Mathematical Inequalities & Applications · Volume 5, Issue 3 Exponential stability and unstability of semigroups of linear operators in Banach spaces 05-55 Pages 557-567 DOI 10.7153/mia-05-55 Downloads Short PDF Full PDF PNG Authors M. Megan Adina Luminiţa Sasu B. Sasu A. Pogan Keywords semigroup uniform exponential stability uniform exponential unstability Banach function spaces Banach sequence spaces Subject classes 34D05 34D20 47D06