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researcher

W. Hachem

55 papers hereh-index 323.4k citations138 works total

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

author position
  • sole author2
  • first author17
  • middle author19
  • last author17

Across the 55 of 55 papers where every author was matched, so the position is known.

fields
  • math.PR25
  • cs.IT13
  • math.OC9
  • cs.DC3
  • q-bio.PE2
  • math.NA1

identity via Semantic Scholar / OpenAlex

activity
20042026
most citedDeterministic equivalents for certain functionals of large random matrices

201 citations · 621 across the 50 of their papers we have counts for

collaborators
Showing 2014 · cs.ITShow all

1 paper · 2 filters

cs.IT2014★ 26 cited

Estimation of Toeplitz Covariance Matrices in Large Dimensional Regime with Application to Source Detection

Julia Vinogradova, Romain Couillet, Walid Hachem

In this article, we derive concentration inequalities for the spectral norm of two classical sample estimators of large dimensional Toeplitz covariance matrices, demonstrating in p…

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