cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Physiological response to challenge tests in six stocks of coho salmon Oncorhynchus kisutch
Creators: name: McGeer, James C.
Publisher: name: University of British Columbia
Year: 2010

description: Coho salmon (Oncorhynchus kisutch) from six hatcheries operated by the Canadian Department of Fisheries and Oceans Salmonid Enhancement Project, were reared in a common facility and then subjected to a series of standardized challenge tests. Results suggest that there are genetically based differences in the response to stressful challenges among stocks of coho salmon from southern British Columbia. The challenge tests were: saltwater (30ppt); saltwater and an increase in temperature (30ppt and 4°C); high pH (9.4 and 10.0); low pH (3.55, 3.65, 3.75 and 4.1); thermal tolerance (1°C/h); and handling (30s netting). The measured parameters were plasma sodium and chloride ion concentrations for the saline and pH challenges, time to dysfunction in the thermal tolerance challenge and plasma glucose concentration in the handling challenge. No differences among stocks were found in responses to the high pH and thermal tolerance challenges. The Chehalis River stock had the smallest plasma ion increase in salt water but showed the largest plasma ion decrease in acidic waters. In some of the low pH challenges the Tenderfoot Creek stock showed less plasma ion loss than other stocks. The stock from Eagle River had the lowest plasma glucose concentration increase during handling challenges. The combined saltwater and temperature increase challenge demonstrated the cumulative effect that stressors can have. Sampling associated with the handling challenges revealed a diurnal fluctuation in resting plasma glucose concentrations. The low pH and handling challenges showed that stock performance and the magnitude of the response observed varied with rearing conditions. Although there was some variation in the magnitude of the stock response to challenges between the two rearing conditions used, differences among stocks were consistent. When the response to all challenges were assembled into a relative challenge response profile (or performance profile), each stock was unique.
Nuclear superfluidity at finite temperature
Creators: name: Litvinova, Elena
name: Schuck, Peter
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The equation of motion for the two-fermion two-time correlation function in the pairing channel is considered at finite temperature. Within the Matsubara formalism, the Dyson-type Bethe-Salpeter equation (Dyson-BSE) with the frequency-dependent interaction kernel is obtained. Similarly to the case of zero temperature, it is decomposed into the static and dynamical components, where the former is given by the contraction of the bare interaction with the two-fermion density and the latter is represented by the double contraction of the four-fermion two-time correlation function, or propagator, with two interaction matrix elements. The dynamical kernel with the four-body propagator, being formally exact, requires approximations to avoid generating prohibitively complicated hierarchy of equations. We focus on the approximation where the dynamical interaction kernel is truncated on the level of two-body correlation functions, neglecting the irreducible three-body and higher-rank correlations. Such a truncation leads to the dynamical kernel with the coupling between correlated fermionic pairs, which can be interpreted as emergent bosonic quasibound states, or phonons, of normal and superfluid nature. The latter ones are, thus, the mediators of the dynamical superfluid pairing. In this framework, we obtained the closed system of equations for the fermionic particle-hole and particle-particle propagators. This allows us to study the temperature dependence of the pairing gap beyond the Bardeen-Cooper-Schrieffer approximation, that is implemented for medium-heavy nuclear systems. The cases of 68Ni and 44,46Ca are discussed in detail.
description: Article: 11 pages, 5 figures
Amidst the Online Learning Modality: The Usage of Learning Management System (LMS) and Its Relationship to the Academic Performance of the Filipino Students
Creators: name: Tus, Jhoselle
Publisher: name: figshare
Year: 2021
Subjects: subject: Developmental and Educational Psychology
subject: 130306 Educational Technology and Computing
subject: FOS: Educational sciences
subject: 130305 Educational Counselling
subject: 170103 Educational Psychology
subject: FOS: Psychology
subject: 130106 Secondary Education
subject: 130101 Continuing and Community Education
subject: Education
subject: 139999 Education not elsewhere classified
subject: 130102 Early Childhood Education (excl. Maori)

description: To increase student performance and learning, today's technology-driven society and academic institutions embrace Information and Communication Technologies (ICTs), leveraging learning management systems (LMS), and adopting blended learning methodologies. Thus, this study investigates the relationship between the usage of a learning management system and academic performance among 188 Filipino senior high school students. Based on the Pearson correlation coefficient, there was no relationship between LMS usage and the students' academic performance.
Asymptotics of flat, radiation universes in quadratic gravity
Creators: name: Cotsakis, Spiros
name: Tsokaros, Antonios
Publisher: name: arXiv
Year: 2007
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider the asymptotics of flat, radiation-dominated isotropic universes in four-dimensional theories with quadratic curvature corrections which may arise when contributions related to the string parameter $α'$ are switched on. We show that all such universes are singular initially, and calculate all early time asymptotics using the method of asymptotic splittings. We also examine the late time asymptotic behaviour of these models and show that there are no solutions which diverge as $e^{t^2}$, the known radiation solution of general relativity is essentially the only late time asymptotic possibility in these models.
description: 9 pages, latex; v2: 10 pages, explanations and two references added, version to appear in Phys. Lett. B
High Capacity Hydrogen Storage on Zirconium decorated γ-graphyne: A systematic first-principles study
Creators: name: Singh, Mukesh
name: Shukla, Alok
name: Chakraborty, Brahmananda
Publisher: name: arXiv
Year: 2023
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: In this work, we investigate the hydrogen-storage properties of Zr-decorated $γ$-graphyne monolayer employing Density Functional Theory (DFT) for green energy storage. We predict that each Zr atom decorated on graphyne sheet (2D) can adsorb up to seven H$_2$ molecules with an average adsorption energy of -0.44 eV/H$_2$, leading to a hydrogen gravimetric density of 7.95 wt%, and desorption temperature of 574 K, particularly suited to fuel-cell applications. Decorated Zr atom strongly attached to graphyne due to charge transfer from Zr to graphyne sheet. Hydrogen molecules adsorb on Zr decorated graphyne with Kubas type of interaction. The 4.05 eV diffusion energy barrier between Zr decorated position, and its neighboring pores may avoid the metal-metal (Zr-Zr) clustering. The stability of Zr+$γ$-graphyne is confirmed by performing ab-initio molecular dynamics simulations at room temperature and at estimated average desorption temperature. Hence, our calculations show Zr functionalized on $γ$-graphyne could be a promising solid-state hydrogen storage material.
description: 24 pages, 11 figures
Positive Parity Scalar Mesons in the 1-2 GeV Mass Range
Creators: name: Maiani, L.
name: Piccinini, F.
name: Polosa, A. D.
name: Riquer, V.
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Based on the observation that K_0(1430) is lighter than its SU_3 counterpart, a_0(1450), we examine the possibility that these particles, together with f_0(1370), f_0(1500) and f_0(1710), fill a tetraquark recurrence of the sub-GeV 0^{++} nonet mixed with a glueball state. We find the picture to be consistent with the known data about the three f_0 resonances, more than the q-qbar hypothesis. Conventional spin-orbit coupling suggests the q-qbar, P-wave, nonet to lie around 1200 MeV. We review possible experimental indications of a scalar isovector resonance at 1.29 GeV, first observed by OBELIX in p-pbar annihilation.
description: 12 pages, 9 figures. Extended version. References added. Results and conclusions unchanged
Spatio-Temporal Data Mining for Aviation Delay Prediction
Creators: name: Zhang, Kai
name: Jiang, Yushan
name: Liu, Dahai
name: Song, Houbing
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Systems and Control (eess.SY)
subject: FOS: Computer and information sciences
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: To accommodate the unprecedented increase of commercial airlines over the next ten years, the Next Generation Air Transportation System (NextGen) has been implemented in the USA that records large-scale Air Traffic Management (ATM) data to make air travel safer, more efficient, and more economical. A key role of collaborative decision making for air traffic scheduling and airspace resource management is the accurate prediction of flight delay. There has been a lot of attempts to apply data-driven methods such as machine learning to forecast flight delay situation using air traffic data of departures and arrivals. However, most of them omit en-route spatial information of airlines and temporal correlation between serial flights which results in inaccuracy prediction. In this paper, we present a novel aviation delay prediction system based on stacked Long Short-Term Memory (LSTM) networks for commercial flights. The system learns from historical trajectories from automatic dependent surveillance-broadcast (ADS-B) messages and uses the correlative geolocations to collect indispensable features such as climatic elements, air traffic, airspace, and human factors data along posterior routes. These features are integrated and then are fed into our proposed regression model. The latent spatio-temporal patterns of data are abstracted and learned in the LSTM architecture. Compared with previous schemes, our approach is demonstrated to be more robust and accurate for large hub airports.
A Class of Recursive Sets
Creators: name: Smarandache, Florentin
Publisher: name: arXiv
Year: 2006
Subjects: subject: General Mathematics (math.GM)
subject: FOS: Mathematics
subject: 03D25

description: In this article one builds a class of recursive sets, one establishes properties of these sets, and one proposes applications.
description: 7 pages
Testing freeze-in with axial and vector $Z'$ bosons
Creators: name: Cosme, Catarina
name: Dutra, Maíra
name: Godfrey, Stephen
name: Gray, Taylor R.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The freeze-in production of Feebly Interacting Massive Particle (FIMP) dark matter in the early universe is an appealing alternative to the well-known - and constrained - Weakly Interacting Massive Particle (WIMP) paradigm. Although challenging, the phenomenology of FIMP dark matter has been receiving growing attention and is possible in a few scenarios. In this work, we contribute to this endeavor by considering a $Z^\prime$ portal to fermionic dark matter, with the $Z^\prime$ having both vector and axial couplings and a mass ranging from MeV up to PeV. We evaluate the bounds on both freeze-in and freeze-out from direct detection, atomic parity violation, leptonic anomalous magnetic moments, neutrino-electron scattering, collider, and beam dump experiments. We show that FIMPs can already be tested by most of these experiments in a complementary way, whereas WIMPs are especially viable in the $Z^\prime$ low mass regime, in addition to the $Z^\prime$ resonance region. We also discuss the role of the axial couplings of $Z^\prime$ in our results. We therefore hope to motivate specific realizations of this model in the context of FIMPs, as well as searches for these elusive dark matter candidates.
description: v2: Minor corrections, discussion expanded, updated figures, references added. Matches journal version
OT 060420: A Seemingly Optical Transient Recorded by All-Sky Cameras
Creators: name: Shamir, Lior
name: Nemiroff, Robert J.
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We report on a ~5th magnitude flash detected for approximately 10 minutes by two CONCAM all-sky cameras located in Cerro Pachon - Chile and La Palma - Spain. A third all-sky camera, located in Cerro Paranal - Chile did not detect the flash, and therefore the authors of this paper suggest that the flash was a series of cosmic-ray hits, meteors, or satellite glints. Another proposed hypothesis is that the flash was an astronomical transient with variable luminosity. In this paper we discuss bright optical transient detection using fish-eye all-sky monitors, analyze the apparently false-positive optical transient, and propose possible causes to false optical transient detection in all-sky cameras.
description: 7 figures, 3 tables, accepted PASP
Amidst the Online Learning Modality: The Usage of Learning Management System and Its Relationship to the Academic Performance of the Filipino Senior High School Students
Creators: name: Tus, Jhoselle
Publisher: name: figshare
Year: 2021
Subjects: subject: Developmental and Educational Psychology
subject: 130306 Educational Technology and Computing
subject: FOS: Educational sciences
subject: 130305 Educational Counselling
subject: 170103 Educational Psychology
subject: FOS: Psychology
subject: 130106 Secondary Education
subject: 130101 Continuing and Community Education
subject: Education
subject: 139999 Education not elsewhere classified
subject: 130102 Early Childhood Education (excl. Maori)

description: To increase student performance and learning, today's technology-driven society and academic institutions embrace Information and Communication Technologies (ICTs), leveraging learning management systems (LMS), and adopting blended learning methodologies. Thus, this study investigates the relationship between the usage of a learning management system and academic performance among 188 Filipino senior high school students. Based on the Pearson correlation coefficient, there was no relationship between LMS usage and the students' academic performance.
Signatures of a quantum dynamical phase transition in a three-spin system in presence of a spin environment
Creators: name: Alvarez, Gonzalo A.
name: Levstein, Patricia R.
name: Pastawski, Horacio M.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Chemical Physics (physics.chem-ph)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We have observed an environmentally induced quantum dynamical phase transition in the dynamics of a two spin experimental swapping gate [J. Chem. Phys. 124, 194507 (2006)]. There, the exchange of the coupled states |+,-> and ,+> gives an oscillation with a Rabi frecuency b/$\hbar$ (the spins coupling). The interaction, $\hbar$/tSE with a spin-bath degrades the oscillation with a characteristic decoherence time. We showed that the swapping regime is restricted only to b\tSE>$hbar$. However, beyond a critical interaction with the environment the swapping freezes and the system enters to a Quantum Zeno dynamical phase where relaxation decreases as coupling with the environment increases. Here, we solve the quantum dynamics of a two spin system coupled to a spin-bath within a Liouville-von Neumann quantum master equation and we compare the results with our previous work within the Keldysh formalism. Then, we extend the model to a three interacting spin system where only one is coupled to the environment. Beyond a critical interaction the two spins not coupled to the environment oscillate with the bare Rabi frequency and relax more slowly. This effect is more pronounced when the anisotropy of the system-environment interaction goes from a purely XY to an Ising interaction form.
description: 4 pages, 2 figures. To be published in Physica B
Deliverable 7.2 - VREs Interim activity report
Creators: name: Assante, Massimiliano
name: Cardia, Francesco
name: Coro, Gianpaolo
name: Ferrara, Carla
name: Finoia, Maria Grazia
name: Pagano, Pasquale
name: Mangiacrapa, Francesco
name: Petochi, Tommaso
name: Sinibaldi, Fabio
Publisher: name: Zenodo
Year: 2021

description: The first section of this intermediate deliverable describes the context, i.e. PerformFISH Virtual Research Environments (VREs) hosted by an existing e-Infrastructure – D4Science1 [1, 2] – that plays the role of “integration infrastructure”, while the remaining sections report the Virtual Research Environments created and operated in the first 20 months of the project to manage and control the sharing of data collected by scientists as part of selected project activities. A large part of this deliverable describes in detail the software specification implemented to realise the KPI System (i.e. the system supporting KPIs data analysis and benchmarking based on scientific data throughout the Analytical Toolkit for Benchmarking). The KPI System is available as service of the PerformFISH KPIs VRE. Specifically, the applications for providing, validating, processing and analysing the data are described, together with actual screenshots taken from the KPIs VRE. At the time of its release, the deliverable covers the activities in the addressed areas performed in M12-M22 of the project. The project activities cover all effort spent from CNR and ISPRA at developing the Virtual Research Environments supporting KPIs data analysis and benchmarking through the project’s lifetime.
Fermion mass hierarchy and g-2 anomalies in an extended 3HDM Model
Creators: name: Hernández, A. E. Cárcamo
name: Kovalenko, Sergey
name: Maniatis, M.
name: Schmidt, Ivan
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We propose an extension of the three-Higgs-doublet model (3HDM), where the Standard Model (SM) particle content is enlarged by the inclusion of two inert $SU_{2L}$ scalar doublets, three inert and two active electrically neutral gauge singlet scalars, charged vector like fermions and Majorana neutrinos. These additional particles are introduced to generate the SM fermion mass hierarchy from a sequential loop suppression mechanism. In our model the top and exotic fermion masses appear at tree level, whereas the remaining fermions get their masses radiatively. Specifically, bottom, charm, tau and muon masses appear at 1-loop; the masses for the light up, down and strange quarks as well as for the electron at 2-loop and masses for the light active neutrinos at 3-loop. Our model successfully accounts for SM fermion masses and mixings and accommodates the observed Dark Matter relic density, the electron and muon anomalous magnetic moments, as well the constraints arising from charged Lepton Flavor Violating (LFV) processes. The proposed model predicts charged LFV decays within the reach of forthcoming experiments.
description: Matches published version in JHEP
Order Independence in Asynchronous Cellular Automata
Creators: name: Macauley, Matthew
name: McCammond, Jon
name: Mortveit, Henning S.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Dynamical Systems (math.DS)
subject: FOS: Mathematics
subject: 37B99, 68Q80

description: A sequential dynamical system, or SDS, consists of an undirected graph Y, a vertex-indexed list of local functions F_Y, and a permutation pi of the vertex set (or more generally, a word w over the vertex set) that describes the order in which these local functions are to be applied. In this article we investigate the special case where Y is a circular graph with n vertices and all of the local functions are identical. The 256 possible local functions are known as Wolfram rules and the resulting sequential dynamical systems are called finite asynchronous elementary cellular automata, or ACAs, since they resemble classical elementary cellular automata, but with the important distinction that the vertex functions are applied sequentially rather than in parallel. An ACA is said to be pi-independent if the set of periodic states does not depend on the choice of pi, and our main result is that for all n>3 exactly 104 of the 256 Wolfram rules give rise to a pi-independent ACA. In 2005 Hansson, Mortveit and Reidys classified the 11 symmetric Wolfram rules with this property. In addition to reproving and extending this earlier result, our proofs of pi-independence also provide significant insight into the dynamics of these systems.
description: 18 pages. New version distinguishes between functions that are pi-independent but not w-independent
X-ray Constraint on Location of AGN Torus in Circinus Galaxy
Creators: name: Uematsu, Ryosuke
name: Ueda, Yoshihiro
name: Tanimoto, Atsushi
name: Kawamuro, Taiki
name: Setoguchi, Kenta
name: Ogawa, Shoji
name: Yamada, Satoshi
name: Odaka, Hirokazu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The location of the obscuring "torus" in an active galactic nucleus (AGN) is still an unresolved issue. The line widths of X-ray fluorescence lines originated from the torus, particularly Fe K$α$, carry key information on the radii of line emitting regions. Utilizing XCLUMPY (Tanimoto et al. 2019), an X-ray clumpy torus model, we develop a realistic model of emission line profiles from an AGN torus where we take into account line broadening due to the Keplerian motion around the black hole. Then, we apply the updated model to the best available broadband spectra (3-100 keV) of the Circinus galaxy observed with Suzaku, XMM-Newton, Nuclear Spectroscopic Telescope Array (NuSTAR), and Chandra, including 0.62 Ms Chandra/HETG data. We confirm that the torus is Compton-thick (hydrogen column-density along the equatorial plane is $N_\mathrm{H}^\mathrm{Equ}=2.16^{+0.24}_{-0.16}\times 10^{25}\ \mathrm{cm}^{-2}$), geometrically thin (torus angular width $σ=10.3^{+0.7}_{-0.3}\ \mathrm{degrees}$), viewed edge-on (inclination $i=78.3^{+0.4}_{-0.9}\ \mathrm{degrees}$), and has super-solar abundance ($1.52^{+0.04}_{-0.06}$ times solar). Simultaneously analyzing the Chandra/HETG first, second, and third order spectra with consideration of the spatial extent of the Fe K$α$ line emitting region, we constrain the inner radius of the torus to be $1.9^{+3.1}_{-0.8}\times 10^5$ times the gravitational radius, or $1.6^{+1.5}_{-0.9}\times 10^{-2}\ \mathrm{pc}$ for a black hole mass of $(1.7\pm 0.3)\times 10^6\ M_{\odot}$. This is about 3 times smaller than that estimated from the dust sublimation radius, suggesting that the inner side of the dusty region of the torus is composed of dust-free gas.
description: 20 pages, 10 figures, 8 tables, accepted for publication in ApJ
Efficient four-wave mixing in four-subband semiconductor quantum wells using spatially modulated control fields with a linearly varying mixing angle
Creators: name: Stefanatos, Dionisis
name: Avouri, Foteini
name: Paspalakis, Emmanuel
Publisher: name: arXiv
Year: 2023
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: In this article, we use spatially modulated control fields to increase the four-wave mixing efficiency in a four-subband semiconductor asymmetric double quantum well, motivated by similar works in atomic systems. Using a simplified version of the propagation equations, we show analytically that for control fields with constant amplitude and linearly varying mixing angle with the propagation distance, a conversion efficiency close to unity can be achieved even for relatively short propagation distances. Subsequently, we confirm these results by numerically simulating the full set of propagation equations.
Scattering Interference Signature of a Pair Density Wave State in the Cuprate Pseudogap Phase
Creators: name: Wang, Shuqiu
name: Choubey, Peayush
name: Chong, Yi Xue
name: Chen, Weijiong
name: Ren, Wangping
name: Eisaki, H.
name: Uchida, Shin-ichi
name: Hirschfeld, Peter J.
name: Davis, J. C. Séamus
Publisher: name: arXiv
Year: 2021
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: An unidentified quantum fluid designated as the pseudogap (PG) phase is produced by electron-density depletion in the CuO$_2$ antiferromagnetic insulator. Current theories suggest that the PG phase may be a pair density wave (PDW) state characterized by a spatially modulating density of electron pairs. Such a state should exhibit a periodically modulating energy gap $Δ_P(\pmb r)$ in real-space, and a characteristic quasiparticle scattering interference (QPI) signature $Λ_P(\pmb q)$ in wavevector space. By studying strongly underdoped Bi$_2$Sr$_2$CaDyCu$_2$O$_8$ at hole-density ~0.08 in the superconductive phase, we detect the $8a_0$-periodic $Δ_P(\pmb r)$ modulations signifying a PDW coexisting with superconductivity. Then, by visualizing the temperature dependence of this electronic structure from the superconducting into the pseudogap phase, we find evolution of the scattering interference signature $Λ(\pmb q)$ that is predicted specifically for the temperature dependence of an $8a_0$-periodic PDW. These observations are consistent with theory for the transition from a PDW state coexisting with d-wave superconductivity to a pure PDW state in the Bi$_2$Sr$_2$CaDyCu$_2$O$_8$ pseudogap phase.
description: 30 pages, 5 figures and Supplementary Information
Spectrally Simple Zeros of Zeon Polynomials
Creators: name: Staples, G. Stacey
Publisher: name: arXiv
Year: 2021
Subjects: subject: Combinatorics (math.CO)
subject: Rings and Algebras (math.RA)
subject: FOS: Mathematics
subject: 13B25, 05E40, 15A66, 81R05

description: Combinatorial properties of zeons have been applied to graph enumeration problems, graph colorings, routing problems in communication networks, partition-dependent stochastic integrals, and Boolean satisfiability. Power series of elementary zeon functions are naturally reduced to finite sums by virtue of the nilpotent properties of zeons. Further, the zeon extension of any analytic complex function has zeon polynomial representations on associated equivalence classes of zeons. In this paper, zeros of polynomials over complex zeons are considered. Existing results for real zeon polynomials are extended to the complex case and new results are established. In particular, a fundamental theorem of zeon algebra is established for spectrally simple zeros of complex zeon polynomials, and an algorithm is presented that allows one to find spectrally simple zeros when they exist. As an application, inverses of zeon extensions of analytic functions are computed using polynomial methods.
Deliverable 8.5 - Dissemination and Exploitation Plan (Update M36)
Creators: name: Bello Gomez, Emma
Publisher: name: Zenodo
Year: 2020

description: The PerformFISH Dissemination and Exploitation Plan (DEP) has been developed to guide and support the dissemination and exploitation of the PerformFISH project and its results. The DEP was initially developed at application stage and first updated in month 5 and a review was submitted in M18. A new review has now been carried out in month 36. The M36 version mainly includes adjustments informed by the first phase to ensure effectiveness of efforts going forward. It also contains a summary of the activities carried out until M36 and the planned activities for the next period.
 The DEP summarises the rights and obligations in relation to dissemination and exploitation according to the EC rules, describes the means of dissemination and defines the dissemination channels. In addition, the DEP outlines the internal process set up to manage the knowledge outputs and to ensure exploitation of PerformFISH results. The DEP contains a set of protocols to ensure that all relevant knowledge coming out of the project is carefully managed. The protocols are set up to: Disseminate the PerformFISH project and its results, ensuring information provision and awareness rising Collect, analyse and transfer research outputs (e.g. products, methodologies, findings) to end-users who can make best use of those results. The transfer phase ensures that relevant information and knowledge is customized so that it is ready for uptake by different target end-users. Ensure PerformFISH foreground and Intellectual Property (IP) are properly managed PerformFISH will develop and make use of the latest tools, resources and communication channels resulting in cost effectiveness and maximum impact. Overall, Work Package 8 of PerformFISH will ensure effective external communication, dissemination and optimal outreach of PerformFISH results and applications leading to optimal exploitation of its research. The Dissemination and Exploitation Plan has been developed by AquaTT, who are responsible for its coordination. However, all project partners are involved in dissemination and exploitation to foster awareness and transfer results for impact, especially in their own countries and in their own communities.
Load estimation in unsteady flows from sparse pressure measurements: Application of transition networks to experimental data
Creators: name: Iacobello, Giovanni
name: Kaiser, Frieder
name: Rival, David E.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Fluid Dynamics (physics.flu-dyn)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: Inspired by biological swimming and flying with distributed sensing, we propose a data-driven approach for load estimation that relies on complex networks. We exploit sparse, real-time pressure inputs, combined with pre-trained transition networks, to estimate aerodynamic loads in unsteady and highly-separated flows. The transition networks contain the aerodynamic states of the system as nodes along with the underlying dynamics as links. A weighted average-based (WAB) strategy is proposed and tested on realistic experimental data on the flow around an accelerating elliptical plate at various angles-of-attack. Aerodynamic loads are then estimated for angles of attack cases not included in the training dataset so as to simulate the estimation process. An optimization process is also included to account for the system's temporal dynamics. Performance and limitations of the WAB approach are discussed, showing that transition networks can represent a versatile and effective data-driven tool for real-time signal estimation using sparse and noisy signals (such as surface pressure) in realistic flows.
Exploring Multiple Serendipitous Experiences in a First Nations Setting as the Impetus for Meaningful Literacy Development
Creators: name: Van Der Wey, Dolores
Publisher: name: Canadian Journal of Native Education
Year: 2021

description: Based on a series of seemingly serendipitous experiences that occurred for the author, this article argues that such experiences can become events with meaning and provide the impetus for further learning (Dewey, 1925) if the learner develops a reflective practice and recognizes the role and relevance o f learning from experience. As a result of these incidences, van der Wey examines the pedagogical implications for classroom practice. Beginning with a narrative of her experiences on the grounds of the former Kamloops Indian Residential School in British Columbia, the article then details van der Wey's classroom research using qualitative methodology (journal entries, par­ticipant observation, and a focus group interview) involving parents and students that evolved as a result of those experiences. She adds a cautionary note that although experience may well be the foundation of learning, it does not in itself lead to it; there must be active critical engagement with it. The author closes with her argument for the teaching of sensitive First Nations issues in a non-Native classroom and lays out important considerations if a teacher wishes to undertake a similar practice.
description: Canadian Journal of Native Education, Vol. 25 No. 1 (2001)
Coherent multiple scattering of out-of-equilibrium interacting Bose gases
Creators: name: Cherroret, Nicolas
name: Scoquart, Thibault
name: Delande, Dominique
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We review recent theoretical and experimental progresses in the coherent multiple scattering of weakly interacting disordered Bose gases. These systems have allowed, in the recent years, a characterization of weak and strong localization phenomena in disorder at an unprecedented level of control. In this paper, we first discuss the main physical concepts and recent experimental achievements associated with a few emblematic "mesoscopic" effects in disorder like coherent back scattering, coherent forward scattering or mesoscopic echos, focusing on the context of out-of-equilibrium cold-atom setups. We then address the role of weak particle interactions and explain how, depending on their relative strength with respect to the disorder and on the time scales probed, they can give rise to a dephasing mechanism for weak localization, thermalize a non-equilibrium Bose gas or make it become a superfluid.
POSITIVE STEM PRESSURE IN BAMBUSA OLDHAMII: ENVIRONMENTAL RESPONSES, MECHANISMS AND FUNCTIONS
Creators: name: Michaud, Joseph
Publisher: name: Zenodo
Year: 2021
Subjects: vessels
xylem
root pressure
bamboo
water potential
VPD

description: Positive pressure has been observed in the roots, stems, and rhizomes of a large variety of plant species by night, including all bamboo species and it is assumed to be involved in rehydrating tissues and refilling gas-filled vessels. The underlying mechanisms remain largely unknown, as well as how the pressure relates to environmental factors and physiological variables, or how positive pressure is associated with the hydraulic status of the plants. Physiological variables, including pressure in stems, rhizomes, and roots, sap flow, stem diameter variations, and stem CO2 and O2 concentrations were monitored over a two-year period on 10 m tall Bambusa oldhamii Munro plants on the campus of California State University, Fullerton, and were compared to daily data in vapor pressure deficit. Stem pressure was found to be associated with weather conditions and overall plant hydraulic status, with a two-week lag effect observed in cross-correlations between VPD and changes in stem pressure and stem diameter variations. Stem pressure was closely correlated with stem diameter variations, but not directly related to sap flow, as cutting upper stems to prevent sap flow had no immediate effect on diurnal pressure fluctuations. My findings also show that pressure in this species does not originate from the roots, but in the rhizome and basal stem. Sucrose from the phloem may be involved with creating osmotic pressure in stem tissues, in addition to high levels of nocturnal stem respiration that could cause stem pressure through the creation of respiratory water.
Extended Seiberg-Witten Theory and Integrable Hierarchy
Creators: name: Marshakov, Andrei
name: Nekrasov, Nikita
Publisher: name: arXiv
Year: 2006
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: Exactly Solvable and Integrable Systems (nlin.SI)
subject: FOS: Physical sciences

description: The prepotential of the effective N=2 super-Yang-Mills theory perturbed in the ultraviolet by the descendents of the single-trace chiral operators is shown to be a particular tau-function of the quasiclassical Toda hierarchy. In the case of noncommutative U(1) theory (or U(N) theory with 2N-2 fundamental hypermultiplets at the appropriate locus of the moduli space of vacua) or a theory on a single fractional D3 brane at the ADE singularity the hierarchy is the dispersionless Toda chain. We present its explicit solutions. Our results generalize the limit shape analysis of Logan-Schepp and Vershik-Kerov, support the prior work hep-th/0302191 which established the equivalence of these N=2 theories with the topological A string on CP^1 and clarify the origin of the Eguchi-Yang matrix integral. In the higher rank case we find an appropriate variant of the quasiclassical tau-function, show how the Seiberg-Witten curve is deformed by Toda flows, and fix the contact term ambiguity.
description: 49 pages
Quark masses using twisted mass fermion gauge ensembles
Creators: name: Alexandrou, C.
name: Bacchio, S.
name: Bergner, G.
name: Constantinou, M.
name: Di Carlo, M.
name: Dimopoulos, P.
name: Finkenrath, J.
name: Fiorenza, E.
name: Frezzotti, R.
name: Garofalo, M.
name: Hadjiyiannakou, K.
name: Kostrzewa, B.
name: Koutsou, G.
name: Jansen, K.
name: Lubicz, V.
name: Mangin-Brinet, M.
name: Manigrasso, F.
name: Martinelli, G.
name: Papadiofantous, E.
name: Pittler, F.
name: Rossi, G. C.
name: Sanfilippo, F.
name: Simula, S.
name: Tarantino, C.
name: Todaro, A.
name: Urbach, C.
name: Wenger, U.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We present a calculation of the up, down, strange and charm quark masses performed within the lattice QCD framework. We use the twisted mass fermion action and carry out simulations that include in the sea two light mass-degenerate quarks, as well as the strange and charm quarks. In the analysis we use gauge ensembles simulated at three values of the lattice spacing and with light quarks that correspond to pion masses in the range from 350 MeV to the physical value, while the strange and charm quark masses are tuned approximately to their physical values. We use several quantities to set the scale in order to check for finite lattice spacing effects and in the continuum limit we get compatible results. The quark mass renormalization is carried out non-perturbatively using the RI'-MOM method converted into the $\overline{\rm MS}$ scheme. For the determination of the quark masses we use physical observables from both the meson and the baryon sectors, obtaining $m_{ud} = 3.636(66)(^{+60}_{-57})$~MeV and $m_s = 98.7(2.4)(^{+4.0}_{-3.2})$~MeV in the $\overline{\rm MS}(2\,{\rm GeV})$ scheme and $m_c = 1036(17)(^{+15}_{-8})$~MeV in the $\overline{\rm MS}(3\,{\rm GeV})$ scheme, where the first errors are statistical and the second ones are combinations of systematic errors. For the quark mass ratios we get $m_s / m_{ud} = 27.17(32)(^{+56}_{-38})$ and $m_c / m_s = 11.48(12)(^{+25}_{-19})$.
description: 37 pages, 23 figures, 24 tables. One reference added
Permissive-Nominal Logic (journal version)
Creators: name: Dowek, Gilles
name: Gabbay, Murdoch J.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences
subject: F.4.1; I.2.3

description: Permissive-Nominal Logic (PNL) is an extension of first-order predicate logic in which term-formers can bind names in their arguments. This allows for direct axiomatisations with binders, such as of the lambda-binder of the lambda-calculus or the forall-binder of first-order logic. It also allows us to finitely axiomatise arithmetic, and similarly to axiomatise 'nominal' datatypes-with-binding. Just like first- and higher-order logic, equality reasoning is not necessary to alpha-rename. This gives PNL much of the expressive power of higher-order logic, but models and derivations of PNL are first-order in character, and the logic seems to strike a good balance between expressivity and simplicity.
Financiamento da educação superior do estado da Bahia
Creators: name: Mota Júnior, Antônio de Macêdo
Publisher: name: figshare
Year: 2021
Subjects: subject: 160506 Education Policy
subject: FOS: Political science
subject: 130103 Higher Education
subject: FOS: Educational sciences

description: Este estudo exploratório e bibliográfico aborda o tema da política pública de educação superior no Estado da Bahia, no que se refere ao financiamento das Ueba, com o intuito de caracterizar aspectos relevantes dessa política.
Effect of ZrH2 particles on the microstructure and mechanical properties of IN718 manufactured by selective laser melting
Creators: name: Galera-Rueda, C.
name: Nieto-Valeiras, E.
name: Gardon, M.
name: Pérez-Prado, M. T.
name: LLorca, J.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The influence of Zr additions (in the form of ZrH2 particles) on the microstructure and mechanical properties of IN718 Ni-based superalloy manufactured by selective laser melting was explored. Fully dense alloys could be obtained by careful selection of the processing parameters. The addition of ZrH2 did not modify the microstructure of the alloy but introduced a dispersion of Zr-rich globular particles of approximately 50 nm in diameter which increased the strength of the as-printed material at ambient (23C) and high temperature (550C). Heat treatments of solubilisation followed by aging led to a fine dispersion of gamma" precipitates that controlled the strength of the alloy, which was independent of the addition of Zr. Moreover, dynamic strain ageing was found in the heat treated materials when deformed at 550C. Finally, the strength of the IN718 deformed perpendicular to the building direction was higher than that along the building direction, regardless of the heat treatment and temperature. Computational homogenization simulations showed that the anisotropy was associated with the strong texture.
Stability of Waves in Multi-component DNLS system
Creators: name: Rothos, V. M.
name: Kevrekidis, P. G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: In this work, we systematically generalize the Evans function methodology to address vector systems of discrete equations. We physically motivate and mathematically use as our case example a vector form of the discrete nonlinear Schrodinger equation with both nonlinear and linear couplings between the components. The Evans function allows us to qualitatively predict the stability of the nonlinear waves under the relevant perturbations and to quantitatively examine the dependence of the corresponding point spectrum eigenvalues on the system parameters. These analytical predictions are subsequently corroborated by numerical computations.
description: to appear Journal of Physics A: Mathematical and Theoretical
A Note on Heterotic Dualities via M-theory
Creators: name: Sethi, Savdeep
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We show that a class of torsional compactifications of the heterotic string are dual to conventional Kahler heterotic string compactifications. This observation follows from the recently proposed analogue of the c-map for the heterotic string.
description: 10 pages; references added; minor wording change
Neutral metals in the atmosphere of HD149026b
Creators: name: Ishizuka, Masato
name: Kawahara, Hajime
name: Nugroho, Stevanus K.
name: Kawashima, Yui
name: Hirano, Teruyuki
name: Tamura, Motohide
Publisher: name: arXiv
Year: 2021
Subjects: subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: Recent progress in high-dispersion spectroscopy has revealed the presence of vaporized heavy metals and ions in the atmosphere of hot Jupiters whose dayside temperature is larger than 2000 K, categorized as ultra hot Jupiters (UHJs). Using the archival data of high resolution transmission spectroscopy obtained with the Subaru telescope, we searched for neutral metals in HD149026b, a hot Jupiter cooler than UHJs. By removing stellar and telluric absorption and using a cross-correlation technique, we report tentative detection of neutral titanium with 4.4 sigma and a marginal signal of neutral iron with 2.8 sigma in the atmosphere. This is the first detection of neutral titanium in an exoplanetary atmosphere. In this temperature range, titanium tends to form titanium oxide (TiO). The fact that we did not detect any signal from TiO suggests that the C/O ratio in the atmosphere is higher than the solar value. The detection of metals in the atmosphere of hot Jupiters cooler than UHJs will be useful for understanding the atmospheric structure and formation history of hot Jupiters.
description: Accepted for publication in AJ
Nominal semantics for predicate logic: algebras, substitution, quantifiers, and limits
Creators: name: Dowek, Gilles
name: Gabbay, Murdoch J.
Publisher: name: arXiv
Year: 2023
Subjects: subject: Logic in Computer Science (cs.LO)
subject: FOS: Computer and information sciences

description: We define a model of predicate logic in which every term and predicate, open or closed, has an absolute denotation independently of a valuation of the variables. For each variable a, the domain of the model contains an element [[a]] which is the denotation of the term a (which is also a variable symbol). Similarly, the algebra interpreting predicates in the model directly interprets open predicates. Because of this models must also incorporate notions of substitution and quantification. These notions are axiomatic, and need not be applied only to sets of syntax. We prove soundness and show how every 'ordinary' model (i.e. model based on sets and valuations) can be translated to one of our nominal models, and thus also prove completeness.