cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Η επίδραση της συμμετοχής των τερματοφυλάκων και των διαστάσεων των εστιών στα τεχνικά στοιχεία των αγωνιστικών παιχνιδιών μικρών χώρων (SSG)
Creators: name: Κωστούδης, Αντώνιος Γεωργίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2023
Subjects: Αγωνιστικά παιχνίδια μικρών χώρων
Τερματοφύλακες
Τεχνικές Ενέργειες
Small sided games
Goalkeepers
Technical actions

description: Σκοπός της έρευνας ήταν η μελέτη της επίδρασης της παρουσίας τερματοφυλάκων και των διαστάσεων των εστιών στα τεχνικά στοιχεία των αγωνιστικών παιχνιδιών μικρών χώρων (SSG). Μία αναπτυξιακή ομάδα U13 πραγματοποίησε 5 SSG (4x4) με την παρουσία τερματοφυλάκων και την χρήση εστιών κανονικών διαστάσεων και 5 SSG (4x4) χωρίς την παρουσία τερματοφυλάκων και την χρήση μικρών εστιών διαστάσεων 1x1.5m. Στόχος του παιχνιδιού ήταν η επίτευξη τέρματος (Traditional Central Goal). Οι προπονήσεις βιντεοσκοπήθηκαν και στην συνέχεια κατεγράφησαν οι τεχνικές ενέργειες των παικτών (εύστοχες πάσες, άστοχες πάσες, ντρίπλες, σουτ, κλεψίματα και μπλοκ). Από την ανάλυση των αποτελεσμάτων προέκυψε ότι πραγματοποιήθηκαν σημαντικά περισσότερες ντρίπλες (p = 0,01) και κλεψίματα (p = 0,01) στα παιχνίδια χωρίς τερματοφύλακες με την χρήση μικρών εστιών. Αντίθετα, στις προπονήσεις με την παρουσία τερματοφύλακα και με την χρήση κανονικών εστιών παρατηρήθηκαν σημαντικά περισσότερα σουτ (p = 0.0006). Όσον αφορά τις εύστοχες πάσες, τις άστοχες πάσες και τα μπλοκ δεν παρατηρήθηκε στατιστικά σημαντική διαφορά (p > 0,05). Από τα αποτελέσματα φαίνεται ότι η παρουσία τερματοφύλακα και κανονικής εστίας οδηγεί σε διαφορετικές αγωνιστικές συμπεριφορές εκ μέρους των παικτών και έχει σημαντική επίδραση στο πλήθος και το είδος των τεχνικών στοιχείων και τον τακτικών επιλογών κατά την διάρκεια του αγώνα.
description: The aim of this paper was to study the effect of the presence of goalkeepers and the size of goalposts in Small-Sided Games (SSG). A U13 team performed 5 SSG (4x4) with the presence of goalkeepers and the use of regular-size goalposts and 5 SSG (4x4) without the presence of goalkeepers and the use of small 1x1.5m goalposts. The aim of the game was to score (Traditional Central Goal). Practices were recorded and later the technical actions of the players were written down (successful passes, unsuccessful passes, dribbles, shots, interceptions, and blocks). Analysis of the results showed that there were significantly more dribbles (p = 0.01) and interceptions (p = 0.01) in games without goalkeepers and with small goalposts. On the contrary, in games with the presence of goalkeepers and the use of regular goalposts significantly more shots (p = 0.0006) were observed. Regarding successful passes, unsuccessful passes and blocks, no significant difference was observed (p > 0.05). The results indicate that the presence of the goalkeeper and the regular sized goalpost leads to different game behaviour from the players and has significant impact on the quantity and quality of technical actions and tactical choices during the game
$\widehat{sl_2}$ symmetry of ${\mathbb R}^{1,3}$ gravity
Creators: name: Gupta, Nishant
name: Paul, Partha
name: Suryanarayana, Nemani V.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose novel asymptotically locally flat boundary conditions for Einstein Gravity without cosmological constant in four dimensions that are consistent with the variational principle. They allow for complex solutions that are asymptotically diffeomorphic to flat space-times under complexified diffeomorphisms. We show that the resultant asymptotic symmetries are an extension of the Poincare algebra to a copy of Virasoro, a chiral $\mathfrak{sl}(2,{\mathbb C})$ current algebra along with two chiral $\mathfrak{u}(1)$ currents. We posit that these bulk symmetries are direct analogues of the recently discovered chiral algebra symmetries of gravitational scattering amplitudes as celestial CFT correlation functions.
description: 33 pages. References added. Added a new subsection 'Comment on Charges'. Elaborated Introduction, Conclusion and Discussion sections. Minor typos corrected
On some dual frames multipliers with at most countable spectra
Creators: name: Corso, Rosario
Publisher: name: arXiv
Year: 2021
Subjects: subject: Functional Analysis (math.FA)
subject: FOS: Mathematics
subject: 42C15, 47A10, 47A12

description: A dual frames multiplier is an operator consisting of analysis, multiplication and synthesis processes, where the analysis and the synthesis are made by two dual frames in a Hilbert space, respectively. In this paper we investigate the spectra of some dual frames multipliers giving, in particular, conditions to be at most countable. The contribution extends the results available in literature about the spectra of Bessel multipliers with symbol decaying to zero and of multipliers of dual Riesz bases.
description: 13 pages
Gravity capillary standing water waves
Creators: name: Alazard, Thomas
name: Baldi, Pietro
Publisher: name: arXiv
Year: 2014
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 76B15, 76D45, 35B10 (37K50, 37K55, 35S05)

description: The paper deals with the 2D gravity-capillary water waves equations in their Hamiltonian formulation, addressing the question of the nonlinear interaction of a plane wave with its reflection off a vertical wall. The main result is the construction of small amplitude, standing (namely periodic in time and space, and not travelling) solutions of Sobolev regularity, for almost all values of the surface tension coefficient, and for a large set of time-frequencies. This is an existence result for a quasi-linear, Hamiltonian, reversible system of two autonomous pseudo-PDEs with small divisors. The proof is a combination of different techniques, such as a Nash-Moser scheme, microlocal analysis, and bifurcation analysis.
description: 80 pages
Application of Edge-to-Cloud Methods Towards Deep Learning
Creators: name: Choudhary, Khushi
name: Nersisyan, Nona
name: Lin, Edward
name: Chandrasekaran, Shobana
name: Mayani, Rajiv
name: Pottier, Loïc
name: Murillo, Angela P.
name: Virdone, Nicole K.
name: Kee, Kerk
name: Deelman, Ewa
Publisher: name: Zenodo
Year: 2022
Subjects: poster-presentation
IEEE eScience 2022
Scientific Workflows
Workflow Management Systems
Edge Computing
Pegasus
Zooplankton
Machine Learning

description: Scientific workflows are important in modern computational science and are a convenient way to represent complex computations, which are often geographically distributed among several computers. In many scientific domains, scientists use sensors (e.g., edge devices) to gather data such as CO2 level or temperature, that are usually sent to a central processing facility (e.g., a cloud). However, these edge devices are often not powerful enough to perform basic computations or machine learning inference computations and thus applications need the power of cloud platforms to generate scientific results. This work explores the execution and deployment of a complex workflow on an edge-to-cloud architecture in a use case of the detection and classification of plankton. In the original application, images were captured by cameras attached to buoys floating in Lake Greifensee (Switzerland). We developed a workflow based on that application. The workflow aims to pre-process images locally on the edge devices (i.e., buoys) then transfer data from each edge device to a cloud platform. Here, we developed a Pegasus workflow that runs using HTCondor and leveraged the Chameleon cloud platform and its recent CHI@Edge feature to mimic such deployment and study its feasibility in terms of performance and deployment.
description: This project was conducted as part of the CI Compass Student Fellowship Program supported by the National Science Foundation award Grant #2127548. To learn more about CI Compass, visit: https://ci-compass.org/
Presentation: Development Of Mobile Learning Laboratorium Tafsir Sains (Labtafsin) As Tafsir Ilmy Learning Media
Creators: name: Niken Sylvia Puspitasari
name: Rochmad
name: Aqdi Rofiq Asnawi
name: Fajar Bakti Nugroho
name: Hanifah Amini
Publisher: name: Zenodo
Year: 2020

description: This material presented in 2nd ICESE 2020
Cyclic deformation behavior of Mg–SiC nanocomposites on the macroscale and nanoscale
Creators: name: Hübler, Daniela
name: Winkler, Kai
name: Riedel, Ralf
name: Kamrani, Sepideh
name: Fleck, Claudia
Publisher: name: Technische Universität Berlin
Year: 2021
Subjects: subject: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
subject: cyclic deformation behavior
subject: cyclic nanoindentation
subject: fatigue behavior
subject: load increase test
subject: Mg–SiC nanocomposite

description: Metal-ceramic nanocomposites are promising candidates for applications necessitating light weight and excellent fatigue resistance. We produced Mg–SiC nanocomposites from mechanically milled powders, yielding a homogeneous nanocrystalline structure and excellent quasistatic strength values. Little is known, however, about the fatigue behavior of such composites. Here, we used load increase tests on the macroscale to yield estimation values of the fatigue endurance limit. Fatigue strength increased significantly for the materials processed by the powder metallurgical route. We further investigated the cyclic deformation behavior under stress-controlled conditions on the macroscale and nanoscale. Cyclic nanoindentation showed that indentation depth and cyclic plastic deformation decreased with increasing reinforcement content, hinting to a higher cyclic strength and corroborating the results from the macroscopic load increase tests. Our results therefore show that cyclic nanoindentation reliably determines the plastic deformation behavior of Mg nanocomposites offering the possibility of fast material analysis.
Insertion of Continuous Set-Valued Mappings
Creators: name: Gutev, Valentin
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Topology (math.GN)
subject: FOS: Mathematics
subject: 54B20, 54C30, 54C60, 54C65, 54D05, 54D15

description: An interesting result about the existence of "intermediate" set-valued mappings between pairs of such mappings was obtained by Nepomnyashchii. His construction was for a paracompact domain, and he remarked that his result is similar to Dowker's insertion theorem and may represent a generalisation of this theorem. In the present paper, we characterise the $τ$-paracompact normal spaces by this set-valued "insertion" property and for $τ=ω$, i.e. for countably paracompact normal spaces, we show that it is indeed equivalent to the mentioned Dowker's theorem. Moreover, we obtain a similar result for $τ$-collectionwise normal spaces and show that for normal spaces, i.e. for $ω$-collectionwise normal spaces, our result is equivalent to the Katětov-Tong insertion theorem. Several related results are obtained as well.
Multi-Sensor Image Fusion Based on Moment Calculation
Creators: name: Pramanik, Sourav
name: Bhattacharjee, Debotosh
Publisher: name: arXiv
Year: 2013
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: An image fusion method based on salient features is proposed in this paper. In this work, we have concentrated on salient features of the image for fusion in order to preserve all relevant information contained in the input images and tried to enhance the contrast in fused image and also suppressed noise to a maximum extent. In our system, first we have applied a mask on two input images in order to conserve the high frequency information along with some low frequency information and stifle noise to a maximum extent. Thereafter, for identification of salience features from sources images, a local moment is computed in the neighborhood of a coefficient. Finally, a decision map is generated based on local moment in order to get the fused image. To verify our proposed algorithm, we have tested it on 120 sensor image pairs collected from Manchester University UK database. The experimental results show that the proposed method can provide superior fused image in terms of several quantitative fusion evaluation index.
description: 5 pages, International Conference
Tech Notes: Visualizing Major Facility data with web-compatible technologies: Data Visualization for Jupyter Notebooks and Web Dashboards
Creators: name: Pascucci, Valerio
name: Scorzelli, Giorgio
name: Petruzza, Steve
Publisher: name: Zenodo
Year: 2022
Subjects: Data Visualization
Jupyter Notebooks
Web Dashboards
Matplotlib
Plotly
Bokeh

description: Data visualization is a key component of most National Science Foundation (NSF) Large Facilities’ cyberinfrastructure since it can provide powerful ways to explore, understand, and share key scientific insights generated by the mission of the projects involved, and facilitate building and connecting a community of users. In this brief technical note we list a few options that may allow accomplishing effective visualization for either or both environments and report possible pitfalls.
description: This project is supported by the National Science Foundation Office of Advanced Cyberinfrastructure in the Directorate for Computer Information Science under Grant #2127548. To learn more about CI Compass, visit: https://ci-compass.org/
Energy in the Anthropocene: How the concept of energy shaped both our current crisis and its professed solution
Creators: name: Simon‐Stickley, Anna
Publisher: name: Technische Universität Berlin
Year: 2021
Subjects: subject: 150 Psychologie
subject: agency
subject: ecology
subject: economy
subject: energy
subject: resources

description: This essay traces how the concept of energy—defined as the ability to do work in physics—informed two similar fields of knowledge with very dissimilar results. One, the resource economy in the late 19th century, laid some important epistemic and ideological foundations for the destruction of the environment in the present. The other, ecology, introduced a new holistic view of nature, which laid the groundwork for the recent reconceptualization of ethics, epistemology, and humankind's role on Earth culminating in the Anthropocene hypothesis—formulated in direct opposition to the capitalist, anthropocentric notions inherited from the 19th century. In both cases, it was the concept of energy that enabled thinking about the multifarious visualities, materialities, and temporalities of natural phenomena as united in a single causal substructure of energy exchanges. In resource economics, the energetic worldview imposed an anthropocentric useful/useless divide on the environment—modeled, I argue, on the energy/entropy distinction—and made it “logical” to think of minerals, plants, and human labor as analogous resources, justifiably equated and linked in the economic system. The same ability to equate and connect was fundamental to the discipline of ecology and its application to sociology in the 20th century, and, in more recent years, to philosophy and historiography. In stripping nature of all surface illusions, energy proved enormously efficient for exposing the entanglement of large‐scale systems composed of animate and inanimate actors equally imbued with agency.
Lepton Mixing Parameters from $Δ(48)$ Family Symmetry and Generalised CP
Creators: name: Ding, Gui-Jun
name: Zhou, Ye-Ling
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We provide a systematic and thorough exploration of the $Δ(48)$ family symmetry and the consistent generalised CP symmetry. A model-independent analysis of the achievable lepton flavor mixing is performed by considering all the possible remnant symmetries in the neutrino and the charged lepton sectors. We find a new interesting mixing pattern in which both lepton mixing angles and CP phases are nontrivial functions of a single parameter $θ$. The value of $θ$ can be fixed by the measured reactor mixing angle $θ_{13}$, and the excellent agreement with the present data can be achieved. A supersymmetric model based on $Δ(48)$ family symmetry and generalised CP symmetry is constructed, and this new mixing pattern is exactly reproduced.
description: 48 pages, 7 figures
Links with small lattice stick numbers
Creators: name: Hong, Kyungpyo
name: No, Sungjong
name: Oh, Seungsang
Publisher: name: arXiv
Year: 2014
Subjects: subject: Geometric Topology (math.GT)
subject: FOS: Mathematics

description: Knots and links have been considered to be useful models for structural analysis of molecular chains such as DNA and proteins. One quantity that we are interested on molecular links is the minimum number of monomers necessary to realize them. In this paper we consider every link in the cubic lattice. Lattice stick number $s_L(L)$ of a link $L$ is defined to be the minimal number of sticks required to construct a polygonal representation of the link in the cubic lattice. Huh and Oh found all knots whose lattice stick numbers are at most 14. They proved that only the trefoil knot $3_1$ and the figure-8 knot $4_1$ have lattice stick numbers 12 and 14, respectively. In this paper we find all links with more than one component whose lattice stick numbers are at most 14. Indeed we prove combinatorically that $s_L(2^2_1)=8$, $s_L(2^2_1 \sharp 2^2_1)=s_L(6^3_2)=s_L(6^3_3)=12$, $s_L(4^2_1)=13$, $s_L(5^2_1)=14$ and any other non-split links have stick numbers at least 15.
description: 9 pages, 4 figures
Flexible and economical operation of chlor‐alkali process with subsequent polyvinyl chloride production
Creators: name: Hofmann, Mathias
name: Müller, Robert
name: Christidis, Andreas
name: Fischer, Peter
name: Klaucke, Franziska
name: Vomberg, Sebastian
name: Tsatsaronis, George
Publisher: name: Technische Universität Berlin
Year: 2021
Subjects: subject: 660 Chemische Verfahrenstechnik
subject: chemical industry
subject: chlor‐alkali process
subject: demand response
subject: economic analysis
subject: optimization

description: Demand response (DR) can compensate for imbalances in variable renewable energy supplies. This possibility is particularly interesting for electrochemical processes, due to their high energy intensity. To determine the technical feasibility and economic viability of DR, we chose the chlor‐alkali process with subsequent polyvinyl chloride production, including intermediate storage for ethylene dichloride. We estimate the maximum possible cost savings of implementing load flexibility measures. A process model is set up to determine the system characteristic. Subsequent optimizations result in the facility's best possible dispatch depending on additional and minimum power load, storage volume, and cost of a load change. Real plant data are used to specify model parameters and validate the system characteristic and the plant dispatch. An economic evaluation reveals the economic advantages of efficiency and flexibility. The approach can be used to analyze the DR potential of other chlorine value chains or facilities with high electricity demand in general.
The effect of air entraining agent on cement-based magnetorheological pastes
Creators: name: Kim, Junhyung
name: 0000-0002-7996-2805
Publisher: name: The University of Texas at Austin
Year: 2022
Subjects: Rheology
Smart material
Magnetorheological paste
Air entraining agent
Small amplitude oscillatory shear
Storage modulus

description: Embedding magnetic particles into cement paste has been shown to produce a smart material in which the rheological properties of the resultant paste can be actively controlled through the use of magnetorheological principles. This research investigates the rheological behavior of cement-based MR pastes with and without air entrainment to gain a better understanding about effects of air entrained bubbles on MR cement pastes. Such information would be critical for use of such MR Pastes in 3D printing applications. It is revealed that the incorporation of entrained air results in increasing the MR response and this effect is related to the bubble bridge effect.
Optimization Landscape of Gradient Descent for Discrete-time Static Output Feedback
Creators: name: Duan, Jingliang
name: Li, Jie
name: Li, Shengbo Eben
name: Zhao, Lin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optimization and Control (math.OC)
subject: Systems and Control (eess.SY)
subject: FOS: Mathematics
subject: FOS: Electrical engineering, electronic engineering, information engineering

description: In this paper, we analyze the optimization landscape of gradient descent methods for static output feedback (SOF) control of discrete-time linear time-invariant systems with quadratic cost. The SOF setting can be quite common, for example, when there are unmodeled hidden states in the underlying process. We first establish several important properties of the SOF cost function, including coercivity, L-smoothness, and M-Lipschitz continuous Hessian. We then utilize these properties to show that the gradient descent is able to converge to a stationary point at a dimension-free rate. Furthermore, we prove that under some mild conditions, gradient descent converges linearly to a local minimum if the starting point is close to one. These results not only characterize the performance of gradient descent in optimizing the SOF problem, but also shed light on the efficiency of general policy gradient methods in reinforcement learning.
Adaptive evolution of molecular phenotypes
Creators: name: Held, Torsten
name: Nourmohammad, Armita
name: Lässig, Michael
Publisher: name: arXiv
Year: 2014
Subjects: subject: Populations and Evolution (q-bio.PE)
subject: FOS: Biological sciences

description: Molecular phenotypes link genomic information with organismic functions, fitness, and evolution. Quantitative traits are complex phenotypes that depend on multiple genomic loci. In this paper, we study the adaptive evolution of a quantitative trait under time-dependent selection, which arises from environmental changes or through fitness interactions with other co-evolving phenotypes. We analyze a model of trait evolution under mutations and genetic drift in a single-peak fitness seascape. The fitness peak performs a constrained random walk in the trait amplitude, which determines the time-dependent trait optimum in a given population. We derive analytical expressions for the distribution of the time-dependent trait divergence between populations and of the trait diversity within populations. Based on this solution, we develop a method to infer adaptive evolution of quantitative traits. Specifically, we show that the ratio of the average trait divergence and the diversity is a universal function of evolutionary time, which predicts the stabilizing strength and the driving rate of the fitness seascape. From an information-theoretic point of view, this function measures the macro-evolutionary entropy in a population ensemble, which determines the predictability of the evolutionary process. Our solution also quantifies two key characteristics of adapting populations: the cumulative fitness flux, which measures the total amount of adaptation, and the adaptive load, which is the fitness cost due to a population's lag behind the fitness peak.
description: Figures are not optimally displayed in Firefox
Implementation and Application of the Relativistic Equation of Motion Coupled-cluster Method for the Excited States of Closed-shell Atomic Systems
Creators: name: Nandy, D. K.
name: Singh, Yashpal
name: Sahoo, B. K.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Atomic Physics (physics.atom-ph)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We report the implementation of equation-of-motion coupled-cluster (EOMCC) method in the four-component relativistic framework with the spherical atomic potential to generate the excited states from a closed-shell atomic configuration. This theoretical development will be very useful to carry out high precision calculations of varieties of atomic properties in many atomic systems. We employ this method to calculate excitation energies of many low-lying states in a few Ne-like highly charged ions, such as Cr XV, Fe XVII, Co XVIII and Ni XIX ions, and compare them against their corresponding experimental values to demonstrate the accomplishment of the EOMCC implementation. The considered ions are apt to substantiate accurate inclusion of the relativistic effects in the evaluation of the atomic properties and are also interesting for the astrophysical studies. Investigation of the temporal variation of the fine structure constant (α) from the astrophysical observations is one of the modern research problems for which we also estimate the αsensitivity coefficients in the above ions.
description: 12 pages, 4 figures
Η επίδραση της χρήσης ψυχοτρόπων ουσιών και ψυχοθεραπευτικών παρεμβάσεων στο άγχος, την κατάθλιψη και την επιβάρυνση άτυπων περιθαλπόντων ασθενών με άνοια
Creators: name: Κουτούπη, Μαρία Δημητρίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2023
Subjects: Άνοια
Μη φαρμακευτικές παρεμβάσεις
Ψυχοτρόπα φάρμακα
Dementia
Non-pharmacological interventions
Psychotropic drugs

description: Η παρούσα μελέτη εστιάζει σε μεταβλητές σημαντικές για τις συναισθηματικές δυσκολίες, τις οποίες αντιμετωπίζουν οι άτυποι περιθάλποντες ασθενών με άνοια, το άγχος, την κατάθλιψη και την επιβάρυνση, αλλά και τις παρεμβάσεις για την αντιμετώπισή τους. Η βιβλιογραφία καταδεικνύει την ανάγκη και τις προσεγγίσεις για διαχείριση των καταστάσεων αυτών, με συχνότερες εφαρμογές την χρήση αγχολυτικών ή αντικαταθλιπτικών ψυχοτρόπων φαρμάκων, και τις μη φαρμακευτικές προσεγγίσεις με στόχο την συναισθηματική υποστήριξη και ενίσχυση των περιθαλπόντων. Στην συγκεκριμένη έρευνα διερευνάται η επίδραση των φαρμακευτικών και μη φαρμακευτικών παρεμβάσεων στο άγχος, την κατάθλιψη και την επιβάρυνση 203 περιθαλπόντων, ωφελούμενων του Τμήματος Περιθαλπόντων “Αγία Ελένη” της Ελληνικής Εταιρείας Νόσου Alzheimer και Συγγενών Διαταραχών. Τα δεδομένα δείχνουν επίδραση στις μεταβλητές της κατάθλιψης και της επιβάρυνσης από τις μη φαρμακευτικές προσεγγίσεις-παρεμβάσεις του Τμήματος Περιθαλπόντων έναν χρόνο μετά την πρώτη αξιολόγηση, και επίδραση στο άγχος για τους περιθάλποντες οι οποίοι ακολουθούν μη φαρμακευτική ή καμία παρέμβαση, συγκριτικά με όσους ακολουθούν φαρμακευτική αγωγή.
description: The present study focuses on variables relevant to the emotional difficulties experienced by informal caregivers of patients with dementia, regarding anxiety, depression, and burden, as well as interventions to deal with them. The literature demonstrates the need and approaches to manage these situations, with the most frequent applications being the use of anxiolytic or antidepressant psychotropic drugs, and non-pharmacological approaches aiming at emotional support and strengthening of caregivers. In this specific research, the effect of pharmaceutical and non-pharmacological interventions on the anxiety, depression and burden of 203 caregivers, beneficiaries of the "Agia Eleni" Caregiver Department of the Hellenic Association of Alzheimer's Disease and Related Disorders is investigated. Data show an effect on variables of depression and burden from the non-pharmacological approaches-interventions of the Department of Caregivers one year after the first assessment, and an effect on anxiety for caregivers following non-pharmacological or no intervention, compared to those following psychotropic medication.
Spectral parameter power series for polynomial pencils of Sturm-Liouville operators and Zakharov-Shabat systems
Creators: name: Kravchenko, Vladislav V.
name: Torba, Sergii M.
name: Velasco-Garcia, Ulises
Publisher: name: arXiv
Year: 2014
Subjects: subject: Classical Analysis and ODEs (math.CA)
subject: Mathematical Physics (math-ph)
subject: Numerical Analysis (math.NA)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: Primary 34A45, 34B07, 34L16, 41A58, 65L10, 65L15, Secondary 34B09, 34L40, 35Q41, 35Q55, 35Q74, 81Q05

description: A spectral parameter power series (SPPS) representation for solutions of Sturm-Liouville equations of the form $$(pu')'+qu=u\sum_{k=1}^{N}λ^{k}r_{k}$$ is obtained. It allows one to write a general solution of the equation as a power series in terms of the spectral parameter $λ$. The coefficients of the series are given in terms of recursive integrals involving a particular solution of the equation $(pu_{0}')'+qu_{0}=0$. The convenient form of the solution provides an efficient numerical method for solving corresponding initial value, boundary value and spectral problems. A special case of the considered Sturm-Liouville equation arises in relation with the Zakharov-Shabat system. We derive an SPPS representation for its general solution and consider other applications as the one-dimensional Dirac system and the equation describing a damped string. Several numerical examples illustrate the efficiency and the accuracy of the numerical method based on the SPPS representations which besides its natural advantages like the simplicity in implementation and accuracy is applicable to the problems admitting complex coefficients, spectral parameter dependent boundary conditions and complex spectrum.
description: 21 pages, 5 figures, 4 tables
On the Relation of Entropy and Enthalpy of Fusion in Triglycerides
Creators: name: Seilert, Julia
name: Rudolph‐Flöter, Susanne
name: Flöter, Eckhard
Publisher: name: Technische Universität Berlin
Year: 2021
Subjects: subject: 660 Chemische Verfahrenstechnik
subject: alkyl‐based molecules
subject: carbon number
subject: enthalpy of fusion
subject: entropy of fusion
subject: triglyceride properties

description: This contribution presents an extensive literature survey of the calorimetric properties, namely enthalpy and entropy of fusion, of alkyl‐based molecules. Building on the well‐known linear correlation of the named properties to the carbon number in n‐alkanes, saturated fatty acids (FA), and saturated monoacid triglycerides (TAGs), the calorimetric properties of TAGs are reviewed. No straightforward correlation using a single ordering parameter, i.e., carbon number, can be derived for TAGs. This is not surprising due to the complexity of this particular class of molecules differing in alkyl‐chain distribution over the glycerol backbone and chain saturation. A linear correlation of enthalpy and entropy of fusion is evident for molecule classes for which both properties correlate linearly with the carbon number, e.g., n‐alkanes. Despite the complexity of TAGs, it is possible to establish a linear correlation between enthalpy and entropy of fusion even though no underlying single ordering parameter can be identified. A linear fit reveals discrepancies between saturated and unsaturated molecules but independence of polymorphic forms and chain length differences in mixed‐acid TAGs. Moreover, the slopes of the linear fits for data on n‐alkanes, saturated FA, and saturated mono‐acid TAGs are found to be in the vicinity of the melting temperature of polyethylene.
Differential geometry of $\mathsf{SO}^\ast(2n)$-type structures
Creators: name: Chrysikos, Ioannis
name: Gregorovič, Jan
name: Winther, Henrik
Publisher: name: arXiv
Year: 2021
Subjects: subject: Differential Geometry (math.DG)
subject: FOS: Mathematics
subject: 53C10, 53C26, 53D15, 53B05 (Primary), 53C35, 53A55 (Secondary)

description: We study $4n$-dimensional smooth manifolds admitting a $\mathsf{SO}^*(2n)$- or a $\mathsf{SO}^*(2n)\mathsf{Sp}(1)$-structure, where $\mathsf{SO}^*(2n)$ is the quaternionic real form of $\mathsf{SO}(2n, \mathbb{C})$. We show that such $G$-structures, called almost hypercomplex/quaternionic skew-Hermitian structures, form the symplectic analogue of the better known almost hypercomplex/quaternionic-Hermitian structures (hH/qH for short). We present several equivalent definitions of $\mathsf{SO}^*(2n)$- and $\mathsf{SO}^*(2n)\mathsf{Sp}(1)$-structures in terms of almost symplectic forms compatible with an almost hypercomplex/quaternionic structure, a quaternionic skew-Hermitian form, or a symmetric 4-tensor, the latter establishing the counterpart of the fundamental 4-form in almost hH/qH geometries. The intrinsic torsion of such structures is presented in terms of Salamon's $\mathsf{E}\mathsf{H}$-formalism, and the algebraic types of the corresponding geometries are classified. We construct explicit adapted connections to our $G$-structures and specify certain normalization conditions, under which these connections become minimal. Finally, we present the classification of symmetric spaces $K/L$ with $K$ semisimple admitting an invariant torsion-free $\mathsf{SO}^*(2n)\mathsf{Sp}(1)$-structure. This paper is the first in a series aiming at the description of the differential geometry of $\mathsf{SO}^*(2n)$- and $\mathsf{SO}^*(2n)\mathsf{Sp}(1)$-structures.
description: 48 pages, title changed and minor corrections done. To appear in Annali di Matematica Pura ed Applicata (1923 -)
Evaluación ecográfica de órganos en la cavidad abdominal de ratones (Mus musculus) /
Creators: name: Búrquez Escobedo, Mariel
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: Ratones ||lemb||Tesis y disertaciones académicas||Enfermedades
subject: SF997.5.M4 B87 2022

description: El ratón (Mus musculus) es el modelo animal utilizado con más frecuencia en la investigación biomédica. La cepa de ratón BALB/c, se emplea para el estudio de enfermedades infecciosas y patologías degenerativas. El uso de ecografía como una herramienta diagnóstica es una opción valiosa en la investigación ya que tiene un bajo costo, es poco invasiva y ofrece imágenes en tiempo real. El objetivo del presente estudio es realizar la evaluación ecográfica de órganos de la cavidad abdominal en ratones BALB/c. Se emplearon 18 hembras sanas. Los animales fueron divididos en 3 grupos de 6 animales de diferentes edades: 7-8 semanas, 16-18 semanas y 29-31 semanas. Se realizó la evaluación ecográfica del hígado, vesícula biliar, estómago, bazo, riñones, vejiga urinaria, intestino delgado y recto. Para el procedimiento los animales fueron inmovilizados mediante el uso de isoflurano como anestésico y un equipo ESAOTE MyLabTM seven y un transductor linear de 22 MHz. Los órganos se evaluaron utilizando el modo B. Se realizó la medición del diámetro de los órganos sólidos, el grosor de la pared en los órganos huecos y se registró la apariencia ecográfica y ecogenicidad. Se realizó el análisis de varianza de una vía para las medias obtenidas para cada órgano por grupo. Este es el primer estudio que describe el tamaño y apariencia de los órganos de la cavidad abdominal en ratones BALB/c mediante ecografía. Se encontró un incremento de tamaño estadísticamente significativo en la longitud del riñón derecho y en el grosor de su corteza en el grupo de ratones de 16-18 semanas. No se encontraron cambios significativos en otros órganos. Los resultados de este estudio pueden ser usados como referencia al monitorizar cambios en órganos abdominales durante la investigación biomédica de enfermedades infecciosas y no infecciosas que utilizan como modelo experimental al ratón BALB/c.
Doubly random polytopes
Creators: name: Newman, Andrew
Publisher: name: Technische Universität Berlin
Year: 2021
Subjects: subject: 510 Mathematik
subject: probabilistic method
subject: random graphs
subject: random polytopes

description: A two‐step model for generating random polytopes is considered. For parameters d, m, and p, the first step is to generate a simple polytope P whose facets are given by m uniform random hyperplanes tangent to the unit sphere in ℝd, and the second step is to sample each vertex of P independently with probability p and let Q be the convex hull of the sampled vertices. We establish results on how well Q approximates the unit sphere in terms of m and p as well as asymptotics on the combinatorial complexity of Q for certain regimes of p.
Efecto de prácticas de renovación de una pradera sobre la producción de semilla de pasto bermuda [Cynodon dactylon (L.) pers.] en el Valle de Mexicali, B.C., México /
Creators: name: Castillo Castro, Josué
Publisher: name: Universidad Autónoma de Baja California.
Year: 2022
Subjects: subject: Plantas forrajeras ||lemb||Tesis y disertaciones académicas||Pastos||lemb||Tesis y disertaciones académicas
subject: SB193 C38 2022

description: Las prácticas agrícolas para la producción de semilla y/o forraje es de vital importancia para crecimiento. El objetivo de este trabajo fue probar diversas practicas recomendadas para la renovación de praderas y su efecto en la productividad del pasto Bermuda; particularmente en la producción de semilla. El cultivo fue trabajado durante el ciclo de la primavera del 2019 utilizando la pradera de pasto Bermuda la cual lleva aproximadamente 20 años de establecimiento. Los tratamientos consistieron en subsolado o sin subsolado; aplicación de mejorador de suelo o sin mejorador; incorporación de fósforo o al voleo; y aplicación foliar de dos productos a base de hormonas y micronutrientes foliares. El experimento no tuvo repeticiones. Se midió la altura de la biomasa, producción de forraje verde, prolificidad de las inflorescencias y porcentajes de tallos y el rendimiento de semilla. Los resultados mostraron que las prácticas de renovación de praderas que más consistentemente mostraron un efecto sustancial positivo a través de todas las variables de respuesta en este trabajo fueron la aplicación de mejorador de suelos y el subsolado. Se concluye que la aplicación de mejorador de suelos y el subsolado podrían incrementar la producción de forraje y o semilla de pasto Bermuda, a través de la renovación de lotes que tienen signos de baja productividad.
Neural Model Reprogramming with Similarity Based Mapping for Low-Resource Spoken Command Recognition
Creators: name: Yen, Hao
name: Ku, Pin-Jui
name: Yang, Chao-Han Huck
name: Hu, Hu
name: Siniscalchi, Sabato Marco
name: Chen, Pin-Yu
name: Tsao, Yu
Publisher: name: arXiv
Year: 2021
Subjects: subject: Audio and Speech Processing (eess.AS)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Neural and Evolutionary Computing (cs.NE)
subject: Sound (cs.SD)
subject: FOS: Electrical engineering, electronic engineering, information engineering
subject: FOS: Computer and information sciences

description: In this study, we propose a novel adversarial reprogramming (AR) approach for low-resource spoken command recognition (SCR), and build an AR-SCR system. The AR procedure aims to modify the acoustic signals (from the target domain) to repurpose a pretrained SCR model (from the source domain). To solve the label mismatches between source and target domains, and further improve the stability of AR, we propose a novel similarity-based label mapping technique to align classes. In addition, the transfer learning (TL) technique is combined with the original AR process to improve the model adaptation capability. We evaluate the proposed AR-SCR system on three low-resource SCR datasets, including Arabic, Lithuanian, and dysarthric Mandarin speech. Experimental results show that with a pretrained AM trained on a large-scale English dataset, the proposed AR-SCR system outperforms the current state-of-the-art results on Arabic and Lithuanian speech commands datasets, with only a limited amount of training data.
description: Accepted to Interspeech 2023. Code is available at: https://github.com/dodohow1011/SpeechAdvReprogram. Selected as Best Student Paper Candidate
Hidden Dipole Dark Matter
Creators: name: Pierce, Aaron
name: Zhang, Zhengkang
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We consider models where a hidden U(1)' interacts with the Standard Model via kinetic mixing. We assume the dark matter is neutral under this U(1)', but interacts with it via higher dimension operators. In particular, we consider a hidden dipole operator for fermionic dark matter, and charge radius and Rayleigh operators for scalar dark matter. These models naturally explain the absence of direct detection signals, but allow for a thermal cosmology. LHC searches for the Z' represent a powerful probe.
description: 23 pages, 4 figures
Το ΛΟΑΤΚΙ+ κίνημα στην εποχή της διασύνδεσης
Creators: name: Κυριαζίδου, Αφροδίτη Ζαφειρίου
Publisher: name: Aristotle University of Thessaloniki
Year: 2023
Subjects: Επικοινωνία
Μέσα κοινωνικής δικτύωσης
ΛΟΑΤΚΙ+ κίνημα
Communication
Social media
LGBTQ+ movement

description: Η παρούσα διπλωματική εργασία προσεγγίζει το ΛΟΑΤΚΙ+ κίνημα επικοινωνιακά και συγκεκριμένα προσπαθεί να μελετήσει την επικοινωνία που ασκεί, κυρίως μέσα από την χρήση των μέσων κοινωνικής δικτύωσης (ΜΚΔ), και πως εξελίσσεται η σχέση του κινήματος με τα παραδοσιακά μέσα επικοινωνίας, τα επικοινωνιακά ρεπερτόρια και τα πολιτικά κόμματα. Η ποιοτική πρωτογενής έρευνα που πραγματοποιήθηκε στηρίζεται σε δείγμα πέντε ατόμων, ακτιβιστών του ΛΟΑΤΚΙ+ κινήματος. Η μέθοδος που επιλέχθηκε για την συλλογή των δεδομένων είναι η ημιδομημένη συνέντευξη και ο τρόπος ανάλυσης των ερευνητικών αποτελεσμάτων είναι η ποιοτική ανάλυση. Οι ερωτήσεις κατανέμονται σε τέσσερις άξονες: α) τα νέα μέσα επικοινωνίας, β) τα παραδοσιακά μέσα επικοινωνίας, γ) τα πολιτικά κόμματα και δ) τα ρεπερτόρια επικοινωνίας του ΛΟΑΤΚΙ+ κινήματος. Ενώ, από τα ερευνητικά αποτελέσματα προκύπτει ότι η δυναμική και ορατότητα του ΛΟΑΤΚΙ+ κινήματος είναι αποτέλεσμα της χρήσης των ΜΔΚ ως κύριο επικοινωνιακό εργαλείο του κινήματος. Το γεγονός αυτό επηρεάζει με διαφορετικό τρόπο τις σχέσεις του κινήματος με τα ΜΜΕ και τα πολιτικά κόμματα, ενώ διαπιστώνονται αλλαγές των ρεπερτορίων επικοινωνίας του κινήματος, οι οποίες οφείλονται στα ΜΚΔ.
description: This thesis takes a communicative approach to the LGBTQ+ movement and specifically seeks to study its communication, mainly through the use of social media, and how the movement's relationship with traditional media, communication repertoires and political parties is evolving. The qualitative primary research conducted is based on a sample of five individuals, activists of the LGBTQ+ movement. The method chosen for data collection is semi-structured interview and the method of analysis of the research results is qualitative analysis. The questions are divided into four axes: a) new media, b) traditional media, c) political parties and d) communication repertoires of the LGBTQ+ movement. While, the research results show that the dynamics and visibility of the LGBTQ+ movement is a result of the use of media as the main communication tool of the movement. This affects the movement's relations with the media and political parties in different ways, and changes in the movement's communication repertoires are found to be due to the social media.
Fermi sea term in the relativistic linear muffin-tin-orbital transport theory for random alloys
Creators: name: Turek, Ilja
name: Kudrnovsky, Josef
name: Drchal, Vaclav
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We present a formulation of the so-called Fermi sea contribution to the conductivity tensor of spin-polarized random alloys within the fully relativistic tight-binding linear muffin-tin-orbital (TB-LMTO) method and the coherent potential approximation (CPA). We show that the configuration averaging of this contribution leads to the CPA-vertex corrections that are solely due to the energy dependence of the average single-particle propagators. Moreover, we prove that this contribution is indispensable for the invariance of the anomalous Hall conductivities with respect to the particular LMTO representation used in numerical implementation. Ab initio calculations for cubic ferromagnetic 3d transition metals (Fe, Co, Ni) and their random binary alloys (Ni-Fe, Fe-Si) indicate that the Fermi sea term is small against the dominating Fermi surface term. However, for more complicated structures and systems, such as hexagonal cobalt and selected ordered and disordered Co-based Heusler alloys, the Fermi sea term plays a significant role in the quantitative theory of the anomalous Hall effect.
description: 13 pages, accepted in Phys. Rev. B
Lattice study of the confinement/deconfinement transition in rotating gluodynamics
Creators: name: Braguta, V. V.
name: Kotov, A. Yu.
name: Kuznedelev, D. D.
name: Roenko, A. A.
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We study the influence of relativistic rotation on the confinement/deconfinement phase transition in gluodynamics by means of lattice simulations. The simulation is performed in the reference frame which rotates with the system under investigation, where rotation is reduced to external gravitational field. The Polyakov loop and its susceptibility are calculated for various lattice parameters and values of angular velocities which are characteristic for heavy-ion collision experiments. Different types of boundary conditions (open, periodic, Dirichlet) are imposed in directions, orthogonal to rotation axis. It is shown, that the critical temperature of the confinement/deconfinement transition in gluodynamics grows quadratically with increasing angular velocity. This conclusion does not depend on the boundary conditions used in our study and we believe that this is universal property of gluodynamics. We also present first results of the study of the phase diagram of rotating QCD matter with fermions. The results indicate, that effect of the rotation on fermions is opposite to gluons: it leads to the decrease of the critical temperature.
description: 9 pages, 4 figures. Talk presented at the 38th International Symposium on Lattice Field Theory, LATTICE2021 26th-30th July, 2021 Zoom/Gather@Massachusetts Institute of Technology
PHENIX Results on Heavy Quarks at Low $x$
Creators: name: Durham, J. Matthew
Publisher: name: arXiv
Year: 2014
Subjects: subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: It is becoming increasingly clear that initial state effects inherent to collisions of nuclei play an important role in the interpretation of data from heavy ion collisions at RHIC and the LHC. Such effects are more apparent in kinematic regions where the gluon density is expected to be significantly modified in the nucleus. The PHENIX experiment has studied these effects through the production of heavy quarks at backwards, middle, and forward rapidity, where partonic interactions in the nucleus and changes in the gluon structure function influence heavy quark production in different ways. Comparisons between these different rapidities in $d+$Au collisions offer us a window into the dynamics of particle production and transport in the nucleus. In these proceedings, new PHENIX results on heavy quark production at low $x$ values are discussed, in the context of A+A data from RHIC and the LHC.
description: Proceedings for Hard Probes 2013