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Combinatorial homotopy. I. (English) Zbl 0040.38704


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topology
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[1] J. H. C. Whitehead, Proc. London Math. Soc. vol. 45 (1939) pp. 243-327.
[2] J. H. C. Whitehead, On adding relations to homotopy groups, Ann. of Math. (2) 42 (1941), 409 – 428. · Zbl 0027.26404 · doi:10.2307/1968907
[3] J. H. C. Whitehead, On incidence matrices, nuclei and homotopy types, Ann. of Math. (2) 42 (1941), 1197 – 1239. · Zbl 0063.08227 · doi:10.2307/1970465
[4] J. H. C. Whitehead, On the groups \?\?(\?_{\?,\?}) and sphere-bundles, Proc. London Math. Soc. (2) 48 (1944), 243 – 291. · Zbl 0060.41413 · doi:10.1112/plms/s2-48.1.243
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[10] R. H. Fox, Ann. of Math. vol. 44 (1943) pp. 40-50.
[11] N. E. Steenrod, Products of cocycles and extensions of mappings, Ann. of Math. (2) 48 (1947), 290 – 320. · Zbl 0030.41602 · doi:10.2307/1969172
[12] S. Eilenberg, Fund. Math. vol. 32 (1939) pp. 167-175.
[13] Samuel Eilenberg, Homology of spaces with operators. I, Trans. Amer. Math. Soc. 61 (1947), 378 – 417; errata, 62, 548 (1947). · Zbl 0034.11001
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[15] W. Hurewicz, K. Akademie van Wetenschappen, Amsterdam, Proceedings vol. 38 (1935) pp. 521-528.
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[17] Heinz Hopf, Fundamentalgruppe und zweite Bettische Gruppe, Comment. Math. Helv. 14 (1942), 257 – 309 (German). · Zbl 0027.09503 · doi:10.1007/BF02565622
[18] Heinz Hopf, Nachtrag zu der Arbeit Fundamentalgruppe und zweite Bettische Gruppe, Comment. Math. Helv. 15 (1943), 27 – 32 (German). · Zbl 0027.09504 · doi:10.1007/BF02565629
[19] Heinz Hopf, Beiträge zur Homotopietheorie, Comment. Math. Helv. 17 (1945), 307 – 326 (German). · Zbl 0061.40704 · doi:10.1007/BF02566250
[20] Claude Chevalley, Theory of Lie groups, Princeton, 1946. · Zbl 0063.00842
[21] Charles Ehresmann, Sur les applications continues d’un espace dans un espace fibré ou dans un revêtement, Bull. Soc. Math. France 72 (1944), 27 – 54 (French). · Zbl 0060.41408
[22] W. Hurewicz and N. E. Steenrod, Homotopy relations in fibre spaces, Proc. Nat. Acad. Sci. U. S. A. 27 (1941), 60 – 64. · Zbl 0060.41410
[23] P. Alexandroff and H. Hopf, Topologie, Berlin, 1935; Also Ann Arbor, 1945.
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[25] A. L. Blakers, Ann. of Math. vol. 49 (1948) pp. 428-461.
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