Browsing Matematisk institutt by Title
Now showing items 1781-1800 of 3782
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)Given a free unitary quantum group G = Au(F), with F not a unitary 2-by-2 matrix, we show that the Martin boundary of the dual of G with respect to any G-Gˆ-invariant, irreducible, finite range quantum random walk coincides ...
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(Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2022)We establish the existence of solutions for a class of stochastic reaction-diffusion systems with cross-diffusion terms modeling interspecific competition between two populations. More precisely, we prove the existence of ...
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(Chapter / Bokkapittel / AcceptedVersion; Peer reviewed, 2022)The paper traces the development of the use of martingale methods in survival analysis from the mid 1970s to the early 1990s. This development was initiated by Aalen’s Berkeley Ph.D.-thesis in 1975, progressed in the late ...
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(Research report / Forskningsrapport, 1974)
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(Research report / Forskningsrapport, 1981)
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(Research report / Forskningsrapport, 1970)
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(Master thesis / Masteroppgave, 2019)In this thesis, we study different methods of likelihood estimation in a Cox proportional hazards model in a nested case-control study. To be more specific, how they deal with the problem of overmatching. This problem has ...
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(Research report / Forskningsrapport, 1987)
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(Research report / Forskningsrapport, 1982)
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)Prenatal maternal anxiety has been associated with both short and long-term mental health problems in the child. The current study aims to examine the association between maternal and paternal prenatal anxiety and behaviour ...
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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)Background The overall aim of this study is to examine the effect of prenatal maternal anxiety on birthweight and gestational age, controlling for shared family confounding using a sibling comparison design. ...
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(Master thesis / Masteroppgave, 2014)
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(Doctoral thesis / Doktoravhandling, 2022)The last decades have witnessed an exponential growth in the amounts of data that are collected, stored, and shared worldwide daily. In many scientific disciplines, information consists of a set of sample points describing ...
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(Research report / Forskningsrapport, 1992)
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(Doctoral thesis / Doktoravhandling, 2019)
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(Research report / Forskningsrapport, 1998)
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Mathematical reserves of unit-linked insurance policies with fractional volatilityRestricted Access (Master thesis / Masteroppgave, 2021)We study models of mathematical reserves of unit-linked insurance policies with fractional volatility. Mathematical reserves are specified amounts of capital that an insurance company is legally obligated to allot to cover ...
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(Research report / Forskningsrapport, 1974)
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(Research report / Forskningsrapport, 2010)
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(Chapter / Bokkapittel / PublishedVersion; Peer reviewed, 2022)The Norwegian school system consists of a seven-year primary school (grades 1–7, ages 6–13), followed by lower secondary school (grades 8–10, ages 13–16) and upper secondary school (grades 11–13, ages 16–19). While in ...