1. Editorial statement

   • John J. Benedetto

   EditorialNotes Pages: v - vi

2. Generalized dirac operators on nonsmooth manifolds and Maxwell's equations

   • Marius Mitrea

   OriginalPaper Pages: 207 - 256

3. Nonlinear approximation theory on compact groups

   • K. -L. Kueh
   • T. Olson
   • K. -S. Tan

   OriginalPaper Pages: 257 - 281

4. Approximation inL ₂ Sobolev spaces on the 2-sphere by quasi-interpolation

   • S. M. Gomes
   • A. K. Kushpel
   • J. Levesley

   OriginalPaper Pages: 283 - 295

5. Riesz bases of solutions of Sturm-Liouville equations

   • Xionghui He
   • Hans Volkmer

   OriginalPaper Pages: 297 - 307

6. Nevanlinna theory, diophantine approximation, and numerical analysis

   • Charles F. Osgood

   OriginalPaper Pages: 309 - 317

7. Spectrum of signals

   • Vu Kim Tuan

   OriginalPaper Pages: 319 - 323