2,386 research outputs found

    A brief history of long memory: Hurst, Mandelbrot and the road to ARFIMA

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    Long memory plays an important role in many fields by determining the behaviour and predictability of systems; for instance, climate, hydrology, finance, networks and DNA sequencing. In particular, it is important to test if a process is exhibiting long memory since that impacts the accuracy and confidence with which one may predict future events on the basis of a small amount of historical data. A major force in the development and study of long memory was the late Benoit B. Mandelbrot. Here we discuss the original motivation of the development of long memory and Mandelbrot's influence on this fascinating field. We will also elucidate the sometimes contrasting approaches to long memory in different scientific communitiesComment: 40 page

    New techniques in signal coding

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    Sequential rhetoric: Teaching comics as visual rhetoric

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    With the demand for data visualization and technical visuals perpetually growing, creating effective graphics in professional communication has become even more exigent. However, when students are asked to include graphics in a document, most turn to generic Google image searches or tired clipart without engaging in actual image production. My research project is an empirical classroom study that incorporates progymnasmata to enable students to create and analyze comics in a step-by-step process to promote visual literacy. While other assignments can achieve this as well, the art form of comics offers a broad range of technology approaches (from minimal to elaborate software) based in a familiar, creative approach that helps bridge the digital divide. My dissertation follows a traditional five-chapter format. The second chapter is a literature review of the relevant theory informing my study, including visual rhetoric, multimodality, comics definitions, comics as ancient rhetoric, and comics studies. The third chapter justifies my methodology, explores the theory that drives my methodology (progymnasmata and critical pedagogy), explains my research project, and explores the codes that emerged. The fourth chapter discusses the different themes that emerged from student\u27s responses while focusing on those most relevant to my research study. The fifth chapter analyzes the student\u27s data, interprets it, puts it in context, discusses its limitations, suggests results unique to comics, and recommends future approaches to the study

    Implications of heterogeneous fracture distribution on reservoir quality; an analogue from the Torridon Group sandstone, Moine Thrust Belt, NW Scotland

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    This research was funded by a NERC CASE studentship (NERC code NE/I018166/1) in partnership with Midland Valley. Midland Valley's Move software was used for cross section construction and strain modelling. 3D Field software is acknowledged for contour map creation. Mark Cooper is thanked for constructive comments. Steven Laubach and Bill Dunne are thanked overseeing the editorial process and Magdalena Ellis Curry, Bertrand Gauthier and Arthur Lavenu are thanked for constructive reviews.Peer reviewedPublisher PD

    Influence of structural position on fracture networks in the Torridon Group, Achnashellach fold and thrust belt, NW Scotland

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    Acknowledgements This research is funded by a NERC CASE studentship (NERC code NE/I018166/1) in partnership with Midland Valley. The authors thank Midland Valley for use of FieldMove Clino software for fracture data collection, and Move software for cross section construction, and strain modelling. 3D Field software is acknowledged for contour map creation. We also thank Toru Takeshita for overseeing the editorial process, and Catherine Hanks and Ole Petter Wennberg for constructive reviews.Peer reviewedPublisher PD

    Accelerated BS/MS Program in Electrical and Computer Engineering

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    The Electrical and Computer Engineering Department at Missouri University of Science and Technology implemented an Accelerated BS/MS Program in 2019. This program is designed to encourage and facilitate undergraduate majors in electrical and computer engineering to pursue a masters program. It is similar to engineering programs at other institutions that are identified with titles such as accelerated masters, combined BS/MS, and 4+1 options. It reduces the time needed for undergraduates to earn a graduate degree and exposes these students to research work. It provides a route for faculty to obtain quality graduate students and it builds enrollment for the department. This paper discusses the structure and the implementation of the first program of this type at Missouri University of Science and Technology. The experience of the initial electrical and computer engineering students in the Accelerated BS/MS program is described. While the number of students who participated is not large, the program provides a valuable option to the curriculum
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