Now showing items 621-640 of 2985

    • Deformation theory of nearly G₂-structures and nearly G₂ instantons 

      Singhal, Ragini (University of Waterloo, 2021-08-30)
      We study two different deformation theory problems on manifolds with a nearly G₂-structure. The first involves studying the deformation theory of nearly G₂ manifolds. These are seven dimensional manifolds admitting real ...
    • Deformation-Driven Element Packing 

      Saputra, Reza Adhitya (University of Waterloo, 2020-12-11)
      A packing is an arrangement of geometric elements within a container region in the plane. Elements are united to communicate the overall container shape, but each is large enough to be appreciated individually. Creating a ...
    • Degree Spectra of Unary relations on ω and ζ 

      Knoll, Carolyn Alexis (University of Waterloo, 2009-08-13)
      Let X be a unary relation on the domain of (ω,<). The degree spectrum of X on (ω,<) is the set of Turing degrees of the image of X in all computable presentations of (ω,<). Many results are known about the types of degree ...
    • Degrees of Categoricity and the Isomorphism Problem 

      Mahmoud, Mohammad (University of Waterloo, 2019-06-12)
      In this thesis, we study notions of complexity related to computable structures. We first study degrees of categoricity for computable tree structures. We show that, for any computable ordinal $\alpha$, there exists a ...
    • A deletion–contraction relation for the chromatic symmetric function 

      Crew, Logan; Spirkl, Sophie (Elsevier, 2020-10)
      We extend the definition of the chromatic symmetric function XG to include graphs G with a vertex-weight function w : V (G) --> N. We show how this provides the chromatic symmetric function with a natural deletion-contraction ...
    • Democracy Enhancing Technologies: Toward deployable and incoercible E2E elections 

      Clark, Jeremy (University of Waterloo, 2011-06-09)
      End-to-end verifiable election systems (E2E systems) provide a provably correct tally while maintaining the secrecy of each voter's ballot, even if the voter is complicit in demonstrating how they voted. Providing voter ...
    • Deniable Key Exchanges for Secure Messaging 

      Unger, Nik (University of Waterloo, 2015-05-26)
      Despite our increasing reliance on digital communication, much of our online discourse lacks any security or privacy protections. Almost no email messages sent today provide end-to-end security, despite privacy-enhancing ...
    • Density and Structure of Homomorphism-Critical Graphs 

      Smith-Roberge, Evelyne (University of Waterloo, 2018-08-22)
      Let $H$ be a graph. A graph $G$ is $H$-critical if every proper subgraph of $G$ admits a homomorphism to $H$, but $G$ itself does not. In 1981, Jaeger made the following conjecture concerning odd-cycle critical graphs: ...
    • Dependence concepts and selection criteria for lattice rules 

      Taniguchi, Yoshihiro (University of Waterloo, 2014-01-24)
      Lemieux recently proposed a new approach that studies randomized quasi-Monte Carlothrough dependency concepts. By analyzing the dependency structure of a rank-1 lattice,Lemieux proposed a copula-based criterion with which ...
    • Dependence modeling for multi-type recurrent events via copulas 

      Lee, Jooyoung; Cook, Richard J. (Wiley, 2019-09-20)
      When several types of recurrent events may arise, interest often lies in marginal modeling and studying the nature of the dependence structure. In this paper, we propose a multivariate mixed-Poisson model with the dependence ...
    • Dependence of model energy spectra on vertical resolution 

      Waite, Michael L (American Meteorological Society, 2016-03)
      Many high-resolution atmospheric models can reproduce the qualitative shape of the atmospheric kinetic energy spectrum, which has a power-law slope of −3 at large horizontal scales that shallows to approximately −5/3 in ...
    • Dependence: From classical copula modeling to neural networks 

      Prasad, Avinash Srikanta (University of Waterloo, 2020-08-25)
      The development of tools to measure and to model dependence in high-dimensional data is of great interest in a wide range of applications including finance, risk management, bioinformatics and environmental sciences. The ...
    • A Dependency Tracking Storage System for Optimistic Execution of Serverless Applications 

      Singh, Suraj (University of Waterloo, 2022-12-20)
      Serverless computing has become an increasingly popular paradigm for building cloud applications. There has been a recent trend of building stateful applications on top of serverless platforms in the form of workflows ...
    • Derived Geometry and the Integrability Problem for G-Structures 

      McCormick, Anthony (University of Waterloo, 2017-08-24)
      In this thesis, we study the integrability problem for G-structures. Broadly speaking, this is the problem of determining topological obstructions to the existence of principal G-subbundles of the frame bundle of a manifold, ...
    • Design and Analysis of Life History Studies Involving Incomplete Data 

      Mao, Fangya (University of Waterloo, 2022-04-26)
      Incomplete life history data can arise in study designs, coarsened observations, missing covariates, and unobserved latent processes. This thesis consists of three different projects developing statistical models and ...
    • Design and Analysis of RC4-like Stream Ciphers 

      McKague, Matthew (University of Waterloo, 2005)
      RC4 is one of the most widely used ciphers in practical software applications. In this thesis we examine security and design aspects of RC4. First we describe the functioning of RC4 and present previously published ...
    • Design and Evaluation of a Presentation Maestro: Controlling Electronic Presentations Through Gesture 

      Fourney, Adam (University of Waterloo, 2009-11-09)
      Gesture-based interaction has long been seen as a natural means of input for electronic presentation systems; however, gesture-based presentation systems have not been evaluated in real-world contexts, and the implications ...
    • Design and Evaluation of Social CheatSheet: A Community-Curated Software Help Overlay 

      Vermette, Laton (University of Waterloo, 2017-08-15)
      Software users can often find it difficult to sift through dense help pages, tutorials, Q&A sites, blogs, and other resources, trying to locate useful task-specific instructions for the applications they use. We present ...
    • Design and Evaluation of Temporal Summarization Systems 

      Guttikonda, Rakesh (University of Waterloo, 2014-06-06)
      Temporal Summarization (TS) is a new track introduced as part of the Text REtrieval Conference (TREC) in 2013. This track aims to develop systems which can return important updates related to an event over time. In TREC ...
    • Design and Implementation of a Service Discovery and Recommendation Architecture for SaaS Applications 

      Sukkar, Muhamed (University of Waterloo, 2010-09-28)
      Increasing number of software vendors are offering or planning to offer their applications as a Software-as-a-Service (SaaS) to leverage the benefits of cloud computing and Internet-based delivery. Therefore, potential ...

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