On the Poincare polynomials for Landau-Ginzburg Orbifolds
Hitoshi Sato
Abstract
We construct the Poincare polynomials for Landau-Ginzburg orbifolds with projection operators.Using them we show that special types of dualities including Poincare duality are realized under certain conditions. When Calabi-Yau interpretation exists, two simple formulae for Hodge numbers h2,1 and h1,1 are obtained.
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