A semigroup analogue of Foguel’s counterexample
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- by Edward W. Packel
- Proc. Amer. Math. Soc. 21 (1969), 240-244
- DOI: https://doi.org/10.1090/S0002-9939-1969-0238124-7
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References
- S. R. Foguel, A counterexample to a problem of Sz.-Nagy, Proc. Amer. Math. Soc. 15 (1964), 788–790. MR 165362, DOI 10.1090/S0002-9939-1964-0165362-X
- P. R. Halmos, On Foguel’s answer to Nagy’s question, Proc. Amer. Math. Soc. 15 (1964), 791–793. MR 165363, DOI 10.1090/S0002-9939-1964-0165363-1
- R. S. Phillips, Dissipative operators and hyperbolic systems of partial differential equations, Trans. Amer. Math. Soc. 90 (1959), 193–254. MR 104919, DOI 10.1090/S0002-9947-1959-0104919-1 F. Riesz and B. Sz.-Nagy, On extensions of linear transformations on a Hilbert space which extend beyond that space, Appendix to Functional Analysis, Ungar, New York, 1960.
Bibliographic Information
- © Copyright 1969 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 21 (1969), 240-244
- MSC: Primary 47.50
- DOI: https://doi.org/10.1090/S0002-9939-1969-0238124-7
- MathSciNet review: 0238124