0
$\begingroup$

Given a set of sets $\{A_i\}$, $\forall i,j, |A_i|=N, |A_i\cap A_j|\leq M$. What is the smallest possible $\left|\cup_i A_i\right|$?

$\endgroup$
  • $\begingroup$ N. Further N <= M. $\endgroup$ – William Elliot Sep 18 at 5:23

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.