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20082026
most citedDescribing West-3-stack-sortable permutations with permutation patterns

30 citations · 80 across the 23 of their papers we have counts for

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math.AG2011★ 8 cited

Which Schubert varieties are local complete intersections?

Henning Úlfarsson, Alexander Woo

We characterize by pattern avoidance the Schubert varieties for GL_n which are local complete intersections (lci). For those Schubert varieties which are local complete intersectio…

math.AG2008

Very Twisted Stable Maps

Qile Chen, Steffen Marcus, Henning Úlfarsson

Let X be a smooth projective Deligne-Mumford stack over an algebraically closed field k of characteristic 0. In this paper we construct the moduli stack of very twisted stable maps…