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 26 for “"Mobius"”.
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Simulation debugging and visualization in the Mobius modeling framework
… results from current tools, including the Mobius modeling framework, which provides a powerful, formalism-independent, discrete-event simulator that outputs static results such as execution traces. The Mobius Simulation Debugger and Visualization (MSDV) feature adds user interaction to …
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Error Bounds Between the Minimum Distance Energy of an Equilateral Knot and the Mobius Energy of an Inscribed Smooth Knot
… Energy of an equilateral knot is close to the Mobius Energy of a smooth knot where the smooth knot is inscribed in the equilateral knot in a specific way.
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Formal Specification of the Moebius Modeling Framework
In this thesis, we describe the Mobius framework and illustrate its usefulness by showing mappings from many formalisms into the framework. We also address some fundamental issues in the field of modeling of discrete-event systems, namely an efficient well-specified checker and a general, …
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Application-Aware Scheduling Architectures for Mobile Systems
… mobility platforms and cellular networks. Mobius allocates tasks from different customers to vehicles in mobility platforms, which are used for food and package delivery, ridesharing, and mobile sensing. Over rounds, Mobius invokes vehicle routing solvers that maximize task completion …
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System modeling and control design of a two-stage metering poppet-valve system
… comprise modified PI control, LQG control, H [mobius] control, and nonlinear feedback control are used to make a closed-loop poppet system. The nonlinear controller is only applied to the nonlinear system and certified by Lyapunov theorem to be globally asymptotically stable. The basic …
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Tailoring light with photonic crystal slabs : from directional emission to topological half charges
… or frequency. We then consider the generation of Mobius strips of light polarization, i.e. vector beams with half-integer polarization winding, from photonic crystal slabs. We show that a quadratic degeneracy formed by symmetry considerations can be split into a pair of Dirac points, which can be …
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Observations on Convexity
… determined by inversions, shift inversions, and Mobius transformations. A convex hull must be preceded by the set of functions involved. These hulls are the smallest convex sets that contain the original set. Justifications and precise definitions are included within the body of the work.</p>
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Some conditional results involving arithmetic functions
… functions such as generalized von Mangoldt and Mobius functions under the Riemann hypothesis, and we also present a strong converse. Second, we investigate a discrete negative moment of the zeta function, obtaining a lower bound that supports a previously conjectured estimate. Both results rely …
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Analytic Unitary Operators
… constant and (phi) is in M, the group of Mobius transformations of the unit disc . For p = 2, the operators of this form are called analytic unitary operators. These operators form a group, which is denoted by OU(,S) and is a proper subgroup of the group U of unitary operators on H('2). …
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A characterization of the circularity of certain balanced incomplete block designs.
… in a finite affine plane and the circles in a Mobius plane. Using the geometry of Euclid as motivation, we strive to develop structures with both lines and circles. The only successful example other than the complex plane is the affine plane over a finite field, where all of Euclid's geometry …
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Distribution of Farey Series and Free Path Lengths for a Certain Billiard in the Unit Square
… of Ramanujan sums into expressions involving the Mobius function. In 1924 Franel produced a quantitative form of this equivalence as an identity for the sum of the squares of the values of the local discrepancy function of the Mobius function and related this to the real parts of zeros of the …
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Operads and moduli spaces
… related moduli spaces, in particular deducing a Mobius graph decomposition of the moduli spaces of Klein surfaces, analogous to the ribbon graph decomposition of the moduli spaces of Riemann surfaces. We also begin a study, in generality, of quantum homotopy algebras, which arise as 'higher …
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Probabilistic Models on Fibre Bundles
… fibre bundle, we apply it to simulated data on a Mobius strip for the problem of prediction and regression. Parameter tuning can also be guided by a novel semi-group test arising from the geometric properties of diffusion kernel. For an example of real-world application, we use probabilistic …
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On Beurling's Theory of Generalized Numbers
… 645-664) about the mean value of the generalized Mobius function. We construct a continuous number system for which the error term in the integer counting function $N(x)$ oscillates as much as the de la Vallee Poussin error for the Prime Number Theorem. A simplification in a theorem of H. G. …
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A partial order approach to decentralized control
… between concepts from order theory such as Mobius inversion and control-theoretic concepts such as state estimation, innovation, and separability principles. Finally, we prove that the H₂-optimal controller in fact posseses the proposed controller structure, thereby proving the optimality of …
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Bifurcations, Multi-stability, and Localization in Thin Structures
… and two dimensional thin sheets (tree leaves, Mobius bands, eggshells, etc.). Geometric and material nonlinearities can conspire together to create complex phenomena in thin structures. This dissertation studies snap-through, multi-stability, and localization in thin rods and sheets through a …
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Communication processes and United States government policy: the development of communication satellite policy in the executive branch.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Economics and Social Science, 1964
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Security and Performance Engineering of Scalable Cognitive Radio Networks. Sensing, Performance and Security Modelling and Analysis of ’Optimal’ Trade-offs for Detection of Attacks and Congestion Control in Scalable Cognitive Radio Networks
… are carried out, based on the application of the Mobius Petri Net Package to determine the performance of scalable CRNs (SCRNs) in comparison with unscalable CRNs (UCRNs) and associated interpretations are made.
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Characterizing and leveraging people movement for content distribution in mobile Peer-to-Peer networks
… in different street configurations by using the Mobius modeling tool. Our validation study confirms the two properties of the Schelling behavior of people movement. Then, we exploit these properties to design three protocols to improve content distribution in mobile P2P networks, including COADA, …
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