1. Introduction to the contents of issue 50:1

   • Axel Ruhe

   Editorial 23 February 2010 Pages: 1 - 2

2. On high order symmetric and symplectic trigonometrically fitted Runge-Kutta methods with an even number of stages

   • M. Calvo
   • J. M. Franco
   • L. Rández

   OriginalPaper 28 January 2010 Pages: 3 - 21

3. A regular fast multipole method for geometric numerical integrations of Hamiltonian systems

   • P. Chartier
   • E. Darrigrand
   • E. Faou

   OriginalPaper 28 January 2010 Pages: 23 - 40

4. Perturbation bounds for the periodic Schur decomposition

   • Xiao Shan Chen

   OriginalPaper 16 December 2009 Pages: 41 - 58

5. Imaging of periodic dielectrics

   • Armin Lechleiter

   OriginalPaper 11 February 2010 Pages: 59 - 83

6. On stability of numerical schemes via frozen coefficients and the magnetic induction equations

   • Siddhartha Mishra
   • Magnus Svärd

   OriginalPaper 05 February 2010 Pages: 85 - 108

7. Perturbation behavior of a multiple eigenvalue in generalized Hermitian eigenvalue problems

   • Yuji Nakatsukasa

   OriginalPaper Open access 29 January 2010 Pages: 109 - 121

8. The error norm of Gauss-Radau quadrature formulae for Chebyshev weight functions

   • Sotirios E. Notaris

   OriginalPaper 09 February 2010 Pages: 123 - 147

9. Fast, numerically stable computation of oscillatory integrals with stationary points

   • Sheehan Olver

   OriginalPaper 05 February 2010 Pages: 149 - 171

10. Grassmann algorithms for low rank approximation of matrices with missing values

    • Lennart Simonsson
    • Lars Eldén

    OriginalPaper 03 February 2010 Pages: 173 - 191

11. An efficient calculation of the Clausen functions Cl _n (θ)(n≥2)

    • Jiming Wu
    • Xiaoping Zhang
    • Dongjie Liu

    OriginalPaper 16 December 2009 Pages: 193 - 206

12. A note on preconditioned GMRES for solving singular linear systems

    • Naimin Zhang

    OriginalPaper 18 December 2009 Pages: 207 - 220