Browsing University of Waterloo by Title
Now showing items 14064-14083 of 18803
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Public Spaces of Tehran; Official Repression, Subversive Alternative
(University of Waterloo, 2013-05-21)The idea of democracy, in Western societies is inseparable from the public space. As an accessible space for all, public space provides a realm for everyday activities, social interaction, communication, and the practice ... -
Public Transportation Electrification with the Support of Mobile Energy Storage
(University of Waterloo, 2023-05-24)In recent decades, fossil fuels and carbon emissions reduction have become an increasingly popular global phenomenon; therefore, a number of governments worldwide have allocated substantial funds to transportation ... -
Public Willingness to Pay for Water Quality Improvements in the Great Lakes Basin Before and During Covid-19
(University of Waterloo, 2023-05-15)Economic valuation of water quality improvements is an essential input to inform policy and decision-making towards sustainable watershed management. The economic values provide important insight in the wide variety of ... -
Pulse Flow Enhancement in Two-Phase Media
(University of Waterloo, 2001)This laboratory project has been done to evaluate pressure pulsing as an Enhanced Oil Recovery (EOR) technique. To perform the study, a consistent laboratory methodology was developed, including the construction of a ... -
Pulsed Active Steering Hardware in the Loop Experiment
(University of Waterloo, 2009-09-25)Active safety vehicle systems are continuously being researched to make vehicles safer to drive. Active steering is a new active safety system that involves controlling the vehicle steering angle during the vehicle's loss ... -
Pulsed Biosparging of the E10 Gasoline Source in the Borden Aquifer
(University of Waterloo, 2008-10-27)Air sparging is a technique used to remediate gasoline contamination. In sparging, air is injected below the target zone and removes contamination via two separate mechanisms; volatilization and biodegradation. In ... -
Pulsed Nd:YAG Laser Processing of Nitinol
(University of Waterloo, 2011-04-08)The excellent pseudoelasticity, shape memory and biocompatibility of Nitinol have made it a leading candidate for applications in various fields, including aerospace, micro-electronics and medical devices. Challenges ... -
Pulsing Territories, Perpetual Frontiers
(University of Waterloo, 2015-08-11)The construction of the Ngurah Rai International Airport in Bali in 1969 facilitated the birth of mass tourism on the island, as well as an increasing concentration of tourist-centered developments. As the tourism industry ... -
Punching Shear Retrofit Method Using Shear Bolts for Reinforced Concrete Slabs under Seismic Loading
(University of Waterloo, 2008-04-10)Reinforced concrete slab-column structures are widely used because of their practicality. However, this type of structures can be subject to punching-shear failure in the slab-column connections. Without shear reinforcement, ... -
Punching Shear Retrofit of Concrete Slab-Column Connections with GFRP Shear Bolts
(University of Waterloo, 2008-09-24)Over the life span of a structure it may become necessary to retrofit, or strengthen certain components or elements. This may be due to construction errors, changes in use and occupancy, or changes due to material ... -
PUPy: A Generalized, Optimistic Context Detection Framework
(University of Waterloo, 2021-04-28)In modern life, the usage of smart devices like smartphones and laptops that allow for access to information, communication with friends and colleagues and other indispensable services has become ubiquitous. People have ... -
Pure Pairs VI. Excluding an Ordered Tree.
(Society for Industrial and Applied Mathematics Journal on Discrete Mathematics, 2022-01)A pure pair in a graph G is a pair (Z1,Z2) of disjoint sets of vertices such that either every vertex in Z1 is adjacent to every vertex in Z2, or there are no edges between Z1 and Z2. With Maria Chudnovsky, we recently ... -
Pure pairs. I. Trees and linear anticomplete pairs
(Elsevier, 2020-12-02)The Erdős-Hajnal conjecture asserts that for every graph H there is a constant c > 0 such that every graph G that does not contain H as an induced subgraph has a clique or stable set of cardinality at least |G|c. In this ... -
Pure pairs. II. Excluding all subdivisions of a graph
(Springer Nature, 2021-06-01)We prove for every graph H there exists ɛ > 0 such that, for every graph G with |G|≥2, if no induced subgraph of G is a subdivision of H, then either some vertex of G has at least ɛ|G| neighbours, or there are two disjoint ... -
Pure pairs. III. Sparse graphs with no polynomial-sized anticomplete pairs
(Wiley, 2020-11)A graph is H-free if it has no induced subgraph isomorphic to H, and |G| denotes the number of vertices of G. A conjecture of Conlon, Sudakov and the second author asserts that: - For every graph H, there exists ∈ > 0 ... -
Pure pairs. IV. Trees in bipartite graphs.
(Elsevier, 2023-07)In this paper we investigate the bipartite analogue of the strong Erd˝os-Hajnal property. We prove that for every forest H and every τ with 0 < τ ≤ 1, there exists ε > 0, such that if G has a bipartition (A,B) and does not ... -
Pure Pairs. IX. Transversal Trees
(Society for Industrial and Applied Mathematics, 2024)Fix k>0, and let G be a graph, with vertex set partitioned into k subsets ("blocks") of approximately equal size. An induced subgraph of G is "transversal" (with respect to this partition) if it has exactly one vertex in ... -
Pure Pairs. V. Excluding Some Long Subdivision.
(Springer, 2023-06-16)A \pure pair" in a graph G is a pair A;B of disjoint subsets of V (G) such that A is complete or anticomplete to B. Jacob Fox showed that for all " > 0, there is a comparability graph G with n vertices, where n is large, ... -
Pure pairs. VII. Homogeneous submatrices in 0/1-matrices with a forbidden submatrix
(Elsevier, 2023-07)For integer n>0, let f(n) be the number of rows of the largest all-0 or all-1 square submatrix of M, minimized over all n x n 0/1-matrices M. Thus f(n)=O(log n). But let us fix a matrix H, and define fH(n) to be the same, ... -
Pure pairs. X. Tournaments and the strong Erdos-Hajnal property.
(Elsevier ScienceDirect, 2024-01)A pure pair in a tournament G is an ordered pair (A;B) of disjoint subsets of V (G) such that every vertex in B is adjacent from every vertex in A. Which tournaments H have the property that if G is a tournament not ...