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.
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Showing 1 to 20 of 76 for “"linear dependence"”.
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Spectral densities of discrete and continuous-indexed random fields
… fields. When these random fields satisfy certain linear dependence conditions uniformly, each will have a spectral density function (not necessarily continuous) that is bounded between two positive constants. These spectral density functions will converge in a weak sense to another function (not …
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Anomalous X-ray transmission changes in copper crystals on electron irradiation at 14 K
… recoveries. Resistance increases show a linear dependence with electron fluence while transmitted X-ray intensity decreases show a greater than linear dependence. Resistance changes with dose were comparable with previous data, X-ray intensity decreases appear to be greater than predicted …
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Algebraic dependence testing in the perspective of algebraic matroids
… study the computational problem called algebraic dependence testing, where we seek to find a polynomial relation among a set of polynomials. This notion generalizes linear dependence, and understanding it has had applications to deterministic polynomial identity testing and algebraic circuit lower …
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Three Essays on Extremes and Non-Linearities in Asset Pricing
… which can be further characterized by a non-linear dependence structure. The second essay "Credit Cycle Dependent Spread Determinants in Emerging Sovereign Debt Markets", empirically estimates non-linear dependence structures of determinants of changes in sovereign bond spreads. Empirical …
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Picosecond Time-Resolved Studies of IVR: Theory and Applications of Time-Resolved Fluorescence Depletion
… ensemble of molecules is presented to show the linear dependence of the signal on the dynamics of the molecular system. Data obtained from the application of this technique to fluorene, butylanine, and 2-amino pyridine in molecular beams are presented as is a description of the apparatus which …
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Gaseous diffusion in liquids
… model. The former model predicts a linear dependence of diffusivity with temperature while the latter model predicts linear dependence of log(D) versus 1/T. The limited temperature dependent diffusivity data to date with a typical precision of ± 5% do not permit distinguishing which …
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Zero Divisors, Group Von Neumann Algebras and Injective Modules
In this thesis we discuss linear dependence of translations which is intimately related to the zero divisor conjecture. We also discuss the square integrable representations of the generalized Wyle-Heisenberg group in 𝑛² dimensions and its relations with Gabor's question from Gabor Analysis in the …
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Dependence testing in high dimension
"The study of dependence for high dimensional data originates in many different areas of contemporary research. While a lot of existing work focuses on measuring the linear dependence and monotone dependence for fixed dimensional data, comparatively less is concerned for more complex dependence …
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A Smoothing Model and Its Asymptotics with Applications to Health Studies and Social Research
… in which multiple estimators are induced by a linear dependence of covariates: Period - Age = Cohort in the regression model of APC analysis. The smoothing cohort model yields consistent estimation of age and period effects, but cohort effect estimation is biased. Hence, the second stage model …
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A Study Of The Xenon Vapour Pressure Isotope Effect
… the data demonstrate for the first time the linear dependence of the VPIE across a range of isotopes, and this is consistent with the theoretical predictions.
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Low-temperature specific heat of several high-temperature superconductors in the superconducting and mixed states
… contribution to the specific heat which has a linear dependence on temperature, which has been observed in samples of YBa$\sb2$Cu$\sb3$O$\sb{7-\delta},$ is not a universal feature of the high temperature superconductors. We observed that the linear term in YBa$\sb2$Cu$\sb3$O$\sb{7-\delta}$ is …
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Kinetic and Microstructural Study of Titanium Nitride Deposited by Laser Chemical Vapor Deposition
… input of 4.5%, the growth rate has a half-order dependence on nitrogen and a linear dependence on hydrogen and is approximated by$$\rm r = {{kP\sb{TiCl\sb4}P\sb{H\sb2}P\sbsp{N\sb2}{1/2}exp\left({{-}E\sb{a}\over {RT}\right)}\over{1 + P\sb{Ar}}}}.$$Since nitrogen positively affects growth rate …
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The influence of microporosity on the mechanical properties of bulk, scaffold, and composite scaffold biphasic calcium phosphate
… resonant frequency samples showed an exponential dependence on micropore fraction and a linear dependence on density. The compressive strength of the monolithic BCP scaffolds was shown not to be significantly influenced by micropore size or fraction. Monolithic scaffolds exhibited brittle failure …
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Zum Einfluss der Kontaktzone bei der Modellierung des Elastizitätsmoduls von Beton
… on the amount of ITC in the samples. This dependence was determined as a linear one. Subsequently, the existing approach – a combination of serial and parallel layers – could be improved. By a comparison of test results with FE-methods the linear dependence between the amount of ITZ and the …
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Kinetic studies of the reaction of gallium arsenide with molecular chlorine and iodine
… between 0.10 and 1.25 Ton. Both reactions show a linear dependence on the etchant gas pressure in the low pressure region, however, the dependence become nonlinear in the high pressure range. In the case of the Cl₂ reaction, the non linearity was found to be due to the occurrence of a reaction …
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Impact of data-dependent model selection on inference
… In simulations, I generate data, assuming both linear and non-linear dependence of hazard on a continuous covariate as well as no association. The generated data are then used to estimate a series of models with various functional form, to assess the impact of model selection on type I error and …
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Accelerated algorithms for constrained optimization and control
Nonlinear optimization with equality and inequality constraints is a ubiquitous problem in several optimization and control problems in large-scale systems. Ensuring feasibility along with reasonable convergence to optimal solution remains an open and pressing problem in this area. A class of …
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ΜΕΛΕΤΗ ΤΗΣ ΥΔΡΟΛΥΣΗΣ, ΤΗΣ ΠΡΟΣΡΟΦΗΣΗΣ ΚΑΙ ΤΗΣ ΔΙΑΣΠΑΣΗΣ ΤΩΝ ΦΥΤΟΦΑΡΜΑΚΩΝ METHYL-PARATHION, LINDANE ΚΑΙ ATRAZINE ΣΕ ΦΥΣΙΚΑ ΥΠΟΣΤΡΩΜΑΤΑ
… OF PESTICIDES (-ΔΗ) AND (-ΔS) APPEAR A LINEAR DEPENDENCE WITH THE ZERO POINT CHARGE OF SOLID SUBSTRATES.THE SOIL PROPERTIES AS FAR AS THE MOST RAPID DETOXICATION OF PESTICIDE RESIDUES WAS IMPROVED WITH ADDITION OF SMALL AMOUNTS OF FLY ASH, WHICH HAS AN INCREASED ABILITY TO DEGRADATE …
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Quantum Transport and Scale Invariance in Expanding Fermi Gases
… We find that $\eta$ has both a quadratic and a linear dependence on the interaction strength $1/({k_{FI}a})$, where $a$ is the s-wave scattering length and $k_{FI}$ is the Fermi wave vector for an ideal gas at the trap center. At low energy, the minimum is less than the resonant value and is …
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Exploration of basis set issues for calculation of intermolecular interactions and density functional theory calculations of vanadium oxide clusters and their reactions with sulfur dioxide
… basis set superposition error (BSSE), and the linear dependence of basis functions. In an attempt to find more efficient basis sets for calculations of intermolecular interactions, standard basis sets (10s Huzinaga, 6-311G**, cc-pV6Z), or their parts, are extended (tessellated) by a set of …
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