Abstract
We answer here in the negative the question of whether nowhere vanishing tangent vector fields on the Grassmann manifolds can be distinguished by their ranks as defined in [2].
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References
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Koschorke U., Korbaš J.,The rank of vector fields on Grassmannian manifolds, Rend. Circ. Mat. Palermo (II)36, Suppl. 16 (1987), 113–117.
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Korbaš, J. The rank of vector fields on real Grassmann manifolds. Rend. Circ. Mat. Palermo 41, 29–30 (1992). https://doi.org/10.1007/BF02844460
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DOI: https://doi.org/10.1007/BF02844460