Abstract
A closability of operators appearing under some analytic conditions close to conditions of the well-known Chernoff theorem on approximation of one-parametric operator semigroups is proved, existence of a semigroup is not required. An example of a nonclosed operator satisfying these conditions is presented.
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Original Russian Text © A.N. Urinovskii, 2008, published in Vestnik Moskovskogo Universiteta, Matematika. Mekhanika, 2008, Vol. 63, No. 4, pp. 46–48.
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Urinovskii, A.N. Chernoff’s theorem on one-parametric semigroups. Moscow Univ. Math. Bull. 63, 159–161 (2008). https://doi.org/10.3103/S0027132208040062
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DOI: https://doi.org/10.3103/S0027132208040062