Abstract
For each positive integerk≦∞ we construct a family {M nk } of generators of the unoriented bordims ring. The manifoldsM nk are total spaces of fiber bundles whose base spaces are high-dimensional products of projective spaces\(\mathbb{F}P\left( {2^{r_i } - 1} \right)\) wherer i≦k. The fibers are themselves iterated projective bundles with maximal fiber dimension two. In the special casek=3 we obtain generatorsM n3 which admit approximately 7/8·n pointwise linearly independent vector fields.
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Gschnitzer, O. Generators of the unoriented bordism ring which are fibered over products of projective spacesRP(2r−1). Manuscripta Math 91, 235–245 (1996). https://doi.org/10.1007/BF02567953
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DOI: https://doi.org/10.1007/BF02567953