cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Two stability results for the Kawahara equation with a time-delayed boundary control
Creators: name: Capistrano-Filho, Roberto de A.
name: Chentouf, Boumediène
name: de Sousa, Luan S.
name: Martinez, Victor H. Gonzalez
Publisher: name: arXiv
Year: 2022
Subjects: subject: Analysis of PDEs (math.AP)
subject: Category Theory (math.CT)
subject: FOS: Mathematics

description: In this paper, we consider the Kawahara equation in a bounded interval and with a delay term in one of the boundary conditions. Using two different approaches, we prove that this system is exponentially stable under a condition on the length of the spatial domain. Specifically, the first result is obtained by introducing a suitable energy and using the Lyapunov approach, to ensure that the unique solution of the Kawahara system exponentially decays. The second result is achieved by means of a compactness-uniqueness argument, which reduces our study to prove an observability inequality. Furthermore, the main novelty of this work is to characterize the critical set phenomenon for this equation by showing that the stability results hold whenever the spatial length is related to the Möbius transformations.
description: 20 pages - comments are welcome
Cutset Sampling for Bayesian Networks
Creators: name: Bidyuk, B.
name: Dechter, R.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences

description: The paper presents a new sampling methodology for Bayesian networks that samples only a subset of variables and applies exact inference to the rest. Cutset sampling is a network structure-exploiting application of the Rao-Blackwellisation principle to sampling in Bayesian networks. It improves convergence by exploiting memory-based inference algorithms. It can also be viewed as an anytime approximation of the exact cutset-conditioning algorithm developed by Pearl. Cutset sampling can be implemented efficiently when the sampled variables constitute a loop-cutset of the Bayesian network and, more generally, when the induced width of the networks graph conditioned on the observed sampled variables is bounded by a constant w. We demonstrate empirically the benefit of this scheme on a range of benchmarks.
Production of the antibiotic patulin in a continuous three phase fluidized bed reactor using immobilized cells of Penicillium urticae
Creators: name: Nayar, Arun Kumar, 1960-
Publisher: name: University of Calgary
Year: 1984
Subjects: subject: QD 377 P4 N38 1986
subject: Antibiotics - Synthesis
subject: Immobilized cells
subject: Penicillium urticae
subject: Penicillium patulum

description: Bibliography: p. 127-135.
Sizing up Partially-Depleted Galaxy Cores
Creators: name: Dullo, Bililign T.
name: Graham, Alister W.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We have modelled the inner surface brightness profiles of 39 alleged `core' galaxies with the core-Sersic model, and provide new physical parameters for the largest ever sample of `core' galaxies fit with this model. When present, additional nuclear components were simultaneously modelled and the typical rms scatter of the fits (out to ~10 arcsec) is 0.02 mag/arcsec^2. Model-independent estimates of each core's break radius are shown to agree with those from the core-Sersic model, and a comparison with the Nuker model is provided. We found an absence of cores in what amounts to 18% of the sample which are reclassified here as Sersic galaxies with low values of n (< ~ 4) and thus shallow inner profile slopes. In general, galaxies with n<3 and sigma < 183 km/s do not have depleted cores. We derive updated relations between core-Sersic break radii, their associated surface brightness, bulge luminosity, central velocity dispersion, and predicted black hole mass for galaxies with depleted cores. With the possible exception of NGC 584, we confirm that the inner negative logarithmic profile slopes gamma are < ~ 0.3 for the `core' galaxies, and 0 > gamma > -0.1 for six of these. Finally, the central stellar mass deficits are found to have values typically within a factor of 4 of the expected central black hole mass.
description: 24 pages, 23 figures, accepted for publication in ApJ
title: Maligne Melanome im Kopf-Hals-Bereich – eine unberechenbare Erkrankung mit unverändert schlechter Prognose
Creators: name: Freimann, Konstanze
name: Welkoborsky, Hans-Jürgen
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Das Maligne Melanom (MM) im Kopf-Hals-Bereich ist eine seltene Erkrankung. Nach histologischer Sicherung der Diagnose ist trotz umfassend durchgeführten, der aktuellen Leitlinie entsprechenden Stagings sowie umgehend eingeleiteter Therapie das Outcome (tumor-/rezidivfreies Überleben)[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
Noncritical Einstein-Weyl Gravity and the AdS/CFT Correspondence
Creators: name: Hyun, Seungjoon
name: Jang, Wooje
name: Jeong, Jaehoon
name: Yi, Sang-Heon
Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We explore four-dimensional Einstein-Weyl gravity and supergravity on anti-de Sitter spacetime. For a specific range of the coupling with appropriate boundary conditions, we show the effective equivalence of the theory with Einstein gravity and AdS supergravity at the quadratic Lagrangian level. Furthermore we show that these equivalences can be promoted to the full nonlinear level. We also show that the similar behavior holds for the generalized Gibbons-Hawking terms. From this we find that the correlation functions in the dual conformal field theory of Einstein-Weyl gravity and supergravity can be readily read off from corresponding ones from Einstein gravity and AdS supergravity. We also give comments on some issues in critical gravity and supergravity as well as conformal gravity and supergravity.
description: 20 pages, 1 figure: v2, references and footnote added, typos corrected
Equation of state of the running vacuum
Creators: name: Moreno-Pulido, Cristian
name: Peracaula, Joan Sola
Publisher: name: arXiv
Year: 2022
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: Recent studies of quantum field theory in FLRW spacetime suggest that the cause of the speeding up of the universe is the running vacuum (RV). Appropriate renormalization of the energy-momentum tensor shows that the vacuum energy density is a smooth function of the Hubble rate and its derivatives: $ρ_{\rm vac}=ρ_{\rm vac}(H, \dot{H},\ddot{H},...)$. This is because in QFT the quantum scaling of $ρ_{\rm vac}$ with the renormalization point turns into cosmic evolution with $H$. As a result, any two nearby points of the cosmic expansion during the standard FLRW epoch are smoothly related through $δρ_{\rm vac}\sim {\cal O}(H^2)$. In our approach, what we call the `cosmological constant' $Λ$ is just the nearly sustained value of $8πG(H)ρ_{\rm vac}(H)$ around (any) given epoch, where $G(H)$ is the running gravitational coupling. In the present study, after summarizing the main QFT calculations supporting the RV approach, we focus on the calculation of the equation of state (EoS) of the RV for the entire cosmic history within such a QFT framework. In particular, in the very early universe, where higher (even) powers $ρ_{\rm vac}\sim{\cal O}(H^N)$ ($N=4,6,\dots$) triggered inflation during a short period in which $H=$const, the vacuum EoS is very close to $w_{\rm vac}=-1$. This ceases to be true during the FLRW era, where it adopts the EoS of matter during the relativistic ($w_{\rm vac}=1/3$) and non-relativistic ($w_{\rm vac}=0$) epochs. Interestingly enough, we find that in the late universe the EoS becomes mildly dynamical and mimics quintessence, $w_{\rm vac}\gtrsim-1$. It finally asymptotes to $-1$ in the remote future, but in the transit the RV helps alleviating the $H_0$ and $σ_8$ tensions.
description: Slightly changed title. Extended discussion, references added. Accepted for publication in Eur.Phys.J. C
Graph-based Algorithm Unfolding for Energy-aware Power Allocation in Wireless Networks
Creators: name: Li, Boning
name: Verma, Gunjan
name: Segarra, Santiago
Publisher: name: arXiv
Year: 2022
Subjects: subject: Systems and Control (eess.SY)
subject: Machine Learning (cs.LG)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: We develop a novel graph-based trainable framework to maximize the weighted sum energy efficiency (WSEE) for power allocation in wireless communication networks. To address the non-convex nature of the problem, the proposed method consists of modular structures inspired by a classical iterative suboptimal approach and enhanced with learnable components. More precisely, we propose a deep unfolding of the successive concave approximation (SCA) method. In our unfolded SCA (USCA) framework, the originally preset parameters are now learnable via graph convolutional neural networks (GCNs) that directly exploit multi-user channel state information as the underlying graph adjacency matrix. We show the permutation equivariance of the proposed architecture, which is a desirable property for models applied to wireless network data. The USCA framework is trained through a stochastic gradient descent approach using a progressive training strategy. The unsupervised loss is carefully devised to feature the monotonic property of the objective under maximum power constraints. Comprehensive numerical results demonstrate its generalizability across different network topologies of varying size, density, and channel distribution. Thorough comparisons illustrate the improved performance and robustness of USCA over state-of-the-art benchmarks.
description: Published in IEEE Transactions on Wireless Communications
The magnetic dynamics of NiPS$_3$
Creators: name: Wildes, A. R.
name: Stewart, J. R.
name: Le, M. D.
name: Ewings, R. A.
name: Rule, K. C.
name: Deng, G.
name: Anand, K.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Neutron spectroscopy measurements have been performed on single crystals of the antiferromagnetic van der Waals compound NiPS$_3$. Linear spin wave theory using a Heisenberg Hamiltonian with single-ion anisotropies has been applied to determine the magnetic exchange parameters and the nature of the anisotropy. The analysis reveals that NiPS$_3$ is less two-dimensional than its sister compounds, with a relatively large ferromagnetic exchange of $J^{\prime} = -0.3$ meV between the layered \emph{ab} planes. In-plane magnetic exchange interactions up to the third nearest-neighbour were required to fit the data. The nearest-neighbour exchange was ferromagnetic with $J_1 = -2.6$ meV, the second neighbour was antiferromagnetic and small with $J_2 = 0.2$ meV, and the dominant antiferromagnetic third neighbour exchange was $J_3 = 13.5$ meV. The anisotropy was shown to be largely XY-like with a small uniaxial component, leading to the appearance of two low-energy spin wave modes in the spin wave spectrum at the Brillouin zone centre. The analysis could reproduce the spin wave energies, however there are discrepancies with the calculated neutron intensities hinting at more exotic phenomena.
description: 12 pages, 8 figures, 33 references
Religious language as metaphor
Creators: name: Neilsen, Philip D. (Philip David), 1955-
Publisher: name: University of Calgary
Year: 1985
Subjects: subject: BL 65 L2 N43 1986
subject: Religion and language
subject: Languages - Religious aspects
subject: Metaphor - Religious aspects
subject: Bible - Language style
subject: Religion - Philosophy
subject: Language and languages - Philosophy

description: Bibliography: p. 81-83.
title: Welche Zelleigenschaften von Fibroblasten ändern sich unter Bestrahlung?
Creators: name: Gehrke, Thomas
name: Scherzad, Agmal
name: Hackenberg, Stefan
name: Kleinsasser, Norbert
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Eine Bestrahlung ist bei vielen HNO-Tumorentitäten Bestandteil der Therapieregimes. Diese bewirkt Veränderungen von Zellen und Gewebe, welche jedoch im Detail noch weitgehend unbekannt sind. Ziel dieser Arbeit ist die Untersuchung der Auswirkung einer Bestrahlung auf die Proliferation,[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
On the Detection of Adaptive Adversarial Attacks in Speaker Verification Systems
Creators: name: Chen, Zesheng
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: Machine Learning (cs.LG)
subject: Sound (cs.SD)
subject: Audio and Speech Processing (eess.AS)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Speaker verification systems have been widely used in smart phones and Internet of things devices to identify legitimate users. In recent work, it has been shown that adversarial attacks, such as FAKEBOB, can work effectively against speaker verification systems. The goal of this paper is to design a detector that can distinguish an original audio from an audio contaminated by adversarial attacks. Specifically, our designed detector, called MEH-FEST, calculates the minimum energy in high frequencies from the short-time Fourier transform of an audio and uses it as a detection metric. Through both analysis and experiments, we show that our proposed detector is easy to implement, fast to process an input audio, and effective in determining whether an audio is corrupted by FAKEBOB attacks. The experimental results indicate that the detector is extremely effective: with near zero false positive and false negative rates for detecting FAKEBOB attacks in Gaussian mixture model (GMM) and i-vector speaker verification systems. Moreover, adaptive adversarial attacks against our proposed detector and their countermeasures are discussed and studied, showing the game between attackers and defenders.
The Effect of singing on auditory-visual discrimination in beginning recorder instruction
Creators: name: Ngo, Darlene W., 1955-
Publisher: name: University of Calgary
Year: 1985
Subjects: subject: MT 801 R4 N44 1986
subject: Recorder (Musical instrument) - Instruction and study - Juvenile
subject: Musical ability - Testing
subject: School music - Instruction and study

description: Bibliography: p. 101-104.
Optimization of Image Processing Algorithms for Character Recognition in Cultural Typewritten Documents
Creators: name: Dias, Mariana
name: Lopes, Carla Teixeira
Publisher: name: arXiv
Year: 2023
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: Digital Libraries (cs.DL)
subject: FOS: Computer and information sciences

description: Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions and facilitate the discovery of information. Most archival records have digital representations of physical artifacts in the form of scanned images that are non-machine-readable. Optical Character Recognition (OCR) recognizes text in images and translates it into machine-encoded text. This paper evaluates the impact of image processing methods and parameter tuning in OCR applied to typewritten cultural heritage documents. The approach uses a multi-objective problem formulation to minimize Levenshtein edit distance and maximize the number of words correctly identified with a non-dominated sorting genetic algorithm (NSGA-II) to tune the methods' parameters. Evaluation results show that parameterization by digital representation typology benefits the performance of image pre-processing algorithms in OCR. Furthermore, our findings suggest that employing image pre-processing algorithms in OCR might be more suitable for typologies where the text recognition task without pre-processing does not produce good results. In particular, Adaptive Thresholding, Bilateral Filter, and Opening are the best-performing algorithms for the theatre plays' covers, letters, and overall dataset, respectively, and should be applied before OCR to improve its performance.
description: 25 pages, 4 figures
title: Wechsel zweier Rezeptortyrosinkinasen: KGFR oder EGFR in Sphären und Xenograften von HNSCC-Zelllinien
Creators: name: Geißler, Christin
name: Tahtali, Aykut
name: Leinung, Martin
name: Stöver, Timo
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Plattenepithelkarzinome der Kopf und Halsregion (HNSCC) haben trotz neuerer Therapeutika, wie Cetuximab, noch immer eine ungünstig Prognose. Neben EGFR wird auch KGFR in der Mukosa exprimiert. Beide Rezeptoren vermitteln Proliferation und Überleben durch die gleichen nachgeschalteten[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
Propagation of local excitations through strongly correlated quantum chains
Creators: name: Richert, Jean
name: Khalil, Tarek
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The propagation of an external transverse magnetic signal acting locally on a 1d chain of spins generates a disturbance which runs through the system. This quantum effect can be interpreted as a classical traveling wave which contains a superposition of a large set of frequencies depending on the size of the chain. Its local amplitude fixes the size of the z-component of the spins at any location in the chain. The average and maximum value of the group velocity are determined and compared with the transmission velocity fixed by the Lieb-Robinson upper bound inequality.
description: 18 pages, 6 figures
On BV Supermanifolds and the Super Atiyah Class
Creators: name: Noja, Simone
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mathematical Physics (math-ph)
subject: Algebraic Geometry (math.AG)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We study global and local geometry of forms on odd symplectic BV supermanifolds, constructed from the total space of the bundle of 1-forms on a base supermanifold. We show that globally 1-forms are an extension of vector bundles defined on the base supermanifold. In the holomorphic category, we prove that this extension is split if and only if the super Atiyah class of the base supermanifold vanishes. This is equivalent to the existence of a holomorphic superconnection: we show how this condition is related to the characteristic non-split geometry of complex supermanifolds. From a local point of view, we prove that the deformed de Rham double complex naturally arises as a de-quantization of the de Rham/Spencer double complex of the base supermanifold. Following Ševera, we show that the associated spectral sequence yields semidensities on the BV supermanifold, together with their differential in the form of a super BV Laplacian.
description: 23 pages, major changes and more material added. To appear in European Journal of Mathematics
Optimized polar-azimuthal orientations for polarized light illumination of different Superconducting Nanowire Single-Photon Detector designs
Creators: name: Csete, Maria
name: Sipos, Aron
name: Najafi, Faraz
name: Berggren, Karl K.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The optimal orientations are determined for polarized substrate side illumination of three superconducting nanowire single-photon detector (SNSPD) designs: (1) periodic niobium-nitride (NbN) stripes standing in air with dimensions according to conventional SNSPDs, (2) same NbN patterns below ~quarter-wavelength hydrogensilsesquioxane-filled nano-cavity, (3) analogous NbN patterns in HSQ nano-cavity closed by a thin gold reflector. Numerical computation results have shown that the optical response and near-field distribution vary significantly with polar-angle, fi, and these variations are analogous across all azimuthal-angles, gamma, but are fundamentally different in various device designs. Larger absorptance is available due to p-polarized illumination of NbN patterns in P-structure configuration, while s-polarized illumination results in higher absorptance in S-structure arrangement. As a result of p-polarized illumination a global maximum appears on absorptance of bare NbN pattern at polar angle corresponding to NbN-related ATIR; integration with HSQ nano-cavity results in a global absorptance maximum at polar angle corresponding to TIR at sapphire-air interface; while the highest absorptance is observable at perpendicular incidence on P-structures aligned below gold reflector covered HSQ nano-cavity. S-polarized light illumination results in a global absorptance maximum at TIR on bare NbN patterns; the highest absorptance is available below HSQ nano-cavity at polar angle corresponding to ATIR phenomenon; while the benefit of gold reflector is large and polar angle independent absorptance.
description: 24 pages, 7 figures
Testing theories of accretion and gravity with super-extremal Kerr discs
Creators: name: Mummery, Andrew
name: Balbus, Steven
name: Ingram, Adam
Publisher: name: arXiv
Year: 2023
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Fitting the thermal continuum emission of accreting black holes observed across X-ray bands represents one of the principle means of constraining the properties (mass and spin) of astrophysical black holes. Recent ''continuum fitting'' studies of Galactic X-ray binaries in the soft state have found best fitting dimensionless spin values which run into the prior bounds placed on traditional models ($a_\star = 0.9999$). It is of critical importance that these results are robust, and not a result solely of the presence of these prior bounds and deficiencies in conventional models of accretion. Motivated by these results we derive and present superkerr, an XSPEC model comprising of a thin accretion disc solution valid in the Kerr geometry for arbitrary spin parameter $a_\star$, extending previous models valid only for black holes ($|a_\star| < 1$). This extension into ''superextremal'' spacetimes with $|a_\star| > 1$ includes solutions which describe discs evolving around naked singularities, not black holes. While being valid solutions of Einstein's field equations these naked singularities are not expected to be present in nature. We discuss how the ''measurement'' of a Kerr spin parameter $1 < a_\star < 5/3$ would present compelling evidence for the requirement of a rethink in either standard accretion theory, or our theories of gravity.
description: 16 pages + appendices, 16 figures. Accepted MNRAS version. superkerr XSPEC model available at: https://github.com/andymummeryastro/superkerr
title: Einfluss des Therapiekonzeptes (chirurgisch vs. nicht chirurgisch) auf das Überleben von Patienten mit lokoregionär fortgeschrittenen Larynx- und Hypopharynxkarzinomen
Creators: name: Gliese, Alexandra
name: Möckelmann, Nikolaus
name: Knecht, Rainald
name: Münscher, Adrian
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: In den letzten Jahren hat sich die Behandlungsstrategie von Patienten mit lokal fortgeschrittenen Larynx- (LA-LSCC) und Hypopharynxkarzinomen (LA-HPSCC) von einer primär chirurgischen zu einer nicht chirurgischen, organerhaltenden Therapie verändert. Trotz erhöhter Organ- [zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
Minimal one-dimensional model of bad metal behavior from fast particle-hole scattering
Creators: name: Wang, Yan-Qi
name: Rausch, Roman
name: Karrasch, Christoph
name: Moore, Joel E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: A strongly interacting plasma of linearly dispersing electron and hole excitations in two spatial dimensions (2D), also known as a Dirac fluid, can be captured by relativistic hydrodynamics and shares many universal features with other quantum critical systems. We propose a one-dimensional (1D) model to capture key aspects of the 2D Dirac fluid while including lattice effects and being amenable to non-perturbative computation. When interactions are added to the Dirac-like 1D dispersion without opening a gap, we show that this kind of irrelevant interaction is able to preserve Fermi-liquid-like quasi-particle features while relaxing a zero-momentum charge current via collisions between particle-hole excitations, leading to resistivity that is linear in temperature via a mechanism previously discussed for large-diameter metallic carbon nanotubes. We further provide a microscopic lattice model and obtain numerical results via density-matrix renormalization group (DMRG) simulations, which support the above physical picture. The limits on such fast relaxation at strong coupling are of considerable interest because of the ubiquity of bad metals in experiments.
description: 7 pages, 3 figures plus supplemental materials
Characteristics of remnant radio galaxies detected in the deep radio continuum observations from the SKA pathfinders
Creators: name: Dutta, Sushant
name: Singh, Veeresh
name: Chandra, C. H. Ishwara
name: Wadadekar, Yogesh
name: Kayal, Abhijit
Publisher: name: arXiv
Year: 2022
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The cessation of AGN activity in radio galaxies leads to a remnant phase during which jets are no longer sustained, but lobes can be detected for a period of time before they fade away due to radiative and dynamical energy losses. The time-scale of the remnant phase and AGN duty cycle are vital to understanding the evolution of radio galaxies. In this paper, we report new band-3 observations with the upgraded Giant Meterwave Radio Telescope (uGMRT) for five remnant radio galaxies. Our uGMRT observations reveal emission of low-surface-brightness in all five remnants with 400 MHz surface brightness in the range of 36$-$201 mJy arcmin$^{-2}$. With band-3 uGMRT observations, we discover wing-shaped radio morphology in one of our sample sources. Using radio observations at 150 MHz, 325 MHz, 400 MHz, and 1.5 GHz, we model the radio spectral energy distributions (SEDs) of our sample sources with the continuous injection-off model (CI$_{\rm OFF}$), that assumes an active phase with continuous injection followed by a remnant phase. We obtain total source ages ($t_{\rm s}$) in the range of 20.3 Myr to 41.4 Myr with $t_{\rm OFF}$/$t_{\rm s}$ distributed in the range of 0.16 to 0.63, which in turn suggests them to belong to different evolutionary phases. We note that, in comparison to the remnants reported in the literature, our sample sources tend to show lower spectral ages that can be explained by the combined effects of more dominant inverse Compton losses for our sources present at the relatively higher redshifts and possible rapid expansion of lobes in their less dense environments.
description: 14 pages, 3 figures, 3 tables, accepted for publication in the Journal of Astrophysics and Astronomy (to appear in the special issue of Indian participation in the SKA)
Conditions for Gravitational Instability in Protoplanetary Disks
Creators: name: Kimura, Shigeo S.
name: Tsuribe, Toru
Publisher: name: arXiv
Year: 2012
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Gravitational instability is one of considerable mechanisms to explain the formation of giant planets. We study the gravitational stability for the protoplanetary disks around a protostar. The temperature and Toomre's Q-value are calculated by assuming local equilibrium between viscous heating and radiative cooling (local thermal equilibrium). We assume constant $α$ viscosity and use a cooling function with realistic opacity. Then, we derive the critical surface density $Σ_{\rm{c}}$ that is necessary for a disk to become gravitationally unstable as a function of $r$. This critical surface density $Σ_{\rm c}$ is strongly affected by the temperature dependence of the opacity. At the radius $r_{\rm c}\sim 20$AU, where ices form, the value of $Σ_{\rm c}$ changes discontinuously by one order of magnitude. This $Σ_{\rm c}$ is determined only by local thermal process and criterion of gravitational instability. By comparing a given surface density profile to $Σ_{\rm c}$, one can discuss the gravitational instability of protoplanetary disks. As an example, we discuss the gravitational instability of two semi-analytic models for protoplanetary disks. One is the steady state accretion disk, which is realized after the viscous evolution. The other is the disk that has the same angular momentum distribution with its parent cloud core, which corresponds to the disk that has just formed. As a result, it is found that the disks tend to become gravitationally unstable for $r\ge r_{\rm c}$ because ices enable the disks to become low temperature. In the region closer to the protostar than $r_{\rm c}$, it is difficult for a typical protoplanetary disk to fragment because of the high temperature and the large Coriolis force. From this result, we conclude that the fragmentation near the central star is possible but difficult.
description: accepted for publication in PASJ. Draft version with 26 pages, 8 figures, 1 table
Bayesian Quickest Change Detection of an Intruder in Acknowledgments for Private Remote State Estimation
Creators: name: Kennedy, Justin M.
name: Ford, Jason J.
name: Quevedo, Daniel E.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Systems and Control (eess.SY)
subject: Information Theory (cs.IT)
subject: Signal Processing (eess.SP)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: For geographically separated cyber-physical systems, state estimation at a remote monitoring or control site is important to ensure stability and reliability of the system. Often for safety or commercial reasons it is necessary to ensure confidentiality of the process state and control information. A current topic of interest is the private transmission of confidential state information. Many transmission encoding schemes rely on acknowledgments, which may be susceptible to interference from an adversary. We consider a stealthy intruder that selectively blocks acknowledgments allowing an eavesdropper to obtain a reliable state estimate defeating an encoding scheme. We utilize Bayesian Quickest Change Detection techniques to quickly detect online the presence of an intruder at both the remote transmitter and receiver.
description: 6 pages, 5 figures
Optical precursors in waveguide quantum electrodynamics
Creators: name: Cardenas-Lopez, Silvia
name: Solano, Pablo
name: Orozco, Luis A.
name: Asenjo-Garcia, Ana
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Atomic Physics (physics.atom-ph)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: When a broadband signal propagates through a dispersive medium, some frequency components move faster than the center of the pulse. This leads to the appearance of precursors, transient signals that emerge from the medium earlier than the main part of the pulse and seem to propagate superluminally. Here, we investigate the microscopic origin of precursors in a minimal setup: an array of qubits coupled to a waveguide. The linear transmission function only converges to that of a continuous medium for large qubit numbers. Nevertheless, the dispersion produced by only two qubits is enough to produce oscillatory transients. Precursors are best observed under conditions of electromagnetically-induced transparency, as the center of the pulse is significantly delayed. Under these conditions, just a single qutrit is enough to generate a precursor. Our results pave the way towards dispersion engineering of light with just a few qubits, and can be realized with superconducting qubits coupled to transmission lines or atoms coupled to optical waveguides.
description: 10 pages, 6 figures
title: Applied nanomedicine - Nanomagnetic detection and characterization of circulating tumor cells in HNSCC
Creators: name: Goesswein, Dorothee
name: Westmeier, Dana
name: Künzel, Julian
name: Docter, Dominic
name: Stauber, Roland
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Introduction: Recent advancements in nanotechnology now also set the stage for improvements in the clinics [ref:1]. CTCs are considered to be of high clinical relevance to diagnose disease and monitor treatment. The molecular profiling of CTCs may allow to uncover novel cancer pathways [ref:2].[for full text, please go to the a.m. URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
title: Grenze der Operabilität bei Hauttumoren: ein Fallbeispiel
Creators: name: Gunser, Sandra
name: Wohlfeil, Miriam
name: Ebeling, Olaf
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Das PEC der Haut ist der zweit-häufigste maligne Hauttumor. In 5% der Fälle kommt es zu einer Metastasierung, dann liegt die mediane Überlebenszeit bei 2 Jahren.     Anamnese und Klinik: Ein  82-jähriger Patient stellt sich erstmals 11/2012 mit einem R1-resezierten[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
Tomas Garrido Canabal: the era of anticlericalism in Tabasco
Creators: name: Nuttall, Leslie, 1935-
Publisher: name: University of Calgary
Year: 1985
Subjects: subject: F 1351 N87 1986
subject: Garrido Canabal, Tomas
subject: Dictators - Mexico - Tobasco
subject: Tabasco (Mexico) - Politics and government
subject: Tabasco, Mexico - Church history

description: Bibliography: p. 200-212.
EOS -- A Software for Flavor Physics Phenomenology
Creators: name: Reboud, Méril
Publisher: name: arXiv
Year: 2022
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: I present EOS, an open-source software dedicated to a variety of tasks in the processing of flavor physics observables. EOS is written in C++ and offers both a C++ and a Python interface. It is developed for three main tasks, the production of theoretical predictions for flavor physics observables; the inference of theoretical parameters from an extensible database of likelihoods; and the production of Monte Carlo samples of flavor processes for sensitivity studies.
description: 9 pages, 4 figures
Tidal Wave Breaking in the Eccentric Lead-In to Mass Transfer and Common Envelope Phases
Creators: name: MacLeod, Morgan
name: Vick, Michelle
name: Loeb, Abraham
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The evolution of many close binary and multiple star systems is defined by phases of mass exchange and interaction. As these systems evolve into contact, tidal dissipation is not always sufficient to bring them into circular, synchronous orbits. In these cases, encounters of increasing strength occur while the orbit remains eccentric. This paper focuses on the outcomes of close tidal passages in eccentric orbits. Close eccentric passages excite dynamical oscillations about the stars' equilibrium configurations. These tidal oscillations arise from the transfer of orbital energy into oscillation mode energy. When these oscillations reach sufficient amplitude, they break near the stellar surface. The surface wave-breaking layer forms a shock-heated atmosphere that surrounds the object. The continuing oscillations in the star's interior launch shocks that dissipate into the this atmosphere, damping the tidal oscillations. We show that the rapid, nonlinear dissipation associated with the wave breaking of fundamental oscillation modes therefore comes with coupled mass loss to the wave breaking atmosphere. The mass ratio is an important characteristic that defines the relative importance of mass loss and energy dissipation and therefore determines the fate of systems evolving under the influence of nonlinear dissipation. The outcome can be rapid tidal circularization ($q\ll1$) or runaway mass exchange ($q\gg1$).
description: Published in AAS journals. Animated figure available in the online journal or in the arxiv files
Breathing mode in open-orbit magnetotransport: a magnetic lens with a quantum mechanical focal length
Creators: name: Oriekhov, D. O.
name: Osterholt, T. T.
name: Vakhtel, T.
name: Akhmerov, A. R.
name: Beenakker, C. W. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We consider the propagation of electrons in a lattice with an anisotropic dispersion in the $x$--$y$ plane (lattice constant $a$), such that it supports open orbits along the $x$-axis in an out-of-plane magnetic field $B$. We show that a point source excites a "breathing mode", a state that periodically spreads out and refocuses after having propagated over a distance $\ell =(eaB/h)^{-1}$ in the $x$-direction. Unlike known magnetic focusing effects, governed by the classical cyclotron radius, this is an intrinsically quantum mechanical effect with a focal length $\propto\hbar$.
description: 7 pages, 10 figures
Transient Super-strong Coronal Lines and Broad Bumps in the Galaxy SDSS J074820.67+471214.3
Creators: name: Wang, Ting-Gui
name: Zhou, Hongyan
name: Wang, Lifan
name: Lu, Honglin
name: Xu, Dawei
Publisher: name: arXiv
Year: 2011
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Variable super-strong coronal emission lines were observed in one galaxy, SDSS J095209.56+214313.3, and their origin remains controversy. In this paper, we report the detection of variable broad spectral bumps, reminiscent of supernova (SN) II-Plateau (II-P) spectra taken a few days after the shock breakout, in the second galaxy with variable super-strong coronal lines, SDSS J074820.67+471214.3. The coronal line spectrum shows unprecedented high ionization with strong [Fe X], [Fe XI], [Fe XIV], [S XII] and [Ar XIV], but without detectable optical [Fe VII] lines. The coronal line luminosities are similar to that observed in bright Seyfert galaxies, and 20 times more luminous than that reported in the hottest Type IIn SN 2005ip. The coronal lines ($σ~120-240$ km s-1) are much broader than the narrow lines ($σ\sim 40$ km/s) from the star forming regions in the galaxy, but at nearly the same systematic redshift. We also detected a variable non-stellar continuum in optical and UV. In the follow-up spectra taken 4-5 years later, the coronal lines, SN-like feature, and non-stellar continuum disappeared, while the [O III] intensity increased by about a factor of ten. Our analysis suggests that the coronal line region should be at least ten light days in size, and be powered either by a quasi-steady ionizing source with a soft X-ray luminosity at least a few 10^{42} erg s-1 or by a very luminous soft X-ray outburst. These findings can be more naturally explained by a star tidally disrupted by the central black hole than by an SN explosion.
description: 21 pages, 6 figures, accepted to ApJ
Frustrated ferromagnetic transition in AB-stacked honeycomb bilayer
Creators: name: Wang, S. Y.
name: Wang, Y.
name: Yan, S. H.
name: Wang, C.
name: Xiang, B. K.
name: Liang, K. Y.
name: He, Q. S.
name: Watanabe, K.
name: Taniguchi, T.
name: Tian, S. J.
name: Lei, H. C.
name: Ji, W.
name: Qi, Y.
name: Wang, Y. H.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: In two-dimensional (2D) ferromagnets, anisotropy is essential for the magnetic ordering as dictated by the Mermin-Wagner theorem. But when competing anisotropies are present, the phase transition becomes nontrivial. Here, utilizing highly sensitive susceptometry of scanning superconducting quantum interference device microscopy, we probe the spin correlations of ABC-stacked CrBr3 under zero magnetic field. We identify a plateau feature in susceptibility above the critical temperature (Tc) in thick samples. It signifies a crossover regime induced by the competition between easy-plane intralayer exchange anisotropy versus uniaxial interlayer anisotropy. The evolution of the critical behavior from the bulk to 2D shows that the competition between the anisotropies is magnified in the reduced dimension. It leads to a strongly frustrated ferromagnetic transition in the bilayer with fluctuation on the order of Tc, which is distinct from both the monolayer and the bulk. Our observation potentially offers a 2D localized spin system on honeycomb lattice to explore magnetic frustration.
Generation and structuring of multipartite entanglement in Josephson parametric system
Creators: name: Petrovnin, K. V.
name: Perelshtein, M. R.
name: Korkalainen, T.
name: Vesterinen, V.
name: Lilja, I.
name: Paraoanu, G. S.
name: Hakonen, P. J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum correlations are a vital resource in advanced information processing based on quantum phenomena. Remarkably, the vacuum state of a quantum field may act as a key element for the generation of multipartite quantum entanglement. In this work, we achieve generation of genuine tripartite entangled state and its control by the use of the phase difference between two continuous pump tones. We demonstrate control of the subspaces of the covariance matrix for tripartite bisqueezed state. Furthermore, by optimizing the phase relationships in a three-tone pumping scheme we explore genuine quadripartite entanglement of a \textit{generalized} H-graph state ($\mathscr{\tilde{H}}$-graph). Our scheme provides a comprehensive control toolbox for the entanglement structure and allows us to demonstrate, for first time to our knowledge, genuine quadripartite entanglement of microwave modes. All experimental results are verified with numerical simulations of the nonlinear quantum Langevin equation. We envision that quantum resources facilitated by multi-pump configurations offer enhanced prospects for quantum data processing using parametric microwave cavities.
Panoptic SwiftNet: Pyramidal Fusion for Real-time Panoptic Segmentation
Creators: name: Šarić, Josip
name: Oršić, Marin
name: Šegvić, Siniša
Publisher: name: arXiv
Year: 2022
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Dense panoptic prediction is a key ingredient in many existing applications such as autonomous driving, automated warehouses or remote sensing. Many of these applications require fast inference over large input resolutions on affordable or even embedded hardware. We propose to achieve this goal by trading off backbone capacity for multi-scale feature extraction. In comparison with contemporaneous approaches to panoptic segmentation, the main novelties of our method are efficient scale-equivariant feature extraction, cross-scale upsampling through pyramidal fusion and boundary-aware learning of pixel-to-instance assignment. The proposed method is very well suited for remote sensing imagery due to the huge number of pixels in typical city-wide and region-wide datasets. We present panoptic experiments on Cityscapes, Vistas, COCO and the BSB-Aerial dataset. Our models outperform the state of the art on the BSB-Aerial dataset while being able to process more than a hundred 1MPx images per second on a RTX3090 GPU with FP16 precision and TensorRT optimization.
description: Code available at: https://github.com/jsaric/panoptic-swiftnet
title: Photoaktivierbare Nanopartikel in der Kopf-Hals-Onkologie: Effektivitätssteigerung durch Dispersionsoptimierung
Creators: name: Hackenberg, Stephan
name: Scherzad, Agmal
name: Koch, Susanne
name: Kleinsasser, Norbert
name: Heuzé, Karine
name: Dembski, Sofia
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Die Nanopartikel (NP) induzierte photokatalytische Elimination von Kopf-Hals-Plattenepithelkarzinomzellen (HNSCC) in vitro konnte in eigenen Vorarbeiten demonstriert werden. Die Wirksamkeit dieses Therapiekonzeptes hängt maßgeblich von physikalischen Eigenschaften der applizierten[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie
Patterns of political orientations and behaviors of Social Studies 30 students in southern Alberta
Creators: name: O'Dwyer, Karen (Karen Bruna), 1956-
Publisher: name: University of Calgary
Year: 1984
Subjects: subject: H 62.5 C3 O38 1986
subject: Social sciences - Study and teaching (Secondary) - Alberta - Southern
subject: Alberta, Southern - Education

description: Bibliography: p. 182-189.
title: Steigerung der Tumorlyse durch Einsatz von Komplement-Faktor-H-Inhibitoren in der antikörperbasierten Therapie von Plattenepithelkarzinomen im Kopf-Hals-Bereich
Creators: name: Hagemann, Jan
name: Stoiber, Heribert
name: Baumeister, Philipp
Publisher: name: German Medical Science GMS Publishing House
Year: 2016
Subjects: subject: 610 Medical sciences; Medicine

description: Einleitung: Die Antikörper-basierte Therapie von Plattenepithelkarzinomen im Kopf-Hals-Bereich (HNSCC) nimmt bisher eine untergeordnete Rolle ein. Es wird angenommen, dass HNSCC über eine Reihe von Mechanismen zur Verhinderung einer Immunantwort gegen den Tumor verfügen. Wir vermuten,[zum vollständigen Text gelangen Sie über die oben angegebene URL]
description: 87. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie