On the relation of closed forms and Trotter ’ s product formula

  title={On the relation of closed forms and Trotter ’ s product formula},
  author={M{\'a}t{\'e} Matolcsi},
The aim of this paper is to give a characterization in Hilbert spaces of the generators of C0-semigroups associated with closed, sectorial forms in terms of the convergence of a generalized Trotter’s product formula. In the course of the proof of the main result we also present a similarity result which can be of independent interest: for any unbounded generator A of a C0-semigroup e tA it is possible to introduce an equivalent scalar product on the space, such that e becomes non-quasi… CONTINUE READING

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