1. Professor Ivo Babuška is eighty

   • Karel Segeth

   OriginalPaper Pages: 89 - 92

2. A comparison of solvers for linear complementarity problems arising from large-scale masonry structures

   • Mark Ainsworth
   • L. Angela Mihai

   OriginalPaper Pages: 93 - 128

3. What is the smallest possible constant in Céa’s lemma?

   • Wei Chen
   • Michal Křížek

   OriginalPaper Pages: 129 - 144

4. Sparse finite element methods for operator equations with stochastic data

   • Tobias von Petersdorff
   • Christoph Schwab

   OriginalPaper Pages: 145 - 180

5. Partition of unity method for Helmholtz equation: q-convergence for plane-wave and wave-band local bases

   • Theofanis Strouboulis
   • Realino Hidajat

   OriginalPaper Pages: 181 - 204