The cohomology groups of a special Einstein manifold |
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Authors: | Grigorios Tsagas |
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Affiliation: | (1) Thessaloniki, Greece |
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Abstract: | Summary We consider a compact orientable Einstein manifold of even dimension n=2m, which is k-pinched. If k>m(m−1)
2
(2m−1)
2
(2m−1)+3], then there exists no element, different from zero of the H
2
(M,R) such that its exterior m-power belongs to a zero class. This result has some applications to the topological product of
manifold.
Entrata in Redazione il 27 settembre 1977. |
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Keywords: | |
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