Patents by Inventor Per-Gunnar Martinsson

Per-Gunnar Martinsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050234686
    Abstract: A fast direct method for the solution of structured linear systems of equations. A linear system with a matrix that possesses larger submatrices that are of low ranck (to some precision).
    Type: Application
    Filed: February 7, 2005
    Publication date: October 20, 2005
    Inventors: Hongwei Cheng, Leslie Greengard, Zydrunas Gimbutas, Per-Gunnar Martinsson, Vladimir Rokhlin