Ce travail de thèse s'inscrit dans le projet à long terme COSFLOS qui a pour but de comprendre l'évolution des structures de l'univers local. Pour cela nous utilisons la relation de Tully-Fisher qui permet de mesurer des distances indépendamment de la loi de Hubble pour des galaxies spirales dans un rayon de 80 Mpc. Mon travail a consisté à collecter, mesurer et analyser les données nécessaires pour cette relation également appelée Luminosity LineWidth (LLW). Cette relation relie la luminosité intrinsèque d'une galaxie à la vitesse maximale de rotation de son gaz neutre. La meilleure façon d'obtenir cette vitesse est de mesurer la largeur de la raie de l'hydrogène neutre (HI) à 21 cm. J'ai effectué de nouvelles observations ainsi que de nouvelles mesures au sein de ce programme, qui aujourd'hui compte 15411 profils HI dans la base de données EDD. J'ai également amélioré l'interface graphique du logiciel de photométrie ARCHANGEL qui nous permet d'obtenir les magnitudes apparentes afin de calculer les distances. Nous verrons que nous avons porté une grande attention sur le calcul du paramètre d'inclinaison de la galaxie observée. Enfin, parmi tous les échantillons en notre possession, j'ai choisi d'étudier plus en détail l'amas de galaxies d'Antlia qui permettra une calibration de la pente de la LLW. Ce travail a commencé par la sélection des candidates, a continué avec les observations puis les mesures et pour se finir sur la détermination des distances nécessaires à la calibration de la relation de Tully-Fisher

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Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal

Horatio Lord Nelson, Britain's most famous naval figure, revolutionized what victory meant to the British Royal Navy and the British populace at the turn of the nineteenth century. But his legacy continued after his death in 1805, and a century after his untimely passing Nelson meant as much or more to Britain than he did during his lifetime. This thesis utilizes primary sources from the British Royal Navy and the general British public to explore what the cultural memory of Horatio Nelson's life and achievements meant to Britain throughout the Edwardian era and to the dawn of the First World War. An introductory literature review provides a thorough explanation of how Nelson's legacy has been perceived by past historians and how this legacy will be examined throughout the thesis. The manner in which Nelson was viewed by both his naval contemporaries and the general British public during his lifetime is then surveyed, with a specific focus on the outpouring of national grief that followed Nelson's death at the Battle of Trafalgar in 1805. A major portion of the thesis explores how Nelson's legacy developed throughout the century following his death. Separate studies of Nelson's professional memory among his Royal Navy successors and his cultural memory in British society as it became ever more focused on naval concerns follow; these take the thesis chronologically up through the final decades of the nineteenth century and are then combined in a discussion of the degree to which Nelson's legacy permeated all Britons, regardless of profession, in the early years of the twentieth century. The thesis concludes with a brief discussion of the impact Nelson's legacy had on Britain during the early months of the First World War and a broader analysis of how the cultural and professional memory of Horatio Nelson's naval achievements in 1805 created an atmosphere in which a naval victory decisive enough to satisfy all aspects of British society was impossible in 1914.

<p>We examine the Einstein equation coupled to the Klein-Gordon equation for a complex-valued scalar field. These two equations together are known as the Einstein-Klein-Gordon system. In the low-field, non-relativistic limit, the Einstein-Klein-Gordon system reduces to the Poisson-Schrödinger system. We describe the simplest solutions of these systems in spherical symmetry, the spherically symmetric static states, and some scaling properties they obey. We also describe some approximate analytic solutions for these states.</p><p>The EKG system underlies a theory of wave dark matter, also known as scalar field dark matter (SFDM), boson star dark matter, and Bose-Einstein condensate (BEC) dark matter. We discuss a possible connection between the theory of wave dark matter and the baryonic Tully-Fisher relation, which is a scaling relation observed to hold for disk galaxies in the universe across many decades in mass. We show how fixing boundary conditions at the edge of the spherically symmetric static states implies Tully-Fisher-like relations for the states. We also catalog other ``scaling conditions'' one can impose on the static states and show that they do not lead to Tully-Fisher-like relations--barring one exception which is already known and which has nothing to do with the specifics of wave dark matter.</p> / Dissertation

在許多科學領域裡所蒐集到的資料是具有方向性且落在單位球上，而在具有方向性且在單位球上的資料分配中，最重要也是最常使用的分配是3維的von Mises-Fisher分配。在過去有許多學者專家曾分析過具有3維von Mises-Fisher分配的資料，其中Nunez-Antonio和Gutierrez-Pena (2005)也曾利用全貝氏法來分析此種資料。本文首次嘗試利用半母數貝氏法來分析具有3維von Mises-Fisher分配的資料。除了介紹如何估計參數以及預測未來資料的機率密度函數外，本文也將檢定兩組分別服從不同3維von Mises-Fisher分配的資料其平均方向是否相同，並且提供選取先驗分配與其參數之建議。

Thesis (B.A.)--Haverford College, Dept. of History, 2009. / Includes bibliographical references.

Thesis (M.Com. (Economics & Economic History)) - Rhodes University, 2006. / A thesis submitted in partial fulfilment of the requirements of the degree of Masters of Commerce in Financial Markets.

We augment a standard monetary VAR on output growth, inflation and the nominal interest rate with the central bank's inflation target, which we estimate from a New Keynesian DSGE model. Inflation target shocks give rise to a simultaneous increase in inflation and the nominal interest rate in the short run, at no output expense, which stands at the center of an active current debate on the Neo-Fisher effect. In addition, accounting for persistent monetary policy changes reflected in inflation target changes improves identification of a standard temporary nominal interest rate shock in that it strongly alleviates the price puzzle. / Series: Department of Economics Working Paper Series

The classical one way MANOVA model is used to test whether the mean measurements are the same or differ across p groups, and assumes that the covariance matrix of each group is the same. This work suggests using the Olive (2017abc) bootstrap technique to develop analogs of one way MANOVA test. A large sample theory test has also been developed. The bootstrap tests can have considerable outlier resistance, and the tests do not need the population covariance matrices to be equal. The two sample Hotelling's T^2 test is the special case of the one way MANOVA model when p =2.