• Finding and certifying numerical roots of systems of equations 

  Lee, Kisun (Georgia Institute of Technology, 2020-05-01)

  Numerical algebraic geometry studies methods to approach problems in algebraic geometry numerically. Especially, finding roots of systems of equations using theory in algebraic geometry involves symbolic algorithm which ...

• Small torsion generating sets for mapping class groups 

  Lanier, Justin Dale (Georgia Institute of Technology, 2020-04-27)

  A surface of genus g has many symmetries. These form the surface’s mapping class group Mod(S_g), which is finitely generated. The most commonly used generating sets for Mod(S_g) are comprised of infinite order elements ...

• EMERGENT BEHAVIOR IN COMPLICATED SYSTEMS: TINNITUS, SMARTICLES, AND METRONOMES 

  Jackson, Zachary Lawrence (Georgia Institute of Technology, 2020-04-22)

  Patterns of behavior can arise in many body systems that are qualitatively different than that of the individual elements. In this dissertation, we explore emergent behaviors through three different projects. The first is ...

• A comprehensive study of Titan's magnetic pile-up region during the Cassini era 

  Chen, Chen (Georgia Institute of Technology, 2020-04-28)

  While Saturn's largest moon Titan is devoid of an intrinsic magnetic field, draping of the giant planet's magnetospheric field around Titan's ionosphere generates a pile-up region at the moon's ramside. In this study, we ...

• MEASURING THE INFLUENCE OF AUTOMATION ON SITUATION AWARENESS IN HIGHLY AUTOMATED VEHICLES 

  Becerra, Zoe Marie (Georgia Institute of Technology, 2020-04-28)

  Higher levels of automation, such as adaptive cruise control (ACC) and automated lane keeping (ALK), are becoming more and more common in vehicles. With the inclusion of these automated features, the role of the driver is ...

• SEISMIC IMAGING WITH EXTENDED IMAGE VOLUMES AND SOURCE ESTIMATION 

  Yang, Mengmeng (Georgia Institute of Technology, 2020-04-25)

  Seismic imaging is an important tool for the exploration and production of oil & gas, carbon sequestration, and the mitigation of geohazards. Through the process of seismic migration, images of subsurface geological ...

• Numerical Estimates for Arm Exponents and the Acceptance Profile in Two-Dimensional Invasion Percolation 

  Li, Jiaheng (Georgia Institute of Technology, 2020-05-05)

  The main object of this thesis is to numerically estimate some conjectured arm exponents when there exist a number of open paths and closed dual paths that extend to the boundary of different sizes of boxes centering at ...

• Analysis of the Impact of a p53 Mutation in a Homogeneous Genetic Background 

  Karunakaran, Kirti A (Georgia Institute of Technology, 2020-04-21)

  In more than 50% of cancers, p53, a tumor suppressor gene involved cell cycle arrest and apoptosis, has been seen to be heavily mutated making it an important gene to study. There are several studies on p53 and its role ...

• The Multilevel Interplay of Team Health Culture, Department Health Culture, and Employee Health Motivation to Predict Health Behaviors and Job Satisfaction 

  Sabree, Justin Charles (Georgia Institute of Technology, 2020-04-09)

  To combat rising healthcare costs (WHO, 2018), organizations are focusing on strategies to improve employee health, such as creating a culture of health throughout the entire organization. Despite theories about organizations ...

• Interactions between reactive nitrogen and manganese: Implications for marine nitrous oxide cycling 

  Cavazos, Amanda Rae (Georgia Institute of Technology, 2020-04-25)

  Nitrous oxide (N2O) is a potent greenhouse gas that can destroy stratospheric ozone. Production and consumption of N2O has long been assumed to be controlled solely by nitrogen-metabolizing microbes. It has recently been ...

• The Maxwell-Pauli Equations 

  Kieffer, Thomas Forrest (Georgia Institute of Technology, 2020-03-19)

  We study the quantum mechanical many-body problem of N ≥ 1 non-relativistic electrons with spin interacting with their self-generated classical electromagnetic field and K ≥ 0 static nuclei. We model the dynamics of the ...

• Impact of Action-Object Congruency on the Integration of Auditory and Visual Stimuli in Extended Reality 

  May, Keenan Russell (Georgia Institute of Technology, 2020-03-24)

  Extended Reality (XR) systems are currently of interest to both academic and commercial communities. XR systems may involve interacting with many objects in three-dimensional space. The usability of such systems could be ...

• Climate change & the physiology, ecology, and behavior of coral reef organisms 

  Johnston, Nicole K (Georgia Institute of Technology, 2020-03-16)

  The magnitude of ocean acidification (OA) and warming predicted to occur within the next century could have significant negative effects for organisms that inhabit coral reefs. Our understanding of how these stressors will ...

• Effects of Probabilistic Flight-Route Risk Estimates for Enhanced Decisions (FRREED) on Aeronautical Weather-Hazard Decision-Making 

  Parmar, Sweta (Georgia Institute of Technology, 2020-03-31)

  A tool commonly used to aid the navigational decisions of pilots to avoid weather hazards is Next Generation Radar (NEXRAD), which provides information about geographically referenced precipitation. However, this tool is ...

• Leakage mitigation and correction techniques for topological surface codes 

  Brown, Natalie C. (Georgia Institute of Technology, 2020-03-16)

  A large scale quantum computer would be able to solve many problems that remain intractable for modern classical computers. In order to build such a machine, the quantum system must be protected from environmental influences ...

• Randomness as a tool for modeling and uncovering structure 

  Petti, Samantha N. (Georgia Institute of Technology, 2020-03-12)

  This thesis contains four main research directions, united by the themes of using randomness to (i) construct structure and (ii) uncover structure. Randomness has long been used for these tasks. Random models are defined ...

• Hypothesis-Guided Testing Behavior: The Role of Generation, Meta-Cognition, and Search 

  Illingworth, David Anthony (Georgia Institute of Technology, 2020-03-13)

  Hypothesis testing is the act of acquiring information to challenge or promote a decision-maker’s beliefs (i.e., hypotheses) in diagnostic tasks. To date, theorists have conceptualized this behavior as a consequence of ...

• Edge State Characterization of Epitaxial Graphene Nanoribbons and Modifications of the Electrical Structure of Buffer Graphene after Aluminum Oxide Deposition 

  Miettinen, Anna L. (Georgia Institute of Technology, 2020-02-11)

  Graphene attracted a great deal of public interest because of its novel electrical characteristics, structural integrity, high electron mobility, and most important for my work, it was shown to be a room temperature ballistic ...

• Geometric, Electronic and Optical Properties of Organic Charge Transfer Systems: Photovoltaic Blends and Donor-Acceptor Co-crystals 

  Ashokan, Ajith (Georgia Institute of Technology, 2020-04-03)

  Over the past two decades, π-conjugated organic molecules have found applications in the active layer of different types of organic electronic devices. To optimize and improve the performance of each of these devices, it ...

• Efficient alignment-free software applications for next generation sequencing-based molecular epidemiology 

  Espitia Navarro, Hector Fabio (Georgia Institute of Technology, 2020-01-09)

  Public health agencies increasingly couple next generation sequencing (NGS) characterization of microbial genomes with bioinformatics analysis methods for molecular epidemiology. The overhead associated with the bioinformatics ...

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