When Hadamard and usual powers coincide?

2013-12-23
10:00-11:00
FAMNIT-SEMIN
Bojan Kuzma
When Hadamard and usual powers coincide?

We classify real matrices where the standard power coincides with 
the Hadamrad entry-wise. The problem appeared recently in vol 51 of 
IMAGE journal.  Time permitting we will present some further problems 
from this journal.