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On the signature and Euler characteristic of certain four-manifolds

Published online by Cambridge University Press:  24 October 2008

F. E. A. Johnson
Affiliation:
Department of Mathematics, University College London, Gower Street, London WC1E 6BT, United Kingdom
D. Kotschick†
Affiliation:
Mathematisches Institut, Universität Basel, Rheinsprung 21, 4051 Basel, Switzerland

Extract

Let M be a smooth closed connected oriented 4-manifold; we shall say that M satisfies Winkelnkemper's inequality when its signature, σ(M), and Euler characteristic, X(M), are related by

This inequality is trivially true for manifolds M with first Betti number b1(M) ≤ 1.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1993

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References

REFERENCES

[1]Atiyah, M. F.. The signature of fibre bundles. In Collected papers in honour of K. Kodaira (Tokyo University Press, 1969).Google Scholar
[2]Gromov, M.. Volume and bounded cohomology. Publ. Math. IHES 56 (1982), 599.Google Scholar
[3]Hitchin, N. J.. Compact four-dimensional Einstein manifolds. J. Differential Geometry 9 (1974), 435441.CrossRefGoogle Scholar
[4]Kahzdan, D. A.. On the connection between the dual space of a group and the structure of its closed subgroups. Fund. Anal. Appl. (1967), 6365.CrossRefGoogle Scholar
[5]Kodaira, K.. A certain type of irregular algebraic surface. J. Anal. Math. 19 (1967), 207215.CrossRefGoogle Scholar
[6]Kotschick, D.. Remarks on geometric structures on compact complex surfaces. Topology 31 (1992), 317321.CrossRefGoogle Scholar
[7]Raghunathan, M. S.. Discrete subgroups of Lie groups (Springer-Verlag, 1972).CrossRefGoogle Scholar
[8]Wall, C. T. C.. Geometric structures on compact complex surfaces. Topology 25 (1986), 119153.CrossRefGoogle Scholar
[9]Wang, S. P.. The dual space of semisimple Lie groups. American J.Math. 91 (1969), 921937.CrossRefGoogle Scholar
[10]Winkelnkemper, H. E.. Un teorema sobre variedades de dimensión 4. Acta Mexicana Ci. Tecn. 2 (1968), 8889.Google Scholar