This document begins with the end of a life and ends with the beginning of hope. It is a brief description of the artist's history, artistic and literary influences, and subsequent works produced during graduate school, specifically Dichotomy, Swan Dive, and Jimmy Hit His First Home Run. Topics discussed include Human Physiology, Transference, Buddhism, and Bubbles. This document was created in Microsoft Word 2004 for Mac, Version 11.2.

This essay explores and investigates post-colonial identity in Ireland in Hugo Hamilton’s The Speckled People: A Memoir of a Half-Irish Childhood (2003) and The Sailor in the Wardrobe (2006). Relying primarily on Homi K. Bhabha’s postcolonial criticism, which draws on some ideas from psychoanalysis, this essay argues that the autobiographies resonate well with the ideas of culture as a strategy of survival and of the post-colonial child as an analyst of Western modernity. Thus, three chosen concepts; ‘the Uncanny’, ‘Third Space’ and ‘Hybridity’ work together to reveal a recurring theme of split and duplicity in reference to the colonial past throughout. Furthermore they also reveal that the actual writing of the autobiographies in itself must be regarded as a way of responding to and negotiating that very same split and duplicity in reference to Ireland’s past.

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This research offers a reading of the considerable change to the landscapes of cities, masculinities and bodies that occurred after the Second World War. With an emphasis on visual sources and methods, I consider how a distinctly modern post-war identity emerged out of the interaction between Hamilton's newly (re)built cityscape, human bodies and their gendered identities. In the 1960s, rapid urban growth in Hamilton produced a large number of buildings designed in the Modernist style. This concrete language rendered public structures, and the city at large, as distinctly 'Modern' and progressive. The existence of these buildings was essential to Hamilton's transition from a rural town to an urban centre. Meanwhile, the 1964 Centennial served as a convenient narrative of progress to (re)create the city as Modern while remaining youthful and vibrant. Images of the past and the future were regularly and publicly invoked. Colonial Pioneers and Men from the Future were rhetorically exhumed and conceived in order to (re)construct Hamilton. Material and discursive spaces of the cityscape were inhabited by images of a 'citified' Modern Man: the fabled Businessman and his derivatives. Images of masculine bodies offer an insight into constructions of gendered identity. Their 'suited' and impervious bodily boundaries reflect the rigid confines of 1960s masculinities and the firm geometric designs of Modernist buildings. Analysis of advertisements and photographs reveal bodily performances that maintain this identity while establishing an urban and masculine corporeality. A number of 'other' identities were excluded by dominant urban masculinity and offer areas for future research.

Thesis (M. Phil.)--University of Hong Kong, 2005. / Also available in print.

Cette Thèse porte sur les familles tangentielles et les équations de Hamilton--Jacobi. <br />Ces deux sujets sont reliés à des thèmes classiques en théorie des singularités, comme la théorie des enveloppes, les singularités des fronts d'onde et des caustiques, la géométrie symplectique et de contact. <br />Les premiers trois chapitres de la Thèse sont consacrés à l'étude des familles tangentielles, à la classification de leurs singularités stables et simples, et à leurs interprétation dans le cadre de la Géométrie de Contact. <br />Le dernier chapitre est dédié à l'étude des solutions de minimax pour l'équation de Hamilton--Jacobi, notamment à la classification des leurs singularités génériques de petite codimension.

L'objet principal de cette thèse est l'application de méthodes nouvelles inspirées de l'analyse non-lisse et impliquant l'équation Hamilton-Jacobi pour l'étude de certains problèmes en théorie du contrôle. Notre travail se compose de trois parties : * La première partie est consacrée à la généralisation d'un résultat célèbre de R. Vinter (1993) qui porte sur la dualité non-convexe en contrôle optimal. Entre autre, ceci mène à une nouvelle caractérisation de la fonction temps minimal. * Dans la deuxième partie, nous étudions l'équation classique d'Hamilton-Jacobi de la fonction temps minimal mais dans un domaine contenant l'origine. Nous démontrons l'existence de solutions et même d'une solution minimale de cette équation, et établissons des liens avec les trajectoires géodésiques. * La dernière partie de cette thèese est consacr\ée à l'étude des boucles minimales pour les systèmes de contrôle. Nous donnons des conditions nécessaires et suffisantes pour l'existence de ces boucles en un point donné.

Thesis (Ph. D.)--Ohio State University, 2006. / Title from first page of PDF file. Includes bibliographical references (p. 145-151).

In this article we study the geometry associated with the sub-elliptic operator ½ (X²1 +X²2), where X1 = ∂x and X2 = x²/2 ∂y are vector fields on R². We show that any point can be connected with the origin by at least one geodesic and we provide an approximate formula for the number of the geodesics between the origin and the points situated outside of the y-axis. We show there are in¯nitely many geodesics between the origin and the points on the y-axis.

In the present work, we study wave phenomena in strongly nonlinear lattices. Such lattices are characterized by the absence of classical linear waves. We demonstrate that compactons – strongly localized solitary waves with tails decaying faster than exponential – exist and that they play a major role in the dynamics of the system under consideration. We investigate compactons in different physical setups. One part deals with lattices of dispersively coupled limit cycle oscillators which find various applications in natural sciences such as Josephson junction arrays or coupled Ginzburg-Landau equations. Another part deals with Hamiltonian lattices. Here, a prominent example in which compactons can be found is the granular chain. In the third part, we study systems which are related to the discrete nonlinear Schrödinger equation describing, for example, coupled optical wave-guides or the dynamics of Bose-Einstein condensates in optical lattices. Our investigations are based on a numerical method to solve the traveling wave equation. This results in a quasi-exact solution (up to numerical errors) which is the compacton. Another ansatz which is employed throughout this work is the quasi-continuous approximation where the lattice is described by a continuous medium. Here, compactons are found analytically, but they are defined on a truly compact support. Remarkably, both ways give similar qualitative and quantitative results. Additionally, we study the dynamical properties of compactons by means of numerical simulation of the lattice equations. Especially, we concentrate on their emergence from physically realizable initial conditions as well as on their stability due to collisions. We show that the collisions are not exactly elastic but that a small part of the energy remains at the location of the collision. In finite lattices, this remaining part will then trigger a multiple scattering process resulting in a chaotic state. / In der hier vorliegenden Arbeit werden Wellenphänomene in stark nichtlinearen Gittern untersucht. Diese Gitter zeichnen sich vor allem durch die Abwesenheit von klassischen linearen Wellen aus. Es wird gezeigt, dass Kompaktonen – stark lokalisierte solitäre Wellen, mit Ausläufern welche schneller als exponentiell abfallen – existieren, und dass sie eine entscheidende Rolle in der Dynamik dieser Gitter spielen. Kompaktonen treten in verschiedenen diskreten physikalischen Systemen auf. Ein Teil der Arbeit behandelt dabei Gitter von dispersiv gekoppelten Oszillatoren, welche beispielsweise Anwendung in gekoppelten Josephsonkontakten oder gekoppelten Ginzburg-Landau-Gleichungen finden. Ein weiterer Teil beschäftigt sich mit Hamiltongittern, wobei die granulare Kette das bekannteste Beispiel ist, in dem Kompaktonen beobachtet werden können. Im dritten Teil werden Systeme, welche im Zusammenhang mit der Diskreten Nichtlinearen Schrödingergleichung stehen, studiert. Diese Gleichung beschreibt beispielsweise Arrays von optischen Wellenleitern oder die Dynamik von Bose-Einstein-Kondensaten in optischen Gittern. Das Studium der Kompaktonen basiert hier hauptsächlich auf dem numerischen Lösen der dazugehörigen Wellengleichung. Dies mündet in einer quasi-exakten Lösung, dem Kompakton, welches bis auf numerische Fehler genau bestimmt werden kann. Ein anderer Ansatz, der in dieser Arbeit mehrfach verwendet wird, ist die Approximation des Gitters durch ein kontinuierliches Medium. Die daraus resultierenden Kompaktonen besitzen einen im mathematischen Sinne kompakten Definitionsbereich. Beide Methoden liefern qualitativ und quantitativ gut übereinstimmende Ergebnisse. Zusätzlich werden die dynamischen Eigenschaften von Kompaktonen mit Hilfe von direkten numerischen Simulationen der Gittergleichungen untersucht. Dabei wird ein Hauptaugenmerk auf die Entstehung von Kompaktonen unter physikalisch realisierbaren Anfangsbedingungen und ihre Kollisionen gelegt. Es wird gezeigt, dass die Wechselwirkung nicht exakt elastisch ist, sondern dass ein Teil ihrer Energie an der Position der Kollision verharrt. In endlichen Gittern führt dies zu einem multiplen Streuprozess, welcher in einem chaotischen Zustand endet.