The product of commuting conical projections is a projection
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- by Eduardo H. Zarantonello PDF
- Proc. Amer. Math. Soc. 38 (1973), 591-594 Request permission
Abstract:
The statement in the title is proved for two projections on closed convex cones in Hilbert space.References
- Eduardo H. Zarantonello, Projections on convex sets in Hilbert space and spectral theory. I. Projections on convex sets, Contributions to nonlinear functional analysis (Proc. Sympos., Math. Res. Center, Univ. Wisconsin, Madison, Wis., 1971) Academic Press, New York, 1971, pp. 237–341. MR 0388177
Additional Information
- © Copyright 1973 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 38 (1973), 591-594
- MSC: Primary 46C05
- DOI: https://doi.org/10.1090/S0002-9939-1973-0318847-2
- MathSciNet review: 0318847