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 60 for “"Solvability"”.
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The Solvability Factors of Volume Crime
This research examines the solvability factors of volume crime. It draws from a dataset of 836,616 robberies, violent crimes, sexual crimes, vehicle crimes and residential burglaries from the Metropolitan Police Service (MPS) area in London, England over two calendar years (2017-2018). It uses a …
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Global solvability of invariant differential operators.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mathematics, 1978
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Solvability of differential systems near singular points
<p>"Functional analysis techniques are used to prove a theorem, analogous to the Harris-Sibuya-Weinberg theorem for ordinary differential equations, which yields as corollaries a number of existence theorems for holomorphic solutions of linear functional differential systems of the form …
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Devaluation and Solvability: The Quest for Factors Affecting Violent Crime Clearance
… thesis, neighborhood devaluation thesis, and solvability perspective—for the decline. The literature on violent crime clearance, however, is inconclusive due to its focus on homicides and arrests, neglect of community characteristics, and the effect victim decisions have on crime clearance. …
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Tight Discrete Formulations to Enhance Solvability with Applications to Production, Telecommunications, and Air Transportation Problems
… its linear relaxation, in order to enhance its solvability. In this dissertation, we consider these issues pertaining to the modeling of mixed-integer 0-1 programming problems in general, as well as in the context of several specific real-world applications, including a telecommunications …
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Optimization and Algorithms for Wireless Networks: Enhancing Problem Solvability, Channel Bonding Under Demand Stochasticity, and Receiver Characteristic Awareness
… theme. The first part addresses enhancing the solvability of network optimization problems. For the class of problems studied, we show that a traditionally-formulated model is insufficient from a problem-solving perspective. When the size of the problem increases, even state-of-the-art …
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The (n)-Solvable Filtration of the Link Concordance Group and Milnor's mu-Invariaants
… We first establish a relationship between ( n )-solvability of a link and its Milnor's μ-invariants. We study the effects of the Bing doubling operator on ( n )-solvability. Using this results, we show that the "other half" of the filtration, namely [Special characters omitted.] , is nontrivial …
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The Dehn function, word problem, and bounded word problem for finitely generated decidable group presentations
… group presentations for each combination of solvability/unsolvability of the word problem, solvability/unsolvability of the bounded word problem, and computability/uncomputability of the Dehn function.
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H-Infinity Control in Infinite-Dimensional Spaces and Related Partial Differential Equations
The eighth chapter studies the solvability of HJI equations that arise in nonlinear $H\sp{\infty}$ control problems where the system is affine in the control and the disturbance. In each case the existence of viscosity supersolutions is proven.
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The Periodic Schur Decomposition in Linear Systems and Control
… for the fundamental properties of solvability and conditionability. We also show that the Forward/Backward form yields simple expressions for Luenberger's boundary recursion procedure.
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Optimization for a Sturm--Liouville problem with the spectral parameter in the boundary condition
… To this end, we additionally introduce a set of solvability conditions on the S-L problem data, confirming that these critical points represent meaningful solutions we refer to as \textit{designs}. We further present the analytic continuation of these predesigns in regards to the spectral …
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Peg Solitaire on Trees with Diameter Four
… give necessary and sufficient conditions for the solvability for all trees with diameter four. We also give the maximum number of pegs that can be left on such a graph under the restriction that we jump whenever possible.</p>
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Group automorphisms of incidence algebras.
… abelian, normal subgroups, and criteria for solvability and nilpotency. Lastly, we will classify the automorphism group of the group of units when (P,≤) = (Z,≤).
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A Survey of Galois Theory
… the theorem which shows the connections between solvability of polynomials and groups and work a few examples demonstrating how to use groups to solve polynomials. In Chapter 3, we briefly consider the Inverse Problem of Galois theory where we consider arbitrary groups and try to find extensions …
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Topological entropy bounds for switched linear systems with lie structure
… the matrices of the switched system, namely solvability, define an “upper average time of activation” quantity and use it to provide an upper bound on the entropy of the switched system in terms of the eigenvalues of each subsystem.
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Stochastic Averaging Correctors for a Noisy Hamiltonian System With Discontinuous Statistics
… which are sufficient conditions ensuring solvability of the above problem. Probabilistically, the glueing conditions give the relative likelihoods, in the averaged picture, of diffusing into the various regions of phase space when one starts at the homoclinic orbit.
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Algebraic synthesis methods for linear multivariable control systems
… (1) ; develop a unifying algebraic approach for solvability and characterization of solutions of equations (1) - (4), based on structural properties of the given matrices, over the ring of interest. The standard matrix Diophantine equation (1) is associated with the TFSTS for discrete time linear …
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