User profiles for A. Tveito
Aslak TveitoProfessor, Simula Research Laboratory Verified email at simula.no Cited by 4792 |
[BOOK][B] Computing the electrical activity in the heart
The heart is a fantastic machine; during a normal lifetime it beats about 2.5 billion times and
pumps 200.000 tons of blood through an enormous system of vessels extending 160.000 …
pumps 200.000 tons of blood through an enormous system of vessels extending 160.000 …
[PDF][PDF] Penalty and front-fixing methods for the numerical solution of American option problems
BF Nielsen, O Skavhaug, A Tveito - Journal of Computational …, 2002 - researchgate.net
Article 4 Page 1 In this paper we introduce two methods for the efficient and accurate numerical
solution of Black–Scholes models of American options: a penalty method and a front-…
solution of Black–Scholes models of American options: a penalty method and a front-…
Metabolically driven maturation of human-induced-pluripotent-stem-cell-derived cardiac microtissues on microfluidic chips
The immature physiology of cardiomyocytes derived from human induced pluripotent stem
cells (hiPSCs) limits their utility for drug screening and disease modelling. Here we show that …
cells (hiPSCs) limits their utility for drug screening and disease modelling. Here we show that …
[BOOK][B] Introduction to partial differential equations: a computational approach
A Tveito, R Winther - 2004 - books.google.com
Mathematics is playing an ever more important role in the physical and biological sciences,
provoking a blurring of boundaries between scientific disciplines and a resurgence of …
provoking a blurring of boundaries between scientific disciplines and a resurgence of …
On the computational complexity of the bidomain and the monodomain models of electrophysiology
The bidomain model, coupled with accurate models of cell membrane kinetics, is generally
believed to provide a reasonable basis for numerical simulations of cardiac electrophysiology…
believed to provide a reasonable basis for numerical simulations of cardiac electrophysiology…
Mathematical models and numerical methods for the forward problem in cardiac electrophysiology
The purpose of this article is to give an overview of the forward problem of cardiac
electrophysiology. The relevant models are derived and the mathematical problem formulated. …
electrophysiology. The relevant models are derived and the mathematical problem formulated. …
Numerical solution of the bidomain equations
Knowledge of cardiac electrophysiology is efficiently formulated in terms of mathematical
models. However, most of these models are very complex and thus defeat direct mathematical …
models. However, most of these models are very complex and thus defeat direct mathematical …
An operator splitting method for solving the bidomain equations coupled to a volume conductor model for the torso
In this paper we present a numerical method for the bidomain model, which describes the
electrical activity in the heart. The model consists of two partial differential equations (PDEs), …
electrical activity in the heart. The model consists of two partial differential equations (PDEs), …
[HTML][HTML] An evaluation of the accuracy of classical models for computing the membrane potential and extracellular potential for neurons
Two mathematical models are part of the foundation of Computational neurophysiology; (a)
the Cable equation is used to compute the membrane potential of neurons, and, (b) volume-…
the Cable equation is used to compute the membrane potential of neurons, and, (b) volume-…
[HTML][HTML] Penalty methods for the numerical solution of American multi-asset option problems
BF Nielsen, O Skavhaug, A Tveito - Journal of Computational and Applied …, 2008 - Elsevier
We derive and analyze a penalty method for solving American multi-asset option problems.
A small, non-linear penalty term is added to the Black–Scholes equation. This approach …
A small, non-linear penalty term is added to the Black–Scholes equation. This approach …