1. The polytope of win vectors

   • J. E. Bartels
   • J. Mount
   • D. J. A. Welsh

   OriginalPaper Pages: 1 - 15

2. The lattice of flats and its underlying flag matroid polytope

   • Alexandre V. Borovik
   • Israel M. Gelfand
   • Neil White

   OriginalPaper Pages: 17 - 26

3. Enumeration of three-dimensional convex polygons

   • Mireille Bousquet-Mélou
   • Anthony J. Guttmann

   OriginalPaper Pages: 27 - 53

4. Enumeration of k-poles

   • Zhicheng Gao
   • Mizan Rahman

   OriginalPaper Pages: 55 - 66

5. General lexicographic shellability and orbit arrangements

   • Dmitry N. Kozlov

   OriginalPaper Pages: 67 - 90

6. Young's natural idempotents as polynomials

   • Alain Lascoux

   OriginalPaper Pages: 91 - 98

7. Problems in combinatorics on words originating from discrete dynamical systems

   • James D. Louck

   OriginalPaper Pages: 99 - 104

8. Combinatorics and Nonparametric mathematics

   • Joseph P. S. Kung

   BriefCommunication Pages: 105 - 106

9. Holey self-orthogonal Latin squares with symmetric orthogonal mates

   • F. E. Bennett
   • H. Zhang
   • L. Zhu

   OriginalPaper Pages: 107 - 118

10. A combinatorial proof of a result of hetyei and reiner on Foata-Strehl-type permutation trees

    • Miklós Bóna

    OriginalPaper Pages: 119 - 122

11. Coxeter matroid polytopes

    • Alexandre V. Borovik
    • Israel M. Gelfand
    • Neil White

    OriginalPaper Pages: 123 - 134

12. Arrangements and cohomology

    • Michael Falk

    OriginalPaper Pages: 135 - 157

13. Pfaffian structures and critical problems in finite symplectic spaces

    • Joseph P. S. Kung

    OriginalPaper Pages: 159 - 172

14. A geometric characterization of Coxeter matroids

    • V. V. Serganova
    • A. Vince
    • A. Zelevinsky

    OriginalPaper Pages: 173 - 181

15. Coordinatizing R-trees in terms of universal c-trees

    • Werner F. Terhalle

    OriginalPaper Pages: 183 - 196

16. Borel sets and sectional matrices

    • A. M. Bigatti
    • L. Robbiano

    OriginalPaper Pages: 197 - 213

17. Weakly union-free twofold triple systems

    • Yeow Meng Chee
    • Charles J. Colbourn
    • Alan C. H. Ling

    OriginalPaper Pages: 215 - 225

18. On the maximum number of fixed points in automorphisms of prime order of 2-(v,k,1) designs

    • D. L. Kreher
    • D. R. Stinson
    • L. Zhu

    OriginalPaper Pages: 227 - 243

19. On a problem of Erdős and Rado

    • Jean A. Larson
    • William J. Mitchell

    OriginalPaper Pages: 245 - 252

20. Chip firing and the tutte polynomial

    • Criel Merino López

    OriginalPaper Pages: 253 - 259

21. Flat regular polytopes

    • Peter McMullen
    • Egon Schulte

    OriginalPaper Pages: 261 - 278

22. Studies on the squaring construction

    • Kristian Wahlgren
    • Zhe-Xian Wan

    OriginalPaper Pages: 279 - 295

23. Classification of disordered tilings

    • Ludwig Balke

    OriginalPaper Pages: 297 - 311

24. A combinatorial interpretation of the Seidel generation ofq-derangement numbers

    • Robert J. Clarke
    • Guo-Niu Han
    • Jiang Zeng

    OriginalPaper Pages: 313 - 327

25. On the number of vertices and edges of the Buneman graph

    • A. Dress
    • M. Hendy
    • V. Moulton

    OriginalPaper Pages: 329 - 337

26. Some variations on a theme by Buneman

    • A. Dress
    • K. Huber
    • V. Moulton

    OriginalPaper Pages: 339 - 352

27. Kinematic formulas for finite lattices

    • Daniel A. Klain

    OriginalPaper Pages: 353 - 366

28. Multiplication of a Schubert polynomial by a Schur polynomial

    • Axel Kohnert

    OriginalPaper Pages: 367 - 375

29. Properties of complete sets of mutually equiorthogonal frequency hypercubes

    • Ilene H. Morgan

    OriginalPaper Pages: 377 - 389

30. Proof of a conjecture on multisets of hook numbers

    • Amitai Regev
    • Doron Zeilberger

    OriginalPaper Pages: 391 - 394