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math.ST2026
Nonstandard likelihood-ratio limits under semidefinite rank constraints
Didier Concordet
We study likelihood-ratio tests for the hypothesis that a positive-semidefinite matrix has rank at most a prescribed value. The null hypothesis is stratified: points of maximal all…
math.ST2005★ 6 cited
On the strong consistency of asymptotic M-estimators
Djalil Chafai, Didier Concordet
The aim of this article is to simplify Pfanzagl's proof of consistency for asymptotic maximum likelihood estimators, and to extend it to more general asymptotic M-estimators. The m…