Glasnik Matematicki, Vol. 35, No.1 (2000), 111-136.
EVOLUTION EQUATIONS AS OPERATOR EQUATIONS IN
LATTICES OF HILBERT SPACES
Technische Universitat Dresden, FR Mathematik, Institut fur
Analysis, D-01062 Dresden, Germany
Abstract. Evolution equations are considered as operator
equations involving a sum of the time-derivative operator
regarded as a normal operator in a suitable Hilbert space setting and
another fairly arbitrary spatial operator A acting in a
Hilbert space H. The initial data are then modeled as
sources located at time 0. A framework to discuss this and more
general types of evolution problems is constructed.
The solution theory relies on a Fouries-Laplace transform
method set in this framework.
1991 Mathematics Subject Classification.
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