cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Transparency of the Universe to gamma rays
Creators: name: De Angelis, Alessandro
name: Galanti, Giorgio
name: Roncadelli, Marco
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Using the most recent observational data concerning the Extragalactic Background Light and the Radio Background, for a source at a redshift z_s < 3 we compute the energy E_0 of an observed gamma-ray photon in the range 10 GeV < E_0 < 10^13 GeV such that the resulting optical depth tau_gamma(E_0,z_s) takes the values 1, 2, 3 and 4.6, corresponding to an observed flux dimming of e^-1 = 0.37, e^-2 = 0.14, e^-3 = 0.05 and e^-4.6 = 0.01, respectively. Below a source distance D = 8 kpc we find that tau_gamma(E_0,DH_0/c) < 1 for any value of E_0. In the limiting case of a local Universe (z_s = 0) we compare our result with the one derived in 1997 by Coppi and Aharonian. The present achievement is of paramount relevance for the planned ground-based detectors like CTA, HAWC and HiSCORE.
description: 5 pages, 2 figures, MNRAS (2013) - in Press
Evidence for Intra-Unit-Cell magnetic order in Bi2Sr2CaCu2O8+d
Creators: name: De Almeida-Didry, S.
name: Sidis, Y.
name: Baledent, V.
name: Giovannelli, F.
name: Monot-Laffez, I.
name: Bourges, P.
Publisher: name: arXiv
Year: 2012
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: Polarized elastic neutron scattering measurements have been performed in the bilayer copper oxide system Bi2Sr2CaCu2O8+d, providing evidence for an intra unit cell (IUC) magnetic order inside the pseudo-gap state. That shows time reversal symmetry breaking in that state as already reported in Bi2Sr2CaCu2O8+d through dichroism in circularly polarized photoemission experiments. The magnetic order displays the same characteristic features as the one previously reported for monolayer HgBa2CuO4+d and bilayer YBa2Cu3O6+x, demonstrating that this genuine phase is ubiquitous of the pseudo-gap of high temperature copper oxide materials.
description: 4 figures, submitted to PRB
Additional file 1 of In silico profiling of nonsynonymous SNPs of fat mass and obesity-associated gene: possible impacts on the treatment of non-alcoholic fatty liver disease
Creators: name: Patnaik, Damini
name: Jena, Atala Bihari
name: Kerry, Rout George
name: Duttaroy, Asim K.
Publisher: name: figshare
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: Biotechnology
subject: 39999 Chemical Sciences not elsewhere classified
subject: FOS: Chemical sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: 80699 Information Systems not elsewhere classified
subject: FOS: Computer and information sciences
subject: Cancer

description: Additional file 1: Table S1. List of ‘‘possible deleterious ns-SNPs’’by combined prediction. 12 ns-SNPs predicted to be deleterious are in bold. Table S2. RMSD Values of Deleterious SNPs. Figure S1. 3-Dimensional structure of deleterious ns-SNPs (A) R96P (B) G103D (C) Y295C (D) R322Q (E) R316Q. Figure S2. Radius of Gyration plots for mutant andnative forms of FTO bound to the drug molecules. Figure S3. Solvent Accessible Surface Area of theprotein-ligand complex throughout the simulation length.
title: Investigations of Forage Fish and Lake Trout Salvelinus Namaycush Interactions in Flaming Gorge Reservoir, Wyoming-Utah
Creators: name: Yule, Daniel L.
Publisher: name: Utah State University
Year: 1992

description: I investigated the interaction of lake trout (Salvelinus namaycush) and their dominant forage fish populations, Utah chub (Gila atraria) and kokanee salmon (Oncorhynchus nerka), in Flaming Gorge Reservoir, Wyoming-Utah. Through bioenergetics modeling, I quantified the consumption dynamics of the lake trout population. From hydroacoustics analyses, I quantified the density and biomass of the two dominant forage fish populations.
In Chapter II, I report the results of the energetics analysis. The objective of this chapter was to understand the role of lake trout predation in recent changes in fish assemblage structure of the reservoir. Through lake trout diet analysis and exploration of forage fish growth rates, I quantified the duration of time that chubs and kokanee are vulnerable to lake trout predation. Faster growth rates of kokanee greatly reduce the duration of time that this species is vulnerable to predation relative to Utah chubs. Although chubs are more fecund than kokanee, this advantage in reproductive potential may not make up for differences in duration of vulnerability. I predict that kokanee will make up an even larger proportion of the total fish assemblage of the reservoir in future years.
In Chapter III, I compare annual estimates of lake trout consumption demand to biomass estimates of forage fish. I used vertical gill net sampling, beach seine surveys, and hydroaocustics to assess the distributions and biomasses of the Utah chub and kokanee populations. Biomasses of pelagic Utah chubs and kokanee were calculated to be 83 300 and 209 000 kg, respectively. Energetics analyses indicated that between 1985 and 1989 the lake trout population consumed 79 000 kg of chub and 196 000 kg of kokanee per year. These results suggest ' that forage fish populations should decline in future years. Annual consumption demand of lake trout between 400 and 600 mm (137 000 kg) exceeded biomass estimates of forage fish of useable size (22 000 kg), suggesting that this size-class of predator is currently food-limited. High occurrence of invertebrate prey taxa in the diet of small predators supports this food-limitation hypothesis. The lack of small pelagic forage fishes may reduce the ability of lake trout to recruit to sizes that are accessible to anglers and of value to the fishery.
title: Bee Shadow Recognition in Video Analysis of Omnidirectional Bee Traffic
Creators: name: Alavala, Laasya
Publisher: name: Utah State University
Year: 2019

description: Over a decade ago, beekeepers noticed that the bees were dying or disappearing without any prior health disorder. Colony Collapse Disorder (CCD) has been a major threat to bee colonies around the world which affects vital human crop pollination. Possible instigators of CCD include viral and fungal diseases, decreased genetic diversity, pesticides and a variety of other factors. The interaction among any of these potential facets may be resulting in immunity loss for honey bees and the increased likelihood of collapse. It is essential to rescue honey bees and improve the health of bee colony.
Monitoring the traffic of bees helps to track the status of hive remotely. An Electronic beehive monitoring system extracts video, audio and temperature data without causing any interruption to the bee hives. This data could provide vital information on colony behavior and health. This research uses Artificial Intelligence and Computer Vision methodologies to develop and analyze technologies to monitor omnidirectional bee traffic of hives without disrupting the colony. Bee traffic means the number of bees moving in a given area in front of the hive over a given period of time. Forager traffic is the number of bees coming in and/or leaving the hive over a time. Forager traffic is a significant component in monitoring food availability and demand, colony age structure, impacts of pests and diseases, etc on hives. The goal of this research is to estimate and keep track of bee traffic by eliminating unnecessary information from video samples.
WNT7A and EGF Alter Myogenic Differentiation in hiPSCs Derived from Duchenne Muscular Dystrophy Patients
Creators: name: Madana, Maria
Publisher: name: Université d'Ottawa / University of Ottawa
Year: 2023
Subjects: Skeletal Muscle Stem Cells
Satellite Cells
Duchenne Muscular Dystrophy
WNT7A
Epidermal Growth Factor
Symmetric Division
Asymmetric Division
Human Induced Pluripotent Stem Cells
Cell Differentiation
Myogenesis
Cell Division

description: Duchenne Muscular Dystrophy (DMD) is a disorder caused by loss-of-function mutations in dystrophin, a critical protein that maintains muscle fiber integrity. Our lab discovered that dystrophin-deficient skeletal muscle stem cells, also known as satellite cells, cannot generate enough myogenic progenitors for proper muscle regeneration. Previously, we demonstrated that WNT7A, a protein expressed during muscle regeneration, stimulates symmetric division of satellite cells, and gives rise to two daughter satellite cells. Conversely, epidermal growth factor (EGF) induces asymmetric division, which generates one daughter satellite cell and one committed precursor cell. We aimed to investigate these satellite cell division mechanisms following WNT7A or EGF treatment in a human model using healthy and DMD-patient derived hiPSCs differentiated into the myogenic lineage. The presence of satellite-like cells was confirmed in both lines by their characteristic expression of PAX7 and other myogenic markers. Intriguingly, DMD-patient hiPSCs precociously differentiated compared to healthy control human induced pluripotent stem cells (hiPSCs). More notably, WNT7A treatment had a potent effect on the DMD differentiated cells. High content analysis revealed an expansion of the satellite-like cell pool as observed by a higher number of PAX7+ cells within the total population and gene expression analysis demonstrated a significant increase in global PAX7 expression. In contrast, EGF treatment reduced the number of PAX7+ cells and increased the proportion of MYOG+ cells within the myogenic population, indicating an increase in myogenic progenitors. Taken together, WNT7A and EGF can alter the myogenic differentiation program of healthy and DMD-patient derived hiPSCs by modulating the satellite-like cell division dynamics.
Current-induced magnetization reversal in SrRuO3
Creators: name: Shperber, Yishai
name: Bedau, Daniel
name: Reiner, James W.
name: Klein, Lior
Publisher: name: arXiv
Year: 2012
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We inject current pulses into uniformly magnetized patterns of thin films of the itinerant ferromagnet SrRuO3, while monitoring the effective temperature of the patterns during the current injection. We gradually increase the amplitude of the pulses until magnetization reversal occurs. We observe magnetization reversal induced by current above a temperature-dependent threshold and show that this effect is not simply due to sample heating or Oersted fields. We discuss the applicability of the current-induced spin-wave instability scenario.
title: Staff Perceptions of Quality Interactions in Dementia Care
Creators: name: Schultz, Rebecka A.
Publisher: name: Utah State University
Year: 2019

description: The national aging trend suggests that population of those aged 65 and older will reach 83.7 million by the year 2050. With increasing age comes the growing possibility of one getting some form of dementia. The Alzheimer’s Association expects the number of American’s with dementia to triple from the reported 5 million cases in 2014 by 2050. With a rise in this cognitively impaired population there is reason to look closely at the needs of persons with dementia living in residential facilities and whether or not they are being met. The main focus of residential facilities is to provide aid with physical needs. However, research shows that all people also have social and psychological needs that need to be met to have the highest quality of life possible. Other research shows that residents with dementia spend a majority of their days with little to no social interactions. This study aims to uncover what verbal and nonverbal behaviors, if any, Certified Nursing Assistants (CNAs) in residential care facilities find to be important when interacting with persons with dementia.
This study includes the analysis of 11 interviews of CNAs from local facilities and home health companies. Analysis of their responses uncovered very few observable verbal and nonverbal behaviors were actually discussed. What was more apparent was that attitudes and internal behaviors participants considered important drove the use of good verbal and nonverbal communication. Five themes were uncovered. They were: Observable Verbal and Nonverbal Behaviors, Valuing Personhood, Get on Their [Cognitive and Reality] Level, Be a Friend, and Compassion. Excerpts from the interviews are included for examples of how these themes presented themselves.
title: Gender and Social Acceptance of Immigrants in a New Destination Site
Creators: name: Earl, Emma Meade
Publisher: name: Utah State University
Year: 2019

description: In this article, I draw on secondary interview data with LatinX immigrants in Cache Valley, Utah, an emerging new destination site in the Inter-Mountain West. While immigrants are drawn to new destinations by employment opportunities, quality of life, or low cost of living, they face many challenges in integrating socially into fairly homogenous communities, which can be particularly challenging for immigrant women. This thesis analyzes the ways in which gender affects social integration in the specific cultural and demographic context of Cache Valley. Using interviews with 16 men and women, I examine gender differences in perceptions of the community, experiences of discrimination, and plans to continue to reside within the community. I find high levels of integration among both men and women. Although discrimination and racism are common experiences, many of the respondents were quick to downplay these experiences and focused instead on their overall positive assessment of the community. Women were more attuned to the experience of racism and less willing to downplay it. They also were less likely to have a long-term plan to remain in the community, but this appeared to be more related to their consideration of other family members’ long-term plans, rather than due to their experiences of discrimination. Women’s integration in Cache Valley seems less problematic than in other new destinations, which may be related to demographic, geographic, and cultural factors.
title: Preschool Science: An Examination of Classroom and Teacher Predictors
Creators: name: Blaylock, Donna S.
Publisher: name: Utah State University
Year: 2019

description: Science experiences during the preschool years is important because it helps build brain development in children, and improves school readiness. This exploratory study examined several characteristics of teachers and classrooms to see if any factors predicted time spent on science. Over 120 teachers participated, with teachers from Head Starts, university child development laboratories, home-based preschools, and other private preschool programs.
Findings suggest that preschool teachers are quite comfortable with teaching science, but science activities are reported to occur infrequently—one to three times a month. Teachers with higher levels of education and comfort levels with science are reported to be more likely to spend time on science. Additionally, comfort levels with science had the greatest impact on time spent on science after accounting for teacher and classroom demographics. These results suggest that helping teachers feel more comfortable teaching science should be an important target for professional development practices and preservice education.
Additional file 1 of Novel insights regarding the measurement properties of the SCOPA-AUT
Creators: name: Westergren, Albert
name: Wictorin, Klas
name: Hansson, Oskar
name: Hagell, Peter
Publisher: name: figshare
Year: 2023
Subjects: subject: Biochemistry
subject: Medicine
subject: Genetics
subject: FOS: Biological sciences
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1.
Zu einer Ringfibel mit Fußplatte und beidseitigen stilisierten Tierköpfen aus Heimbach-Vlatten
Creators: name: Teegen, Wolf-Rüdiger
Publisher: name: Bonner Jahrbücher
Year: 2018

description: -
description: Bonner Jahrbücher, Bd. 212.2012(2013): Bonner Jahrbücher
title: Development and Testing of a Hydrogen Peroxide Injected Thrust Augmenting Nozzle for a Hybrid Rocket
Creators: name: Heiner, Mark C.
Publisher: name: Utah State University
Year: 2019

description: During a rocket launch, the point at which the most thrust is needed is at lift-off where the rocket is the heaviest since it is full of propellant. Unfortunately, this is also the point at which rocket engines perform the most poorly due to the relatively high atmospheric pressure at sea level. The Thrust Augmenting Nozzle (TAN) investigated in this paper provides a solution to this dilemma. By injecting extra propellant into the nozzle but downstream of the throat, the internal nozzle pressure is raised and the thrust is increased, and the nozzle efficiency, or specific impulse is potentially improved as well. Using this concept, the payload capacity of a launch vehicle can be increased and provides an excellent option for single stage to orbit vehicles.
title: In Defense of the Modern Company Town: Wyoming's Uranium Communities
Creators: name: Larsen, Zachary R.
Publisher: name: Utah State University
Year: 2019

description: Most people are at least aware that, in the past, companies that owned mines, lumber mills, and other large-scale industrial projects in isolated areas also ran company towns. For many people, such towns conjure up images miserable working conditions, exploitative company stores, and inadequate shacks for most workers, while managers live in relative luxury up on “snob knob.” Most people are also fairly certain that such towns, at least in the United States, died out about the same time as the horse and buggy. Several industries in Wyoming, however, continued to support company towns through the end of the 20th century, with one such town surviving into the early 2000s.
This project looks at two of these towns supported by the uranium mining and milling industry that dominated central Wyoming’s economy for about 30 years starting in the mid-1950s. These towns, Gas Hills and Jeffrey City, along with Wyoming’s other modern company towns represent a new era in the history of these communities. Furthermore, they actually had many advantages for inhabitants, companies, and the local economy, especially compared to a small conventional community located near a resource boom. Often, and in contrast to the towns in this thesis, conventional towns must scramble to meet the demands of a massive migration, only to be left with unpaid bonds when the resource dries up or becomes no longer profitable.
title: The Response of Utah Lake's Plant and Algal Community Structure to Cultural Eutrophication
Creators: name: King, Leighton R.
Publisher: name: Utah State University
Year: 2019

description: Human activities have long had a negative impact on the water quality of freshwater lakes around the world. Utah Lake, located in north-central Utah, has been a subject of such impacts, as the lake experiences recurrent harmful algal blooms during the summer months. Lake warnings and closures have made the public increasingly aware of the ecological and economic impact of these blooms. The objectives of this study were to: 1) compare historical and present-day water quality and ecosystem conditions using environmental data contained in sediment cores, 2) identify whether, and when, Utah Lake transitioned from clearwater to turbid conditions, and 3) incorporate historically-validated lake plant community structure models into establishing forward-thinking lake management targets. The first two objectives will guide lake remediation efforts by providing insight into where lake managers should set our water quality goals and help identify the main driver(s) of eutrophication in Utah Lake. Environmental data from sediment cores indicate a transition in the lake’s recent history, marking a shift to greater phytoplankton dominance, which I attribute to the introduction of invasive common carp around 1881. The third objective provides management and restoration efforts with the water clarity requirements for returning the lake to its historical ecological state.
title: The Relationship Between Small-Group Discourse and Student-Enacted Levels of Cognitive Demand When Engaging with Mathematics Tasks at Different Depth of Knowledge Levels
Creators: name: Litster, Kristy
Publisher: name: Utah State University
Year: 2019

description: High cognitive demand (HCD) tasks can help students develop a deeper understanding of mathematics. Teachers need interventions that encourage students to engage in HCD activities. Small-group discourse provides HCD opportunities for students while solving mathematics problems. Discourse can take place after students solve problems individually (reflective) or in groups as students solve problems (exploratory). This study looks at the relationship between these two types of small-group discourse and student-enacted cognitive demand.
This study looks at how students engage with tasks that were designed at four different cognitive demand levels using Webb’s depth of knowledge (DOK) framework. Ninety-seven grade 5 students from four different classrooms were grouped in small groups of two or three students to solve two sets of mathematics problems on operations with fractions and decimals. Each class engaged in Reflective Discourse after solving one set and engage in Exploratory Discourse while solving the other set. To help understand any order effects, half the classes used Reflective Discourse with Set 1 while the other half used Exploratory Discourse with Set 1. Then, they switched for Set 2, so that whoever used Reflective Discourse with Set 1 used Exploratory Discourse with Set 2 and vice versa.
The researcher analyzed whether there were patterns in levels of cognitive demand and quality of the discussion when students engaged in each type of discourse for math problems at four different levels. First, the researcher looked at any numerical differences between the intended cognitive demand of the problems and how students engaged with the problems using frequency tables, heat maps, and statistical analyses. Next, the researcher looked at differences in student actions and the way they talked about the math problems.
Findings showed that both Reflective and Exploratory Discourse can be used by teachers to promote high student-enacted levels of cognitive demand. Results also showed that a supportive environment, such as the environment created by Reflective Discourse, can help support typically struggling students. Finally, this research reinforced the importance of dissonance in prompting students to engage with the tasks at higher levels of cognitive demand.
title: Intermittent Turbulent Exchanges and Their Role in Vineyard Evapotranspiration
Creators: name: Los, Sebastian Alexander
Publisher: name: Utah State University
Year: 2019

description: Vineyards are often grown in semi-arid climates, such as California’s central valley, where water resources can be limited. Summer weather conditions result in high water use by these plants. For wine grapes, a high-value commodity, there are known benefits to fruit quality in irrigating grapevines with slightly below optimum for the plant. Growers would like to be able to precisely irrigate without overusing water or overstressing the vines. This calls for improving ways to monitor vineyard water use by estimating the combined soil evaporation and plant transpiration known as evapotranspiration (ET). A computer model developed by the USDA called the Two-Source Energy Balance model (TSEB) can estimate ET through satellite or aircraft measurements of land surface temperature. The model has been successful for simple, uniform vegetation such as maize, soybeans, and grasslands. The ability of TSEB to estimate vineyard ET has been tested through a field experiment called the Grape Remote sensing, Atmospheric Profile,& Evapotranspiration eXperiment or GRAPEX.
Water is primarily transported away from the ground and plants by turbulent swirls in the wind. Models such as TSEB assume these swirls occur in a consistent manner over a few minutes to hours. Yet, interactions between the wind, the complex vineyard canopy, and heating near the ground can cause them to be episodic or intermittent. There are questions of if and how intermittent water vapor transport might happen in vineyards, and whether the TSEB model will still estimate ET well in such cases. In this study wind, humidity, air temperature, and surface temperatures are used to examine when intermittent behavior occurs, how it affects ET from the vineyard canopy, and how TSEB performs for intermittent versus more steady conditions. Results show that intermittent turbulence significantly alters the microclimate in the vineyard canopy compared to more ideal, steady behavior. The TSEB model was successful but showed reduced ability to estimate ET during times of intermittent behavior. The knowledge gained is an important step toward using TSEB as a powerful tool for sustainable water management, not only in vineyards, but other cash crops with complicated canopies such as orchards, as well as natural ecosystems.
Magnetohydrostatic equilibrium. I: Three-dimensional open magnetic flux tube in the stratified solar atmosphere
Creators: name: Gent, Frederick Armstrong
name: Fedun, Viktor
name: Mumford, Stuart John
name: Erdelyi, Robertus
Publisher: name: arXiv
Year: 2013
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: A single open magnetic flux tube spanning the solar photosphere (solar radius R) and the lower corona (R + 10 Mm) is modelled in magnetohydrostatic equilibrium within a realistic stratified atmosphere subject to solar gravity. Such flux tubes are observed to remain relatively stable for up to a day or more, and it is our aim to apply the model as the background condition for numerical studies of energy transport mechanisms from the surface to the corona. We solve analytically an axially symmetric 3D structure for the model, with magnetic field strength, plasma density, pressure and temperature all consistent with observational and theoretical estimates. The self similar construction ensures the magnetic field is divergence free. The equation of pressure balance for this particular set of flux tubes can be integrated analytically to find the pressure and density corrections required to preserve the magnetohydrostatic equilibrium. The model includes a number of free parameters, which makes the solution applicable to a variety of other physical problems and it may therefore be of more general interest.
description: 9 pages, 8 figures
title: Radiation Pattern Reconfigurable Horn Antenna Based on Parasitic Layer Concept
Creators: name: Tanagardi, Mehmet
Publisher: name: Utah State University
Year: 2019

description: In recent years, multi-functional reconfigurable antennas (MRA) has attracted much attention in wireless communication. The reconfigurable antenna can adapt itself with changing system conditions, and it can provide different multi-functionalities which can give better system performances. Instead of using multiple antennas, a single reconfigurable antenna can provide the same performance and occupy less space. By using the parasitic layer technique, an antenna can be turned into a reconfigurable antenna. The main objective of this thesis is to study radiation pattern reconfiguration of the horn antenna by using the parasitic layer concept. The MRA consists of a single horn, dielectric loaded truncated pyramid (DLTP), and the parasitic layer. The antenna that is chosen in this thesis is the horn antenna because it provides high directivity. DLTP is used for magnification purpose. The results show that three modes of operations that provide better performances compared to the single horn antenna are achieved.
title: Υλοποίηση και συγκριτική ανάλυση αλγορίθμων εμπνευσμένων από τη φύση για προβλήματα ολικής βελτιστοποίησης
title: Development and comparative analysis of nature inspired algorithms for global optimization problems​
Creators: name: Τσαμπουναρη Ειρηνη
Publisher: name: Technical University of Crete
Year: 2020

description: Σκοπός της τρέχουσας διπλωματικής εργασίας είναι η σύγκριση κάποιων αλγορίθμων εμπνευσμένων από τη φύση σε προβλήματα ολικής βελτιστοποίησης. Τα προβλήματα αυτά είναι συναρτήσεις δοκιμής και είναι χρήσιμες για την αξιολόγηση των αλγορίθμων βελτιστοποίησης. Ουσιαστικά, μέσω αυτών παρατηρούμε την απόδοση κάθε μεθοδολογίας.
Αρχικά, για την καλύτερη κατανόηση των επόμενων κεφαλαίων, το πρώτο κεφάλαιο αναφέρεται σε βασικές έννοιες, όπως, η ολική βελτιστοποίηση, και στα προβλήματα τα οποία επιλύονται. Πρόκειται για προβλήματα που έχουν μη γραμμική αντικειμενική συνάρτηση.
Εν συνεχεία, στο δεύτερο κεφάλαιο επεξηγούνται οι ορισμοί των εξελικτικών αλγορίθμων και της νοημοσύνης σμήνους και γίνεται αναλυτική αναφορά στις μεθοδολογίες που υλοποιήθηκαν. Πιο συγκεκριμένα, οι αλγόριθμοι αυτοί είναι ο αλγόριθμος αναζήτησης της βαρυτικής έλξης (GSA), ο αλγόριθμος της μεγάλης έκρηξης (BB-BC), ο αλγόριθμος βελτιστοποίησης του γκρίζου λύκου (GWO), ο αλγόριθμος των μαϊμούδων (SMO), ο αλγόριθμος της φάλαινας (WO), ο αλγόριθμος της λιβελούλας (DA) και ο αλγόριθμος των μυρμηλεοντίδων (ALO).
Στο τρίτο και τελευταίο κεφάλαιο εμφανίζονται τα αποτελέσματα και
σχολιάζονται σαφώς.
Insertable system for fast turnaround time microwave experiments in a dilution refrigerator
Creators: name: Ong, Florian R.
name: Orgiazzi, Jean-Luc
name: de Waard, Arlette
name: Frossati, Giorgio
name: Lupascu, Adrian
Publisher: name: arXiv
Year: 2012
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Superconductivity (cond-mat.supr-con)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Microwave experiments in dilution refrigerators are a central tool in the field of superconducting quantum circuits and other research areas. This type of experiments relied so far on attaching a device to the mixing chamber of a dilution refrigerator. The minimum turnaround time in this case is a few days as required by cooling down and warming up the entire refrigerator. We developed a new approach, in which a suitable sample holder is attached to a cold-insertable probe and brought in contact with transmission lines permanently mounted inside the cryostat. The total turnaround time is 8 hours if the target temperature is 80 mK. The lowest attainable temperature is 30 mK. Our system can accommodate up to six transmission lines, with a measurement bandwidth tested between DC and 12 GHz. This bandwidth is limited by low pass components in the setup; we expect the intrinsic bandwidth to be at least 18 GHz. We present our setup, discuss the experimental procedure, and give examples of experiments enabled by this system. This new measurement method will have a major impact on systematic ultra-low temperature studies using microwave signals, including those requiring quantum coherence.
description: 18 pages, 6 figures, accepted in Review of Scientific Instruments
Transformationen der Einsamkeit. Max Ophüls‘ und Xu Jingleis filmische Adaptionen von Stefan Zweigs „Brief einer Unbekannten“
Creators: name: Lühe, Barbara Von Der
Publisher: name: Literaturstraße. Chinesisch-deutsche Zeitschrift für Sprach- und Literaturwissenschaft
Year: 2018

description: -
description: Literaturstraße. Chinesisch-deutsche Zeitschrift für Sprach- und Literaturwissenschaft, Bd. 16 (2015)
title: Determination of the pharmaceutical treatment-dosage for cancer patients using non-linear optimization techniques
title: Προσδιορισμός της χορήγησης φαρμακευτικής αγωγής-δοσολογίας σε καρκινοπαθείς με χρήση τεχνικών μη-γραμμικής βελτιστοποίησης
Creators: name: Μαυροματακης Ιασων
Publisher: name: Technical University of Crete
Year: 2020

description: Cancer, a disease first documented thousands of years ago, remains one of the most important issues of medicine, troubling numerous scientists and researchers, as well as individual patients. In this study, a non-linear mathematical model of tumor growth with immune response, under the effects of chemotherapeutic treatment, is presented. After analyzing the dynamics of the cells and the possible equilibria of the drug-free system, their interactions with the drug are examined. Later on, two cost-efficient optimal control approaches are reviewed, based on Direct Collocation and State-Dependent Riccati Equation methods, and then they are extended further so that they can be practically applied to patients. Ultimately, the results from each method are presented, providing an overall better regimen, when compared to previous studies, by successfully eradicating the tumor and keeping the side-effects of chemotherapy to a minimum.

description: Ο καρκίνος αποτελεί μια ασθένεια που πρωτοεμφανίστηκε πριν από χιλιάδες χρόνια και εξακολουθεί να παραμένει ένα από τα σημαντικότερα ζητήματα της ιατρικής. Στην παρούσα διπλωματική εργασία  παρουσιάζεται και αναλύεται ένα μη γραμμικό μαθηματικό μοντέλο που προσομοιώνει την εξέλιξη ενός αρχικά μεγάλου όγκου, υπό την επήρεια ενός αποδυναμωμένου ανοσοποιητικού συστήματος και χημειοθεραπευτικής αγωγής. Το πρόβλημα εύρεσης της βέλτιστης δοσολογίας χημειοθεραπευτικού φαρμάκου για αυτήν την περίπτωση αποτελεί μία πρόκληση. Για τον λόγο αυτό, αναπτύσσονται δύο μέθοδοι θεραπείας, βασισμένες στις μεθόδους βέλτιστου ελέγχου Direct Collocation και State-Dependent Riccati Equation, οι οποίες στη συνέχεια εφαρμόζονται σε περιβάλλον προσομοίωσης. Τα αποτελέσματα τους είναι πολύ ικανοποιητικά, καθώς εξαλείφουν τον όγκο επιτυχώς, ενώ παράλληλα περιορίζουν τις παρενέργειες της χημειοθεραπείας στον οργανισμό του ασθενή.
Zu einer Inschrift von Seligenstadt
Creators: name: Zangemeister, Karl
Publisher: name: Bonner Jahrbücher
Year: 2018

description: [nicht vorhanden / not available]
description: Bonner Jahrbücher, Bd. 76 (1883): Jahrbücher des Vereins von Alterthumsfreunden im Rheinlande
Disconnected glass-glass transitions and swallowtail bifurcations in microscopic spin models with facilitated dynamics
Creators: name: Sellitto, Mauro
Publisher: name: arXiv
Year: 2013
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: It has been recently established that heterogeneous bootstrap percolation and related dynamic facilitation models exhibit a complex hierarchy of continuous and discontinuous transitions depending on lattice connectivity and kinetic constraints. Here the range of the previously observed phase diagram topologies and higher-order singularities is extended to disconnected glass-glass transitions and to cusp and swallowtail bifurcations (which can be generic and degenerate). The phase diagram and the order parameter for two different types of spin mixtures are analytically determined and an experimental realization of the new predictions emerging in our approach is suggested.
Energy Correlation Functions for Jet Substructure
Creators: name: Larkoski, Andrew J.
name: Salam, Gavin P.
name: Thaler, Jesse
Publisher: name: arXiv
Year: 2013
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We show how generalized energy correlation functions can be used as a powerful probe of jet substructure. These correlation functions are based on the energies and pair-wise angles of particles within a jet, with (N+1)-point correlators sensitive to N-prong substructure. Unlike many previous jet substructure methods, these correlation functions do not require the explicit identification of subjet regions. In addition, the correlation functions are better probes of certain soft and collinear features that are masked by other methods. We present three Monte Carlo case studies to illustrate the utility of these observables: 2-point correlators for quark/gluon discrimination, 3-point correlators for boosted W/Z/Higgs boson identification, and 4-point correlators for boosted top quark identification. For quark/gluon discrimination, the 2-point correlator is particularly powerful, as can be understood via a next-to-leading logarithmic calculation. For boosted 2-prong resonances the benefit depends on the mass of the resonance.
description: 45 pages, 28 figures, update to JHEP version, some minor typos fixed, added discussion at end of section 3
Additional file 2 of How do underage youth access e-cigarettes in settings with minimum age sales restriction laws? A scoping review
Creators: name: Graham-DeMello, Anna
name: Hoek, Janet
name: Drew, Jonathan
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Science Policy

description: Additional file 2. Minimum age sales restrictions by Country and region of interest.
Additional file 1 of How do underage youth access e-cigarettes in settings with minimum age sales restriction laws? A scoping review
Creators: name: Graham-DeMello, Anna
name: Hoek, Janet
name: Drew, Jonathan
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Science Policy

description: Additional file 1. Detailed search strategy, screening stages, and discard reasoning.
An estimate of the branching ratio for Z -> nu nubar gamma gamma
Creators: name: Dicus, Duane A.
name: Repko, Wayne W.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The effective interaction for two neutrino, two photon coupling is used to find an approximate width for the decay of the Z boson into the nu nubar gamma gamma final state.
description: Three pages, 2 figures
title: A prática profissional do serviço social no tratamento para HIV/AIDS no Brasil
Creators: name: Nogueira de Azevedo Guerra, Vivianne
Publisher: name: Universidade Lusíada Editora
Year: 2015

description: Intervenção social. - ISSN 0874-1611. - N. 46 (2015). - p. 41-56.
Bericht über die Verwaltung des Provinzialmuseums in Bonn vom 1. April 1921 bis 31. März 1922
Creators: name: Lehner, Hans
name: Oelmann, Franz
name: Hagen, Kustos
Publisher: name: Bonner Jahrbücher
Year: 2018

description: [nicht vorhanden / not available]
description: Bonner Jahrbücher, Bd. 127 (1922): Bonner Jahrbücher : Jahrbücher des Vereins von Altertumsfreunden im Rheinlande
title: A violação dos direitos sociais nos países do sul da Europa
Creators: name: Duarte, Filipe
Publisher: name: Universidade Lusíada Editora
Year: 2015

description: Intervenção social. - ISSN 0874-1611. - N. 42-45 (2.º semestre 2013 - 1.º semestre 2015). - p. 25-41.
Additional file 3 of How do underage youth access e-cigarettes in settings with minimum age sales restriction laws? A scoping review
Creators: name: Graham-DeMello, Anna
name: Hoek, Janet
name: Drew, Jonathan
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Biotechnology
subject: Environmental Sciences not elsewhere classified
subject: Sociology
subject: FOS: Sociology
subject: Information Systems not elsewhere classified
subject: Cancer
subject: Science Policy

description: Additional file 3. Detailed characteristics of included studies.
Additional file 1 of Comparing mental and physical health of U.S. veterans by VA healthcare use: implications for generalizability of research in the VA electronic health records
Creators: name: Fink, David S.
name: Stohl, Malka
name: Mannes, Zachary L.
name: Shmulewitz, Dvora
name: Wall, Melanie
name: Gutkind, Sarah
name: Olfson, Mark
name: Gradus, Jaimie
name: Keyhani, Salomeh
name: Maynard, Charles
name: Keyes, Katherine M.
name: Sherman, Scott
name: Martins, Silvia
name: Saxon, Andrew J.
name: Hasin, Deborah S.
Publisher: name: figshare
Year: 2023
Subjects: subject: Medicine
subject: Neuroscience
subject: Biotechnology
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences
subject: 110309 Infectious Diseases

description: Additional file 1: Appendix Table 1. Health conditions and behaviors in US military veterans by past-year use of VA health care: NHIS, 2019.
The Drude weight of the spin-1/2 XXZ chain: density matrix renormalization group versus exact diagonalization
Creators: name: Karrasch, C.
name: Hauschild, J.
name: Langer, S.
name: Heidrich-Meisner, F.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We revisit the problem of the spin Drude weight D of the integrable spin-1/2 XXZ chain using two complementrary approaches, exact diagonalization (ED) and the time-dependent density-matrix renormalization group (tDMRG). We pursue two main goals. First, we present extensive results for the temperature dependence of D. By exploiting time translation invariance within tDMRG, one can extract D for significantly lower temperatures than in previous tDMRG studies. Second, we discuss the numerical quality of the tDMRG data and elaborate on details of the finite-size scaling of the ED results, comparing calculations carried out in the canonical and grand-canonical ensembles. Furthermore, we analyze the behavior of the Drude weight as the point with SU(2)-symmetric exchange is approached and discuss the relative contribution of the Drude weight to the sum rule as a function of temperature.
description: Revised version, additional ED and DMRG data for negative Delta, DMRG data for lower temperatures, discussion of Benz et al. 2005 corrected
On the volume of the convex hull of two convex bodies
Creators: name: Horváth, Ákos G.
name: Lángi, Z.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Metric Geometry (math.MG)
subject: FOS: Mathematics
subject: 52A40, 52A38, 26B15

description: In this note we examine the volume of the convex hull of two congruent copies of a convex body in Euclidean $n$-space, under some subsets of the isometry group of the space. We prove inequalities for this volume if the two bodies are translates, or reflected copies of each other about a common point or a hyperplane containing it. In particular, we give a proof of a related conjecture of Rogers and Shephard.
description: 9 pages, 3 figures
Electrical spin injection in p-type Si using Fe/MgO contacts
Creators: name: Spiesser, Aurelie
name: Sharmaa, Sandeep
name: Saito, Hidekazu
name: Jansen, Ron
name: Yuasa, Shinji
name: Ando, Koji
Publisher: name: arXiv
Year: 2012
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: We report the successful electrical creation of spin polarization in p-type Si at room temperature by using an epitaxial MgO(001) tunnel barrier and Fe(001) electrode. Reflection high-energy electron diffraction observations revealed that epitaxial Fe/MgO(001) tunnel contacts can be grown on a (2 x 1) reconstructed Si surface whereas tunnel contacts grown on the (1 x 1) Si surface were polycrystalline. Transmission electron microscopy images showed a more flat interface for the epitaxial Fe/MgO/Si compared to that of the polycrystalline structure. For the Fe/MgO/p-Si devices, the Hanle and inverted Hanle effects were clearly observed at 300 K by using a three-terminal configuration, proving that spin polarization can be induced in the Si at room temperature. Effective spin lifetimes deduced from the width of the Hanle curve were 95 +/- 6 ps and 143 +/- 10 ps for the samples with polycrystalline and epitaxial MgO tunnel contacts, respectively. The observed difference can be qualitatively explained by the local magnetic field induced by the larger roughness of the interface of the polycrystalline sample. The sample with epitaxial Fe/MgO tunnel contact showed higher magnitude of the spin accumulation with a nearly symmetric behavior with respect to the bias polarity whereas that of the polycrystalline MgO sample exhibited a quite asymmetric evolution. This might be attributed to the higher degree of spin polarization of the epitaxial Fe/MgO(001) tunnel contact, which acts as a spin filter. Our experimental results suggest that an epitaxial MgO barrier is beneficial for creating spins in Si.
description: Paper presented at SPIE Nanoscience + Engineering, Spintronics V session in San Diego, US on August 13th, 2012
California's Future Economic Collapse Due to A Decrease of Quality of Life in the Hispanic/Latino Fieldworker Population of the Central Valley
Creators: name: Bianchi I, Sonny A.
Publisher: name: Zenodo
Year: 2023
Subjects: Public health, GDP, Quality of life, Cultural Health Analysis Theory, Latinx/Hispanic, fieldworkers

description: The Latinx/Hispanic fieldworkers within the Central Valley (CV) of California continue to create economic growth within the agriculture industry in California and the United States. Because of the economic development of this state, this population’s quality of life (QOL) is decreasing, leading to the state’s economic collapse if health inequalities are not addressed. The dominant explanation for this trend is a lack of policy development and Eurocentric ideas within the agricultural industry. Previous research has primarily relied on the Gross Domestic Product (GDP) trends to relate to life satisfaction; thus, research does not address a culturally competent understanding/issues within QOL based on GPD growth. Using a survey, a collection of responses was recorded to calculate further the QOL index for the Latinx/Hispanic fieldworkers’ population within the CV. Using the QOL index calculated for this population, the Cultural Health Analysis Theory will be used to analyze the index to establish the relationship between the QOL and GDP. The Cultural Health Analysis Theory shows a negative correlation between the QOL for Latinx/Hispanic fieldworkers and GDP growth. Furthermore, our results show that if the QOL does not improve, California’s economy will collapse, and the state will fall into a worse recession.