1. An Exceptional Split Geometry

   • A.W.M. Dress
   • K.T. Huber
   • V. Moulton

   Pages: 1 - 11

2. On Polynomials of Spanning Trees

   • F. Chung
   • C. Yang

   Pages: 13 - 25

3. The Number of Ramified Coverings of the Sphere by the Torus and Surfaces of Higher Genera

   • I.P. Goulden
   • D.M. Jackson
   • A. Vainshtein

   Pages: 27 - 46

4. Non-Commutative Ribbons and Quasi-Differential Operators

   • D. Krob
   • R. Mantaci

   Pages: 47 - 66

5. Combinatorial Aspects of the K-Theory of Grassmannians

   • C. Lenart

   Pages: 67 - 82

6. Four Questions on Birkhoff Polytope

   • I. Pak

   Pages: 83 - 90

7. Factorization Properties of the q-Specialization of Schubert Polynomials

   • V. Prosper

   Pages: 91 - 107

8. Enumeration of Chains in Semi-Primary Lattices

   • F. Regonati
   • S.D. Sarti

   Pages: 109 - 124