25 November 2022
DESY
Europe/Berlin timezone

Equivariant Point Cloud Generation for Particle Jets

25 Nov 2022, 10:15
10m
Flash Seminar Room (DESY)

Flash Seminar Room

DESY

Short Talk

Speaker

Erik Buhmann (University of Hamburg)

Description

Generative machine learning models allow fast event generation, yet are so far primarily constrained to fixed data and detector geometries.
We introduce a Deep Sets-based permutation equivariant generative adversarial network (GAN) for generating point clouds with variable cardinality - a flexible data structure optimal for collider events such as jets. The generator utilizes an interpretable global latent vector and does not rely on pairwise information sharing between particles, leading to a significant speed-up over graph-based approaches

Primary authors

Erik Buhmann (University of Hamburg) Gregor Kasieczka (UNI/EXP (Uni Hamburg, Institut fur Experimentalphysik))

Presentation materials