3,422 research outputs found
Bayesian Nonparametric Construction of the Fleming-Viot Process with Fertility Selection
No full textThis paper provides the construction in a Bayesian setting of the Fleming-Viot measurevalued process with diploid fertility selection and highlights new connections between Bayesian nonparametrics and population genetics. Via a generalisation of the Blackwell-MacQueen Polya-urn scheme, a Markov particle process is defined such that the associated process of empirical measures converges to the Fleming-Viot diffusion. The stationary distribution, known from Ethier and Kurtz (1994), is then derived through an application of the Dirichlet process mixture model and shown to be the de Finetti measure of the particle process. The Fleming-Viot process with haploid selection is derived as a special case.Fleming-Viot process; Measure-valued process; Fertility selection; Gibbs sampler; Dirichlet process mixture model; Blackwell-MacQueen urn-scheme
A Fleming-Viot process and Bayesian nonparametrics
No full textThis paper provides a construction of a Fleming-Viot measure valued diffusion process, for which the transition function is known, by extending recent ideas of the Gibbs sampler based Markov processes. In particular, we concentrate on the Chapman-Kolmogorov consistency conditions which allows a simple derivation of such a Fleming-Viot process, once a key and apparently new combinatorial result for Polya-urn sequences has been establishe
On the Origins of the Fleming-Mundell Model
No full textForty years ago, Marcus Fleming and Robert Mundell developed independent models of macroeconomic policy in open economies. Why do we link the two, and why do we call the result the Mundell-Fleming, rather than Fleming-Mundell model? Copyright 2003, International Monetary Fund
Construction and Stationary Distribution of the Fleming-Viot Process with Viability Selection
No full textThis paper provides an explicit construction of the Fleming-Viot process with viability selection in a Bayesian nonparametric framework, and derives its stationary distribution. The measure-valued diffusion is obtained as the infinite population limit of the empirical measures of a semi-Markov process of exchangeable particles. In the limit the stationary distribution is shown to be the two-parameter Poisson-Dirichlet process, also known as the Pitman-Yor process.Fleming-Viot process; semi-Markov process; viability selection; stationary distribution; two-parameter Poisson-Dirichlet process.
Reflections on Stephen Crane
No full textLike a lot of people, I was first introduced to Crane in a high school English class, but since the book was The Red Badge of Courage, and hence about war, I paid little attention. I did not care about war or about Henry Fleming at that point; I cared about characters named Tess Durbeyfield and Carrie Meeber, after finding Hardy's Tess of the D'Urbervilles and Dreiser's Sister Carrie in a bin of marked-down books, books so cheap that the covers fell off and scattered the green newsprint pages until I rubber-banded them back together for a second reading. We were taught that Stephen Crane had an important place in literature because he used symbolism, a term dear to my teacher's heart. She explained that "The red sun was pasted in the sky like a wafer" referred to a communion wafer, whereas I, as an inveterate reader of Victorian fiction and the language of sealing wax and correspondence, thought a wafer was simply something used to seal a letter. But reading Maggie: A Girl of the Streets for the first time revealed an entirely different Stephen Crane. Here was Maggie Johnson, a character worthy to stand beside Tess and Carrie, a girl whose environment stacked the cards against her in some almost unbearable ways yet who tried as best she could to escape her fate and to create meaning and beauty from the life she'd been given. This kind of courage interested me as Henry Fleming's never had, as in this passage from chapter 6: 1. "She spent some of her week's pay in the purchase of flowered cretonne for a lambrequin. She made it with infinite care and hung it to the slightly-careening mantel, over the stove, in the kitchen."Campbell, Donna. Reflections on Stephen Crane. Special Issue: Great Moments in Crane's Work. Stephen Crane Studies 15.2 (Spring 2006): 13-16
Fleming, adaptation, and the author biopic
No full textThe mini-series Fleming: The Man Who Would Be Bond, which aired in the U.S. on BBC America and in the U.K. on Sky Atlantic in 2014, offered an entertaining and glamorised account of Ian Fleming, creator of James Bond. Focusing in particular on Fleming’s time during the Second World War, a period in which he served in British Naval Intelligence, successive episodes comprised embroidered accounts of his experiences, with a heavy emphasis on scenes and motifs that chimed with the doings of his most famous character. This approach to the author’s life-story foregrounded the same elements upon which previous small-screen biographies of Ian Fleming had focused, especially his creation of Bond. The TV film Goldeneye: The Secret Life of Ian Fleming (1989) addressed his wartime experiences and subsequent Bond writing, while Spymaker: The Secret Life of Ian Fleming (1990) doubled down on its Bond connections by casting Jason Connery (son of original film 007, Sean Connery) as Fleming in a Second World War adventure with numerous James Bond parallels. Likewise, Ian Fleming: Bondmaker (2005) and Ian Fleming: Where Bond Began (2008) both framed Fleming first and foremost in terms of his literary creation.
With high production values, and a strong cast that included Dominic Cooper, Lara Pulver, and Samuel West, Fleming bore several of the hallmarks of what has come to be called “quality television” (Thompson, 1997) , and was heavily promoted in the weeks running up to its broadcast. However, a contemporary review in Wired by Graeme McMillan saw it as evidence of a problematic tendency in recent biopics. McMillan asserted that while such texts were previously “a mix of entertainment, education and guilt-free voyeurism,” they have become “a contradictory mix of hagiography and revisionism, lionizing their subjects while somehow managing to diminish them in comparison to the products of their imagination” (McMillan, 2014). In this chapter I will look to unpick this contention, and—in particular—to approach Fleming and the author biopic in terms of adaptation
Stephen Crane's Man in war
No full textStephen Crane uses man in war to represent universal man in relation to a naturalistic universe. Therefore, an examination of his characters in his war fiction illuminates the author's concept of man's position in the universe. Crane's most important man in war is Henry Fleming in The Red Badge of Courage. Through Fleming the author indicates a learning process which is a development of both the character and a code of conduct. This code of conduct can be traced throughout Crane's war fiction and is the standard by which his soldier judges himself and his fellows. It consists mainly of courage, self-knowledge, and performance of duty. Adherence to a code leads to the achievement of human dignity--man's only hope in a naturalistic world. The process of learning is reiterated in "A Mystery of Heroism," which also shows the protagonist adhering to a code. In contrast, Crane portrays man's failure to learn in "Death and the Child.
Bayesian nonparametric construction of the Fleming-Viot process with fertility selection
No full textThis paper provides a construction in the Bayesian framework of the Fleming-Viot measure-valued diffusion with diploid fertility selection, and highlights new connections between Bayesian nonparametrics and population genetics. Via a generalisation of the Blackwell-MacQueen Polya-urn scheme, a Markov particle process is defined such that the associated process of empirical measures converges to the Fleming-Viot diffusion. The stationary distribution, known from Ethier and Kurtz (1994), is then derived through an application of the Dirichlet process mixture model and shown to be the de Finetti measure of the particle process. The Fleming-Viot process with haploid selection is derived as a special cas
“HE ASKED IF I KNEW ANYTHING ABOUT THE UNIVERSE. AND I TOLD HIM NO”: ALIEN ABDUCTIONS IN AMERICAN LITERATURE
No full text(Statement of Responsibility) by Stephen James Fleming(Thesis) Thesis (B.A.) -- New College of Florida, 2016RESTRICTED TO NCF STUDENTS, STAFF, FACULTY, AND ON-CAMPUS USE(Bibliography) Includes bibliographical references.This bibliographic record is available under the Creative Commons CC0 public domain dedication. The New College of Florida Libraries, as creator of this bibliographic record, has waived all rights to it worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law.Faculty Sponsor: Dimino, Andre
A Flaming-Viot Process and Bayesian non Parametric
No full textThis paper provides a construction of a Fleming-Viot measure valued diffusion process, for which the transition function is known, by extending recent ideas of Gibbs sampler based Markov processes. In particular, we concentrate on the Chapman-Kolmogorov consistency conditions which allows a simple derivation of such a Fleming-Viot process, once a key, and apparently new combinatorial result for P´olya-urn sequences has been established.Chapman-Kolmogorov; Diffusion process; Dirichlet process; Polyaurn scheme; Population genetics.
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