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 606 for “"conformal"”.
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Conformal microstrip antennas
Microstrip antennas are widely used in several different technological areas including communication and navigation systems, weapons systems, radars, and telemetry and tracking systems. The microstrip antennas' physical features and simplicity of construction make them especially suited for these …
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Conformal Properties of Spacetime
… we study more generally the nature of possible conformal completions at spatial infinity. In particular, we show that (d + 1) dimensional Myers-Perry metrics (d ≥ 4) have a conformal completion at spatial infinity of C^{d−3,1} differentiability class, and that this result is optimal in even …
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Connections on conformal blocks
… of principal G-bundles on X using ideas from conformal field theory. We describe this category in terms of the action of infinitesimal Hecke functors on the category of quasi-coherent sheaves on Bung. This family of functors, parametrized by the Ran space of X, acts by averaging a …
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Conformal Tracking For Virtual Environments
… we present a pioneer framework for designing conformal tracking probes. Conformal in this work means to adapt to the shape of the tracked objects and to the environmental constraints. As part of the framework, the accuracy in position and orientation of a given probe may be predicted given the …
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Integrability in random conformal geometry
… in many statistical physics models. Liouville conformal field theory (LCFT) is the quantum field theory underlying LQG. Each of these satisfies conformal invariance or covariance. This thesis proves exact formulas in random conformal geometry; we highlight a few here. The Brownian annulus …
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Data Augmentation and Conformal Prediction
Conformal prediction is a popular line of research in uncertainty quantification. Conformal predictors output sets of predictions accompanied by a guarantee that the set contains the true label. Conformal prediction is particularly promising because it makes no distributional assumptions and …
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Conformal pseudo-metrics and some applications
… connected to a number of basic open problems in conformal geometry and non-linear PDE. One of our results is a solution to Problem 1 for arbitrary simply connected domains. However, we shall see that our approach has also some other ramifications, for instance to a well-known problem due to …
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Structure theory of finite conformal algebras
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1998.
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Conformal Additive Manufacturing for Organ Interface
… a novel technique for fabricating manufacturing conformal microfluidic devices for organ interface. 3D conformal printing was leveraged to engineer and fabricate novel organ-conforming microfluidic devices that endow the interface between microfluidic channels and the organ cortex. Large animal …
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Conformal symmetries in special and general relativity.The derivation and interpretation of conformal symmetries and asymptotic conformal symmetries in Minkowski space-time and in some space-times of general relativity.
… work is to present an analysis of the asymptotic conformal Killing vectors in asymptotically-flat space-times of general relativity. This problem has been examined by two different methods; in Chapter 5 the asymptotic expansion technique originated by Newman and Unti [31] leads to a solution for …
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The Beurling-Ahlfors extension and Conformal welding
This thesis introduces the theory of conformal welding and shows that every quasisymmetric function is a welding homeomorphism. Conformal weldings appear naturally in Teichmüller theory when we consider the conditions under which two Riemann surfaces can be joined together. In the second chapter we …
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Development of conformal reconfigurable metamaterial-based antennas
Antennas are vital components of any wireless communication device. There has been a wide demand for novel flexible and reconfigurable wireless devices as a result of the rising user applications. This thesis presents the design of flexible low-cost antennas using metamaterial loadings with …
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Optimization of Conformal Joints in Axial Tension
… to describe the tube compression. The resulting conformal joint predicted by the model was experimentally verified and compared to three purposed mandrel geometries. The purposed mandrel designs were an attempt to evenly distribute the tensile load using three gradually increasing groove depths. …
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Moduli Space of (0,2) Conformal Field Theories
<p>In this thesis we study aspects of (0,2) superconformal field theories (SCFTs), which are suitable for compactification of the heterotic string. In the first part, we study a class of (2,2) SCFTs obtained by fibering a Landau-Ginzburg (LG) orbifold CFT over a compact K\"ahler base manifold. …
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EXPLORATIONS IN QUANTUM GRAVITY AND CONFORMAL BOOTSTRAP
In this thesis, I apply numerical and analytical bootstrap techniques for a better understanding of quantum gravity. Each chapter is separated by subject. Chapter two is about a proof of the averaged null energy condition (ANEC) in flat spacetime for relativistic quantum field theories in more than …
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Conformal Microstrip GPS Antenna for Missile Application
… performance goals are established. A conformal microstrip patch antenna is developed and simulated in Agilent’s Advanced Design System (ADS). The resulting antenna is constructed and characterized. Prototype testing verifies that the antenna maintains GPS signal lock regardless of …
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