Embedded Files
Lecture Notes
Lecture Notes
Preprints
Preprints
Training in reverse: How iteration order influences convergence and stability in deep learning, with B. Dherin, A. Karlsson, H. Mazzawi, J. Gonzalvo and M. Munn, 2025, arXiv.
Renormalized stochastic pressure equation with log-correlated Gaussian coefficients, with T. Kuusi, P. Nummi, E. Saksman, J. Tölle, L. Viitasaari, 2024, arXiv.
Weak and Perron Solutions for Stationary Kramers-Fokker-Planck Equations in Bounded Domains, with M. Hou, 2024, arXiv.
1D stochastic pressure equation with log-correlated Gaussian coefficients, with T. Kuusi, P. Nummi, E. Saksman, J. Tölle, L. Viitasaari, 2024, arXiv.
On the Impact of Approximation Errors on Extreme Quantile Estimation with Applications to Functional Data Analysis, with J. Pere, V. Garino, P. Ilmonen, L. Viitasaari, 2024, arXiv.
Concentration inequalities for leave-one-out cross validation, with L. Viitasaari, 2022, arXiv.
Publications
Publications
Exploring Singularities in point clouds with the graph Laplacian: An explicit approach, with M. Andersson, 2025, arXiv, Journal of Computational Mathematics and Data Science.
Approximation of BV functions by neural networks: A regularity theory approach, with V. Julin, 2025, arXiv, Analysis and Applications.
A note on the capacity estimate in metastability for generic configurations, with V.Julin, 2024, arXiv, Manuscripta Mathematica.
A Galerkin type method for kinetic Fokker Planck equations based on Hermite expansions, with M. Hou and K. Nyström, 2023, arXiv. Kinetic and Related Models.
Geometric Characterization of the Eyring-Kramers Formula, with V. Julin and L. Viitasaari, 2022, arXiv. Communications of Mathematical Physics 2023.
Deep limits and cut-off phenomena for neural networks, with A. Karlsson, 2022, Journal of Machine Learning Research. 23(191):1−29, 2022., arXiv.
Uncertainty-aware body composition analysis with deep regression ensembles on UK Biobank MRI.", T. Langner, F. K. Gustafsson, B. Avelin, R. Strand, H. Ahlström, J. Kullberg, Computerized Medical Imaging and Graphics 93 (2021): 101994. arXiv
On existence and uniqueness of the solution for stochastic partial differential equations, with L. Viitasaari, 2021, Theor. Probability and Math. Statist. 104 (2021), 49-60. arXiv
Neural ODEs as the Deep Limit of ResNets with constant weights, with K. Nyström, 2021, arXiv, available online Analysis and Applications doi. Code.
Boundary behavior of solutions to the parabolic p-Laplace equation II, Journal of Functional Analysis, 2020, arXiv.
Boundary behavior of solutions to the parabolic p-Laplace equation, with T. Kuusi and K. Nyström, Anal. PDE 12 (2019), no. 1, 1–42.
Nonlinear Calderón-Zygmund in the limiting case, with T. Kuusi and G. Mingione, Arch Rational Mech Anal (2017).
A comparison principle for the porous medium equation and its consequences, with T. Lukkari, Revista Matemática Iberoamericana 33(2):573-594, 2017
A Carleson type inequality for fully nonlinear elliptic equations with non-Lipschitz drift term, with V. Julin, Journal of Functional Analysis, 2016.
Characterizations of interior polar sets for the degenerate p-parabolic equation, with Saari, O., Journal of Evolution Equations, 2016.
Boundary Estimates for Certain Degenerate and Singular Parabolic Equations, with Gianazza U. and Salsa S., Journal of European Mathematical Society, 18(2):381-426, 2016.
On time dependent domains for the degenerate p-parabolic equation: Carleson estimate and Hölder continuity, Mathematische Annalen, 364(1):667-686, 2016. (Erratum)
Approximation of Plurisubharmonic Functions, with Hed L. and Persson H., Complex Variables and Elliptic Equations, 61(1):23-28, 2016.
A note on the hyperconvexity of pseudoconvex domains beyond Lipschitz regularity, with Hed L. and Persson H., Potential Analysis, 43(3):531-545, 2015.
Variational parabolic capacity, with Kuusi T. and Parviainen M., Discrete and Continuous Dynamical Systems - Series A, 35(12):5665-5688, 2015.
Lower semicontinuity of weak supersolutions to the porous medium equation, with Lukkari T., Proceedings of the American Mathematical Society, 143(8):3475-3486, 2015.
Harnack estimates for degenerate parabolic equations modeled on the subelliptic p-Laplacian, with Capogna L., Citti G., Nyström K., Advances in Mathematics, 257:25-65, 2014.
Estimates for Solutions to Equations of p-Laplace type in Ahlfors regular NTA-domains, with Nyström K., J. Funct. Anal. 266(9):5955-6005, 2014.
Wolff-potential estimates and doubling of subelliptic p-harmonic measures, with Nyström K., Nonlinear Anal. 85:145-159, 2013.
On a one-phase free boundary problem, Ann. Acad. Sci. Fenn. Math. 38(1):181-191, 2013.
Optimal doubling, Reifenberg flatness and operators of p-Laplace type, with Lundström N.L.P. and Nyström K., Nonlinear Anal. 74(17):5943-5955, 2011.
Boundary estimates for solutions to operators of p-Laplace type with lower order terms, with Lundström N.L.P. and Nyström K., J. Differential Equations 250(1):264-291, 2011.
Other
Other
Sequential inductive prediction intervals, 2023, arXiv
Boundary Behavior of p-Laplace Type Equations, Doctoral thesis (2013), Kappa.
Approximation and Bounded Plurisubharmonic Exhaustion Functions Beyond Lipschitz Domains, with Hed L. and Persson H., arXiv, 2012. Never published and split into "A note on the hyperconvexity of pseudoconvex domains beyond Lipschitz regularity" Potential Analysis, 2015; and "Approximation of Plurisubharmonic Functions" Complex Variables and Elliptic Equations, 2015.
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