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
Analysis of Krylov Subspace Approximation to Large Scale Differential Riccati Equations
A Koskela, H Mena
Electronic Transactions on Numerical Analysis 52, 431--454, 2020
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
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
Learning Rate Adaptation for Differentially Private Learning
A Koskela, A Honkela
International Conference on Artificial Intelligence and Statistics, 2465-2475, 2020
Disguised and new quasi-Newton methods for nonlinear eigenvalue problems
E Jarlebring, A Koskela, G Mele
Numerical Algorithms 79 (1), 311-335, 2018
The infinite Arnoldi exponential integrator for linear inhomogeneous ODEs
A Koskela, E Jarlebring
arXiv preprint arXiv:1502.01613, 2015
Computing Tight Differential Privacy Guarantees Using FFT
A Koskela, J Jälkö, A Honkela
International Conference on Artificial Intelligence and Statistics, 2560-2569, 2020
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
Computing low-rank approximations of the Fr\'echet derivative of a matrix function using Krylov subspace methods
P Kandolf, A Koskela, SD Relton, M Schweitzer
arXiv preprint arXiv:2008.12926, 2020
Tight Approximate Differential Privacy for Discrete-Valued Mechanisms Using FFT
A Koskela, J Jälkö, L Prediger, A Honkela
arXiv preprint arXiv:2006.07134, 2020
Krylov integrators for Hamiltonian systems
T Eirola, A Koskela
BIT Numerical Mathematics 59 (1), 57-76, 2019
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), 1-12, 2014
Structure preserving Krylov integrators for Hamiltonian systems
AH Koskela
Differentially private cross-silo federated learning
MA Heikkilä, A Koskela, K Shimizu, S Kaski, A Honkela
arXiv preprint arXiv:2007.05553, 2020
Differentially Private Bayesian Inference for Generalized Linear Models
T Kulkarni, J Jälkö, A Koskela, S Kaski, A Honkela
arXiv preprint arXiv:2011.00467, 2020
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
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