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Some ergodic theorems

Published online by Cambridge University Press:  14 November 2011

Nelson Dunford
Affiliation:
Sarasota, Florida 33577, U.S.A.

Synopsis

A general ergodic theorem is proved for semi-group operators on B-space X. In particular X may be a Lebesgue space Lp(S, Σ, μ) where (S, Σ, μ) is a positive measure space.

The discussion is based on the theory of semi-groups as developed by Hille [6] and results in the theory of product measures [3]. The reader need only be familiar with the basic concepts of these theories, as all pertinent results used in this note are proved as they are needed.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1980

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References

1Banach, S.. Sur la convergence presque partout des fonctionelles linéaires. Bull. Sci. Math. 50 (1926), 3643.Google Scholar
2Bohnenblust, H. F. and Sobczyk, A.. Extensions of functionals on complex linear spaces. Bull. Amer. Math. Soc. 44 (1938), 9193.Google Scholar
3Dunford, N. and Schwartz, J. T.. Linear Operators, General Theory (New York: Interscience, 1958).Google Scholar
4Dunford, N. and Miller, D. S.. On the ergodic theorem. Trans. Amer. Math. Soc. 60 (1946), 538549.Google Scholar
5Hahn, H.. Über lineare Gleichungssysteme in linearen Räumen. J. Reine Angew. Math. 157 (1927), 214229.Google Scholar
6Hille, E.. Functional analysis and semi-groups. A.M.S. Colloq. Publ. 31 (Providence, R.I.: Amer. Math. Soc, 1948).Google Scholar
7Moore, E. H.. General Analysis, pts I, II. Mem. Amer. Phil. Soc. 1 (1935/1939).Google Scholar
8Riesz, F.. Stetigkeitsbegriff und abstrakte Mengenlehre. Atti IV Congr. Int. Mat. Bologna 2 (1908), 1824.Google Scholar