Antti Koskela
Antti Koskela
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Ethylene glycol revisited: Molecular dynamics simulations and visualization of the liquid and its hydrogen-bond network
A Kaiser, O Ismailova, A Koskela, SE Huber, M Ritter, B Cosenza, ...
Journal of molecular liquids 189, 20-29, 2014
Exponential Taylor methods: analysis and implementation
A Koskela, A Ostermann
Computers & Mathematics with Applications 65 (3), 487-499, 2013
Splitting methods for time integration of trajectories in combined electric and magnetic fields
C Knapp, A Kendl, A Koskela, A Ostermann
Physical Review E 92 (6), 063310, 2015
Approximating the matrix exponential of an advection-diffusion operator using the incomplete orthogonalization method
A Koskela
Numerical Mathematics and Advanced Applications-ENUMATH 2013, 345-353, 2015
The infinite Arnoldi exponential integrator for linear inhomogeneous ODEs
A Koskela, E Jarlebring
arXiv preprint arXiv:1502.01613, 2015
Analysis of Krylov Subspace Approximation to Large Scale Differential Riccati Equations
A Koskela, H Mena
arXiv preprint arXiv:1705.07507, 2017
A structure preserving Krylov subspace method for large scale differential Riccati equations
A Koskela, H Mena
arXiv preprint arXiv:1705.07507, 2017
Disguised and new quasi-Newton methods for nonlinear eigenvalue problems
E Jarlebring, A Koskela, G Mele
Numerical Algorithms 79 (1), 311-335, 2018
Learning rate adaptation for differentially private stochastic gradient descent
AH Koskela, AJH Honkela
Krylov approximation of linear ODEs with polynomial parameterization
A Koskela, E Jarlebring, ME Hochstenbach
SIAM Journal on Matrix Analysis and Applications 37 (2), 519-538, 2016
A Moment-Matching Arnoldi Iteration for Linear Combinations of Functions
A Koskela, A Ostermann
SIAM Journal on Matrix Analysis and Applications 35 (4), 1344-1363, 2014
Artificial viscosity in comoving curvilinear coordinates: towards a differential geometrically consistent implicit advection scheme
H Höller, A Koskela, E Dorfi, W Benger
Computational Astrophysics and Cosmology 1 (1), 2, 2014
Computing Tight Differential Privacy Guarantees Using FFT
A Koskela, J Jälkö, A Honkela
arXiv preprint arXiv:1906.03049, 2019
Learning Rate Adaptation for Federated and Differentially Private Learning
A Koskela, A Honkela
stat 1050, 31, 2019
Krylov integrators for Hamiltonian systems
T Eirola, A Koskela
BIT Numerical Mathematics 59 (1), 57-76, 2019
Sampling of Stochastic Differential Equations using the Karhunen-Lo\eve Expansion and Matrix Functions
A Koskela, SD Relton
arXiv preprint arXiv:2004.05687, 2020
On a Generalization of Neumann Series of Bessel Functions Using Hessenberg Matrices and Matrix Exponentials
A Koskela, E Jarlebring
European Conference on Numerical Mathematics and Advanced Applications, 205-214, 2019
CASA-Report 16-02 March 2016
A Koskela, E Jarlebring, ME Hochstenbach
Computing Linear Combinations of ϕ Functions
A Koskela, A Ostermann
Householder Symposium XIX June 8-13, Spa Belgium, 123, 2014
Damping optimization in vibrational systems based on amplitude
J Denißen, A Koskela, H Mena, Z Tomljanovic
21st International Symposium on Mathematical Theory of Networks and Systems …, 2014
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