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 479 for “"orbits"”.
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Orbits in General Relativity
Made available in DSpace on 2014-12-09T18:33:59Z (GMT). No. of bitstreams: 1 6507102.pdf: 2246428 bytes, checksum: ca9c2283db88b9878524b6511c0b0d1c (MD5) Previous issue date: 1965
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Closed orbits in quotient systems
… X → X and T 0 : X0 → X0 , then counts of closed orbits and periodic points are preserved. However, if we only have topological semi-conjugacy between T and T 0 , then anything is possible, and there is, in general, no relationship between closed orbits (or periodic points) of T and T 0 . However, …
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Intertwining relations, commutativity and orbits
The density of orbits and commutativity up to a factor of bounded linear operators have become of great interest for Operator Theorists during the last decades. This interest comes from the relationship that exists between the study of orbits and spectral properties of linear operators on Banach …
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Coadjoint orbits and induced representations
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1993.
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Abelian algebras and adjoint orbits
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1981.
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Optimum transfers from circular orbits.
Thesis. 1978. Ph.D.--Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics.
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Quantization of nilpotent coadjoint orbits
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1996.
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Numerical approximation of generalized connecting orbits
In dieser Dissertation werden "Verbindungsorbits mit asymptotischer Rate" und "Verallgemeinerte Verbindungsorbits" für kontinuierliche, parameterabhängige dynamische Systeme definiert, analysiert und ein Approximationsverfahren hierfür entwickelt. Insbesondere werden Fehlerabschätzungen für das …
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Classifying semisimple orbits of theta-groups
… the problem of classifying the semisimple orbits of a theta-group. For this purpose, once a preliminary presentation of the theoretical subjects where my problem arises from, I first give an algorithm to compute a Cartan subspace; subsequently I describe how to compute the little Weyl group.
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Interstellar Gravitational Perturbations of Cometary Orbits
Made available in DSpace on 2014-12-12T00:17:47Z (GMT). No. of bitstreams: 1 7212154.pdf: 2691518 bytes, checksum: 30ec6fe43239395eef63314798ecafec (MD5) Previous issue date: 1971
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Fedosov's quantization of semisimple coadjoint orbits
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1995.
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The evolution of highly eccentric orbits
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.
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Nilpotent orbits and multiplicty-free representations
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1994.
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Control of spacecraft in proximity orbits
… for large baseline formations in highly elliptic orbits. An initialization algorithm is developed that uses the new dynamics to optimize multiple objectives (drift and fuel usage minimization, geometry) over science-relevant time frames, improving previous J2-invariant initialization techniques …
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Particle orbits and diffusion in torsatrons
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1980.
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A classification of real and complex nilpotent orbits of reductive groups in terms of complex even nilpotent orbits
… a theorem parametrizing the set of nilpotent orbits in g in terms of even nilpotent orbits of subalgebras of g and show how to determine these subalgebras and how to explicitly compute this correspondence. We prove a theorem parametrizing nilpotent orbits for strong involutions of G in terms …
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Radiation Pressure Effects on Earth Satellite Orbits
Made available in DSpace on 2014-12-05T20:51:51Z (GMT). No. of bitstreams: 1 6305140.pdf: 5307213 bytes, checksum: 12bebda28f076991ba5bfab13a20c00f (MD5) Previous issue date: 1963
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Multidimensional continuation of families of periodic orbits
… piecewise polynomial discretizations of periodic orbits of ordinary differential equations. Such an algorithm generates a discretized representation of a manifold of such orbits embedded in a larger variable space. Each chart associated with the discretized atlas is defined in terms of a base …
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Nilpotent orbits and the affine flag manifold
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1997.
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