Almost sure convergence theorems in von Neumann algebras
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Abstract
The subadditive sequences of operators which belong to a von Neumann algebra with a faithful normal state and a given positive linear kernel are considered. We prove the almost sure convergence in Egorov’s sense for such sequences.
Keywords
Conditional Expectation Operator Algebra Ergodic Theorem Selfadjoint Operator Strong Limit Theorem
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References
- 1.W. Arveson,Analyticity in operator algebras, Am. J. Math.89 (1967), 578–642.MATHCrossRefMathSciNetGoogle Scholar
- 2.C. Barnett,Supermartingales on semifinite von Neumann algebras, J. London Math. Soc.24 (1981), 175–181.MATHCrossRefMathSciNetGoogle Scholar
- 3.J. P. Conze and N. Dang-Ngoc,Ergodic theorems for non-commutative dynamical systems, Invent. Math.46 (1978), 1–15.MATHCrossRefMathSciNetGoogle Scholar
- 4.I. Cuculescu,Supermartingales on W*-algebras, Rev. Roumaine Math. Pures Appl.14 (1969), 759–773.MATHMathSciNetGoogle Scholar
- 5.I. Cuculescu,Martingales on von Neumann algebras, J. Multivar. Anal.1 (1971), 17–27.CrossRefMathSciNetMATHGoogle Scholar
- 6.N. Danford and J.T. Schwartz,Linear Operators, Vol. I, Interscience, New York, 1958.Google Scholar
- 7.N. Dang-Ngoc,Pointwise convergence of martingales in von Neumann algebras, Israel J. Math.34 (1979), 273–280.MATHCrossRefMathSciNetGoogle Scholar
- 8.J. Dixmier,Les algébres d’opérateurs dans l’espace hilbertien (algebres de von Neumann), Gauthier-Villars, Paris, 1969.MATHGoogle Scholar
- 9.M. S. Goldstein,Theorems of convergence almost everywhere in von Neumann algebras, J. Operator Theory6 (1981), 233–311.MathSciNetGoogle Scholar
- 10.G. Y. Grabarnik,Convergence of superadditive sequences and supermartingales on von Neumann algebras, DAN USSR11 (1985), 6–8.MathSciNetGoogle Scholar
- 11.G. Y. Grabarnik, in press.Google Scholar
- 12.R. Jajte,Strong limit theorem in non-commutative probability, Lecture Notes in Math.1110, Springer-Verlag, Berlin, 1985, p. 162.Google Scholar
- 13.R. V. Kadison,A generalized Schwarz inequality and algebraic invariants for operator algebras, Ann. Math.56 (1952), 494–503.CrossRefMathSciNetGoogle Scholar
- 14.J. F. C. Kingmann,Subadditive ergodic theory, Ann. Prob.1 (1973), 883–909.Google Scholar
- 15.I. Kovacs and J. Szücs,Ergodic type theorems in von Neumann algebras, Acta Sci. Math. (Szeged)27 (1966), 233–246.MATHMathSciNetGoogle Scholar
- 16.U. Krengel,Ergodic Theorems, de Greuter, Berlin, 1985, p. 357.MATHGoogle Scholar
- 17.E. C. Lance,Ergodic theorems for convex sets and operator algebras, Invent. Math.37 (1976), 201–214.MATHCrossRefMathSciNetGoogle Scholar
- 18.D. Petz,Ergodic theorems in von Neumann algebras, Acta Sci. Math. (Szeged)46 (1983), 329–343.MATHMathSciNetGoogle Scholar
- 19.I. E. Segal,A non-commutative extension of abstract integration, Ann. Math.57 (1953), 401–457.CrossRefGoogle Scholar
- 20.Y. G. Sinai and V. V. Anshelevich,Some problems of non-commutative ergodic theory, Usp. Mat. Nauk32 (1976), 157–174.Google Scholar
- 21.S. Strabila,Modular Theory in Operator Algebras, Editura Academiei, Bucuresti, 1981, p. 492.Google Scholar
- 22.M. Takesaki,Theory of Operator Algebras, Springer-Verlag, Berlin, 1949, p. 415.Google Scholar
- 23.M. Umegaki,Conditional expectation in an operator algebra III, Kodai Math. Jem. Rep.11 (1959), 51–74.MATHCrossRefMathSciNetGoogle Scholar
- 24.F. J. Yeadon,Ergodic theorems for semifinite von Neumann algebras, I, J. London Math. Soc.16 (1977), 326–332.MATHCrossRefMathSciNetGoogle Scholar
- 25.F. J. Yeadon,Ergodic theorems for semifinite von Neumann algebras II, Math. Proc. Cambridge Philos. Soc.88 (1980), 135–147.MATHMathSciNetCrossRefGoogle Scholar
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