cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Training and learning support to use smartphones and apps for people with vision impairment (PVI): A multi-site qualitative study on trainers' perspectives from Australia, Canada and Singapore
Creators: name: Tan, Hwei Lan
name: Aplin, Tammy
name: Gullo, Hannah L.
name: McAuliffe, Tomomi
Publisher: name: Singapore Institute of Technology
Year: 2024
Subjects: classificationCode: 420104
subject: Occupational therapy

description: The study explores how smartphones and applications are replacing traditional assistive technology devices for people with vision impairment (PVI), supporting their mobility and independence. It highlights the importance of training and learning support for PVI to fully utilize this technology, identifying it as an area needing further research. Using an interpretive descriptive qualitative approach, the study examines trainers' perspectives on smartphone training in Australia, Canada, and Singapore through semi-structured interviews with 22 trainers, including 13 with vision impairment.Thematic analysis of the data revealed six key themes: the structure and content of training, the hope, independence, and connection training provides, the influence of trainers' approach and attributes, informal support and other learning avenues, challenges in providing training, and suggestions for improvement. Participants emphasized that smartphone training offers hope and independence to PVI, and stressed the importance of addressing clients' emotional and learning needs through an individualized and graded approach. Trainers with vision impairment who incorporated their lived experiences into training found it beneficial for clients' learning and adjustment to vision loss.
Diffusive time evolution of the Grad-Shafranov Equation for a Toroidal Plasma
Creators: name: Montani, Giovanni
name: Del Prete, Matteo
name: Carlevaro, Nakia
name: Cianfrani, Francesco
Publisher: name: arXiv
Year: 2020
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: We describe the evolution of a plasma equilibrium having a toroidal topology in the presence of constant electric resistivity. After outlining the main analytical properties of the solution, we illustrate its physical implications by reproducing the essential features of a scenario for the upcoming Italian experiment Divertor Tokamak Test Facility, with a good degree of accuracy. Although we find the resistive diffusion timescale to be of the order of $10^4\,$s, we observe a macroscopic change in the plasma volume on a timescale of $10^2\,$s, comparable to the foreseen duration of the plasma discharge by design. In the final part of the work, we compare our self-consistent solution to the more common Solov'ev one, and to a family of nonlinear configurations.
description: 15 pages, 2 figures
Additional file 4 of A custom library construction method for super-resolution ribosome profiling in Arabidopsis
Creators: name: Wu, Hsin-Yen Larry
name: Hsu, Polly Yingshan
Publisher: name: figshare
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Plant Biology
subject: Computational Biology

description: Additional file 4. Markdown file of example data analysis.
Height estimation from single aerial images using a deep ordinal regression network
Creators: name: Li, Xiang
name: Wang, Mingyang
name: Fang, Yi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Understanding the 3D geometric structure of the Earth's surface has been an active research topic in photogrammetry and remote sensing community for decades, serving as an essential building block for various applications such as 3D digital city modeling, change detection, and city management. Previous researches have extensively studied the problem of height estimation from aerial images based on stereo or multi-view image matching. These methods require two or more images from different perspectives to reconstruct 3D coordinates with camera information provided. In this paper, we deal with the ambiguous and unsolved problem of height estimation from a single aerial image. Driven by the great success of deep learning, especially deep convolution neural networks (CNNs), some researches have proposed to estimate height information from a single aerial image by training a deep CNN model with large-scale annotated datasets. These methods treat height estimation as a regression problem and directly use an encoder-decoder network to regress the height values. In this paper, we proposed to divide height values into spacing-increasing intervals and transform the regression problem into an ordinal regression problem, using an ordinal loss for network training. To enable multi-scale feature extraction, we further incorporate an Atrous Spatial Pyramid Pooling (ASPP) module to extract features from multiple dilated convolution layers. After that, a post-processing technique is designed to transform the predicted height map of each patch into a seamless height map. Finally, we conduct extensive experiments on ISPRS Vaihingen and Potsdam datasets. Experimental results demonstrate significantly better performance of our method compared to the state-of-the-art methods.
description: 5 pages, 3 figures
Saving Energy in Mobile Devices for On-Demand Multimedia Streaming -- A Cross-Layer Approach
Creators: name: Hoque, Mohammad Ashraful
name: Siekkinen, Matti
name: Nurminen, Jukka K.
name: Tarkoma, Sasu
name: Aalto, Mika
Publisher: name: arXiv
Year: 2014
Subjects: subject: Multimedia (cs.MM)
subject: Information Theory (cs.IT)
subject: FOS: Computer and information sciences
subject: C.2.1; C.2.4; C.4

description: This paper proposes a novel energy-efficient multimedia delivery system called EStreamer. First, we study the relationship between buffer size at the client, burst-shaped TCP-based multimedia traffic, and energy consumption of wireless network interfaces in smartphones. Based on the study, we design and implement EStreamer for constant bit rate and rate-adaptive streaming. EStreamer can improve battery lifetime by 3x, 1.5x and 2x while streaming over Wi-Fi, 3G and 4G respectively.
description: Accepted in ACM Transactions on Multimedia Computing, Communications and Applications (ACM TOMCCAP), November 2013
Allied Farmers, Small Businesses, and Woodrow Wilson: The Early Days of Economic Localism
Creators: name: Menius, Art
Publisher: name: Zenodo
Year: 2018
Subjects: Localism
American History

description: This section deals with how the Anti-Chain Store Movement evolved until it became a national political issue starting in 1925. The need to gain traction with a public embracing low prices, in fact, inspired the publication of The Menace of the Chains. In 1924 the Anti-Chain Store Movement consisted mostly of those whose businesses faced threats from the chains. They needed, therefore, to recruit average people to a movement that was against their own financial interests by creating a menace out of A&P.
Instantaneous PSD Estimation for Speech Enhancement based on Generalized Principal Components
Creators: name: Dietzen, Thomas
name: Moonen, Marc
name: van Waterschoot, Toon
Publisher: name: arXiv
Year: 2020
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Power spectral density (PSD) estimates of various microphone signal components are essential to many speech enhancement procedures. As speech is highly non-nonstationary, performance improvements may be gained by maintaining time-variations in PSD estimates. In this paper, we propose an instantaneous PSD estimation approach based on generalized principal components. Similarly to other eigenspace-based PSD estimation approaches, we rely on recursive averaging in order to obtain a microphone signal correlation matrix estimate to be decomposed. However, instead of estimating the PSDs directly from the temporally smooth generalized eigenvalues of this matrix, yielding temporally smooth PSD estimates, we propose to estimate the PSDs from newly defined instantaneous generalized eigenvalues, yielding instantaneous PSD estimates. The instantaneous generalized eigenvalues are defined from the generalized principal components, i.e. a generalized eigenvector-based transform of the microphone signals. We further show that the smooth generalized eigenvalues can be understood as a recursive average of the instantaneous generalized eigenvalues. Simulation results comparing the multi-channel Wiener filter (MWF) with smooth and instantaneous PSD estimates indicate better speech enhancement performance for the latter. A MATLAB implementation is available online.
The percolation phase transition and statistical multifragmentation in finite systems
Creators: name: Pietrzak, T.
name: Botvina, A. S.
name: Brzychczyk, J.
name: Buyukcizmeci, N.
name: Fèvre, A. Le
name: Łukasik, J.
name: Pawłowski, P.
name: Sfienti, C.
name: Trautmann, W.
name: Wieloch, A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: The cumulant ratios up to fourth order of the $Z$ distributions of the largest fragment in spectator fragmentation following $^{107,124}$Sn+Sn and $^{124}$La+Sn collisions at 600 MeV/nucleon have been investigated. They are found to exhibit the signatures of a second-order phase transition established with cubic bond percolation and previously observed in the ALADIN experimental data for fragmentation of $^{197}$Au projectiles at similar energies. The deduced pseudocritical points are found to be only weakly dependent on the $A/Z$ ratio of the fragmenting spectator source. The same holds for the corresponding chemical freeze-out temperatures of close to 6 MeV. The experimental cumulant distributions are quantitatively reproduced with the Statistical Multifragmentation Model and parameters used to describe the experimental fragment multiplicities, isotope distributions and their correlations with impact-parameter related observables in these reactions. The characteristic coincidence of the zero transition of the skewness with the minimum of the kurtosis excess appears to be a generic property of statistical models and is found to coincide with the maximum of the heat capacity in the canonical thermodynamic fragmentation model.
description: 13 pages, 5 figures
Safety-Critical Control of Compartmental Epidemiological Models with Measurement Delays
Creators: name: Molnar, Tamas G.
name: Singletary, Andrew W.
name: Orosz, Gabor
name: Ames, Aaron D.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Systems and Control (eess.SY)
subject: Dynamical Systems (math.DS)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Mathematics

description: We introduce a methodology to guarantee safety against the spread of infectious diseases by viewing epidemiological models as control systems and by considering human interventions (such as quarantining or social distancing) as control input. We consider a generalized compartmental model that represents the form of the most popular epidemiological models and we design safety-critical controllers that formally guarantee safe evolution with respect to keeping certain populations of interest under prescribed safe limits. Furthermore, we discuss how measurement delays originated from incubation period and testing delays affect safety and how delays can be compensated via predictor feedback. We demonstrate our results by synthesizing active intervention policies that bound the number of infections, hospitalizations and deaths for epidemiological models capturing the spread of COVID-19 in the USA.
description: Accepted to the IEEE Control System Letters (L-CSS) and the 2021 American Control Conference (ACC). 6 pages, 3 figures
Unveiling the Surface Structure of Amorphous Solid Water via Selective Infrared Irradiation of OH Stretching Modes
Creators: name: Noble, Jennifer A
name: Martin, Céline
name: Fraser, Helen J.
name: Roubin, Pascale
name: Coussan, Stéphane
Publisher: name: arXiv
Year: 2014
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In the quest to understand the formation of the building blocks of life, amorphous solid water (ASW) is one of the most widely studied molecular systems. Indeed, ASW is ubiquitous in the cold interstellar medium (ISM), where ASW-coated dust grains provide a catalytic surface for solid phase chemistry, and is believed to be present in the Earth's atmosphere at high altitudes. It has been shown that the ice surface adsorbs small molecules such as CO, N$_2$, or CH$_4$, most likely at OH groups dangling from the surface. Our study presents completely new insights concerning the behaviour of ASW upon selective infrared (IR) irradiation of its dangling modes. When irradiated, these surface H$_2$O molecules reorganise, predominantly forming a stabilised monomer-like water mode on the ice surface. We show that we systematically provoke "hole-burning" effects (or net loss of oscillators) at the wavelength of irradiation and reproduce the same absorbed water monomer on the ASW surface. Our study suggests that all dangling modes share one common channel of vibrational relaxation; the ice remains amorphous but with a reduced range of binding sites, and thus an altered catalytic capacity.
description: 11 pages, 4 figures, 1 table. Accepted for publication in the Journal of Physical Chemistry Letters
Additional file 5 of A custom library construction method for super-resolution ribosome profiling in Arabidopsis
Creators: name: Wu, Hsin-Yen Larry
name: Hsu, Polly Yingshan
Publisher: name: figshare
Year: 2022
Subjects: subject: Biophysics
subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Ecology
subject: 69999 Biological Sciences not elsewhere classified
subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics
subject: Plant Biology
subject: Computational Biology

description: Additional file 5: Figure S1. Precise ribonuclease digestion yields a clear band between 28 and 30 nt. Figure S2. qPCR quantification of circularized cDNAs and estimation of template volumes needed for library construction PCR. Figure S3. Comparison of rRNA contamination in our previous and current datasets. Figure S4. High correlations among three technical replicates of Ribo-seq data. Figure S5. Comparable strong 3-nt periodicity in our current data. Figure S6. Abundant contamination sequences present at 25 nt. Figure S7. Mapping and contamination statistics. Contaminant sequences considered include rRNAs/tRNAs/snRNAs/snoRNAs and overrepresented non-coding RNAs. Their sequences are listed in Additional file 3.
Dynamical Mass Reduction in the Massive Yang-Mills Spectrum in 1+1 dimensions
Creators: name: Cubero, Axel Cortes
name: Orland, Peter
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Lattice (hep-lat)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The (1+1)-dimensional SU}(N) Yang-Mills Lagrangian, with bare mass M, and gauge coupling e, naively describes gluons of mass M. In fact, renormalization forces M to infinity. The system is in a confined phase, instead of a Higgs phase. The spectrum of this diverging-bare-mass theory contains particles of finite mass. There are an infinite number of physical particles, which are confined hadron-like bound states of fundamental colored excitations. These particles transform under irreducible representations of the global subgroup of the explicitly-broken gauge symmetry. The fundamental excitations are those of the SU(N) X SU(N) principal chiral sigma model, with coupling e/M. We find the masses of meson-like bound states of two elementary excitations. This is done using the exact S matrix of the sigma model. We point out that the color-singlet spectrum coincides with that of the weakly-coupled anisotropic SU(N) gauge theory in 2+1 dimensions. We also briefly comment on how the spectrum behaves in the 't Hooft limit, with N approaching infinity.
description: More references included with some discussion of its relevance, still revtex, Now 9 pages
A Bias-Corrected Estimator for the Crosswise Model with Inattentive Respondents
Creators: name: Atsusaka, Yuki
name: Stevenson, Randolph T.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Methodology (stat.ME)
subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: The crosswise model is an increasingly popular survey technique to elicit candid answers from respondents on sensitive questions. Recent studies, however, point out that in the presence of inattentive respondents, the conventional estimator of the prevalence of a sensitive attribute is biased toward 0.5. To remedy this problem, we propose a simple design-based bias correction using an anchor question that has a sensitive item with known prevalence. We demonstrate that we can easily estimate and correct for the bias arising from inattentive respondents without measuring individual-level attentiveness. We also offer several useful extensions of our estimator, including a sensitivity analysis for the conventional estimator, a strategy for weighting, a framework for multivariate regressions in which a latent sensitive trait is used as an outcome or a predictor, and tools for power analysis and parameter selection. Our method can be easily implemented through our open-source software, cWise.
description: 26 pages, 5 figures (main text); 22 pages, 9 figures (Online Appendix)
EUCP FAIR data and software workshop - Slides on FAIR data and ESMValTool
Creators: name: Kalverla, Peter
name: Camphuijsen, Jaro
Publisher: name: Zenodo
Year: 2020
Subjects: FAIR data
ESMValTool
Climate
EUCP

description: These slides were presented during the FAIR data and software workshop that was organized on 28 Oct, 4 Nov and 11 Nov 2020, by the Netherlands eScience Center, for partners in the H2020 EUCP project. The workshop covered three topics: FAIR (climate) data, FAIR software, and ESMValTool. The slides were not intended as comprehensive training material, but rather to support and guide the discussion. No slides were used on the second workshop day (FAIR software).
description: {"references": ["ESMValTool Tutorial - https://doi.org/10.5281/zenodo.3974591"]}
On the quantization for self-affine measures on Bedford-McMullen carpets
Creators: name: Kesseböhmer, Marc
name: Zhu, Sanguo
Publisher: name: arXiv
Year: 2013
Subjects: subject: Metric Geometry (math.MG)
subject: Probability (math.PR)
subject: FOS: Mathematics
subject: 28A75, 28A80, 94A15

description: For a self-affine measure on a Bedford-McMullen carpet we prove that its quantization dimension exists and determine its exact value. Further, we give various sufficient conditions for the corresponding upper and lower quantization coefficient to be both positive and finite. Finally, we compare the quantization dimension with corresponding quantities derived from the multifractal temperature function and show that -- different from conformal systems -- they in general do not coincide.
description: 20 pages
Python in Heliophysics Community (PyHC) Standards
Creators: name: Annex, A.
name: Alterman, B. L.
name: Azari, A.
name: Barnes, W.
name: Bobra, M.
name: Cecconi, B.
name: Christe, Steven
name: Coxon, J.
name: DeWolfe, A.
name: Halford, A.
name: Harter, B.
name: Ireland, J.
name: Jahn, J.
name: Klenzing, J.
name: Liu, M.
name: Mason, J.
name: McGranaghan, R.
name: Murphy, N.
name: Murray, S.
name: Niehof, J.
name: Nguyen, M. D.
name: Panneton, R.
name: Pembroke, A.
name: Pérez-Suárez, D.
name: Piker, C.
name: Roberts, A.
name: Ryan, D.
name: Savage, S.
name: Smith, J.
name: Stansby, D.
name: Vandegriff, J.
name: Weigel, R. S.
Publisher: name: Zenodo
Year: 2018
Subjects: standards
heliophysics
python

description: A set of standards for the Python in Heliophysics Community.
Incompatibility in general probabilistic theories, generalized spectrahedra, and tensor norms
Creators: name: Bluhm, Andreas
name: Jenčová, Anna
name: Nechita, Ion
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: Functional Analysis (math.FA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: In this work, we investigate measurement incompatibility in general probabilistic theories (GPTs). We show several equivalent characterizations of compatible measurements. The first is in terms of the positivity of associated maps. The second relates compatibility to the inclusion of certain generalized spectrahedra. For this, we extend the theory of free spectrahedra to ordered vector spaces. The third characterization connects the compatibility of dichotomic measurements to the ratio of tensor crossnorms of Banach spaces. We use these characterizations to study the amount of incompatibility present in different GPTs, i.e. their compatibility regions. For centrally symmetric GPTs, we show that the compatibility degree is given as the ratio of the injective and the projective norm of the tensor product of associated Banach spaces. This allows us to completely characterize the compatibility regions of several GPTs, and to obtain optimal universal bounds on the compatibility degree in terms of the 1-summing constants of the associated Banach spaces. Moreover, we find new bounds on the maximal incompatibility present in more than three qubit measurements.
description: 60 pages, 4 figures. Changed the notation of the norm characterizing compatibility from rho-norm to c-norm
Work and Efficiency of Quantum Otto Cycles in Power Law Trapping Potentials
Creators: name: Zheng, Yuanjian
name: Poletti, Dario
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We study the performance of a quantum Otto cycle driven by trapping potentials of the form $V_t(x) \sim x^{2q}$. This family of potentials possesses a simple scaling property which allows for analytical insights into the efficiency and work output of the cycle. We show that, while both the mean work output and the efficiency of two Otto cycles in different trapping potentials can be made equal, the work probability distribution will still be strongly affected by the difference in structure of the energy levels. Lastly, we perform a comparison of quantum Otto cycles in various physically relevant scenarios and find that in certain instances, the efficiency of the cycle is greater when using potentials with larger values of $q$, while, in other cases, with harmonic traps.
description: 6 pages, 4 figures
Low-Complexity Steered Response Power Mapping based on Nyquist-Shannon Sampling
Creators: name: Dietzen, Thomas
name: De Sena, Enzo
name: van Waterschoot, Toon
Publisher: name: arXiv
Year: 2020
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: The steered response power (SRP) approach to acoustic source localization computes a map of the acoustic scene from the frequency-weighted output power of a beamformer steered towards a set of candidate locations. Equivalently, SRP may be expressed in terms of time-domain generalized cross-correlations (GCCs) at lags equal to the candidate locations' time-differences of arrival (TDOAs). Due to the dense grid of candidate locations, each of which requires inverse Fourier transform (IFT) evaluations, conventional SRP exhibits a high computational complexity. In this paper, we propose a low-complexity SRP approach based on Nyquist-Shannon sampling. Noting that on the one hand the range of possible TDOAs is physically bounded, while on the other hand the GCCs are bandlimited, we critically sample the GCCs around their TDOA interval and approximate the SRP map by interpolation. In usual setups, the number of sample points can be orders of magnitude less than the number of candidate locations and frequency bins, yielding a significant reduction of IFT computations at a limited interpolation cost. Simulations comparing the proposed approximation with conventional SRP indicate low approximation errors and equal localization performance. MATLAB and Python implementations are available online.
Additional file 1 of Incidence of catheter-related bloodstream infections following ultrasound-guided central venous catheterization: a systematic review and meta-analysis
Creators: name: Takeshita, Jun
name: Tachibana, Kazuya
name: Nakajima, Yasufumi
name: Shime, Nobuaki
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Supplementary Material 1
Monge-Ampère type equations on almost Hermitian manifolds
Creators: name: Zhang, Jiaogen
Publisher: name: arXiv
Year: 2021
Subjects: subject: Differential Geometry (math.DG)
subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics

description: In this paper, we consider the Monge-Ampère type equations on compact almost Hermitian manifolds. We derive $C^{\infty}$ a priori estimates under the existence of an admissible $\mathcal{C}$-subsolution. Finally, we obtain an existence result if there exists an admissible supersolution.
Fanaroff-Riley dichotomy of radio galaxies and the Malmquist bias
Creators: name: Singal, Ashok K.
name: Rajpurohit, Kamlesh
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We examine the possibility that a claimed dependence of the FR 1/2 break value in radio luminosity on the absolute magnitude of the optical host galaxy could be due to the Malmquist bias, where a redshift-luminosity correlation appears in a flux-limited sample because of an observational selection effect. In such a sample, the redshift dependence of a phenomenon could appear as a luminosity-dependent effect and may not be really representing an intrinsic property of the radio sample. We test this on the radio complete MRC (Molonglo Reference Catalog) sample, where Spearman rank correlation and Kendall rank correlation tests show that the correlations are indeed stronger between the redshift and the optical luminosity than that between the radio luminosity and the optical luminosity, suggesting that the latter correlation perhaps arises because of the Malmquist Bias. We further show that similar effects of the Malmquist bias could also be present elsewhere in other correlations claimed in the literature between the radio luminosity and other observed properties of FR1 and FR2 sources.
description: 5 pages, 9 figures, 1 table, to appear in MNRAS. arXiv admin note: substantial text overlap with arXiv:1212.0667
Additional file 1 of Enhancement of effector functions of anti-CD20 monoclonal antibody by increased afucosylation in CHO cell line through cell culture medium optimization
Creators: name: Bheemareddy, Bala Reddy
name: Reddy, Prakash Narayana
name: Vemparala, Kranthi
name: Dirisala, Vijaya R.
Publisher: name: figshare
Year: 2022
Subjects: subject: Immunology
subject: FOS: Clinical medicine

description: Additional file 1: Figure S1. Chromatograms corresponding to affinity, anion exchange (AEX), and cation exchange (CEX) chromatography for purification of anti-CD20 antibody. Antibody recovery from each purification step was 92 %, 83 % and 79 % by affinity, anion exchange and cation exchange chromatography respectively. Figure S2. CEX output was subjected to filtration by Planova 20 N filter to remove any residual viral particles. The recovered output after filtration is 100 % with no loss. Figure S3. Overlaid glycan chromatogram profiles of test anti-CD20 antibody and control antibody. The levels of fucose is less in test antibody (P2-CRD-1508) in comparison to the control antibody (RS-02-25) which is responsible for enhanced ADCC activity of test antibody. Supplementary Table 1. Details of affinity, AEX and CEX chromatography phases, buffers, and operating parameters. Supplementary Table 2. Dot-blot sample scheme layout for Fig. 1.
Estimation of Missing Data in Intelligent Transportation System
Creators: name: Najafi, Bahareh
name: Parsaeefard, Saeedeh
name: Leon-Garcia, Alberto
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Missing data is a challenge in many applications, including intelligent transportation systems (ITS). In this paper, we study traffic speed and travel time estimations in ITS, where portions of the collected data are missing due to sensor instability and communication errors at collection points. These practical issues can be remediated by missing data analysis, which are mainly categorized as either statistical or machine learning(ML)-based approaches. Statistical methods require the prior probability distribution of the data which is unknown in our application. Therefore, we focus on an ML-based approach, Multi-Directional Recurrent Neural Network (M-RNN). M-RNN utilizes both temporal and spatial characteristics of the data. We evaluate the effectiveness of this approach on a TomTom dataset containing spatio-temporal measurements of average vehicle speed and travel time in the Greater Toronto Area (GTA). We evaluate the method under various conditions, where the results demonstrate that M-RNN outperforms existing solutions,e.g., spline interpolation and matrix completion, by up to 58% decreases in Root Mean Square Error (RMSE).
description: presented at the 2020 92nd IEEE conference on vehicular technology, 18 Nov.-16 Dec 2020 6 pages, 5 figures, 2 tables
A sub-arcsecond study of the hot molecular core in G023.01-00.41
Creators: name: Sanna, A.
name: Cesaroni, R.
name: Moscadelli, L.
name: Zhang, Q.
name: Menten, K. M.
name: Molinari, S.
name: Garatti, A. Caratti o
name: De Buizer, J. M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: (Abridged) METHODS: We performed SMA observations at 1.3 mm with both the most extended and compact array configurations, providing sub-arcsecond and high sensitivity maps of various molecular lines, including both hot-core and outflow tracers. We also reconstruct the spectral energy distribution of the region from millimeter to near infrared wavelengths, using the Herschel/Hi-GAL maps, as well as archival data. RESULTS: From the spectral energy distribution, we derive a bolometric luminosity of about 4x10^4 Lsun. Our interferometric observations reveal that the distribution of dense gas and dust in the HMC is significantly flattened and extends up to a radius of 8000 AU from the center of radio continuum and maser emission in the region. The equatorial plane of this HMC is strictly perpendicular to the elongation of the collimated bipolar outflow, as imaged on scales of about 0.1-0.5 pc in the main CO isotopomers as well as in the SiO(5-4) line. In the innermost HMC regions (ca. 1000 AU), the velocity field traced by the CH3CN(12_K-11_K) line emission shows that molecular gas is both expanding along the outflow direction following a Hubble-law, and rotating about the outflow axis, in agreement with the (3-D) velocity field traced by methanol masers. The velocity field associated with rotation indicates a dynamical mass of 19 Msun at the center of the core. The latter is likely to be concentrated in a single O9.5 ZAMS star, consistent with the estimated bolometric luminosity of G023.01-00.41. The physical properties of the CO(2-1) outflow emission, such as its momentum rate 6x10^-3 Msun km/s /yr and its outflow rate 2x10^-4 Msun/yr, support our estimates of the luminosity (and mass) of the embedded young stellar object.
description: 24 pages, 11 figures, 6 tables, accepted by Astronomy & Astrophysics
Overlap of a spherical spin glass model with microscopic external field
Creators: name: Collins-Woodfin, Elizabeth
Publisher: name: arXiv
Year: 2021
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences

description: We examine the behavior of the 2-spin spherical Sherrington-Kirkpatrick model with an external field by analyzing the overlap of a spin with the external field. Previous research has noted that, at low temperature, this overlap exhibits dramatically different behavior in the presence of an external field as compared to the model with no external field. The transition between those two settings was examined in a recent physics paper by Baik, Collins-Woodfin, Le Doussal, and Wu as well as a recent math paper by Landon and Sosoe. Both papers focus on the setting in which the external field strength, $h$, approaches zero as the dimension, $N$, approaches infinity. In particular, the paper of Baik et al studies the overlap with a microscopic external field ($h\sim N^{-1/2}$) but without a rigorous proof. This paper aims to give a proof of that result. The proof involves representing the generating function of the overlap as a ratio of contour integrals and then analyzing the asymptotics of those contour integrals using results from random matrix theory.
description: 21 pages
title: Targeted Educational Interventions to Increase Knowledge and Influence Attitudes about Nutritional Concepts in School-Aged Children
Creators: name: Weaks, Chelsea
name: Montoya, Ashley
name: Nelson, Angela
name: Sathia, Shivanee
name: Evans, Rachael
name: Siechman, Jessica
name: Crilley, Caroline
Publisher: name: Old Dominion University Libraries
Year: 2017

description: Good nutritional habits have been linked to increased overall health and wellness, therefore working with children has the greatest impact on their overall lifestyle and lifelong habits. Nutritional interventions decrease the risk of future health complications that can result in premature death. This study aims to evaluate the knowledge base of school-aged children sampled from an existing after-school nutrition education program and measure the efficacy of an additional two-step intervention. Our two-step intervention includes a content knowledge educational intervention on day one and a play-based learning intervention on day two to allow for knowledge acquisition and subsequent application of knowledge to improve retention. The intervention will be analyzed with a pre- and post-survey to evaluate the impact on the experimental group and to compare the intervention to a control group. We hope this intervention will yield positive attitudes toward healthy food choices. If so, similar interventions can be implemented in school and/or in after-school programs to help improve nutritional knowledge in children.
On the Gross order of vanishing conjecture for large vanishing orders
Creators: name: Hofer, Martin
name: Kleine, Sören
Publisher: name: arXiv
Year: 2021
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 11R23, 11R42

description: We prove the Gross order of vanishing conjecture in special cases where the vanishing order of the character in question can be arbitrarily large. In almost all previously known cases the vanishing order is zero or one. One major ingredient of our proofs is the equivalence of this conjecture to the Gross-Kuz'min conjecture. We present here a direct proof of this equivalence, using only the known validity of the Iwasawa Main Conjecture over totally real fields.
On the randomized complexity of Banach space valued integration
Creators: name: Heinrich, Stefan
name: Hinrichs, Aicke
Publisher: name: arXiv
Year: 2013
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics

description: We study the complexity of Banach space valued integration in the randomized setting. We are concerned with $r$-times continuously differentiable functions on the $d$-dimensional unit cube $Q$, with values in a Banach space $X$, and investigate the relation of the optimal convergence rate to the geometry of $X$. It turns out that the $n$-th minimal errors are bounded by $cn^{-r/d-1+1/p}$ if and only if $X$ is of equal norm type $p$.
description: 12 pages
Explainability: Relevance based Dynamic Deep Learning Algorithm for Fault Detection and Diagnosis in Chemical Processes
Creators: name: Agarwal, Piyush
name: Tamer, Melih
name: Budman, Hector
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The focus of this work is on Statistical Process Control (SPC) of a manufacturing process based on available measurements. Two important applications of SPC in industrial settings are fault detection and diagnosis (FDD). In this work a deep learning (DL) based methodology is proposed for FDD. We investigate the application of an explainability concept to enhance the FDD accuracy of a deep neural network model trained with a data set of relatively small number of samples. The explainability is quantified by a novel relevance measure of input variables that is calculated from a Layerwise Relevance Propagation (LRP) algorithm. It is shown that the relevances can be used to discard redundant input feature vectors/ variables iteratively thus resulting in reduced over-fitting of noisy data, increasing distinguishability between output classes and superior FDD test accuracy. The efficacy of the proposed method is demonstrated on the benchmark Tennessee Eastman Process.
description: Under Review. arXiv admin note: text overlap with arXiv:2012.03861
Il diritto d'autore in ambito accademico: pubblicare senza perdere diritti e tutelarsi dall'editoria predatoria
Creators: name: Aliprandi, Simone
Publisher: name: Zenodo
Year: 2023
Subjects: copyright
diritto d'autore
università
open access
biblioteche

description: Le slides utilizzate per il webinar organizzato dall'Università degli Studi di Perugia e tenutosi online il 23 febbraio 2023.
Chaotic flavor evolution in an interacting neutrino gas
Creators: name: Hansen, Rasmus Sloth
name: Hannestad, Steen
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Neutrino-neutrino refraction can lead to non-periodic flavor oscillations in dense neutrino gases, and it has been hypothesized that some solutions are chaotic in nature. This is of particular interest in the case of neutrino emission from core-collapse supernovae where the measurement of the spectral shape for different flavors can provide crucial information about both neutrino physics and the physical conditions close to the proto-neutron star. Whether a system is chaotic or not can be assessed by the Lyapunov exponents which quantify the rate of divergence of nearby trajectories in the system. We have done a numerical case study for a simple toy model of two neutrino flavors with two momentum states traveling against each other which is known to exhibit flavor transition instabilities. We find the leading Lyapunov exponent to be positive in all cases, confirming the chaoticity of the system for both the normal and the inverted neutrino mass hierarchy. However, more Lyapunov exponents were approximately zero in the inverted hierarchy compared to the normal which has implications for the stability of the system. To investigate this, we have calculated a generalized set of normal modes, the so-called covariant Lyapunov vectors. The covariant Lyapunov vectors associated with vanishing Lyapunov exponents showed the existence of marginally stable directions in phase space for some cases. While our analysis was done for a toy model example, it should work equally well for more realistic cases of neutrinos streaming from a proto-neutron star and provide valuable insight into the nature of the flavor instability. We finally stress that our approach captures many more properties of the physical system than the linear stability analyses which have previously been performed.
description: 14 pages, 12 figures
How Robust are the Inferred Density and Metallicity of the Circumgalactic Medium?
Creators: name: Acharya, Anshuman
name: Khaire, Vikram
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Quantitative estimates of the basic properties of the circumgalactic medium(CGM), such as its density and metallicity, depend on the spectrum of incident UV background radiation. Models of UV background are known to have large variations, mainly because they are synthesized using poorly constrained parameters, which introduce uncertainty in the inferred properties of the CGM. Here, we quantify this uncertainty using a large set of new UV background models with physically motivated toy models of metal-enriched CGM. We find that, the inferred density and metallicity of low-density ($10^{-5}$ cm$^{-3}$) gas is uncertain by factors of 6.3 and 3.2, whereas high density ($10^{-3}$ cm$^{-3}$) gas by factors of 4 and 1.6, respectively. The variation in the shape of the UV background models is entirely responsible for such a variation in the metallicity while variation in the density arises from both normalization and shape of the UV background. Moreover, we find a harder (softer) UV background infers higher (lower) density and metallicity. We also study warm-hot gas at $T= 10^{5.5}$ K and find that metallicity is robustly estimated but the inferred density is uncertain by a factor of 3 to 5.4 for low to high-density gas. Such large uncertainties in density and metallicity may severely limit the studies of the CGM and demand better observational constraints on the input parameters used in synthesizing UV background.
description: 19 pages, 16 figures, 2 tables: accepted for publication in the Monthly Notices of the Royal Astronomical Society (MNRAS)
The Non-Commutative $A_1$ $T$-system and its positive Laurent property
Creators: name: Di Francesco, P.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Algebra (math.QA)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 46L55, 82B20

description: We define a non-commutative version of the $A_1$ T-system, which underlies frieze patterns of the integer plane. This system has discrete conserved quantities and has a particular reduction to the known non-commutative Q-system for $A_1$. We solve the system by generalizing the flat $GL_2$ connection method used in the commuting case to a 2$\times$2 flat matrix connection with non-commutative entries. This allows to prove the non-commutative positive Laurent phenomenon for the solutions when expressed in terms of admissible initial data. These are rephrased as partition functions of paths with non-commutative weights on networks, and alternatively of dimer configurations with non-commutative weights on ladder graphs made of chains of squares and hexagons.
description: 21 pages, 35 figures, minor changes
Coherent injecting, extracting, and velocity filtering of neutral atoms in a ring trap via spatial adiabatic passage
Creators: name: Loiko, Yurii
name: Ahufinger, Veronica
name: Menchon-Enrich, Ricard
name: Birkl, Gerhard
name: Mompart, Jordi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We introduce here a coherent technique to inject, extract, and velocity filter neutral atoms in a ring trap coupled via tunneling to two additional waveguides. By adiabatically following the transverse spatial dark state, the proposed technique allows for an efficient and robust velocity dependent atomic population transfer between the ring and the input/output waveguides. We have derived explicit conditions for the spatial adiabatic passage that depend on the atomic velocity along the input waveguide as well as on the initial population distribution among the transverse vibrational states. The validity of our proposal has been checked by numerical integration of the corresponding two dimensional Schrödinger equation with state-of-the-art parameter values for $^{87}$Rb atoms and an optical dipole ring trap.
description: To be published in European Physical Journal D
Open Quantum Walks on Graphs
Creators: name: Attal, S.
name: Petruccione, F.
name: Sinayskiy, I.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Open quantum walks (OQW) are formulated as quantum Markov chains on graphs. It is shown that OQWs are a very useful tool for the formulation of dissipative quantum computing algorithms and for dissipative quantum state preparation. In particular, single qubit gates and the CNOT-gate are implemented as OQWs on fully connected graphs. Also, dissipative quantum state preparation of arbitrary single qubit states and of all two-qubit Bell-states is demonstrated. Finally, the discrete time version of dissipative quantum computing is shown to be more efficient if formulated in the language of OQWs.
description: 13 pages, 5 figures
Three Decades of Deception Techniques in Active Cyber Defense -- Retrospect and Outlook
Creators: name: Zhang, Li
name: Thing, Vrizlynn L. L.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Deception techniques have been widely seen as a game changer in cyber defense. In this paper, we review representative techniques in honeypots, honeytokens, and moving target defense, spanning from the late 1980s to the year 2021. Techniques from these three domains complement with each other and may be leveraged to build a holistic deception based defense. However, to the best of our knowledge, there has not been a work that provides a systematic retrospect of these three domains all together and investigates their integrated usage for orchestrated deceptions. Our paper aims to fill this gap. By utilizing a tailored cyber kill chain model which can reflect the current threat landscape and a four-layer deception stack, a two-dimensional taxonomy is developed, based on which the deception techniques are classified. The taxonomy literally answers which phases of a cyber attack campaign the techniques can disrupt and which layers of the deception stack they belong to. Cyber defenders may use the taxonomy as a reference to design an organized and comprehensive deception plan, or to prioritize deception efforts for a budget conscious solution. We also discuss two important points for achieving active and resilient cyber defense, namely deception in depth and deception lifecycle, where several notable proposals are illustrated. Finally, some outlooks on future research directions are presented, including dynamic integration of different deception techniques, quantified deception effects and deception operation cost, hardware-supported deception techniques, as well as techniques developed based on better understanding of the human element.
description: 19 pages