In this note, we will discuss how to relate an operator ideal on Banach
spaces to the sequential structures it defines. Concrete examples of ideals of
compact, weakly compact, completely continuous, Banach-Saks and weakly
Banach-Saks operators will be demonstrated.Comment: 17 pages, for the Proceedings of International Conference on Algebra
2010, World Scientific. (The International Conference on Algebra in honor of
the 70th birthday of Professor Shum Kar Ping was held by Universitas Gadjah
Mada (UGM)in Yogyakarta, Indonesia on October 7-10, 2010.
