Coverings and Betti numbers
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- by Beno Eckmann PDF
- Bull. Amer. Math. Soc. 55 (1949), 95-101
References
- Beno Eckmann, Der Cohomologie-Ring einer beliebigen Gruppe, Comment. Math. Helv. 18 (1946), 232–282 (German). MR 17536, DOI 10.1007/BF02568113
- Beno Eckmann, Harmonische Funktionen und Randwertaufgaben in einem Komplex, Comment. Math. Helv. 17 (1945), 240–255 (German). MR 13318, DOI 10.1007/BF02566245 3. B. L. van der Waerden, Moderne Algebra, vol. 2, Berlin, 1931.
- Guy Hirsch, Sur les groupes d’homologie de certains complexes de recouvrement, Portugal. Math. 4 (1945), 225–237 (French). MR 13310
- Hassler Whitney, On products in a complex, Ann. of Math. (2) 39 (1938), no. 2, 397–432. MR 1503416, DOI 10.2307/1968795
- Tsai-han Kiang, An application of the addition formulas of Mayer-Vietoris, Acad. Sinica Science Record 1 (1945), 275–276. MR 0018417 7. P. Alexandroff and H. Hopf, Topologie, Berlin, 1935.
Additional Information
- Journal: Bull. Amer. Math. Soc. 55 (1949), 95-101
- DOI: https://doi.org/10.1090/S0002-9904-1949-09178-4
- MathSciNet review: 0029168