2 http://hdl.handle.net/10338.dmlcz/147688 2 Contents of Previous Volumes http://hdl.handle.net/10338.dmlcz/147655 Contents of Previous Volumes New stability results for spheres and Wulff shapes http://hdl.handle.net/10338.dmlcz/147653 New stability results for spheres and Wulff shapes A sequence adapted from the movement of the center of mass of two planets in solar system http://hdl.handle.net/10338.dmlcz/147654 A sequence adapted from the movement of the center of mass of two planets in solar system A new class of almost complex structures on tangent bundle of a Riemannian manifold http://hdl.handle.net/10338.dmlcz/147656 A new class of almost complex structures on tangent bundle of a Riemannian manifold