University of Waterloo: Recent submissions
Now showing items 1-20 of 18952
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Dark Screening of the Cosmic Microwave Background with Hidden-Sector Particles and New Dynamical Observables in First Order Phase Transitions
(University of Waterloo, 2024-07-02)This thesis focuses on two research directions within the field of Cosmology. It comprises the main results of my work as a PhD student. Part~\ref{PartI} introduces new observables of false vacuum decay derived from real-time ... -
Characterizing water-health pathways and perceptions among diverse system actors in a rural Western Highlands community of Guatemala
(University of Waterloo, 2024-07-02)Background: Rural livelihoods in Latin America are disproportionately vulnerable to poor health outcomes from water risks. In the Western Highlands of Guatemala, rural communities face compounding issues such as geography ... -
Relatedness in memory and metamemory: Benefits, costs, and beliefs
(University of Waterloo, 2024-06-27)This dissertation examines the influence of semantic relatedness on both memory and metamemory. Related items tend to be better remembered than unrelated items in most memory tasks, and people are usually able to anticipate ... -
Rational Design of Engineered Porous Transition Metal-based Electrocatalysts for Rechargeable Zinc-air Batteries
(University of Waterloo, 2024-06-27)The adoption of primary zinc-air batteries (ZABs) for telecommunication and medical applications underscores their commercial viability. However, the progress of ZABs have been hindered by challenges associated with air ... -
Variational Quantum Computing: Optimization and Geometry
(University of Waterloo, 2024-06-27)Quantum computing potentially offers unprecedented computational capabilities that transcend the limitations of classical computing paradigms. Despite its conceptual inception over three decades ago, recent years have ... -
Hopf 2-Algebras: Homotopy Higher Symmetries in Physics
(University of Waterloo, 2024-06-26)The theory of Hopf algebras and quantum groups have led to very rich and interesting developments in both mathematics and physics. In particular, they are known to play crucial roles in the interplay between 3d topological ... -
Dynamics and phases of matter in open quantum many-body systems
(University of Waterloo, 2024-06-24)The thesis is divided into two parts, both focusing on the topic of open quantum many-body systems. The first part explores the properties of quantum circuits interspersed with measurements. Tuned by the frequency of ... -
Practical Application of Machine Learning to Water Pipe Failure Prediction
(University of Waterloo, 2024-06-24)As water networks age, many utilities are faced with rising water main break rates and insufficient replacement funds. Machine learning is a promising tool to support efficient water pipe replacement decisions. This ... -
Reallocation of Space for Outdoor Dining: An Analysis of COVID-19 Pandemic Outdoor Dining Policies and Perceptions in Ontario
(University of Waterloo, 2024-06-24)In recent years, the COVID-19 pandemic created disruptions in the restaurant industry. Consequently, cities in Ontario developed pandemic-induced patio policy with the goal of allowing restaurants to continue operation ... -
Synthesis and Characterization of Polymeric Sensing Materials for Detection of Gases in Energy Storage Devices
(University of Waterloo, 2024-06-21)The increasing popularity of portable electronic devices, electric vehicles, and smart grids has created a need for energy storage systems including battery technology with lithium-ion batteries (LIBs) being one of the ... -
A Novel Framework of Board-Level Failure Localization in Optical Transport Networks
(University of Waterloo, 2024-06-21)Optical transport networks (OTNs) serve as a pivotal role in Internet backbones thanks to their support for multi-tenant and multi-service environments with high reliability and low cost. A failure event may affect one or ... -
Robust NMPC of Large-Scale Systems and Surrogate Embedding Strategies for NMPC
(University of Waterloo, 2024-06-20)Non-linear model predictive control (NMPC) is a promising control algorithm due to its ability to deal with constrained multivariable problems. However, NMPC can be computationally expensive to solve due to its non-linear ... -
Measures for risk, dependence and diversification
(University of Waterloo, 2024-06-20)Two primary tasks in quantitative risk management are measuring risk and managing risk. Risk measures and dependence modeling are important tools for assessing portfolio risk, which have gained much interest in the literature ... -
On Enabling Layer-Parallelism for Graph Neural Networks using IMEX Integration
(University of Waterloo, 2024-06-20)Graph Neural Networks (GNNs) are a type of neural networks designed to perform machine learning tasks with graph data. Recently, there have been several works to train differential equation-inspired GNN architectures, ... -
The Association between Social Isolation, Functional Social Support, and Memory: A Moderated Mediation Analysis of the Canadian Longitudinal Study on Aging
(University of Waterloo, 2024-06-20)Social support is a widely investigated, modifiable factor thought to promote memory function and successful aging. However, the intertwined effects of the two components of social support – objective social isolation and ... -
Persistent Identifiers in Canada: ORCID Use Cases and a National PID Strategy
(Bibliometrics and Research Impact Community Conference, 2024-06-05)Research generates a huge amount of information across many disconnected systems and technologies. Persistent Identifiers (PIDs) act as labels to uniquely identify research information ‘entities,’ like scholars, ... -
Memolet: Reifying the Reuse of User-AI Conversational Memories
(University of Waterloo, 2024-06-19)As users engage more frequently with AI conversational agents, conversations may exceed their "memory" capacity, leading to failures in correctly leveraging certain memories for better responses. Therefore, users have to ... -
Stability Analysis and Formally Guaranteed Tracking Control of Quadrotors
(University of Waterloo, 2024-06-19)Reach-avoid tasks are among the most common challenges in autonomous aerial vehicle (UAV) applications. Despite the significant progress made in the research of aerial vehicle control during recent decades, the task of ... -
Additively Manufactured Low-frequency Piezoelectric Energy Harvester Design: Modeling, Fabrication, And Experiment
(University of Waterloo, 2024-06-19)With conventional energy sources like fossil fuels becoming increasingly scarce and the widespread adoption of electric vehicles placing growing demands on lithium, the primary material in battery manufacturing, there is ... -
Impact of Incorporating Corporate Sustainability into the Credit Risk Assessment of Nigerian Banks
(University of Waterloo, 2024-06-19)Nigeria, a developing country with the largest economy in Africa, has a significant sustainable development (SDG) funding gap, and the banking sector has been identified as a collaborator in closing this gap through asset ...