訂正日: 2006/08/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) J. P. Serre, Cohomologie modulo 2 des complexes d'Eilenberg-MacLane, Comment. Math. Helv., 27 (1953), pp. 198-282. 2) J. Adem, The iteration of the Steenrod squares in algebraic topology, Proc. Nat. Acad. Sci. U.S.A., 38 (1952), pp. 720-726. 3) J. Adem, The relations on Steenrod powers of cohomology classes, Algebraic Geometry and Topology, Princeton, (1957), pp. 191-238. 4) H. Cartan, Sur l'iteration des opérations de Steenrod, Comment. Math. Helv., 29 (1955), pp. 40-58. 5) T. Yamanoshita, Sûgaku, 8 (1956), pp. 33-37, (in Japanese).
Right : [1] J. P. Serre, Cohomologie modulo 2 des complexes d'Eilenberg-MacLane, Comment. Math. Helv., 27 (1953), pp. 198-282. [2] J. Adem, The iteration of the Steenrod squares in algebraic topology, Proc. Nat. Acad. Sci. U. S. A., 38 (1952), pp. 720-726. [3] J. Adem, The relations on Steenrod powers of cohomology classes, Algebraic Geometry and Topology, Princeton, (1957), pp. 191-238. [4] H. Cartan, Sur l'iteration des opérations de Steenrod, Comment. Math. Helv., 29 (1955), pp. 40-58. [5] T. Yamanoshita, Sûgaku, 8 (1956), pp. 33-37, (in Japanese).
