Digital Commons Network^™

Quantum Multi-Solution Bernoulli Search With Applications To Bitcoin’S Post-Quantum Security, Alexandru Cojocaru, Juan Garay, Fang Song, Petros Wallden

Computer Science Faculty Publications and Presentations

A proof of work (PoW) is an important cryptographic construct which enables a party to convince other parties that they have invested some effort in solving a computational task. Arguably, its main impact has been in the setting of cryptocurrencies such as Bitcoin and its underlying blockchain protocol, which have received significant attention in recent years due to its potential for various applications as well as for solving fundamental distributed computing questions in novel threat models. PoWs enable the linking of blocks in the blockchain data structure, and thus the problem of interest is the feasibility of obtaining a sequence …

Dan Wilkinson And Molly Lappe, Clarinet, May 1, 2023 [Program], University Of Northern Iowa. School Of Music.

Music Recital Programs

Program of a music recital given by faculty, students, or guest artists from the School of Music at the University of Northern Iowa.

New Horizons Band Spring Concert, May 1, 2023 [Program], University Of Northern Iowa. School Of Music.

Music Recital Programs

Program of a music recitals given by faculty, students, or guest artists from the School of Music at the University of Northern Iowa.

Development Of A Unified Personal And Commercial Residential Hurricane Vulnerability Model Including Sensitivity And Uncertainty Studies, Roberto Vicente Silva De Abreu

Theses and Dissertations

As the population and properties in the state of Florida increase, there is an increase in hurricane losses. Hurricane winds and debris can impact the exterior components of a building envelope. The envelope breaches and defects of these components provide a pathway to hurricane wind-driven rain into the building, which causes interior and contents damage. Loss models, such as the Florida Public Hurricane Loss Model (FPHLM), estimate hurricane insured losses for portfolios of buildings. The vulnerability component of the FPHLM has a personal residential module (PR), for single family homes, and a commercial residential module (CR-LR), for apartment buildings. They …

Waste Biomass-Derived Ultraporous Functionalized Superactivated Hydrochars For Hydrogen Storage And Carbon Capture, Al Ibtida Sultana

Theses and Dissertations

Accelerating world population and simultaneous growth in economic race has resulted in parallel rise of waste generation where the necessity of mitigating the climate change, via transitioning towards a clean energy economy and minimization of greenhouse gas from atmosphere, is in urgent need of attention. Hence, the objectives of this dissertation comprised of firstly upcycling waste biomass into low-cost and effective adsorbent material such that, secondly, its surface could be tailored by modulating its synthesis conditions (hydrothermal carbonization and chemical activation) to be developed into ultraporous and functionalized adsorption medium in order to, thirdly, assess its application as adsorbents for …

Integrated Stem And Literacy, Reannon Ray

Curriculum and Instruction Undergraduate Honors Theses

Elementary teachers around the U.S. struggle with teaching engineering for two main reasons: feeling uncomfortable with the content and budgeting enough time for STEM without taking time away from other subject material (Lopez & Gregory, 2015). This has caused an emphasis on generic reading and writing skills rather than discipline-specific literacy skills (Lopez & Gregory, 2015) in elementary classrooms. The purpose of this project was to develop a children’s book that included discipline-specific literacy skills and integrated science, technology, engineering, and mathematics (STEM) content. The children’s book uses a relatable main character that goes through the engineering design process to …

Lesbian, Gay, Bisexual, Transgender, Queer (Lgbtqia+) Health Disparities In Sexual Health And Sexual Education, Cole T. Mcbride

Curriculum and Instruction Undergraduate Honors Theses

Background: Comprehensive sex education instills knowledge and promotes the health of all youth, however, most sex education remains heteronormative. School-based programs in the United States (US) emphasize monogamous, heterosexual relationships. In 2021, only 7.4% of students received sex education that included positive representations of both LGB and transgender people and nonbinary topics, while 72% of programs across the US omit LGBTQ+ topics. Most new HIV diagnoses occur in gay and bisexual men aged 13-34, but the sex education environment for this group is increasingly hostile as more states prohibit addressing these topics in public schools.

Purpose: The purpose …

The Utilization Of Recorded Read Alouds By Teachers In Kindergarten Through Sixth Grade, Kira Hart

Curriculum and Instruction Undergraduate Honors Theses

In March of 2020, schools in the United States turned to virtual instruction due to the COVID-19 pandemic. Recorded read alouds flooded the internet during this time (Shedrow & Stoetzel, 2021). Now that school is back in person, the internet remains full of these recorded read alouds. The purpose of this study is to examine the utilization of recorded read alouds as an instructional practice by kindergarten through sixth grade teachers within in-person classrooms. This study also determines whether the use of a recorded read aloud by teachers has changed following COVID-19 and the purposes recorded read alouds serve. Research …

Polyamory - The Multiple Complexities Of Multiple Partners, Vianna Isbister

Electronic Theses and Dissertations

This study is an exploration of the relationship between polyamory and how polyamorous people communicate about their relationship dynamics. Drawing from six individual interviews and one focus group, the author compares key language that appears in previous research to the language created by the study participants. Utilizing grounded theory for the analysis, results indicate that the language choices of sexual identity, sexual orientation, and/or relationship model are not sufficient for singularly encompassing a poly experience. Findings indicate that individuals who identify under the umbrella of consensual non-monogamy (CNM) may use the term "polyamory" to describe their own relationship dynamic or …

Basement Tricks, Alyssa Findley

Arts & Sciences Graduate Student Theses and Dissertations

No abstract provided.

Nero's Alexandrian Coinage: The Olympic Series Of 66/67 And 67/68 Ce And Its Achaean Context, Samantha Doleno

Arts & Sciences Graduate Student Theses and Dissertations

Emperor Nero's coinage is considered by some to be the height of artistic innovation, strongly influenced by his own philhellenism. This can especially be seen in his Alexandrian coinage, which minted an unprecedented amount of coinage at the end of his reign. The overall purpose of this thesis is to explore why the Olympic series, a series of billon tetradrachms minted in 66/67 and 67/68 CE and thought to commemorate Nero’s victories in Greece, was minted, despite Alexandria not being affected by Nero’s journey to Greece. I will argue that the Olympic series was minted as a philhellenic connection to …

Lady Killers: Depictions Of Gendered Subjective Violence In Audition, Alexandra Rigby

Arts & Sciences Graduate Student Theses and Dissertations

This thesis will examine the depiction of Asami as a female antagonist figure in the 2001 film adaptation of the novel Audition directed by Miike Takashi and adapted from the 1997 novel of the same name by Japanese horror author Murakami Ryū. By considering the differences in her original portrayal and how the language of film changes the presentation of Murakami’s female antagonist, this project aims to analyze how Murakami and the directors who choose to adapt his works approach depicting acts of violence committed by women in a genre inundated with male-coded violence against female-coded characters. The existing framework …

O Observatory: Poems, Abbey Frederick

Arts & Sciences Graduate Student Theses and Dissertations

No abstract provided.

Faszination Mond – Das Mondmotiv In Der Deutschsprachigen Gegenwartslyrik Vor Dem Hintergrund Seiner Literarischen Tradition, Lara-Mareen Foerster

Arts & Sciences Graduate Student Theses and Dissertations

This master thesis explores the moon motif in contemporary poetry in relation to its literary history. Contemporary poetry is understood as poetry after the fall of the Berlin Wall in 1989. My research seeks to provide an overview of the moon motif in German contemporary literature where hitherto only scholarship on Durs Grünbein has considered the importance of the moon motif. Therefore, this work taxonomically explores the functions of the moon motif in general instead of aiming at a close reading of selected poems. I am taking a stance against the notion that the moon motif and the fascination for …

Subgroup Identification Via Interaction Tree And Mixed Model For Repeated Measures With Application To Alzheimer’S Disease, Zhichen Xu

Arts & Sciences Graduate Student Theses and Dissertations

No abstract provided.

Adapting Radically Open Dialectical Behavior Therapy (Ro-Dbt) For Adolescents: Preliminary Testing Of Mechanisms Of Change, Molly Fennig

Arts & Sciences Graduate Student Theses and Dissertations

Background: Overcontrol is a phenotype characterized by inflexibility, perfectionism, and a need for control or structure, which increases risk for disorders such as anorexia nervosa, social anxiety, and obsessive-compulsive disorder. Given high comorbidity and limited efficacy of current treatments for these disorders, Radically Open Dialectical Behavior Therapy for adolescents (RO DBT-A) attempts to improve outcomes by targeting overcontrol as a transdiagnostic mechanism. This study aimed to test preliminary efficacy of telehealth-delivered RO DBT-A in targeting overcontrol as a mechanism of psychopathology in a heterogeneous clinical sample. Method: Participants were female adolescents (ages 13-21; 83% white; 80% non-Hispanic/Latino) who presented with …

Transdiagnostic Predictors Of Everyday Functioning: Examining The Relationships Of Depression And Reinforcement Learning, Nada Dalloul

Arts & Sciences Graduate Student Theses and Dissertations

Background and Hypothesis. Identifying the factors contributing to functional deficits in psychotic disorders is essential to developing effective interventions. To address gaps in the literature, the current study had several goals: examine whether there are differential relationships across domains of neurocognition and function, assess whether reinforcement learning is related to function, identify how and if predictors of function are transdiagnostic, determine whether depression and positive symptoms contribute to function, and to further explore whether the modality of assessing function impacts the observed relationships. Study Design. We examined the neurocognitive and symptomatic predictors of individual functional domains across three measures …

Synthesis, Sintering, And Electronic Conductivity Studies Of Medium- And High-Entropy Perovskite Oxides, Sai Ram Gajjala

Dissertations

The application of the entropy concept to stabilize oxide systems opens the possibility of discovering new materials with unique structural and functional properties. High-entropy alloys and oxides, which are based on the entropy stabilization concept and composed of multi-principal elements, have the potential to tailor structural and functional properties to meet specific needs. The study of lanthanum-based perovskite materials that benefit from the entropy stabilization approach is a promising area of research.However, the inherent randomness of multi-principal elements presents new challenges, making it difficult to predict their behavior. To understand these difficulties, we have initiated a methodical investigation of La-based …

A Research On Automatic Hyperparameter Recommendation Via Meta-Learning, Liping Deng

Dissertations

The performance of classification algorithms is mainly governed by the hyperparameter configurations deployed. Traditional search-based algorithms tend to require extensive hyperparameter evaluations to select the desirable configurations during the process, and they are often very inefficient for implementations on large-scale tasks. In this dissertation, we resort to solving the problem of hyperparameter selection via meta-learning which provides a mechanism that automatically recommends the promising ones without any inefficient evaluations. In its approach, a meta-learner is constructed on the metadata extracted from historical classification problems which directly determines the success of recommendations. Designing fine meta-learners to recommend effective hyperparameter configurations efficiently …

Essays On Risk Preferences, Altruism, And Life Events, Fitri Safira

Dissertations

In this applied microeconomics dissertation, we study the effect of religiosity and life events on risk preferences and how happiness affect altruism. We begin with the first chapter by examining the relationship between high-risk health behavior and religiosity. Religious beliefs can impact an individual's behavior, including their future health. The 2021 CDC analyses shows that sexually transmitted infections (STIs) are still common, with an estimated 1 in 5 people in the US having an STI, and 13% of persons in the US with age 12 years old and above consuming any illicit drugs. We estimate the effect of religiosity on …

Deficiency Of Adipose Aryl Hydrocarbon Receptor Protects Against Diet-Induced Metabolic Dysfunction Through Sexually Dimorphic Mechanisms, Nazmul Haque

Dissertations

Calorie imbalance due to high energy intake vs. expenditure is considered a major cause of obesity. Molecular mechanisms underlying diet-induced obesity remain unclear due to the complexity of disease progression. The impact of environmental factors contributing to obesity also remains poorly understood. Activation of the xenobiotic sensor, aryl hydrocarbon receptor (AhR), by obesogens may contribute to diet-induced obesity. AhR has the potential to influence lipid metabolism, insulin resistance, and the development of diabetes. Activation of AhR increases the risk of metabolic dysfunction by impairing adipose tissue function. Thus, the hypothesis was that conditional AhR depletion specifically from mature adipose tissue …

Oiko-Logic In Literature, Elias Joshua Taylor

Dissertations

My study utilizes ecocriticism, eco-Marxism, and posthumanism to discover how the sympathetic practices of both reading and ecology provide us with what I call an oiko-logic. Specifically, I read Jonathan Swift’s Gulliver’s Travels, Laurence Sterne’s Tristram Shandy, Herman Melville’s Moby-Dick, and John Williams’ Butcher’s Crossing. In Gulliver’s Travels we see Gulliver as an ecological threat in every journey, and Swift says that this is because we forget ourselves and deliberately choose to not attune—sometimes even choosing destruction. For Swift, we bungle things no matter which system we try, and we create degenerative devolution despite the fact that we can help. …

Security Research For Blockchain In Smart Grid, Lanqin Sang

Dissertations

Smart grid is a power supply system that uses digital communication technology to detect and react to local changes for power demand. Modern and future power supply system requires a distributed system for effective communication and management. Blockchain, a distributed technology, has been applied in many fields, e.g., cryptocurrency exchange, secure sharing of medical data, and personal identity security. Much research has been done on the application of blockchain to smart grid. While blockchain has many advantages, such as security and no interference from third parties, it also has inherent disadvantages, such as untrusted network environment, lacking data source privacy, …

Modeling And Visualization Of Competing Escalation Dynamics: A Multilayer Multiagent Network Approach, Josh Allen

Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research

Recent advances in military technology, such as hypersonic missiles, which can travel at more than five times the speed of sound and descend quickly into the atmosphere, give world nuclear superpowers a new edge. These advances up the game for nuclear superpowers with an extremely rapid, intense burst of military striking capability to secure upfront gains before encountering potentially overwhelming military confrontation. However, this so-called fait accompli has not been systematically studied by the United States in the perspective of the escalation philosophies of nuclear power competitors, or the mathematical modeling and visualization of multi-modal escalation dynamics. This gap may …

Subjected: Investigating The Impact Of Mesh Terms On Underrepresented Groups, Lorin Jackson, Jamia Williams, Kelleen Maluski, Alexis Ellsworth-Kopkowski

Posters and Presentations

No abstract provided.

Multi-Factor Disturbance Regimes Drive Soil Fungal Community Composition Across A Southwestern Us Riparian Cottonwood Landscape, Rich Wagner

Biology ETDs

In southwestern US riparian cottonwood forests, anthropogenic changes have replaced the structuring force of seasonal flooding with novel multi-factor disturbance regimes, driving these ecosystems to new states. While the impetus for restoration is high, little attention has been paid to understanding belowground feedbacks from these new drivers. Using high-throughput sequencing of environmental DNA, we compared the impacts of fires, exotic plants, restoration practices and lower levels of disturbance on soil fungal community composition and diversity across a riparian cottonwood landscape in New Mexico. We focused on mycorrhizal fungi for the benefits they may confer upon cottonwoods. We found that along …

Assessment Of Interpersonal Communication Skills For Provision Of Reference Services In Academic Libraries, Kogi State, Nigeria: A Study Of Tertiary Institutions In Kogi State, Nigeria, Agunsoye Florence Bosede

Library Philosophy and Practice (e-journal)

The study dwells on the assessment of interpersonal communication skills for the provision of reference services in academic libraries in Kogi State, Nigeria. The study covered eight tertiary institutions in the State. Five research questions in line with the objective of the study were formulated to guide the study. The study adopted a descriptive survey research design. The population of the study consists of all professional and para-professional librarians in tertiary Institutions in Kogi State. However, a simple random sampling technique was used in selecting fifteen (15) library personnel each from the eight (8) tertiary institutions in Kogi state to …

The Practice Of Mobile Learning In The Digital Age: A Case Study For U.G Students, Durgapur, W.B, India., Debdas Mondal

Library Philosophy and Practice (e-journal)

Abstract:

The objective of the study is to probe into the mobile reading habit in the digital era: a case study of Under Graduate Students at Durgapur Government College (D.G.C) and Michael Madhusudan Memorial College (M.M.M.C) of the steel city Durgapur. In the latter half of the 21^st century smartphone has emerged as a book of globalization and enhanced the making of the global world, technologically revolutionizing the social and economic structure of the countries. The life and livelihood of people everywhere have undergone a massive change due to the influx of mobile phones in day-to-day life.

Awareness And Adoption Of Mobile Technology-Based Library Services In Federal Polytechnics In Southwest Nigeria, Tunde Idris Yusuf, Omotayo Jimoh Jimoh

Library Philosophy and Practice (e-journal)

The paper examines the awareness and adoption of mobile technology-based library services in Federal Polytechnic in Southwest Nigeria. To achieve the set objectives, the study adopted descriptive survey with a mixed method that is quantitative and qualitative approaches. The targeted population for the study was registered users for 2021/2022 and 2022/2023 academic sessions of Federal Polytechnics in Southwest Nigeria. The sample size for the study was 390 registered users which represented 10% of the student’s population and 10 library staff was justified by the recommendation made by Nwana (1992). The convenience sampling technique was be used. The data were analysed …

Role Of Public Libraries For The Enhancement Of Socio-Economic Conditions Of Shershabadia Community At Chachanda And Loharpur Mouza, Samserganj Block In Murshidabad District., Md Soleman Pharcy

Library Philosophy and Practice (e-journal)

No abstract provided.