Abstract
We calculate intersection forms of all 4-dimensional almost-flat manifolds.
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References
Ch. Bohr, On the signatures of even \(4\)-manifolds, Math. Proc. Cambridge 132 (2002), 453–469.
K. Dekimpe, Almost-Bieberbach Groups: Affine and Polynomial Structures, Lecture Notes in Mathematics, 1639, Springer, Berlin, 1996.
S. Donaldson, An application of gauge theory to four dimensional topology, J. Differential Geom. 18 (1983), 279–315.
S. Donaldson and P. Kronheimer, The Geometry of Four-Manifolds, Oxford University Press, Oxford, 1991.
The GAP Group, GAP – Groups, Algorithms, and Programming, Version 4.4.12, 2008, (http://www.gap-system.org).
A. Ga̧sior, N. Petrosyan, and A. Szczepański, Spin structures on almost-flat manifolds, Algebr. Geom. Topol. 16 (2016), 783–796.
J.-H. Kim, The \(\frac{10}{8}\)-conjecture and equivariant \(e_{C}\)-invariants, Math. Ann. 329 (2004), 31–47.
R. Lutowski, N. Petrosyan, and A. Szczepański, Classification of spin structures on \(4\)-dimensional almost-flat manifold, accepted to Mathematika, arXiv:1701.03920.
J. W. Milnor and J. D. Stasheff, Charactersistic classes, Annals of Mathematics Studies, No. 76, Princeton University Press, Princeton, NJ and University of Tokyo Press, Tokyo, 1974.
B. Putrycz and A. Szczepański, Existence of spin structures on flat manifolds, Adv. Geometry 10 (2010), 323–332
J. Ratcliffe and S. Tschantz, Abelianization of space groups, Acta Crystallogr. 65 (2009), 18–27
A. Scorpan, The wild world of \(4\)-manifolds, American Mathematical Society, Providence, RI, 2005.
A. Szczepański, Geometry of crystallographic groups, In: Algebra and Discrete Mathematics, 4, World Scientific Publishing Co. Pte. Ltd., Hackensack, NJ, 2012.
Acknowledgements
We would like to thank K. Dekimpe, R. Lutowski, M. Mroczkowski and N. Petrosyan for some useful comments.
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Szczepański, A. Intersection forms of almost-flat 4-manifolds. Arch. Math. 110, 455–458 (2018). https://doi.org/10.1007/s00013-017-1148-7
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DOI: https://doi.org/10.1007/s00013-017-1148-7