Felix Dangel

Postdoc, Vector Institute, Toronto

2 papers at NeurIPS 2025

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Poster Session 4

1 paper

Thursday, December 4, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

Improving Energy Natural Gradient Descent through Woodbury, Momentum, and Randomization

#2209 · Andres Guzman-Cordero, Felix Dangel, Gil Goldshlager, Marius Zeinhofer

We introduce Woodbury's matrix identity, momentum-like SPRING and randomization to make energy natural gradient descent 75 times faster for PINNs.

Poster Session 6

1 paper

Friday, December 5, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

Collapsing Taylor Mode Automatic Differentiation

#3401 · Felix Dangel, Tim Siebert, Marius Zeinhofer, Andrea Walther

We accelerate Taylor mode for practically relevant differential operators by collapsing Taylor coefficients; this can be done automatically with compute graph simplifications