V. I. Arnold, Geometrical methods in the theory of ordinary differential equations, 1988.

E. A. Azoff, On finite rank operators and preannihilators, 14.) [Bl] Blasiak, J. Cohomology of the complex Grassmannian. www-personal.umich.edu, 1986.
DOI : 10.1090/memo/0357

J. Bochi and N. Gourmelon, Transitivity of spaces of matrices

J. Bochnak, M. Coste, and M. Roy, Real algebraic geometry, 1998.
DOI : 10.1007/978-3-662-03718-8

F. Colonius and W. Kliemann, Linear control semigroups acting on projective space, Cited on pages 2 and 44.) [El] Elliott, D.L. Bilinear control systems, pp.495-528, 1993.
DOI : 10.1007/BF01053533

W. Fulton, Young tableaux With applications to representation theory and geometry, Cited on pages 49, 50, and 51.) [Ga, 1997.

F. R. Gantmacher, The theory of matrices, p.12, 1959.

C. G. Gibson, K. Wirthmüller, A. A. Du-plessis, and E. J. Looijenga, Topological stability of smooth mappings, Lecture Notes in Mathematics, vol.552, 1976.
DOI : 10.1007/BFb0095244

. Ha and J. Harris, Algebraic geometry: a first course, pp.29-47, 1992.

M. W. Hirsch and . Topology, Cup product and intersection. Course notes. math.berkeley.edu, Cited on pages 2, 36, and 46, pp.215-2011, 1976.

T. Kato, . La, and S. Lang, Perturbation theory for linear operators. Reprint of the 1980 edition, Algebra. Revised, 1995.

F. W. Levi, Ordered groups, Proc. Indian Acad. Sci, vol.16, pp.256-263, 1942.

. Ma and J. N. Mather, Stratifications and mappings, Dynamical systems (Proc. Sympos, pp.195-232, 1971.

. Mu and D. Mumford, Algebraic geometry. I. Complex projective varieties, 1976.

E. D. Sontag, Universal nonsingular controls, Systems & Control Letters, vol.19, issue.3, pp.221-224, 1992.
DOI : 10.1016/0167-6911(92)90116-A

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.7.8268

E. D. Sontag and . F. Wirth, Remarks on universal nonsingular controls for discrete-time systems, Systems & Control Letters, vol.33, issue.2, pp.81-88, 1998.
DOI : 10.1016/S0167-6911(97)00117-5

D. J. Trotman, Stability of transversality to a stratification implies Whitney (a)-regularity, Inventiones Mathematicae, vol.8, issue.3, pp.273-277, 1978.
DOI : 10.1007/BF01410081

R. Vakil and . Geometric-littlewood-richardson-rule, A geometric Littlewood???Richardson rule, Annals of Mathematics, vol.164, issue.2, pp.371-421, 2006.
DOI : 10.4007/annals.2006.164.371

H. Whitney, Elementary Structure of Real Algebraic Varieties, The Annals of Mathematics, vol.66, issue.3, pp.545-556, 1957.
DOI : 10.2307/1969908

F. Wirth, Dynamics of Time-Varying Discrete-Time Linear Systems: Spectral Theory and the Projected System, SIAM Journal on Control and Optimization, vol.36, issue.2, pp.447-487, 1998.
DOI : 10.1137/S0363012996299600