most citedThe ideal of relations for the ring of invariants of n points on the line: integrality results

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math.AG2009★ 1 cited

The ideal of relations for the ring of invariants of n points on the line: integrality results

Ben Howard, John Millson, Andrew Snowden +1

Consider the projective coordinate ring of the GIT quotient (P^1)^n//SL(2), with the usual linearization, where n is even. In 1894, Kempe proved that this ring is generated in degr…