Dacorogna, BernardTanteri, Chiara2008-11-252008-11-252008-11-25199810.1017/S0308210500027311https://infoscience.epfl.ch/handle/20.500.14299/31696WOS:000078031900007real matricessingular valuesconvex hullpolyconvex hullrank one convex hullOn the different convex hulls of sets involving singular valuestext::journal::journal article::research article