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 266 for “"Compactness"”.
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Compactness in asymmetrically normed lattices.
… the main aims of this thesis is to investigate compactness in the setting of asymmetrically normed lattices. In order to do this, it was necessary to study convergence of sequences and left-K-sequential completeness and precompactness of subsets of such spaces.
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E-compactness in pointfree topology
… thesis is to develop a point-free notion of E-compactness. Our approach follows that of Banascheski and Gilmour in [17]. Any regular frame E has a fine nearness and hence induces a nearness on an E-regular frame L. We show that the frame L is complete with respect this nearness iff L is a …
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Syntopogenous structures and real-compactness
… Among these properties were completeness and compactness, but not realcompactness. Our purpose was to extend the definition of realcompactness from uniformisable topologies to arbitrary syntopogenous structures and to produce a real compact reflection for arbitrary syntopogenous structures. We …
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Aspects of compactness in convex spaces
… H. Fremlin, who furthermore, cited interesting compactness properties pertaining to these spaces. This work shall be concerned, foremostly, with the provision of proofs for the statements made by Mr. D. H. Fremlin in 1966, and with demonstrations of how these purely topological results have …
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On Compactness and Closed-Rangeness of Composition Operators
<p>Let $\phi$ be an analytic self-map of the unit disk $\mathbb{D}:=\{z:\lvert z\rvert</p>
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Compactness results for pseudo-holomorphic curves in symplectic cobordisms
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 2000.
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Role of envelope compactness and glycosylation in HIV-1 resistance to neutralising antibody responses
… elements likely responsible for 253-11 Env compactness including the inward disposition of the heptad repeat helices and gp120 protomers towards the trimer axis. Taken together, the data from Chapter 2 and Chapter 3 highlight an underappreciated Env compactness mechanism of HIV-1 resistance …
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Improving Inadmissible Hypothesis Testing Procedures in Exponential Family Statistical Models (Lrt, Pointwise Compactness, One-Sided Alternatives)
This thesis is devoted to constructing tests of hypotheses that dominate a given test which violates certain conditions such as convexity or monotonicity. Many authors, for example, Birnbaum (1955), Matthes and Truax (1967), Ferguson (1967), Eaton (1970) and Marden (1981), (1982), have worked on …
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A mathematical model for political districting with compactness consideration and an application to Kentucky Senate districting
… maps. These additional criteria may involve compactness, community integrity, racial concerns, etc. Generating district maps by simultaneous consideration of various criteria leads to a challenging combinatorial problem; therefore, sophisticated methods are needed for this purpose. …
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Compactness of the space of marked groups and examples of L2-Betti numbers of simple groups
… show its compact. I will give two proofs for the compactness, the first one is due to Rostislav Grigorchuk [1], which refers to geometrical group theory and after the first proof I will give a more topological proof. In the second part, our goal is to prove a theorem by Denis Osin and Andreas Thom …
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Regularity of the D-bar-Neumann Operator, the Bergman Projection and the Canonical Solution Operator of D-bar-Equation
… In this thesis, we focus on the regularity, compactness and boundedness of these operators.</p> <p>In chapter 2, we study the weakly pseudoconvex points on the boundary of a class of Hartogs domains. On that class of domains, we show that Property $(P)$ of the boundary, the compactness of the …
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Optimal design problems for quasidisks and partially clamped drums: Existence, symmetrization, and numerical methods
… and in the sense of Caratheodory convergence. Compactness for chord-arc domains with fixed chord-arc constant and area is shown as a result of the quasidisk compactness. Compactness is used to show that each eigenvalue of the Laplacian, subject to Dirichlet boundary conditions, attains its …
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H-closed spaces and almost realcompact spaces
… of H-closedness is closely related to that of compactness, and it is for this reason that attempts have been made to see what theorems about compactness hold for H-closedness. Miroslav Katetov constructed an analogue to the Stone-tech cornpactification, which is the Katetov H-closed extension.
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On long time dynamic and singularity formation of NLS
… We also include a lecture note on concentration compactness. Concentration compactness is one of the main tool we use in the second part of the thesis.
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Estudio del origen genético de la variedad de vid Garnacha Blanca, de su diversidad fenotípica y de los efectos moleculares asociados a la variación en el color de la uva
… improvement regarding production and bunch compactness, we studied the variation of related traits at plant, bunch and berry level, in several accessions during two years. We also analyzed the genetic and molecular origin of color loss variation and its relation with production and bunch …
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Redistricting and the U.S. House of Representatives : illuminating electoral bias with the Brookes Method
… a new formulation (the Hill Ratio) of a familiar compactness standard, the area-perimeter measure. Thousands of House districts across time are analyzed under the measure and trends in compactness are noted. My analysis finds that districts in the U.S. have gotten considerably less compact since …
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Distortion and Revolution in Texas U.S. Congressional Redistricting Politics: 1972-2014
… the relationship between measures of district compactness and changing demographics (decreasing non-Hispanic White percentage and increasing Hispanic percentage) on a measure of electoral bias, as measured by a metric called distortion during this transition. Distortion is the difference …
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Exploratory Study of Fuzzy Clustering and Set-Distance Based Validation Indexes
… are the ratio of separation between clusters to compactness within acluster. To this end, a new measure of compactness, compactness of a fuzzy partition is presentedand fuzzy derivative of Pompeiu-Hausdorff distance is used as separation.The convergence of fuzzy c-means clustering algorithm is …
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