40,636 research outputs found

    Geology Programs and Disciplinary Accreditation

    Get PDF
    This report raises the question of whether accreditation may be coming to the geology discipline, and attempts to quantify the positions on accreditation of academic department heads/chairs. The study makes a distinction between institutional and specialized (or disciplinary) accreditation and explores attitudes toward both types. Results of the analysis are presented with a discussion of two methods of data interpretation, a multivariate analysis technique and the Chi square test for heterogeneity or independence. The report concludes that there is currently insufficient support for establishing disciplinary accreditation in geology. Educational levels: Graduate or professional

    A proof of the refined Gan--Gross--Prasad conjecture for non-endoscopic Yoshida lifts

    Get PDF
    We prove a precise formula relating the Bessel period of certain automorphic forms on GSp4(AF){\rm GSp}_{4}(\mathbb{A}_{F}) to a central LL-value. This is a special case of the refined Gan--Gross--Prasad conjecture for the groups (SO5,SO2)({\rm SO}_{5},{\rm SO}_{2}) as set out by Ichino--Ikeda and Liu. This conjecture is deep and hard to prove in full generality; in this paper we succeed in proving the conjecture for forms lifted, via automorphic induction, from GL2(AE){\rm GL}_{2}(\mathbb{A}_{E}) where EE is a quadratic extension of FF. The case where E=F×FE=F\times F has been previously dealt with by Liu.Comment: 38 pages in Forum Mathematicum (2016

    Trivializations of differential cocycles

    Full text link
    Associated to a differential character is an integral cohomology class, referred to as the characteristic class, and a closed differential form, referred to as the curvature. The characteristic class and curvature are equal in de Rham cohomology, and this is encoded in a commutative square. In the Hopkins--Singer model, where differential characters are equivalence classes of differential cocycles, there is a natural notion of trivializing a differential cocycle. In this paper, we extend the notion of characteristic class, curvature, and de Rham class to trivializations of differential cocycles. These structures fit into a commutative square, and this square is a torsor for the commutative square associated to characters with degree one less. Under the correspondence between degree 2 differential cocycles and principal circle bundles with connection, we recover familiar structures associated to global sections.Comment: 20 pages; several minor corrections/revisions in v

    The Debt and Other Poems

    Get PDF
    A selection of poems, translations, and imitations written from 2009-2015

    Driving offences

    Get PDF
    Copyright @ 2010, Taylor & Francis Group. This material is posted on this site with the permission of the publishers.This chapter on driving offences will largely follow the template of earlier chapters except that owing to their vast number, a limited selection only will be examined based on their high volume, seriousness and public concern. The first section will define what driving offences are, how they developed alongside the emerging car culture, and it will consider the contemporary landscape. The second section will give a general overview of patterns and trends, those most likely to engage in road traffic offending, and kinds of explanations voiced by drivers and theoretical approaches used. The next three sections will follow a similar pattern and focus on speeding, bad driving – mostly dangerous and careless offences, and impaired driving – mostly drink-driving but mentioning drug-driving and fatigued driving. In addition, contemporary debates and key issues concerning each will be considered, along with official responses to each offence category comprising court-based penalties and other measures. The final section will draw the key threads and themes together, noting the danger of work-related driving. Given that up to a third of all road traffic collisions involve somebody at work at the time accounting for up to 20 fatalities and 250 serious injuries every week (DfT and HSE, 2003), the importance of reducing traffic offending is clear

    Cellular Phones Influence(s) and Impacts(s) on Social Interactions and Interpersonal Relationships

    Get PDF
    This paper seeks to explore how cellular phones (cell phones/mobiles) have influenced and impacted social interactions and interpersonal relationships. There have been a number of suggested theories and studies that have been contributed to the rising popularity and commonality of cell phones as to how they are affecting the way individuals are interacting in society. Some of these include, a change in the concept of time and space (Fortunati, 2002), lack of face-to-face interaction (Thompson and Cupples, 2008), the maintenance of relationships, social absences, and social dependency (Reid and Reid, 2004). In addition to these ideas, it has also been suggested that the use of cell phones has had a negative affect on social relationships, grammar, and increased social anxiety (Tully, 2003)

    Vehicle-related crime and the gender gap

    Get PDF
    Although vehicle-related offending and traffic offenders are of interest to some behavioural psychologists, criminologists have been less enthused and their concern has been largely restricted to crime to vehicles rather than crime by drivers or wider society. Both disciplines have, however, largely ignored the contribution of women to vehicle-related offending statistics, mirroring the pattern seen in regard to mainstream offending. This paper attempts to plug the gap by considering the relative contributions of men and women to motoring conviction data and self-report offending studies. To some extent it also does this by age, where evidence for a ‘ladette’ style of driving among young women is examined from the conviction data. In general, a gender gap similar to that in mainstream crime is noted, and key theoretical explanations that could account for this are assembled. Implications for improving road safety and research are then considered given this gap and emerging support for the non-homogeneity of female driving styles

    Studies of oxygen-related and carbon-related defects in high-efficiency solar cells

    Get PDF
    Oxygen and carbon related defects in silicon, particularly as related to high-efficiency silicon solar cells were studied. A summary of oxygen processes in silicon versus process temperature was shown along with experimental results. The anamolous diffusion of oxygen was explained by the dissociation of the center allowing O sub i to move through the lattices

    Silver stain for electron microscopy

    Get PDF
    Ammoniacal silver stain used for light microscopy was adapted advantageously for use with very thin biological sections required for electron microscopy. Silver stain can be performed in short time, has more contrast, and is especially useful for low power electron microscopy
    corecore