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Elliptic curves with Mordell-Weil group Z/2Z over Q
3
A K3 over $P^1$ with six singular $A_1$- fibers?
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minimal resolution of singularities
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Why are hypergeometric series important and do they have a geometric or heuristic motivation?
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Algebraic varieties which are topological manifolds
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How do you define the Euler Characteristic of a scheme?
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Is there a common genesis for ADE classifications?
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Exceptional Lie algebras
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Algebraic geometry examples
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What is the Batalin-Vilkovisky formalism, and what are its uses in mathematics?
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Does anyone recognize this surface?
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ADE type Dynkin diagrams