On amenable transformation semigroups I
Kôkichi Sakai · Kyoto journal of mathematics · 1976
Communicated by Prof. i'o sh iz a w a , Dec. 8, 1975) C (Ix )=the algebra o f a ll constant functions o n X , C(Z)= t h e com m utative C*-algebra o f all bounded com plex valued continuous functions o n a topological space Z, Co(K )= the convex hull o f any subset K o f a linear space,