# A PRODUCT FORMULA OF SEIBERG-WITTEN INVARIANTS

• Cho, Yong-Seung (Department of Mathematical and Institute for Mathematical Sciences, Ewha Women’s University)
• Published : 2003.11.01

#### Abstract

Let X be a 4-manifold obtained by gluing two symplectic 4-manifolds Xi, i = 1, 2, along embedded surfaces. Using the gradient flow of a functional on 3-dimensional Seiberg-Witten theory along the cylindrical end, we study the Seiberg-Witten equations on X and have a product formula of Seiberg-Witten invariants on X from the ones on Xi, i = 1, 2.

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