Abstract
AbstractIn this paper, we investigate convex semigroups on Banach lattices with order continuous norm, having $$L^p$$
L
p
-spaces in mind as a typical application. We show that the basic results from linear $$C_0$$
C
0
-semigroup theory extend to the convex case. We prove that the generator of a convex $$C_0$$
C
0
-semigroup is closed and uniquely determines the semigroup whenever the domain is dense. Moreover, the domain of the generator is invariant under the semigroup, a result that leads to the well-posedness of the related Cauchy problem. In a last step, we provide conditions for the existence and strong continuity of semigroup envelopes for families of $$C_0$$
C
0
-semigroups. The results are discussed in several examples such as semilinear heat equations and nonlinear integro-differential equations.
Funder
Deutsche Forschungsgemeinschaft
Publisher
Springer Science and Business Media LLC
Subject
Mathematics (miscellaneous)
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