2 http://hdl.handle.net/10338.dmlcz/150391 2 Isolated subgroups of finite abelian groups http://hdl.handle.net/10338.dmlcz/150420 Isolated subgroups of finite abelian groups A convex treatment of numerical radius inequalities http://hdl.handle.net/10338.dmlcz/150419 A convex treatment of numerical radius inequalities Regularity and intersections of bracket powers http://hdl.handle.net/10338.dmlcz/150418 Regularity and intersections of bracket powers Quasi-trace functions on Lie algebras and their applications to 3-Lie algebras http://hdl.handle.net/10338.dmlcz/150417 Quasi-trace functions on Lie algebras and their applications to 3-Lie algebras