Abstract
If φ is a nonsingular linear operator on n × n symmetric matrices over a formally real field, n ⩾ 3, and if φ preserves commutativity, then φ( A) = cU -1 AU + f(A)I, where U tU and c are scalar and ƒ is a linear functional. This is an extension of a result of Chan and Lim.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
