Digital Commons Network^™

Theory And Algorithms To Learn, Propagate, And Exploit Uncertainty For Stochastic Optimal Control Of Dynamical Systems, Vignesh Sivaramakrishnan

Electrical and Computer Engineering ETDs

Non-Gaussian uncertainty frequently arises in learning and control problems involving stochastic dynamical systems, particularly in autonomous vehicles, UAVs, satellites, and robotics. In this dissertation, we propose a new framework that leverages characteristic functions that provides a frequency-domain representation of random variables. The dissertation is structured into three key areas. First, we address model-based stochastic optimal control for linear systems with non-Gaussian noise, demonstrating that characteristic functions can be used to enforce chance constraints and control systems toward desired distributions. Second, we explore data-driven stochastic control, utilizing empirical characteristic functions to handle systems with unknown disturbances. In addition, we derive several …

The Re-Presentation And Mis-Re-Presentation Of The “Indigenous Woman” Throughout Mexico’S Colonial And Early Independence Periods (1521–1830), Alejandra Daosiri Rodriguez

Art & Art History ETDs

This research examines the visual and textual representations of Indigenous women in colonial New Spain and early independent Mexico (1521–1830), revealing how these images evolved alongside dynamic colonial political, social, and cultural shifts. Through an analysis of codices, portraits, and other material culture, this study demonstrates how colonial authorities, artists, and patrons manipulated these depictions to serve wider colonial agendas, from evangelization to social stratification. These representations often used Indigenous women as symbols, rather than as individual subjects, to reinforce hierarchical colonial structures, shape racial and gender identities, and support efforts to ‘civilize’ the native population. By focusing on pivotal …

Training Machine Learning Algorithms For The Transient Startup Of A Long-Life Modular Microreactor, Ahmad N. Shaheen

Nuclear Engineering ETDs

There is an increasing interest in developing and deploying small modular nuclear reactors (SMRs) and micro modular reactors (MMRs). They could be operated with minimal on-site personnel or remotely with a high degree of autonomy. This can be enabled through the use and application of Artificial Intelligence (AL) and Machine Learning (ML) algorithms and methods. The objective of the present work is to train machine learning algorithms for remote control mimicking the transient startup of the Very-Small, Long-LIfe, Modular (VSLLIM) microreactor. This walk-away safe microreactor design and a fully integrated transient model have been developed at the University of New …

Ge/Sige Quantum Wells: Material For The Post-Moore Era, Troy Alexander Hutchins-Delgado

Optical Science and Engineering ETDs

This dissertation demonstrates high-quality germanium quantum wells on a 200 mm silicon wafer platform, enabling novel device possibilities. Partnering with a commercial silicon-germanium epitaxy supplier, we obtained shallow, undoped germanium quantum wells with high-crystalline quality, confirmed through x-ray diffraction, secondary ion mass spectroscopy, high-resolution scanning transmission electron microscopy, and energy dispersive x-ray spectroscopy. Hall bar devices fabricated on single quantum wells revealed that surface preparation can tune transport properties while maintaining peak mobilities around 10⁵ cm²V⁻¹s⁻¹. Manganese-germanide spintronic contacts were integrated via solid-state reaction, with contact quality assessed through Schottky diodes, transfer length …

Language Use Of Emergent Bilingual Latino/A Students In A Music Class Setting, Karen G. Granados Dumais

Language, Literacy, and Sociocultural Studies ETDs

This study investigated the way in which emergent bilingual students utilize their linguistic repertoire in order to achieve new learning. Previous research has suggested that bilingual students learn differently than their monolingual counterparts due to their varying linguistic repertoires. Research has also suggested that translanguaging and culturally relevant teaching are valuable frameworks to adopt in the classroom, as they result in a better academic experience for all students.

I took an ethnographic approach while conducting a case study. I collected data in my elementary music classroom in the form of observations, audio recordings, and document analysis in order to help …

Using Practitioner Research To Improve An Instructor’S Practice In An Accelerated Developmental Reading And Writing Course, Pamela Herrington-Moriarty

Language, Literacy, and Sociocultural Studies ETDs

This dissertation study utilized practitioner research to analyze a developmental reading and writing course focused on an accelerated curriculum, problem-based learning, and a sociocultural perspective on academic literacy, which I taught at a community college. The study collected information-rich data from three students who participated in semi-structured interviews. This study applied the Framework for Success in Postsecondary Writing to analyze the course curriculum and resulted in recommended changes to three assignments based on the Framework for Success in Postsecondary Writing: (1) The Educational Autobiography, (2) the Summary Assignment, and (3) Letter Assignment, and four themes based on the student …

Soc-Based Control System Performance Analysis For Trapped-Ion Quantum Computing, Tiamike Dudley

Electrical and Computer Engineering ETDs

Scatter-gather dynamic-memory-access (SG-DMA) is utilized in applications that require high bandwidth and low latency data transfers between memory and peripherals, where data blocks, described using buffer descriptors (BDs), are distributed throughout the memory system. The data transfer organization and requirements of a Trapped-Ion Quantum Computer (TIQC) possess characteristics similar to those targeted by SG-DMA. In particular, the ion qubits in a TIQC are manipulated by applying control sequences consisting primarily of modulated laser pulses. These optical pulses are defined by parameters that are (re)configured by the electrical control system. Variations in the operating environment and equipment make it necessary to …

Human Impacts On Mammal Diversity From The Pleistocene To The Present, Carson P. Hedberg

Biology ETDs

Humans have fundamentally altered the planet’s biodiversity. It is critical to characterize these changes, but also to understand how they impact the structure and function of modern ecosystems. This dissertation investigates how anthropogenically mediated species losses and/or introductions influence ecological function and community structure in mammals across multiple temporal and spatial scales. We found that selective loss of large-bodied mammals over the Late Quaternary has led to severe losses in functional diversity in modern ecosystems, suggesting megafaunal mammals contribute distinct ecological functions. These changes to mammal diversity and distribution over millennia have altered both global patterns in functional diversity and …

Ambient Noise Tomography Of The Southern M9.2 1964 Great Alaska Earthquake Rupture Area, Joshua Ojuoluwa Osasona

Earth and Planetary Sciences ETDs

We used data from a densely spaced node array to investigate seismic velocity structure within the southern rupture area of the M9.2 1964 Great Alaska earthquake. The node array was deployed along a ~50 km section of the road system on Kodiak Island as part of the Alaska Amphibious Community Seismic Experiment (AACSE). The full ~400-node array was active for 25 days in May-June 2019. We extracted Rayleigh wave dispersion curves from ambient noise cross-correlations between station pairs in the node array to compute phase velocity maps from 2-8 s periods. Using these phase velocity maps, we performed a Bayesian …

Analyzing The Key Characteristics And Benefits Of Ccpr (Cold Central Plant Recycling) In Road Rehabilitation And Sustainability, Bassam Abou Yassine

Civil Engineering ETDs

Cold mix asphalt (CMA) technologies are being used in the United States and have environmental benefits. However, these technologies are not fully developed. We do not yet know their resilient and dynamic modulus, which are important for designing pavement thickness. They have not being used widely because we do not know also their performance. This study looks at three Cold Central Plant Recycling (CCPR) materials to help fill this gap. We conducted several lab tests, including the Hamburg Wheel Tracking Test (HWTT), Semi-Circular Bending Test (SCB), and Texas Overlay Test (TOT). We also tested the mechanical properties of the CCPR …

Scalable Methods For Performant Control Of Hyperfine Qubits In Atoms And Ions, Matthew N. H. Chow

Physics & Astronomy ETDs

Qubits encoded within internal energy levels of atoms and ions have been used to demonstrate high-performance primitives of quantum computing for small numbers of qubits. Yet, the path to achieving sufficient size and fidelity for useful fault-tolerant quantum computation remains daunting. In this dissertation, I present several techniques I developed as steps along this path. These results include high-fidelity, low-loss detection for alkali atoms in optical tweezers, crosstalk-mitigated parallel one-qubit gates, robust entangling gates on trapped ions, and leakage-to-erasure conversion for non-destructive detection of atom loss errors. Through this collection of techniques, I have sought to make full use of …

Pathways Of Participation: Community Engagement And Collaborative Adaptation In Disaster Contexts Across Diverse Environments, Ria Mukerji

Geography ETDs

This paper broadens the concept of effective community participation in disaster risk reduction by analyzing three case studies that emphasize unconventional, locally driven approaches. Using a multi-case study method, I examine forms of participation that challenge traditional top-down models and focus on local knowledge and community agency. In Ohkay Owingeh, New Mexico, a co-designed environmental data dashboard with Pueblo members demonstrates how integrating Indigenous knowledge can enhance disaster preparedness. The Soldados Dam case in Ecuador shows how power imbalances drive community stakeholders to become protestors, emphasizing the need for adaptive engagement to prevent conflict. In Pajaro, California, a marginalized community’s …

Things Fall(Ing) Apart: Deconstructing Humanism For History Teaching In A Posthumanist Society, Lou Ellis Brassington

Language, Literacy, and Sociocultural Studies ETDs

Abstract

This study is a reflective analysis of the discursive construction of the social studies and the teaching of history from medieval scholasticism, through Enlightenment humanism, and into our posthumanist landscape. As an exploration of the foundations of Western thought, with an emphasis on humanism as it has historically affected construction of the social studies, this investigation focuses on theorists, praxis, curriculum development, and teacher identity. My research examined the pedagogical and curriculum choices for the teaching of history along with the intersection of the humanities and humanism from the Enlightenment through the criticalities of the 20th century, and into …

Exploring How Funds Of Knowledge Is Utilized Among Teacher Educators In A Teacher Preparation Program Focusing On Arts Integration And Language Diversity, Gabrielle H. Pretto Ph.D

Teacher Education, Educational Leadership & Policy ETDs

In our current educational climate, teaching for social justice has become increasingly difficult. Teacher educators are faced with certification rules that prioritize test scores over teaching ability, scripted curriculums, and the limited understandings about differences related to culture, class, and race. This study examined how social justice teachings were sustained and enhanced through a Funds of Knowledge (FOK) learning approach. Case study was utilized and guided by the following research questions: (1) What are the FOK of teacher educators participating in the TEALi program? (2) In what ways are the FOK of teacher educators integrated or utilized in their university …

Deterministic Transport Of Coupled Energetic Light-Ions And Neutrons With Application To Inertial Confinement Fusion, Kyle Beling

Nuclear Engineering ETDs

Numerical simulations of an inertial confinement fusion (ICF) target during the implosion process require high fidelity models of the radiation transport process. This work is interested in the transport of high-energy light-ions and neutrons in a background ICF plasma. As these energetic particles slow down, they experience knock-on (recoil) and thermonuclear (TN) collisions with the light-ions in the background plasma. These recoil and TN collisions excite the background light-ions causing them to transport through the plasma further exciting background light-ions. Mathematically, this cascading effect is described as a system of linear Boltzmann transport equations coupled through recoil and TN collision …

Autonomous Coalition Formation For Energy Trading In Intelligent Grid Systems, Issiac Baca

Electrical and Computer Engineering ETDs

This paper introduces an interactive model and architectural framework for a smart grid system, emphasizing the prosumers dual roles as energy buyers and sellers within localized energy trading markets, i.e., coalitions. Initially, the utilities of both buyers and sellers are formulated to capture the benefits derived from their energy-related activities. Then, the paper presents the Approximate SMARTFORM (ASMARTFORM) mechanism, based on the principles of matching theory, to enhance the prosumers engagement in coalitions by addressing externalities influencing their decisions. To further improve the coalition formation process, the Accurate SMARTFORM (AccSMARTFORM) mechanism is formulated based on the theory of coalition games, …

Study Of The Efficacy Of Neural Mobilizations To Improve Sensory And Functional Responses Of Lower Extremities In Older Adults With Diabetic Peripheral Neuropathy Using Plithogenic N-Superhypergraphs, Lisbeth J. Reales-Chacón, María E. Lucena De Ustáriz, Francisco J. Ustáriz-Fajardo, Andrea C. Peñafiel Luna, Gabriela J. Bonilla-Ayala, Pablo Djabayan-Djibeyan, José L. Erazo-Parra, Mónica A. Valdiviezo-Maygua

Neutrosophic Sets and Systems

Diabetic Peripheral Neuropathy (DPN) is an aggravation of diabetes mellitus, which consists of ulcers and loss of sensitivity in the lower limbs. In its most severe stage, the person's limb may be amputated, which causes disability. This is a disease with multiple causes and whose treatment requires several so-lutions, including drug treatment, physiotherapy, and re-education of the person to change to a healthy lifestyle, if necessary, where the need for adequate nutritional habits appears. It is due to such complexity that we selected the Plithogenic n- SuperHyperGraph as a tool to represent the collected data, which were processed with the …

Antibacterial And Antifungal Properties Of Hedyosmum Cuatrecazanum Occhioni Essential Oil: A Promising Natural Alternative Studied Using Neutrosophic Superhypersoft Sets, María Eugenia Lucena De Ustáriz, Francisco Javier Ustáriz-Fajardo, Adriana Monserrath Monge Moreno, Adriana Isabel Rodríguez Basantes, Lisbeth Josefina Reales Chacón, Rosa Elisa Cruz Tenempaguay, Verónica Paulina Cáceres Manzano, Nathaly Kassandra Moscoso Moreno

Neutrosophic Sets and Systems

Antimicrobial resistance is a global public health issue that, exacerbated by inappropriate antibiotic use, leads to reduced bactericidal effects, multidrug resistance, increased medical costs, prolonged hospital stays, and higher mortality rates. This study evaluates the antibacterial and antifungal activity of the es-sential oil of Hedyosmum cuatrecazanum Occhioni against various clinically relevant bacterial and fungal strains. The essential oil was extracted by hydrodistillation, yielding a 0.26% extract. Its components were characterized by gas chromatography coupled with mass spectrometry (GC-MS). The results demonstrate that the essential oil exhibits significant antibacterial activity, comparable to commercial antibiotics. Hedyosmum cuatrecazanum oil showed the highest antibacterial …

A Neutrosophic Framework For Artificial Immune Systems, Antonios Paraskevas, Florentin Smarandache

Neutrosophic Sets and Systems

Artificial immune systems (AIS) draw inspiration from the mechanisms of the natural immune system. They extract ideas from the functioning of the natural immune system in order to use them to build computer models to solve real-world problems. While traditional AIS models mimic the biological immune system’s capacity to distinguish between self and non-self entities, they often face challenges in environments where data may be incomplete or ambiguous. In this paper we introduce neutrosophic AIS that includes degrees of truthiness, falsehood and indeterminacy to better address ambiguity within pattern recognition tasks. Within this neutrosophic framework we discuss and redefine main …

Assessment Of Academic Integrity In University Students Using A Hybrid Fuzzy-Neutrosophic Model Under Uncertainty, Lorenzo Cevallos-Torres, Roger Martínez, Rosangela Caicedo-Quiroz, Rosa Hernández-Magallanes, Douglas Iturburu-Salvador, Franklin Parrales-Bravo, Maikel Leyva-Vázquez

Neutrosophic Sets and Systems

This study presents a model based on a fuzzy-neutrosophic approach to evaluate the academic integrity of university students in the context of uncertainty. The central issue of the research lies in the abrupt transition from in-person education to virtual learning caused by the pandemic, which increased fraudulent behaviors in teaching and learning environments, making it difficult to determine the level of academic integrity among students in higher education institutions. To address this issue, variables related to dishonesty—motivation, justification, and opportunities—were analyzed. Three evaluation scenarios were conducted, yielding positive results. The proposed approach, based on fuzzy logic and neutrosophy, effectively measured …

Evaluation Of The Impact Of Government Audit On Quality Management, Based On Neutroalgebra Generated By The Prospector Function, Alexander Santos Silva Bernardo, Jeri Gloria Ramón Ruffner, David Sánchez Cruz, Patricia Padilla-Vento

Neutrosophic Sets and Systems

The present study focuses on the evaluation of the impact of government audit on quality management, using a novel approach based on the neutralalgebra generated by the PROSPECTOR function. The central question of the research lies in the need to improve the effectiveness of government audits to ensure more efficient and transparent quality management in public institutions. The relevance of this issue is accentuated in the current context, where the pressure to optimize government processes is crucial to guarantee efficiency and public responsibility. Although there are various studies on government auditing, a significant gap has been identified in the literature …

Neutrosophic Sets And Systems {Special Issue: Proceedings Of The International Conference Advances In Superhyperstructures And Applied Neutrosophic Theories, Universidad De Guayaquil, Ecuador, 28-29 November 2024} Vol. 74., Florentin Smarandache, Maikel Leyva-Vázquez

Neutrosophic Sets and Systems

Preface

Gender Gap In Sme Ownership: An Analysis Of Female Entrepreneurship In Santa Elena Canton, Ecuador, Using Treesoft Sets, Lorena Gisella Reyes Tomala, Lilia Esther Valencia Cruzaty, Arturo Gustavo Benavides Rodríguez, Jacqueline Del Rocío Bacilio Bejeguen

Neutrosophic Sets and Systems

The paper we present here is an approach to the problem of gender inequality in the artisanal production association called ASOPROMAHER, located in Santa Elena Canton, Ecuador. It is a pretext to address the issue and extrapolate it to the current situation of the entire country. Without a doubt, gender inequality persists in Ecuador today, including an important sphere of economic development in the country such as entrepreneurship in SMEs. There are multiple issues to address in this situation, ranging from psycho-logical, economic, social, cultural, and political issues. Each of these spheres is related to each other in a complex …

Impact Of Irrigation Water Technification On Seven Directories Of The San Juan-Patoa River Using Plithogenic N-Superhypergraphs Based On Environmental Indicators In The Canton Of Pujilí, 2021, Yenson Vinicio Mogro Cepeda, Marco Antonio Riofrío Guevara, Emerson Javier Jácome Mogro, Rachele Piovanelli Tizano

Neutrosophic Sets and Systems

The study analyzed interactions among economic, environmental, and sociocultural factors in agricul-tural irrigation systems to evaluate and promote integral sustainability, using the application of plitho-genic n-SuperHyperGraphs. Significant interactions between vertex attributes were identified during the study's development. Results highlighted that optimizing economic profitability, implementing ecologi-cal pest management, and fostering social cohesion are essential for improving system sustainability. It is concluded that an interdisciplinary approach is critical for achieving comprehensive agricultural sus-tainability, proposing an evaluative model adaptable to local settings to strengthen sector resilience. Ad-ditionally, the application of plithogenic n-SuperHyperGraphs provides a useful tool across various study areas for management and …

Neutrosophic Statistical Analysis Of Cardiovascular Disease Prevention From A Physical Culture In Urban Communities, Dennys Raúl Dupotey Hernández, Darvin Manuel Ramíerez Guerra

Neutrosophic Sets and Systems

The research presented here considers the educational potential of physical activities for disease preven-tion. Its objective is to elaborate a physical-educational intervention strategy for the prevention of cardio-vascular diseases in urban communities in the department of Cundinamarca, Colombia. The research was carried out in the municipalities of Funza, Fusagasugá Albán, and Supatá in the department of Cundinamarca in Colombia, based on the theoretical foundations of prophylactic and therapeutic phys-ical culture and related sciences for disease prevention. Theoretical, empirical, and mathematical-statistical scientific methods were applied. In addition, neutrosophic techniques were used to validate the study. The results indicate an adequate level …

English For Specific Purposes In The Medical Sciences To Strengthen The Professional Profile Of The Higher Education Medicine Student: A Knowledge Representation Using Superhypersoft Sets, Oswaldo Edison García Brito, Andrea Sofía Ribadeneira Vacacela, Carmen Hortensia Sánchez Burneo, Mónica Cecilia Jimbo Galarza

Neutrosophic Sets and Systems

The English language is an important added value for the professional profile of students in all higher education courses due to the demands of the current century, in which mastering more than one lan-guage is undoubtedly one of the preponderant skills to access better and more opportunities within the workplace, especially in careers such as medicine. Therefore, the curricular design and the implementa-tion of a program focused on the development of the linguistic skills of the future health professional is pertinent and necessary to strengthen their professional profile; not only in the discourse at the level of talks, congresses, training, …

Uncertain Automata And Uncertain Graph Grammar, Takaaki Fujita, Florentin Smarandache

Neutrosophic Sets and Systems

Graph theory has been widely studied, resulting in numerous applications across various felds. Among its many topics, Automata and Graph Grammar have emerged as signifcant areas ofresearch. This paper delves into these concepts, emphasizing their adaptation o uncertainframeworks likeFuzzy, Neutro- sophic, Vague, Turiyam Neutrosophic, and Plithogenic systems. By integrating uncertaintyinto traditional graph theoretical models, the paper aims to address ongoing researchchallengesand expand thescope of thesemodels.

Neutrosophic Analysis Of Strategies To Improve Productivity In An Restaurant Chain, Efrén Gonzalo Montenegro Cueva, Milena Alejandra Napa Alcívar

Neutrosophic Sets and Systems

The study analyzed productivity in an Ecuadorian restaurant chain using a multicriteria approach within a neu-trosophic framework. The research focused on identifying effective strategies to optimize processes and address-ing specific challenges such as staff turnover and compensation management. The TOPSIS method, combined with bipolar neutrosophic numbers, was employed to evaluate a group of strategies based on high-impact crite-ria. The results highlighted the implementation of economic incentives, training and retention programs, and performance management systems as the most effective alternatives. In contrast, internal communication cam-paigns and flexible schedules were found to be less prioritized. The research demonstrated the utility of neutro-sophic …

Applying Neutrosophic Natural Language Processing To Analyze Complex Phenomena In Interdisciplinary Contexts, Diego Fernando Coka Flores, Ignacio Fernando Barcos Arias, María Elena Infante Miranda, Omar Mar Cornelio

Neutrosophic Sets and Systems

The paper addresses the challenge of integrating natural language processing (NLP) with neutrosophic logic to solve problems where uncertainty, ambiguity, and indeterminacy play a critical role. This approach becomes particularly relevant in an increasingly digitalized world, where human-machine interaction requires a deeper understanding of linguistic and contextual nuances. Despite advances in conventional NLP, many existing methodologies lack tools to effectively manage undefined or contradictory elements present in real data. In this context, neutrosophic logic offers an innovative framework to model and analyze complex and multifaceted human perceptions. The study applies a methodology that combines advanced NLP techniques with neutrosophic analytical …

Application Of The Plithogenic Iadov Approach To Evaluate Satisfaction With The Implementation Of Indigenous Rights, Gıovanna Fernanda Vınueza Arroyo, Tanya Tupamara Camargo Martinez, Manuel Augusto Suarez Albıñol, Joffre R. Paladines Rodriguez

Neutrosophic Sets and Systems

The present study addresses a crucial challenge in the evaluation of complex systems: the need to incorporate a holistic view that contemplates not only defined elements but also those that are intrinsically ambiguous or uncertain. The research focuses on the application of the Plithogenic IADOV approach, a model based on neutrosophic logic, to overcome the limitations of traditional methodologies that often fall short when addressing phenomena containing contradictory or unknown dimensions. In the existing literature, despite the wealth of approaches used for the evaluation of systems, there is a perceived lack of methodologies that effectively manage the indeterminacy inherent in …