The author thanks
who helped in compiling the Errata for Elements of Operator Theory.
Torrey Adams
Patricia T. Bandeira
Renato A. A. da Costa
Moacyr V. Dutra
Jorge S. Garcia
Jessica Q. Kubrusly
Nhan Levan
Jose Luis C. Lyra Jr.
Adrian H. Pizzinga
Regina Posternak
Andre L. Pulcherio
James M. Snyder
Guilherme P. Temporao
Fernando Torres-Torija
Augusto C. Gadelha Vieira
Joao Zanni