CHERNOFF-LIKE COUNTEREXAMPLES RELATED TO UNBOUNDED OPERATORS
- 1 January 2020
- journal article
- research article
- Published by Faculty of Mathematics, Kyushu University in Kyushu Journal of Mathematics
- Vol. 74 (1), 105-108
- https://doi.org/10.2206/kyushujm.74.105
Abstract
In this paper, we give an example of a closed unbounded operator whose square domain and adjoint's square domain are equal and trivial. Then, we come up with an essentially self-adjoint whose square has a trivial domain.Keywords
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