Search Results - "Toivanen, Jari"
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Late onset spinal motor neuronopathy is caused by mutation in CHCHD10
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…”
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An iterative method for pricing American options under jump-diffusion models
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…”
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3
A high-order front-tracking finite difference method for pricing American options under jump-diffusion models
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…”
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4
IMEX schemes for pricing options under jump–diffusion models
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…”
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5
A multilevel FETI‐DP method and its performance for problems with billions of degrees of freedom
Published in International journal for numerical methods in engineering (07-12-2018)“…Summary A multilevel generalization of the dual‐primal finite element tearing and interconnecting (FETI‐DP) domain decomposition method is proposed for very…”
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6
Operator splitting methods for pricing American options under stochastic volatility
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…”
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7
Reduced order models for pricing European and American options under stochastic volatility and jump-diffusion models
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…”
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A fast Fourier transform based direct solver for the Helmholtz problem
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…”
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A hybrid discontinuous Galerkin method for computing the ground state solution of Bose–Einstein condensates
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,…”
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A hybrid discontinuous Galerkin method for computing the ground state solution of BoseaEinstein condensates
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,…”
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11
Comparison and survey of finite difference methods for pricing American options under finite activity jump-diffusion models
Published in International journal of computer mathematics (01-06-2012)“…Partial integro-differential formulations are often used for pricing American options under jump-diffusion models. A survey on such formulations and their…”
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ADI schemes for valuing European options under the Bates model
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…”
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Overview of the discontinuous enrichment method, the ultra-weak variational formulation, and the partition of unity method for acoustic scattering in the medium frequency regime and performance comparisons
Published in International journal for numerical methods in engineering (27-01-2012)“…SUMMARY The efficient finite element discretization of the Helmholtz equation becomes challenging in the medium frequency regime because of numerical…”
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14
Efficient numerical methods for pricing American options under stochastic volatility
Published in Numerical methods for partial differential equations (01-01-2008)“…Five numerical methods for pricing American put options under Heston's stochastic volatility model are described and compared. The option prices are obtained…”
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15
A domain decomposition method for discontinuous Galerkin discretizations of Helmholtz problems with plane waves and Lagrange multipliers
Published in International journal for numerical methods in engineering (25-06-2009)“…A nonoverlapping domain decomposition (DD) method is proposed for the iterative solution of systems of equations arising from the discretization of Helmholtz…”
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16
On solving separable block tridiagonal linear systems using a GPU implementation of radix-4 PSCR method
Published in Journal of parallel and distributed computing (01-05-2018)“…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…”
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CHCHD10 mutations and motor neuron disease: the distribution in Finnish patients
Published in Journal of neurology, neurosurgery and psychiatry (01-03-2017)Get full text
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Prospective Ultrasound Screening of Men With Cerebrovascular Disease for Abdominal Aortic Aneurysms
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…”
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A damping preconditioner for time-harmonic wave equations in fluid and elastic material
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…”
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BENCHOP - The BENCHmarking project in option pricing
Published in International journal of computer mathematics (02-12-2015)“…The aim of the BENCHOP project is to provide the finance community with a common suite of benchmark problems for option pricing. We provide a detailed…”
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