B.-Y. Chen, T. Ochiai, and M. S. Tanaka, To the memory of Professor Tadashi Nagano
N. D. Brubaker, Bifurcations of minimnal surfaces via index theory
B.-Y. Chen, The $(M_+,M_)$-method on compact symmetric spaces and its applications
D. Fetcu and C. Oniciuc, Biharmonic and biconservative hypersurfaces in space forms
Y. Fu, D. Yang, and X. Zhan, Recent progress of biharmonic hypersurfaces in space forms
A. Kubo, M. Nagashiki, T. Okuda, and H. Tamaru, A commutativity condition for subsets in quandles-A generalization of antipodal subsets
H. Leal and L. Lu, Spectral gaps of the Laplacian on differential forms
J. W. Lee, C. W. Lee, B. Sahin, and G.-E. Vilcu, Chen-Ricci inequalities for Riemannian maps and their applications
M. Moruz, J. Van der Veken, L. Vrancken, and A. Wijffels, Totally geodesic surfaces in the complex quadric
Y. Ohnita, Parallel Kahler submanifolds and $R$-spaces
P. Quast and T. Sakai, A survey on natural $\Gamma$-symmetric structures on $R$-spaces
S. Seto, On the first eigenvalue of the $p$-Laplacian on Riemannian manifolds
M. S. Tanaka and H. Tasaki, Polars of disconnected compact Lie groups