Search Results - "Toivanen, Jari"

Refine Results
  1. 1

    Late onset spinal motor neuronopathy is caused by mutation in CHCHD10 by Penttilä, Sini, Jokela, Manu, Bouquin, Heidi, Saukkonen, Anna Maija, Toivanen, Jari, Udd, Bjarne

    Published in Annals of neurology (01-01-2015)
    “…Objective A study was undertaken to identify the responsible gene defect underlying late onset spinal motor neuronopathy (LOSMoN/SMAJ; Online Mendelian…”
    Get full text
    Journal Article
  2. 2

    An iterative method for pricing American options under jump-diffusion models by Salmi, Santtu, Toivanen, Jari

    Published in Applied numerical mathematics (01-07-2011)
    “…We propose an iterative method for pricing American options under jump-diffusion models. A finite difference discretization is performed on the partial…”
    Get full text
    Journal Article
  3. 3

    A high-order front-tracking finite difference method for pricing American options under jump-diffusion models by Toivanen, Jari

    Published in The journal of computational finance (01-03-2010)
    “…A free-boundary formulation is considered for the price of American options under jump-diffusion models with finite jump activity. On the free boundary a…”
    Get full text
    Journal Article
  4. 4

    IMEX schemes for pricing options under jump–diffusion models by Salmi, Santtu, Toivanen, Jari

    Published in Applied numerical mathematics (01-10-2014)
    “…We propose families of IMEX time discretization schemes for the partial integro-differential equation derived for the pricing of options under a jump–diffusion…”
    Get full text
    Journal Article
  5. 5

    A multilevel FETI‐DP method and its performance for problems with billions of degrees of freedom by Toivanen, Jari, Avery, Philip, Farhat, Charbel

    “…Summary A multilevel generalization of the dual‐primal finite element tearing and interconnecting (FETI‐DP) domain decomposition method is proposed for very…”
    Get full text
    Journal Article
  6. 6

    Operator splitting methods for pricing American options under stochastic volatility by Ikonen, Samuli, Toivanen, Jari

    Published in Numerische Mathematik (01-08-2009)
    “…We consider the numerical pricing of American options under Heston’s stochastic volatility model. The price is given by a linear complementarity problem with a…”
    Get full text
    Journal Article
  7. 7

    Reduced order models for pricing European and American options under stochastic volatility and jump-diffusion models by Balajewicz, Maciej, Toivanen, Jari

    Published in Journal of computational science (01-05-2017)
    “…•A computationally cheap and accurate hyper-reduction approach for the early exercise constraint of American options is proposed.•Proposed approach…”
    Get full text
    Journal Article
  8. 8

    A fast Fourier transform based direct solver for the Helmholtz problem by Toivanen, Jari, Wolfmayr, Monika

    Published in Numerical linear algebra with applications (01-05-2020)
    “…Summary This article is devoted to the efficient numerical solution of the Helmholtz equation in a two‐ or three‐dimensional (2D or 3D) rectangular domain with…”
    Get full text
    Journal Article
  9. 9

    A hybrid discontinuous Galerkin method for computing the ground state solution of Bose–Einstein condensates by Farhat, Charbel, Toivanen, Jari

    Published in Journal of computational physics (20-05-2012)
    “…A numerical method for computing the ground state solution of Bose–Einstein condensates modeled by the Gross–Pitaevskii equation is presented. In this method,…”
    Get full text
    Journal Article
  10. 10

    A hybrid discontinuous Galerkin method for computing the ground state solution of BoseaEinstein condensates by Farhat, Charbel, Toivanen, Jari

    Published in Journal of computational physics (20-05-2012)
    “…A numerical method for computing the ground state solution of BoseaEinstein condensates modeled by the GrossaPitaevskii equation is presented. In this method,…”
    Get full text
    Journal Article
  11. 11

    Comparison and survey of finite difference methods for pricing American options under finite activity jump-diffusion models by Salmi, Santtu, Toivanen, Jari

    “…Partial integro-differential formulations are often used for pricing American options under jump-diffusion models. A survey on such formulations and their…”
    Get full text
    Journal Article
  12. 12

    ADI schemes for valuing European options under the Bates model by in 't Hout, Karel J., Toivanen, Jari

    Published in Applied numerical mathematics (01-08-2018)
    “…This paper is concerned with the adaptation of alternating direction implicit (ADI) time discretization schemes for the numerical solution of partial…”
    Get full text
    Journal Article
  13. 13
  14. 14

    Efficient numerical methods for pricing American options under stochastic volatility by Ikonen, Samuli, Toivanen, Jari

    “…Five numerical methods for pricing American put options under Heston's stochastic volatility model are described and compared. The option prices are obtained…”
    Get full text
    Journal Article
  15. 15

    A domain decomposition method for discontinuous Galerkin discretizations of Helmholtz problems with plane waves and Lagrange multipliers by Farhat, Charbel, Tezaur, Radek, Toivanen, Jari

    “…A nonoverlapping domain decomposition (DD) method is proposed for the iterative solution of systems of equations arising from the discretization of Helmholtz…”
    Get full text
    Journal Article
  16. 16

    On solving separable block tridiagonal linear systems using a GPU implementation of radix-4 PSCR method by Myllykoski, M., Rossi, T., Toivanen, J.

    “…Partial solution variant of the cyclic reduction (PSCR) method is a direct solver that can be applied to certain types of separable block tridiagonal linear…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Prospective Ultrasound Screening of Men With Cerebrovascular Disease for Abdominal Aortic Aneurysms by Vänni, Ville, Turtiainen, Johanna, Kaustio, Ulla, Toivanen, Jari, Rusanen, Minna, Hernesniemi, Jussi

    Published in Scandinavian journal of surgery (01-09-2021)
    “…Background: The prevalence of abdominal aortic aneurysms is higher in population with other vascular comorbidities, especially among men. Utility of screening…”
    Get full text
    Journal Article
  19. 19

    A damping preconditioner for time-harmonic wave equations in fluid and elastic material by Airaksinen, Tuomas, Pennanen, Anssi, Toivanen, Jari

    Published in Journal of computational physics (20-03-2009)
    “…A physical damping is considered as a preconditioning technique for acoustic and elastic wave scattering. The earlier preconditioners for the Helmholtz…”
    Get full text
    Journal Article
  20. 20