3 papers
math.ST2026
Power and Limits of Subset Selection in Statistical Estimation
Dina Barak-Pelleg, Daniel Berend
We study the power and limitations of subset selection in statistical estimation through the framework of \emph{super-teaching}, where a teacher selects a subset of i.i.d. data to…
math.CO2026
Fano Geometry and Slow Coupon Collecting
Dina Barak-Pelleg, Daniel Berend
We study the coupon collector's problem in a generalized setting where each draw reveals a fixed number of coupons and the sampling mechanism is required to be \emph{fair}, meaning…
math.PR2025
On Conjectures concerning the Labeled Coupon Collector Problem
Dina Barak-Pelleg, Daniel Berend
We study a labeled variant of the classical Coupon Collector Problem (CCP), recently introduced by Tan et al., where coupons arrive in groups and only the set of labels is revealed…