Browsing Mathematics (Faculty of) by Title
Now showing items 2275-2294 of 2994
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Realizing Surface Driven Flows in the Primitive Equations
(University of Waterloo, 2014-08-27)The surface quasi-geostrophic (SQG) model describes the evolution of buoyancy at vertical boundaries in the limit of infinitesimal Rossby number. In this regime, the quasi-geostrophic approximations are expected to hold. ... -
Realizing surface driven flows in the primitive equations
(American Meteorological Society, 2015-05)The surface quasigeostrophic (SQG) model describes flows with surface buoyancy perturbations with no interior quasigeostrophic potential vorticity at small Rossby number Ro and O(1) Burger number, where quasigeostrophic ... -
Reasoning about Benefits and Costs of Interaction with Users in Real-time Decision Making Environments with Application to Healthcare Scenarios
(University of Waterloo, 2010-08-11)This thesis examines the problem of having an intelligent agent reasoning about interaction with users in real-time decision making environments. Our work is motivated by the models of Fleming and Cheng, which reason about ... -
Reasoning About Foreign Function Interfaces: Blame and Nondeterministic Formal Semantics
(University of Waterloo, 2018-08-31)Foreign function interfaces (FFIs) are commonly used as a way to mix programming languages. In such systems, a program written in a host language calls functions written in a guest language from within the same program. ... -
Recipes for Resistance: A Censorship Circumvention Cookbook
(University of Waterloo, 2018-08-16)The increasing centralization of Internet infrastructure and web services, along with advancements in the application of machine learning techniques to analyze and classify network traffic, have enabled the growth and ... -
Recognizing Even-Cycle and Even-Cut Matroids
(University of Waterloo, 2016-04-27)Even-cycle and even-cut matroids are classes of binary matroids that generalize respectively graphic and cographic matroids. We give algorithms to check membership for these classes of matroids. We assume that the matroids ... -
Recognizing Structural Nonidentifiability: When Experiments Do Not Provide Information About Important Parameters and Misleading Models Can Still Have Great Fit
(Wiley, 2020-02)In the quest to model various phenomena, the foundational importance of parameter identifiability to sound statistical modeling may be less well appreciated than goodness of fit. Identifiability concerns the quality of ... -
Recommender Systems for Personalized Gamification
(ACM, 2017-07-09)Gamification has been used in a variety of application domains to promote behaviour change. Nevertheless, the mechanisms behind it are still not fully understood. Recent empirical results have shown that personalized ... -
Recommending messages to users in participatory media environments: a Bayesian credibility approach
(University of Waterloo, 2014-04-09)In this thesis, we address the challenge of information overload in online participatory messaging environments using an artificial intelligence approach drawn from research in multiagent systems trust modeling. In particular, ... -
Reconfiguring Graph Colorings
(University of Waterloo, 2017-08-29)Graph coloring has been studied for a long time and continues to receive interest within the research community \cite{kubale2004graph}. It has applications in scheduling \cite{daniel2004graph}, timetables, and compiler ... -
Reconfiguring Triangulations
(University of Waterloo, 2015-01-06)The results in this thesis lie at the confluence of triangulations and reconfiguration. We make the observation that certain solved and unsolved problems about triangulations can be cast as reconfiguration problems. We ... -
Reconstructing hv-convex polyominoes with multiple colours
(University of Waterloo, 2009-08-26)This thesis examines the problem of reconstructing multiple discrete 2D objects, represented by a set of cells arranged in an m × n grid, from their projections. The objects being constructed are disjoint, hv-convex ... -
Reconstruction and Visualization of Polyhedra Using Projections
(University of Waterloo, 2005)Two types of problems are studied in this thesis: reconstruction and visualization of polygons and polyhedra. <br /><br /> Three problems are considered in reconstruction of polygons and polyhedra, given a set of ... -
Reconstruction of Half-Sibling Population Structures
(University of Waterloo, 2012-10-25)Half-sibling reconstruction is the task of determining maternal and paternal sibling relationships from observed genotypes of same-generation individuals in a population. Knowledge of how populations are structured allows ... -
Reconstruction of Orthogonal Polyhedra
(University of Waterloo, 2008-02-20)In this thesis I study reconstruction of orthogonal polyhedral surfaces and orthogonal polyhedra from partial information about their boundaries. There are three main questions for which I provide novel results. The ... -
Recovery Guarantees for Graph Clustering Problems
(University of Waterloo, 2021-12-06)Graph clustering is widely-studied unsupervised learning problem in which the task is to group similar entities together based on observed pairwise entity interactions. This problem has applications in diverse domains such ... -
Recurrence in Algebraic Dynamics
(University of Waterloo, 2020-07-28)The Dynamical Mordell--Lang Conjecture states that if a polynomial orbit has infinite intersection with a closed set in an algebraic variety, then the intersection must occur periodically. Although this problem is unsolved ... -
Reducibility of operator semigroups and values of vector states
(Springer, 2017-08-01)Let S be a multiplicative semigroup of bounded linear operators on a complex Hilbert space H, and let Ω be the range of a vector state on S so that Ω = {⟨Sξ, ξ⟩ : S ∈ S} for some fixed unit vector ξ ∈ H. We study the ... -
Reducing Data Copying Overhead in Web Servers
(University of Waterloo, 2010-07-13)Web servers that generate dynamic content are widely used in the development of Internet applications. With the Internet highly connected to people’s lifestyles, the service requirements of Internet applications have ... -
Reducing Health Misinformation in Search Results
(University of Waterloo, 2022-08-22)People commonly search the web for answers to health-related questions. With health information being added to the Internet every day, misinformation proliferates and disseminates wildly. Previous work has shown that if ...