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Mattie Ji

PhD student, University of Pennsylvania, University of Pennsylvania

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
On topological descriptors for graph products
#3806 · Mattie Ji, Amauri H Souza, Vikas K Garg

We study and give algorithms to compute topological descriptors of color-based filtrations on the Cartesian product of graphs.

Poster Session 6

1 paper
Friday, December 5, 2025 · 4:30 PM → 7:30 PM
Exhibit Hall C,D,E
Graph Persistence goes Spectral
#3805 · Mattie Ji, Amauri H Souza, Vikas K Garg

We incorporate spectral information to the PH-based method RePHINE and analyze its expressivity, stability, and empirical performance.