訂正日: 2006/09/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Wrong : 1) H. P. Allen and M. E. Sweedler, A theory of linear descent based upon Hopf algebraic techniques, J. Algebra, 12 (1969), 242-294. 2) N. Bourbaki, Algèbre, Chap. VIII, Herman, Paris, 1958. 3) M. E. Sweedler, Structure of inseparable extensions, Ann. of Math., 87 (1968), 401-410. 4) M. E. Sweedler, The Hopf algebra of an algebra applied to field theory, J. Algebra, 8 (1968), 262-275. 5) M. E. Sweedler, Hopf algebsras, Benjamin, New York, 1969.
Right : [1] H. P. Allen and M. E. Sweedler, A theory of linear descent based upon Hopf algebraic techniques, J. Algebra, 12 (1969), 242-294. [2] N. Bourbaki, Algèbre, Chap. VIII, Herman, Paris, 1958. [3] M. E. Sweedler, Structure of inseparable extensions, Ann. of Math., 87 (1968), 401-410. [4] M. E. Sweedler, The Hopf algebra of an algebra applied to field theory, J. Algebra, 8 (1968), 262-275. [5] M. E. Sweedler, Hopf algebsras, Benjamin, New York, 1969.
