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The cohomology algebra of certain free loop spaces

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Yamaguchi T., Kuribayashi K.

Fundamenta Mathematicae

1997

tom 154

nr 1

57-73

Let X be a simply connected space and LX the space of free loops on X. We determine the mod p cohomology algebra of LX when the mod p cohomology of X is generated by one element or is an exterior algebra on two generators. We also provide lower bounds on the dimensions of the Hodge decomposition factors of the rational cohomology of LX when the rational cohomology of X is a graded complete intersection algebra. The key to both of these results is the identification of an important subalgebra of the Hochschild homology of a graded complete intersection algebra over a field.

Ograniczanie wyników

1 Fundamenta Mathematicae

1 Kuribayashi K.

1 Yamaguchi T.

1 1997

Wyniki wyszukiwania

The cohomology algebra of certain free loop spaces