Sökning: "Rikard Engström"

Hittade 3 avhandlingar innehållade orden Rikard Engström.

  1. 1. Competition in the Freight Transport Sector - A Channel Perspective

    Författare :Rikard Engström; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Sammanfattning : .... LÄS MER

  3. 2. Exponential integrators for stochastic partial differential equations

    Författare :Rikard Anton; David Cohen; Christian Engström; Stig Larsson; Annika Lang; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Stochastic partial differential equations; numerical methods; stochastic exponential integrator; strong convergence; trace formulas;

    Sammanfattning : Stochastic partial differential equations (SPDEs) have during the past decades become an important tool for modeling systems which are influenced by randomness. Because of the complex nature of SPDEs, knowledge of efficient numerical methods with good convergence and geometric properties is of considerable importance. LÄS MER

  4. 3. Godskunders värderingar av faktorer som har betydelse på transportmarknaden

    Författare :Sofia Lundberg; Bo-Lennart Nelldal; Rikard Engström; KTH; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Other social sciences; Övrig samhällsvetenskap;

    Sammanfattning : The purpose of this project was to determine the freight customers’ valuations that are im-portant to their choice of transport mode for long-distance freight transportation. The results are intended to form the basis for valuations of changes in the transport system and for fore-cast models. LÄS MER