Communications in Analysis and Geometry

Non-combability of Hilbert modular groups

The spectrum of an asymptotically hyperbolic Einstein manifold

On the multiplicity of the second eigenvalue of Laplacian in $R^2$

On singularities of the heat flow for harmonic maps from surfaces into spheres

The topology of hypersurfaces moving by mean curvature

On compactness of isospectral conformal metrics of 4-sphere