Matti Lassas

Full Professor, University of Helsinki

Joined

September 2020

Names

Matti Lassas (Preferred)

Emails

****@helsinki.fi (Confirmed)

Personal Links

Career & Education History

Full Professor

University of Helsinki (helsinki.fi)

2009 – Present

Advisors, Relations & Conflicts

PhD Advisor

Erkki Somersalo

1992 – Present

Expertise

Neural networks

2018 – Present

Imaging

1996 – Present

Publications

Flowers: A Warp Drive for Neural PDE Solvers
Till Muser, Alexandra Spitzer, Matti Lassas, Maarten V. de Hoop, Ivan Dokmanić
- International Conference on Machine Learning
- Readers: Everyone
Transformers through the lens of support-preserving maps between measures
Takashi Furuya, Maarten V. de Hoop, Matti Lassas
- Submitted to ICLR 2026
- Readers: Everyone
An Unconditional Representation of the Conditional Score in Infinite Dimensional Linear Inverse Problems
Fabian Schneider, Duc-Lam Duong, Matti Lassas, Maarten V. de Hoop, Tapio Helin
- Accepted by TMLR
- Readers: Everyone
Semialgebraic Neural Networks: From roots to representations
S David Mis, Matti Lassas, Maarten V. de Hoop
- ICLR 2025 Poster
- Readers: Everyone
Can neural operators always be continuously discretized?
Takashi Furuya, Michael Anthony Puthawala, Matti Lassas, Maarten V. de Hoop
- NeurIPS 2024 poster
- Readers: Everyone
Globally injective and bijective neural operators
Takashi Furuya, Michael Anthony Puthawala, Matti Lassas, Maarten V. de Hoop
- NeurIPS 2023 poster
- Readers: Everyone
Deep Invertible Approximation of Topologically Rich Maps between Manifolds
Michael Anthony Puthawala, Matti Lassas, Ivan Dokmanić, Pekka Pankka, Maarten V. de Hoop
- 22 Sept 2022 (modified: 13 Feb 2023)
- ICLR 2023 Conference Withdrawn Submission
- Readers: Everyone
Universal Joint Approximation of Manifolds and Densities by Simple Injective Flows
Michael Anthony Puthawala, Matti Lassas, Ivan Dokmanić, Maarten V. de Hoop
- Published: 28 Jan 2022, Last Modified: 13 Feb 2023
- ICLR 2022 Submitted
- Readers: Everyone
Learning the optimal Tikhonov regularizer for inverse problems
Giovanni S Alberti, Ernesto De Vito, Matti Lassas, Luca Ratti, Matteo Santacesaria
- Published: 09 Nov 2021, Last Modified: 26 May 2025
- NeurIPS 2021 Poster
- Readers: Everyone
Globally Injective ReLU networks
Michael Puthawala, Konik Kothari, Matti Lassas, Ivan Dokmanić, Maarten V. de Hoop
- 28 Sept 2020 (modified: 05 May 2023)
- ICLR 2021 Conference Blind Submission
- Readers: Everyone

Co-Authors