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researcher

G. Ramirez-Hidalgo

14 papers hereh-index 438 citations20 works total

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

author position
  • sole author1
  • first author1
  • middle author7
  • last author5

Across the 14 of 14 papers where every author was matched, so the position is known.

fields
  • math.NA6
  • hep-lat5
  • cs.DC2
  • physics.comp-ph1

identity via Semantic Scholar / OpenAlex

activity
20212026
most citedA Multilevel Approach to Variance Reduction in the Stochastic Estimation of the Trace of a Matrix

1 citations · 2 across the 14 of their papers we have counts for

collaborators
Showing 2021Show all

1 paper · 1 filter

math.NA2021★ 1 cited

A Multilevel Approach to Variance Reduction in the Stochastic Estimation of the Trace of a Matrix

Andreas Frommer, Mostafa Nasr Khalil, Gustavo Ramirez-Hidalgo

The trace of a matrix function f(A), most notably of the matrix inverse, can be estimated stochastically using samples< x,f(A)x> if the components of the random vectors x obey an a…

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