gap-detection tasks as part of a CAPD battery can be confounded by attention, in that it is difficult to distinguish whether poor performance is a result of attention deficits or central auditory processing deficits. Researchers have assessed the utility of cortical auditory evoked potentials (CAEPs) as an objective measure of gap-detection thresholds. The present study aimed to compare CAEPs during a passive and active gap-detection task to assess the effects of attention on electrophysiological gap-detection testing. The results showed no significant differences in gap-detection thresholds obtained behaviourally, obtained electrophysiologically during the passive task, and obtained behaviourally or electrophysiologically during the active task. N1-P2 amplitudes were found to be significantly larger in the active gap-detection task compared to the passive task. In conditions where a 0 ms duration or subthreshold duration gap was presented, an N2b waveform was evoked. The N2b is an endogenous event-related potential (ERP) that is usually evoked when a prepotent response must be withheld, such as during the no-go trials of a go/no-go task. Because the gap-detection task could be considered as a go/no-go paradigm, the N2b was likely evoked due to the unfulfilled expectation of a gap occurring with predictable timing and high probability. The goal of experiment 2 was to investigate the occurrence of this endogenously-evoked no-go N2b as previous literature has focused primarily on the N2b evoked by exogenous stimuli. The results found that all participants had an N2b wave to no-gap and subthreshold gap conditions. There were no significant correlations between N2b-P3a amplitudes and behavioural thresholds or between N2b-P3a amplitudes or N2b latencies and reaction time or reaction time standard deviation. There was a significant correlation between P3a amplitudes and ex-Gaussian reaction time standard deviation. No significant differences were found between N2b amplitudes for correct rejections or misses. Overall, this study demonstrated that the no-go N2b can be evoked by an endogenous signal in the form of the omission of an expected gap in noise.
Unpaired Majorana fermions in a layered topological superconductor
Creators: name: Seradjeh, Babak
name: Grosfeld, Eytan
Publisher: name: arXiv
Year: 2011
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We study the conditions for the existence of unpaired Majorana modes at the ends of vortex lines or the side edges of a layered topological superconductor. We show that the problem is mapped to that of a general Majorana chain and extend Kitaev's condition for the existence of its nontrivial phase by providing an additional condition when a supercurrent flows in the chain. Unpaired Majorana bound states may exist in a vortex line that threads the layers if the spin-orbit coupling has certain in-layer components but, interestingly, only if a nonzero supercurrent is maintained along the vortex. We discuss the exchange statistics of vortices in the presence of unpaired Majorana modes and comment on their experimental detection.
description: 9 pages, 5 figures
Mobilisation readiness state and the frequency structure of heart rate variability
Creators: name: Mukhin, V.
name: Klimenko, V.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Tissues and Organs (q-bio.TO)
subject: Other Quantitative Biology (q-bio.OT)
subject: FOS: Biological sciences

description: A number of studies showed association of mental status with heart rate variability. This work discovered a feature of frequency structure of heart rate variability that is associated with mental readiness. In three independent groups of 64, 39, and 19 volunteers by the factor analysis of heart rate periodograms, it has been discovered that there are at least two other heart rate oscillation phenomena apart from the well known low frequency oscillations and respiratory arrhythmia. They have periods of 3 and 4 heart beats. Association of amplitude of 3-beats oscillation with level of mental readiness was shown due to further observation in two independent groups of 12 and 7. Moreover, possibility of assessment of mental readiness by the mathematical model based on heart rate periodogram was suggested.
description: 14 pages, 5 figures
Data and R script for "Identifying core habitats and corridors for giant pandas by combining multi-scale random forest and connectivity analysis"
Creators: name: Sun, Xue
name: Long, Zexu
name: Jia, Jingbo
Publisher: name: figshare
Year: 2022
Subjects: subject: Ecology
subject: FOS: Biological sciences
subject: 50104 Landscape Ecology
subject: FOS: Earth and related environmental sciences

description: The data and R script are used to replicate the result of the paper "Identifying core habitats and corridors for giant pandas by combining multi-scale random forest and connectivity analysis" published in Ecology and Evolution. The data set includes multi-scale predictors, scale-optimization predictors selected by univariate random forest model, and resistant kernel and fractorial least-cost path simulation from UNICOR. The R script includes R code used to implement equal-sampling multi-scale random forest model and post-processing of UNICOR simulation.
Reinforcement Learning for Combining Search Methods in the Calibration of Economic ABMs
Creators: name: Glielmo, Aldo
name: Favorito, Marco
name: Chanda, Debmallya
name: Gatti, Domenico Delli
Publisher: name: arXiv
Year: 2023
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: Multiagent Systems (cs.MA)
subject: General Economics (econ.GN)
subject: FOS: Computer and information sciences
subject: FOS: Economics and business
subject: J.4; I.6.3

description: Calibrating agent-based models (ABMs) in economics and finance typically involves a derivative-free search in a very large parameter space. In this work, we benchmark a number of search methods in the calibration of a well-known macroeconomic ABM on real data, and further assess the performance of "mixed strategies" made by combining different methods. We find that methods based on random-forest surrogates are particularly efficient, and that combining search methods generally increases performance since the biases of any single method are mitigated. Moving from these observations, we propose a reinforcement learning (RL) scheme to automatically select and combine search methods on-the-fly during a calibration run. The RL agent keeps exploiting a specific method only as long as this keeps performing well, but explores new strategies when the specific method reaches a performance plateau. The resulting RL search scheme outperforms any other method or method combination tested, and does not rely on any prior information or trial and error procedure.
description: 9 pages and 5 figures, presented at the AAAI bridge program 'AI for Financial Institutions' (https://aaai23.bankit.art/), at the ICLR bridge program 'AI4ABM' (https://ai4abm.org/workshop_iclr2023/) and at ICAIF '23 (https://ai-finance.org/). Proceedings of the Fourth ACM International Conference on AI in Finance, (ICAIF 23), Association for Computing Machinery, New York, NY, USA
Spatial fluctuations in transient creep deformation
Creators: name: Laurson, Lasse
name: Rosti, Jari
name: Koivisto, Juha
name: Miksic, Amandine
name: Alava, Mikko J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We study the spatial fluctuations of transient creep deformation of materials as a function of time, both by Digital Image Correlation (DIC) measurements of paper samples and by numerical simulations of a crystal plasticity or discrete dislocation dynamics model. This model has a jamming or yielding phase transition, around which power-law or Andrade creep is found. During primary creep, the relative strength of the strain rate fluctuations increases with time in both cases - the spatially averaged creep rate obeys the Andrade law $ε_t \sim t^{-0.7}$, while the time dependence of the spatial fluctuations of the local creep rates is given by $Δε_t \sim t^{-0.5}$. A similar scaling for the fluctuations is found in the logarithmic creep regime that is typically observed for lower applied stresses. We review briefly some classical theories of Andrade creep from the point of view of such spatial fluctuations. We consider these phenomenological, time-dependent creep laws in terms of a description based on a non-equilibrium phase transition separating evolving and frozen states of the system when the externally applied load is varied. Such an interpretation is discussed further by the data collapse of the local deformations in the spirit of absorbing state/depinning phase transitions, as well as deformation-deformation correlations and the width of the cumulative strain distributions. The results are also compared with the order parameter fluctuations observed close to the depinning transition of the 2$d$ Linear Interface Model or the quenched Edwards-Wilkinson equation.
description: 27 pages, 18 figures
Innovative Migraine Therapies: Navigating Health Canada and FDA Regulatory Pathways.
Creators: name: Sajan, Sherin Thankamma
name: Baby, Jisha
name: Jacob, Sharon Mariam
name: Koduru, Venkata Eshwar
name: Mazumder, Oindrila
name: Pirouzi, Peivand
Publisher: name: Crown College of Canada
Year: 2025

description: This paper explores a dual action system combining electrical neuromodulation with transdermal drug delivery through dissolvable microneedles, alongside other groundbreaking technologies like vagus nerve stimulators, magnetic pulse devices, and advanced pharmacological agents. Together, these advancements promise to improve efficacy, reduce side effects, and encourage consistent use, potentially reshaping migraine care on a global scale.
Coherent control of the causal order of entanglement distillation
Creators: name: Zuo, Zai
name: Hanks, Michael
name: Kim, M. S.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Indefinite causal order is an evolving field with potential involvement in quantum technologies. Here we propose and study one possible scenario of practical application in quantum communication: a compound entanglement distillation protocol that features two steps of a basic distillation protocol applied in a coherent superposition of two causal orders. This is achieved by using one faulty entangled pair to control-swap two others before a fourth pair is combined with the two swapped ones consecutively. As a result, the protocol distills the four faulty entangled states into one of a higher fidelity. Our protocol has a higher fidelity of distillation and probability of success for some input faulty pairs than conventional concatenations of the basic protocol that follow a definite distillation order. Our proposal shows the advantage of indefinite causal order in an application setting consistent with the requirements of quantum communication.
Modelling and Implementation of ITWS: An ultimate solution to ITS
Creators: name: Sinha, Nirmalendu Bikas
name: sonal, Manish
name: Snai, Makar Chand
name: Bera, R.
name: Mitra, M.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Other Computer Science (cs.OH)
subject: FOS: Computer and information sciences

description: Casualties due to traffic accidents are increasing day by day. Think of this message being displayed on your computer screen while you were driving "there's a possibility of collision with a car in the next few minutes if you go on driving with this speed and direction". Our research is intended towards developing collision avoidance architecture for the latest Intelligent Transport System. The exchange of safety messages among vehicles and with infrastructure devices poses major challenges. Specially, safety messages have to be adaptively distributed within a certain range of a basically unbounded system. These messages are to be well coordinated and processed via different algorithms. The purpose of the paper is to discuss the ITWS (intelligent transportation warning system), we have discussed the Assisted Global Positioning System(AGPS) system providing additional positioning information at variable conditions. We have also discussed study the Data fusion and kalaman filter in details. The performance of kalman filter and output are discussed. Hardware realization of this model is achieved through software defined radio (SDR).
description: Nirmalendu Bikas Sinha, Manish sonal, Makar Chand Snai, R. Bera and M.Mitra, "Modelling and Implementation of ITWS: An ultimate solution to ITS", Journal of Telecommunications, Volume 2, Issue 1, p17-27, April 2010
PACCE: Perl Algorithm to Compute Continuum and Equivalent Widths
Creators: name: Riffel, Rogério
name: Vale, Tibério Borges
Publisher: name: arXiv
Year: 2011
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: FOS: Physical sciences

description: We present Perl Algorithm to Compute continuum and Equivalent Widths (pacce). We describe the methods used in the computations and the requirements for its usage. We compare the measurements made with pacce and "manual" ones made using iraf splot task. These tests show that for SSP models the equivalent widths strengths are very similar (differences <0.2A) for both measurements. In real stellar spectra, the correlation between both values is still very good, but with differences of up to 0.5A. pacce is also able to determine mean continuum and continuum at line center values, which are helpful in stellar population studies. In addition, it is also able to compute the uncertainties in the equivalent widths using photon statistics. The code is made available for the community through the web at http://www.if.ufrgs.br/~riffel/software.html.
description: 8 pages, 5 figures, accepted by Astrophysics and Space Science
Development of a tomographic background-oriented schlieren method for instantaneous three-dimensional density field measurements of heated jets
Creators: name: AMJAD, SHOAIB
Publisher: name: Monash University
Year: 2022
Subjects: subject: Applied Physics
subject: Aerospace Engineering
subject: FOS: Mechanical engineering
subject: Mechanical Engineering
subject: 91504 Fluidisation and Fluid Mechanics
subject: FOS: Other engineering and technologies

description: Density and temperature field measurements of heated fluids are difficult to achieve despite the benefits to modelling and flow control. This thesis presents the development and demonstration of an optical technique for 3D density field measurement called tomographic background-oriented schlieren.
Detecting and stabilizing measurement-induced symmetry-protected topological phases in generalized cluster models
Creators: name: Morral-Yepes, Raúl
name: Pollmann, Frank
name: Lovas, Izabella
Publisher: name: arXiv
Year: 2023
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study measurement-induced symmetry-protected topological (SPT) order in a wide class of quantum random circuit models by combining calculations within the stabilizer formalism with tensor network simulations. We construct a family of quantum random circuits, generating the out-of-equilibrium version of all generalized cluster models, and derive a set of non-local string order parameters to distinguish different SPT phases. We apply this framework to investigate a random circuit realization of the XZX cluster model, and use the string order parameter to demonstrate that the phase diagram is stable against extending the class of unitary gates in the circuit, from Clifford gates to Haar unitaries. We then turn to the XZZX generalized cluster model, and demonstrate the coexistence of SPT order and spontaneous symmetry breaking, by relying on string order parameters and a connected correlation function.
description: 16 pages, 13 figures
Ready to move? The effect of stroke on attention and motor planning of voluntary leg movements.
Creators: name: Peters, Susan (Sue)
Publisher: name: University of British Columbia
Year: 2017

description: Background: Many movements individuals perform in a given day are voluntary and goal directed, requiring the ability to focus attention and plan movements according to those goals. Altered cognition and motor impairments after stroke limit functional balance and walking performance. Little research has examined the neurophysiology of attention and planning for standing balance and walking after stroke. Examining the mechanisms underlying attention and planning of balance and walking is paramount to understanding the factors that may be important for stroke recovery and functional community living. Methods: The overarching objective of this thesis was to examine planning and attention for leg movements in individuals with stroke. There were two primary objectives: (1) to examine whether planning differs between the paretic and non-paretic legs measured at the muscle and brain, and (2) to determine how attention may alter, or gate, the processing of irrelevant somatosensory information used for planning. Summary of findings: In Chapters 2 and 3, contrary to expectations, no differences in planning were found between stepping with the non-paretic and paretic legs. However, individuals with greater motor impairment showed larger levels of muscle co-contraction during planning (Chapter 2), and greater cognitive effort and longer planning durations (Chapter 3) than individuals with less motor impairment. For attention, irrelevant somatosensory information was gated by attention during planning plantarflexion movements in young adults compared with rest (Chapter 4). In Chapter 5, the main finding was that some irrelevant somatosensory information was not gated by attention after stroke, while other information was gated. This indicates possible dysfunction in pathways connected to the somatosensory cortex after stroke that can be mediated by attention. More importantly, gating levels during early planning explained a significant amount of variability in a measure of community balance and mobility. Conclusions: This dissertation contributes new knowledge toward understanding the effects of stroke on planning and attention of leg movements. The findings suggest planning and attention are important factors in community levels of balance and mobility that require consideration in future development of targeted neurophysiological assessment and treatment of attention and planning after stroke, with potential impact on balance and walking performance.
Inhibition of squalene synthase of rat liver by abietane diterpenes derivatives
Creators: name: Macías-Alonso, Mariana
name: Andrés, Lucía S.
name: Córdova-Guerrero, Iván
name: Estolano-Cobián, Arturo
name: Díaz-Rubio, Laura
name: Marrero, Joaquín G.
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified

description: In the current study, chemical composition of cultivated Salvia canariensis L was determined. Carnosol was the main product isolated. We prepared more lipophilic derivatives from carnosol, and both isolated and semisynthetic abietane diterpenes were evaluated in vitro as inhibitors of squalene synthase. Among the compounds tested, carnosol was the most potent inhibitor (IC50 = 17.6 μM). These results highlight the great potential of this species for the production of new ingredients in nutritional supplements for the treatment of hyperlipidemia.
Transiting exoplanets from the CoRoT space mission. XI. CoRoT-8b: a hot and dense sub-Saturn around a K1 dwarf
Creators: name: Bordé, P.
name: Bouchy, F.
name: Deleuil, M.
name: Cabrera, J.
name: Jorda, L.
name: Lovis, C.
name: Csizmadia, S.
name: Aigrain, S.
name: Almenara, J. M.
name: Alonso, R.
name: Auvergne, M.
name: Baglin, A.
name: Barge, P.
name: Benz, W.
name: Bonomo, A. S.
name: Bruntt, H.
name: Carone, L.
name: Carpano, S.
name: Deeg, H.
name: Dvorak, R.
name: Erikson, A.
name: Ferraz-Mello, S.
name: Fridlund, M.
name: Gandolfi, D.
name: Gazzano, J. -C.
name: Gillon, M.
name: Guenther, E.
name: Guillot, T.
name: Guterman, P.
name: Hatzes, A.
name: Havel, M.
name: Hébrard, G.
name: Lammer, H.
name: Léger, A.
name: Mayor, M.
name: Mazeh, T.
name: Moutou, C.
name: Pätzold, M.
name: Pepe, F.
name: Ollivier, M.
name: Queloz, D.
name: Rauer, H.
name: Rouan, D.
name: Samuel, B.
name: Santerne, A.
name: Schneider, J.
name: Tingley, B.
name: Udry, S.
name: Weingrill, J.
name: Wuchterl, G.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: We report the discovery of CoRoT-8b, a dense small Saturn-class exoplanet that orbits a K1 dwarf in 6.2 days, and we derive its orbital parameters, mass, and radius. We analyzed two complementary data sets: the photometric transit curve of CoRoT-8b as measured by CoRoT and the radial velocity curve of CoRoT-8 as measured by the HARPS spectrometer. We find that CoRoT-8b is on a circular orbit with a semi-major axis of 0.063 +/- 0.001 AU. It has a radius of 0.57 +/- 0.02 RJ, a mass of 0.22 +/- 0.03 MJ, and therefore a mean density 1.6 +/- 0.1 g/cm^3. With 67 % of the size of Saturn and 72 % of its mass, CoRoT-8b has a density comparable to that of Neptune (1.76 g/cm^3). We estimate its content in heavy elements to be 47-63 Earth masses, and the mass of its hydrogen-helium envelope to be 7-23 Earth masses. At 0.063 AU, the thermal loss of hydrogen of CoRoT-8b should be no more than about 0.1 % over an assumed integrated lifetime of 3~Ga.
description: 10 pages, 12 figures, accepted for publication in A&A
Restricted Gauge Theory Formalism and Unimodular Gravity
Creators: name: Barvinsky, A. O.
name: Nesterov, D. V.
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We develop a Lagrangian quantization formalism for a class of theories obtained by the restriction of the configuration space of gauge fields from a wider (parental) gauge theory. This formalism is based on application of the Batalin-Vilkovisky technique for quantization of theories with linearly dependent generators, their linear dependence originating from a special type of projection from the originally irreducible gauge generators of the parental theory. The algebra of these projected generators is shown to be closed for parental gauge algebras closed off shell. We demonstrate that new physics of the restricted theory, as compared to its parental theory, is associated with the rank deficiency of a special gauge-restriction operator reflecting the gauge transformations of the restriction constraints functions -- this distinguishes the restricted theory from its partial gauge fixing. As a byproduct of this technique a workable algorithm for the one-loop effective action in generic first-stage reducible theory was constructed, along with the explicit set of tree-level Ward identities for gauge field, ghost, and ghosts-for-ghosts propagators. The formalism is applied to unimodular gravity theory, and its one-loop effective action is obtained in terms of functional determinants of minimal second-order operators, calculable on generic backgrounds by Schwinger-DeWitt technique of local curvature expansion. The result is shown to be equivalent to Einstein gravity theory with a cosmological term up to a special contribution of the global degree of freedom associated with the variable value of the cosmological constant. The role of this degree of freedom in a special duality relation between Einstein theory and unimodular gravity is briefly discussed.
description: 30 pages (two-column revtex), updated to journal version (including the title), misprints corrected, references and minor discussions added
Universal enveloping algebras and universal derivations of Poisson algebras
Creators: name: Umirbaev, Ualbai
Publisher: name: arXiv
Year: 2011
Subjects: subject: Rings and Algebras (math.RA)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics

description: Let $k$ be an arbitrary field of characteristic $0$. It is shown that for any $n\geq 1$ the universal enveloping algebras of the Poisson symplectic algebra $P_n(k)$ and the Weyl algebra $A_n(k)$ are isomorphic and the canonical isomorphism between them easily leads to the Moyal product. A basis of the universal enveloping algebra $P^e$ of a free Poisson algebra $P=k\{x_1,...,x_n\}$ is constructed and proved that the left dependency of a finite number of elements of $P^e$ over $P^e$ is algorithmically recognizable. We prove that if two elements of a free Poisson algebra do not generate a free two generated subalgebra then they commute. The Fox derivatives on free Poisson algebras are defined and it is proved that an analogue of the Jacobian Conjecture for two generated free Poisson algebras is equivalent to the two-dimensional classical Jacobian Conjecture. A new proof of the tameness of automorphisms of two generated free Poisson algebras is also given.
description: 20 pages
Design and analysis of a microplate assay in the presence of multiple restrictions on the randomization
Creators: name: Bohyn, Alexandre
name: Schoen, Eric D.
name: Ng, Chee Ping
name: Bishard, Kristina
name: Haarmans, Manon
name: Trietsch, Sebastian J.
name: Goos, Peter
Publisher: name: arXiv
Year: 2023
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: Experiments using multi-step protocols often involve several restrictions on the randomization. For a specific application to in vitro testing on microplates, a design was required with both a split-plot and a strip-plot structure. On top of two-level treatment factors and the factors that define the randomization restrictions, a multi-level fixed blocking factor not involving further restrictions on the randomization had to be added. We develop a step-by-step approach to construct a design for the microplate experiment and analyze a response. To consolidate the approach, we study various alternative scenarios for the experiment.
description: 31 pages, 13 tables, 4 figures
Precise Measurements of Direct CP Violation, CPT Symmetry, and Other Parameters in the Neutral Kaon System
Creators: name: KTeV Collaboration
name: Abouzaid, E.
name: Arenton, M.
name: Barker, A. R.
name: Barrio, M.
name: Bellantoni, L.
name: Blucher, E.
name: Bock, G. J.
name: Bown, C.
name: Cheu, E.
name: Coleman, R.
name: Corcoran, M. D.
name: Cox, B.
name: Erwin, A. R.
name: Escobar, C. O.
name: Glazov, A.
name: Golossanov, A.
name: Gomes, R. A.
name: Gouffon, P.
name: Graham, J.
name: Hamm, J.
name: Hsiung, Y. B.
name: Jensen, D. A.
name: Kessler, R.
name: Kotera, K.
name: LaDue, J.
name: Ledovskoy, A.
name: McBride, P. L.
name: Monnier, E.
name: Nguyen, H.
name: Niclasen, R.
name: Phillips, D. G.
name: Prasad, V.
name: Qi, X. R.
name: Ramberg, E. J.
name: Ray, R. E.
name: Ronquest, M.
name: Roodman, A.
name: Santos, E.
name: Shanahan, P.
name: Shawhan, P. S.
name: Slater, W.
name: Smith, D.
name: Solomey, N.
name: Swallow, E. C.
name: Taegar, S. A.
name: Toale, P. A.
name: Tschirhart, R.
name: Wah, Y. W.
name: Wang, J.
name: White, H. B.
name: Whitmore, J.
name: Wilking, M. J.
name: Winstein, B.
name: Winston, R.
name: Worcester, E. T.
name: Yamanaka, T.
name: Zimmerman, E. D.
name: Zukanovich, R. F.
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present precise tests of CP and CPT symmetry based on the full dataset of K to pipi decays collected by the KTeV experiment at Fermi National Accelerator Laboratory during 1996, 1997, and 1999. This dataset contains 16 million K to 2pi0 and 69 million K to pi+pi- decays. We measure the direct CP violation parameter Re(epsilon'/epsilon) = (19.2 pm 2.1)x10-4. We find the KL-KS mass difference Deltam = (5270 pm 12)x10^6 hbar/s and the KS lifetime tauS = (89.62 pm 0.05)x10-12 s. We also measure several parameters that test CPT invariance. We find the difference between the phase of the indirect CP violation parameter, epsilon, and the superweak phase, phi_epsilon - phi_SW = (0.40 pm 0.56) degrees. We measure the difference of the relative phases between the CP violating and CP conserving decay amplitudes for K to pi+pi- (phi+-) and for K to 2pi0 (phi00), Delta phi = (0.30 pm 0.35) degrees. From these phase measurements, we place a limit on the mass difference between K0 and K0bar, DeltaM < 4.8 x 10-19 GeV/c^2 at 95% C.L. These results are consistent with those of other experiments, our own earlier measurements, and CPT symmetry.
description: 28 pages, 30 figures; removed extra figure
Pyridoxine Radiotracers for Imaging Metabolic Alterations
Creators: name: Pinault-Masson, Émile
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2022
Subjects: Vitamin B6
fluorination

description: Vitamin B6 was discovered almost 90 years ago, and since then it has received a lot of interest from the scientific community due to its role in human health and its impact on several biochemical processes. One of the most interesting aspect of vitamin B6 studied in the past decade is its role in cancer. From the research on this subject so far, the following can be suggested: early-stage cancer cells have a higher vitamin B6 content than normal cells due to its role in metabolic processes. As the cancer makes progress, there is a change in vitamin B6 activation and trapping in the cell, decreasing the amount of active vitamin B6 in the cell in order to resist cell death. From these conclusions, we can see that vitamin B6 could potentially be an interesting radiotracer to use for diagnosis and staging of cancers. One of the most predominant form of imaging which is done nowadays to detect and diagnose cancers is Positron Emission Tomography (PET) imaging. Research on PET imaging is driven by the potential of new radiotracers which can be added to the current arsenal of tools for the fight against cancer. Therefore, this project focuses on the attempted synthesis of two potential radiotracers derived from vitamin B6 based on the insertion of fluorine-18. None of the two proposed radiotracers were successfully synthesized but we successfully synthesized one cold standard and difluorinated pyridoxine with cold conditions similar to radiochemistry. The main issues which were faced were the degradation of the potential precursors when attempting fluorination, the lack of reactivity of intermediates for the formation of precursors and an acetyl migration leading to the wrong precursors. By using a milder fluorination strategy to avoid degradation (room temperature, no free fluoride source: AgF2 as fluorinating agent), the 6-Fluoropyridoxine cold standard was synthesized. By changing the protection strategy (not using any acetyl groups), acetyl migration was avoided which led to the synthesis of a difluorinated pyridoxine using mild conditions (room temperature). The difluorination was also successful using harsher conditions (heat). There is still a lot of work to do to synthesize a radiotracer derived from vitamin B6 but there are some signs that this may be possible with additional work.