1. Preface

   • Alexander Vasil’ev

   OriginalPaper Open access 12 April 2011 Pages: 1 - 2

2. Some properties of reachable sets for control affine systems

   • Marek Grochowski

   OriginalPaper Open access 21 December 2010 Pages: 3 - 13

3. A note on critical points of integrals of soliton equations

   • I. M. Krichever
   • D. V. Zakharov

   OriginalPaper 21 December 2010 Pages: 15 - 35

4. The fiber product of Riemann surfaces: a Kleinian group point of view

   • Rubén A. Hidalgo

   OriginalPaper 03 February 2011 Pages: 37 - 45

5. Recovering singular Sturm-Liouville differential pencils from spectral data

   • Vjacheslav A. Yurko

   OriginalPaper 16 February 2011 Pages: 47 - 67

6. Geometry of spectral pairs

   • Jana Bohnstengel
   • Palle Jorgensen

   OriginalPaper 01 April 2011 Pages: 69 - 99