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arxiv: 1709.05803 · v2 · pith:WWEH3P2Mnew · submitted 2017-09-18 · 🧮 math.AT · math.DG· math.GT

The generalized Kummer construction and the cohomology rings of G₂-manifolds

classification 🧮 math.AT math.DGmath.GT
keywords cohomologyconstructiongeneralizedkummermanifoldscalculateconstructeddemonstrate
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We demonstrate how by using the intersection theory to calculate the cohomology of $G_2$-manifolds constructed by using the generalized Kummer construction. For one example we find the generators of the rational cohomology ring and describe the product structure.

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