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 103 for “"Pointwise"”.
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Pointwise Relations Between Ergodic Averages and Martingales
… the context of the shift action on Z , satisfy pointwise inequalities of the form An4≤CE4 &vbm0;Fn+E4 &vbm0;Gn , where {Fn}n ≥ 1 and {Gn} n ≥ 1 are decreasing sequences of sigma-algebras on Z . In this thesis we extend this by examining situations when the ergodic averages can be …
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Pointwise ergodic theorems via descriptive set theory
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01
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Pointwise Schauder Estimates of Parabolic Equations in Carnot Groups
… and its derivatives. This document establishes pointwise Schauder estimates for second order parabolic equations where the traditional role of derivatives are played by vector fields generated by the first layer of the Lie algebra stratification for a Carnot group. The Schauder estimates are …
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Pointwise and uniform convergence of fourier series on SU(2)
… Mayer, and a special case of Ragozin. Pointwise convergence theorems for the Fourier series of functions on SU (2), due to Liu and Qian, were obtained by Clifford algebra techniques. We obtain similar versions of these theorems using simpler proof techniques: classical harmonic analysis …
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Weak Truth Table Reducibility and the Pointwise Ordering of 1-1 Recursive Functions
Made available in DSpace on 2014-12-14T13:09:24Z (GMT). No. of bitstreams: 1 7524283.pdf: 1603476 bytes, checksum: 566bca7e7eb5532f6c9beb67369f5c0b (MD5) Previous issue date: 1975
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Optimal feedback control formulation of the active noise cancellation problem : pointwise and distributed
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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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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Local Green's Function Techniques for the Solution of Heat Conduction and Incompressible Fluid Flow Problems
… to develop a local integral equation for the pointwise temperature distribution within a computational volume element. These local integral equations are naturally coupled to those defined on adjacent elements through surface quantities, and thus retain the desirable property of nearest …
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Walking forward and backward: towards graph-based searching and mining
… assumption. We argue that smoothness is a pointwise property and requires probabilistic modeling. Thus, we propose a new framework to define pointwise smoothness probabilistically on a graph, which unifies two different ""modes"" of smoothness corresponding to the forward and backward …
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A New Look at the Theory of Double-Aperture Speckle Photography
… for a double-apertures specklegram. Both the pointwise and full-field filtering setups are analyzed. The resulting equations are shown to be more complete and exact than the equations from the conventional Moire analysis.
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A Wyler-type approach to categorical topology
… T-models where the associated theory T sends a pointwise pullback of any regular sink into product covering family of diagrams. The concretely cartesian closed topological categories are characterised as those for which the associated theory T sends the pointwise pullback of an arbitrary sink …
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Linear and algebraic structures in function sequence spaces
… unit interval [0, 1]: convergence in measure but pointwise almost everywhere and pointwise but not uniform convergence. In Chapter 5 we focus our attention on the setting of (Lebesgue) integrable functions. We start with sequences of integrable functions with different modes of convergence in …
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Optimization, Convergence, and Duality
… and Joly. This convergence, not comparable to pointwise convergence, has several important properties: it is preserved under the Fenchel transform, and it is equivalent to a convergence which can be defined for the sequence of subdifferentials corresponding to the given convex functions. In …
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Vector-valued multidimensional signal processing and analysis in the context of fluid flows
… which contains vortex structure modeling, pointwise linear approximation of flow fields, local fluid motion classification, and vortex structure extraction. The model defined in this work is a generic one, with emphasis on the global properties of vortex structures. It is shown that through …
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Automatic detection of research interest using topic modeling
… of Latent Dirichlet Allocation coupled with a pointwise mutual information analysis between topic keywords and latent topics.
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A hierarchy of ramified theories below primitive recursive arithmetic
… free throughout giving inductions in EA(I;O) a pointwise character termed predicative induction. The result of this restriction is that the provably recursive functions are the elementary functions. An infinitary analysis brings out a connection to the Slow-Growing Hierarchy yielding є0 as the …
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Theoretical Properties of Equivariant Neural Networks
… the interaction between equivariance and pointwise nonlinearities. We characterize which pairs of group representations and pointwise activations induce non-trivial equivariant nonlinear maps, thereby identifying when standard layer constructions lead to non-degenerate hypothesis spaces. …
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Composition Sequences and Semigroups of Möbius Transformations
… that every such composition sequence converges pointwise in the open unit disc to a constant function whenever the identity element does not lie in the closure of the semigroup. We establish various results that have counterparts in the theory of Fuchsian groups. For example we show that aside …
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Convergence of Convolution Operators and Weighted Averages in L(P) Spaces
It is well known that it is possible to have pointwise convergence in some Lp spaces and not in others along the Individual Ergodic Theorem. We show that the same behavior is possible for perturbed moving averages and convolution operators induced by approximate identities. Furthermore, we study …
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