146,054 research outputs found

    Letter from Thomas D. Fell to Alden Partridge, 23 May 1839

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    Thomas D. Fell writes from Charleston, South Carolina, to Alden Partridge in Norwich, Vermont, regarding the misconduct of his son, Thomas D. Fell (Jr.), at Norwich University; he holds Asa Howe accountable.Transcription by Raymond Bouchard. Transcriptions may be subject to error

    Letter from Thomas Fell to Alden Partridge, 31 March 1839

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    Thomas D. Fell writes from Charleston, South Carolina, to Alden Partridge in Norwich, Vermont, regarding the misconduct of his son, Thomas D. Fell (Jr.), a student at Norwich University.Transcription by Raymond Bouchard. Transcriptions may be subject to error

    Letter from Thomas Fell to Alden Partridge, 17 December 1838

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    Thomas D. Fell writes from Charleston, South Carolina, to Alden Partridge in Norwich, Vermont, regarding the expenses of his son, Thomas D. Fell (Jr.) at Norwich University.Transcriptions may be subject to error

    Letter from Thomas Fell to Alden Partridge, 29 September 1840

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    Thomas D. Fell writes from Charleston, South Carolina, to Alden Partridge in Norwich, Vermont, regarding the bill of his son, Thomas D. Fell (Jr.), at Norwich University; thanks Partridge for all his kindness to Thomas.Transcription by Raymond Bouchard. Transcriptions may be subject to error

    Coações de grupos e fibrados de Fell

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    Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Matemática Pura e Aplicada, Florianópolis, 2013Um fibrado de Fell sobre um grupo discreto G é uma família B de espaços de Banach indexada por G e munida com operações de multiplicação e involução compatíveis com a estrutura do grupo G. Neste trabalho, entre outros resultados, apresentaremos uma equivalência entre a categoria dos fibrados de Fell sobre G e a categoria das coações contínuas e injetivas do grupo quântico compacto reduzido do grupo (obtido da C*-álgebra reduzida do grupo) em C*-álgebras. No caso em que o grupo é abeliano, mostraremos que a categoria dos fibrados sobre G é equivalente à categoria das ações fortemente contínuas do dual de Pontryagin de G em C*-álgebras.Abstract : A Fell bundle over a discrete group G is a family of Banach spaces {Bt}tEG equipped with multiplication and involution compatible with the group structure of G. In this paper, among others results, we will present an equivalence between the category B of Fell bundles over G and the category of continuous and injective coactions of the compact quantum group C*r (G) in C*-algebras. When the group G is abelian, we will show that B is equivalent to the category of strongly continuous actions of the Pontryagin dual G in C*-algebras

    An investigation into the impact of environmental change upon the vegetation of Widdybank fell, upper Teesdale

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    Widdybank Fell is located in the Upper Teesdale National Nature Reserve in the Northern Pennines. It is internationally renowned for its unique late-glacial relict assemblage of plant species, particularly those on the "sugar limestone” outcrops. Cow Green Reservoir was constructed in the early 1970s and flooded the lower western slopes of Widdybank Fell. At the time there was concern amongst ecologists that the reservoir might alter the local climate and have adverse effects on the remaining vegetation. A comprehensive vegetation survey of Widdybank Fell was carried out by Jones (1973). Aspects of this survey were repeated as part of the present study. There have been significant changes in the composition of some of the plant communities since the 1970s. These changes include a considerable loss of bryophyte diversity and lichen abundance. Overall there has been a decline in "stress tolerant" species, and a loss of calcicole species on the calcareous grasslands. Few of the nationally rare plant species have changed in abundance. Using data from the meteorological stations at Widdybank Fell and from nearby Moor House, it has been demonstrated that the presence of Cow Green Reservoir has resulted in significant changes in the local climate. These changes are consistent with those expected by a classic "lake effect" and include the all year round moderation of minima (e.g. resulting in a reduction in the number of ground frosts). The reservoir has also produced cooler mean air temperatures in spring and warmer mean temperatures in autumn. Despite the observed local climate impact of Cow Green Reservoir it seems most likely that other factors have been responsible for the observed vegetation changes. Acid deposition has probably caused the loss of calcicoles on the calcareous grasslands, and atmospheric nitrogen deposition could explain the loss of bryophyte diversity and lichen abundance

    Ophioplocus marginata Fell 1953

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    Ophioplocus marginata (Fell, 1953) (Fig. 16) Ophioceres marginata Fell, 1953: 103 –105, pl. 1 d–e, fig. 5 a–e.— Baker & Devaney, 1981: figs. 10–13. Material Examined. Otago. TAN 1108 / 148, NIWA 77856 (1). Stewart Island. TAN 1108 / 77, NIWA 74487 (2). Diagnosis. Dorsal disc covered in imbricating disc scales. Enlarged, distinctive marginal interradial disc plates. Short arms (2 x dd), dorsal arm plates fragmented in simple pattern (see Baker & Devaney 1981, figs. 10–13). Disc and arm plates creamy white in life. Description. See Fell (1953). Distribution. Southern New Zealand and subantarctic islands (1–305 m). Remarks. This is the first record of this species from the South Island of New Zealand.Published as part of Mills, V. Sadie & O'Hara, Timothy D., 2013, Ophiuroids (Echinodermata; Ophiuroidea) of biogenic habitats on the continental shelf of New Zealand, pp. 401-444 in Zootaxa 3613 (5) on pages 435-437, DOI: 10.11646/zootaxa.3613.5.1, http://zenodo.org/record/22270

    Alternative Approaches to Cost Containment in a Cap-and-Trade System

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    We compare several emissions reduction instruments, including quantity policies with banking and borrowing, price policies, and hybrid policies (safety valve and price collar), using a dynamic model with stochastic baseline emissions. The instruments are compared under the design goal of obtaining the same expected cumulative emissions across all options. Based on simulation analysis with the model parameterized to values relevant to proposed U.S. climate mitigation policies, we find that restrictions on banking and borrowing, including the provision of interest rates on the borrowings, can severely limit the value of the policy, depending on the regulator-chosen allowance issuance path. Although emissions taxes generally provide the lowest expected abatement costs, a cap-and-trade system combined with either a safety valve or a price collar can be designed to provide expected abatement costs near those of a tax, but with lower emissions variance than a tax. Consistently, a price collar is more cost-effective than a safety valve for a given expected cumulative emissions outcome because it encourages inexpensive abatement when abatement costs decline.cost containment, safety valve, price collar, climate change

    MeSH term explosion and author rank improve expert recommendations

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    Information overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank

    The eschatology of Margaret Fell (1614-1702) and its place in her theology and ministry

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