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math.ST2026
Möbius-Invariant Goodness-of-Fit Tests for the Spherical Cauchy Model
Diego Bolón, Davy Paindaveine
We introduce a class of goodness-of-fit tests for the spherical Cauchy model on the unit hypersphere. The proposed procedures exploit the invariance of the spherical Cauchy family…
math.PR2026
Stopping on the last success with unknown odds: asymptotic minimax optimality of the plug-in rule
Davy Paindaveine
We study the last-success problem for sequential Bernoulli trials in the homogeneous setting where are i.i.d. but the success probability $…