Now showing items 1140-1159 of 2985

    • Geometric On-line Ray Searching Under Probability of Placement Scenarios 

      Liu, Ying (University of Waterloo, 2010-09-28)
      Online computation is a model for formulating decision making under uncertainty. In an online problem, the algorithm does not know the entire input from the beginning; the input is revealed in a sequence of steps. At each ...
    • Geometric Ramifications of the Lovász Theta Function and Their Interplay with Duality 

      de Carli Silva, Marcel Kenji (University of Waterloo, 2013-08-30)
      The Lovasz theta function and the associated convex sets known as theta bodies are fundamental objects in combinatorial and semidefinite optimization. They are accompanied by a rich duality theory and deep connections ...
    • Geometrical Frustration and Static Correlations in a Simple Glass Former 

      Charbonneau, Benoit; Charbonneau, Patrick; Tarjus, Gilles (American Physical Society, 2012-01-18)
      We study the geometrical frustration scenario of glass formation for simple hard-sphere models. We find that the dual picture in terms of defects brings little insight and no theoretical simplification for the understanding ...
    • Geometrical frustration and static correlations in hard-sphere glass formers 

      Charbonneau, Benoit; Charbonneau, Patrick; Tarjus, Gilles (American Institute of Physics, 2013-03-28)
      We analytically and numerically characterize the structure of hard-sphere fluids in order to review various geometrical frustration scenarios of the glass transition. We find generalized polytetrahedral order to be correlated ...
    • Geometry of convex sets arising from hyperbolic polynomials 

      Myklebust, Tor Gunnar Josefsson Jay (University of Waterloo, 2008-09-09)
      This thesis focuses on convex sets and convex cones defined using hyperbolic polynomials. We first review some of the theory of convex sets in $\R^d$ in general. We then review some classical algebraic theorems concerning ...
    • Gerber-Shiu analysis in some dependent Sparre Andersen risk models 

      Woo, Jae-Kyung (University of Waterloo, 2010-08-11)
      In this thesis, we consider a generalization of the classical Gerber-Shiu function in various risk models. The generalization involves introduction of two new variables in the original penalty function including the surplus ...
    • Gesture-Based Image Acquisition between Smartphone and Digital Signage 

      Ho, Jason Ching-Hsien (University of Waterloo, 2011-04-28)
      Mobile phones have formed a social network within the phone subscriber population by allowing the phone subscribers to exchange information. Nowadays, smartphones have been improved with a variety of functionalities, such ...
    • Gini-type measures of risk and variability: Gini shortfall, capital allocations, and heavy-tailed risks 

      Furman, Edward; Wang, Ruodo; Zitikis, Ricardas (Elsevier, 2017-10-01)
      We introduce and explore Gini-type measures of risk and variability, and develop the corresponding economic capital allocation rules. The new measures are coherent, additive for co-monotonic risks, convenient computationally, ...
    • Giving Meaning to Macros 

      Mennie, Christopher (University of Waterloo, 2004)
      With the prevalence of legacy C/C++ code, issues of readability and maintainability have become increasingly important. When we consider the problem of refactoring or migrating C/C++ code, we see the significant role ...
    • Global land use and the future of sustainable consumption: projections of a coupled social-land use model 

      Pal, Saptarshi (University of Waterloo, 2020-09-10)
      Throughout history, agricultural land use activities have shaped the environment and its inhabitants. Humans have sought to maintain their well-being for centuries by finding revolutionary ways to produce and gather food. ...
    • Global Land Use Implications of Dietary Trends 

      Rizvi, Sarah; Pagnutti, Chris; Fraser, Evan; Bauch, Chris T.; Anand, Madhur (Cold Spring Harbor Laboratory, 2017-09-28)
      Global food security and agricultural land management represent two urgent and intimately related challenges that humans must face. We quantify the changes in the global agricultural land footprint if the world were to ...
    • Global land use implications of dietary trends 

      Rizvi, Sarah; Pagnutti, Chris; Fraser, Evan; Bauch, Chris T.; Anand, Madhur (PLOS One, 2018-08-08)
      Global food security and agricultural land management represent two urgent and intimately related challenges that humans must face. We quantify the changes in the global agricultural land footprint if the world were to ...
    • gLOP: A Cleaner Dirty Model for Multitask Learning 

      Rose, Rhiannon (University of Waterloo, 2014-08-22)
      Multitask learning (MTL) was originally defined by Caruana (1997) as "an approach to inductive transfer that improves learning for one task by using the information contained in the training signals of other related tasks". ...
    • Goldberg's conjecture is true for random multigraphs 

      Haxell, Penny; Krivelevich, Michael; Kronenberg, Gal (Elsevier, 2019-09)
      In the 70s, Goldberg, and independently Seymour, conjectured that for any multigraph G, the chromatic index χ′(G) satisfies χ′(G) ≤ max{∆(G)+1,⌈ρ(G)⌉}, where ρ(G) = max\{\frac {e(G[S])}{\lfloor|S|/2\rfloor} \mid S\subseteq ...
    • Gradual C Programming for Typed Lua 

      Turas, Rafi (University of Waterloo, 2019-01-22)
      The work presented in this thesis deals with the problem of enhancing the performance of dynamically-typed programming languages by integrating features from statically-typed programming languages. Statically-typed languages ...
    • A Gradual Non-Convexation Penalty Method for Minimizing VaR 

      Xi, Jiong (University of Waterloo, 2012-05-08)
      This thesis investigates the portfolio optimization problem using Value-at-Risk (VaR) as a risk measure, when m sample scenarios are given. Minimizing VaR of a portfolio is computationally difficult: it is non-convex, ...
    • Gradual Pluggable Typing in Java 

      Brotherston, Daniel, Scott (University of Waterloo, 2016-04-27)
      Gradual typing provides the ability to safely mix untyped or dynamically typed code with statically typed code while maintaining, within the statically typed portion, the guarantees claimed by the static typing. It is ...
    • Graph C*-algebras and the Abelian Core 

      Eifler, Kari (University of Waterloo, 2016-08-26)
      We may associate to a C*-algebra to the directed graph E by associating edges to partial isometries and vertices to pairwise orthogonal Hilbert spaces which satisfy some additional conditions. Such graph algebras were first ...
    • Graph Coverings with Few Eigenvalues or No Short Cycles 

      Levit, Maxwell (University of Waterloo, 2023-05-18)
      This thesis addresses the extent of the covering graph construction. How much must a cover X resemble the graph Y that it covers? How much can X deviate from Y? The main statistics of X and Y which we will measure are their ...
    • Graph Editing to a Given Neighbourhood Degree List is Fixed-Parameter Tractable 

      Subramanya, Vijay (University of Waterloo, 2016-10-26)
      Graph editing problems have a long history and have been widely studied, with applications in biochemistry and complex network analysis. They generally ask whether an input graph can be modified by inserting and deleting ...

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