Sökning: "Point process"

Visar resultat 1 - 5 av 2095 avhandlingar innehållade orden Point process.

  1. 1. On the Vacancy for Coverage Processes and some Related Sampling Strategies

    Författare :Jonas Bygren; Lennart Bondesson; Sara Sjöstedt deLuna; Magnus Ekström; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; absence presence; binomial point process; coverage process; extrapolation; hard-core distance; MCMC; point vacancy; Poisson point process; plot vacancy; spatial point process; Strauss process; vacancy; Mathematical statistics; Matematisk statistik; Mathematical Statistics; matematisk statistik;

    Sammanfattning : .... LÄS MER

  3. 2. Coverage problems for Strauss disc processes

    Författare :Jessica Fahlén; Sara de Luna; Lennart Bondesson; Sven-Erick Alm; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Binomial point process; coverage process; disc process; hard-core distance; McMC; Poisson point process; spatial point process; Strauss process; vacancy; Statistics; Statistik; Mathematical Statistics; matematisk statistik;

    Sammanfattning : .... LÄS MER

  4. 3. Modelling and Inference for Spatio-Temporal Marked Point Processes

    Författare :Ottmar Cronie; Göteborgs universitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Asymptotic normality; Consistency; Cox-Ingersoll-Ross process; Diffusion process; Edge correction; Goodness-of-fit; Richards growth function; Growth-interaction process; Immigration-death process; Least squares estimation; Markov process; Maximum likelihood estimation; Open-growth; Spatio-temporal marked point process; Stationarity; Stochastic differential equation; Transition density; Asymptotic normality;

    Sammanfattning : This thesis deals with inference problems related to the growth-interaction process (GI-process). The GI-process is a continuous time spatio-temporal point process with dynamic interacting marks (closed disks), in which the immigration-death process (ID-process) controls the arrivals of new marked points as well as their potential life-times. LÄS MER

  5. 4. Bridges with Random Length and Pinning Point for Modelling the Financial Information

    Författare :Mohammed Louriki; Astrid Hilbert; Dorje C. Brody; Linnéuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Brownian motion; Brownian bridge; Gaussian process; Gaussian bridge; Gamma process; Gamma bridge; Lévy process; pinned Lévy process; Markov process; Bayes theorem; stopping time; default time; semi-martingale decomposition; credit risk; defaultable bond; last passage time; enlargement of filtration; stochastic filtering theory; information-based asset pricing; market filtration.; Mathematics; Matematik;

    Sammanfattning : The impact of the information concerning an event of interest occurring at a future random time is the main topic of this work. The event can massively influence financial markets and the problem of modelling the information on the time at which it occurs is of crucial importance in financial modelling. LÄS MER

  7. 5. Adoption av elektronisk handel : Innehåll, kontext, process och samspelet mellan dessa

    Författare :Monika Magnusson; Anders G. Nilsson; Péter Révay; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Adoption ”adoption” ; e-commerce “elektronisk handel” ; SME ”små och medelstora företag” ; conceptual framework ”konceptuellt ramverk” ; content ”innehåll” ; context ”kontext” ; process ”process” .; Informatics and systems science; Informatik och systemvetenskap; Information Systems; Informatik;

    Sammanfattning : E-commerce is far more common in large firms than in small and medium-sized enterprises (SMEs). As a result SMEs risk competitive disadvantages. A growing body of research has attended to this problem but few studies examine the adoption of e-commerce from a broader contextual perspective. LÄS MER