Browsing Waterloo Research by Title
Now showing items 2311-2330 of 2464
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Transient episodes of mild environmental oxygenation and oxidative continental weathering during the late Archean
(American Association for the Advancement of Science, 2015-11-20)It is not known whether environmental O2 levels increased in a linear fashion or fluctuated dynamically between the evolution of oxygenic photosynthesis and the later Great Oxidation Event. New rhenium-osmium isotope data ... -
Transition to light-like trajectories in thin shell dynamics
(Elsevier, 2018-11)It was recently shown that a massive thin shell that is sandwiched between a flat interior and an exterior geometry given by the outgoing Vaidya metric becomes null in a finite proper time. We investigate this transition ... -
Transitional care programs: who is left behind? A systematic review
(Ubiquity Press, 2012-09-01)Objective: Older adults are at risk of rehospitalization if their care transitions from hospital-to-home are not properly managed. The objective of this review was to determine if older patient populations recruited for ... -
Transitive-closure-based model checking (TCMC) in Alloy
(Springer, 2020-01-03)We present transitive-closure-based model checking (TCMC): a symbolic representation of the semantics of computational tree logic with fairness constraints (CTLFC) for finite models in first-order logic with transitive ... -
“Transport Me Away”: Fostering Flow in Open Offices through Virtual Reality
(ACM, 2020-04-21)Open offices are cost-effective and continue to be popular. However, research shows that these environments, brimming with distractions and sensory overload, frequently hamper productivity. Our research investigates the ... -
Transport of chloride and deuterated water in peat: The role of anion exclusion, diffusion, and anion adsorption in a dual porosity organic media
(Elsevier, 2019-08)The dual-porosity structure of peat and the extremely high organic matter content give rise to a complex medium that typically generates prolonged tailing and early 50% concentration breakthrough in the breakthrough curves ... -
Transverse Feedback Linearization with Partial Information for Single-Input Systems
(SIAM, 2014-09-25)This paper is motivated by the problem of asymptotically stabilizing invariant sets in the state space of control systems by means of output feedback. The sets considered are smooth embedded in submanifolds and the class ... -
Treating Cell Culture Media with UV Irradiation against Adventitious Agents: Minimal Impact on CHO Performance
(Wiley, 2014-10-01)Sterility of cell culture media is an important concern in biotherapeutic processing. In large scale biotherapeutic production, a unit contamination of cell culture media can have costly effects. Ultraviolet (UV) irradiation ... -
Tree independence number I. (Even hole, diamond, pyramid)-free graphs
(Wiley, 2024-04-24)The tree‐independence number tree‐α, first defined and studied by Dallard, Milanič, and Štorgel, is a variant of treewidth tailored to solving the maximum independent set problem. Over a series of papers, Abrishami et al. ... -
Trends in youth cannabis use across cannabis legalization: Data from the COMPASS prospective cohort study
(Elsevier, 2021-06)Canada legalized recreational cannabis use for adults on October 17, 2018 with decision-makers emphasising the need to reduce cannabis use among youth. We sought to characterise trends of youth cannabis use before and after ... -
Triangle-free graphs that do not contain an induced subdivision of K4 are 3-colorable
(Wiley, 2019-10)We show that triangle-free graphs that do not contain an induced subgraph isomorphic to a subdivision of K4 are 3-colorable. This proves a conjecture of Trotignon and Vušković. -
Triangle-free graphs with no six-vertex induced path
(Elsevier, 2018-08)The graphs with no five-vertex induced path are still not understood. But in the triangle-free case, we can do this and one better; we give an explicit construction for all triangle-free graphs with no six-vertex induced ... -
Triangular Epistolary Diplomacy with Rome from Judas Maccabee to Aristobulos I
(Société Latomus, Brussels, 2020-05-18)Scholarly opinions tend to converge towards accepting that Roman commitment to Judaea was very limited: sources attesting treaties of friendship and alliance are either seen as fabricated or not reflecting the real ... -
Triangular Operator Algebras and Simultaneous Triangularisation
(American Mathematical Society, 2023)We consider the question of whether every collection of compact operators that is contained in a triangular operator algebra (in the sense of Kadison and Singer) must be simultaneously triangularisable. The answer is shown ... -
Truncation selection and diffusion on random graphs
(Arxiv, 2017-08-31)Two-strategy evolutionary games on graphs have been extensively studied in the literature. A variety of graph structures, degrees of graph dynamics, and behaviours of replicators have been explored. These models have ... -
Tunable covalent organic framework electrochemiluminescence from non-electroluminescent monomers
(Elsevier, 2021-10)It is hard to find new electrochemiluminescence (ECL) luminophores using existing research strategies, especially from ECL non-active monomers. Here, fully conjugated covalent organic frameworks with trithiophene (BTT-COFs) ... -
Tunnel Divisions: Interactive Sound Mapping of Transitory Public Spaces
(ACM, 2016-11-06)We present Tunnel Divisions, an interactive musical installation designed for ephemeral interaction in public spaces. Informed by concepts from cultural and media studies along with existing literature on interactive public ... -
Tweets and transitions: Exploring Twitter-based political discourse regarding energy and electricity in Ontario, Canada
(Elsevier, 2021-02-01)The article explores how Twitter data can inform the study of the socio-political dimensions of sustainability transitions. Twitter is a widely used microblogging platform that allows users to share short comments, media, ... -
Two centuries of nitrogen dynamics: Legacy sources and sinks in the Mississippi and Susquehanna River Basins
(American Geophysical Union, 2017-01-07)Global flows of reactive nitrogen (N) have increased significantly over the last century in response to agricultural intensification and elevated levels of atmospheric deposition. Despite widespread implementation conservation ... -
Two Pb2+-specific DNAzymes with opposite trends in split-site-dependent activity
(Royal Society of Chemistry, 2014-05-04)By splitting the catalytic core of DNAzymes into two halves, two Pb2+-specific DNAzymes retain partial activity, while they show opposite trends of activity as a function of the split site, revealing important nucleotides ...