2 papers
math.PR2026
A note on outlier eigenvectors for sparse non-Hermitian perturbations
Miltiadis Galanis, Michail Louvaris
We consider a sparse i.i.d.\ non-Hermitian random matrix model (with sparsity parameter ) and a deterministic finite-rank perturbation . Assuming biorthogonality fo…
math.ST2025
Bootstrapping not under the null?
Alexis Derumigny, Miltiadis Galanis, Wieger Schipper +1
We propose a bootstrap testing framework for a general class of hypothesis tests, which allows resampling under the null hypothesis as well as other forms of bootstrapping. We iden…