Search Results for author: Pieter Ghysels

Found 4 papers, 2 papers with code

Physics-Informed Heterogeneous Graph Neural Networks for DC Blocker Placement

1 code implementation16 May 2024 Hongwei Jin, Prasanna Balaprakash, Allen Zou, Pieter Ghysels, Aditi S. Krishnapriyan, Adam Mate, Arthur Barnes, Russell Bent

The threat of geomagnetic disturbances (GMDs) to the reliable operation of the bulk energy system has spurred the development of effective strategies for mitigating their impacts.

Blocking

Deep Learning and Spectral Embedding for Graph Partitioning

no code implementations16 Oct 2021 Alice Gatti, Zhixiong Hu, Tess Smidt, Esmond G. Ng, Pieter Ghysels

The embedding phase is trained first by minimizing a loss function inspired by spectral graph theory.

graph partitioning

Graph Partitioning and Sparse Matrix Ordering using Reinforcement Learning and Graph Neural Networks

1 code implementation8 Apr 2021 Alice Gatti, Zhixiong Hu, Tess Smidt, Esmond G. Ng, Pieter Ghysels

The partitioning quality is compared with partitions obtained using METIS and SCOTCH, and the nested dissection ordering is evaluated in the sparse solver SuperLU.

graph partitioning reinforcement-learning +1

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