Permutation patterns 20 poster: Block numbers and descents of fully commutative signed permutations

The Worpitzky identity in Coxeter groups of type D

The Worpitzky identity in groups of types B and D

The Hertzsprungs problem

Block numbers, 321-avoidance and Schur-positivity

Block numbers, 321-avoidance and Schur-positivity

Some identities involving second kind Stirling numbers of types B and D

The Hertzsprungs problem

Depth for classical Coxeter groups

Continuity of the major index on involutions

A q, r-analogue for the Stirling numbers of the second kind of Coxeter groups of type B