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ON SPIN ALTERNATING GROUP ACTIONS ON SPIN 4-MANIFOLDS
Author(s) -
K. Kiyono,
Ximin Liu
Publication year - 2006
Publication title -
journal of the korean mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 31
eISSN - 2234-3008
pISSN - 0304-9914
DOI - 10.4134/jkms.2006.43.6.1183
Subject(s) - mathematics , spin (aerodynamics) , degeneracy (biology) , manifold (fluid mechanics) , signature (topology) , group (periodic table) , pure mathematics , sigma , action (physics) , group action , combinatorics , mathematical physics , geometry , physics , quantum mechanics , mechanical engineering , bioinformatics , engineering , biology , thermodynamics
Let X be a smooth, closed, connected spin 4-manifold with b1(X) = 0 and signature æ(X). In this paper we use Seiberg- Witten theory to prove that if X admits a spin alternating A4 action, then b+ 2 (X) ‚ jæ(X)j=8 + 3 under some non-degeneracy conditions.

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