215 citations · 807 across the 39 of their papers we have counts for
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math.RA2004★ 8 cited
Graded cofinite rings of differential operators
Friedrich Knop
We classify subalgebras of a ring of differential operators which are big in the sense that the extension of associated graded rings is finite. We show that these subalgebras corre…
math.QA2004★ 1 cited
Composition Kostka functions
Friedrich Knop
Macdonald defined two-parameter Kostka functions K_{λμ}(q,t) where λ, μare partitions. The main purpose of this paper is to extend his definition to include all compositions as ind…
math.RT2004★ 14 cited
On the Kazhdan-Lusztig basis of a spherical Hecke algebra
Friedrich Knop
Lusztig proved that the Kazhdan-Lusztig basis of a spherical Hecke algebra can be essentially identified with the Weyl characters of the Langlands dual group. We generalize this re…