All Questions
1 question
7
votes
1
answer
436
views
When is a 0-1 matrix a one-intersection incidence matrix?
The following problem is what motivated my previous MO question.
It is easily seen that for any given 0-1 matrix $M$, one can always find
a set $\mathcal P$ of points, and a set $\mathcal C$ of simple ...
CommunityBot
- 1