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Fall 2012
Enterprises must manage their information risk as part of their larger operational risk management program. Traditionally, IT security investment decisions are made in isolation. However, as firms that compete for customers in an industry are closely interlinked, a macro perspective is needed in...
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Applications of nonautonomous infinite-dimensional systems control theory for parabolic PDEs
DownloadFall 2013
Parabolic partial differential equations (PDEs) are used as models of transport-reaction phenomena in a variety of different industrial chemical and materials engineering processes, and can yield precise descriptions of process variables with complex temporal and spatially dependent system...
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Introduction of Competition in Regulated Markets: Analysis of Colombia’s Natural Gas Industry
DownloadFall 2016
This dissertation deals with the introduction of competition in regulated industries such as natural gas. The thesis focuses on the recently developed Colombian natural gas market and uses a more mature market, the deregulated gas market existing in the province of Alberta, Canada, as a benchmark...
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Fall 2014
This dissertation describes a series of experiments that examined: 1) hydraulic responses of Populus trichocarpa x deltoides, Populus trichocarpa and Picea glauca plants to change in their surrounding environment; 2) Changes of aquaporin expression in response to such changes. In the first study,...
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Fall 2009
Although auditor-client interaction is considered an important determinant of financial reporting outcomes, concerns often arise that close working relationships between auditors and client managers can impair auditor independence. Several high-profile accounting scandals have intensified these...
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Spring 2019
This dissertation delves into the anatomy and physiology of the phloem plant vascular tissue. Two primary topics are investigated in this thesis: (1) The cellular localization and response of aquaporin protein water channels in phloem sieve tubes and (2) the mathematical modeling of phloem sieve...
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Effects of the endophyte Piriformospora indica on growth, physiology and water relations of tobacco (Nicotiana tobacum)
DownloadSpring 2012
In the current study, wildtype and transgenic tobacco constitutively over-expressing Arabidopsis aquaporins PIP 1;4 and PIP 2;5 were grown in association with the endophyte Piriformospora indica. Root hydraulic conductivity along with various physiological parameters and aquaporin expression were...
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Disinformation, Stochastic Harm, and Costly Effort: A Principal-Agent Analysis of Regulating Social Media Platforms
DownloadFall 2022
The spread of disinformation on social media platforms is harmful to society. This harm may manifest as a gradual degradation of public discourse; but it can also take the form of sudden dramatic events such as the 2021 insurrection on Capitol Hill. The social media platforms themselves are in...
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Respiration, Acid/Base, Ammonia and Ionoregulatory Strategies in the Pacific hagfish (Eptatretus stoutii)
DownloadFall 2016
Hagfish feed on putrefied carrion, which poses several environmental challenges to the scavenger including hypoxia (Low PO2), hypercapnia (high PCO2) and high environmental ammonia (HEA). To any other organism, these conditions would be physiologically challenging; however, hagfish seem to have...
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Fall 2021
Root oxygen deprivation (root hypoxia) in flooding-prone areas is detrimental to most terrestrial plants and results in growth reductions and mortality. Although plants widely vary in their waterlogging tolerance, our understanding of these variations is limited to the ability of some plants to...