Bahma Yousefi

LIE DERIVATIONS AND HYER-ULAM STABILITY

Let A be a Lie Banach algebra For each elements a; b and c; d in A2 := A A, by definitions … A2 can be c…

HYPERCYCLICITY OF LEFT MULTIPLICATION OPERATORS ONHILBERT-SCHMIDT OPERATORS

We prove that the Hypercyclicity Criterion for any operator T on a Hilbert space is equivalent to thehyp…