Institutt for matematiske realfag 1972-1992. IMR 20 år. Knutepunkter i instituttets historie og perspektiver på fag og fremtid
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Baadshaug, Ole (Master thesis; Mastergradsoppgave, 2018-06-29)Moving icebergs represent a major problem for shipping, as well as for oil and gas installations in ice infested waters. To be able to take actions against hazardous icebergs, it is necessary to develop models for prediction of iceberg drift trajectories. Many models have been developed in order to do so, using different approaches. These approaches can be divided into two main categories, dynamic ...
Schulz, Jörn (Doctoral thesis; Doktorgradsavhandling, 2013-12-18)The use of statistical shape analysis in medical settings has increased during the last decades. This thesis presents contributions to three major topics of statistical shape analysis with application to medical problems. These topics are: the modeling of the shape by a geometrical model, the study of rotational shape deformations and the comparison of shapes between populations. Paper I presents ...
Long-range memory in Earth surface temperatures: spatial scale dependence and land-sea differences Fredriksen, Hege-Beate (Master thesis; Mastergradsoppgave, 2013-05-15)The use of long-range memory models as a description of the noise in Earth surface temperatures has increased the recent years, and as a measure of the persistence for such time series we have the Hurst exponent. It is known that sea surface temperatures are more persistent than land temperatures, and that global temperatures are more persistent than local temperatures. We also know that the persistence ...