0

Let $A$ be a primitive matrix (a square nonnegative matrix some power of which is positive). Is $AA^T$ necessarily primitive?

Ben
  • 138
  • 1
  • 7
  • This was asked previously but unanswered: https://math.stackexchange.com/questions/2757515/product-of-a-primitive-matrix-and-its-transpose

    Another related answered question: https://math.stackexchange.com/questions/2846195/if-a-is-irreducible-is-aa-irreducible

     – Ben Jul 10 '18 at 16:34
  • That question is now answered. – user1551 Jul 10 '18 at 16:53
  • Thanks. It is very helpful. – Ben Jul 10 '18 at 19:12

0 Answers0