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Strong law of large numbers for generalized operator means II
Abstract
In this paper we continue the investigation of generalizations of the strong law of large numbers to operator means which has been initiated in the earlier paper "Strong law of large numbers for generalized operator means", Adv. Math. 457 (2024), 109933 of the authors. In particular, we clarify an inaccuracy in the statement and proof of the strong law for means associated with uniformly exponentially contracting flows in Thompson metric spaces. We then significantly improve the variant of this strong law given in the mentioned paper for operator means by relaxing the restrictive required moment condition to Llog+(L) by proving almost sure convergence of implicit stochastic approximations for monotone operators under this condition.
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BibTeX
@misc{leka2026strong,
title = {{Strong law of large numbers for generalized operator means II}},
author = {Zoltán Léka and Miklós Pálfia},
howpublished = {arXiv},
year = {2026},
month = aug,
doi = {10.48550/arxiv.2608.30554},
eprint = {2608.30554},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2608.30554},
}
RIS
TY - UNPB
TI - Strong law of large numbers for generalized operator means II
AU - Zoltán Léka
AU - Miklós Pálfia
PY - 2026
DA - 2026/08/31
PB - arXiv
DO - 10.48550/arxiv.2608.30554
UR - https://arxiv.org/abs/2608.30554
AB - In this paper we continue the investigation of generalizations of the strong law of large numbers to operator means which has been initiated in the earlier paper "Strong law of large numbers for generalized operator means", Adv. Math. 457 (2024), 109933 of the authors. In particular, we clarify an inaccuracy in the statement and proof of the strong law for means associated with uniformly exponentially contracting flows in Thompson metric spaces. We then significantly improve the variant of this strong law given in the mentioned paper for operator means by relaxing the restrictive required moment condition to Llog^+(L) by proving almost sure convergence of implicit stochastic approximations for monotone operators under this condition.
ER -