cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Development of a prognostication model for breast cancer in British Columbia
Creators: name: Epp, Joyce
Publisher: name: University of British Columbia
Year: 2020

description: Detecting breast cancer in its early stages improves patient outcomes, as the disease is often more treatable at early stages. In British Columbia, BC Cancer Breast Screening provides screening mammography as the primary means of early detection. As with any screening test, false positive results do occur. However, false positive results from screening mammography have been shown to be associated with the risk of a future breast cancer. Moreover, the mammographic features that indicate a mammogram is abnormal have been shown to stratify the increase in risk. Models to predict breast cancer risk currently have a modest ability to distinguish between who will be diagnosed and who will not, with concordances in the 0.55 to 0.71 range. Using risk factor, screening, and diagnosis data from BC Cancer Breast Screening, we build several models that incorporate mammographic features with the aim of creating a risk prediction model that provides a better risk prediction than current models. We fit a Cox proportional hazards model, a time varying Cox model, an accelerated failure time model and a Poisson regression model. We found that mammographic features are associated with an increased risk of breast cancer and increased model concordance by about 0.006. However, while the internal calibration was satisfactory, as it was close to 1, the discrimination of the models was unsatisfactory, with concordances around 0.63. Compared to several models in the literature, our model performance was similar, with concordances near 0.63 and internal calibration close to 1 for both ours and the published models examined. We conclude that breast cancer risk prediction is not substantially improved by the incorporation of mammographic features in a categorical format.
Prepotential approach to solvable rational extensions of Harmonic Oscillator and Morse potentials
Creators: name: Ho, C. -L.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mathematical Physics (math-ph)
subject: Spectral Theory (math.SP)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: We show how the recently discovered solvable rational extensions of Harmonic Oscillator and Morse potentials can be constructed in a direct and systematic way, without the need of supersymmetry, shape invariance, Darboux-Crum and Darboux-Bäcklund transformations
description: 7 pages, no figures. Sect II considerably shortened, discussions on ground states added. Version to appear in J. Math. Phys
Solar-like oscillations in cluster stars
Creators: name: Stello, D.
name: Basu, S.
name: Bedding, T. R.
name: Brogaard, K.
name: Bruntt, H.
name: Chaplin, W. J.
name: Christensen-Dalsgaard, J.
name: Demarque, P.
name: Elsworth, Y. P.
name: García, R. A.
name: Gilliland, R. L.
name: Hekker, S.
name: Huber, D.
name: Karoff, C.
name: Kjeldsen, H.
name: Lebreton, Y.
name: Mathur, S.
name: Meibom, S.
name: Molenda-Żakowicz, J.
name: Noels, A.
name: Roxburgh, I. W.
name: Aguirre, V. S.
name: Sterken, C.
name: Szabó, R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a brief overview of the history of attempts to obtain a clear detection of solar-like oscillations in cluster stars, and discuss the results on the first clear detection, which was made by the Kepler Asteroseismic Science Consortium (KASC) Working Group 2.
description: 4 pages, 7 figures, accepted by Astronomische Nachrichten
Orthogonal optimization of beef stir-fried process followed by isolation and identification of the umami peptides by consecutive chromatography and LC-Q-TOF/MS
Creators: name: Huang, Yan
name: Duan, Wen
name: Wang, Linhan
name: Xiao, Junfei
name: Zhang, Yuyu
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: Beef is popular meat, rich in protein and delicious taste. Good stir-fried conditions could make the beef more nutritious and delicious. In this work, the optimization of stir-fried condition was studied through orthogonal method. Separation procedures utilizing ultrafiltration, Sephadex G-15 and reversed-phase high-performance liquid chromatography were used to isolate umami taste peptides. The range analysis of orthogonal methods indicated that the stir-fried time was the main factor in the taste efficiency of sensory evaluation, followed by sucrose, oil, and finally was the salt. Combined with sensory evaluation and LC-Q-TOF/MS, the amino acid sequences of five oligopeptides were identified in optimized stir-fried beef, included VAPEEHPT, LAPSTM, PECGLVVG, FADNVFAL, FAGDDAPR. There were 4 eight-peptide and 1 six-peptide. The 15 amino acids were identified in these five peptides. In the five peptides, the Pro appeared 5 times, Val and Ala appeared 4 times, Glu, Leu, Gly, Phe, and Asp appeared 3 times. The amino acid residues of Glu-Glu (EE)-continuous and Asp-Asp (DD)-continuous in the polypeptide of stir-fried beef were identified. Double umami amino acid-continuous could be important for the umami taste of peptide. Abbreviations: G Gly, Glycine; A Ala, Alanine; V Val, Valine; L Leu, Leucine; I Ile, Isoleucine; F Phe, Phenylalanine; W Trp, Tryptophan; Y Tyr, Tyrosine; D Asp, Aspartic acid; H His, Histidine; N Asn, Asparagine; E Glu, Glutamic acid; K Lys, Lysine; Q Gln, Glutamine; M Met, Methionine; R Arg, Arginine; S Ser, Serine; T Thr, Threonine; C Cys, Cysteine; P Pro Proline
Next-to-leading resummations in cosmological perturbation theory
Creators: name: Anselmi, Stefano
name: Matarrese, Sabino
name: Pietroni, Massimo
Publisher: name: arXiv
Year: 2010
Subjects: 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: One of the nicest results in cosmological perturbation theory is the analytical resummaton of the leading corrections at large momentum, which was obtained by Crocce and Scoccimarro for the propagator. Using an exact evolution equation, we generalize this result, by showing that a class of next-to-leading corrections can also be resummed at all orders in perturbation theory. The new corrections modify the propagator by a few percent in the Baryonic Acoustic Oscillation range of scales, and therefore cannot be neglected in resummation schemes aiming at an accuracy compatible with future generation galaxy surveys. Similar tools can be employed to derive improved approximations for the Power Spectrum.
description: 29 pages, 18 figures. Accepted for publication in JCAP
Studies of dense nuclear matter at NICA
Creators: name: Senger, Peter
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2020
Subjects: quantum chromodynamics: matter
matter: interaction
density: high
potential: chemical
particle flow: collective phenomena
heavy ion: scattering
Darmstadt GSI FAIR
NICA
nuclear matter
neutron star
Brookhaven RHIC Coll
experimental results
critical phenomena
strong interaction
equation of state
charmed particle
fluctuation
correlation

description: Laboratory experiments with high-energetic heavy-ion collisions offer the opportunity to explore fundamental properties of nuclear matter, such as the high-density equation-of-state, which governs the structure and dynamics of cosmic objects and phenomena like neutron stars, supernova explosions, and neutron star mergers. A particular goal and challenge of the experiments is to unravel the microscopic degrees-of-freedom of strongly interaction matter at high density, including the search for phase transitions, which may feature a region of phase coexistence and a critical endpoint. As the theory of strong interaction is not able to make firm predictions for the structure and the properties of matter high baryon chemical potentials, the scientific progress in this field is driven by experimental results. The mission of future experiments at FAIR and NICA, which will complement the running experimental programs at GSI, CERN, and RHIC, is to explore new diagnostic probes, which never have been measured before at collision energies, where the highest net-baryon densities will be created. The most promising observables, which are expected to shed light on the nature of high-density QCD matter, comprise the collective flow of identified particles including multi-strange (anti-) hyperons, fluctuations and correlations, lepton pairs, and charmed particles. In the following, the perspectives for experiments in the NICA energy range will be discussed.
Detection of Single Molecules Illuminated by a Light-Emitting Diode
Creators: name: Gerhardt, Ilja
name: Mai, Lijian
name: Lamas-Linares, Antia
name: Kurtsiefer, Christian
Publisher: name: arXiv
Year: 2011
Subjects: subject: Chemical Physics (physics.chem-ph)
subject: Optics (physics.optics)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Optical detection and spectroscopy of single molecules has become an indispensable tool in biological imaging and sensing. Its success is based on fluorescence of organic dye molecules under carefully engineered laser illumination. In this paper we demonstrate optical detection of single molecules on a wide-field microscope with an illumination based on a commercially available, green light-emitting diode. The results are directly compared with laser illumination in the same experimental configuration. The setup and the limiting factors, such as light transfer to the sample, spectral filtering and the resulting signal-to-noise ratio are discussed. A theoretical and an experimental approach to estimate these parameters are presented. The results can be adapted to other single emitter and illumination schemes.
description: 7 pages, 5 figures
title: Ð£Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ ÑÐ¸Ð½Ð°Ð½ÑÐ°Ð¼Ð¸ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ñ Ð¾Ð±Ð¾ÑÐ¾Ð½Ð½Ð¾-Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: The financial management of the defence sector
Creators: name: ÐÐµÐ±ÐµÐ´ÐµÐ²Ð°, ÐÐ°ÑÐ¸Ð½Ð°
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2018
Subjects: ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ðµ ÑÐ¸Ð½Ð°Ð½ÑÐ°Ð¼Ð¸
ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²ÑÐµ ÑÐµÑÑÑÑÑ
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description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð¿ÑÐ¾Ð²ÐµÐ´ÐµÐ½Ð° ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ° Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ð¹, Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð½ÑÑ Ð½Ð° Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ ÑÐ¿ÑÐ°Ð²Ð»ÐµÐ½Ð¸Ñ ÑÐ¸Ð½Ð°Ð½ÑÐ°Ð¼Ð¸ ÐÐÐ Â«Ð¡Ð²ÐµÑÐ»Ð°Ð½Ð°Â» Ñ ÑÑÐµÑÐ¾Ð¼ Ð¾ÑÑÐ°ÑÐ»ÐµÐ²Ð¾Ð¹ ÑÐ¿ÐµÑÐ¸ÑÐ¸ÐºÐ¸ Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¹ Ð¾Ð±Ð¾ÑÐ¾Ð½Ð½Ð¾-Ð¿ÑÐ¾Ð¼ÑÑÐ»ÐµÐ½Ð½Ð¾Ð³Ð¾ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐ°.
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ÐÐ¾ ÑÐµÐ·ÑÐ»ÑÑÐ°ÑÐ°Ð¼ Ð°Ð½Ð°Ð»Ð¸Ð·Ð° Ð½Ð° Ð¿ÑÐµÐ´Ð¿ÑÐ¸ÑÑÐ¸Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐ°Ð½Ñ ÑÐµÐºÐ¾Ð¼ÐµÐ½Ð´Ð°ÑÐ¸Ð¸ Ð¸ Ð¼ÐµÑÐ¾Ð¿ÑÐ¸ÑÑÐ¸Ñ, Ð½Ð°Ð¿ÑÐ°Ð²Ð»ÐµÐ½Ð½ÑÐµ Ð½Ð° Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ðµ ÑÑÑÐµÐºÑÐ¸Ð²Ð½Ð¾ÑÑÐ¸ Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸Ð½Ð°Ð½ÑÐ¾Ð²ÑÑ ÑÐµÑÑÑÑÐ¾Ð².
description: In this work, the development of a set of measures aimed at im-proving the efficiency of financial management of PJSC "Svetlana", taking into account the industry-specific enterprises of the military-industrial complex.
On the basis of the analysis developed its own methodology for determining the cost of execution of works on R & d in the framework of the state and carried out its testing on the example of a particular enterprise. 
Based on the results of the analysis, the company has developed recommendations and measures aimed at improving the efficiency of the use of financial resources.
Comparison of Methods for Elliptic Flow Measurements at NICA Energies $\sqrt{s_{NN}}$ = 4-11 GeV
Creators: name: Luong, Vinh Ba
name: Idrisov, Dim
name: Parfenov, Petr
name: Taranenko, Arkadiy
name: Demanov, Alexander
Publisher: name: Deutsches Elektronen-Synchrotron, DESY, Hamburg
Year: 2021
Subjects: quantum chromodynamics: critical phenomena
numerical calculations: Monte Carlo
heavy ion: scattering
nucleus nucleus: scattering
matter: interaction
flow: fluctuation
elliptic flow
NICA
correlation
performance
hadron
4-11 GeV-cms/nucleon

description: 24th International Scientific Conference of Young Scientists and Specialists, Dubna, Moscow region, Russian Federation, 13 Apr 2020 - 17 Apr 2020
description: The goal of the Multi-Purpose Detector (MPD) experiment at NICA collider is to explore the QCD phase diagram of strongly interacting matter produced in nucleus-nucleus collisions at $\sqrt{s_{NN}}=4-11$ GeV. The performance of MPD detector for elliptic flow measurements of charged hadrons is studied with Monte-Carlo simulations using collisions of Au+Au ions employing UrQMD, SMASH, and AMPT heavy-ion event generators. Different methods for flow measurements: event plane and direct cumulants are used to investigate the contribution of non-flow correlations and flow fluctuations.
The Invariant Measures of some Infinite Interval Exchange Maps
Creators: name: Hooper, W. Patrick
Publisher: name: arXiv
Year: 2010
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37E05, 37E20, 37A40

description: We classify the locally finite ergodic invariant measures of certain infinite interval exchange transformations (IETs). These transformations naturally arise from return maps of the straight-line flow on certain translation surfaces, and the study of the invariant measures for these IETs is equivalent to the study of invariant measures for the straight-line flow in some direction on these translation surfaces. For the surfaces and directions for which our methods apply, we can characterize the locally finite ergodic invariant measures of the straight-line flow in a set of directions of Hausdorff dimension larger than 1/2. We promote this characterization to a classification in some cases. For instance, when the surfaces admit a cocompact action by a nilpotent group, we prove each ergodic invariant measure for the straight-line flow is a Maharam measure, and we describe precisely which Maharam measures arise. When the surfaces under consideration are finite area, the straight-line flows in the directions we understand are uniquely ergodic. Our methods apply to translation surfaces admitting multi-twists in a pair of cylinder decompositions in non-parallel directions.
description: 107 pages, 11 figures. Minor improvements
Adaptive Experimentation with Delayed Binary Feedback
Creators: name: Wang, Zenan
name: Carrion, Carlos
name: Lin, Xiliang
name: Ji, Fuhua
name: Bao, Yongjun
name: Yan, Weipeng
Publisher: name: arXiv
Year: 2022
Subjects: subject: Information Retrieval (cs.IR)
subject: Machine Learning (cs.LG)
subject: FOS: Computer and information sciences

description: Conducting experiments with objectives that take significant delays to materialize (e.g. conversions, add-to-cart events, etc.) is challenging. Although the classical "split sample testing" is still valid for the delayed feedback, the experiment will take longer to complete, which also means spending more resources on worse-performing strategies due to their fixed allocation schedules. Alternatively, adaptive approaches such as "multi-armed bandits" are able to effectively reduce the cost of experimentation. But these methods generally cannot handle delayed objectives directly out of the box. This paper presents an adaptive experimentation solution tailored for delayed binary feedback objectives by estimating the real underlying objectives before they materialize and dynamically allocating variants based on the estimates. Experiments show that the proposed method is more efficient for delayed feedback compared to various other approaches and is robust in different settings. In addition, we describe an experimentation product powered by this algorithm. This product is currently deployed in the online experimentation platform of JD.com, a large e-commerce company and a publisher of digital ads.
description: to be published in Proceedings of the ACM Web Conference 2022 (WWW '22)
Orthogonal optimization of beef stir-fried process followed by isolation and identification of the umami peptides by consecutive chromatography and LC-Q-TOF/MS
Creators: name: Huang, Yan
name: Wen, Duan
name: Wang, Linhan
name: Xiao, Junfei
name: Zhang, Yuyu
Publisher: name: Taylor & Francis
Year: 2019
Subjects: subject: Biochemistry
subject: Medicine
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: Beef is popular meat, rich in protein and delicious taste. Good stir-fried conditions could make the beef more nutritious and delicious. In this work, the optimization of stir-fried condition was studied through orthogonal method. Separation procedures utilizing ultrafiltration, Sephadex G-15 and reversed-phase high-performance liquid chromatography were used to isolate umami taste peptides. The range analysis of orthogonal methods indicated that the stir-fried time was the main factor in the taste efficiency of sensory evaluation, followed by sucrose, oil, and finally was the salt. Combined with sensory evaluation and LC-Q-TOF/MS, the amino acid sequences of five oligopeptides were identified in optimized stir-fried beef, included VAPEEHPT, LAPSTM, PECGLVVG, FADNVFAL, FAGDDAPR. There were 4 eight-peptide and 1 six-peptide. The 15 amino acids were identified in these five peptides. In the five peptides, the Pro appeared 5 times, Val and Ala appeared 4 times, Glu, Leu, Gly, Phe, and Asp appeared 3 times. The amino acid residues of Glu-Glu (EE)-continuous and Asp-Asp (DD)-continuous in the polypeptide of stir-fried beef were identified. Double umami amino acid-continuous could be important for the umami taste of peptide. Abbreviations: G Gly, Glycine; A Ala, Alanine; V Val, Valine; L Leu, Leucine; I Ile, Isoleucine; F Phe, Phenylalanine; W Trp, Tryptophan; Y Tyr, Tyrosine; D Asp, Aspartic acid; H His, Histidine; N Asn, Asparagine; E Glu, Glutamic acid; K Lys, Lysine; Q Gln, Glutamine; M Met, Methionine; R Arg, Arginine; S Ser, Serine; T Thr, Threonine; C Cys, Cysteine; P Pro Proline
Interaction between hopping and static spins in a discrete network
Creators: name: Ciccarello, Francesco
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We consider a process where a spin hops across a discrete network and at certain sites couples to static spins. While this setting is implementable in various scenarios (e.g quantum dots or coupled cavities) the physics of such processes is still basically unknown. Here, we take a first step along this line by scrutinizing a two-site and a three-site lattices, each with two static spins. Despite a generally complex dynamics occurs, we show a regime such that the spin dynamics is described by an effective three-spin chain. Tasks such as entanglement generation and quantum state transfer can be achieved accordingly.
description: 8 pages, 6 figures. Title changed
Deuteron-induced reactions generated by intense Lasers for PET isotope production
Creators: name: Kimura, Sachie
name: Bonasera, Aldo
Publisher: name: arXiv
Year: 2011
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Medical Physics (physics.med-ph)
subject: FOS: Physical sciences

description: We investigate the feasibility of using laser accelerated protons/deuterons for positron emission tomography (PET) isotope production by means of the nuclear reactions $^{11}$B($p,n$)$^{11}$C and $^{10}$B($d,n$)$^{11}$C. The second reaction has a positive Q-value and no energy threshold. One can, therefore, make use of the lower energy part of the laser-generated deuterons, which includes the majority of the accelerated deuterons. The $^{11}$C produced from the reaction $^{10}$B($d,n$)$^{11}$C is estimated to be 7.4 $\times$ 10$^{9}$ per laser-shot at the Titan laser at Lawrence Livermore National Laboratory. Meanwhile a high-repetition table top laser irradiation is estimated to generate 3.5 $\times$ 10$^7$ $^{11}$C per shot from the same reaction. In terms of the $^{11}$C activity, it is about 2 $\times$ 10$^4$ Bq per shot. If this laser delivers kHz, the activity is integrated to 1 GBq after 3 minutes. The number is sufficient for the practical application in medical imaging for PET.
description: 17 pages, 4 figures
Riconoscimento delle specie ittiche
Creators: name: Converso, Giovanni
Publisher: name: Scuola Universitaria della Svizzera Italiana (SUPSI)
Year: 2019

description: Il progetto descritto in questo documento si inserisce nel contesto dei sistemi di classificazione, in particolare dell’apprendimento supervisionato di specie ittiche. Lo scopo è quello di implementare una piattaforma che, attraverso l’uso di un dispositivo mobile, consenta di scattare una fotografia ad un pesce riconoscendone la specie attraverso un classificatore precedentemente addestrato. E’ stata sviluppata una rete convoluzionale in grado di riconoscere tredici specie ittiche. Il modello creato e addestrato è reso disponibile in modo esclusivo ad un server creato ad hoc che espone un servizio REST. Inoltre, è stata implementata un’applicazione client per comunicare con il server. Il client in questione permette all’utente finale di potersi registrare e autenticare nella piattaforma, fotografare il pesce e memorizzare la foto con le relative informazioni, in un album privato dedicato. I risultati ottenuti sono soddisfacenti, in quanto soddisfano tutti i requisiti richiesti dal committente, lasciando spazio per ulteriori migliorie.
Utility of 3D printed cardiac models in congenital heart disease
Creators: name: Illmann, Caroline Frances
Publisher: name: University of British Columbia
Year: 2020

description: Congenital heart disease (CHD) encompasses a heterogenous group of lesions whereby the anatomic structures and relationships of the heart have not undergone a normal development. CHD is the most common congenital malformation in newborns, occurring in about 1% of live births. Over the last 5 decades improvements in surgical and interventional catheterization techniques have resulted in an average life expectancy well into adulthood. Three-dimensional (3D) modelling is capable of producing a physical 3D model from a digital clinical imaging data set. 3D printed cardiac models may be especially useful for the study and treatment of CHD as they can convey patient-specific information in 3D space. This research provides insights on the scope of use of patient specific 3D printed cardiac models used in the care of patients with CHD with respect to the available current body of literature and in clinical practice. This thesis investigates 1) reported uses of 3D printed CHD models in the literature; 2) access to and use of 3D printing technology for CHD in clinical practice; 3) applications of 3D printed CHD models for interventional cardiac procedural planning and 4) applications for undergraduate medical education.
A dissipative quantum Church-Turing theorem
Creators: name: Kliesch, M.
name: Barthel, T.
name: Gogolin, C.
name: Kastoryano, M.
name: Eisert, J.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: We show that the time evolution of an open quantum system, described by a possibly time dependent Liouvillian, can be simulated by a unitary quantum circuit of a size scaling polynomially in the simulation time and the size of the system. An immediate consequence is that dissipative quantum computing is no more powerful than the unitary circuit model. Our result can be seen as a dissipative Church-Turing theorem, since it implies that under natural assumptions, such as weak coupling to an environment, the dynamics of an open quantum system can be simulated efficiently on a quantum computer. Formally, we introduce a Trotter decomposition for Liouvillian dynamics and give explicit error bounds. This constitutes a practical tool for numerical simulations, e.g., using matrix-product operators. We also demonstrate that most quantum states cannot be prepared efficiently.
description: 4 pages + 5 pages appendix, Implication 3 corrected
title: Ð Ð°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐ¸Ð¿Ð¾Ð²Ð¾Ð¹ ÑÑÑÑÐºÑÑÑÑ Ð¸ Ð´Ð¸Ð·Ð°Ð¹Ð½Ð° Ð¸Ð½ÑÐµÑÐ½ÐµÑ ÑÐ°Ð¹ÑÐ° ÐÐ¢-ÐºÐ¾Ð¼Ð¿Ð°Ð½Ð¸Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Development of the typical structure and design of the internet site of the it company
Creators: name: Ð¡ÑÐµÐ¿Ð°Ð½Ð¾Ð²Ð°, ÐÐ½Ð°ÑÑÐ°ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: ÐÐ½ÑÐµÑÐ½ÐµÑ
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Sitemap
site audit
benchmarking
conversion
index of efficiency
the market of it services
competitive analysis

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description: The purpose of the graduation work is to develop a typical structure and design of the IT company's website on the example of the website of AitiLand-Soft LLC. Based on competitive analysis, companies that are competitors to the selected company were selected. Benchmarking was carried out, as well as an audit of the current site and sites of competitors was carried out. Considering possible embodiments of the site structure and comparing with the obtained information as a result of the analysis, a standard structure and design of the IT company's website was developed, which corresponds to the set goals of the IT company's website.
Fermi-Hubbard physics with atoms in an optical lattice
Creators: name: Esslinger, Tilman
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: The Fermi-Hubbard model is a key concept in condensed matter physics and provides crucial insights into electronic and magnetic properties of materials. Yet, the intricate nature of Fermi systems poses a barrier to answer important questions concerning d-wave superconductivity and quantum magnetism. Recently, it has become possible to experimentally realize the Fermi-Hubbard model using a fermionic quantum gas loaded into an optical lattice. In this atomic approach to the Fermi-Hubbard model the Hamiltonian is a direct result of the optical lattice potential created by interfering laser fields and short-ranged ultracold collisions. It provides a route to simulate the physics of the Hamiltonian and to address open questions and novel challenges of the underlying many-body system. This review gives an overview of the current efforts in understanding and realizing experiments with fermionic atoms in optical lattices and discusses key experiments in the metallic, band-insulating, superfluid and Mott-insulating regimes.
description: Posted with permission from the Annual Review of of Condensed Matter Physics Volume 1 \c{opyright} 2010 by Annual Reviews, http://www.annualreviews.org
Ricci flow of conformally compact metrics
Creators: name: Bahuaud, Eric
Publisher: name: arXiv
Year: 2010
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 53C44, 58J35, 35K40, 35K59

description: In this paper we prove that given a smoothly conformally compact metric there is a short-time solution to the Ricci flow that remains smoothly conformally compact. We adapt recent results of Schnürer, Schulze and Simon to prove a stability result for conformally compact Einstein metrics sufficiently close to the hyperbolic metric.
description: 26 pages, 2 figures. Version 2 includes stronger stability result and fixes several typos
Matching Orderable and Separable Hypergraphs
Creators: name: Onn, Shmuel
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: Discrete Mathematics (cs.DM)
subject: Data Structures and Algorithms (cs.DS)
subject: Optimization and Control (math.OC)
subject: FOS: Mathematics
subject: FOS: Computer and information sciences
subject: 05A, 15A, 51M, 52A, 52B, 52C, 62H, 68Q, 68R, 68U, 68W, 90B, 90C

description: A perfect matching in a hypergraph is a set of edges that partition the set of vertices. We study the complexity of deciding the existence of a perfect matching in orderable and separable hypergraphs. We show that the class of orderable hypergraphs is strictly contained in the class of separable hypergraphs. Accordingly, we show that for each fixed $k$, deciding perfect matching for orderable $k$-hypergraphs is polynomial time doable, but for each fixed $k\geq 3$, it is NP-complete for separable hypergraphs.
CITYplayer Design your Public Space: Playtesting Results
Creators: name: Anonymous
Publisher: name: Anonymous
Year: 2025
Subjects: serious games
urban sustainability
civic engagement

description: As the global population grows from 8 billion to 9.7 billion by 2050, with 68% expected to live in urban areas, cities face increasing pressure to balance economic growth with environmental and social issues. While policies to mitigate these issues exist, progress is often hindered by a lack of citizen and policymaker engagement due to limited knowledge, resistance to change, and fear of the unknown. In this paper, we introduce CITYplayer, a gamified neighbourhood simulator designed to promote learning and engagement about urban issues, as well as bridge the gap between citizens and policymakers. In this presentation, we showcase the results of playtesting CITYplayer: Design Your Public Space at the 17-Stations event, held at Concordia University's 4th Space on April 16, 2024. During the event, 24 participants engaged in the playtest session, providing feedback through text and screenshots.
Mapping the Galactic Halo with blue horizontal branch stars from the 2dF quasar redshift survey
Creators: name: De Propris, Roberto
name: Harrison, Craig D.
name: Mares, Peter J.
name: CTIO
name: University, Cornell
Publisher: name: arXiv
Year: 2010
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We use 666 blue horizontal branch (BHB) stars from the 2Qz redshift survey to map the Galactic halo in four dimensions (position, distance and velocity). We find that the halo extends to at least 100 kpc in Galactocentric distance, and obeys a single power-law density profile of index ~-2.5 in two different directions separated by 150 degrees on the sky. This suggests that the halo is spherical. Our map shows no large kinematically coherent structures (streams, clouds or plumes) and appears homogeneous. However, we find that at least 20% of the stars in the halo reside in substructures and that these substructures are dynamically young. The velocity dispersion profile of the halo appears to increase towards large radii while the stellar velocity distribution is non Gaussian beyond 60 kpc. We argue that the outer halo consists of a multitude of low luminosity overlapping tidal streams from recently accreted objects.
description: Accepted for publication in the Astrophysical Journal Requires emulateapj to process
Modeling of Reverberant Radio Channels Using Propagation Graphs
Creators: name: Pedersen, Troels
name: Steinböck, Gerhard
name: Fleury, Bernard H.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: In measurements of in-room radio channel responses an avalanche effect can be observed: earliest signal components, which appear well separated in delay, are followed by an avalanche of components arriving with increasing rate of occurrence, gradually merging into a diffuse tail with exponentially decaying power. We model the channel as a propagation graph in which vertices represent transmitters, receivers, and scatterers, while edges represent propagation conditions between vertices. The recursive structure of the graph accounts for the exponential power decay and the avalanche effect. We derive a closed form expression for the graph's transfer matrix. This expression is valid for any number of interactions and is straightforward to use in numerical simulations. We discuss an example where time dispersion occurs only due to propagation in between vertices. Numerical experiments reveal that the graph's recursive structure yields both an exponential power decay and an avalanche effect.
description: 11 pages, Submitted to IEEE Transactions on Antennas and Propagation
Additional file 1 of Toxicity and toxicokinetics of the ethanol extract of Zuojin formula
Creators: name: Wang, Shuo
name: Zhang, Tao
name: Liu, Xiaoyan
name: Yang, Zheng
name: Li, Ludi
name: Shan, Danping
name: Gao, Yadong
name: Li, Yingzi
name: Li, Yanying
name: Zhang, Youbo
name: Wang, Qi
Publisher: name: figshare
Year: 2022
Subjects: Biochemistry
Pharmacology
Chemical Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Science Policy

description: Additional file 1: Figure S1. Results of plasma protein indexes and blood ion levels during the administration. Compared with vehicle control group ***: P < 0.001; **: P < 0.01; *: P < 0.05. Figure S2. Results of blood chemistry after the oral administration of TAZF. Compared with vehicle control group, ***: P < 0.001; **: P < 0.01; *: P < 0.05. Figure S3. Microphotographs of liver, kidney and lung in control group and high-dose group. No obvious toxic change was found. Each figure is a representative photomicrograph from a rat in each group. Figure S4. Microphotographs of brain and digestive tract in control group and high-dose group. No obvious toxic change was found. Each figure is a representative photomicrograph from a rat in each group. Figure S5. Mean plasma concentration profiles of components in rat plasma after 1-day and 28-day oral administration of TAZF. Table S1. OCs of lung, spleen and heart in male rats during (n = 10) and after (n = 6) administration. Table S2. OCs of lung, spleen and heart in female rats during (n = 10) and after (n = 6) administration. Table S3. Results of hematological examination in male rats during (n = 10) and after (n = 6) administration. Table S4. Results of haematological examination in female rats during (n = 10) and after (n = 6) administration. Table S5. Linearity and linear range of the components. Table S6. Results of sensitivity and recovery. Table S7. Pharmacokinetic parameters of 6 components on the first and 28th day treated day in male rats. Table S8. Pharmacokinetic parameters of 6 components on the first and 28th day treated day in female rats.
Il mio superpotere è suonare il rock and roll: musica, espressività, teatralità per lo sviluppo personale di allievi del primo ciclo di scuola elementare
Creators: name: Berta, Francesco
Publisher: name: Scuola Universitaria della Svizzera Italiana (SUPSI)
Year: 2021

description: Questo lavoro parla delle esperienze vissute da una classe di 1a -2 a elementare alla scoperta di come lo sviluppo personale del bambino possa avvenire grazie al ruolo che musica e teatralità possono rivestire come canali espressivi. Gli allievi hanno esplorato attività e percorsi specifici ma hanno soprattutto avuto la possibilità di esprimersi liberamente e spontaneamente: dal riconoscimento e la gestione di forti emozioni provate a una crescente collaborazione con i compagni, dalla realizzazione di creazioni da presentare agli altri al conflitto interiore tra paura di mostrarsi agli altri e voglia di mettersi in gioco. Nel lavoro viene analizzato il processo vissuto dagli allievi all’interno di un approccio globale, in un contesto di classe dove gli allievi hanno avuto la possibilità di evolvere passando dalla conoscenza di sé all’acquisizione di una maggiore fiducia in sé, arrivando all’espressione di sé, con una riflessione su sé stessi e sulle proprie emozioni per capire come si è fatti, come ci si vuole esprimere e come si vuole comunicare al mondo quello che è la nostra persona. Dal punto di vista teorico il lavoro si basa sulla sinergia fra tre principi (l’educazione alla teatralità con approccio musicale, l’educazione socio-emotiva e il concetto di sviluppo personale espresso nel Piano di studio della scuola ticinese). Relatrice: Anna Galassetti.
A Long-Term Spectral Study of the Single Active Giant OP Andromedae
Creators: name: Georgiev, Stefan
name: Konstantinova-Antova, Renada
name: Borisova, Ana
name: Kolev, Dimitar
name: Aurière, Michel
name: Petit, Pascal
name: Belcheva, Maya
name: Markov, Haralambi
name: Bogdanovski, Rumen
name: Spassov, Borislav
name: Zamanov, Radoslav
name: Tomov, Nikolay
name: Kurtenkov, Alexander
Publisher: name: arXiv
Year: 2022
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a spectral study of the single magnetically active K giant OP And in the period 1979 -- 2018, monitoring the variability of the activity indicator line H$α$. Original data obtained in the period 2015 -- 2018 with the echelle spectrograph ESpeRo at the 2m telescope of the National Astronomical Observatory Rozhen in Bulgaria, previously unpublished original data obtained in the period 1997 -- 2007 and on one night in 2013 with the Coude spectrograph at the same telescope, as well as data from the literature are presented in this study. The variability of the H$α$ line reveals that the activity level of OP And is higher in the period 1993 -- 2000, while during the period 2008 -- 2010 it is lower, possibly close to a minimum. Also, our data for the period 2015 -- 2018 show that the activity level is increasing again. Spectral observations of the activity indicators CaII H&K lines and CaII IR triplet are sparse during the studied period. We use such ones when possible to confirm the detection of some flare events. The structure of H$α$ changes with the activity level: when the activity is higher, we observe a blue-shifted component of this line, interpreted as an expanding area above the photosphere, but during a lower activity period it is almost absent. Our results are in a good agreement with the idea that the magnetic field controls the mass outflow in this giant. More years of observations are necessary to determine the eventual activity cycle of OP And.
Ionization corrections in a multi-phase interstellar medium: Lessons from a z~2 sub-DLA
Creators: name: Milutinovic, Nikola
name: Ellison, Sara L.
name: Prochaska, J. Xavier
name: Tumlinson, Jason
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a high resolution (FWHM=2.7 km/s), high S/N echelle spectrum for the z = 2.26 QSO J2123-0050 and determine elemental abundances for the z = 2.06 sub-DLA in its line of sight. This high redshift sub-DLA has a complex kinematic structure and harbours detections of neutral (SI, CI), singly (e.g. CII, SII) and multiply ionized (e.g. CIV, SiIV) species as well as molecular H and HD. The plethora of detected transitions in various ionization stages is indicative of a complex multi-phase structure present in this high redshift galaxy. We demonstrate that the ionization corrections in this sub-DLA are significant (up to ~0.7 dex). For example, if no ionization correction is applied, a super-solar metallicity is derived ([S/H] = +0.36), whereas a single phase ionization correction reduces this to [S/H] = -0.19. The theoretical impact of a multi-phase medium is investigated through Cloudy modelling and it is found that the abundances of Si, S and Fe are always over-estimated (by up to 0.15 dex in our experiments) if a single-phase is assumed. Therefore, although Cloudy models improve estimates of metal column densities, the simplification of a single phase medium leaves a systematic error in the result, so that even ionization-corrected abundances may still be too high. Without ionization corrections the properties of this sub-DLA appear to require extreme scenarios of nucleosynthetic origins. After ionization corrections are applied the ISM of this galaxy appears to be similar to some of the sightlines through the Milky Way.
description: Accepted for publication in MNRAS
Comparing the Topological and Electrical Structure of the North American Electric Power Infrastructure
Creators: name: Cotilla-Sanchez, Eduardo
name: Hines, Paul D. H.
name: Barrows, Clayton
name: Blumsack, Seth
Publisher: name: arXiv
Year: 2011
Subjects: subject: Physics and Society (physics.soc-ph)
subject: Social and Information Networks (cs.SI)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The topological (graph) structure of complex networks often provides valuable information about the performance and vulnerability of the network. However, there are multiple ways to represent a given network as a graph. Electric power transmission and distribution networks have a topological structure that is straightforward to represent and analyze as a graph. However, simple graph models neglect the comprehensive connections between components that result from Ohm's and Kirchhoff's laws. This paper describes the structure of the three North American electric power interconnections, from the perspective of both topological and electrical connectivity. We compare the simple topology of these networks with that of random (Erdos and Renyi, 1959), preferential-attachment (Barabasi and Albert, 1999) and small-world (Watts and Strogatz, 1998) networks of equivalent sizes and find that power grids differ substantially from these abstract models in degree distribution, clustering, diameter and assortativity, and thus conclude that these topological forms may be misleading as models of power systems. To study the electrical connectivity of power systems, we propose a new method for representing electrical structure using electrical distances rather than geographic connections. Comparisons of these two representations of the North American power networks reveal notable differences between the electrical and topological structure of electric power networks.
Ising spin ladder with trimer rungs and next-nearest-neighbor coupling. Frustration in physics and agent models
Creators: name: Sznajd, Jozef
Publisher: name: arXiv
Year: 2022
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: The extended model of two-leg Ising spin ladder with trimer rungs and next nearest neighbor interaction (NNN) in an external magnetic field is studied using the transfer matrix and linear renormalization group methods. In the standard version (with the same only NN interactions in both legs) such a ladder exhibits very interesting behavior - a frustration driven extremely sharp phase crossover at finite temperature which resembles a phase transition, impossible in one dimension. It is shown that in all considered cases with different interactions in each leg (assymetric ladder), with NNN interactions and in the presence of small external field such a crossover takes place when the point at which the effective interleg coupling vanishes coincides with the point at which the interleg correlation function exhibits an inflection point accompanied by the specific heat maximum. A hypothesis is formulated that to describe an abrupt change in political view of the people it is not necessary to resort to a concept of a phase transition, controversial for social systems. In some cases, this phenomenon can be understood as a phase crossover triggered by the level of frustration. The source of this frustration is proposed as an internal conflict between two areas of attitudes of the society members, personal and economic, which are shaped by personality traits possibly modified by life experience.
Implicitly Restarted Generalized Second-order Arnoldi Type Algorithms for the Quadratic Eigenvalue Problem
Creators: name: Jia, Zhongxiao
name: Sun, Yuquan
Publisher: name: arXiv
Year: 2010
Subjects: subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: 65F15, 15A18

description: We investigate the generalized second-order Arnoldi (GSOAR) method, a generalization of the SOAR method proposed by Bai and Su [{\em SIAM J. Matrix Anal. Appl.}, 26 (2005): 640--659.], and the Refined GSOAR (RGSOAR) method for the quadratic eigenvalue problem (QEP). The two methods use the GSOAR procedure to generate an orthonormal basis of a given generalized second-order Krylov subspace, and with such basis they project the QEP onto the subspace and compute the Ritz pairs and the refined Ritz pairs, respectively. We develop implicitly restarted GSOAR and RGSOAR algorithms, in which we propose certain exact and refined shifts for respective use within the two algorithms. Numerical experiments on real-world problems illustrate the efficiency of the restarted algorithms and the superiority of the restarted RGSOAR to the restarted GSOAR. The experiments also demonstrate that both IGSOAR and IRGSOAR generally perform much better than the implicitly restarted Arnoldi method applied to the corresponding linearization problems, in terms of the accuracy and the computational efficiency.
description: 30 pages, 6 figures
Characteristic Lyapunov vectors in chaotic time-delayed systems
Creators: name: Pazó, Diego
name: López, Juan M.
Publisher: name: arXiv
Year: 2011
Subjects: subject: Chaotic Dynamics (nlin.CD)
subject: FOS: Physical sciences

description: We compute Lyapunov vectors (LVs) corresponding to the largest Lyapunov exponents in delay-differential equations with large time delay. We find that characteristic LVs, and backward (Gram-Schmidt) LVs, exhibit long-range correlations, identical to those already observed in dissipative extended systems. In addition we give numerical and theoretical support to the hypothesis that the main LV belongs, under a suitable transformation, to the universality class of the Kardar-Parisi-Zhang equation. These facts indicate that in the large delay limit (an important class of) delayed equations behave exactly as dissipative systems with spatiotemporal chaos.
description: 7 pages