◍wovepaper
SearchResearchersInstitutions
Sign in
researcher

Omar Ghattas

3 papers here

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

author position
  • last author3

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • cs.DC1
  • math.NA1
  • math.OC1
ORCID 0000-0001-7742-2509
same name
  • Omar Ghattas — 2 papers
  • Omar Ghattas — 1 paper, h 5

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
20232025
most citedEfficient PDE-Constrained optimization under high-dimensional uncertainty using derivative-informed neural operators

9 citations · 10 across the 3 of their papers we have counts for

collaborators

3 papers

cs.DC2025★ 1 cited

Mixed-Precision Performance Portability of FFT-Based GPU-Accelerated Algorithms for Block-Triangular Toeplitz Matrices

Sreeram Venkat, Kasia Swirydowicz, Noah Wolfe +1

The hardware diversity in leadership-class computing facilities, alongside the immense performance boosts from today's GPUs when computing in lower precision, incentivizes scientif…

math.NA2024

LazyDINO: Fast, scalable, and efficiently amortized Bayesian inversion via structure-exploiting and surrogate-driven measure transport

Lianghao Cao, Joshua Chen, Michael Brennan +3

We present LazyDINO, a transport map variational inference method for fast, scalable, and efficiently amortized solutions of high-dimensional nonlinear Bayesian inverse problems wi…

math.OC2023★ 9 cited

Efficient PDE-Constrained optimization under high-dimensional uncertainty using derivative-informed neural operators

Dingcheng Luo, Thomas O'Leary-Roseberry, Peng Chen +1

We propose a novel machine learning framework for solving optimization problems governed by large-scale partial differential equations (PDEs) with high-dimensional random parameter…

◍wovepaper

Papers, researchers and institutions, woven together.

Explore
  • Search
  • Researchers
  • Institutions
Account
  • Library
  • Chat
Data
  • arXiv.org
  • Semantic Scholar
  • OpenAlex
  • Latest RSS
AboutContactPrivacyDevelopersllms.txtopenapi.json
Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.