1. A Sard theorem for the distance function

   • Jin-ichi Itoh
   • Minoru Tanaka

   Original articles Pages: 1 - 10

2. $L^p$ estimates for the linear wave equation and global existence for semilinear wave equations in exterior domains

   • Mitsuhiro Nakao

   Original articles Pages: 11 - 31

3. Twelve points on the projective line, branched covers, and rational elliptic fibrations

   • Ravi Vakil

   Original articles Pages: 33 - 54

4. Discontinuous groups in positive characteristic and automorphisms of Mumford curves

   • Gunther Cornelissen
   • Fumiharu Kato
   • Aristides Kontogeorgis

   Original articles Pages: 55 - 85

5. Linear and nonlinear heat equations in $L^q_\delta$ spaces and universal bounds for global solutions

   • Marek Fila
   • Philippe Souplet
   • Fred B. Weissler

   Original articles Pages: 87 - 113

6. On Whitney's extension theorem for spaces of ultradifferentiable functions

   • A.V. Abanin

   Original articles Pages: 115 - 126

7. p-adic measures and square roots of special values of triple product L-functions

   • Michael Harris
   • Jacques Tilouine

   Original articles Pages: 127 - 147

8. Detection of essential surfaces in 3-manifolds with $SL_2$-trees

   • S. Schanuel
   • X. Zhang

   Original articles Pages: 149 - 165

9. Topological obstructions to nonnegative curvature

   • Igor Belegradek
   • Vitali Kapovitch

   Original articles Pages: 167 - 190

10. Existence and infinite multiplicity for an inhomogeneous semilinear elliptic equation on ${\bf R}^n$

    • Soohyun Bae
    • Wei-Ming Ni

    Original articles Pages: 191 - 210