cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Statistical tools used to identify scientific misconduct in mobile phone research (REFLEX program)
Creators: name: Lerchl, Alexander
name: Wilhelm, Adalbert FX
Publisher: name: arXiv
Year: 2008
Subjects: subject: Applications (stat.AP)
subject: FOS: Computer and information sciences

description: A severe case of scientific misconduct was discovered in a paper from 2005 allegedly showing harmful effects (DNA breakage) of non-thermal mobile phone electromagnetic field exposure on human and rat cells. Here we describe the way how the fraudulent data were identified. The low variations of the reported biological data are shown to be below theoretical lower limits (multinomial distributions). Another reason for doubts was highly significant non-equal distributions of last digits, a known hint towards data fabrication. The Medical University Vienna, where the research was conducted, was informed about these findings and came to the conclusion that the data in this and another, related paper by the same group were fabricated, and that both papers should be retracted.
description: This paper has been withdrawn by the authors due to concerns with referenced data sets. No further revisions.
Systematic high-level design of a fifth order Continuous-Time CRFF Delta Sigma ADC
Creators: name: Ghimouz, Abderrahmane
name: Rarbi, Fatah
name: Rossetto, Olivier
Publisher: name: arXiv
Year: 2021
Subjects: subject: Instrumentation and Detectors (physics.ins-det)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: In this paper we present the development of a Systematic high level design model based on MATLAB scripts. It is integrated into a graphical behavioral model toolbox for the synthesis and simulation of a Continuous-Time Delta Sigma ADC. For this, we decided to use a Model-based design approach which it is adopted to address problems associated with designing complex control and signal processing systems such as the case of Continuous-Time Delta Sigma ADC. The goal of our study is the design of a 10 bit ENOB ADC for energy measurement systems used in particle identification through a new generation of detectors based on diamond. Results of the synthesis of a proposed fifth order Continuous-Time Delta Sigma ADC modulator for 10-bit ENOB ADC based on a Cascaded Resonators Feedforward architecture and simulations of the dispersion of its components (due to fabrication process) using the proposed tool are demonstrated and discussed.
THE FUNCTION OF JOINTS IN THE BODY
Creators: name: Djuraeva, Barno
name: Omonov, Zukhriddin
name: Saidullaev, Elbek
Publisher: name: Zenodo
Year: 2023

description: This comprehensive article explores the multifaceted functions of the body's joints, ranging from facilitating movement and providing stability to supporting daily activities and contributing to overall musculoskeletal health. It delves into the diverse types of joints, including synovial, cartilaginous, and fibrous, elucidating their structures and roles. The article emphasizes the importance of joint health, considering aspects such as shock absorption, load-bearing, and the impact of aging on joint function. Additionally, it discusses common joint disorders, rehabilitation strategies, and the vital role of physical therapy in restoring joint function. This article serves as a valuable resource for understanding the integral role joints play in the harmonious symphony of human movement.
A Chandra archival study of the temperature and metal abundance profiles in hot Galaxy Clusters at 0.1 < z < 0.3
Creators: name: Baldi, A.
name: Ettori, S.
name: Mazzotta, P.
name: Tozzi, P.
name: Borgani, S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We present the analysis of the temperature and metallicity profiles of 12 galaxy clusters in the redshift range 0.1--0.3 selected from the Chandra archive with at least ~20,000 net ACIS counts and kT>6 keV. We divide the sample between 7 Cooling-Core (CC) and 5 Non-Cooling-Core (NCC) clusters according to their central cooling time. We find that single power-laws can describe properly both the temperature and metallicity profiles at radii larger than 0.1 r_180 in both CC and NCC systems, showing the NCC objects steeper profiles outwards. A significant deviation is only present in the inner 0.1 r_180. We perform a comparison of our sample with the De Grandi & Molendi BeppoSAX sample of local CC and NCC clusters, finding a complete agreement in the CC cluster profile and a marginally higher value (at ~1sigma) in the inner regions of the NCC clusters. The slope of the power-law describing kT(r) within 0.1 r_180 correlates strongly with the ratio between the cooling time and the age of the Universe at the cluster redshift, being the slope >0 and tau_c/tau_age<=0.6 in CC systems.
description: 12 pages, 6 figures, Accepted for publication by the Astrophysical Journal
Orbits of particles in noncommutative Schwarzschild spacetime
Creators: name: Nozari, Kourosh
name: Akhshabi, Siamak
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: By considering particles as smeared objects, we investigate the effects of space noncommutativity on the orbits of particles in Schwarzschild spacetime. The effects of space noncommutativity on the value of the precession of the perihelion of particle orbit and deflection of light ray in Schwarzschild geometry are calculated and the stability of circular orbits is discussed.
description: 14 Pages, 2 eps Figures, accepted for publication in Europhysics Letters
Computation of Time-Periodic Solutions of the Benjamin-Ono Equation
Creators: name: Ambrose, David M.
name: Wilkening, Jon
Publisher: name: arXiv
Year: 2008
Subjects: subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences
subject: 65K10, 37M20, 35Q53, 37G15

description: We present a spectrally accurate numerical method for finding non-trivial time-periodic solutions of non-linear partial differential equations. The method is based on minimizing a functional (of the initial condition and the period) that is positive unless the solution is periodic, in which case it is zero. We solve an adjoint PDE to compute the gradient of this functional with respect to the initial condition. We include additional terms in the functional to specify the free parameters, which, in the case of the Benjamin-Ono equation, are the mean, a spatial phase, a temporal phase and the real part of one of the Fourier modes at $t=0$. We use our method to study global paths of non-trivial time-periodic solutions connecting stationary and traveling waves of the Benjamin-Ono equation. As a starting guess for each path, we compute periodic solutions of the linearized problem by solving an infinite dimensional eigenvalue problem in closed form. We then use our numerical method to continue these solutions beyond the realm of linear theory until another traveling wave is reached. By experimentation with data fitting, we identify the analytical form of the solutions on the path connecting the one-hump stationary solution to the two-hump traveling wave. We then derive exact formulas for these solutions by explicitly solving the system of ODE's governing the evolution of solitons using the ansatz suggested by the numerical simulations.
description: 32 pages, 8 figures; title modified to emphasize computation, introduction re-written, 6 references added, paper shortened by deleting tangential discussion of Liapunov-Schmidt theory
The genetics of disease interaction in the lodgepole pine : western gall rust host : parasite system
Creators: name: Schulting, Maureen Joan
Publisher: name: University of British Columbia
Year: 2010

description: One hundred and eighty, three year old lodgepole pine (Pinus contorta var. latifolia Dougl.) seedlings, representing eighteen half sibling families were each inoculated with five different spore sources of western gall rust (Endocronartium harknessii (J.P. Moore) Hiratsuka) in June 1985 to investigate the genetics of disease interaction in this host:parasite system. Possible early symptoms of infection were recorded fourteen days after inoculation. Tabulations of the number of galls per shoot and shoot length were made in September 1985 and June 1986. Fifty-two percent (567 out of 1088) of the inoculated shoots became infected. The mean number of galls per infected shoot was 3.33. Statistical analyses indicated that only horizontal (quantitative) resistance was present in the lodgepole pine -western gall rust pathosystem. The lodgepole pine half sibling families and seedlings varied greatly in their horizontal resistance. The variation in levels of resistance found in lodgepole pine will allow for a successful western gall rust resistance breeding program. The number of galls per tree for the female parent trees did not significantly correlate with the percentage of shoots infected on the half-sibling progeny. Hence, tree breeders will have to test the resistance of progeny. Red staining was found more frequently on shoots that became infected suggesting that red staining is a possible early symptom of infection by western gall rust.
N=8 non-BPS Attractors, Fixed Scalars and Magic Supergravities
Creators: name: Ferrara, S.
name: Marrani, A.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We analyze the Hessian matrix of the black hole potential of N=8, d=4 supergravity, and determine its rank at non-BPS critical points, relating the resulting spectrum to non-BPS solutions (with non-vanishing central charge) of N=2, d=4 magic supergravities and their ``mirror'' duals. We find agreement with the known degeneracy splitting of N=2 non-BPS spectrum of generic special Kahler geometries with cubic holomorphic prepotential. We also relate non-BPS critical points with vanishing central charge in N=2 magic supergravities to a particular reduction of the N=8, 1/8-BPS critical points.
description: 1+25 pages, 4 Tables, no figures; v2: minor changes and corrections, Ref. added
Three String Junction and N=4 Dyon Spectrum
Creators: name: Sen, Ashoke
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The exact spectrum of dyons in a class of N=4 supersymmetric string theories gives us information about dyon spectrum in N=4 supersymmetric gauge theories. This in turn can be translated into prediction about the BPS spectrum of three string junctions on a configuration of three parallel D3-branes. We show that this prediction agrees with the known spectrum of three string junction in different domains in the moduli space separated by walls of marginal stability.
description: LaTeX file, 14 pages
Principal component-based image segmentation: a new approach to outline in vitro cell colonies
Creators: name: Arous, Delmon
name: Schrunner, Stefan
name: Hanson, Ingunn
name: Edin, Nina F. J.
name: Malinen, Eirik
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The in vitro clonogenic assay is a technique to study the ability of a cell to form a colony in a culture dish. By optical imaging, dishes with stained colonies can be scanned and assessed digitally. Identification, segmentation and counting of stained colonies play a vital part in high-throughput screening and quantitative assessment of biological assays. Image processing of such pictured/scanned assays can be affected by image/scan acquisition artifacts like background noise and spatially varying illumination, and contaminants in the suspension medium. Although existing approaches tackle these issues, the segmentation quality requires further improvement, particularly on noisy and low contrast images. In this work, we present an objective and versatile machine learning procedure to amend these issues by characterizing, extracting and segmenting inquired colonies using principal component analysis, k-means clustering and a modified watershed segmentation algorithm. The intention is to automatically identify visible colonies through spatial texture assessment and accordingly discriminate them from background in preparation for successive segmentation. The proposed segmentation algorithm yielded a similar quality as manual counting by human observers. High F1 scores (>0.9) and low root-mean-square errors (around 14%) underlined good agreement with ground truth data. Moreover, it outperformed a recent state-of-the-art method. The methodology will be an important tool in future cancer research applications.
ปัจจัยที่มีความสัมพันธ์กับความผูกพันต่อองค์การของอาจารย์มหาวิทยาลัยราชภัฏ
Creators: name: ปาริชาติ ขำเรือง
name: กระมล ทองธรรมชาติ
Publisher: name: สมาคมนักวิจัย
Year: 2555
Subjects: องค์การ,ความผูกพันต่อองค์การ,อาจารย์มหาวิทยาลัยราชภัฏ

description: 1, 17, วารสารสมาคมนักวิจัย
Finite generation of Tate cohomology
Creators: name: Carlson, Jon F.
name: Chebolu, Sunil K.
name: Minac, Jan
Publisher: name: arXiv
Year: 2008
Subjects: subject: Representation Theory (math.RT)
subject: K-Theory and Homology (math.KT)
subject: FOS: Mathematics
subject: 20C20, 20J06 (Primary), 55P42 (Secondary)

description: Let G be a finite group and let k be a field of characteristic p. Given a finitely generated indecomposable non-projective kG-module M, we conjecture that if the Tate cohomology $\HHHH^*(G, M)$ of G with coefficients in M is finitely generated over the Tate cohomology ring $\HHHH^*(G, k)$, then the support variety V_G(M) of M is equal to the entire maximal ideal spectrum V_G(k). We prove various results which support this conjecture. The converse of this conjecture is established for modules in the connected component of k in the stable Auslander-Reiten quiver for kG, but it is shown to be false in general. It is also shown that all finitely generated kG-modules over a group G have finitely generated Tate cohomology if and only if G has periodic cohomology.
description: 14 pages, to appear in "Representation theory" (AMS Journal)
ความคิดเห็นของผู้ปฏิบัติงานต่อการบริหารวิชาการในสถานศึกษา สังกัดสำนักงานเขตพื้นที่การศึกษาหนองคาย เขต 1
Creators: name: มยุเรศ โคตรชมพู
name: สมศักดิ์ คำศรี
name: อนันต์ พันนึก
name: ประยูร เจริญสุข
Publisher: name: มหาวิทยาลัยราชภัฏมหาสารคาม
Year: 2008
Subjects: การบริหารวิชาการ, ผู้ปฏิบัติงาน, หนองคาย

description: 2, 2, วารสารมหาวิทยาลัยราชภัฏมหาสารคามมนุษยศาสตร์และสังคมศาสตร์
A Multi-Wavelength Study of Star Formation in 15 Local Star-Forming Galaxies
Creators: name: Smith, Madison V.
name: van Zee, L.
name: Salim, S.
name: Dale, D.
name: Staudaher, S.
name: Wrock, T.
name: Maben, A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We have fit the far-ultraviolet (FUV) to mid-infrared (MIR) spectral energy distributions (SEDs) for several nearby galaxies ($
description: 42 pages, 48 figures, accepted for publication in MNRAS
Quantum Foundations of Classical Reversible Computing
Creators: name: Frank, Michael P.
name: Shukla, Karpur
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Emerging Technologies (cs.ET)
subject: FOS: Physical sciences
subject: FOS: Computer and information sciences

description: The reversible computation paradigm aims to provide a new foundation for general classical digital computing that is capable of circumventing the thermodynamic limits to the energy efficiency of the conventional, non-reversible digital paradigm. However, to date, the essential rationale for and analysis of classical reversible computing (RC) has not yet been expressed in terms that leverage the modern formal methods of non-equilibrium quantum thermodynamics (NEQT). In this paper, we begin developing an NEQT-based foundation for the physics of reversible computing. We use the framework of Gorini-Kossakowski-Sudarshan-Lindblad dynamics (a.k.a. Lindbladians) with multiple asymptotic states, incorporating recent results from resource theory, full counting statistics, and stochastic thermodynamics. Important conclusions include that, as expected: (1) Landauer's Principle indeed sets a strict lower bound on entropy generation in traditional non-reversible architectures for deterministic computing machines when we account for the loss of correlations; and (2) implementations of the alternative reversible computation paradigm can potentially avoid such losses, and thereby circumvent the Landauer limit, potentially allowing the efficiency of future digital computing technologies to continue improving indefinitely. We also outline a research plan for identifying the fundamental minimum energy dissipation of reversible computing machines as a function of speed.
description: 73 pages, 16 figures, accepted by Entropy
Μελέτη σύμμορφα αναλλοίωτων ποσοτήτων στο μιγαδικό επίπεδο
Creators: name: Καραφυλλιά, Χριστίνα Κ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Σύμμορφη απεικόνιση
Αρμονικό μέτρο
Υπερβολική απόσταση
Χώροι Hardy
Conformal mapping
Harmonic measure
Hyperbolic distance
Hardy spaces

description: Το περιεχόμενο της διατριβής εντάσσεται κυρίως στον τομέα της Μιγαδικής Ανάλυσης και πιο συγκεκριμένα της Γεωμετρικής Θεωρίας Συναρτήσεων. Μελετάμε κυρίως ιδιότητες και σχέσεις μεταξύ των κυριότερων σύμμορφα αναλλοίωτων ποσοτήτων στο μιγαδικό επίπεδο, όπως το αρμονικό μέτρο, η υπερβολική απόσταση, η συνάρτηση Green και το μεγιστικό μήκος. Οι παραπάνω ποσότητες σχετίζονται άμεσα με τη γεωμετρία του τόπου στον οποίο μελετώνται και έχουν αποδειχθεί με το πέρασμα του χρόνου πολλοί τρόποι για να εκτιμηθούν. Επομένως, με την βοήθειά τους μπορούν να αποδειχθούν γεωμετρικές συνθήκες για το πότε μια σύμμορφη απεικόνιση ανήκει σε κάποιο χώρο ολόμορφων συναρτήσεων. Συγκεκριμένα, μελετάμε τέτοιου είδους γεωμετρικές συνθήκες για τους χώρους Hardy και τρόπους υπολογισμού του αριθμού Hardy με τη βοήθεια του αρμονικού μέτρου και της υπερβολικής απόστασης. Αφορμή για τη μελέτη τέτοιου είδους προβλημάτων αποτέλεσαν τα ερωτήματα που έθεσε ο Poggi-Corradini στη διατριβή του το 1996.
description: Our research concerns classical problems in complex analysis and geometric function theory such as properties of conformal invariants and relations between them. The most important and well-studied conformal invariants in the complex plane are harmonic measure, hyperbolic distance, Green's function and extremal length or module. Also, we find the Hardy number of a region by looking at its geometric properties and we prove necessary and sufficient geometric conditions for whether a conformal mapping of the unit disk belongs to some Hardy space. Actually, we establish such conditions by studying harmonic measure and hyperbolic distance. Our motivation to study such problems was some open questions posed by Poggi-Corradini in his thesis in 1996.
Tactical Reframing of Online Disinformation Campaigns Against The Istanbul Convention
Creators: name: Elmas, Tuğrulcan
name: Overdorf, Rebekah
name: Aberer, Karl
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computers and Society (cs.CY)
subject: Social and Information Networks (cs.SI)
subject: FOS: Computer and information sciences

description: In March 2021, Turkey withdrew from The Istanbul Convention, a human-rights treaty that addresses violence against women, citing issues with the convention's implicit recognition of sexual and gender minorities. In this work, we trace disinformation campaigns related to the Istanbul Convention and its associated Turkish law that circulate on divorced men's rights Facebook groups. We find that these groups adjusted the narrative and focus of the campaigns to appeal to a larger audience, which we refer to as "tactical reframing." Initially, the men organized in a grass-roots manner to campaign against the Turkish law that was passed to codify the convention, focusing on one-sided custody of children and indefinite alimony. Later, they reframed their campaign and began attacking the Istanbul Convention, highlighting its acknowledgment of homosexuality. This case study highlights how disinformation campaigns can be used to weaponize homophobia in order to limit the rights of women. To the best of our knowledge, this is the first case study that analyzes a narrative reframing in the context of a disinformation campaign on social media.
description: Accepted to Data For the Welbeing of Most Vulnerable (DWMV) Workshop colocated with ICWSM 2021
New generation of porphyrinoids for mitochondria-targeted photodynamic therapy
Creators: name: Rangasamy, Sabarinathan
name: Bandini, Elisa
name: Venturini, Alessandro
name: Manet, Ilse
name: Bombelli, Cecilia
name: Heitz, Valérie
name: Bolze, Frédéric
name: Ventura, Barbara
Publisher: name: Zenodo
Year: 2019

description: Poster presented at the "UK-IT Joint Meeting on Photochemistry 2019", 24-26 June 2019, Lipari, Italy.
description: Poster Presentation 19
Magnetic phases for two $t_{2g}$ holes with spin-orbit coupling and crystal field
Creators: name: Strobel, Pascal
name: Aust, Friedemann
name: Daghofer, Maria
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We investigate two holes in the the $t_{2g}$ levels of a square-lattice Mott insulator with strong spin-orbit coupling. Exact diagonalization of a spin-orbital model valid at strong onsite interactions, but arbitrary spin-orbit coupling and crystal field is complemented by an effective triplon model (valid for strong spin-orbit coupling) and by a semiclassical variant of the model. We provide the magnetic phase diagram depending on crystal field and spin-orbit coupling, which largely agrees for the semiclassical and quantum models, as well as excitation spectra characterizing the various phases.
description: 12 pages, 12 figures
Σύνθεση και χαρακτηρισμός νέων προ-πολυμερισμένων ανόργανων κροκιδωτικών υλικών και εφαρμογή τους στην επεξεργασία νερού και αποβλήτων
Creators: name: Τόλκου, Αθανασία Κ.
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: Κροκίδωση
Πόσιμο νερό
Υγρά Απόβλητα
Coagulation
Drinking water
Wastewater

description: Σκοπός της διατριβής ήταν η σύνθεση και ο χαρακτηρισμός νέων βελτιωμένων προ-πολυμερισμένων ανόργανων κροκιδωτικών υλικών και η αξιολόγηση της εφαρμογής αυτών στην επεξεργασία νερού και υγρών αποβλήτων. Παρασκευάστηκαν περισσότερα από 40 νέου τύπου σύνθετα προ-πολυμερισμένα αντιδραστήρια κροκίδωσης με συνδυασμό αλάτων σιδήρου, αργιλίου και πολυπυριτικού οξέως (pSi) ή πολυηλεκτρολύτη (PE). Αρχικά, χαρακτηρίστηκαν και δοκιμάστηκαν τα νέα σύνθετα ανόργανα κροκιδωτικά αντιδραστήρια, στην κατεργασία του προσομοιωμένου επιφανειακού νερού. Στη συνέχεια, έγιναν δοκιμές για την επεξεργασία προσομοιωμένων υπόγειων νερών, με σκοπό την απομάκρυνση διάφορων ανεπιθύμητων συστατικών που υπάρχουν σε αυτό, όπως είναι το φθόριο. Eπιλεγμένα κροκιδωτικά υλικά μελετήθηκαν επίσης, ως προς την αποτελεσματικότητά τους στην κατεργασία πραγματικών δειγμάτων υγρών αποβλήτων. Βάσει των αποτελεσμάτων, συνιστάται ότι ένα κροκιδωτικό υλικό του τύπου poly-aluminum-ferric-silicate-chloride, με βελτιωμένες ιδιότητες θα πρέπει να έχει μέση βασικότητα, σχετικά χαμηλή περιεκτικότητα πυριτίου και σιδήρου, και θα πρέπει να παρασκευάζεται κατά προτίμηση με την τεχνική του συμπολυμερισμού.
description: The aim of the present thesis was to synthesize and characterize novel pre-polymerized inorganic coagulants and to evaluate their efficiency in water and wastewater treatment applications. More than 40 new types of composite pre-polymerized coagulants were prepared by combining iron, aluminum and polysilic acid (pSi) or polyelectrolyte (PE) salts. Initially, the new composite inorganic coagulants were characterized and examined in the treatment of simulated surface water. Subsequently, tests were conducted for the treatment of simulated groundwater, in order to remove various undesirable components present in it, such as fluoride. Selected coagulants were also studied for their efficacy in treating real wastewater samples. Based on the results, it is recommended that a coagulant of poly-aluminum-ferric-silicate-chloride type, with improved properties, should have a medium basicity, relatively low silicon and iron content, and should preferably be prepared by the co-polymerization technique.
Particle-In-Cell Simulations of the Cassini Spacecraft's Interaction with Saturn's Ionosphere during the Grand Finale
Creators: name: Zhang, Zeqi
name: Desai, Ravindra T.
name: Miyake, Yohei
name: Usui, Hideyuki
name: Shebanits, Oleg
Publisher: name: arXiv
Year: 2021
Subjects: subject: Space Physics (physics.space-ph)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: A surprising and unexpected phenomenon observed during Cassini's Grand Finale was the spacecraft charging to positive potentials in Saturn's ionosphere. Here, the ionospheric plasma was depleted of free electrons with negatively charged ions and dust accumulating up to over 95 % of the negative charge density. To further understand the spacecraft-plasma interaction, we perform a three dimensional Particle-In-Cell study of a model Cassini spacecraft immersed in plasma representative of Saturn's ionosphere. The simulations reveal complex interaction features such as electron wings and a highly structured wake containing spacecraft-scale vortices. The results show how a large negative ion concentration combined with a large negative to positive ion mass ratio is able to drive the spacecraft to the observed positive potentials. Despite the high electron depletions, the electron properties are found as a significant controlling factor for the spacecraft potential together with the magnetic field orientation which induces a potential gradient directed across Cassini's asymmetric body. This study reveals the global spacecraft interaction experienced by Cassini during the Grand Finale and how this is influenced by the unexpected negative ion and dust populations.
description: 16 pages, 7 figures, 1 table, Monthly Notices of the Royal Astronomical Society Main Journal: Accepted 2021 March 8. Received 2021 March 5; in original form 2021 January 22
Thermoelectric effects in a strongly correlated model for Na$_x$CoO$_2$
Creators: name: Peterson, Michael R.
name: Shastry, B. Sriram
name: Haerter, Jan O.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Thermal response functions of strongly correlated electron systems are of appreciable interest to the larger scientific community both theoretically and technologically. Here we focus on the infinitely correlated t-J model on a geometrically frustrated two-dimensional triangular lattice. Using exact diagonalization on a finite sized system we calculate the dynamical thermal response functions in order to determine the thermopower, Lorenz number, and dimensionless figure of merit. The dynamical thermal response functions is compared to the infinite frequency limit and shown to be very weak functions of frequency, hence, establishing the validity of the high frequency formalism recently proposed by Shastry for the thermopower, Lorenz number, and the dimensionless figure of merit. Further, the thermopower is demonstrated to have a low to mid temperature enhancement when the sign of the hopping parameter $t$ is switched from positive to negative for the geometrically frustrated lattice considered.
description: 16 pages, 10 figures, color version available at http://physics.ucsc.edu/~peterson/mrpeterson-condmat-NCO.pdf. V.2 has fixed minor typos in Eq. 11, 19, 25, and 26. V.3 is a color version
Harvesting crops between the trees : a study of recreation valuation
Creators: name: Murray, Edward Thomas
Publisher: name: University of British Columbia
Year: 2010

description: A non-market valuation of recreation activities on private forest land is undertaken to provide information for integrated forest management decision making. The Contingent Valuation Method is applied, through the use of a mailed questionnaire to a random sample of the households within the Capital Regional District on Vancouver Island, to estimate willingness-to-pay values and derive potential gross benefits for hunting, fishing and camping on the study area. Recreation activity participation levels and socio-economic characteristics of participants are discussed for each activity on the landbase. Recreation activities, in particular fishing, have a good potential for producing substantial benefits on the study area.
Isolate record for VAFB-ISO-647
Creators: name: Holloway, Corinne
Year: 1900
Subjects: subject: Santa Barbara (County)
valueUri: https://core.tdar.org/browse/geographic-keyword/3486/santa-barbara-county
subject: Vandenberg Air Force Base (VAFB)
valueUri: https://core.tdar.org/browse/geographic-keyword/85469/vandenberg-air-force-base-vafb
subject: Vandenberg Space Force Base (VSFB)
valueUri: https://core.tdar.org/browse/geographic-keyword/85584/vandenberg-space-force-base-vsfb
subject: California (State / Territory)
valueUri: https://core.tdar.org/browse/geographic-keyword/1484/california-state-territory
subject: Chipped Stone
valueUri: https://core.tdar.org/browse/material-type/2/chipped-stone
subject: Chert
valueUri: https://core.tdar.org/browse/material-type/213/chert
subject: Reconnaissance / Survey
valueUri: https://core.tdar.org/browse/investigation-type/7/reconnaissance-survey

description: This document is the isolated find record for VAFB-ISO-647. The artifacts are a tan and white Monterey chert shatter and a gray and brown Monterey chert shatter.
The Impact of a Percolating IGM on Redshifted 21 cm Observations of Quasar HII Regions
Creators: name: Geil, Paul M.
name: Wyithe, Stuart
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We assess the impact of inhomogeneous reionization on detection of HII regions surrounding luminous high redshift quasars using planned low frequency radio telescopes. Our approach is to implement a semi-numerical scheme to calculate the 3-dimensional structure of ionized regions surrounding a massive halo at high redshift, including the ionizing influence of a luminous quasar. As part of our analysis we briefly contrast our scheme with published semi-numerical models. We calculate mock 21cm spectra along the line of sight towards high redshift quasars, and estimate the ability of the planned Murchison Widefield Array to detect the presence of HII regions. The signal-to-noise for detection will drop as the characteristic bubble size grows during reionization because the quasar's influence becomes less prominent. However, quasars will imprint a detectable signature on observed 21cm spectra that is distinct from a region of typical IGM. At epochs where the mean hydrogen neutral fraction is ~30% or greater we find that neutral gas in the IGM surrounding a single quasar will be detectable (at a significance of 5 sigma) within 100 hour integrations in more than 50% of cases. 1000 hour integrations will be required to detect a smaller neutral fraction of 15% in more than 50% of cases. A highly significant detection will be possible in only 100 hours for a stack of 10 smaller 3 proper Mpc HII regions. The accurate measurement of the global average neutral fraction () will be limited by systematic fluctuations between lines of sight for single HII regions. We estimate the accuracy with which the global neutral fraction could be measured from a single HII region to be 50%, 30% and 20% for ~ 0.15, 0.3 and 0.5 respectively.
description: 12 pages, 5 figures. Accepted for publication in MNRAS. Significant revision of sensitivity analysis
How to Integrate Security Compliance Requirements with Agile Software Engineering at Scale?
Creators: name: Moyón, Fabiola
name: Fernández, Daniel Méndez
name: Beckers, Kristian
name: Klepper, Sebastian
Publisher: name: arXiv
Year: 2021
Subjects: subject: Software Engineering (cs.SE)
subject: FOS: Computer and information sciences

description: Integrating security into agile software development is an open issue for research and practice. Especially in strongly regulated industries, complexity increases not only when scaling agile practices but also when aiming for compliance with security standards. To achieve security compliance in a large-scale agile context, we developed S2C-SAFe: An extension of the Scaled Agile Framework that is compliant to the security standard IEC~62443-4-1 for secure product development. In this paper, we present the framework and its evaluation by agile and security experts within Siemens' large-scale project ecosystem. We discuss benefits and limitations as well as challenges from a practitioners' perspective. Our results indicate that \ssafe contributes to successfully integrating security compliance with lean and agile development in regulated environments. We also hope to raise awareness for the importance and challenges of integrating security in the scope of Continuous Software Engineering.
description: Authors' Copy
Stacking faults in $α$-RuCl$_3$ revealed by local electric polarization
Creators: name: Mi, Xinrun
name: Wang, Xiao
name: Gui, Hengrui
name: Pi, Maochai
name: Zheng, Tingting
name: Yang, Kunya
name: Gan, Yuhan
name: Wang, Peipei
name: Li, Alei
name: Wang, Aifeng
name: Zhang, Liyuan
name: Su, Yixi
name: Chai, Yisheng
name: He, Mingquan
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present out-of-plane dielectric and magnetodielectric measurements of single crystallines $α$-RuCl$_3$ with various degrees of stack faults. A frequency dependent, but field independent, dielectric anomaly appears at $T_{A}\:(f=100\:\mathrm{kHz})\sim$ 4 K once both magnetic transitions at $T_{N1}\sim$ 7 K and $T_{N2}\sim$ 14 K set in. The observed dielectric anomaly is attributed to the emergency of possible local electric polarizations whose inversion symmetry is broken by inhomogeneously distributed stacking faults. A field-induced intermediate phase is only observed when a magnetic field is applied perpendicular to the Ru-Ru bonds for samples with minimal stacking faults. Less pronounced in-plane anisotropy is found in samples with sizable contribution from stacking imperfections. Our findings suggest that dielectric measurement is a sensitive probe in detecting the structural and magnetic properties, which may be a promising tool especially in studying $α$-RuCl$_3$ thin film devices. Moreover, the stacking details of RuCl$_3$ layers strongly affect the ground state both in the magnetic and electric channels. Such a fragile ground state against stacking faults needs to be overcome for realistic applications utilizing the magnetic and/or electric properties of Kitaev based physics in $α$-RuCl$_3$.
description: 8 pages, 5 figures. Accepted for publication in Physical Review B
Enhanced lattice fluctuations prior to a nonmagnetic ferroelectric order in an ionic spin-chain system
Creators: name: Sunami, Keishi
name: Baba, Tomohiro
name: Miyagawa, Kazuya
name: Horiuchi, Sachio
name: Kanoda, Kazushi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We investigated microscopic lattice states in the donor-acceptor ionic Mott insulator, TTF-BA, by $^{79}$Br-NQR spectroscopy to explore cross-correlated fluctuations between spin, charge and lattice. A ferroelectric transition with lattice dimerization is captured by a NQR line splitting with the critical exponent $β$ of 0.40, as expected in the 3D Ising universality class, and a peak formation in the spin-lattice relaxation rate $T_1^{-1}$ at the transition temperature, $T_\mathrm{c}$, of 53 K. Notably, $T_1^{-1}$ does not obey the conventional $T^2$ law expected for the Raman process of phonons even far above $T_\mathrm{c}$, indicating the emergence of extraordinary lattice fluctuations. They are very probably associated with polar fluctuations in the paraelectric and paramagnetic phase of TTF-BA and explain the previous observation of the anomalously suppressed paramagnetic spin susceptibility, which was conjectured to be due to the local spin-singlet pairing prior to the nonmagnetic ferroelectric order [K. Sunami $et$ $al$., Phys. Rev. Res. 2, 043333 (2020)].
description: 4 pages, 4 figures
Σχεδιασμός και ανάπτυξη τροποποιημένων ενδοφακών με δυνατότητα ενδοφθάλμιας απελευθέρωσης φαρμάκου
Creators: name: Λαμπρογιάννης, Λάμπρος Π.
Publisher: name: Aristotle University of Thessaloniki
Year: 2020
Subjects: ενδοφακός
μεταφορά φαρμάκου
λεπτά υμένια
νανοτεχνολογία
intraocular lens
drug delivery
thin films
nanotechnology

description: Η παρούσα έρευνα αποσκοπεί στην ανάπτυξη κατάλληλου συστήματος ενδοφθάλμιας μεταφοράς φαρμάκου με απώτερο στόχο την απαλλαγή των ασθενών που υποβάλλονται σε χειρουργική αφαίρεση καταρράκτη από την ανάγκη για ενστάλαξη οφθαλμικών σταγόνων δεξαμεθαζόνης κατά τη μετεγχειρητική περίοδο. Ο σχεδιασμός και η ανάπτυξη του κατάλληλου συστήματος είναι αποτέλεσμα διεπιστημονικής συνεργασίας Οφθαλμολογίας και Νανοτεχνολογίας.Σχεδιάστηκαν και αναπτύχθηκαν πολυμερικά λεπτά υμένια με δυνατότητα σταδιακής απελευθέρωσης δεξαμεθαζόνης. Στη συνέχεια, τα υμένια με τις επιθυμητές ιδιότητες αναπτύχθηκαν στην επιφάνεια ενδοφακών. Οι 3 piece ενδοφακοί αποδείχθηκαν οι πλέον κατάλληλοι. Το σύστημα φακού υμενίου υπεβλήθη σε αποστείρωση και διενεργήθηκε in vitro έλεγχος τοξικότητας, με ευνοϊκά αποτελέσματα.Τα μέχρι τώρα αποτελέσματα ευνοούν την περαιτέρω έρευνα προς την κατεύθυνση της in vivo δοκιμασίας ασφάλειας και αποτελεσματικότητας. Το επόμενο βήμα στα πλαίσια μεταδιδακτορικής έρευνας είναι λογικό να περιλαμβάνει δοκιμασία ένθεσης των τροποποιημένων ενδοφακών σε πειραματόζωα.
description: The present study aims to develop an appropriate intraocular drug delivery system with the ultimate goal of relieving patients undergoing cataract removal from the need for instillation of dexamethasone eye drops during the postoperative period. Design and development of the drug delivery system is the result of interdisciplinary cooperation between Ophthalmology and Nanotechnology.Polymeric films with dexamethasone release potential were designed and developed. Subsequently, the films with the desired properties were developed on the surface of the lenses. The 3 piece intraocular lens proved to be the most appropriate. The film lens system was sterilized and an in vitro toxicity test was performed, with favorable results.The results so far favor further research in the field of in vivo safety and efficacy testing. A reasonable next step within the context of post-doctoral research would involve implantation of the modified IOLs in animals.
Tensor categories: A selective guided tour
Creators: name: Mueger, Michael
Publisher: name: arXiv
Year: 2008
Subjects: subject: Category Theory (math.CT)
subject: Quantum Algebra (math.QA)
subject: FOS: Mathematics
subject: 18D10, 17B37, 57M27

description: These are the lecture notes for a short course on tensor categories. The coverage in these notes is relatively non-technical, focussing on the essential ideas. They are meant to be accessible for beginners, but it is hoped that also some of the experts will find something interesting in them. Once the basic definitions are given, the focus is mainly on k-linear categories with finite dimensional hom-spaces. Connections with quantum groups and low dimensional topology are pointed out, but these notes have no pretension to cover the latter subjects at any depth. Essentially, these notes should be considered as annotations to the extensive bibliography.
description: 57 pages. Notes for a three-hour lecture course. Extensively revised, updated and extended. To appear in Revista de la Uni\'on Matem\'atica Argentina
January : Data Analytics for Smart Cities Part 2
Creators: Qi Hong Lai
Neethu Elizabeth Simon
Samantha Coyle
Pao-Ann Hsiung
John A
Sapdo Utomo
GuoHao Jiang
ChunHao Chang
Miltiadis "Miltos" Alamaniotis
Adarsh Rouniyar
Publisher: name: IEEE
Year: 2023

Newsletter
This is the second issue of "Data Analytics for Smart Cities" featuring a foreward by Qi Hong Li, "Data Analytics Using Open Source Tools for a Smart City Situational Awareness Solution at the Edge", "Trustworthy AI and Federated Learning for Sustainable Smart Cities", "The Vision of Smart Cities as a Means for Implementing Smart Nuclear Security", and "Green Federated Learning: Optimized Communication Costs for Smart City Applications".
Quantum PUF for Security and Trust in Quantum Computing
Creators: name: Phalak, Koustubh
name: Ash-Saki, Abdullah
name: Alam, Mahabubul
name: Topaloglu, Rasit Onur
name: Ghosh, Swaroop
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum computing is a promising paradigm to solve computationally intractable problems. Various companies such as, IBM, Rigetti and D-Wave offer quantum computers using a cloud-based platform that possess several interesting features. These factors motivate a new threat model. To mitigate this threat, we propose two flavors of QuPUF: one based on superposition, and another based on decoherence. Experiments on real IBM quantum hardware show that the proposed QuPUF can achieve inter-die Hamming Distance(HD) of 55% and intra-HD as low as 4%, as compared to ideal cases of 50% and 0% respectively. The proposed QuPUFs can also be used as a standalone solution for any other application.
description: 10 pages, 8 figures
The operational meaning of min- and max-entropy
Creators: name: Koenig, Robert
name: Renner, Renato
name: Schaffner, Christian
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We show that the conditional min-entropy Hmin(A|B) of a bipartite state rho_AB is directly related to the maximum achievable overlap with a maximally entangled state if only local actions on the B-part of rho_AB are allowed. In the special case where A is classical, this overlap corresponds to the probability of guessing A given B. In a similar vein, we connect the conditional max-entropy Hmax(A|B) to the maximum fidelity of rho_AB with a product state that is completely mixed on A. In the case where A is classical, this corresponds to the security of A when used as a secret key in the presence of an adversary holding B. Because min- and max-entropies are known to characterize information-processing tasks such as randomness extraction and state merging, our results establish a direct connection between these tasks and basic operational problems. For example, they imply that the (logarithm of the) probability of guessing A given B is a lower bound on the number of uniform secret bits that can be extracted from A relative to an adversary holding B.
description: 12 pages, v2: no change in content, some typos corrected (including the definition of fidelity in footnote 8), now closer to the published version
Gravitoviscous protoplanetary disks with a dust component. V. The dynamic model for freeze-out and sublimation of volatiles
Creators: name: Molyarova, Tamara
name: Vorobyov, Eduard I.
name: Akimkin, Vitaly
name: Skliarevskii, Aleksandr
name: Wiebe, Dmitri
name: Güdel, Manuel
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The snowlines of various volatile species in protoplanetary disks are associated with abrupt changes in gas composition and dust physical properties. Volatiles may affect dust growth, as they cover grains with icy mantles that can change the fragmentation velocity of the grains. In turn, dust coagulation, fragmentation, and drift through the gas disk can contribute to the redistribution of volatiles between the ice and gas phases. Here we present the hydrodynamic model FEOSAD for protoplanetary disks with two dust populations and volatile dynamics. We compute the spatial distributions of major volatile molecules (H$_2$O, CO$_2$, CH$_4$, and CO) in the gas, on small and grown dust, and analyze the composition of icy mantles over the initial 0.5 Myr of disk evolution. We show that most of ice arrives to the grown dust through coagulation with small grains. Spiral structures and dust rings forming in the disk, as well as photodissociation in the outer regions, lead to the formation of complex snowline shapes and multiple snowlines for each volatile species. During the considered disk evolution, the snowlines shift closer to the star, with their final position being a factor $4-5$ smaller than that at the disk formation epoch. We demonstrate that volatiles tend to collect in the vicinity of their snowlines, both in the ice and gas phases, leading to the formation of thick icy mantles potentially important for dust dynamics. The dust size is affected by a lower fragmentation velocity of bare grains in the model with a higher turbulent viscosity.
description: 28 pages, 14 figures, accepted to ApJ
Best Papers from IEEE Transactions on Powers Systems (Slides)
Creators: Nikos Hatziargyriou
Publisher: name: IEEE
Year: 2021

The TPWRS Editorial Board selects the best transaction papers published during the past three years. The following papers have been recognized in the period 2018-2020. In this Best TPWRS Paper Award Ceremony, the Editor in Chief of the TPWRS will officially announce the best papers and present the award certificate to the awardees. The awardees are also invited to present their outstanding papers.
The TPWRS Editorial Board selects the best transaction papers published during the past three years. The following papers have been recognized in the period 2018-2020. In this Best TPWRS Paper Award Ceremony, the Editor in Chief of the TPWRS will officially announce the best papers and present the award certificate to the awardees. The awardees are also invited to present their outstanding papers.
Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum
Creators: name: Zurlo, N.
name: Amoretti, M.
name: Amsler, C.
name: Bonomi, G.
name: Carraro, C.
name: Cesar, C. L.
name: Charlton, M.
name: Doser, M.
name: Fontana, A.
name: Funakoshi, R.
name: Genova, P.
name: Hayano, R. S.
name: Jorgensen, L. V.
name: Kellerbauer, A.
name: Lagomarsino, V.
name: Landua, R.
name: Rizzini, E. Lodi
name: Macrì, M.
name: Madsen, N.
name: Manuzio, G.
name: Mitchard, D.
name: Montagna, P.
name: Posada, L. G.
name: Pruys, H.
name: Regenfus, C.
name: Rotondi, A.
name: Testera, G.
name: Van der Werf, D. P.
name: Variola, A.
name: Venturelli, L.
name: Yamazaki, Y.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We present evidence showing how antiprotonic hydrogen, the quasistable antiproton-proton (pbar-p) bound system, has been synthesized following the interaction of antiprotons with the hydrogen molecular ion (H2+) in a nested Penning trap environment. From a careful analysis of the spatial distributions of antiproton annihilation events, evidence is presented for antiprotonic hydrogen production with sub-eV kinetic energies in states around n=70, and with low angular momenta. The slow antiprotonic hydrogen may be studied using laser spectroscopic techniques.
description: 5 pages with 4 figures. Published as Phys. Rev. Letters 97, 153401 (2006), in slightly different form