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researcher

O. Ghattas

53 papers hereh-index 6212.6k citations247 works total

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

author position
  • middle author10
  • last author43

Across the 53 of 53 papers where every author was matched, so the position is known.

fields
  • math.NA23
  • math.OC14
  • physics.comp-ph3
  • cs.DC2
  • cs.LG2
  • physics.geo-ph2
same name
  • O. Ghattas — 1 paper, h 3

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20132023
most citedScalable and efficient algorithms for the propagation of uncertainty from data through inference to prediction for large-scale problems, with application to flow of the Antarctic ice sheet

171 citations · 898 across the 46 of their papers we have counts for

collaborators
Showing cs.DCShow all

2 papers · 1 filter

cs.DC2014★ 76 cited

Recursive Algorithms for Distributed Forests of Octrees

Tobin Isaac, Carsten Burstedde, Lucas C. Wilcox +1

The forest-of-octrees approach to parallel adaptive mesh refinement and coarsening (AMR) has recently been demonstrated in the context of a number of large-scale PDE-based applicat…

cs.DC2013

A Nested Partitioning Scheme for Parallel Heterogeneous Clusters

Jesse Kelly, Omar Ghattas, Hari Sundar

Modern supercomputers are increasingly requiring the presence of accelerators and co-processors. However, it has not been easy to achieve good performance on such heterogeneous clu…

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