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A new quadratic form on hyperkähler manifolds |
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| Authors: | Kwang-Soon Park |
| Institution: | Department of Mathematical Sciences, Seoul National University, Seoul 151-747, Republic of Korea |
| Abstract: | Let (M,g,I,J,K) be a 4n-dimensional compact simple hyperkähler manifold. We construct a new quadratic form gM on H4(M) and study its properties. In particular, we determine completely its signature on H4(M,R) for n=2. |
| Keywords: | 53C26 |
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