Spinor algebra and null solutions of the wave equation

In this paper we exploit the ideas and formalisms of twistor theory, to show how, on Minkowski space, given a null solution of the wave equation, there are precisely two null directions in $\ker df$, at least one of which is a shear-free ray congruence

Metaphysical conceits involving death in the writings of John Donne

Much has been written in the past fifty years about John Donne and his work. His troubled life and enigmatic writings have made him seem a kindred spirit to a confused age. To our day the dissonant, abrupt, and calculatedly reckless style and the concern with the harsh realities of love and death have relevance which heretofore had been misunderstood or ignored

Oculomotor Deficits in Diseases of the Basal Ganglia: Parkinson\u27s and Huntington\u27s Diseases

Oculomotor deficits are now recognized as being present in several neurological diseases of the basal ganglia. The present report will focus primarily on those observed in Huntington\u27s and Parkinson\u27s diseases. Neuronal cell loss in the pars compacta of the substantia nigra, degeneration of the nigrostriatal pathway, and consequent depletion of the neurotransmitter dopamine is the most obvious etiological abnormality in Parkinson\u27s disease. Huntington\u27s disease, on the other hand, involves the selective genetically-driven atrophy of the striatum (caudate and putamen). In order to attempt to understand oculomotor dysfunction, as a component of basal ganglia disease, it is necessary to first establish a definition of the basal ganglia, its relevant connections, and their associated neurotransmitters and functions

Challenges Associated with Partnering with Sudanese Refugee Women in Addressing Their Health Issues

Civil war in Sudan has displaced refugees all over the globe. A community-based collaborative action research project (CBCAR) took place over one year between university researchers and southern Sudanese refugee women. The purpose of the study was to define the process of partnering with Sudanese refugee women to address their health needs. CBCAR requires equal participation from researchers and participants and is divided into six cyclical phases: partnership, dialogue, pattern recognition, dialogue on meaning of pattern, transforming insight to action, and reflecting on evolving pattern. Challenges from this project were examined from the perspectives of the researchers and the participants. The main challenges associated with conducting a CBCAR project between researchers and refugee women included: misunderstandings and differing expectations of research outcomes, language barriers, and cultural differences. Despite the challenges, this project led to increased knowledge for participants and researchers and improved health outcomes for the refugee women. This study demonstrates how CBCAR is a useful method to partner with refugees to address their health needs.University of Kansas School of Nursing. Bachelor of Science in Nursing Honors Progra