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 3096 for “"Homogeneous"”.
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Homogeneous Keller maps
Contains fulltext : 75148.pdf (Publisher’s version ) (Open Access)
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Modeling ultrasonic transducer in homogeneous and non-homogeneous media using DPSM method
… the ultrasonic field in a three dimensional inhomogeneous medium in front of a transducer of finite dimension have been written in MatLab. Two different cases are considered in this study, nonhomogeneous fluid and fluid-solid interface. Both normal and inclined incidence cases are investigated. …
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Homogeneous Cobalt Catalyzed Oxidations
Mechanistic studies of the oxidation of various substituted phenols to benzoquinones by Co(II) bis(salicylidene-(gamma)-iminopropyl)-methylamine, CoSalMDPT are described in Chapter I. The reaction is first order in {O(,2)}, {substrate}, and {Co}. A series of experiments are reported to provide …
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Compact Homogeneous Leviflat CR-Manifolds
We consider compact Leviflat homogeneous CR-manifolds. In this setting the Levi-foliation exists and we show that all its leaves are homogeneous and biholomorphic. We analyze separately the structure of orbits in complex projective spaces and parallelizable homogeneous CR-manifolds in our context. …
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Classification of Countable Homogeneous 2-Graphs
We classify certain families of homogeneous 2-graphs and prove some results that apply to families of 2-graphs that we have not completely classified. We classify homogeneous 2-coloured 2-graphs where one component is a disjoint union of complete graphs and the other is the random graph or the …
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Homogeneous and stratified vented gas explosions
… A systematic investigation into the influence of homogeneous and stratified mixtures was undertaken by varying mixture reactivity, ignition position, injection position and mixture composition. A feature of this work has been the similarities in explosion phenomena between stratified and …
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Mechanism and kinetics of homogeneous catalysis
<p>A model-based approach using a diverse set of data including monomer consumption, evolution of molecular weight, and end-group analysis was employed to determine each of the reaction specific rate constants involved in 1-hexene polymerization process catalyzed by a family of group IV single-site …
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Line Bundles on Projective Homogeneous Spaces
… topic of my thesis is the geometry of projective homogeneous spaces G/H for a semisimple algebraic group G in characteristic p $>$ 0, where H is a subgroup scheme containing a Borel subgroup B. In characteristic p $>$ 0 there are an infinite number of subgroup schemes containing B--the reduced …
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Equivariant cohomology, homogeneous spaces and graphs
… herein, we apply the GKM theory to the case of homogeneous spaces by studying the combinatorics of their associated graphs. We exploit this theory to understand the geometry of homogeneous spaces with non-zero Euler characteristic.
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Isoparametric hypersurfaces with a homogeneous focal manifold
… of isoparametric hypersurfaces in spheres with a homogeneous focal manifold is a project that has been started by Linus Kramer. It extends results by E. Cartan and Hsiang and Lawson. Kramer does most part of this classification in his Habilitationsschrift. In particular he obtains a classification …
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Homogeneous Symplectic Manifolds of the Galilei Group
<p>In this thesis we classify all symplectic manifolds admitting a transitive, 2-form preserving action of the Galilei group G. Using the moment map and a theorem of Kirillov-Kostant-Souriau, we reduce the problem to that of classifying the coadjoint orbits of a central extension of G discovered by …
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On Homogeneous Diagonal Congruences of Odd Degree
Made available in DSpace on 2014-12-09T22:17:36Z (GMT). No. of bitstreams: 1 6706692.pdf: 4255711 bytes, checksum: 4b018e9b8a1387099d61fcbe54597957 (MD5) Previous issue date: 1966
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Ethnic identity in a 'Homogeneous' Nation State
… by the common wisdom that Botswana is inherently homogeneous. That 90% of the population either speaks Setswana or belongs to Setswana speaking tribes. Secondly, it tests the fact that this perceived homogeneity connect to the country&amp;acirc;s democratic, economic and political success. The …
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Digital graft : towards a non-homogeneous materiality
(cont.) and form development. Through this approach, space can be perceived not as distributed geometries, but rather as a composite graft responding locally to flows of programmatic and environmental parameters.
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Anion effects in Homogeneous Palladium and Gold Catalysis
The overarching theme of this work is to use weak interactions to improve transition metal catalysis by studying the ways transition metal cations interact with both traditional and novel weakly-coordinating anions. Understanding of these interactions will better allow synthetic chemists to choose …
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Controllability of Non-Newtonian fluids under homogeneous flows
… of three popular constitutive models under homogeneous extensional and shear flows via the Lie bracket method. The constitutive models are as follows: the Phan-Thien-Tanner model; the Johnson-Segalman model; and the Doi model. The effect of extensional flow on these models and the effect of …
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