Issue 67

September 18 - 21, 2011, Centro Residenziale Universitario di Bertinoro

Preface

[B67b] Vladimir Dotsenko

Pattern Avoidance in Labelled Trees (27 pp.)

[B67c] Guo-Niu Han, Zhicong Lin and Jiang Zeng

A Symmetrical q-Eulerian Identity (11 pp.)