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arxiv: 0906.0796 · v1 · submitted 2009-06-04 · 🧮 math.AG · hep-th· math-ph· math.MP

FJRW rings and Landau-Ginzburg Mirror Symmetry

classification 🧮 math.AG hep-thmath-phmath.MP
keywords mirrorsymmetrydualstrangea-modelalgebraarnolarticle
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In this article, we study the Berglund--H\"ubsch transpose construction W^T for invertible quasihomogeneous potential W. We introduce the dual group G^T and establish the state space isomorphism between the Fan-Jarvis-Ruan-Witten A-model of W/G and the orbifold Milnor ring B-model of W^T/G^T. Furthermore, we prove a mirror symmetry theorem at the level of Frobenius algebra structure for G^max. Then, we interpret Arnol'd strange duality of exceptional singularities W as mirror symmetry between W/J and its strange dual W^SD.

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