The Bruhat Order on the Involutions of the Symmetric Group Federico Incitti OriginalPaper Pages: 243 - 261
A Unified Approach to Combinatorial Formulas for Schubert Polynomials Cristian Lenart OriginalPaper Pages: 263 - 299
A Hopf Operad of Forests of Binary Trees and Related Finite-Dimensional Algebras Frédéric Chapoton OriginalPaper Pages: 311 - 330
Partial Flocks of Non-Singular Quadrics in PG(2r + 1, q) Matthew R. BrownChristine M. O'KeefeCristina Tonesi OriginalPaper Pages: 359 - 370