5,839 research outputs found
Benjamin Franklin and the leather-apron men: the politics of class in eighteenth-century Philadelphia
Benjamin Franklin's autobiography reveals his deep investment in shaping and controlling how both his contemporaries and posterity assessed his life and achievements. This essay explores Franklin's construction and presentation of his pride in his working-class origins and identity, analysing how and why Franklin sought not to hide his poor origins but rather to celebrate them as a virtue. As an extremely successful printer, Franklin had risen from working-class obscurity to the highest ranks of Philadelphia society, yet unlike other self-made men of the era Franklin embraced and celebrated his artisanal roots, and he made deliberate use of his working-class identity during the Seven Years War and the subsequent imperial crisis, thereby consolidating his own reputation and firming up the support of urban workers who considered him one of their own
Disney’s American revolution
This essay adopts an innovative interdisciplinary approach to the analysis of Disney's representations of the American founding in television and movie productions as secondary works; that is, as works of historical interpretation. “The Liberty Story” (1957), Johnny Tremain (1957) and The Swamp Fox (1959–60) are analysed in the context of contemporaraneous historiographical trends. The essay demonstrates that despite certain flaws and weaknesses, Disney's representations sometimes presented innovative themes and insightful interpretations, which at the height of the Cold War influenced popular understanding of the American founding and the society that it produced
Freedom Seekers
Freedom Seekers: Escaping from Slavery in Restoration London reveals the hidden stories of enslaved and bound people who attempted to escape from captivity in England’s capital. In 1655 White Londoners began advertising in the English-speaking world’s first newspapers for enslaved people who had escaped. Based on the advertisements placed in these newspapers by masters and enslavers offering rewards for so-called runaways, this book brings to light for the first time the history of slavery in England as revealed in the stories of resistance by enslaved workers. Featuring a series of case-studies of individual "freedom-seekers", this book explores the nature and significance of escape attempts as well as detailing the likely routes and networks they would take to gain their freedom. The book demonstrates that not only were enslaved people present in Restoration London but that White Londoners of this era were intimately involved in the construction of the system of racial slavery, a process that traditionally has been regarded as happening in the colonies rather than the British Isles. An unmissable and important book that seeks to delve into Britain’s colonial past
Short-range spin glasses and Random Overlap Structures
Properties of Random Overlap Structures (ROSt)'s constructed from the
Edwards-Anderson (EA) Spin Glass model on with periodic boundary
conditions are studied. ROSt's are random matrices whose entries
are the overlaps of spin configurations sampled from the Gibbs measure. Since
the ROSt construction is the same for mean-field models (like the
Sherrington-Kirkpatrick model) as for short-range ones (like the EA model), the
setup is a good common ground to study the effect of dimensionality on the
properties of the Gibbs measure. In this spirit, it is shown, using translation
invariance, that the ROSt of the EA model possesses a local stability that is
stronger than stochastic stability, a property known to hold at almost all
temperatures in many spin glass models with Gaussian couplings. This fact is
used to prove stochastic stability for the EA spin glass at all temperatures
and for a wide range of coupling distributions. On the way, a theorem of Newman
and Stein about the pure state decomposition of the EA model is recovered and
extended.Comment: 27 page
Evidence for a continuum limit in causal set dynamics
We find evidence for a continuum limit of a particular causal set dynamics
which depends on only a single ``coupling constant'' and is easy to
simulate on a computer. The model in question is a stochastic process that can
also be interpreted as 1-dimensional directed percolation, or in terms of
random graphs.Comment: 24 pages, 19 figures, LaTeX, adjusted terminolog
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Examining Chemotherapy-Related Cognitive Changes in Colorectal Cancer Patients: A Feasibility Trial
Introduction: Research suggests that chemotherapy may be related to decline in patients’ cognitive functions.
Objectives: To assess the feasibility and acceptability of a multi-site study designed to examine the nature and extent of chemotherapy-related cognitive changes in colorectal cancer patients.
Method: Data was collected over 8 months using objective and self-reported measures of cognitive functioning and self-reported quality of life, fatigue and mood questionnaires. The assessment battery was administered pre- and mid-chemotherapy treatment to a consecutive sample of colorectal cancer patients across three Londonbased NHS Trusts. Participants included patients who had undergone colorectal surgery and were scheduled to have adjuvant chemotherapy treatment, or no further cancer treatment.
Main outcome measures: Recruitment procedures, rate of recruitment, suitability of exclusion/inclusion criteria, acceptability of data collection procedures and the battery, and attrition rates.
Results: From 1 April 2014 to 1 December 2014, 42 eligible participants were invited to take part in the trial. Of the 17 that completed pre-chemotherapy assessments, only 1 withdrew at follow-up due to reasons of ill health from disease recurrence. All participants completed the entire battery and indicated that they found the trial acceptable.
Conclusions: What went wrong: Strained researcher resources; loss of eligible participants to competing studies, restrictive upper age limit.
Possible solutions: Removal of upper age limit, an increased dedicated research team to increase rate of recruitment. The large multi-site study is feasible with suggested amendments and is acceptable to patients and medical teams. Acceptability of trial to medical teams is further evidenced by requests of collaboration from two additional London based NHS Trusts.
Lessons learned: This feasibility trial provides evidence to other researchers designing similar studies in this area of an acceptable design and the need for appropriate funding for resources to recruit large enough consecutive samples of patients with solid tumour cancers
Lyapunov exponents for products of complex Gaussian random matrices
The exact value of the Lyapunov exponents for the random matrix product with each , where
is a fixed positive definite matrix and a complex Gaussian matrix with entries standard complex normals, are
calculated. Also obtained is an exact expression for the sum of the Lyapunov
exponents in both the complex and real cases, and the Lyapunov exponents for
diffusing complex matrices.Comment: 15 page
Black runaways in eighteenth-century Britain
An analysis of newspaper advertisements in eighteenth century Britain offering enslaved people for sale, or seeking their return after they had escaped
A stochastic model for the evolution of the web allowing link deletion
Recently several authors have proposed stochastic evolutionary models for the growth of the web graph and other networks that give rise to power-law distributions. These models are based on the notion of preferential attachment leading to the ``rich get richer'' phenomenon. We present a generalisation of the basic model by allowing deletion of individual links and show that it also gives rise to a power-law distribution. We derive the mean-field equations for this stochastic model and show that by examining a snapshot of the distribution at the steady state of the model, we are able to tell whether any link deletion has taken place and estimate the link deletion probability. Our model enables us to gain some insight into the distribution of inlinks in the web graph, in particular it suggests a power-law exponent of approximately 2.15 rather than the widely published exponent of 2.1
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