cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
A Confining Model for Charmonium and New Gauge Invariant Field Equations
Creators: name: Hsu, Jong-Ping
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We discuss a confining model for charmonium in which the attractive force are derived from a new type of gauge field equation with a generalized $SU_3$ gauge symmetry. The new gauge transformations involve non-integrable phase factors with vector gauge functions $\om^a_μ(x)$. These transformations reduce to the usual $SU_3$ gauge transformations in the special case $\om^a_μ(x) = \p_μξ^a(x)$. Such a generalized gauge symmetry leads to the fourth-order equations for new gauge fields and to the linear confining potentials. The fourth-order field equation implies that the corresponding massless gauge boson has non-definite energy. However, the new gauge boson is permanently confined in a quark system by the linear potential. We use the empirical potentials of the Cornell group for charmonium to obtain the coupling strength $f^2/(4π) \approx 0.19$ for the strong interaction. Such a confining model of quark dynamics could be compatible with perturbation. The model can be applied to other quark-antiquark systems.
description: 6 pages
title: A quiz about skull base anatomy and pathologies: Make learning fun!
Creators: name: Sahin, Hilal
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Neoplasia
subject: Metastases
subject: Infection
subject: eLearning
subject: Education
subject: MR
subject: CT
subject: Head and neck

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: To describe basic anatomy of the skull base To review common pathologies of the skull base To learn best imaging modalities to display skull base...
The Polarization Dependence of Gamma-Gamma Absorption - Implications for Gamma-Ray Bursts and Blazars
Creators: name: Boettcher, Markus
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: This paper presents an analysis of the dependence of the opacity for high-energy gamma-rays to gamma-gamma absorption by low-energy photons, on the polarization of the gamma-ray and target photons. This process has so far only been considered using the polarization-averaged gamma-gamma absorption cross section. It is demonstrated that in the case of polarized gamma-ray emission, subject to source-intrinsic gamma-gamma absorption by polarized target photons, this may lead to a slight over-estimation of the gamma-gamma opacity by up to ~ 10 % in the case of a perfectly ordered magnetic field. Thus, for realistic astrophysical scenarios with partially ordered magnetic fields, the use of the polarization-averaged gamma-gamma cross section is justified for practical purposes, such as estimates of minimum Doppler factors inferred for gamma-ray bursts and blazars, based on gamma-gamma transparency arguments, and this paper quantifies the small error incurred by the unpolarized-radiation approximation. Furthermore, it is shown that polarization-dependent gamma-gamma absorption of initially polarized gamma-rays can lead to a slight increase in the polarization beyond the spectral break caused by gamma-gamma absorption, to an amount distinctly different from the change in polarization expected if the same spectral break was produced by a break in the underlying electron distribution. This may serve as a diagnostic of whether gamma-gamma absorption is relevant in sources such as gamma-ray bursts and blazars where the gamma-ray emission may be intrinsically highly polarized.
description: Accepted for publication in The Astrophysical Journal
On the parabolic Cauchy problem for quantum graphs with vertex noise
Creators: name: Kovács, Mihály
name: Sikolya, Eszter
Publisher: name: arXiv
Year: 2022
Subjects: subject: Mathematical Physics (math-ph)
subject: Dynamical Systems (math.DS)
subject: FOS: Physical sciences
subject: FOS: Mathematics
subject: Primary: 81Q35, 60H15, 35R60, Secondary: 35R02, 47D06

description: We investigate the parabolic Cauchy problem associated with quantum graphs including Lipschitz or polynomial type nonlinearities and additive Gaussian noise perturbed vertex conditions. The vertex conditions are the standard continuity and Kirchhoff assumptions in each vertex. In the case when only Kirchhoff conditions are perturbed, we can prove existence and uniqueness of a mild solution with continuous paths in the standard state space $\mathcal{H}$ of square integrable functions on the edges. We also show that the solution is Markov and Feller. Furthermore, assuming that the vertex values of the normalized eigenfunctions of the self-adjoint operator governing the problem are uniformly bounded, we show that the mild solution has continuous paths in the fractional domain space associated with the Hamiltonian operator, $\mathcal{H}_α$ for $α<\frac{1}{4}$. This is the case when the Hamiltonian operator is the standard Laplacian perturbed by a potential. We also show that if noise is present in both type of vertex conditions, then the problem admits a mild solution with continuous paths in the fractional domain space $\mathcal{H}_α$ with $α<-\frac{1}{4}$ only. These regularity results are the quantum graph analogues obtained by da Prato and Zabczyk [9] in case of a single interval and classical boundary Dirichlet or Neumann noise.
description: nonlinear term added to the equations, new results in Section 3, corrected typos
title: Meaning of imaging findings for recognition of 22q11.2 deletion syndrome in oligosymptomatic adult patients.
Creators: name: Dąbek, Karolina
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Computer Applications-Detection, diagnosis
subject: MR
subject: CT
subject: Neuroradiology brain
subject: Anatomy
subject: Genetic defects

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: To describe the meaning of imaging findings for the recognition of 22q11.2 deletion syndrome (22q11.2DS) in oligosymptomatic...
Design of a rapid heating/cooling system: control the properties of micro-injection molded parts
Creators: name: De Meo, Annarita
Publisher: name: Universita degli studi di Salerno
Year: 2020
Subjects: subject: ING-IND/24 PRINCIPI DI INGEGNERIA CHIMICA
subject: Temperature control micromolding

description: 2018 - 2019
description: Microinjection molding (μIM) is one of the most efficient processes for wide scale production of thermoplastic polymer microparts. In order to produce high-quality microinjection-molded components, a crucial aspect to be fully understood and optimized is the filling of the cavity by the polymer. The standard injection molding process with constant mold temperature control suffers from problems caused by the large temperature difference between the mold and the incoming polymer. The mold temperature appears to be a key parameter for the fabrication of microparts of a more large range of materials. Even though variotherm technology has existed for decades and includes many kinds of heating methods, it is still not a proven one for use with μIM. Therefore, in the literature, the polymer melt flow phenomenon in a cavity for μIM with rapid variations of temperature is still not well discussed. In this thesis, a special surface-conditioning concept that fulfils rapid temperature evolutions during the μIM is designed and adopted to extend the freezing time and affect the morphology of semicrystalline polymers. The dynamic temperature concept is based on a multilayer cavity with thin heating elements, thermocouples and insulation layers: it permits to increase the temperature of an amount of 100°C in a few seconds and obtain a cooling time of about 10 s. The system is used for the μIM of a poly-lactid acid (PLA) and an isotactic polypropylene (iPP). The PLA is a biodegradable polymer with a low crystallization rate. Calorimetric analysis on pellets of PLA permitted to study the crystallization behavior in quiescent conditions and set a temperature for the annealing steps during the process. In this manner, the system for the temperature control was adopted to influence the final crystallinity of the PLA, by applying isothermal steps. Furthermore, the system was used to apply different thermal histories in different zones of the sample after the solidification in the microcavity and generate a crystalline phase and an amorphous one in the same part. Morphology modifications were analyzed by means of optical observations, calorimetric analysis, X-ray and IR spectra. To study the effect of the morphology on the biodegradation rate, experiments of hydrolysis were also carried out revealing that the parts exhibit different degradation kinetics and different mechanical behavior. .. [edited by Author]
EIP on AHA ontology for adherence: knowledge representation advanced tools
Creators: name: Román-Villarán, Esther
name: Pérez-Leon, Francisco De Paula
name: Escobar-Rodriguez, German Antonio
name: Parra-Calderón, Carlos Luis
Publisher: name: Universita' degli Studi di Salerno
Year: 2019
Subjects: Adherence
Knowledge
Polypharmacy
Chronic diseases
Older patients

description: Nowadays diseases tend to chronicle, mainly due to the increase in life expectancy and this leads to a state of polypharmacy. More than 1.5% of Spain's GDP is spent on pharmaceuticals and healthcare products. Complex chronic patients (pluripathological and polymedicated) account for most of the expenditure. The "Action Group A1" of the European Innovation Partnership develops in the "Active and Healthy Ageing" programme actions to improve the quality of life and health outcomes of these patients. On the other hand, the PITeS TIiSS project develops decision support tools to improve this scenario. An ontology has been developed as a tool on adherence. The domain of this ontology is mainly focused on medication adherence and measurement methods. This ontology gathers the necessary knowledge about the domain allowing the use of the ontology as part for is possible.
title: Simulation of pace maker implantation for medical imaging professionals training
Creators: name: Pereira, Rui
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Radiographers
subject: Fluoroscopy
subject: Surgery
subject: Education

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: The learning process in a simulation context envisages the students to integrate a realistic situation probable in their professional future, in which they feel the difficulties, try to overcome them and acquires a real perception of the working...
Magneto-transport properties of oriented Mn2CoAl films sputtered on thermally oxidized Si substrates
Creators: name: Xu, G. Z.
name: Du, Y.
name: Zhang, X. M.
name: Zhang, H. G.
name: Liu, E. K.
name: Wang, W. H.
name: Wu, G. H.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Spin gapless semiconductors are interesting novel class of materials by embracing both magnetism and semiconducting. Its potential application in future spintronics requires realization in thin film form. In this letter, we report a successful growth of spin gapless Mn2CoAl films on thermally oxidized Si substrates by magnetron sputtering deposition. The films deposited at 673K are well oriented to (001) direction and display a uniform-crystalline surface. Magnetotransport measurements on the oriented films reveal a semiconducting-like resistivity, small anomalous Hall conductivity and linear magnetoresistance (MR) representative of the transport signatures of spin gapless semiconductors. The magnetic properties of the films have also been investigated and compared to that of bulk Mn2CoAl, with small discrepancy induced by the composition deviation.
description: 13 pages, 5 figs. Accepted by APL
Data-Driven Prediction with Stochastic Data: Confidence Regions and Minimum Mean-Squared Error Estimates
Creators: name: Yin, Mingzhou
name: Iannelli, Andrea
name: Smith, Roy S.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Systems and Control (eess.SY)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Recently, direct data-driven prediction has found important applications for controlling unknown systems, particularly in predictive control. Such an approach provides exact prediction using behavioral system theory when noise-free data are available. For stochastic data, although approximate predictors exist based on different statistical criteria, they fail to provide statistical guarantees of prediction accuracy. In this paper, confidence regions are provided for these stochastic predictors based on the prediction error distribution. Leveraging this, an optimal predictor which achieves minimum mean-squared prediction error is also proposed to enhance prediction accuracy. These results depend on some true model parameters, but they can also be replaced with an approximate data-driven formulation in practice. Numerical results show that the derived confidence region is valid and smaller prediction errors are observed for the proposed minimum mean-squared error estimate, even with the approximate data-driven formulation.
Ultrasound and high hydrostatic pressure extractions on antioxidant capacity, antiproliferative and apoptosis effects in gastric cancer cells by lemon extract treatment
Creators: name: Giovagnoli-Vicuña, Claudia
name: Briones-Labarca, Vilbett
name: Bernal, Giuliano
name: de la Fuente-Ortega, Erwin
name: Macuer, Johan
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Space Science
subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Molecular Biology
subject: Pharmacology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Plant Biology

description: The objective of the present study was to investigate the antioxidant and antiproliferative effects of lemon extracts (LE) against human gastric cancer cells (SNU-1) and normal human gastric epithelial cells (GES-1), and their mechanism of inducing cellular death. LE was obtained by three extraction methods: conventional (CE), ultrasound (UAE) and high hydrostatic pressure (HHPE). Experimental results show that the extraction method used to obtain the LE had a significant influence on antioxidant capacity, cellular proliferation, and induction of apoptosis in SNU-1 cells. LE was showed to be cytotoxic with an IC50 of 1747.0 µg mL−1 and 1704.3 µg mL−1, as obtained by UAE and HHPE, respectively. In addition, this extract induces apoptosis as evidenced by confocal microscopy. Our findings indicate that LE would be an attractive source of bioactive compounds with antioxidant and antiproliferative capacity and can improve the functional value of food.
Results from PHENIX at RHIC with Implications for LHC
Creators: name: Tannenbaum, M. J.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: This article is based on my Proceedings for the 47th Course of the International School of Subnuclear Physics on the Most Unexpected at LHC and the Status of High Energy Frontier, Erice, Sicily, Italy, 2009. Results from the PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) in nucleus-nucleus and proton-proton collisions at c.m. energy $\sqrt{s_{NN}}=200$ GeV are presented in the context of the methods of single and two-particle inclusive reactions which were used in the discovery of hard-scattering in p-p collisions at the CERN ISR in the 1970's. These techniques are used at RHIC in A+A collisions because of the huge combinatoric background from the large particle multiplicity. Topics include $J/Ψ$ suppression, jet quenching in the dense medium (sQGP) as observed with $π^0$ at large transverse momentum, thermal photons, collective flow, two-particle correlations, suppression of heavy quarks at large $p_T$ and its possible relation to Higgs searches at the LHC. The differences and similarities of the measurements in p-p and A+A collisions are presented. The two discussion sessions which followed the lectures on which this article is based are included at the end.
description: 38 pages, 28 figures, an expanded version of my Proceedings for the International School of Subnuclear Physics, 47th Course, 2009
title: Increasing International Military Interdependence: Defense Cooperation in the New World Order
Creators: name: Callaham-Gay, Sheila
Publisher: name: Old Dominion University Libraries
Year: 1992

description: This thesis examines whether military interdependence among states is increasing or decreasing. Although it is impossible to predict the future, it can be deduced that military interaction is increasing as a result of current world events and stated Presidential policy objectives. In order for interdependency to reach fruition governments must create policy which allows mutual goals to be realized. If military-to-military programs contribute to U.S. political objectives then government policy toward military interdependence should allow the U.S. military to act as a catalyst for international cooperation as well as the guardian of U.S. security interests. Whether global peace and security becomes a collective effort is the responsibility of world political leaders and international organizations who must emphasize the need, as well as the benefit, of increased defense cooperation. The basic documentation of increasing military interdependence is evidenced in current Department of Defense, State Department, and Department of the Army (DA) records and reports, high-level policy statements, interviews with military officials, and scholarly opinion. Further documentation is drawn from activities associated with one of DA's international agencies, the International Army Programs Directorate.
A new lower bound on the pebbling number of the grid
Creators: name: Petr, Jan
name: Portier, Julien
name: Stolarczyk, Szymon
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics

description: A pebbling move on a graph consists of removing $2$ pebbles from a vertex and adding $1$ pebble to one of the neighbouring vertices. A vertex is called reachable if we can put $1$ pebble on it after a sequence of moves. The optimal pebbling number of a graph is the minimum number $m$ such that there exists a distribution of $m$ pebbles so that each vertex is reachable. For the case of a square grid $n \times m$, Győri, Katona and Papp recently showed that its optimal pebbling number is at least $\frac{2}{13}nm \approx 0.1538nm$ and at most $\frac{2}{7}nm +O(n+m) \approx 0.2857nm$. We improve the lower bound to $\frac{5092}{28593}nm +O(m+n) \approx 0.1781nm$.
title: Distribution of muscle size and strength during life
Creators: name: Vucetic, Jelena
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Geriatrics
subject: Physiological studies
subject: Normal variants
subject: Ultrasound
subject: Musculoskeletal system

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Western society is getting older. With age, there is a decrease in functionality and performance, as various systems go through involutive changes. Sarcopenia refers to loss of both muscle mass and muscle strength and is an important feature of...
In vitro activity of essential oils against microbial isolates from otitis externa cases in dogs
Creators: name: Gómez-García, Manuel
name: Madrigal, Irene
name: Puente, Héctor
name: Mencía-Ares, Óscar
name: Argüello, Héctor
name: Carvajal, Ana
name: Fregeneda-Grandes, Juan Miguel
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Microbiology
subject: FOS: Biological sciences
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: 110309 Infectious Diseases
subject: FOS: Health sciences

description: Despite the number of studies focused on the potential use of essential oils (EOs) as an alternative to conventional treatments of canine external otitis, there is controversy about their antimicrobial activity which could be explained by differences in technical or biological aspects. This study focuses on the antimicrobial activity of three single EO compounds (thymol, cinnamaldehyde and carvacrol) and two EOs (clove and oregano) against clinical isolates recovered from canine otitis externa cases (14 bacterial isolates belonging to five different genera and six Malassezia pachydermatis isolates). All compounds showed activity and cinnamaldehyde exhibited the highest bactericidal and fungicidal activity. The susceptibility was lower among bacterial isolates than fungal isolates, being this difference more evident for Gram-positive bacteria. No relationship between antibiotic multi-resistant profile and susceptibility to compounds was observed. To sum up, our results provide appropriate information about appropriate concentrations of promising candidates for the topic treatment of canine otitis.
title: Mechanical thrombectomy with ANGIOJET system in patients with lower limb Bypass occlusion.
Creators: name: Domínguez Paillacho, Ignacio
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Vascular
subject: Fluoroscopy
subject: Angioplasty
subject: Thrombolysis
subject: Experimental investigations
subject: Arteriosclerosis
subject: Embolism / Thrombosis
subject: Ischaemia / Infarction

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: In this retrospective study we evaluated the efficacy of mechanical thrombectomy (AngioJet system) as a therapeutic alternative to surgery in patients with any type of bypass in the lower extremities that present a clinical of acute...
Recensioni
Creators: name: Nosilia, Viviana
name: Lazarević, Persida
name: Giuliano, Giuseppina
name: Bertelè, Matteo
name: Zalambani, Maria
name: Cavallaro, Alessia
Publisher: name: Universita' degli Studi di Salerno
Year: 2018

description: Contiene: Ośrodki kultury dawnej Słowiańszczyzny i ich znaczenie dzie­jo­we, red. M. Kuczyńska, J. Stradomski, Kraków, Wyd. Scriptum, 2017 (V. Nosilia) ; L’Albania nell’Archivio di Propaganda Fide. Atti del Convegno In­ter­nazionale Città del Vaticano, 26-27 ottobre 2015, a cura di A. Ndreca, Città del Vaticano, Urba­nia­na University Press, 2017 (P. Lazarević) ; B. Bulatović, Oklevetana književnost: ideološki aspekti u kritič­kom sagledavanju srpske književnosti i kulture krajem 20. i početkom 21. veka, Novi Sad, Naučno udru­­ženje za razvoj srpskih studija, 2017 (P. Lazarević) ; M. Levina-Parker, Master serijnogo samosočinenija Andrej Belyj, SPb., Izd. Puš­kin­sko­go Doma/Nestor-Istorija, 2018 (G. Giuliano) ; Globalizing East European Art Histories. Past and Present, ed. by B. Hock and A. Allas, New York-London, Routledge, 2018 (M. Bertelè) ; L. Mecacci, Lev Vygotskij. Sviluppo, educazione e patologia della mente, Fi­ren­ze, Giunti, 2017 (M. Zalambani) ; N. Misler, L’arte del movimento in Russia 1920-1930, Torino, Al­le­mandi Editore, 2017 (A. Cavallaro).
Computing a Link Diagram from its Exterior
Creators: name: Dunfield, Nathan M.
name: Obeidin, Malik
name: Rudd, Cameron Gates
Publisher: name: arXiv
Year: 2021
Subjects: subject: Geometric Topology (math.GT)
subject: Computational Geometry (cs.CG)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: G.4
subject: 57K10 (Primary) 57K30 (Secondary)

description: A knot is a circle piecewise-linearly embedded into the 3-sphere. The topology of a knot is intimately related to that of its exterior, which is the complement of an open regular neighborhood of the knot. Knots are typically encoded by planar diagrams, whereas their exteriors, which are compact 3-manifolds with torus boundary, are encoded by triangulations. Here, we give the first practical algorithm for finding a diagram of a knot given a triangulation of its exterior. Our method applies to links as well as knots, allows us to recover links with hundreds of crossings. We use it to find the first diagrams known for 23 principal congruence arithmetic link exteriors; the largest has over 2,500 crossings. Other applications include finding pairs of knots with the same 0-surgery, which relates to questions about slice knots and the smooth 4D Poincaré conjecture.
description: 34 pages, 29 figures; V2 as appeared in "Proceedings of the 38th International Symposium on Computational Geometry (SoCG 2022)"; V3 restructured journal version, to appear in "Discrete & Computational Geometry"
Error suppression in Hamiltonian based quantum computation using energy penalties
Creators: name: Bookatz, Adam D.
name: Farhi, Edward
name: Zhou, Leo
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We consider the use of quantum error detecting codes, together with energy penalties against leaving the codespace, as a method for suppressing environmentally induced errors in Hamiltonian based quantum computation. This method was introduced in [1] in the context of quantum adiabatic computation, but we consider it more generally. Specifically, we consider a computational Hamiltonian, which has been encoded using the logical qubits of a single-qubit error detecting code, coupled to an environment of qubits by interaction terms that act one-locally on the system. Energy penalty terms are added that penalize states outside of the codespace. We prove that in the limit of infinitely large penalties, one-local errors are completely suppressed, and we derive some bounds for the finite penalty case. Our proof technique involves exact integration of the Schrodinger equation, making no use of master equations or their assumptions. We perform long time numerical simulations on a small (one logical qubit) computational system coupled to an environment and the results suggest that the energy penalty method achieves even greater protection than our bounds indicate.
description: 26 pages, 7 figures
Double Lie algebroids and representations up to homotopy
Creators: name: Gracia-Saz, Alfonso
name: Lean, Madeleine Jotz
name: Mackenzie, Kirill C. H.
name: Mehta, Rajan A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: Primary: 53D17, Secondary: 17B66, 18D05

description: We show that double Lie algebroids, together with a chosen linear splitting, are equivalent to pairs of 2-term representations up to homotopy satisfying compatibility conditions which extend the notion of matched pair of Lie algebroids. We discuss in detail the tangent of a Lie algebroid.
title: Value of the computed tomography in acute intestinal obstruction
Creators: name: Zouche, Mohamed Zied
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Abdomen
subject: CT
subject: Surgery
subject: Volvulus

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Specify the value of the computed tomography in the lesional assessment of acute intestinal obstruction at the different levels of diagnosis: positive, etiological, topographic and...
Nuttall's theorem with analytic weights on algebraic S-contours
Creators: name: Yattselev, Maxim L.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: FOS: Mathematics
subject: 42C05, 41A20, 41A21

description: Given a function $f$ holomorphic at infinity, the $n$-th diagonal Padé approximant to $f$, denoted by $[n/n]_f$, is a rational function of type $(n,n)$ that has the highest order of contact with $f$ at infinity. Nuttall's theorem provides an asymptotic formula for the error of approximation $f-[n/n]_f$ in the case where $f$ is the Cauchy integral of a smooth density with respect to the arcsine distribution on [-1,1]. In this note, Nuttall's theorem is extended to Cauchy integrals of analytic densities on the so-called algebraic S-contours (in the sense of Nuttall and Stahl).
On SOCP-based disjunctive cuts for solving a class of integer bilevel nonlinear programs
Creators: name: Gaar, Elisabeth
name: Lee, Jon
name: Ljubić, Ivana
name: Sinnl, Markus
name: Tanınmış, Kübra
Publisher: name: arXiv
Year: 2022
Subjects: subject: Optimization and Control (math.OC)
subject: Discrete Mathematics (cs.DM)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 90C11, 90C57, 90C30, 65K05

description: We study a class of integer bilevel programs with second-order cone constraints at the upper-level and a convex-quadratic objective function and linear constraints at the lower-level. We develop disjunctive cuts (DCs) to separate bilevel-infeasible solutions using a second-order-cone-based cut-generating procedure. We propose DC separation strategies and consider several approaches for removing redundant disjunctions and normalization. Using these DCs, we propose a branch-and-cut algorithm for the problem class we study, and a cutting-plane method for the problem variant with only binary variables. We present an extensive computational study on a diverse set of instances, including instances with binary and with integer variables, and instances with a single and with multiple linking constraints. Our computational study demonstrates that the proposed enhancements of our solution approaches are effective for improving the performance. Moreover, both of our approaches outperform a state-of-the-art generic solver for mixed-integer bilevel linear programs that is able to solve a linearized version of our binary instances.
description: arXiv admin note: substantial text overlap with arXiv:2111.06824
title: Internal Hernias - The 'Ins and Outs'!
Creators: name: Davendralingam, Natasha
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Hernia
subject: Colonography CT
subject: CT
subject: Gastrointestinal tract
subject: Abdomen
subject: CT-Colonography
subject: Mesentery

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: To discuss the different types of internal hernias as seen on multidetector computed tomography (CT), including the typical imaging features and anatomical...
title: Acute Pediatric Abdominal Pain: ultrasonic findings.
Creators: name: Grana, Maria
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Abdomen
subject: Ultrasound
subject: Ultrasound-Power Doppler
subject: Diagnostic procedure
subject: Inflammation
subject: Trauma
subject: Ischaemia / Infarction

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: 1. Differential diagnosis of acute abdominal pain in children. 2. Identify pathognomonic findings of each entity. 3.Identify the advantages and disadvantages of ultrasound as a diagnostic...
Antihypertensive activity of phytocompounds from selected medicinal plants via inhibition of angiotensin-converting enzyme (ACE) protein: an in-silico approach
Creators: name: Mall, Smita
name: Srivastava, Reetika
name: Sharma, Nitin
name: Patel, Chirag N.
name: Rolta, Rajan
name: Sourirajan, Anuradha
name: Dev, Kamal
name: Ghosh, Arabinda
name: Kumar, Vikas
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biophysics
subject: Biochemistry
subject: Genetics
subject: FOS: Biological sciences
subject: Pharmacology
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: 60506 Virology

description: Hypertension has been a significant cause of death due to elevated blood pressure worldwide. The results of molecular docking showed out of selected 40 compounds, chasmanthin (-11.05 kcal/mol), and palmarin (-11.22 kcal/mol) showed strong binding with angiotensin-converting enzyme (ACE) target. The inhibitory action of the selected phytocompounds for ACE protein was also validated by comparing it with the reference drugs, lisinopril (-9.42 kcal/mol), and enalapril (-5.07 kcal/mol). MD simulations study of 100 ns also demonstrated stability of chasmanthin, and palmarin within the active sites of ACE protein. Molecular mechanics generalised born surface area (MMGBSA) analysis of MD trajectories exhibited significant binding of palmarin with ACE (dG Bind= −38.65 ± 2.59 kcal/mol) and chasmanthin (dG Bind= −37.64 ± 2.67 kcal/mol). Drug likeness and pharmacokinetics properties of palmarin and chasmanthin was also found to be permissible, thereby suggesting the use of chasmanthin and palmarin as a novel target inhibitor against ACE protein to combat hypertension.
title: Safety and efficacy of inferior vena cava filters: a multicenter seventeen years experience
Creators: name: Santi, Marco
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Veins / Vena cava
subject: Interventional vascular
subject: Catheter venography
subject: CT-Angiography
subject: Ultrasound
subject: Filter insertions
subject: Removal
subject: Contrast agent-intravenous
subject: Embolism / Thrombosis

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: In the last decades, the use of inferior vena cava filters (IVCF) has constantly increased [1], mainly because of the introduction and increasing application of retrievable devices [2]. Even if anticoagulation (Ac) is the first-line therapy for...
An Automated Machine Learning Approach towards Energy Saving Estimates in Public Buildings
Creators: name: Biessmann, Felix
name: Kamble, Bhaskar
name: Streblow, Rita
Publisher: name: Technische Universität Berlin
Year: 2023
Subjects: subject: 300 Sozialwissenschaften::330 Wirtschaft::333 Boden- und Energiewirtschaft
subject: machine learning
subject: automated machine learning
subject: energy demand prediction
subject: energy efficiency measure
subject: public buildings

description: Reducing the energy consumption of buildings in the public sector is an important component in our efforts towards reaching our sustainability goals. In this context, a decisive prerequisite for administrations and policy makers is a tool for estimating the effectiveness of measures to reduce energy consumption. Estimating the impact of planned investments in building technology at scale, however, remains challenging, mainly for two reasons. For one, accurate physical modeling requires detailed building data, which can be difficult to obtain. Second, adapting established building models to novel measures aiming at energy consumption reduction is difficult. Hence, modeling building consumption patterns after retrofitting is a non-trivial task, and more research is needed to improve modeling techniques as well as to assess their effectiveness across a wide range of application scenarios. Modeling tools need to be generic enough to enable modeling of a variety of building types, they should ideally require as few input features as possible and they should allow for a high degree of automation in the selection and calibration of building modeling tools. Here, we propose a novel machine learning approach that does not require detailed building data and can automatically adapt to retrofitting measures. We evaluate our method on a data set of 113 public buildings in 4 building categories in Berlin, Germany. The data set contains energy consumption data in the initial state and after implementation of a weather-predictive heating control system. Despite being fully automated and requiring only minimal information about the building, our model can reliably predict the energy consumption of large public buildings better than established methods. All code and data are publicly released.
Real-Time Human-Computer Interaction Based on Face and Hand Gesture Recognition
Creators: name: Azad, Reza
name: Azad, Babak
name: Khalifa, Nabil Belhaj
name: Jamali, Shahram
Publisher: name: arXiv
Year: 2014
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: At the present time, hand gestures recognition system could be used as a more expected and useable approach for human computer interaction. Automatic hand gesture recognition system provides us a new tactic for interactive with the virtual environment. In this paper, a face and hand gesture recognition system which is able to control computer media player is offered. Hand gesture and human face are the key element to interact with the smart system. We used the face recognition scheme for viewer verification and the hand gesture recognition in mechanism of computer media player, for instance, volume down/up, next music and etc. In the proposed technique, first, the hand gesture and face location is extracted from the main image by combination of skin and cascade detector and then is sent to recognition stage. In recognition stage, first, the threshold condition is inspected then the extracted face and gesture will be recognized. In the result stage, the proposed technique is applied on the video dataset and the high precision ratio acquired. Additional the recommended hand gesture recognition method is applied on static American Sign Language (ASL) database and the correctness rate achieved nearby 99.40%. also the planned method could be used in gesture based computer games and virtual reality.
Supplementary document for Bidirectional electrostatic MEMS tunable VCSELs - 6817023.pdf
Creators: name: Simonsen, Arnhold
name: Payandeh, Masoud
name: Hansen, Søren
name: Marchevsky, Andrey
name: Park, Gyeong Cheol
name: Sahoo, Hitesh Kumar
name: Semenova, Elizaveta
name: Hansen, Ole
name: Yvind, Kresten
Publisher: name: Optica Publishing Group
Year: 2024
Subjects: Uncategorized

description: All black supplemental
title: Exploring the Pros and Cons of Post-Processing in Contrast-Enhanced Dual-Energy Neck CT Scans.
Creators: name: de Groen, Jeffrey
Publisher: name: European Congress of Radiology
Year: 2018
Subjects: subject: Tissue characterisation
subject: Cancer
subject: Artifacts
subject: Technical aspects
subject: Diagnostic procedure
subject: Computer Applications-Virtual imaging
subject: CT
subject: Radiographers
subject: Head and neck

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: To learn the pros and cons of dual-energy post-processing techniques in contrast-enhanced CT-scans of the neck. To understand the background how Perfused Blood Volume (PBV), Virtual Non-Contrast (VNC) and mono-energetic reconstructions are made. To...
Antimelanogenic activity of patuletin from Inula japonica flowers in B16F10 melanoma cells and zebrafish embryos
Creators: name: Lee, Ik Soo
name: Kim, Jang Hoon
Publisher: name: Taylor & Francis
Year: 2021
Subjects: subject: Biochemistry
subject: Cell Biology
subject: Genetics
subject: FOS: Biological sciences
subject: Molecular Biology
subject: Physiology
subject: Pharmacology
subject: Biotechnology
subject: Developmental Biology
subject: Cancer
subject: 60506 Virology

description: During the search for natural melanogenesis inhibitors, patuletin, a flavonoid, was isolated from Inula japonica flowers. We investigated the antimelanogenic effects of patuletin on B16F10 melanoma cells and zebrafish embryos. Patuletin dose-dependently reduced melanocyte-stimulating hormone-induced melanogenesis and L-DOPA oxidation in B16F10 cells. Western blot analysis showed that patuletin reduced cellular tyrosinase expression in a dose-dependent manner. Patuletin treatment significantly decreased melanin pigmentation in the embryo compared to the untreated controls
Delocalization and scaling properties of low-dimensional quasiperiodic systems
Creators: name: Guo, Ai-Min
name: Xie, X. C.
name: Sun, Qing-feng
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: In this paper, we explore the localization transition and the scaling properties of both quasi-one-dimensional and two-dimensional quasiperiodic systems, which are constituted from coupling several Aubry-André (AA) chains along the transverse direction, in the presence of next-nearest-neighbor (NNN) hopping. The localization length, two-terminal conductance, and participation ratio are calculated within the tight-binding Hamiltonian. Our results reveal that a metal-insulator transition could be driven in these systems not only by changing the NNN hopping integral but also by the dimensionality effects. These results are general and hold by coupling distinct AA chains with various model parameters. Furthermore, we show from finite-size scaling that the transport properties of the two-dimensional quasiperiodic system can be described by a single parameter and the scaling function can reach the value 1, contrary to the scaling theory of localization of disordered systems. The underlying physical mechanism is discussed.
description: 9 pages, 8 figures
Free-form micro-optics enabling ultra-broadband low-loss fiber-to-chip coupling
Creators: name: Yu, Shaoliang
name: Ranno, Luigi
name: Du, Qingyang
name: Serna, Samuel
name: McDonough, Colin
name: Fahrenkopf, Nicholas
name: Gu, Tian
name: Hu, Juejun
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: Applied Physics (physics.app-ph)
subject: FOS: Physical sciences

description: Efficient fiber-to-chip coupling has been a major hurdle to cost-effective packaging and scalable interconnections of photonic integrated circuits. Conventional photonic packaging methods relying on edge or grating coupling are constrained by high insertion losses, limited bandwidth density, narrow band operation, and sensitivity to misalignment. Here we present a new fiber-to-chip coupling scheme based on free-form reflective micro-optics. A design approach which simplifies the high-dimensional free-form optimization problem to as few as two full-wave simulations is implemented to empower computationally efficient design of high-performance free-form reflectors while capitalizing on the expanded geometric degrees of freedom. We demonstrated fiber array coupling to waveguides taped out through a standard foundry shuttle run and backend integrated with 3-D printed micro-optics. A low coupling loss down to 0.5 dB was experimentally measured at 1550 nm wavelength with a record 1-dB bandwidth of 300 nm spanning O to U bands. The coupling scheme further affords large alignment tolerance, high bandwidth density and solder reflow compatibility, qualifying it as a promising optical packaging solution for applications such as wavelength division multiplexing communications, broadband spectroscopic sensing, and nonlinear optical signal processing.
title: Mine Warfare in the Russian and Soviet Navies
Creators: name: Bray, Jeffrey K.
Publisher: name: Old Dominion University Libraries
Year: 1989

description: This thesis examines the development of technology, tactics, strategy, and organization of mine warfare in the Russian and Soviet navies from 1807 to the present. The author reviews the trials and tribulations of the development of naval mines and their employment within these two navies. This development has been primarily driven by the needs of war and advances of technology. In spite of occasional setbacks, the Russian and Soviet mine warfare forces continued to provide support to the overall naval and central policies of their respective governments. This support has often been during times of high tension and limited resources. Nevertheless, mine warfare has been and continues to be an integral component of the Russian and Soviet navies. A limited overview of Western mine warfare developments is included as a contrast to those accomplished by the Russian and Soviet mine warfare forces.
Attacking (and defending) the Maritime Radar System
Creators: name: Longo, G.
name: Russo, E.
name: Armando, A.
name: Merlo, A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Cryptography and Security (cs.CR)
subject: FOS: Computer and information sciences

description: Operation of radar equipment is one of the key facilities used by navigators to gather situational awareness about their surroundings. With an ever increasing need for always-running logistics and tighter shipping schedules, operators are relying more and more on computerized instruments and their indications. As a result, modern ships have become a complex cyber-physical system in which sensors and computers constantly communicate and coordinate. In this work, we discuss novel threats related to the radar system, which is one of the most security-sensitive component on a ship. In detail, we first discuss some new attacks capable of compromising the integrity of data displayed on a radar system, with potentially catastrophic impacts on the crew' situational awareness or even safety itself. Then, we present a detection system aimed at highlighting anomalies in the radar video feed, requiring no modifications to the target ship configuration. Finally, we stimulate our detection system by performing the attacks inside of a simulated environment. The experimental results clearly indicate that the attacks are feasible, rather easy to carry out, and hard-to-detect. Moreover, they prove that the proposed detection technique is effective.
Anti-inflammatory potential of processing Vernonanthura patens (Kunth) H. Rob. leaves aqueous extract
Creators: name: Manzano, Patricia
name: Chóez-Guaranda, Ivan
name: Viteri, Rafael
name: Barragán-Lucas, Ana
name: Quijano-Avilés, María
name: Sánchez, Carolina
name: Orellana-Manzano, Andrea
name: Cardador-Martínez, Anaberta
Publisher: name: Taylor & Francis
Year: 2022
Subjects: subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Pharmacology
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Ecology
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Cancer
subject: Science Policy
subject: Plant Biology

description: Folk medicine uses decoctions of Vernonanthura patens (Kunth) H. Rob. leaves for healing wounds, and moderate pains. In this study, anti-inflammatory activity of decocted aqueous extract and its fractions is discussed. The fractions were obtained by liquid-liquid extraction in a separating funnel with solvents of increasing polarity: hexane, chloroform, and ethyl acetate. Antioxidant capacity, COX1, and COX2 cyclooxygenase inhibitory activities of aqueous extract (A1), aqueous (A2), and ethyl acetate (A3) fractions were assessed. A3 revealed the highest flavonoid content, and DPPH (2,2-diphenyl-1-picrylhydrazyl) scavenging activity. Nevertheless, no significance differences were observed between IC50 values of A1 and A2, and A1 showed anti-inflammatory activity with potential selectivity against COX2 enzyme, but intermediate COX1 inhibition. Further experiments are required to complement the remarkable anti-inflammatory effect of assessed aqueous extract. These results support the medicinal use of this plant species and indicate that A1 can be used as raw material for prospective nutraceutical products.