cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
T cells migrate to tumour sites after extracorporeal interleukin 2 stimulation and reinfusion in a patient with metastatic melanoma
Creators: name: Dummer, R.
name: Becker, J. C.
name: Eilles, Christoph
name: Schäfer, E.
name: Börner, W.
name: Burg, G.
Publisher: name: Universität Regensburg
Year: 1993
Subjects: subject: 610 Medizin
subject: Cell Movement
subject: Cytotoxicity, Immunologic
subject: Humans
subject: Interleukin-2/pharmacology
subject: Killer Cells, Lymphokine-Activated/transplantation
subject: Killer Cells, Natural/immunology
subject: Leukocyte Count
subject: Lymphocyte Activation
subject: Male
subject: Melanoma/pathology
subject: Middle Aged
subject: Receptors, Interleukin-2/immunology
subject: Recombinant Proteins/pharmacology
subject: Skin Neoplasms/secondary
subject: T-Lymphocyte Subsets/immunology
subject: Up-Regulation

description: Peripheral blood mononuclear cells (PBMC) were taken by leukapheresis from a patient with melanoma skin metastases and stimulated in vitro using 1000 IU recombinant interleukin 2 (IL-2)/ml to generate lymphokine-activated killer cells (LAK cells). Two-colour immunofluorescence analysis demonstrated an IL-2-induced up-regulation of CD25 on natural killer cells (CD56+) as well as on T lymphocytes (CD3+). After radiolabelling with indium-111, the cells were reinfused. Gamma-camera imaging revealed an enrichment at the tumour sites. Immunostaining of tumour tissue taken before and after scintigraphy demonstrated CD25+ T lymphocytes (CD2+, CD3+), but no natural killer cells (CD16+, CD56+) infiltrating the metastases. LAK cell enrichment at melanoma metastases in vivo did not involve natural killer cells, but was characterized by increased numbers of activated T lymphocytes in this patient.
Twisting and kappa-Poincare
Creators: name: Borowiec, Andrzej
name: Lukierski, Jerzy
name: Pachol, Anna
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We demonstrate that the coproduct of D=2 and D=4 quantum kappa-Poincare algebra in classical algebra basis can not be obtained by the cochain twist depending only on Poincare algebra generators. We also argue that nonexistence of such a twist does not imply the nonexistence of universal R-matrix.
description: p.13, v3: extended version, with enlarged final Sect.4 and added Appendix, to appear in Journ. Phys.A
Radiolytic Production of Fluorine Gas from MSR Relevant Fluoride Salts
Creators: name: Davis, Lance
name: Hania, Ralph
name: Boomstra, Dennis
name: Rossouw, Dillon
name: Charpin-Jacobs, Florence
name: Uhlir, Jan
name: Maracek, Martin
name: Beckers, Helmut
name: Riedel, Sebastian
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: 29999 Physical Sciences not elsewhere classified
subject: FOS: Physical sciences
subject: Microbiology
subject: FOS: Biological sciences
subject: Neuroscience
subject: Physiology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 20199 Astronomical and Space Sciences not elsewhere classified
subject: 69999 Biological Sciences not elsewhere classified
subject: Inorganic Chemistry
subject: Hematology
subject: Plant Biology

description: Radiolytic fluorine gas production at temperatures of 40°C to 60°C was investigated for the fluoride salts LiF, BeF2, UF4, ThF4, and 71.7LiF-16BeF2-12.3UF4 (FliBe-UF4) by gamma irradiation of powdered samples using spent fuel elements from the High Flux Reactor (HFR) Petten as the irradiation source; work of a similar nature was previously performed at Oak Ridge National Laboratory in the period 1965 to 1995. Gamma irradiation was conducted for just over 41 days, with total absorbed gamma dose ranging from ~45 MGy for the lightest salts to ~170 MGy for ThF4 and UF4. By measuring the gas pressure within salt-filled capsules during irradiation, it was possible to quantify radiolytic gas production for all salt samples except UF4. Production rates are reported as the salt G-values, measured as number of fluorine molecules produced per 100 eV of energy absorbed (molecules F2/100 eV). The G-values of the salts were found to be G(LiF) ~0.004, G(BeF2) ~0.009, G(ThF4) ~0.021, and G(FLiBe-UF4) ~0.005.
Measurements of differential cross sections of Higgs boson production through gluon fusion in the $H\to WW^{\ast}\to e\nu\mu\nu$ final state at $\sqrt{s} = 13$ TeV with the ATLAS detector
Creators: name: ATLAS Collaboration
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: p p: colliding beams
Higgs particle: hadroproduction
gluon: fusion
gluon gluon: fusion
p p: scattering
Higgs particle: decay modes
W: pair production
W: leptonic decay
final state: ((n)jet dilepton)
differential cross section: measured
transverse momentum dependence
rapidity dependence
mass dependence
angular dependence
ATLAS
numerical calculations: Monte Carlo
CERN LHC Coll
phase space
experimental results
13000 GeV-cms

description: Higgs boson production via gluon-gluon fusion is measured in the $WW^{\ast} \to e\nu\mu\nu$ decay channel. The dataset utilized corresponds to an integrated luminosity of 139 fb$^{-1}$ collected by the ATLAS detector from $\sqrt{s}=13$ TeV proton-proton collisions delivered by the Large Hadron Collider between 2015 and 2018. Differential cross sections are measured in a fiducial phase space restricted to the production of at most one additional jet. The results are consistent with Standard Model expectations, derived using different Monte Carlo generators.
The effect of quenched bond disorder on first-order phase transitions
Creators: name: Bellafard, Arash
name: Chakravarty, Sudip
name: Troyer, Matthias
name: Katzgraber, Helmut G.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate the effect of quenched bond disorder on the two-dimensional three-color Ashkin-Teller model, which undergoes a first-order phase transition in the absence of impurities. This is one of the simplest and striking models in which quantitative numerical simulations can be carried out to investigate emergent criticality due to disorder rounding of first-order transition. Utilizing extensive cluster Monte Carlo simulations on large lattice sizes of up to $128 \times 128$ spins, each of which is represented by three colors taking values $\pm 1$, we show that the rounding of the first-order phase transition is an emergent criticality. We further calculate the correlation length critical exponent, $ν$, and the magnetization critical exponent, $β$, from finite size scaling analysis. We find that the critical exponents, $ν$ and $β$, change as the strength of disorder or the four-spin coupling varies, and we show that the critical exponents appear not to be in the Ising universality class. We know of no analytical approaches that can explain our non-perturbative results. However our results should inspire further work on this important problem, either numerical or analytical.
description: 8 pages, 11 figures; the simulations are now extended to 128x128 lattice with three colors of the Ashvin-Teller model
Calibration of the light-flavour jet mistagging efficiency of the $b$-tagging algorithms with $Z$+jets events using 139 $\mathrm{fb}^{-1}$ of ATLAS proton-proton collision data at $\sqrt{s} = 13$ TeV
Creators: name: ATLAS Collaboration
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: p p: scattering
p p: colliding beams
Z0: hadroproduction
jet: associated production
Z0: leptonic decay
electron: pair production
muon: pair production
calibration
particle identification: efficiency
ATLAS
CERN LHC Coll
particle identification: performance
heavy quark
tracks
track data analysis: jet
data analysis method
experimental results
13000 GeV-cms

description: The identification of $b$-jets, referred to as $b$-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance is essential for high-quality physics results. This publication describes the calibration of the light-flavour jet mistagging efficiency in a data sample of proton-proton collision events at $\sqrt{s}=13$ TeV corresponding to an integrated luminosity of 139 fb$^{-1}$. The calibration is performed in a sample of $Z$ bosons produced in association with jets. Due to the low mistagging efficiency for light-flavour jets, a method which uses modified versions of the $b$-tagging algorithms referred to as flip taggers is used in this work. A fit to the jet-flavour-sensitive secondary-vertex mass is performed to extract the scale factor from data, while simultaneously correcting the $b$-jet efficiency. With this procedure the heavy-flavour uncertainties are considerably lower than in previous calibrations of the mistagging scale factors, where they were dominant. The scale factors obtained in this calibration are consistent with unity within uncertainties.
Triangulations of monotone families I: Two-dimensional families
Creators: name: Basu, Saugata
name: Gabrielov, Andrei
name: Vorobjov, Nicolai
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: Algebraic Topology (math.AT)
subject: Logic (math.LO)
subject: FOS: Mathematics

description: Let $K \subset {\mathbb R}^n$ be a compact definable set in an o-minimal structure over $\mathbb R$, e.g., a semi-algebraic or a subanalytic set. A definable family $\{ S_δ|\> 0< δ\in {\mathbb R} \}$ of compact subsets of $K$, is called a monotone family if $S_δ\subset S_η$ for all sufficiently small $δ> η>0$. The main result of the paper is that when $\dim K \le 2$ there exists a definable triangulation of $K$ such that for each (open) simplex $Λ$ of the triangulation and each small enough $δ>0$, the intersection $S_δ\cap Λ$ is equivalent to one of the five standard families in the standard simplex (the equivalence relation and a standard family will be formally defined). The set of standard families is in a natural bijective correspondence with the set of all five lex-monotone Boolean functions in two variables. As a consequence, we prove the two-dimensional case of the topological conjecture in [6] on approximation of definable sets by compact families. We introduce most technical tools and prove statements for compact sets $K$ of arbitrary dimensions, with the view towards extending the main result and proving the topological conjecture in the general case.
description: Minor corrections. 42 pages, 2 figures
Extending Statistical Boosting - An Overview of Recent Methodological Developments
Creators: name: Mayr, Andreas
name: Binder, Harald
name: Gefeller, Olaf
name: Schmid, Matthias
Publisher: name: arXiv
Year: 2014
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: Boosting algorithms to simultaneously estimate and select predictor effects in statistical models have gained substantial interest during the last decade. This review article aims to highlight recent methodological developments regarding boosting algorithms for statistical modelling especially focusing on topics relevant for biomedical research. We suggest a unified framework for gradient boosting and likelihood-based boosting (statistical boosting) which have been addressed strictly separated in the literature up to now. Statistical boosting algorithms have been adapted to carry out unbiased variable selection and automated model choice during the fitting process and can nowadays be applied in almost any possible type of regression setting in combination with a large amount of different types of predictor effects. The methodological developments on statistical boosting during the last ten years can be grouped into three different lines of research: (i) efforts to ensure variable selection leading to sparser models, (ii) developments regarding different types of predictor effects and their selection (model choice), (iii) approaches to extend the statistical boosting framework to new regression settings.
Supplementary File Research Letter: "Diet diversity in infancy and childhood obesity: Any cause for concern?"
Creators: name: Venter, Manzi
name: Groetch, Marion
name: Pickett, Kaci
name: Venter, Carina
Publisher: name: Zenodo
Year: 2023

description: This file contains additional results tables for the Research Letter entitled "Diet diversity in infancy and childhood obesity: Any cause for concern?" for CEA
A region of high-spin toroidal isomers
Creators: name: Staszczak, Andrzej
name: Wong, Cheuk-Yin
Publisher: name: arXiv
Year: 2013
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: The combined considerations of both the bulk liquid-drop-type behawior and the quantized angular momentum reveal that high-spin toroidal isomeric states may have general occurrences for light nuclei with 28 <= A <= 48. High-spin N=Z toroidal isomers in this mass region have been located theoretically using cranked self-consistent constraint Skyrme-Hartree-Fock model calculations.
description: 6 pages, 5 figures
Effect of Decoherence for Gate Operations on a Superconducting Bosonic Qubit
Creators: name: Mizuno, Kosuke
name: Takenaka, Takaaki
name: Mahboob, Imran
name: Saito, Shiro
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: High-quality-factor 3D cavities in superconducting circuits are ideal candidates for bosonic logical qubits as their fidelity is limited only by the low photon loss rate. However, the transmon qubits that are used to manipulate bosonic qubits result in the emergence of additional relaxation and dephasing channels. In this work, a numerical study is performed to elucidate the effect of the various loss channels on the performance of logical gates on a bosonic qubit. A gate error model is developed that encapsulates the loss mechanisms for arbitrary gate operations and predicts experimentally achievable gate errors for bosonic qubits. The insights gleaned from this study into loss mechanisms suggest more efficient optimization algorithms that could reduce gate errors on bosonic qubits.
RIM YO'LLARI TARIXI VA HOZIRGI KUNDAGI HOLATI O'RGANISH.
Creators: name: Isayev, Jahongir
name: Amanov, Atabek
Publisher: name: Zenodo
Year: 2024

description: Bu maqolada asosan Rim yo‘llariga murojaat qilingan bo‘lib, qadimda Rim imperiyasida yo‘llari va ko‘piriklarni qurilishi, tanlangan kanstruksiyalari, rivojlanish bosqichlari va bugungi kundagi mavjud bo‘lgan zamonaviy holati o‘rganilgan.
Measurement of suppression of large-radius jets and its dependence on substructure in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV with the ATLAS detector
Creators: name: ATLAS Collaboration
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: jet: suppression
jet: transverse momentum
jet: yield
p p: scattering
splitting
structure
nucleus
TeV
ATLAS
quenching
GeV
kinematics
lead
CERN LHC Coll
Monte Carlo
Bayesian
statistical analysis
energy resolution

description: This letter presents a measurement of the nuclear modification factor of large-radius jets in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV Pb+Pb collisions by the ATLAS experiment. The measurement is performed using 1.72 nb$^{-1}$ and 257 pb$^{-1}$ of Pb+Pb and $pp$ data, respectively. The large-radius jets are reconstructed with the anti-$k_{t}$ algorithm using a radius parameter of $R = 1.0$, by re-clustering anti-$k_{t}$$R = 0.2$ jets, and are measured over the kinematic range of $158 < p_{\mathrm{T}} < 1000$ GeV and $|y|<2.0$. The large-radius jet constituents are further re-clustered using the $k_{t}$ algorithm in order to obtain the splitting parameters, $\sqrt{d_{12}}$ and $\Delta R_{12}$, which characterize the transverse momentum scale and angular separation for the hardest splitting in the jet, respectively. The nuclear modification factor, $R_{\mathrm{AA}}$, obtained by comparing the Pb+Pb jet yields to those in $pp$ collisions, is measured as a function of jet transverse momentum ($p_{\mathrm{T}}$) and $\sqrt{d_{12}}$ or $\Delta R_{12}$. A significant difference in the quenching of large-radius jets having single sub-jet and those with more complex substructure is observed. Systematic comparison of jet suppression in terms of $R_{\mathrm{AA}}$ for different jet definitions is also provided. Presented results support the hypothesis that jets with hard internal splittings lose more energy through quenching and provide a new perspective for understanding the role of jet structure in jet suppression.
Analyzing Characteristic Host Access Patterns for Re-Identification of Web User Sessions
Creators: name: Herrmann, Dominik
name: Gerber, Christoph
name: Banse, Christian
name: Federrath, Hannes
Publisher: name: Universität Regensburg
Year: 2010
Subjects: subject: 004 Informatik

description: An attacker, who is able to observe a web user over a long period of time, learns a lot about his interests. It may be difficult to track users with regularly changing IP addresses, though. We show how patterns mined from web traffic can be used to re-identify a majority of users, i. e. link multiple sessions of them. We implement the web user re-identification attack using a Multinomial Naive Bayes classifier and evaluate it using a real-world dataset from 28 users. Our evaluation setup complies with the limited knowledge of an attacker on a malicious web proxy server, who is only able to observe the host names visited by its users. The results suggest that consecutive sessions can be linked with high probability for session durations from 5 minutes to 48 hours and that user profiles degrade only slowly over time. We also propose basic countermeasures and evaluate their efficacy.
Imaging pattern of radiolabelled lymphokine-activated killer cells in patients with metastatic malignant melanoma
Creators: name: Schäfer, E.
name: Dummer, R.
name: Eilles, Christoph
name: Börner, W.
name: Martin, R.
name: Rendl, J.
name: Burg, G.
Publisher: name: Universität Regensburg
Year: 1991
Subjects: subject: 610 Medizin
subject: Adult
subject: Aged
subject: Humans
subject: Immunotherapy, Adoptive
subject: Indium Radioisotopes/diagnostic use
subject: Interleukin-2/immunology
subject: Isotope Labeling
subject: Killer Cells, Lymphokine-Activated/transplantation
subject: Male
subject: Melanoma/therapy
subject: Middle Aged

description: In patients with metastatic malignant melanoma the distribution patterns of radiolabelled lymphokine-activated killer (LAK) cells were investigated. Peripheral mononuclear cells (PMC) were isolated from six patients. LAK cells were generated by culturing PMC in complete medium containing 1000 U interleukin (IL)-2/ml and labelled with indium 111 before retransfer. We obtained scans at 2.5, 24, 48 or 96 h after injection with a high resolution gamma-camera. Intravenously injected LAK cells distributed to the lungs, liver, spleen and bone marrow. External tumour detection of known lymph node and bone metastases was successful in four. It failed in one patient with a solitary lung metastasis and in another patient with subcutaneous metastases. Our results suggest that LAK cells show tumour homing, providing a direct interaction between tumour and cytotoxic cells. We conclude that PMC seem to retain their ability to migrate after IL-2 stimulation and 111In-labeling. This technique may be helpful for kinetics studies or external detection of metastases in patients with malignant melanoma.
Lattice QCD study of $\pi\Sigma\unicode{x2013}\bar{K}N$ scattering and the $\Lambda(1405)$ resonance
Creators: name: Bulava, John
name: Cid-Mora, Bárbara
name: Hanlon, Andrew D.
name: Hörz, Ben
name: Mohler, Daniel
name: Morningstar, Colin
name: Moscoso, Joseph
name: Nicholson, Amy
name: Romero-López, Fernando
name: Skinner, Sarah
name: Walker-Loud, André
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: resonance, pole
quark, flavor
lattice field theory
Lambda(1405)
scattering amplitude
scattering
baryon
correlation
parametrization
gauge field theory
meson baryon
bound state
coupled channel
finite size

description: A lattice QCD computation of the coupled channel $\pi\Sigma\unicode{x2013}\bar{K}N$ scattering amplitudes in the $\Lambda(1405)$ region is detailed. Results are obtained using a single ensemble of gauge field configurations with $N_{\rm f} = 2+1$ dynamical quark flavors and $m_{\pi} \approx 200$ MeV and $m_K\approx487$ MeV. Hermitian correlation matrices using both single baryon and meson-baryon interpolating operators for a variety of different total momenta and irreducible representations are used. Several parametrizations of the two-channel scattering $K$-matrix are utilized to obtain the scattering amplitudes from the finite-volume spectrum. The amplitudes, continued to the complex energy plane, exhibit a virtual bound state below the $\pi\Sigma$ threshold and a resonance pole just below the $\bar{K}N$ threshold.
A Direct Reconstruction Method for Anisotropic Electrical Impedance Tomography
Creators: name: Hamilton, Sarah Jane
name: Lassas, Matti
name: Siltanen, Samuli
Publisher: name: arXiv
Year: 2014
Subjects: subject: Analysis of PDEs (math.AP)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 35R30, 65N21

description: A novel computational, non-iterative and noise-robust reconstruction method is introduced for the planar anisotropic inverse conductivity problem. The method is based on bypassing the unstable step of the reconstruction of the values of the isothermal coordinates on the boundary of the domain. Non-uniqueness of the inverse problem is dealt with by recovering the unique isotropic conductivity that can be achieved as a deformation of the measured anisotropic conductivity by \emph{isothermal coordinates}. The method shows how isotropic D-bar reconstruction methods have produced reasonable and informative reconstructions even when used on EIT data known to come from anisotropic media, and when the boundary shape is not known precisely. Furthermore, the results pave the way for regularized anisotropic EIT. Key aspects of the approach involve D-bar methods and inverse scattering theory, complex geometrical optics solutions, and quasi-conformal mapping techniques.
description: 30 pages, 8 figures
Light-curve modelling constraints on the obliquities and aspect angles of the young Fermi pulsars
Creators: name: Pierbattista, M.
name: Harding, A. K.
name: Grenier, I. A.
name: Johnson, T. J.
name: Caraveo, P. A.
name: Kerr, M.
name: Gonthier, P. L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: In more than four years of observation the Large Area Telescope on board the Fermi satellite has identified pulsed $γ$-ray emission from more than 80 young pulsars, providing light curves with high statistics. Fitting the observations with geometrical models can provide estimates of the magnetic obliquity $α$ and aspect angle $ζ$, yielding estimates of the radiation beaming factor and luminosity. Using $γ$-ray emission geometries (Polar Cap, Slot Gap, Outer Gap, One Pole Caustic) and radio emission geometry, we fit $γ$-ray light curves for 76 young pulsars and we jointly fit their $γ$-ray plus radio light curves when possible. We find that a joint radio plus $γ$-ray fit strategy is important to obtain ($α$, $ζ$) estimates that can explain simultaneous radio and $γ$-ray emission. The intermediate-to-high altitude magnetosphere models, Slot Gap, Outer Gap, and One pole Caustic, are favoured in explaining the observations. We find no evolution of $α$ on a time scale of a million years. For all emission geometries our derived $γ$-ray beaming factors are generally less than one and do not significantly evolve with the spin-down power. A more pronounced beaming factor vs. spin-down power correlation is observed for Slot Gap model and radio-quiet pulsars and for the Outer Gap model and radio-loud pulsars. For all models, the correlation between $γ$-ray luminosity and spin-down power is consistent with a square root dependence. The $γ$-ray luminosities obtained by using our beaming factors not exceed the spin-down power. This suggests that assuming a beaming factor of one for all objects, as done in other studies, likely overestimates the real values. The data show a relation between the pulsar spectral characteristics and the width of the accelerator gap that is consistent with the theoretical prediction for the Slot Gap model.
description: 90 pages, 80 figures (63 in Appendices), accepted for publication in Astronomy and Astrophysics
The two-pole nature of the $\Lambda(1405)$ from lattice QCD
Creators: name: Bulava, John
name: Cid-Mora, Bárbara
name: Hanlon, Andrew D.
name: Hörz, Ben
name: Mohler, Daniel
name: Morningstar, Colin
name: Moscoso, Joseph
name: Nicholson, Amy
name: Romero-López, Fernando
name: Skinner, Sarah
name: Walker-Loud, André
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2023
Subjects: resonance, pole
quark, mass
symmetry, chiral
lattice field theory
scattering amplitude
Lambda(1405)
parity
strangeness
unitarity
quantum number
parametrization
meson baryon
bound state
coupled channel
SU(3)
isospin
spin
finite size

description: This letter presents the first lattice QCD computation of the coupled channel $\pi\Sigma\unicode{x2013}\bar{K}N$ scattering amplitudes at energies near $1405\,{\rm MeV}$. These amplitudes contain the resonance $\Lambda(1405)$ with strangeness $S=-1$ and isospin, spin, and parity quantum numbers $I(J^P)=0(1/2^-)$. However, whether there is a single resonance or two nearby resonance poles in this region is controversial theoretically and experimentally. Using single-baryon and meson-baryon operators to extract the finite-volume stationary-state energies to obtain the scattering amplitudes at slightly unphysical quark masses corresponding to $m_\pi\approx200$ MeV and $m_K\approx487$ MeV, this study finds the amplitudes exhibit a virtual bound state below the $\pi\Sigma$ threshold in addition to the established resonance pole just below the $\bar{K}N$ threshold. Several parametrizations of the two-channel $K$-matrix are employed to fit the lattice QCD results, all of which support the two-pole picture suggested by $SU(3)$ chiral symmetry and unitarity.
Impact of Private Foreign Investment on Economic Growth: A Study of Nigeria (1999-2021)
Creators: name: John, Davies
name: Dr. Robert, Smith
name: Dr. Laura, Williams
Publisher: name: AYDEN JOURNAL
Year: 2024
Subjects: economic growth; foreign direct investment; foreign portfolio investment; remittances.

description: To facilitate economic growth, there must be an adequate level of savings and investments, and one avenue to improve the level of savings and investments is to attract private foreign capital. Therefore, this study assessed the effect of private foreign capital on economic growth in Nigeria from 1999-2021. The study proposed a model of economic growth using private foreign capital variables such as foreign direct investment (FDI), foreign portfolio investment (FPI), and remittances as predictors. The data were subjected to unit root tests and were found to be stationary in mixed order at levels and first difference justifying the choice of the Autoregressive Distributed Lag approach for data analyses. The result of the ARDL test revealed that FDI is significant and positively influences economic growth (β = 2.84, p<0.05). Likewise, remittances are significant but have a negative contribution to economic growth (β = -0.71 , p<0.05). FPI was found to not affect economic growth in Nigeria (β = 0.02, ns) in the longrun. Also, the estimated coefficients of the shortrun relationship for the model revealed that FDI and remittances are significant in impacting economic growth with FDI contributing positively (β = 2.70, p<0.05) and remittances contributing negatively (β = -0.68 , p<0.05). FPI still failed to influence economic growth in Nigeria (β = -0.33 , ns). Therefore, the study concludes that foreign direct investment and remittances are significant predictors of economic growth. The study recommended that a stable and predictable policy environment needs to be in place to build foreign investors’ confidence
Evidence for cosmic neutrino background form CMB circular polarization
Creators: name: Mohammadi, Rohoollah
Publisher: name: arXiv
Year: 2013
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The primordial anisotropies of the cosmic microwave background are linearly polarized via Compton-scattering. On the other hand, a primordial degree of circular polarization of the Cosmic Microwave Background is not observationally excluded. In this work, we discuss the generation of the circular polarization of CMB via their scattering on the cosmic neutrino background since the epoch of recombination. We show that photon-neutrino interaction can transform plane polarization into circular polarization through processes $γ+ν\rightarrowγ+ν$ and the Stokes-V parameter of CMB has linear dependence on the wavelength and square dependence on the average pressure and shear stress perturbations of cosmic neutrino background and also the maximum value of $C^V$ is estimated in range of a few Nano-Kelvin square.
description: arXiv admin note: text overlap with arXiv:1104.3555 by other authors
Radiomics-enhanced Deep Multi-task Learning for Outcome Prediction in Head and Neck Cancer
Creators: name: Meng, Mingyuan
name: Bi, Lei
name: Feng, Dagan
name: Kim, Jinman
Publisher: name: arXiv
Year: 2022
Subjects: subject: Image and Video Processing (eess.IV)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: Outcome prediction is crucial for head and neck cancer patients as it can provide prognostic information for early treatment planning. Radiomics methods have been widely used for outcome prediction from medical images. However, these methods are limited by their reliance on intractable manual segmentation of tumor regions. Recently, deep learning methods have been proposed to perform end-to-end outcome prediction so as to remove the reliance on manual segmentation. Unfortunately, without segmentation masks, these methods will take the whole image as input, such that makes them difficult to focus on tumor regions and potentially unable to fully leverage the prognostic information within the tumor regions. In this study, we propose a radiomics-enhanced deep multi-task framework for outcome prediction from PET/CT images, in the context of HEad and neCK TumOR segmentation and outcome prediction challenge (HECKTOR 2022). In our framework, our novelty is to incorporate radiomics as an enhancement to our recently proposed Deep Multi-task Survival model (DeepMTS). The DeepMTS jointly learns to predict the survival risk scores of patients and the segmentation masks of tumor regions. Radiomics features are extracted from the predicted tumor regions and combined with the predicted survival risk scores for final outcome prediction, through which the prognostic information in tumor regions can be further leveraged. Our method achieved a C-index of 0.681 on the testing set, placing the 2nd on the leaderboard with only 0.00068 lower in C-index than the 1st place.
description: HEad and neCK TumOR segmentation and outcome prediction challenge (HECKTOR 2022)
Detection of a Supervoid Aligned with the Cold Spot of the Cosmic Microwave Background
Creators: name: Szapudi, István
name: Kovács, András
name: Granett, Benjamin R.
name: Frei, Zsolt
name: Silk, Joseph
name: Burgett, Will
name: Cole, Shaun
name: Draper, Peter W.
name: Farrow, Daniel J.
name: Kaiser, Nicholas
name: Magnier, Eugene A.
name: Metcalfe, Nigel
name: Morgan, Jeffrey S.
name: Price, Paul
name: Tonry, John
name: Wainscoat, Richard
Publisher: name: arXiv
Year: 2014
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We use the WISE-2MASS infrared galaxy catalog matched with Pan-STARRS1 (PS1) galaxies to search for a supervoid in the direction of the Cosmic Microwave Background Cold Spot. Our imaging catalog has median redshift $z\simeq 0.14$, and we obtain photometric redshifts from PS1 optical colours to create a tomographic map of the galaxy distribution. The radial profile centred on the Cold Spot shows a large low density region, extending over 10's of degrees. Motivated by previous Cosmic Microwave Background results, we test for underdensities within two angular radii, $5^\circ$, and $15^\circ$. The counts in photometric redshift bins show significantly low densities at high detection significance, $\gtrsim 5 σ$ and $\gtrsim 6 σ$, respectively, for the two fiducial radii. The line-of-sight position of the deepest region of the void is $z\simeq 0.15-0.25$. Our data, combined with an earlier measurement by Granett et al. 2010, are consistent with a large $R_{\rm void}=(220 \pm 50) h^{-1}Mpc $ supervoid with $δ_{m} \simeq -0.14 \pm 0.04$ centered at $z=0.22\pm0.03$. Such a supervoid, constituting at least a $\simeq 3.3σ$ fluctuation in a Gaussian distribution of the $ΛCDM$ model, is a plausible cause for the Cold Spot.
description: 8 pages, 6 figures, accepted for publication by MNRAS
ASSESSMENT OF RENAL FUNCTION IMPAIRMENT AMONG HIV PATIENTS ON HIGHLY ACTIVE ANTIRETROVIRAL THERAPY IN SELECTED PUBLIC HOSPITALS IN ADIS ABEBA, ETHIOPIA 2018
Creators: name: BY HABIBA HUSSEN
Publisher: name: Zenodo
Year: 2018

description: Background: Human immunodeficiency virus (HIV) infection and its treatment cause renal diseases. Renal disease is associated with an increasing cause of morbidity and mortality in HIV positive individuals than in the general population. It has been also associated with adverse outcomes, such as complications of decreased renal functions and progression to renal failure. The aim of this studyistodetermine the prevalence and factors associated with renal function impairment among adult HIV patients taking highly active antiretroviral therapy inZewditu memorial hospital and saint poul’s Hospital millennium medical college in 2018 GC. Methods: A facility based cross-sectional study was conducted on a total of 698 HIV positive study participants in selected government hospitals located in Addis Ababa from 1st February 2018 to 1st April 2018. HIV positive patients on ARTduring the study period where included in the study by using systematic random sampling method. The outcome variable was measured by applying ckd-epi estimation equation and renal impairment was defined as eGFR<60ml\min\1.73m2.Socio-demographic characters, clinical and laboratory records were collected using a structured questionnaire. Data wasentered using epi data after cleaned and coded. Data was analyzedbyusing SPSS statistical package. Bivariate and multivariable logistic regression where done and variables with p-value<0.05 were considered statistically significant.

Result: the overall prevalence of renal impairment in this study was 3% (95%CI 1.7%-4.3%) with response rate of 98.9%. After adjustment; being cannot read and write (AOR = 4.18; 95% CI1.65,10.58) ,Bing hypertensive(AOR=1.86;95%CI1.045,3.305),being underweight(AOR =3.14 ;95% CI 1.07,9.2),being HBsAg positive (AOR= 0.376; 95%CI 0.168,0.84 ) and having proteinuria (AOR=3.55;95%CI 2.17,5.81) were found statistically significant predictors of renal impairment.

Conclusion: the prevalence of
Localizing Unsynchronized Sensors with Unknown Sources
Creators: name: Badawy, Dalia El
name: Larsson, Viktor
name: Pollefeys, Marc
name: Dokmanić, Ivan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: We propose a method for sensor array self-localization using a set of sources at unknown locations. The sources produce signals whose times of arrival are registered at the sensors. We look at the general case where neither the emission times of the sources nor the reference time frames of the receivers are known. Unlike previous work, our method directly recovers the array geometry, instead of first estimating the timing information. The key component is a new loss function which is insensitive to the unknown timings. We cast the problem as a minimization of a non-convex functional of the Euclidean distance matrix of microphones and sources subject to certain non-convex constraints. After convexification, we obtain a semidefinite relaxation which gives an approximate solution; subsequent refinement on the proposed loss via the Levenberg-Marquardt scheme gives the final locations. Our method achieves state-of-the-art performance in terms of reconstruction accuracy, speed, and the ability to work with a small number of sources and receivers. It can also handle missing measurements and exploit prior geometric and temporal knowledge, for example if either the receiver offsets or the emission times are known, or if the array contains compact subarrays with known geometry.
An efficient, variational approximation of the best fitting multi-Bernoulli filter
Creators: name: Williams, Jason L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: The joint probabilistic data association (JPDA) filter is a popular tracking methodology for problems involving well-spaced targets, but it is rarely applied in problems with closely-spaced targets due to its complexity in these cases, and due to the well-known phenomenon of coalescence. This paper addresses these difficulties using random finite sets (RFSs) and variational inference, deriving a highly tractable, approximate method for obtaining the multi-Bernoulli distribution that minimises the set Kullback-Leibler (KL) divergence from the true posterior, working within the RFS framework to incorporate uncertainty in target existence. The derivation is interpreted as an application of expectation-maximisation (EM), where the missing data is the correspondence of Bernoulli components (i.e., tracks) under each data association hypothesis. The missing data is shown to play an identical role to the selection of an ordered distribution in the same ordered family in the set JPDA algorithm. Subsequently, a special case of the proposed method is utilised to provide an efficient approximation of the minimum mean optimal sub-pattern assignment estimator. The performance of the proposed methods is demonstrated in challenging scenarios in which up to twenty targets come into close proximity.
description: Accepted, IEEE Transactions on Signal Processing, http://dx.doi.org/10.1109/TSP.2014.2370946
Projective uniformization, extremal Chern classes and quaternionic Shimura curves
Creators: name: Jahnke, Priska
name: Radloff, Ivo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics
subject: 53B10, 14D06, 14K10

description: Projective structures on compact real manifolds are classical objects in real differential geometry. Complex manifolds with a holomorphic projective structure on the other hand form a special class as soon as the dimension is greater than one. In the Kähler Einstein case, projective space, tori and ball quotients are essentially the only examples. They can be described purely in terms of Chern class conditions. We give a complete classification of all projective manifolds carrying a projective structure. The only additional examples are modular abelian families over quaternionic Shimura curves. They can also be described purely in terms of Chern class conditions.
description: 19 pages. arXiv admin note: text overlap with arXiv:0903.4571
Security in Large-Scale Internet Elections: A Retrospective Analysis of Elections in Estonia, The Netherlands, and Switzerland
Creators: name: Schryen, Guido
name: Rich, Eliot
Publisher: name: Universität Regensburg
Year: 2009
Subjects: subject: e-voting, Internet voting, Internet election, security, verifiability, RIES, Estonia, Neuchâtel
subject: 004 Informatik

description: Remote voting through the Internet provides convenience and access to the electorate. At the same time, the security concerns facing any distributed application are magnified when the task is so crucial to democratic society. In addition, some of the electoral process loses transparency when it is encapsulated in information technology. In this paper, we examine the public record of three recent elections that used Internet voting. Our specific goal is to identify any potential flaws that security experts would recognize, but may have not been identified in the rush to implement technology. To do this, we present a multiple exploratory case study, looking at elections conducted between 2006 and 2007 in Estonia, Netherlands, and Switzerland. These elections were selected as particularly interesting and accessible, and each presents its own technical and security challenges. The electoral environment, technical design and process for each election are described, including reconstruction of details which are implied but not specified within the source material. We found that all three elections warrant significant concern about voter security, verifiability, and transparency. Usability, our fourth area of focus, seems to have been well-addressed in these elections. While our analysis is based on public documents and previously published reports, and therefore lacking access to any confidential materials held by electoral officials, this comparative analysis provides interesting insight and consistent questions across all these cases. Effective review of Internet voting requires an aggressive stance towards identifying potential security and operational flaws, and we encourage the use of third party reviews with critical technology skills during design, programming, and voting to reduce the changes of failure or fraud that would undermine public confidence.
Global versus local optimality in feedback-controlled qubit purification: new insights from minimizing Rényi entropies
Creators: name: Teo, Colin
name: Combes, Joshua
name: Wiseman, Howard M.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: It was first shown by Jacobs, in 2003, that the process of qubit state purification by continuous measurement of one observable can be enhanced, on average, by unitary feedback control. Here, we quantify this by the reduction in any one of the family of Rényi entropies $S_α$, with $0< α< \infty$, at some terminal time, revealing the rich structure of stochastic quantum control even for this simple problem. We generalize Jacobs' original argument, which was for (the unique) impurity measure with a linear evolution map under his protocol, by replacing linearity with convexity, thereby making it applicable to Rényi entropies $S_α$ for $α$ in a finite interval about $1$. Even with this generalization, Jacobs' argument fails to identify the surprising fact, which we prove by Bellman's principle of dynamic programming, that his protocol is globally optimal for all Rényi entropies whose decrease is locally maximized by that protocol. Also surprisingly, even though there is a range of Rényi entropies whose decrease is always locally maximized by the null-control protocol, that null-control protocol cannot be shown to be globally optimal in any instance. These results highlight the non-intuitive relation between local and global optimality in stochastic quantum control.
description: 17 pages, 1 figure. Accepted for publication in the New Journal of Physics
Cohomology of $(φ,Γ)$-modules over pseudorigid spaces
Creators: name: Bellovin, Rebecca
Publisher: name: arXiv
Year: 2021
Subjects: subject: Number Theory (math.NT)
subject: FOS: Mathematics

description: We study the cohomology of families of $(φ,Γ)$-modules with coefficients in pseudoaffinoid algebras. We prove that they have finite cohomology, and we deduce an Euler characteristic formula and Tate local duality. We classify rank-$1$ $(φ, Γ)$-modules and deduce that triangulations of pseudorigid families of $(φ,Γ)$-modules can be interpolated, extending a result of [KPX14]. We then apply this to study extended eigenvarieties at the boundary of weight space, proving in particular that the eigencurve is proper at the boundary and that Galois representations attached to certain characteristic $p$ points are trianguline.
description: To appear in IMRN. Revision; added section A.2
Preheating with higher dimensional interaction
Creators: name: Enomoto, Seishi
name: Maekawa, Nobuhiro
name: Matsuda, Tomohiro
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Particle production caused by the oscillation after inflation is important since it explains reheating after inflation. On the particle theory side, we know that effective action may have additional higher dimensional terms (usually called non-renormalizable terms) suppressed by the cut-off scale. Moreover, interaction between inflaton and so-called moduli field will be higher dimensional. Therefore, if such higher dimensional interaction is significant for resonant particle production, one cannot avoid the effect in preheating study. We explicitly calculated the required number of oscillation for the energy transfer. Consequently, cosmological history of an oscillating field and the moduli problem can be reconsidered.
description: 7 pages, 2 figures
Capacitive monitoring of protein immobilization and antigen–antibody reactions on monomolecular alkylthiol films on gold electrodes
Creators: name: Mirsky, Vladimir M.
name: Riepl, Michael
name: Wolfbeis, Otto S.
Publisher: name: Universität Regensburg
Year: 1997
Subjects: subject: protein immobilization, self-assembly, immunosensor, impedance, capacitive sensors
subject: 540 Chemie

description: Self-assembled monolayers of v-mercaptohexadecanoic acid and vmercaptohexadecylamine on gold electrodes are stable at neutral pH and display pure capacitive behavior at frequencies around 20 Hz. Different methods of covalent immobilization of proteins on these monolayers are compared. Various reagents including succinimides, thionylchloride, p-nitrophenol and carbodiimides were used to activate the carboxy groups of the adsorbed monolayer of v-mercaptohexadecanoic acid. Glutaraldehyde, cyanuric chloride and phenylene diisocyanate were used to activate the amino groups of the monolayer of vmercaptohexadecylamine. The immobilization of albumin on the activated surface was studied by capacitive measurements. The N-hydroxysuccinimide and carbodiimide methods were identified as most suitable for protein immobilization in that they did not compromise the insulating properties of the alkylthiol layer and led to maximal increase of its dielectric thickness. These approaches were used for a layer-by-layer preparation of a capacitive immunosensor. Specifically, antibodies to human serum albumin were immobilized on the alkylthiol monolayer. Binding of the antigen led to a decrease of the electrode capacitance. The detection limit of the immunosensor is as low as 15 nM (1 mg/l).