A Cellular Decomposition of the Manifold of Observable Conditioned Invariant Subspaces Authors: F. Puerta, X. Puerta, I. Zaballa Year: 2002 Publication medium: Linear Algebra and its Applications 351/352 Initial page - Ending page: 601 - 621 More information http://dx.doi.org/10.1016/S0024-3795(01)00559-6