2 papers
cs.DM2026
On the Counting Sequence of Z-convex Polyominoes
Luca Castelli, Paolo Massazza
The degree of convexity of a convex polyomino P is the smallest integer k such that any two cells of P can be joined by a monotone path inside P with at most k changes of direction…
math.ST2026
Estimation of projection operators with Gaussian noise
Luca Castelli
This paper focuses on random projection operators when the subspace of projection is estimated. We derive non-asymptotic upper bounds on the error between the projection onto the e…