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 Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(e) ISSN 0002-9939(p)

     

On Gromov's scalar curvature conjecture

Author(s): Dmitry Bolotov; Alexander Dranishnikov
Journal: Proc. Amer. Math. Soc. 138 (2010), 1517-1524.
MSC (2010): Primary 55M30; Secondary 53C23, 57N65, 55N15
Posted: December 8, 2009
MathSciNet review: 2578547
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Abstract | References | Similar articles | Additional information

Abstract: We prove the Gromov conjecture on the macroscopic dimension of the universal covering of a closed spin manifold with a positive scalar curvature under the following assumptions on the fundamental group.

$ 0.1$. Theorem.

Suppose that a discrete group $ \pi$ has the following properties:

$ 1$. The Strong Novikov Conjecture holds for $ \pi$.

$ 2$. The natural map $ per:ko_n(B\pi)\to KO_n(B\pi)$ is injective. Then the Gromov Macroscopic Dimension Conjecture holds true for spin $ n$-manifolds $ M$ with the fundamental groups $ \pi_1(M)$ that contain $ \pi$ as a finite index subgroup.

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Additional Information:

Dmitry Bolotov
Affiliation: Verkin Institute of Low Temperature Physics, Lenina Avenue, 47, Kharkov, 631103, Ukraine
Email: bolotov@univer.kharkov.ua

Alexander Dranishnikov
Affiliation: Department of Mathematics, 358 Little Hall, University of Florida, Gainesville, Florida 32611-8105
Email: dranish@math.ufl.edu

DOI: 10.1090/S0002-9939-09-10199-5
PII: S 0002-9939(09)10199-5
Keywords: Positive scalar curvature, macroscopic dimension, connective $K$-theory, Strong Novikov Conjecture
Received by editor(s): January 28, 2009,
Received by editor(s) in revised form: September 11, 2009
Posted: December 8, 2009
Additional Notes: This work was supported by NSF grant DMS-0604494
Communicated by: Brooke Shipley
Copyright of article: Copyright 2009, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.




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