1. A Morita equivalence theorem for Hecke algebra ℋq(Dn) when n is even

   • Jun Hu

   Pages: 409 - 430

2. Periodic trajectories in 3-dimensional convex billiards

   • Michael Farber
   • Serge Tabachnikov

   Pages: 431 - 437

3. Extending involutions on Frobenius algebras

   • Pascale Chuard-Koulmann
   • Jorge Morales

   Pages: 439 - 451

4. An approximation theorem for sections of reflexive sheaves

   • Giuseppe Tomassini
   • Viorel Vâjâitu

   Pages: 453 - 460

5. Infinitesimal extensions of ℙ1 and their Hilbert schemes

   • Nikolaos Tziolas

   Pages: 461 - 482

6. Cycles, submanifolds, and structures on normal bundles

   • C. Bohr
   • B. Hanke
   • D. Kotschick

   Pages: 483 - 494

7. Sur un théorème de Mertens

   • Olivier Ramaré

   Pages: 495 - 513

8. Projecting 4-folds from G(1, 5) to G(1, 4)

   • Luca Ugaglia

   Pages: 515 - 527

9. Contact singularities

   • Frédéric Campana
   • Hubert Flenner

   Pages: 529 - 541