Forced symmetry-breaking via boundary conditions
  We study impact of a forced symmetry-breaking in boundary conditions on the bifurcation scenario of a semilinear elliptic partial differential equation. We show that for the square domain the orthogonality of eigenfunctions of the Laplacian may compensate partially the loss of symmetries in the boundary conditions and allows some solution to have more symmetries than the imposed boundary conditions. 
Zhen Mei (Fields Institute), Chih-Wen Shih (National Chiao-Tung   University)