Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

University of Nevada, Las Vegas

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 1861 - 1890 of 17691

Full-Text Articles in Entire DC Network

Transformative Tourism Experience: Openness To Thriving, Solbi Lee Dec 2022

Transformative Tourism Experience: Openness To Thriving, Solbi Lee

UNLV Theses, Dissertations, Professional Papers, and Capstones

Over the last two decades, there has been growing academic rhetoric regarding the concept of transformation. Furthermore, the discussion of transformative experiences extends to the tourism industry and literature, reflecting the changing tourists' profiles and demands that challenge Destination Management Organizations (DMOs) to deliver tourist experiences that incorporate self-reflection and personal transformation. Transformative tourism experiences (TTE) (Soulard et al., 2021) refer to extraordinary encounters and episodes that prompt high emotional reactions that bring an opportunity to explore the self and significant inner personal changes. Despite the emerging academic and practical attention on TTE, research empirically testing the antecedents and outcomes …

Go to article

Effects Of Patellofemoral Pain On Central Activation And Function Of The Gluteus Medius Muscle In Physically Active Females, Michelle Samuel Dec 2022

Effects Of Patellofemoral Pain On Central Activation And Function Of The Gluteus Medius Muscle In Physically Active Females, Michelle Samuel

UNLV Theses, Dissertations, Professional Papers, and Capstones

Patellofemoral pain (PFP) is the most common knee injury among runners, military personnel, adolescents and recreationally active persons. PFP commonly presents as diffuse pain across the anterior knee that increases with activities such as running, squatting, and walking up and down stairs. Nearly 75% of patients with PFP either alter or completely stop physical activity as a result of the pain. There are numerous mechanisms that contribute to PFP symptoms; such as muscle weakness, abnormal joint mechanics and abnormal joint stress, which make it difficult to successfully treat. In addition, PFP may lead to patellofemoral joint (PFJ) osteoarthritis, a debilitating …

Go to article

Developing A Hands-On Class Exercise For Modular Construction, 3d Design, And 4d Schedule, Kyle A. Kithas Dec 2022

Developing A Hands-On Class Exercise For Modular Construction, 3d Design, And 4d Schedule, Kyle A. Kithas

UNLV Theses, Dissertations, Professional Papers, and Capstones

Modular construction shows promise as a viable alternative to stick-built construction. A major challenge with the widespread adoption of modular construction is the construction industry’s focus on minimizing risk and defaulting to the comfort and familiarity of stick-built construction. This pattern can be broken through an educational paradigm shift in the way architecture, engineering, and construction are taught in school. Integrating modular construction education into higher education is presented to increase the future adoption of modular construction and expand the comfort zones of future industry leaders. This thesis proposes that current curriculum be augmented to teach the modular approach in …

Go to article

The Metabolic Change Of Lipid Species In Stam Mice With Hepatocellular Carcinoma, Devin J. Peart Dec 2022

The Metabolic Change Of Lipid Species In Stam Mice With Hepatocellular Carcinoma, Devin J. Peart

UNLV Theses, Dissertations, Professional Papers, and Capstones

Primary liver cancer hepatocellular carcinoma (HCC) is the second leading cause of cancer death worldwide. In the US, primary liver cancer is the most rapidly increasing type of cancer due to increases in hepatitis B and C and the continued trend of greater and greater percentages of the population suffering from obesity, diabetes mellitus and metabolic syndrome. The prognosis for this disease is poor, with a 5-year survival rate of 26% as compared to only 2% when the cancer is metastatic. Unfortunately, current strategies for early detection of HCC, including routine CT imaging or alpha-fetoprotein biomarker, are suboptimal and tend …

Go to article

Covid-19 Vaccine Acceptance Behavior Among Hispanics/Latinxs In Nevada: A Theory-Based Analysis, Tara Marie Naoe Tacderan Wong Nerida Dec 2022

Covid-19 Vaccine Acceptance Behavior Among Hispanics/Latinxs In Nevada: A Theory-Based Analysis, Tara Marie Naoe Tacderan Wong Nerida

UNLV Theses, Dissertations, Professional Papers, and Capstones

The COVID-19 pandemic has impacted many lives around the world, leaving negative repercussions including health effects, economic downturns, and social and physical restrictions. The pandemic has also revealed many disproportionate health impacts on vulnerable populations, especially among the Hispanic and Latinx populations. The use of the three COVID-19 vaccines in the United States has presented a form of protection against additional negative impacts. However, hesitancy toward the COVID-19 vaccine has hindered its rapid uptake, preventing the country from reaching herd immunity and ultimately ending the pandemic. Current research is minimal in understanding the intentions of receiving the COVID-19 vaccine among …

Go to article

Violin Performance Influences Of Fritz Kreisler, Walter Daniel White Dec 2022

Violin Performance Influences Of Fritz Kreisler, Walter Daniel White

UNLV Theses, Dissertations, Professional Papers, and Capstones

This study explores elements contained or implied in the question of what can the modern performer of violin literature learn and apply from the life, creative output, and career of Fritz Kreisler, a successful performer and composer of a past era. It is now the twenty-first century, and Fritz Kreisler, who lived from the final quarter of the nineteenth century beyond the first half of the twentieth century continues as a name widely recognized and associated with excellence in violin performance. His name is legendary among violinists, and he left a lasting legacy in the compositions that he created for …

Go to article

What Can General Chemistry Students Learn From External Representations Of Acid- Base Titrations?, Nicole Baldwin Dec 2022

What Can General Chemistry Students Learn From External Representations Of Acid- Base Titrations?, Nicole Baldwin

UNLV Theses, Dissertations, Professional Papers, and Capstones

Laboratory activities are a prevalent and essential part of chemistry learning because of their potential to help students develop problem solving abilities, visualize chemistry concepts learned in lecture, and gain practical skills. However, learning in the laboratory environment is not without its challenges. For example, cookbook-style chemistry laboratories can promote superficial learning, and cognitive overload can result from the study of new concepts and the use of new procedures in this environment. Multiple pedagogies and supports have been developed to address challenges such as these. The current research focuses upon external representations that are commonly used to support learning in …

Go to article

Towards The Electronic Response Of Carbon-Based Van Der Waals Heterostructures In A Diamond Anvil Cell, George Thomas Foskaris Dec 2022

Towards The Electronic Response Of Carbon-Based Van Der Waals Heterostructures In A Diamond Anvil Cell, George Thomas Foskaris

UNLV Theses, Dissertations, Professional Papers, and Capstones

The nanoscale regime of materials has been at the forefront of research and interest in condensed matter physics for many years. In a merger of the fields of two-dimensional (2D) materials and high pressure physics, we present an investigation of the electronic response of carbon-based, van der Waals (vdW) heterostructures in a diamond anvil cell (DAC). Combining these fields presents us with the ability to study the characteristics of such systems both optically, and through electrical transport. Properties such as conductance, band structure, and layer number are considered. The samples in this study are assembled using exfoliation and stacking techniques …

Go to article

How Medical Students Use Social Support To Cope With Burnout: A Grounded Theory Approah, Michelle Nicole I. Janeo Dec 2022

How Medical Students Use Social Support To Cope With Burnout: A Grounded Theory Approah, Michelle Nicole I. Janeo

UNLV Theses, Dissertations, Professional Papers, and Capstones

Medical education to become a physician is a rigorous training process resulting in high rates of burnout in medical students. Research on burnout in human service providers results in negative impacts on professionalism, well-being, and the future healthcare workforce. Previous research investigating strategies to combat burnout has demonstrated that resilience is a dominant explanation for recovery from burnout. There is limited data exploring how social support is used by medical students as a resource to cope with the demands of training. Considering that social support is one primary factor that contributes to resilience, it is important to understand the process …

Go to article

Nexuscapes: A Landscape Approach For A Transdisciplinary Water-Energy-Food Nexus Decision-Making Process, Fortino Acosta Dec 2022

Nexuscapes: A Landscape Approach For A Transdisciplinary Water-Energy-Food Nexus Decision-Making Process, Fortino Acosta

UNLV Theses, Dissertations, Professional Papers, and Capstones

This study develops a reliable transdisciplinary framework for complex ecological and social systems by characterizing, mapping, typifying, assessing, and testing enhanced water-energy-food nexus scenarios under critical time constraints, specialized skills, or sensitive data accessibility. Detached management of limited essential resources like fresh water, reliable energy from renewable sources, and nutritious food can jeopardize regional economies and governance. Using a novel landscape approach, this study recommends a decision-making the framework focused on the circular economy that induces collaboration among diverse sectors and brings strategic coordination, specificity, and magnitude to the proposed solutions. The study elaborates on a decision-making tool that integrates …

Go to article

Trace Element Behaviors During Igneous Evolution And Hydrothermal Alteration Of An Evolved Rhyolite, The Blawn Formation, Wah Wah Mountains, Utah: Implications For Critical Metal Abundances In Highly Evolved Rhyolites, Drew William Barkoff Dec 2022

Trace Element Behaviors During Igneous Evolution And Hydrothermal Alteration Of An Evolved Rhyolite, The Blawn Formation, Wah Wah Mountains, Utah: Implications For Critical Metal Abundances In Highly Evolved Rhyolites, Drew William Barkoff

UNLV Theses, Dissertations, Professional Papers, and Capstones

A-type rhyolites and granites often contain elevated concentrations of the rare earth elements (REE) and many other critical trace elements relative to I- and S-type rhyolites and granites. Their trace element-enriched nature makes them potentially prospective bulk tonnage, low-grade resources of the REE and many other critical trace elements, including Li, Be, Mo, Sn, and W, but little work has been performed to delineate their economic potential. The 22.1 Ma Red Beryl Rhyolite (RBR) and the 18.3 Ma Tetons Rhyolite (TR) units of the Blawn Formation represent two A-type rhyolite domes located in the southern Wah Wah Mountains of Utah. …

Go to article

Application Of Experimentally Calibrated Numerical Models For Prediction Of Composite Masonry Prism Strength, James Bristow Dec 2022

Application Of Experimentally Calibrated Numerical Models For Prediction Of Composite Masonry Prism Strength, James Bristow

UNLV Theses, Dissertations, Professional Papers, and Capstones

The composite masonry prism test is a common laboratory test to determine the compressive strength of a set of masonry prisms (f’mt) to verify that the composite masonry prism assembly, and more importantly, the constituent materials, are providing adequate strength. While constructing masonry structures, the subcontractors, designers, and inspectors rarely provide continuous supervision or inspection of the construction process. Accordingly, verification of grout mix design, mixed proportions, proper installation of blocks, placement of mortar, dimensions of joints, etc. are more traditionally performed on a periodic basis instead. However, through the use and review of the composite masonry prism test results, …

Go to article

A Mechanically Intelligent Hosing-Drone, Blake Hament Dec 2022

A Mechanically Intelligent Hosing-Drone, Blake Hament

UNLV Theses, Dissertations, Professional Papers, and Capstones

This manuscript presents a ”mechanically intelligent” approach to designing a Hosing-Drone for heavy-duty pressure washing. Spraying a hose creates strong reaction forces and torques. Previously demonstrated spraying robots are over-engineered to be very massive with huge inertias. These high inertias ”wash out” the reaction from the spraying. In the proposed approach, the contributions from all observable fluid dynamics, fluid structure interactions, and aerodynamics are studied individually and for the coupled system. Experimental data is collected and fit to dynamic models. These models are used to design a smaller, lighter, more agile vehicle than has been previously demonstrated. An impedance controller …

Go to article

Ukrainian Violin Sonata: Performance Analysis Of Sonatas For Violin And Piano By Naum Lapynsky And Mykola Silvansky, Oleksiy Hamov Dec 2022

Ukrainian Violin Sonata: Performance Analysis Of Sonatas For Violin And Piano By Naum Lapynsky And Mykola Silvansky, Oleksiy Hamov

UNLV Theses, Dissertations, Professional Papers, and Capstones

The history of the development of the genre of chamber and instrumental sonata in Ukraine as a bright and original phenomenon is very rich, but is understudied by researchers around the world. The data for this study was collected through analyzing sonatas for violin and piano written in the 20th century, in particular, the works by Viktor Kosenko (1896-1938), Borys Lyatoshynsky (1895-1968), Naum Lapynsky (1900-1960), Myroslav Skoryk (1938- 2020) and Mykola Silvansky (1916-1985). The fact that the performance features of the sonatas by Naum Lapynsky and Mykola Silvansky are studied for the first time in the Ukrainian musicology allows to …

Go to article

Effects Of Particle Size And Replacement Proportion Of Post-Consumer Glass In Concrete, Negasi Gebremichael Dec 2022

Effects Of Particle Size And Replacement Proportion Of Post-Consumer Glass In Concrete, Negasi Gebremichael

UNLV Theses, Dissertations, Professional Papers, and Capstones

Concrete, next to water, is the most used material (Gagg, 2014), which consumes natural or manufactured aggregates and resource-intensive cement. Concrete is also a more wasteful construction material than timber and steel. Depleting the natural resource due to aggregate extraction and the environmental unfriendliness of cement production have left the construction industry with no choice. Reducing waste, reusing, or recycling can help conserve natural resources. In this regard, the construction industry constantly seeks full or partial replacement of concrete aggregates and cement with recycled material. Glass is a candidate for replacing the three major components: cement, fine aggregate, and coarse …

Go to article

The Stability Of The Speech-To-Song Illusion And Individual Differences, Rodica R. Constantine Dec 2022

The Stability Of The Speech-To-Song Illusion And Individual Differences, Rodica R. Constantine

UNLV Theses, Dissertations, Professional Papers, and Capstones

Music and language are easily distinguishable for the average listener despite sharing many structural acoustic similarities. The Speech-to-Song illusion can give rise to both musical and linguistic percepts by inducing a perceptual switch after listening to multiple repetitions of a natural spoken utterance. As such, it has been used as a tool to control for low-level acoustic characteristics previously shown to drive lateralized brain responses regardless of domain-type, helping to disambiguate the contribution of high- versus low-level processes in both music and speech perception. However, there exists a lack of research on how large a role individual differences such as …

Go to article

Self-Reported Covid-19 Diagnosis And Severity And Its Association With Utilization Of And Delays In Needed Medical Care, Mohammad Hesam Alavi Dec 2022

Self-Reported Covid-19 Diagnosis And Severity And Its Association With Utilization Of And Delays In Needed Medical Care, Mohammad Hesam Alavi

UNLV Theses, Dissertations, Professional Papers, and Capstones

Covid-19, caused by the virus SARS-CoV-2, was declared a pandemic by the World Health Organization (WHO) on March 11, 2020. The pandemic-related disruptions and the pursuant lockdowns have adversely impacted every aspect of people’s lives including access to medical care, cancer care, preventive medicine, mental health, and dental care in an already imperfect healthcare system in the US. This study utilized the 2020 self-reported data from quarters 3 and 4 of the National Health Interview Survey, a cross-sectional interview survey by the Centers for Disease Control and Prevention, to determine the possible association of self-reported COVID diagnosis, test positivity, and …

Go to article

Covid-19 Isolation Compliance Among Students And Employees Of A Large Public University, Nicolette Harmon Dec 2022

Covid-19 Isolation Compliance Among Students And Employees Of A Large Public University, Nicolette Harmon

UNLV Theses, Dissertations, Professional Papers, and Capstones

Isolation has been used to prevent the spread of many infectious diseases including COVID-19. The CDC’s isolation recommendations have changed over the course of the COVID-19 pandemic, currently infected individuals must stay at home for 5 full days. The CDC cites low compliance rates as one of the reasons for the recent reduction to the number of days in isolation. However, the CDC could only cite studies from other countries due to the lack of studies on isolation compliance in the United States. This study aimed to determine what percentage of UNLV students and staff complied with the isolation guidelines …

Go to article

Markers Of Neuroinflammatory And Degenerative Processes In Professional Athletes With Traumatic Encephalopathy Syndrome, Brooke Conway Kleven Dec 2022

Markers Of Neuroinflammatory And Degenerative Processes In Professional Athletes With Traumatic Encephalopathy Syndrome, Brooke Conway Kleven

UNLV Theses, Dissertations, Professional Papers, and Capstones

Introduction: The clinical criteria for Traumatic encephalopathy syndrome (ccTES) were developed to improve the diagnosis of Chronic traumatic encephalopathy (CTE). This study aimed to determine whether there was an association between a clinical diagnosis of Traumatic encephalopathy syndrome (TES) and changes in serum biomarkers, balance, neuroimaging, and cognition among athletes in the Professional Athletes Brain Health Study (PABHS).Methods: Of the cohort, 130 professional fighters met age or retirement criteria and went to a consensus conference, with 52 fighters (40%) meeting the criteria for TES. A generalized linear model with generalized estimating equations was utilized to assess the odds of disease …

Go to article

Estimation Of The Parameters In A Mixture Of Two Normal Distributions And The Generalized Pivotal Quantity Method, Md Faruk Hossain Dec 2022

Estimation Of The Parameters In A Mixture Of Two Normal Distributions And The Generalized Pivotal Quantity Method, Md Faruk Hossain

UNLV Theses, Dissertations, Professional Papers, and Capstones

A pivotal quantity is a random variable that is a function of both the random data and the unknown population parameters and whose probability distribution does not depend on any of the unknown parameters. The population parameters here may include nuisance parameters. Historically, pivotal quantities have been used for the construction of test statistics for hypothesis testing of some of these unknown parameters. They have also been used for the construction of confidence intervals for some of these parameters.Generalized pivotal quantities (GPQ) were introduced by Tsui and Weerahandi (1989) and Weerahandi (1993). A GPQ is a function, not only of …

Go to article

Salesperson-Customer Dyads In The Casino Gaming Industry: How Sales Competencies And Relationship Lifecycles Influence Customer Satisfaction And Account Profitability, Alicia Lechtenberger Dec 2022

Salesperson-Customer Dyads In The Casino Gaming Industry: How Sales Competencies And Relationship Lifecycles Influence Customer Satisfaction And Account Profitability, Alicia Lechtenberger

UNLV Theses, Dissertations, Professional Papers, and Capstones

Developing extraordinary relationships between sales personnel and customers is essential to corporate success. To meet the increasing demands of customers within the hospitality industry, corporations must ensure they pair customers with salespeople who are highly competent, possessing refined and adaptable skill sets that directly increase customer satisfaction and account profitability. Corporations spend billions of dollars annually on hiring and training salespeople; yet, salespeople often quit or miss their quota targets. Considering this industry-wide business problem, the purpose of this dissertation study was to determine how sales competencies influence customer satisfaction and account profitability while taking into consideration the duration of …

Go to article

Characterization Of The Isothermal Titration Calorimetry Single Injection Method Using T4 Polynucleotide Kinase As A Model System For Kinases, Rebecca Chaehee Lim Dec 2022

Characterization Of The Isothermal Titration Calorimetry Single Injection Method Using T4 Polynucleotide Kinase As A Model System For Kinases, Rebecca Chaehee Lim

UNLV Theses, Dissertations, Professional Papers, and Capstones

Kinases are an important class of enzymes involved in the regulation of different cellular processes. The dysfunctional activity, either hyperactivity or inactivity, of kinases has been associated with many types of diseases, making kinases a major therapeutic target. As of 2020, more than 80 kinase inhibitors have been FDA-approved and have revolutionized the treatment for progressive disorders such as cancers and Alzheimer's diseases. However, there is always the possibility of developing severe side effects or resistance to drugs so the search for new therapeutics must continue with efficiency and accuracy.Isothermal titration calorimetry (ITC) is a state-of-the-art technique specialized in detecting …

Go to article

Use Of Healthcare Utilization Records For Analyzing Trends In Clinical Toxoplasmosis: A Comparison Of Nevada And The United States, Elijah Kreutzer Dec 2022

Use Of Healthcare Utilization Records For Analyzing Trends In Clinical Toxoplasmosis: A Comparison Of Nevada And The United States, Elijah Kreutzer

UNLV Theses, Dissertations, Professional Papers, and Capstones

Toxoplasmosis, a zoonotic disease caused by the parasitic protist Toxoplasma gondii, is a ubiquitous, global public health concern with a wide variety of clinical manifestations. Surveillance for the disease is lacking even in developed countries, and what surveillance is present most often focuses on pregnant women. This research investigated trends in clinical toxoplasmosis in Nevada and nationally to address the lack of knowledge concerning how Nevada discharges compare to national discharges in cases of toxoplasmosis. Specifically, this research sought to determine what characterizes toxoplasmosis in Nevada across inpatient, outpatient, and emergency department settings, as well as how these cases differ …

Go to article

Dimensionality Of Natural Auditory Scene Perception: A Factor Analysis Study, Margaret A. Mcmullin Dec 2022

Dimensionality Of Natural Auditory Scene Perception: A Factor Analysis Study, Margaret A. Mcmullin

UNLV Theses, Dissertations, Professional Papers, and Capstones

Theories of auditory and visual scene analysis suggest the perception of scenes relies on the identification and segregation of objects within it, resembling a detail-oriented processing style, but it is possible that a global-oriented process also occurs while evaluating auditory scenes. There is evidence for global properties that enable rapid recognition of visual scenes, even without recognizing the individual objects comprising the scene. It is our understanding that a similar line of research has not been explored in the auditory domain; therefore, we evaluated the contributions of high-level global and low-level acoustic information to auditory scene perception. A secondary aim …

Go to article

Dynamic Surface Tension Of Surfactants Through Separation Of Diffusion And Dilation Effects, Brandon Ortiz Dec 2022

Dynamic Surface Tension Of Surfactants Through Separation Of Diffusion And Dilation Effects, Brandon Ortiz

UNLV Theses, Dissertations, Professional Papers, and Capstones

Surfactants are biphilic monomers that adsorb to interfaces and have the ability to reduce interfacial tension. From this reduction in interfacial tension, surfactants are able to function as emulsifiers, detergents, and wetting agents among a variety of other things. Despite their ubiquity surfactants and surfactant behaviors, in particular those in highly dynamic environments, are not yet well characterized. In these environments, surfactants undergo significant distortions to droplet, bubble, and foam geometries which induce changes to the surface tension. This establishes a need to understand how surfactants respond to distortions of geometry through diffusion and dilational effects. To address this need, …

Go to article

Taxonomic And Physiological Insights Into Novel Bacterial Class Fervidibacteria, Nancy Nou Dec 2022

Taxonomic And Physiological Insights Into Novel Bacterial Class Fervidibacteria, Nancy Nou

UNLV Theses, Dissertations, Professional Papers, and Capstones

Recent studies incorporating cultivation-independent techniques to assess microbial communities, namely metagenomics and single-cell genomics, have pushed the proposed number of bacterial phyla from less than 50 to over 100. One such lineage is the candidate bacterial phylum Fervidibacteria, a strictly thermophilic group that has been identified in terrestrial geothermal springs in North America, Asia, and Antarctica through DNA sequencing. By analyzing 62 medium- and high-quality genomes and through cultivation-dependent experiments, this study serves to set up taxonomy and describe physiology within the taxon. Over the course of this study, we propose Candidatus Fervidibacteria should be reclassified as novel class Fervidibacteria …

Go to article

Mechanoelectrical Behavior In Polyvinyl Chloride (Pvc) Based Soft Polymer Gel Smart Sensors For Soft Robotic Applications, Justin Neubauer Dec 2022

Mechanoelectrical Behavior In Polyvinyl Chloride (Pvc) Based Soft Polymer Gel Smart Sensors For Soft Robotic Applications, Justin Neubauer

UNLV Theses, Dissertations, Professional Papers, and Capstones

Polyvinyl chloride (PVC) gels are a class of electroactive polymer that contain a PVC-based polymeric lattice and various amounts of plasticizer. PVC and plasticizer are industrially available and are commonly used in a wide range of applications including cable insulation, flexible hosing, and healthcare equipment. There are many plasticizer types available, some being extremely biocompatible with implementations in food-safe applications and even food additives for human consumption. Plasticizer weakly bonds to the long polymerized chains of the polymer lattice decreasing the modulus of the composite material. By adding excessive amounts of plasticizer, the bonding sites of these long carbon chains …

Go to article

Hunter-Gatherers In Context: Hadzabe People And Early Nutrition Transition, Trevor Pollom Dec 2022

Hunter-Gatherers In Context: Hadzabe People And Early Nutrition Transition, Trevor Pollom

UNLV Theses, Dissertations, Professional Papers, and Capstones

The current study utilizes a mixed-methods approach to investigate the processes that influence landcover change and nutrition transitions in the Lake Eyasi Basin area of Northern Tanzania. In doing so, it provides unique insights into the behavior and biology of Hadzabe foragers living in the Yaeda Valley during the early stages of nutrition transition and provides much needed context for scientific literature that has been derived from this region. The current study answers the following questions: 1) How can historical and ethnographic maps, combined with present-day landcover classifications, inform our understanding of the people(s), spaces, and places of Lake Eyasi? …

Go to article

Day ‘N’ Nite: Habitability Of Tidally Locked Planets With Sporadic Rotation, Cody James Shakespeare Dec 2022

Day ‘N’ Nite: Habitability Of Tidally Locked Planets With Sporadic Rotation, Cody James Shakespeare

UNLV Theses, Dissertations, Professional Papers, and Capstones

Tidally locked worlds provide a unique opportunity for constraining the climates of detected exoplanets. They are unique in that few exoplanet spin and obliquity states are known or will be determined in the near future. The TRAPPIST-1 exoplanet system has multiple habitable zone planets that, in the past, have been presumed to be tidally locked. However, a recent study shows the dynamical conditions present in the TRAPPIST-1 system make rotation and large librations possible spin states for these planets. I confirm the tendency for these planets to sporadically transition from tidally locked libration to slow rotation using N-body simulations independent …

Go to article

Bayesian Nonparametric Regression Models For Insurance Claims Frequency And Severity, Mostafa Shams Esfand Abadi Dec 2022

Bayesian Nonparametric Regression Models For Insurance Claims Frequency And Severity, Mostafa Shams Esfand Abadi

UNLV Theses, Dissertations, Professional Papers, and Capstones

The prediction of future insurance claims frequency and severity is one of the most important problems in actuarial science. Such predictions help the actuary set insurance premiums based on observed risk factors, or covariates. Accuracy of these predictions is important from the point of view of both the insurance company as well as the insured customer. Typically, actuaries use parametric regression models to predict claims based on the covariate information. Such models assume the same functional form tying the response to the covariates for each data point. These models are not flexible enough and fail to accurately capture at the …

Go to article

First Prev Next Last