Changes

Changes from Mercurial (hg https://foss.heptapod.net/isa-afp/afp-devel/ default)

Changeset 11757:49921165cef0 by rene thiemann _rene.thiemann@uibk.ac.at_: lemma poly_asymp_equiv + simplified existing proof based on this lemma
The file was modified	`thys/Perron_Frobenius/Spectral_Radius_Largest_Jordan_Block.thy`