Geodesic
Ergodic theorems and perturbations of contraction semigroups
Marta Tyran-Kamińska1
1 Institute of Mathematics University of Silesia Bankowa 14 40-007 Katowice, Poland
Studia Mathematica, Tome 195 (2009) no. 2, pp. 147-155

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

We provide sufficient conditions for sums of two unbounded operators on a Banach space to be (pre-)generators of contraction semigroups. Necessary conditions and applications to positive emigroups on Banach lattices are also presented.
DOI : 10.4064/sm195-2-4
Keywords: provide sufficient conditions sums unbounded operators banach space pre generators contraction semigroups necessary conditions applications positive emigroups banach lattices presented

Marta Tyran-Kamińska 1

1 Institute of Mathematics University of Silesia Bankowa 14 40-007 Katowice, Poland 
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Marta Tyran-Kamińska. Ergodic theorems and perturbations of
 contraction semigroups. Studia Mathematica, Tome 195 (2009) no. 2, pp. 147-155. doi: 10.4064/sm195-2-4

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