Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 21 for “"kss"”.
-
Krylov Subspace Spectral Method with Multigrid for a Time-Dependent, Variable-Coefficient Partial Differential Equation
<p>Krylov Subspace Spectral (KSS) methods are traditionally used to solve time-dependent, variable-coefficient PDEs. They are high-order accurate, component-wise methods that are efficient with variable input sizes.</p> <p>This thesis will demonstrate how one can make KSS methods even more …
-
Stability Analysis of Krylov Subspace Spectral Methods for the 1-D Wave Equation in Inhomogeneous Media
<p>Krylov subspace spectral (KSS) methods are high-order accurate, explicit time-stepping methods for partial differential equations (PDEs) that also possess the stability characteristic of implicit methods. Unlike other time-stepping approaches, KSS methods compute each Fourier coefficient of the …
-
SOLVING THE CABLE EQUATION, A SECOND-ORDER TIME DEPENDENT PDE FOR NON-IDEAL CABLES WITH ACTION POTENTIALS IN THE MAMMALIAN BRAIN USING KSS METHODS
<p>In this thesis we shall perform the comparisons of a Krylov Subspace Spectral method with Forward Euler, Backward Euler and Crank-Nicolson to solve the Cable Equation. The Cable Equation measures action potentials in axons in a mammalian brain treated as an ideal cable in the first part of the …
-
A Randomized Controlled Trial to Establish Realistic Patient Expectations Following Total Knee Replacement Surgery
… of the new Knee Society Knee Scoring System (KSS) in a sample of TKR patients. Methods: We recruited consecutive patients with osteoarthritis from the London Health Sciences Centre, Ontario, Canada (Chapter 3). We randomized patients with osteoarthritis to either control (n=207) they received …
-
Krylov Subspace Spectral Methods with Non-homogenous Boundary Conditions
<p>For this thesis, Krylov Subspace Spectral (KSS) methods, developed by Dr. James Lambers, will be used to solve a one-dimensional, heat equation with non-homogenous boundary conditions. While current methods such as Finite Difference are able to carry out these computations efficiently, their …
-
A keyword-set search system for peer-to-peer networks
The Keyword-Set Search System (KSS) is a Peer-to-Peer (P2P) keyword search system that uses a distributed inverted index. The main challenge in a distributed index and search system is finding the right scheme to partition the index across the nodes in the network. The most obvious scheme would be …
-
Three essays on nutrition and health: sugar-sweetened beverages, postpartum military wellness, and online grocery shopping
… the study evaluates the Kids SIPsmartER (KSS) program, a school-based intervention designed to reduce SSB consumption among middle-school students. KSS directly targeted students (KSS-S) through health literacy and behavioral strategies grounded in the Theory of Planned Behavior, and …
-
Scalable High-Resolution Simulation of the Prey-Predator Model, with a Non-Local Consumption of Prey
… a third-order Krylov Subspace Spectral (KSS) time integrator into a Fourier spectral spatial discretization. KSS, which treats each Fourier mode with a frequency-dependent polynomial, avoids the need for solutions of large linear systems in implicit schemes and maintains the computing …
-
Rapid Approximation of Bilinear Forms Involving Matrix Functions Through Asymptotic Analysis of Gaussian Node Placement
… approximation of the solution operator. KSS methods demonstrate a high order of accuracy, but their efficiency needs to be improved. We will carry out an asymptotic study to determine how these approximations behave at high frequencies to develop a formula to reduce the computation of …
-
The Role of Epigenetics in the Regulation of Meiotic Recombination in Triticum aestivum and Arabidopsis thaliana
… 3 (CMT3) and KRYPTONITE/SUVH5/SUVH6 (KSS), and mutation of these features can remodel recombination events to previously suppressed regions of the genome. Remodelling of crossovers to cold regions is of particular interest to crop breeders, who seek to unlock genomic regions to …
-
Automatic Construction of Scalable Time-Stepping Methods for Stiff PDES
<p>Krylov Subspace Spectral (KSS) Methods have been demonstrated to be highly scalable time-stepping methods for stiff nonlinear PDEs. However, ensuring this scalability requires analytic computation of frequency-dependent quadrature nodes from the coefficients of the spatial differential operator. …
-
Klinische und kernspintomographische Ergebnisse nach Implantation von artifiziellen TruFit-Zylindern in die Entnahmedefekte bei der autologen Knorpel-Knochen-Transplantation
… zwischen SG und KG mithilfe des WOMAC, Tegner, KSS Scores und der VAS gezogen sowie zwischen U I und KG mithilfe eines ein Jahr nach OP durchgeführten MRT s. Bei p<0.05 wurde das Ergebnis als signifikant bezeichnet. Ergebnisse: In der SG konnten 14 Patienten nachuntersucht werden, davon 10 in …
-
The Effects of Employees Transfer on Secondary Schools Performance in Zanzibar: A Case Study at South District, Unguja
… performance. Most of the respondents from DEO, KSS, JSS, and MSS advise the government to avoid frequent employees transfer within semester (term) or one year because it will produce the gapes in the school as the shortage of teacher (school employees).
-
Current account deficits and sustainability: evidence from South Africa
… KPSS, DFGLS, ZA unit root tests, and nonlinear KSS (ESTAR) and Sollis (AESTAR) unit root tests. The cointegration approach relies on the linear Engle-Granger, Johansen, Maki, ARDL tests, and nonlinear ARDL (NARDL) tests, on exports - imports, and investments – savings variables. The tests are …
-
Preserved extracellular matrix in non-enzymatically detached cultured keratinocyte sheets bolsters the healing effects on grafted burn wounds
… have negatively impacted the overall quality of KSs. The current work is designed to address this pitfall, offering novel technology for detachment of cultured KS. Our studies demonstrate that non-enzymatic detachment of cultured KS, using temperature responsive dishes preserves extracellular …
-
Examining the Effects of transcranial Electrical Stimulation on Vigilance and Attention
… with the use of verified questionnaires (KSS, PSQI) or psychophysical tasks (PVT, CTT); and physiologically with examinations of neural (EEG) and cardiographic (ECG/HRV) time and frequency dynamics. Failure of such mechanism can result in cognitive deficits, real-world consequences like …
-
Aspects of finite temperature field theories in Ads/CFT
… It is shown that a lower bound (lower than the KSS bound) on the shear viscosity to entropy density ratio is determined by causality in the boundary theory.
-
Knowledge and skills for chief nurse executives : a survey of practitioners
… al. 1981). The questionnaire listed 48 primary KSs which were combined into seven knowledge/skill groups (KSGs). The KSGs included Communication Skills, Social Science Skills, Management Functions, Knowledge of the Organization, Nursing Knowledge, Analytical Methods and Skills, and Health …
-
Managing sustainable development in the city of Tshwane
… of Pretoria. Please cite as follows: Bogopa, KSS 2004, Managing sustainable development in the city of Tshwane, PhD thesis, University of Pretoria, Pretoria, viewed yymmdd < http://upetd.up.ac.za/thesis/available/etd-08192008-091132 / > /ag
-
Mitochondrial disorders in the South African context : a clinical and biochemical approach
… who presented with Kearns-Sayre Syndrome (KSS). A novel deletion of 3,431 base pairs (bp) between positions 7,115 and 10,545, flanked by a five bp direct repeat sequence, was found in 80% of this patient's muscle mitochondrial DNA (mtDNA). It was also demonstrated in this case that the …
Page 1 of 2