Moduli spaces of unstable curves and sheaves via non-reductive geometric invariant theory
<p>Many moduli problems in algebraic geometry can be posed using Geometric Invariant Theory (GIT). However, as with all such tools, if we are to have any hope of obtaining a well-behaved moduli space, certain objects, which are in whatever sense degenerate, must be ruled ‘unstable’ and left ou...
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2018
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