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Combinatorial homotopy. II. (English) Zbl 0040.38801


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topology
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[1] J. H. C. Whitehead, Combinatorial homotopy. I, Bull. Amer. Math. Soc. 55 (1949), 213 – 245. · Zbl 0040.38704
[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, Proc. London Math. Soc. vol. 45 (1939) pp. 243-327.
[5] 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
[6] J. H. C. Whitehead, On simply connected, 4-dimensional polyhedra, Comment. Math. Helv. 22 (1949), 48 – 92. · Zbl 0036.12704 · doi:10.1007/BF02568048
[7] J. H. C. Whitehead, Annales de la Société Polonaise de Mathematique vol. 21.
[8] A. L. Blakers, Some relations between homology and homotopy groups, Ann. of Math. (2) 49 (1948), 428 – 461. · Zbl 0040.25701 · doi:10.2307/1969290
[9] Samuel Eilenberg and Saunders MacLane, Group extensions and homology, Ann. of Math. (2) 43 (1942), 757 – 831. · Zbl 0061.40602 · doi:10.2307/1968966
[10] Samuel Eilenberg and Saunders MacLane, Cohomology theory in abstract groups. II. Group extensions with a non-Abelian kernel, Ann. of Math. (2) 48 (1947), 326 – 341. · Zbl 0029.34101 · doi:10.2307/1969174
[11] S. Eilenberg and N. E. Steenrod, Foundations of algebraic topology, not yet published. · Zbl 0047.41402
[12] Ralph H. Fox, Homotopy groups and torus homotopy groups, Ann. of Math. (2) 49 (1948), 471 – 510. · Zbl 0038.36602 · doi:10.2307/1969292
[13] K. Reidemeister, Topologie der Polyder, Leipzig, 1938.
[14] H. Seifert und W. Threlfall, Lehrbuch der Topologie, Leipzig, 1934.
[15] Wolfgang Franz, Abbildungsklassen und fixpunktklassen dreidimensionaler Linsenräume, J. Reine Angew. Math. 185 (1943), 65 – 77 (German). · Zbl 0028.09404 · doi:10.1515/crll.1943.185.65
[16] Heinz Hopf, Über die Abbildungen der dreidimensionalen Sphäre auf die Kugelfläche, Math. Ann. 104 (1931), no. 1, 637 – 665 (German). · Zbl 0001.40703 · doi:10.1007/BF01457962
[17] H. Freudenthal, Compositio Math. vol. 5 (1937) pp. 299-314.
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