Immagini inverse dei gruppi di omotopia

Joseph Weier1
1Fribourg Brisg.

Tóm tắt

Từ khóa


Tài liệu tham khảo

Eilenberg S., Steenrod, N.—Foundations of algebraic topology Princeton Mathem. Series 15 (1952).

Hurewicz, W.—Beiträge, zur Topologie der Deformationen. Proc. Akad. Wetensch. Amsterdam 38, 112–119 und 521–528 (1935); 39, 117–126 und 215–224 (1936).

Whitehead, J. H. C.—Combinatorial homotopy. Bull. Amer. Mathem. Soc. 55, 213–245 (1949).