Now showing items 238-257 of 2590

    • Biologically Plausible Neural Learning using Symmetric Predictive Estimators 

      Xu, David (University of Waterloo, 2016-08-04)
      A predictive estimator (PE) is a neural microcircuit hypothesized to explain how the brain processes certain types of information. They participate in a hierarchy, passing predictions to lower layers, which send back ...
    • Biologically Plausible, Human-scale Knowledge Representation 

      Crawford, Eric (University of Waterloo, 2014-08-22)
      Several approaches to implementing symbol-like representations in neurally plausible models have been proposed. These approaches include binding through synchrony, mesh binding, and tensor product binding. Recent theoretical ...
    • BioSpec: A Biophysically-Based Spectral Model of Light Interaction with Human Skin 

      Krishnaswamy, Aravind (University of Waterloo, 2005)
      Despite the notable progress in physically-based rendering, there is still a long way to go before we can automatically generate predictable images of biological materials. In this thesis, we address an open problem in ...
    • Bipartite Distance-Regular Graphs of Diameter Four 

      Huang, Junbo (University of Waterloo, 2014-08-11)
      Using a method by Godsil and Roy, bipartite distance-regular graphs of diameter four can be used to construct $\{0,\alpha\}$-sets, a generalization of the widely applied equiangular sets and mutually unbiased bases. In ...
    • Bitemporal Sliding Windows 

      Ge, Chang (University of Waterloo, 2014-04-29)
      The bitemporal data model associates two time intervals with each record - system time and application time - denoting the validity of the record from the perspective of the database and of the real world, respectively. ...
    • Black Hole to White Hole Quantum Tunnelling 

      Clements, Kate Elizabeth Alexandra (University of Waterloo, 2019-08-26)
      In this thesis, we explore the proposal that near the end of its lifetime, a Schwarzschild black hole will undergo a quantum transition into a 'white hole': an object which is precisely the time-reversal of the black hole. ...
    • The Black-Scholes and Heston Models for Option Pricing 

      Ye, Ziqun (University of Waterloo, 2013-05-22)
      Stochastic volatility models on option pricing have received much study following the discovery of the non-at implied surface following the crash of the stock markets in 1987. The most widely used stochastic volatility ...
    • A Blueprint for Semidefinite Relaxations of Binary-Constrained Quadratic Programs Computing tight bounds on NP-hard problems using ADMM 

      Graham, Naomi (University of Waterloo, 2020-12-18)
      This thesis looks at the solution techniques of two NP-hard, large scale problems, the quadratic assignment problem, QAP, and the side chain positioning, SCP, problem. We summarize existing approaches from and look at the ...
    • Bohmian Trajectories of the Two-Electron Helium Atom 

      Timko, Jeff (University of Waterloo, 2008-01-17)
      We introduce the de Broglie-Bohm causal interpreation of quantum mechanics and compare it to the standard interpretation of quantum mechanics, the Copenhagen interpretation. We examine the possibility of experimentally ...
    • Boneh-Boyen Signatures and the Strong Diffie-Hellman Problem 

      Yoshida, Kayo (University of Waterloo, 2009-01-22)
      The Boneh-Boyen signature scheme is a short signature scheme which is provably secure in the standard model under the q-Strong Diffie-Hellman (SDH) assumption. The primary objective of this thesis is to examine the ...
    • BotChase: Graph-Based Bot Detection Using Machine Learning 

      Abou Daya, Abbas (University of Waterloo, 2019-05-21)
      Bot detection using machine learning (ML), with network flow-level features, has been extensively studied in the literature. However, existing flow-based approaches typically incur a high computational overhead and do not ...
    • Bounded Control of the Kuramoto-Sivashinsky equation 

      Al Jamal, Rasha (University of Waterloo, 2013-10-25)
      Feedback control is used in almost every aspect of modern life and is essential in almost all engineering systems. Since no mathematical model is perfect and disturbances occur frequently, feedback is required. The design ...
    • Bounded Rationality Alters The Dynamics Of Paediatric Immunization Acceptance 

      Oraby, Tamer; Bauch, Chris T. (Nature Publishing Group, 2015-06-02)
      Interactions between disease dynamics and vaccinating behavior have been explored in many coupled behavior-disease models. Cognitive effects such as risk perception, framing, and subjective probabilities of adverse events ...
    • Bounds on Aggregate Assets 

      Jiang, Xiao (University of Waterloo, 2014-01-23)
      Aggregating financial assets together to form a portfolio, commonly referred to as "asset pooling", is a standard practice in the banking and insurance industries. Determining a suitable probability distribution for this ...
    • Bounds on Maximum Matchings in 1-Planar Graphs 

      Wittnebel, John (University of Waterloo, 2019-01-29)
      In this thesis, we study lower bounds on maximum matchings in 1-planar graphs. We expand upon the tools used for proofs of matching bounds in other classes of graphs as well as some original ideas in order to find these ...
    • Branched Covering Constructions and the Symplectic Geography Problem 

      Hughes, Mark Clifford (University of Waterloo, 2008-08-15)
      We apply branched covering techniques to construct minimal simply-connected symplectic 4-manifolds with small χ_h values. We also use these constructions to provide an alternate proof that for each s ≥ 0, there exists a ...
    • Brick Generation and Conformal Subgraphs 

      Kothari, Nishad (University of Waterloo, 2016-04-15)
      A nontrivial connected graph is matching covered if each of its edges lies in a perfect matching. Two types of decompositions of matching covered graphs, namely ear decompositions and tight cut decompositions, have played ...
    • BridgeSPA: A Single Packet Authorization System for Tor Bridges 

      Smits, Rob (University of Waterloo, 2012-01-10)
      Tor is a network designed for low-latency anonymous communications. Tor clients form circuits through relays that are listed in a public directory, and then relay their encrypted traffic through these circuits. This ...
    • Bridging Technical Spaces: Model Translation from TA to XMI and Back Again 

      Hildebrand, Kristina (University of Waterloo, 2006)
      There are many different techniques and notations for extracting architecturally interesting information from the source code of existing software systems. This process is known as reverse engineering. One current ...
    • Brownian Dynamics Simulation of Dusty Plasma: Comparison with Generalized Hydrodynamics 

      Upadhyaya, Nitin (University of Waterloo, 2010-04-14)
      Brownian dynamics (BD) simulation method has been widely used for studying problems in dispersed systems, such as polymer solutions, colloidal suspensions and more recently, complex (dusty) plasmas. The main problem addressed ...


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