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A Weak Law of Large Numbers for Dependent Random Variables 相关随机变量的一个弱大数定律
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991593
I. Karatzas, W. Schachermayer
{"title":"A Weak Law of Large Numbers for Dependent Random Variables","authors":"I. Karatzas, W. Schachermayer","doi":"10.1137/s0040585x97t991593","DOIUrl":"https://doi.org/10.1137/s0040585x97t991593","url":null,"abstract":"","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135510179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the Asymptotic Approach to the Change-Point Problem and Exponential Convergence Rate in the Ergodic Theorem for Markov Chains 马尔可夫链遍历定理中变点问题的渐近逼近及其指数收敛率
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991519
A. A. Borovkov
{"title":"On the Asymptotic Approach to the Change-Point Problem and Exponential Convergence Rate in the Ergodic Theorem for Markov Chains","authors":"A. A. Borovkov","doi":"10.1137/s0040585x97t991519","DOIUrl":"https://doi.org/10.1137/s0040585x97t991519","url":null,"abstract":"Under the assumption that the change-point time is large, a Poisson approximation for the distribution of the number of false alarms is obtained. We also find upper bounds for the probability of a ``false alarm” on a given time interval. An asymptotic expansion for the mean delay time of the alarm signal relative to the change-point time is obtained. To get this result, we establish the exponential convergence rate in the ergodic theorem for Markov chains with a positive atom; chains of this kind describe the monitoring of control systems. A game-theoretic approach is employed to obtain asymptotically optimal solutions of the change-point problem.","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"73 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135515944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Relevant Features Selection Based on Information Theory 基于信息论的相关特征选择
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991520
A. V. Bulinski
{"title":"On Relevant Features Selection Based on Information Theory","authors":"A. V. Bulinski","doi":"10.1137/s0040585x97t991520","DOIUrl":"https://doi.org/10.1137/s0040585x97t991520","url":null,"abstract":"It is shown that widely used suboptimal algorithms of feature selection based on information theory concepts do not necessarily identify a collection of features (relevant in a sense) affecting the studied random response. This can be considered as a reflection of the epistasis phenomenon known in genetics, when individual features have little effect on increased risk of complex disease, whereas certain combinations of features have significant impact on risk. It is demonstrated that a similar effect is also manifested in inferences employing statistical estimates of mutual information.","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135515946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Population Size of a Critical Branching Process Evolving in an Unfavorable Environment 不利环境下关键分支过程进化的种群大小
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991532
V. A. Vatutin, E. E. Dyakonova
{"title":"Population Size of a Critical Branching Process Evolving in an Unfavorable Environment","authors":"V. A. Vatutin, E. E. Dyakonova","doi":"10.1137/s0040585x97t991532","DOIUrl":"https://doi.org/10.1137/s0040585x97t991532","url":null,"abstract":"","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"37 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135510181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On mm-Entropy of a Banach Space with Gaussian Measure 具有高斯测度的Banach空间的mm-熵
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991544
A. M. Vershik, M. A. Lifshits
{"title":"On mm-Entropy of a Banach Space with Gaussian Measure","authors":"A. M. Vershik, M. A. Lifshits","doi":"10.1137/s0040585x97t991544","DOIUrl":"https://doi.org/10.1137/s0040585x97t991544","url":null,"abstract":"","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"73 11","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135515943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
On Nondegenerate Itô Processes with Moderated Drift 关于漂移有调节的非退化Itô过程
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t99160x
N. V. Krylov
{"title":"On Nondegenerate Itô Processes with Moderated Drift","authors":"N. V. Krylov","doi":"10.1137/s0040585x97t99160x","DOIUrl":"https://doi.org/10.1137/s0040585x97t99160x","url":null,"abstract":"","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"35 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135510185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the 120th Birthday of Andrei Nikolaevich Kolmogorov 在安德烈·尼古拉耶维奇·科尔莫戈罗夫诞辰120周年之际
4区 数学
Theory of Probability and its Applications Pub Date : 2023-11-01 DOI: 10.1137/s0040585x97t991490
A. N. Shiryaev
{"title":"On the 120th Birthday of Andrei Nikolaevich Kolmogorov","authors":"A. N. Shiryaev","doi":"10.1137/s0040585x97t991490","DOIUrl":"https://doi.org/10.1137/s0040585x97t991490","url":null,"abstract":"","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"73 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135515945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential role of a novel endoscopic retrieval bag for large colorectal resected specimen: a proof-of-concept study. 一种新型内镜下大结肠切除标本回收袋的潜在作用:一项概念验证研究。
IF 2.6 4区 数学
Theory of Probability and its Applications Pub Date : 2023-08-01 DOI: 10.1055/a-2098-2664
Yasuhiro Tani, Yoji Takeuchi, Yuya Asada, Yuki Okubo, Yushi Kawakami, Satoki Shichijo, Takashi Kanesaka, Koji Higashino, Noriya Uedo, Tomoki Michida, Ryu Ishihara, Kiyokazu Nakajima
{"title":"Potential role of a novel endoscopic retrieval bag for large colorectal resected specimen: a proof-of-concept study.","authors":"Yasuhiro Tani, Yoji Takeuchi, Yuya Asada, Yuki Okubo, Yushi Kawakami, Satoki Shichijo, Takashi Kanesaka, Koji Higashino, Noriya Uedo, Tomoki Michida, Ryu Ishihara, Kiyokazu Nakajima","doi":"10.1055/a-2098-2664","DOIUrl":"10.1055/a-2098-2664","url":null,"abstract":"<p><p>Endoscopic submucosal dissection enables en bloc resection of large superficial colorectal neoplasms. However, it is sometimes challenging to retrieve a large resected specimen via the anus without sample fragmentation. A novel \"bag-type\" retrieval device has been developed to accomplish complete isolation and non-destructive delivery of oversized specimens. This single-center retrospective study was performed to demonstrate the efficacy of this device for large colorectal resected specimens. Among 17 patients, we identified 18 superficial colorectal lesions for which the use of a novel retrieval device (Endo Carry Large Type) was indicated at specimen delivery at a referral cancer institute from March 2021 to July 2022. The median (interquartile range) tumor size was 62.5 (52.0-79.5) mm. Retrieval of 17 (94%) of 18 resected specimens was performed using the Endo Carry Large Type, and 16 (89%) were successfully retrieved without sample fragmentation. The median (interquartile range) retrieval time was 4 (4-8) minutes, and no apparent adverse events were observed. The novel Endo Carry Large Type device can accomplish colorectal specimen retrieval safely and quickly without specimen damage and therefore may contribute to accurate pathological diagnosis.</p>","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"16 1","pages":"E714-E718"},"PeriodicalIF":2.6,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10683754/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86264930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Sub-Gaussian Concentration of Missing Mass 关于缺失质量的亚高斯浓度
4区 数学
Theory of Probability and its Applications Pub Date : 2023-08-01 DOI: 10.1137/s0040585x97t991453
M. Skorski
{"title":"On Sub-Gaussian Concentration of Missing Mass","authors":"M. Skorski","doi":"10.1137/s0040585x97t991453","DOIUrl":"https://doi.org/10.1137/s0040585x97t991453","url":null,"abstract":"The statistical inference on missing mass aims to estimate the weight of elements not observed during sampling. Since the pioneer work of Good and Turing, the problem has been studied in many areas, including statistical linguistics, ecology, and machine learning. Proving the sub-Gaussian behavior of the missing mass has been notoriously hard, and a number of complicated arguments have been proposed: logarithmic Sobolev inequalities, thermodynamic approaches, and information-theoretic transportation methods. Prior works have argued that the difficulty is inherent, and classical tools are inadequate. We show that this common belief is false, and all that we need to establish the sub-Gaussian concentration is the classical inequality of Bernstein. The strong educational value of our work is in its demonstration of this inequality in its full generality, an aspect not well recognized by researchers.","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136021783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Student Workshops Organized by the Vega Institute 关于维加学院组织的学生研讨会
4区 数学
Theory of Probability and its Applications Pub Date : 2023-08-01 DOI: 10.1137/s0040585x97t991489
K. Yu. Klimov, M. N. Tsareva
{"title":"On Student Workshops Organized by the Vega Institute","authors":"K. Yu. Klimov, M. N. Tsareva","doi":"10.1137/s0040585x97t991489","DOIUrl":"https://doi.org/10.1137/s0040585x97t991489","url":null,"abstract":"This note presents information about three workshops on financial and actuarial mathematics held in 2022 by The Vega Institute Science Promotion Foundation. The goal of the Foundation is to support and develop projects for training highly qualified personnel in the field of financial and actuarial mathematics in parallel with its economic and numerical components.","PeriodicalId":51193,"journal":{"name":"Theory of Probability and its Applications","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136021780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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