The Intellectual Woman’s Cage: Complicating Ideals of Fanon’s “Native Intellectual” in Nervous Conditions

This paper examines—through a post-colonial lens— Tsitsi Dangarembga’s novel Nervous Conditions. In particular, this paper analyzes the characters of Tambu, Nyasha, and Maiguru and how their Western education allows them to fit into their roles as “native intellectuals.” Imposing Franz Fanon’s phases of becoming a “native intellectual” onto these strong, educated female characters greatly complicates his term and process. The idea of the native intellectual is most often applied to men. However, in terms of Dangarembga’s work, it is the female characters that rise to this title. In this acquisition of education the female characters are truly “between two worlds” as they battle both the colonizing culture and the intense patriarchy of their own

Commuting charges and symmetric spaces

Every classical sigma-model with target space a compact symmetric space $G/H$ (with $G$ classical) is shown to possess infinitely many local, commuting, conserved charges which can be written in closed form. The spins of these charges run over a characteristic set of values, playing the role of exponents of $G/H$, and repeating modulo an integer $h$ which plays the role of a Coxeter number.Comment: LaTeX, 16 pages; v2: footnote adde

Two monopoles of one type and one of another

The metric on the moduli space of charge (2,1) SU(3) Bogomolny-Prasad-Sommerfield monopoles is calculated and investigated. The hyperKahler quotient construction is used to provide an alternative derivation of the metric. Various properties of the metric are derived using the hyperKahler quotient construction and the correspondence between BPS monopoles and rational maps. Several interesting limits of the metric are also considered.Comment: 48 pages, LaTeX, 2 figures. Typos corrected. Version in JHE

Conserved Charges and Supersymmetry in Principal Chiral Models

We report on investigations of local (and non-local) charges in bosonic and supersymmetric principal chiral models in 1+1 dimensions. In the bosonic PCM there is a classically conserved local charge for each symmetric invariant tensor of the underlying group. These all commute with the non-local Yangian charges. The algebra of the local charges amongst themselves is rather more subtle. We give a universal formula for infinite sets of mutually commuting local charges with spins equal to the exponents of the underlying classical algebra modulo its Coxeter number. Many of these results extend to the supersymmetric PCM, but with local conserved charges associated with antisymmetric invariants in the Lie algebra. We comment briefly on the quantum conservation of local charges in both the bosonic and super PCMs.Comment: 18 pages, LaTeX. Revised and up-dated version based on conference talks by JME and NJ

Visualization of uncertainty and analysis of geographical data

A team of five worked on this challenge to identify a possible criminal strucutre within the Flitter social network. Initially we worked on the problem individually, deliberately not sharing any data, results or conclusions. This maximised the chances of spotting any blunders, unjustified assumptions or inferences and allowed us to triangulate any common conclusions. After an agreed period we shared our results demonstrating the visualization applications we had built and the reasoning behind our conclusions. This sharing of assumptions encouraged us to incorporate uncertainty in our visualization approaches as it became clear that there was a number of possible interpretations of the rules and assumptions governing the challenge. This summary of the work emphasises one of those applications detailing the geographic analysis and uncertainty handling of the network data. ©2009 IEEE

Updating predictive accident models of modern rural single carriageway A-roads

Reliable predictive accident models (PAMs) are essential to design and maintain safe road networks and yet the models most commonly used in the UK were derived using data collected 20 to 30 years ago. Given that the national personal injury accident total fell by some 30% in the last 25 years, while road traffic increased by over 60%, significant errors in scheme appraisal and evaluation based on the models currently in use seem inevitable. In this paper the temporal transferability of PAMs for modern rural single carriageway A-roads is investigated and their predictive performance is evaluated against a recent data set. Despite the age of these models, the PAMs for predicting the total accidents provide a remarkably good fit to recent data and these are more accurate than models where accidents are disaggregated by type. The performance of the models can be improved by calibrating them against recent data

Enhanced star formation: The importance of bars in spiral galaxies

It was found that among an IR luminous subset of nearby spiral galaxies, nearly all of the systems with IRAS colors and luminosities indicative of enhanced star formation are barred. Radio continuum and IR spectroscopic results support the hypothesis that this emission originates within the central 2 kpc; possibly in a circumnuclear ring. It was also found that outer rings are over represented among these barred systems and suggest possible reasons for this phenomena

Future of an ageing population evidence review; Developing medical fitness and wellbeing environments to maintain health and wellbeing over the lifecourse.

Background and methods This report is derived from a review of the research evidence on physical activity interventions and initiatives, interventions to support self-management/ self-care of long-term conditions and digitally enabled care services and technologies. The aim was to use existing evidence to envision future services and associated infrastructure. The Evidence Review involved scoping the literature for topics researched and to determine the nature of that research. Rapid-scoping review methods were applied to trusted sources, and searches for specific key texts were conducted. A separate search was conducted to identify literature relevant to each domain. A narrative was then produced from the review findings. Review findings The evidence base for physical activity interventions is growing. There has been significant recent investment in the development and evaluation of interventions to promote activity and reduce sedentary behaviour at the individual, community and population levels. The evidence to link higher levels of physical activity to positive health outcomes and disease prevention is convincing, both in ‘well’ populations and in those with long-term health conditions. Self-management interventions are heterogeneous in nature but common elements exist across the majority of them. The consensus in the literature is that self-management will become increasingly important due to unsustainable demands upon services. Evaluation of selfmanagement interventions reveals a small but varying effect across a wide range of outcomes. However, little is known about the mechanisms by which these interventions work and how these might vary across differing conditions and populations. Technology is being increasingly used to support service delivery in a wide range of contexts, and for the delivery of a variety of interventions including fitness and self-management. There is strong evidence supporting the use of technology for remote monitoring of people with longterm conditions, but further research is required. Implications Digital applications are already altering established patterns of service delivery. The findings presented here reveal varying results of efficacy which do not accord with the optimistic future described in various envisaging reports. Research has yet to consider unwanted and unforeseen effects of moving towards technology-enabled services. It is also important to consider how to effectively harness new health data emerging from the use of eHealth systems, technology-enabled services and health-tracking devices. There is an ongoing requirement to evaluate new technologies and technology-enabled services in ways that provide both timely and robust answers, particularly as technology development is a continually moving target. These considerations are discussed in this report

Invariant tensors and Casimir operators for simple compact Lie groups

The Casimir operators of a Lie algebra are in one-to-one correspondence with the symmetric invariant tensors of the algebra. There is an infinite family of Casimir operators whose members are expressible in terms of a number of primitive Casimirs equal to the rank of the underlying group. A systematic derivation is presented of a complete set of identities expressing non-primitive symmetric tensors in terms of primitive tensors. Several examples are given including an application to an exceptional Lie algebra.Comment: 11 pages, LaTeX, minor changes, version in J. Math. Phy