Local invariants of singular surfaces in an almost complex four-manifold |
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| Authors: | Goo Ishikawa and Toru Ohmoto |
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| Affiliation: | (1) Department of Mathematics, Hokkaido University, 060 Sapporo, Japan;(2) Department of Mathematics, Tokyo Institute of Technology, 152 Ohokayama, Japan;(3) Department of Mathematics, Hokkaido University, 060 Sapporo, Japan |
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| Abstract: | In this paper we define two local invariants, the local self-intersection index and the Maslov index, for singular surfaces in an almost complex four-manifold and prove formulae involving these invariants, which generalize formulae of Lai and Givental.Dedicated to Professor Masahisa Adachi on his 60th birthday. |
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| Keywords: | 58C27 58F05 |
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