cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Observational scalings testing modified gravity
Creators: name: Amekhyan, A.
name: Sargsyan, S.
name: Stepanian, A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We consider different observational effects to test modified gravity approach involving the cosmological constant in the common description of the dark matter and the dark energy. We obtain upper limits for the cosmological constant by studying the scaling relations for 12 nearby galaxy clusters, the radiated power from gravitational waves and the Tully-Fisher relation for super spiral galaxies. Our estimations reveal that, for all these cases the upper limits for $Λ$ are consistent with its actual value predicted by the cosmological observations.
description: 9 pages; Research in Astronomy and Astrophysics (in press)
Additional file 3 of Authoritative subspecies diagnosis tool for European honey bees based on ancestry informative SNPs
Creators: name: Momeni, Jamal
name: Parejo, Melanie
name: Nielsen, Rasmus O.
name: Langa, Jorge
name: Iratxe Montes
name: Papoutsis, Laetitia
name: Farajzadeh, Leila
name: Bendixen, Christian
name: Căuia, Eliza
name: Jean-Daniel Charrière
name: Coffey, Mary F.
name: Costa, Cecilia
name: Dall’Olio, Raffaele
name: Rúa, Pilar De La
name: M. Maja Drazic
name: Filipi, Janja
name: Galea, Thomas
name: Golubovski, Miroljub
name: Ales Gregorc
name: Grigoryan, Karina
name: Hatjina, Fani
name: Ilyasov, Rustem
name: Ivanova, Evgeniya
name: Janashia, Irakli
name: Kandemir, Irfan
name: Karatasou, Aikaterini
name: Kekecoglu, Meral
name: Kezic, Nikola
name: Enikö Sz. Matray
name: Mifsud, David
name: Moosbeckhofer, Rudolf
name: Nikolenko, Alexei G.
name: Papachristoforou, Alexandros
name: Petrov, Plamen
name: M. Alice Pinto
name: Poskryakov, Aleksandr V.
name: Aglyam Y. Sharipov
name: Siceanu, Adrian
name: M. Ihsan Soysal
name: Uzunov, Aleksandar
name: Zammit-Mangion, Marion
name: Vingborg, Rikke
name: Bouga, Maria
name: Kryger, Per
name: Meixner, Marina D.
name: Estonba, Andone
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 3: Figure S1. PCA-Plots with the PCA-selected SNPs and 100 simulated individuals based on allele frequencies of the pools. (A) Using 300 SNPs, the evolutionary lineages M, C and O were well separated with the first two PCs, while lineage A can be differentiated with the third component (not shown). (B) Within the M-lineage, harboring only two European subspecies (A. m. mellifera and A. m. iberiensis), the first PC using 200 SNPs already contributes sufficient information. (C) In the O-lineage, four subspecies are represented that are separated with 600 SNPs using 4 PCs. (D) For lineage C that contains numerous subspecies (subspecies complex), 1100 SNPs were selected to obtain a better resolution.
Perfect excitation of a matter qubit by a single photon in free space
Creators: name: Stobińska, Magdalena
name: Alber, Gernot
name: Leuchs, Gerd
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a scheme for perfect excitation of a single two-level atom by a single photon in free space. The photon state has to match the time reversed photon state originating from spontaneous decay of a two-level system. We discuss its experimental preparation. The state is characterized by a particular asymmetric exponentially-shaped temporal profile. Any deviations from this ideal state limit the maximum absorption. Although perfect excitation requires an infinite amount of time we demonstrate that there is a class of initial one-photon quantum states which can achieve almost perfect absorption even for a finite interaction time. Our results pave the way for realizing perfect coupling between flying and stationary qubits in free space thus opening a possibility for building scalable quantum networks.
description: 4 pages, 2 figures
Kinematics of deformable media
Creators: name: Dasgupta, Anirvan
name: Nandan, Hemwati
name: Kar, Sayan
Publisher: name: arXiv
Year: 2007
Subjects: subject: Classical Physics (physics.class-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the kinematics of deformations in two and three dimensional media by explicitly solving (analytically) the evolution equations (Raychaudhuri equations) for the expansion, shear and rotation associated with the deformations. The analytical solutions allow us to study the dependence of the kinematical quantities on initial conditions. In particular, we are able to identify regions of the space of initial conditions that lead to a singularity in finite time. Some generic features of the deformations are also discussed in detail. We conclude by indicating the feasibility and utility of a similar exercise for fluid and geodesic flows in flat and curved spacetimes.
description: 28 pages, 12 figures
Fundamental parameters of the massive eclipsing binary HM1 8
Creators: name: Rodríguez, Cinthya N.
name: Ferrero, Gabriel A.
name: Benvenuto, Omar G.
name: Gamen, Roberto
name: Morrell, Nidia I.
name: Barbá, Rodolfo H.
name: Arias, Julia
name: Massey, Phillip
Publisher: name: arXiv
Year: 2021
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present a comprehensive study of the massive binary system HM1~8, based on multi-epoch high resolution spectroscopy, $V$-band photometry and archival X-ray data. Spectra from the OWN Survey, a high resolution optical monitoring of Southern O and WN stars, are used to analyse the spectral morphology and perform quantitative spectroscopic analysis of both stellar components. The primary and secondary components are classified as O4.5~IV(f) and O9.7~V, respectively. From a radial-velocity (RV) study we derived a set of orbital parameters for the system. We found an eccentric orbit ($e=0.14 \pm 0.01$) with a period of $P = 5.87820 \pm 0.00008$~days. Through the simultaneous analysis of the RVs and the $V$-band light curve we derived an orbital inclination of $70.0^{\circ} \pm 2.0$ and stellar masses of $M_a=33.6^{+1.4}_{-1.2}~\text{M}_{\sun}$ for the primary, and $M_b=17.7^{+0.5}_{-0.7}~\text{M}_{\sun}$ for the secondary. The components show projected rotational velocities $v_1\sin{i}=105 \pm 14~\text{km~s}^{-1}$ and $v_2\sin{i}=82 \pm 15~\text{km~s}^{-1}$, respectively. A tidal evolution analysis is also performed and found to be in agreement with the orbital characteristics. Finally, the available X-ray observations show no evidence of a colliding winds region, therefore the X-ray emission is attributed to stellar winds.
description: 15 pages, 15 figures, to be published in MNRAS
Patch vs. Global Image-Based Unsupervised Anomaly Detection in MR Brain Scans of Early Parkinsonian Patients
Creators: name: Muñoz-Ramírez, Verónica
name: Pinon, Nicolas
name: Forbes, Florence
name: Lartizen, Carole
name: Dojat, Michel
Publisher: name: arXiv
Year: 2021
Subjects: subject: Image and Video Processing (eess.IV)
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: Although neural networks have proven very successful in a number of medical image analysis applications, their use remains difficult when targeting subtle tasks such as the identification of barely visible brain lesions, especially given the lack of annotated datasets. Good candidate approaches are patch-based unsupervised pipelines which have both the advantage to increase the number of input data and to capture local and fine anomaly patterns distributed in the image, while potential inconveniences are the loss of global structural information. We illustrate this trade-off on Parkinson's disease (PD) anomaly detection comparing the performance of two anomaly detection models based on a spatial auto-encoder (AE) and an adaptation of a patch-fed siamese auto-encoder (SAE). On average, the SAE model performs better, showing that patches may indeed be advantageous.
Introduction
Creators: name: Pousin, Frédéric
name: Roseau, Nathalie
Publisher: name: Collectif Inventer le Grand Paris
Year: 2018

description: L'entrée du paysage Appréhender l’histoire de l’aménagement du Grand Paris par l’entrée du paysage suscite plusieurs remarques. Tout d’abord, il convient de s’interroger sur la rencontre d’une thématique dont on sait qu’elle a nourri l’aménagement et la gestion des grands domaines nobiliaires, essentiellement agricoles, qu’elle a été associée à l’essor du tourisme et aux pratiques de villégiature, puis à la fin du XIXème siècle aux mouvements de défense et de protection contre les effets de l’industrialisation et de la croissance urbaine. Ensuite, penser en termes de paysage suppose de saisir l’espace dans sa continuité, d’articuler bâti et non bâti, de...
Concentration, Spin and Shape of Dark Matter Haloes as a Function of the Cosmological Model: WMAP1, WMAP3 and WMAP5 results
Creators: name: Maccio', Andrea V.
name: Dutton, Aaron A.
name: Bosch, Frank C. van den
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the effects of changes in the cosmological parameters between the WMAP 1st, 3rd, and 5th year results on the structure of dark matter haloes. We use a set of simulations that cover 5 decades in halo mass ranging from the scales of dwarf galaxies (V_c ~30 km/s) to clusters of galaxies (V_c ~ 1000 km/s). We find that the concentration mass relation is a power law in all three cosmologies. However the slope is shallower and the zero point is lower moving from WMAP1 to WMAP5 to WMAP3. For haloes of mass log(M_200/Msun) = 10, 12, and 14 the differences in the concentration parameter between WMAP1 and WMAP3 are a factor of 1.55, 1.41, and 1.29, respectively. As we show, this brings the central densities of dark matter haloes in good agreement with the central densities of dwarf and low surface brightness galaxies inferred from their rotation curves, for both the WMAP3 and WMAP5 cosmologies. We also show that none of the existing toy models for the concentration-mass relation can reproduce our simulation results over the entire range of masses probed. In particular, the model of Bullock et al (B01) fails at the higher mass end (M > 1e13 Msun), while the NFW model of Navarro, Frenk & White (1997) fails dramatically at the low mass end (M < 1e12 Msun). We present a new model, based on a simple modification of that of B01, which reproduces the concentration-mass relations in our simulations over the entire range of masses probed (1e10 Msun < M < 1e15 Msun). Haloes in the WMAP3 cosmology (at a fixed mass) are more flatted compared to the WMAP1 cosmology, with a medium to long axis ration reduced by ~10 %. Finally, we show that the distribution of halo spin parameters is the same for all three cosmologies.
description: 16 pages, 16 figures, references updated, minor changes. Accepted for publication on MNRAS. WMAP5 simulations available upon request
Analysis of physician licensure provisions contained in the Health Security Act
Creators: name: Dunn, Sandra Defoe
Publisher: name: University of British Columbia
Year: 2010

description: This study examines the implications of, and health interest groups responses to federally developed national standards for physician licensure, contained in the proposed Health Security Act (HSA). The Act was introduced into the United States Congress in 1975 by Senator Kennedy and Congressman Corman. While the legislation was withdrawn from Congressional consideration in 1979, it was unique, offering a comprehensive range of health services to the public with significant implications for changes in the way health care would be delivered and paid for. The Act's physician licensure provisions were a significant attempt to divest states and health interest groups of their control over health manpower (e.g. determination of minimum competency levels, supply levels, and restrictions on services offered by other health professionals.) The study critiques the Act's physician licensure provisions in a number of ways: it reviews the past and current structures and processes for determining physician licensure; analyzes the interplay between medical interest groups in assuring quality medical care; details the Act's physician licensure provisions; surveys health interest groups concerning their perceptions on physician licensure and the Act's proposed licensure provisions; and, concludes with reasons why the Act failed as well as alternative approaches it could have taken.
ปัจจัยทีมีความสัมพันธ์กับผลสัมฤทธิ์ทางการเรียนในวิชาระเบียบวิธีวิจัยของนักศึกษาสถาบันเทคโนโนโลยีราชมงคลพระนคร วิทยาเขตโชติเวช
Creators: name: ทรงสิริ  วิชิรานนท์
Publisher: name: มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร
Year: 2007
Subjects: ปัจจัยที่มีความสัมพันธ์ต่อผลสัมฤธิ์

description: 1, 1, วารสารวิชาการและวิจัย มทร.พระนคร
Detection and Bulk Properties of the HR 8799 Planets with High Resolution Spectroscopy
Creators: name: Wang, Jason J.
name: Ruffio, Jean-Baptiste
name: Morris, Evan
name: Delorme, Jacques-Robert
name: Jovanovic, Nemanja
name: Pezzato, Jacklyn
name: Echeverri, Daniel
name: Finnerty, Luke
name: Hood, Callie
name: Zanazzi, J. J.
name: Bryan, Marta L.
name: Bond, Charlotte Z.
name: Cetre, Sylvain
name: Martin, Emily C.
name: Mawet, Dimitri
name: Skemer, Andy
name: Baker, Ashley
name: Xuan, Jerry W.
name: Wallace, J. Kent
name: Wang, Ji
name: Bartos, Randall
name: Blake, Geoffrey A.
name: Boden, Andy
name: Buzard, Cam
name: Calvin, Benjamin
name: Chun, Mark
name: Doppmann, Greg
name: Dupuy, Trent J.
name: Duchêne, Gaspard
name: Feng, Y. Katherina
name: Fitzgerald, Michael P.
name: Fortney, Jonathan
name: Freedman, Richard S.
name: Knutson, Heather
name: Konopacky, Quinn
name: Lilley, Scott
name: Liu, Michael C.
name: Lopez, Ronald
name: Lupu, Roxana
name: Marley, Mark S.
name: Meshkat, Tiffany
name: Miles, Brittany
name: Millar-Blanchaer, Maxwell
name: Ragland, Sam
name: Roy, Arpita
name: Ruane, Garreth
name: Sappey, Ben
name: Schofield, Tobias
name: Weiss, Lauren
name: Wetherell, Edward
name: Wizinowich, Peter
name: Ygouf, Marie
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Using the Keck Planet Imager and Characterizer (KPIC), we obtained high-resolution (R$\sim$35,000) $K$-band spectra of the four planets orbiting HR 8799. We clearly detected \water{} and CO in the atmospheres of HR 8799 c, d, and e, and tentatively detected a combination of CO and \water{} in b. These are the most challenging directly imaged exoplanets that have been observed at high spectral resolution to date when considering both their angular separations and flux ratios. We developed a forward modeling framework that allows us to jointly fit the spectra of the planets and the diffracted starlight simultaneously in a likelihood-based approach and obtained posterior probabilities on their effective temperatures, surface gravities, radial velocities, and spins. We measured $v\sin(i)$ values of $10.1^{+2.8}_{-2.7}$~km/s for HR 8799 d and $15.0^{+2.3}_{-2.6}$~km/s for HR 8799 e, and placed an upper limit of $< 14$~km/s of HR 8799 c. Under two different assumptions of their obliquities, we found tentative evidence that rotation velocity is anti-correlated with companion mass, which could indicate that magnetic braking with a circumplanetary disk at early times is less efficient at spinning down lower mass planets.
description: 31 pages, 12 figures, Accepted to AJ
Failure of immune checkpoint inhibitors for microsatellite instability-positive pancreatic adenocarcinoma with atypical pattern of short tandem repeat mutation
Creators: name: Babayan, Anna
name: Ledin, Evgeny
name: Lebedeva, Alexandra
name: Kuznetsova, Olesya
name: Kravchuk, Daria
name: Grigoreva, Tatiana
name: Belova, Ekaterina
name: Kavun, Alexandra
name: Mileyko, Vladislav
name: Tryakin, Alexey
name: Fedyanin, Mikhail
name: Ivanov, Maxim
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: Chemical Sciences not elsewhere classified
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified
subject: Information Systems not elsewhere classified
subject: Cancer

description: Microsatellite instability (MSI) is an important biomarker in cancer. While routine methods can detect MSI in certain tumor types, in other tumor types the results may be incorrect due to differences in the MSI loci pattern. Here, we report the case of a patient with pancreatic adenocarcinoma, with confirmed MSI by two independent next-generation sequencing tests, but not by routine methods, who had progression on pembrolizumab. Comparison of the patient’s MSI loci patterns with MSI+ colorectal adenocarcinoma samples showed a lower fraction of unstable loci, low resolution of a second peak in the repeat length spectrum of unstable short tandem repeats in the patient's sample, and a lower length of indels (3.7 vs 4.5 base pairs, p < 0.01). Microsatellite instability (MSI) is typically evaluated to select patients who will most likely benefit from the treatments to make immune system work better (immunotherapy). MSI is difficult to identify in cancer, because its patterns can vary in different tumors. In this article, we describe a case of a pancreatic cancer patient whose tumor, although MSI-positive, did not respond to immunotherapy. We conclude that this can be because the MSI pattern was different from those typically observed in other cancers. Microsatellite instability (MSI) has become an important biomarker for selecting patients who will likely benefit from immune checkpoint inhibitor therapy. We describe a clinical case of a pancreatic cancer patient, whose tumor exhibited MSI according to the results of whole exome sequencing and panel-based NGS. Despite therapy with pembrolizumab, the patient’s tumor eventually progressed. We compared the patterns of MSI short tandem repeats observed in the patient’s tumor with the archival MSI-positive colorectal cancer samples. The short tandem repeats that were unstable across the archival colorectal cancer samples were characterized by a higher resolution of the second peak in the spectrum of repeat length observed in sequenced DNA fragments with lower fraction of unresolved second peaks.
เทคโนโลยีแปรผันกำลังอัดต่อเนื่อง พร้อมแล้วสำหรับเครื่องยนต์ยุคต่อไป
Creators: name: นนทวัจน์  เจนภูมิศาสตร์
Publisher: name: มหาวิทยาลัยกรุงเทพ
Year: 2013
Subjects: เครื่องยนต์แปรผันกำลังอัดต่อเนื่อง

description: 1, 7, วารสารวิชาการและวิจัย มทร.พระนคร
Combinatorics of labelling in higher dimensional automata
Creators: name: Gaucher, Philippe
Publisher: name: arXiv
Year: 2008
Subjects: subject: Algebraic Topology (math.AT)
subject: Category Theory (math.CT)
subject: FOS: Mathematics
subject: 18F20, 18A25, 18A40, 68Q85

description: The main idea for interpreting concurrent processes as labelled precubical sets is that a given set of n actions running concurrently must be assembled to a labelled n-cube, in exactly one way. The main ingredient is the non-functorial construction called labelled directed coskeleton. It is defined as a subobject of the labelled coskeleton, the latter coinciding in the unlabelled case with the right adjoint to the truncation functor. This non-functorial construction is necessary since the labelled coskeleton functor of the category of labelled precubical sets does not fulfil the above requirement. We prove in this paper that it is possible to force the labelled coskeleton functor to be well-behaved by working with labelled transverse symmetric precubical sets. Moreover, we prove that this solution is the only one. A transverse symmetric precubical set is a precubical set equipped with symmetry maps and with a new kind of degeneracy map called transverse degeneracy. Finally, we also prove that the two settings are equivalent from a directed algebraic topological viewpoint. To illustrate, a new semantics of CCS, equivalent to the old one, is given.
description: 47 pages, LaTeX2e, no figures
Spiral model, jamming percolation and glass-jamming transitions
Creators: name: Biroli, Giulio
name: Toninelli, Cristina
Publisher: name: arXiv
Year: 2007
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The Spiral Model (SM) corresponds to a new class of kinetically constrained models introduced in joint works with D.S. Fisher [8,9]. They provide the first example of finite dimensional models with an ideal glass-jamming transition. This is due to an underlying jamming percolation transition which has unconventional features: it is discontinuous (i.e. the percolating cluster is compact at the transition) and the typical size of the clusters diverges faster than any power law, leading to a Vogel-Fulcher-like divergence of the relaxation time. Here we present a detailed physical analysis of SM, see [5] for rigorous proofs. We also show that our arguments for SM does not need any modification contrary to recent claims of Jeng and Schwarz [10].
description: 9 pages, 7 figures, proceedings for StatPhys23
The Number of Optimal Strategies in the Penney-Ante Game
Creators: name: Phillips, Reed
name: Hildebrand, A. J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: FOS: Mathematics
subject: 91A60 (Primary) 05A15, 91A05 (Secondary)

description: In the Penney-Ante game, Player I chooses a head/tail string of a predetermined length $n\ge3$. Player II, upon seeing Player I's choice, chooses another head/tail string of the same length. A coin is then tossed repeatedly and the player whose string appears first in the resulting head/tail sequence wins the game. The Penney-Ante game has gained notoriety as a source of counterintuitive probabilities and nontransitivity phenomena. For example, Player II can always choose a string that beats the choice of Player I in the sense of being more likely to appear first in a random head/tail sequence. It is known that Player II has a unique optimal strategy that maximizes her winning chances in this game. On the other hand, for Player I there exist multiple equivalent optimal strategies. In this paper we investigate the number, $c_n$, of optimal strategies for Player I, i.e., the number of head/tail strings of length $n$ that maximize the winning probability for Player I assuming optimal play by Player II. We derive a recurrence relation for $c_n$ and use this to obtain a sharp asymptotic estimate for $c_n$. In particular, we show that, as $n\to\infty$, a fixed proportion $α\approx 0.04062\dots$ of the $2^n$ head/tail strings of length $n$ are optimal from Player I's perspective.
Additional file 4 of Authoritative subspecies diagnosis tool for European honey bees based on ancestry informative SNPs
Creators: name: Momeni, Jamal
name: Parejo, Melanie
name: Nielsen, Rasmus O.
name: Langa, Jorge
name: Iratxe Montes
name: Papoutsis, Laetitia
name: Farajzadeh, Leila
name: Bendixen, Christian
name: Căuia, Eliza
name: Jean-Daniel Charrière
name: Coffey, Mary F.
name: Costa, Cecilia
name: Dall’Olio, Raffaele
name: Rúa, Pilar De La
name: M. Maja Drazic
name: Filipi, Janja
name: Galea, Thomas
name: Golubovski, Miroljub
name: Ales Gregorc
name: Grigoryan, Karina
name: Hatjina, Fani
name: Ilyasov, Rustem
name: Ivanova, Evgeniya
name: Janashia, Irakli
name: Kandemir, Irfan
name: Karatasou, Aikaterini
name: Kekecoglu, Meral
name: Kezic, Nikola
name: Enikö Sz. Matray
name: Mifsud, David
name: Moosbeckhofer, Rudolf
name: Nikolenko, Alexei G.
name: Papachristoforou, Alexandros
name: Petrov, Plamen
name: M. Alice Pinto
name: Poskryakov, Aleksandr V.
name: Aglyam Y. Sharipov
name: Siceanu, Adrian
name: M. Ihsan Soysal
name: Uzunov, Aleksandar
name: Zammit-Mangion, Marion
name: Vingborg, Rikke
name: Bouga, Maria
name: Kryger, Per
name: Meixner, Marina D.
name: Estonba, Andone
Publisher: name: figshare
Year: 2021
Subjects: subject: Genetics
subject: FOS: Biological sciences

description: Additional file 4: Figure S2. Visualization using a t-SNE manifold plot of the 1988 honey bee samples from the pool sequencing individually genotyped for 4094 SNPs. Samples have been color-coded according to the pool name which represents subspecies and country of origin as listed in Table 1.
Redefining the principles in fitness for purpose and value for money in 21st Century Engineering Education
Creators: name: Fomunyam, Dr. Kehdinga George
Publisher: name: Mangosuthu University of Technology (MUT)
Year: 2021
Subjects: subject: Mechanical Engineering
subject: FOS: Mechanical engineering

description: In the 21st century, redefinition of engineering education (EE) with its principles to fit the purpose and value for money has received a lot of attention globally. With increased demand for scholarly engineers worldwide, African universities are still faced major problem such as dearth of productive engineers with high skill potentials. This may be attributed to shortage of engineering educators, poor funding, and outdated curriculum,; hence the crux of this paper. This paper was guided by Becker’s theory of Human Capital, focusing on investing in human capital through education and training, which will contribute immensely in producing engineers with valuable skills. This paper takes a broad look at the redefinition of principles that fits the purpose and value for money in EE. The specific objectives examine the fitness for purpose and value for money and fostering the quality of EE that will enhance EE, as well as its implications for EE in the 21st century in Africa. Thus to address this gaps, recommendations on total reengineering of EE in areas such as curriculum revision, equipping educators and students with knowledge abilities and skills were suggested
Reliability of P mode event classification using contemporaneous BiSON and GOLF observations
Creators: name: Simoniello, R.
name: Chaplin, W. J.
name: Elsworth, Y. P.
name: Garcia, R. A.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We carried out a comparison of the signals seen in contemporaneous BiSON and GOLF data sets. Both instruments perform Doppler shift velocity measurements in integrated sunlight, although BiSON perform measurements from the two wings of potassium absorption line and GOLF from one wing of the NaD1 line. Discrepancies between the two datasets have been observed. We show,in fact, that the relative power depends on the wing in which GOLF data observes. During the blue wing period, the relative power is much higher than in BiSON datasets, while a good agreement has been observed during the red period.
description: 7 pages, HELAS II: Helioseismology, Asteroseismology, and MHD Connections, conference proceeding
AN ADAPTIVELY SAMPLED PATH PLANNER USING WAYPOINTS: AN ANY-ANGLE VARIANT
Creators: name: Gefen, Yonatan
Publisher: name: Digital Repository at the University of Maryland
Year: 2014
Subjects: subject: Electrical engineering
subject: Artificial intelligence
subject: Any-Angle
subject: Differential Constraints
subject: Discrete Planner
subject: Non-Holonomic
subject: Path Planning

description: This thesis develops a low-cost grid-based path planner that intrinsically supports smooth, curved vehicle dynamics. There are many advantages to grid-based planners, including working natively in the digital space of most sensors, and efficiency in low dimensional space. However, discrete planners create jaggedness in most paths. Further, the dimensionality must be limited for efficiency, usually by limiting vehicle steering angles to a small finite set.

The algorithm presented here, Waypoint-A*, extends A* to produce low-cost curved trajectories, taking the dynamics of the vehicle into account explicitly post-planning. Considering the path generated by A* as composed of a set of waypoints, Waypoint-A* calculates the minimum-cost heading on a continuum, to direct the vehicle to the waypoint at the location resulting in the lowest total cost. Smoothness of these curves is invariant to terrain resolution and computation.
An approximate model for the adhesive contact of rough viscoelastic surfaces
Creators: name: Haiat, Guillaume
name: Barthel, Etienne
Publisher: name: arXiv
Year: 2007
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: Surface roughness is known to easily suppress the adhesion of elastic surfaces. Here a simple model for the contact of \emph{viscoelastic} rough surfaces with significant levels of adhesion is presented. This approach is derived from our previous model [E. Barthel and G. Haiat {\em Langmuir}, 18 9362 2002] for the adhesive contact of viscoelastic spheres. For simplicity a simple loading/unloading history (infinitely fast loading and constant pull-out velocity) is assumed. The model provides approximate analytical expressions for the asperity response and exhibits the full viscoelastic adhesive contact phenomenology such as stress relaxation inside the contact zone and creep at the contact edges. Combining this model with a Greenwood-Williamson statistical modeling of rough surfaces, we propose a quantitative assessment of the adhesion to rough viscoelastic surfaces. We show that moderate viscoelasticity efficiently restores adhesion on rough surfaces over a wide dynamic range.
Idealizations and analogies
Creators: name: Rodriguez, Quentin
Publisher: name: arXiv
Year: 2021
Subjects: subject: History and Philosophy of Physics (physics.hist-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: The "universality" of critical phenomena is much discussed in philosophy of scientific explanation, idealizations and philosophy of physics. Lange and Reutlinger recently opposed Batterman concerning the role of some deliberate distortions in unifying a large class of phenomena, regardless of microscopic constitution. They argue for an essential explanatory role for "commonalities" rather than that of idealizations. Building on Batterman's insight, this article aims to show that assessing the differences between the universality of critical phenomena and two paradigmatic cases of "commonality strategy" - the ideal gas model and the harmonic oscillator model-is necessary to avoid the objections raised by Lange and Reutlinger. Taking these universal explanations as benchmarks for critical phenomena reveals the importance of the different roles played by analogies underlying the use of the models. A special combination of physical and formal analogies allows one to explain the epistemic autonomy of the universality of critical phenomena through an explicative loop.
METHODS TO INCREASE VELOCITY OF MAKEUP AIR FOR ATRIUM SMOKE CONTROL - A CFD STUDY
Creators: name: Pongratz, Christine Anderer
Publisher: name: Digital Repository at the University of Maryland
Year: 2014
Subjects: subject: Mechanical engineering
subject: FOS: Mechanical engineering
subject: Engineering
subject: Atria
subject: Exhaust System
subject: Makeup Air
subject: Smoke Control
subject: Smoke Management

description: NFPA 92 currently restricts the velocity of makeup not exceed 1.0 m/s in atria smoke control systems. This requirement imposes a restriction on atria design due to the need for large area makeup vents. The objective of the research project is to evaluate the effects of velocity and location of makeup airflow on potential design fires within atria using Fire Dynamics Simulator 6.0 (FDS). A series of simulations are developed with fire size, makeup air vent flow velocity, and makeup air vent location as primary variables. The numerical results are analyzed in terms of possible adverse changes on smoke layer depth and fire spread propensity. The analysis is formulated in terms of a simplified engineering design tool, which allows for makeup air to exceed the 1.0 m/s limitation. The design tool proposed determines a modified volumetric exhaust rate for the system configuration, by a factor related to the smoke production increase.
A novel test of missing completely at random: U-statistics-based approach
Creators: name: Aleksić, Danijel
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: Mathematical Sciences not elsewhere classified
subject: Science Policy

description: In this paper, a novel test for testing whether data are missing completely at random is proposed. Asymptotic properties of the test are derived utilizing the theory of non-degenerate U-statistics. It is shown that the novel test statistic coincides with the well-known Little's d2 statistic in the case of a multivariate data that has only one variable susceptible to missingness. Then, the extensive simulation study is conducted to examine the performance of the test in terms of the preservation of type I error and in terms of power. Various underlying distributions, dimensions of the data, sample sizes and alternatives are used. Performance of the Little's MCAR test is used as a benchmark for the comparison. The novel test shows better performance in all of the studied scenarios, better preserving the type I error and having higher empirical powers for every studied alternative.
Dactylogyridae Bychowsky 1933, n. sp.
Creators: name: Belmont-Jégu, Elizabeth
name: Domingues, Marcus Vinicius
name: Martins, Mauricio Laterça
Publisher: name: Zenodo
Year: 2004
Subjects: Biodiversity
Taxonomy
Animalia
Platyhelminthes
Monogenea
Dactylogyridea
Dactylogyridae

description: Dactylogyridae Bychowsky, 1933 Notozothecium janauachensis n. sp.
(Figs. 1–15)
 Synonym: Notozothecium sp. (of Belmont­Jégu, 1996).
 Type­host: Colossoma macropomum (Cuvier, 1818), Characidae, Serrasalminae.
 Site: Gills.
 Type­locality: Lago Janauacá — Rio Solimões, Amazonas, Brazil, 3°25'S, 60°17'W, 1994–1995.
 Other records: Centro de Aqüicultura, Universidade Estadual Paulista, Jaboticabal, State of São Paulo, Brazil, 21°16'S, 48°19'W (1992).
 Specimens deposited: Holotype, INPA 208; 5 paratypes, INPA 209a–e; 4 vouchers MZUSP 5934 a–d; 6 vouchers INPA 447 a–f; 7 vouchers CHIOC 36393 a–g.
 Etymology: The specific name is derived from the type locality, Lago Janauacá.
 Comparative measurements: Table 1.
 from C. macropomum from natural habitats (Amazon basin) and experimental ponds.
 Description: (based on 6 adult specimens). Body fusiform, greatest width near midlength. Tegument with annulations throughout trunk and peduncle. Cephalic lobes moderately developed. Posterior eyes larger than anterior eyes, slightly farther apart than anterior pair; eyes granules elongate; accessory granules absent or few in cephalic and anterior trunk regions. Pharynx spherical to subovate. Peduncle broad. Haptor subhexagonal. Ventral anchor larger than dorsal anchor, robust, roots well developed, heavily truncate superficial root, elongate and evenly curved shaft, short point. Dorsal anchor with elongated superficial root, slightly depressed deep root, slender shaft, short point. Ventral bar robust, with short digitiform anteromedial process, enlarged terminations. Dorsal bar delicate, broadly U­shaped, with enlarged terminations. Hook with truncate erect thumb, delicate point, expanded shank; proximal subunit of shank variable in length; FH loop extending to union of shank subunits Copulatory organ comprising a coil of about one ring; base cone­shaped with sclerotized margin; distal extremity with a long lateral extension pointed, feather­shaped. Articulation process of accessory piece short, wide, uniting with proximal end of distal rod; distal rod slightly sigmoid; broadly hook­shaped subterminal flap, serving as guide for male copulatory organ. Testis subovate; seminal vesicle sigmoid; prostatic reservoirs large, pyriform. Germarium subovate; vagina lightly sclerotized, a delicate tube opening on the dextrodorsal surface of the trunk; seminal receptacle pyriform; vitellaria limited to trunk, absent in regions of reproductive organs. Oviduct, ootype and uterus not observed.
description: Published as part of Belmont-Jégu, Elizabeth, Domingues, Marcus Vinicius & Martins, Mauricio Laterça, 2004, Notozothecium janauachensis n. sp. (Monogenoidea: Dactylogyridae) from wild and cultured tambaqui, Colossoma macropomum (Teleostei: Characidae: Serrasalminae) in Brazil, pp. 1-8 in Zootaxa 736 on pages 3-5, DOI: 10.5281/zenodo.158488
Optimal light storage with full pulse shape control
Creators: name: Novikova, Irina
name: Phillips, Nathaniel B.
name: Gorshkov, Alexey V.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We experimentally demonstrate optimal storage and retrieval of light pulses of arbitrary shape in atomic ensembles. By shaping auxiliary control pulses, we attain efficiencies approaching the fundamental limit and achieve precise retrieval into any predetermined temporal profile. Our techniques, demonstrated in warm Rb vapor, are applicable to a wide range of systems and protocols. As an example, we present their potential application to the creation of optical time-bin qubits and to controlled partial retrieval.
description: 5 pages, 3 figures
Ram Pressure Candidates in UNIONS
Creators: name: Roberts, Ian D.
name: Parker, Laura C.
name: Gwyn, Stephen
name: Hudson, Michael J.
name: Carlberg, Raymond
name: McConnachie, Alan
name: Cuillandre, Jean-Charles
name: Chambers, Kenneth C.
name: Duc, Pierre-Alain
name: Furusawa, Hisanori
name: Gavazzi, Raphael
name: Hill, Vanessa
name: Huber, Mark E.
name: Ibata, Rodrigo
name: Kilbinger, Martin
name: Mei, Simona
name: Mellier, Yannick
name: Miyazaki, Satoshi
name: Oguri, Masamune
name: Wainscoat, Richard J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present a search for disturbed, candidate ram pressure stripping galaxies across more than 50 spectroscopically selected SDSS groups and clusters. Forty-eight ram pressure candidates are visually identified in these systems using high quality UNIONS imaging from the Canada-France Hawaii Telescope, covering ~6200 and ~2800 square degrees in the u- and r-bands respectively. Ram pressure candidates are found in groups and clusters spanning a wide range in halo mass and include ~30 ram pressure candidates in the group regime ($M_h < 10^{14}$). The observed frequency of ram pressure candidates shows substantial scatter with group/cluster mass, but on average is larger in clusters ($M_h > 10^{14}\,M_\odot$) than groups ($M_h < 10^{14}\,M_\odot$) by a factor of ~2. We find that ram pressure candidates are most commonly low-mass galaxies and have enhanced star formation rates relative to star-forming field galaxies. The enhancement in star formation is largely independent of galaxy mass and strongest for galaxies in clusters. As a result of the large survey footprint and excellent image quality from UNIONS, we are able to identify disturbed galaxies, potentially affected by ram pressure stripping, across a wide range of host environment.
description: 12 pages, 9 figures, 1 appendix, accepted for publication in MNRAS
Can Light Signals Travel Faster than c in Nontrivial Vacuua in Flat space-time? Relativistic Causality II
Creators: name: Fearn, Heidi
Publisher: name: arXiv
Year: 2007
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: In this paper we show that the Scharnhorst effect (Vacuum with boundaries or a Casimir type vacuum) cannot be used to generate signals showing measurable faster-than-c speeds. Furthermore, we aim to show that the Scharnhorst effect would violate special relativity, by allowing for a variable speed of light in vacuum, unless one can specify a small invariant length scale. This invariant length scale would be agreed upon by all inertial observers. We hypothesize the approximate scale of the invariant length.
description: 12 pages no figures
The Black Hole Mass and Extreme Orbital Structure in NGC1399
Creators: name: Gebhardt, Karl
name: Lauer, Tod R.
name: Pinkney, Jason
name: Bender, Ralf
name: Richstone, Douglas
name: Aller, Monique
name: Bower, Gary
name: Dressler, Alan
name: Faber, Sandra
name: Filippenko, Alexei
name: Green, Richard
name: Ho, Luis
name: Kormendy, John
name: Siopis, Christos
name: Tremaine, Scott
Publisher: name: arXiv
Year: 2007
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The largest galaxies, and in particular central galaxies in clusters, offer unique insight into understanding the mechanism for the growth of nuclear black holes. We present Hubble Space Telescope kinematics for NGC1399, the central galaxy in Fornax. We find the best-fit model contains a black hole of 5.1 +-0.7 x 10^8 Msun (at a distance of 21.1 Mpc), a factor of over 2 below the correlation of black hole mass and velocity dispersion. We also find a dramatic signature for central tangential anisotropy. The velocity profiles on adjacent sides 0.5" away from the nucleus show strong bimodality, and the central spectrum shows a large drop in the dispersion. Both of these observations point to an orbital distribution that is tangentially biased. The best-fit orbital model suggests a ratio of the tangential to radial internal velocity dispersions of three. This ratio is the largest seen in any galaxy to date and will provide an important measure for the mode by which the central black hole has grown.
description: 9 pages, accepted for publication in the Astrophysical Journal
On local power of likelihood-based tests in von Mises regressions
Creators: name: Lemonte, Artur J.
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Medicine
subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Evolutionary Biology
subject: Environmental Sciences not elsewhere classified
subject: Mathematical Sciences not elsewhere classified

description: The von Mises distribution has played a central role as a distribution on the circle. Its associated circular regression model has been applied in a number of areas. In this paper, we consider the von Mises regression model and, under a sequence of Pitman alternatives, derive the nonnull asymptotic expansions of the cumulative distribution functions of the likelihood ratio, Wald, Rao score, and gradient test statistics for testing a subset of the von Mises regression parameters, as well as for testing the concentration parameter. We then compare analytically the local power of these likelihood-based tests on the basis of the asymptotic expansions and provide conditions where one test can be more locally powerful than the other one in this class of regression models. Consequently, on the basis of the general conditions established, the user can choose the most powerful test to make inferences on the model parameters. We also provide a numerical example to illustrate the usefulness and applicability of the general result.
Tracing the equation of state and the density of cosmological constant along z
Creators: name: Espana-Bonet, Cristina
name: Ruiz-Lapuente, Pilar
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We investigate the equation of state w(z) in a non-parametric form using the latest compilations of distance luminosity from SNe Ia at high z. We combine the inverse problem approach with a Monte Carlo to scan the space of priors. On the light of these high redshift supernova data sets, we reconstruct w(z). A comparison between a sample including the latest results at z>1 and a sample without those results show the improvement achieved by observations of very high z supernovae. We present the prospects to measure the variation of dark energy density along z by this method.
description: 13 pages, 6 figures
The District of Chilliwack : a case study in the political process of decision making
Creators: name: Munn, Enid Lucille
Publisher: name: University of British Columbia
Year: 2010

description: Understanding how government's plan, make decisions and implement policy programmes is of vital concern to the planners who are expected to intervene in society's complex problems and formulate solutions that can be implement ed. A recent model examines political decision making processes and isolates four factors which influence decision outcomes: 1) the roles played by actors in the issue; 2) the nature of the decision making environment; 3) the characteristics of the issue; and 4) the type of planning and intervention strategies used. The model was used as a framework for examining a decision making episode in the District of Chilliwack, which centered around the issue of community growth in an area that had been circumscribed by the Agricultural Land Reserves. The model hypothesized that comprehensive, classical planning methods, which are goal-oriented and focus on long-term horizons, are likely to be rejected in decision making processes. This was confirmed in the Chilliwack case, along with the hypotheses that a proposal for change that is ideologically controversial, inflexible, and difficult to predict in its consequences, will likely be rejected. The fact that the Chilliwack plan was easy to programme and had a limited scope of costs and benefits could not overcome its drawbacks, therefore, these hypotheses were not upheld in the case study. The model's framework provided a useful means of examining and understanding why the particular outcome of the case study occurred. It clarified the inappropriatness of methods and means used by the Chilliwack decision makers and planners in attempting to achieve their goals. Consequently, the study points out that planners need new approaches, skills and knowledge in order to achieve socially acceptable and workable solutions to complex societal problems.
Embedding Brans-Dicke gravity into electroweak theory
Creators: name: Chernodub, M. N.
name: Niemi, Antti J.
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We argue that a version of the four dimensional Brans-Dicke theory can be embedded in the standard flat spacetime electroweak theory. The embedding involves a change of variables that separates the isospin from the hypercharge in the electroweak theory.
description: 4 pages, no figures; replaced to match published version