About
I'm Gijs Bellaard. I was born and raised in Geertruidenberg, a little city in The Netherlands. I'm 27 years old and currently finishing my PhD at the Eindhoven University of Technology under the supervision of Remco Duits in the Geometric Learning and Differential Geometry group of the Centre for Analysis, Scientific Computing and Applications cluster. My interests are simulations, differential geometry, combinatorics, machine learning, and computer graphics.
News
- 2025 June 20: I made a Poisson Image Editing tool.
- 2025 May 17: Entropic Optimal Transport with Data-Driven Metrics on the Roto-Translation Group is published in SSVM2025.
- 2025 May 07: I've added a Miscellaneous section.
- 2025 April 07: Analysis and Computation of Geodesic Distances on Reductive Homogeneous Spaces is on arXiv.
- 2025 April 04: Universal Collection of Euclidean Invariants between Pairs of Position-Orientations is on arXiv.
- 2025 April 04: Roto-Translation Invariant Metrics on Position-Orientation Space is on arXiv.
- 2025 April 02: Optimal Transport on the Lie Group of Roto-translations is published in SIAM-SIMMS.
- 2025 January 30: PDE-CNNs: Axiomatic Derivations and Applications is published in JMIV.
- 2024 December 16: I made a toy flow matching model.
- 2024 August 12: I made a plot visualizing the mass and diameter of various objects, together with a line indicating Schwarzschild diameter.
- 2024 May 22: I made a shader visualizing Lorentz transformations.
- 2024 January 09: I made a shader that simulates a 2D Kuramoto model.
- 2023 September 31: As an instructor, I've made my own notes for Remco Duits' Master Course in Typst.
- 2023 October 17: The site now has a dark theme!
- 2023 October 14: I made a B-Spline visualization.
- 2023 August 30: I gave a presentation about Neurogeometry and PDE-Based Neural Networks at GSI2023.
- 2023 August 26: I made an animation of Schwarzschild geodesics.
- 2023 August 05: Functional Properties of PDE-G-CNNs is published in GSI2023.
- 2023 June 30: I made a Kerr-Newman Metric Black Hole simulation.
- 2023 June 12: I made the Spherical Lens app a lot more interactive.
- 2023 May 12: Geometric Adaptations of PDE-G-CNNs is published in SSVM2023.
- 2023 May 03: I've upgraded the look of my site.
- 2023 April 16: Analysis of (sub-)Riemannian PDE-G-CNNs is published in JMIV.