Showing math.COShow all
2 papers · 1 filter
math.CO2007
A closed formula for the number of convex permutominoes
Filippo Disanto, Andrea Frosini, Renzo Pinzani +1
In this paper we determine a closed formula for the number of convex permutominoes of size n. We reach this goal by providing a recursive generation of all convex permutominoes of…
math.CO2002
Discrete Tomography: Reconstruction under periodicity constraints
Alberto Del Lungo, Andrea Frosini, Maurice Nivat +1
This paper studies the problem of reconstructing binary matrices that are only accessible through few evaluations of their discrete X-rays. Such question is prominently motivated b…