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P. Ghysels

10 papers hereh-index 171.2k citations52 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author8
  • last author1

Across the 10 of 10 papers where every author was matched, so the position is known.

fields
  • cs.LG2
  • cs.MS2
  • math.NA2
  • physics.flu-dyn2
  • cs.DC1
  • eess.SY1

identity via Semantic Scholar / OpenAlex

activity
20152024
most citedButterfly factorization via randomized matrix-vector multiplications

9 citations · 25 across the 4 of their papers we have counts for

collaborators
Showing cs.LGShow all

2 papers · 1 filter

cs.LG2021

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

Alice Gatti, Zhixiong Hu, Tess Smidt +2

We present a novel method for graph partitioning, based on reinforcement learning and graph convolutional neural networks. Our approach is to recursively partition coarser represen…

cs.LG2018

A Study of Clustering Techniques and Hierarchical Matrix Formats for Kernel Ridge Regression

Elizaveta Rebrova, Gustavo Chavez, Yang Liu +2

We present memory-efficient and scalable algorithms for kernel methods used in machine learning. Using hierarchical matrix approximations for the kernel matrix the memory requireme…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.