We present a review and some new results on form methods for generating holomorphic semigroups on Hilbert spaces. In particular, we explain how the notion of closability can be avoided. A s examples we include the Stokes operator, the Black–Scholes equation, degenerate differential equations and the Dirichlet-to-Neumann operator.
CITATION STYLE
Arendt, W., & ter Elst, A. F. M. (2012). From forms to semigroups. In Operator Theory: Advances and Applications (Vol. 221, pp. 47–69). Springer International Publishing. https://doi.org/10.1007/978-3-0348-0297-0_4
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