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 300 for “"complex structures"”.
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Nilmanifolds: complex structures, geometry and deformations
We consider nilmanifolds with left-invariant complex structure and prove that in the generic case small deformations of such structures are again left-invariant. The relation between nilmanifolds and iterated principal holomorphic torus bundles is clarified and we give criteria under which …
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Cu-based shape memory microwires : towards complex structures
… wires in quantities useful for the creation of complex structures. The composition of the wires is observed to change throughout processing of alloys and wires. Electropolishing rates were determined for improving surface texture and size constraint.
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High-Throughput Determination of Mycobacterium smegmatis Protein Complex Structures
… the possible biological function of the protein complex in question. This study sought to assess different high-throughput methods for capturing stable, water soluble protein complexes from M. smegmatis (Msm), a close relative of Mtb, for structural characterisation by low-resolution transmission …
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Emergence and stability of complex structures from stochastic neuronal networks
… previous studies were focused on physiological structures through Monte Carlo simulations, not on the model itself. This thesis introduces a general purpose stochastic model with mathematically rigorous assumptions, so that analysis of the model itself using a Markov chain is applicable. With …
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Weighted arrays for modal isolation and active control of complex structures
… and robust broadband feedback control on complex structures with high performance and limited modeling. The weighted array technique proposed here enables the design of reduced-order controllers for complex structures and offers the potential to improve closed-loop robustness and to …
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Time-Domain Integral-Equation Based Analysis of Complex Structures Loaded With Cables
… and interference (EMC/EMI) phenomena on complex structures that involve electrically large platforms (e.g., vehicle shells) along with cable-interconnected antennas, shielding enclosures, and printed circuit boards. To efficiently simulate field interactions with such complex structures, …
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Contributions to Data Reduction and Statistical Model of Data with Complex Structures
… explosion, the data of interest often have complex structures, with the large size and dimensions in the form of continuous or discrete features. There is an emerging need for data reduction, efficient modeling, and model inference. For example, data can contain millions of observations with …
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MODELING REORGANIZATION OF PCF10-INDUCED COMPLEX STRUCTURES IN ENTEROCOCCUS FAECALIS UNDER ERYTHROMYCIN TREATMENT
… plasmid forms a biofilm it constructs raised complex structures with variable cellular packing above the rigid base. Under treatment by erythromycin, E. faecalis OG1RF(pCF10) is shown to undertake a remodeling process where aggregated regions of the complex structures increase, and the total …
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A data science approach to pattern discovery in complex structures with applications in bioinformatics
… approach for discovering patterns or motifs from complex structures, particularly complex RNA structures. RNA secondary and tertiary structure motifs are very important in biological molecules, which play multiple vital roles in cells. A lot of work has been done on RNA motif annotation. However, …
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Optimization of transducers for active structural acoustic control of complex structures using numerical techniques
… to minimize the total radiated sound power from complex structures has been developed. This optimization procedure interfaces finite and boundary element models with non-linear optimization techniques. The optimization procedure was used to perform parametric studies of Active Structural Acoustic …
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Design, Analysis and Fabrication of Complex Structures using Voxel-based modeling for Additive Manufacturing
… (AM) is the opportunity to design and fabricate complex structures that cannot be made via traditional means. However, this potential is significantly constrained by the use of a facet-based geometry representation (e.g., the STL and the AMF file formats); which do not contain any volumetric …
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Studying the Space of Almost Complex Structures on a Manifold Using de Rham Homotopy Theory
… each connected component of the space of almost complex structures on a manifold. As a special case, we discuss the space of almost complex structures on the six sphere and conclude a conjecture about the ordinary homotopy type of that space.</p>
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Automation and Expert System Framework for Coupled Shell-Solid Finite Element Modeling of Complex Structures
… utilized to simulate the real-world response of complex engineering structures. With the advancements in adaptive optimization frameworks, multi-fidelity (coupled shell-solid) FE models are increasingly sought during the early design stages where a large design space is being explored. This is …
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Experimental/analytical determination of optimal piezoelectric actuator locations on complex structures based on the actuator power factor
… the actuator location and configuration for complex structures. The concept of actuator power factor is based on the ability of an integrated induced strain actuator such as a PZT actuator to transfer supplied electrical energy into structural mechanical energy. For a given structure such as …
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Modelling and Control of Complex Structures: From Ebatronics to Electromechanical Devices and Their Industrial Applications [Modellazione e controllo di strutture complesse: Dall'ebatronica ai dispositivi elettromeccanici e alle loro applicazioni industriali]
La ricerca mira a studiare la modellazione e il controllo di sistemi complessi per contribuire ai crescenti progressi della robotica e dell'ingegneria. Questa ricerca è stata condotta in un laboratorio di robotica verde chiamato Ebatronics, dove sono stati utilizzati componenti sostenibili e …
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Quaternionic slice regular functions on domains without real points
… some differential issues and an application in complex differential geometry. This application concerns the constructions and classifications of orthogonal complex structures on open domains of the four dimensional euclidean space.
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Review of algorithms for RNA secondary structure prediction with pseudoknots
Pseudoknots are structures that are formed from the base pairing of an RNA secondary loop structure with a complementary base which lies somewhere outside of the loop. The result is a structure, which plays a vital role in cell structure rigidity, regulation of protein synthesis, and in the …
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Instanton correction, wall crossing and mirror symmetry of Hitchin's moduli spaces
… in determining instanton corrections of complex structures of Calabi-Yau varieties in the context of mirror symmetry from a singular affine structure with additional data. We will show that the two instanton correction problems are equivalent in an appropriate sense via the identification …
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A Finite-Difference Time-Domain Electromagnetic Solver in a Generalized Coordinate System
… of full-wave electromagnetic wave propogation in complex structures is developed. This method is simple and flexible; it allows for the simulation of transient wave propogation in a large class of practical structures. Boundary conditions are implemented for perfect and imperfect electrically …
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