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We obtain a representation of an inhomogeneous Levy process in a Lie group or a homogeneous space in terms of a drift, a matrix function and a measure function. Because the stochastic continuity is not assumed, our result generalizes the…

概率论 · 数学 2014-12-30 Ming Liao

Stochastic processes on topological vector spaces over non-Archimedean fields and with transition measures having values in non-Archimedean fields are defined and investigated. For this the non-Archimedean analog of the Kolmogorov theorem…

经典分析与常微分方程 · 数学 2007-05-23 S. Ludkovsky , A. Khrennikov

A beta-negative binomial (BNB) process is proposed, leading to a beta-gamma-Poisson process, which may be viewed as a "multi-scoop" generalization of the beta-Bernoulli process. The BNB process is augmented into a beta-gamma-gamma-Poisson…

机器学习 · 统计学 2012-02-07 Mingyuan Zhou , Lauren Hannah , David Dunson , Lawrence Carin

We develop nested variational inference (NVI), a family of methods that learn proposals for nested importance samplers by minimizing an forward or reverse KL divergence at each level of nesting. NVI is applicable to many commonly-used…

机器学习 · 统计学 2021-06-22 Heiko Zimmermann , Hao Wu , Babak Esmaeili , Jan-Willem van de Meent

A method is introduced for the construction of meshless discretization schemes which preserve Lie symmetries of the differential equations that these schemes approximate. The method exploits the fact that equivariant moving frames provide a…

数学物理 · 物理学 2015-06-11 Alexander Bihlo

This paper presents a short evaluation about the integration of information derived from wavelet non-linear-time-invariant (non-LTI) projection properties using Support Vector Machines (SVM). These properties may give additional information…

信息检索 · 计算机科学 2007-05-23 Jaime Gomez , Ignacio Melgar , Juan Seijas

The study of solving inverse singular value problems for nonnegative matrices has been around for decades. It is clear that an inverse singular problem is trivial if the desirable matrix is not restricted to a certain structure. Provided…

数值分析 · 数学 2013-12-11 Sheng-Jhih Wu , Matthew M. Lin

Characteristic Lie algebras of semi-discrete chains are studied. The attempt to adopt this notion to the classification of Darboux integrable chains has been undertaken.

可精确求解与可积系统 · 物理学 2009-11-11 Ismagil Habibullin , Asli Pekcan

In this paper we present a novel Neural Network algorithm for conducting semi-supervised learning for sequence labeling tasks arranged in a linguistically motivated hierarchy. This relationship is exploited to regularise the representations…

计算与语言 · 计算机科学 2016-12-30 Jonathan Godwin , Pontus Stenetorp , Sebastian Riedel

Integer-valued trawl processes are a class of serially correlated, stationary and infinitely divisible processes that Ole E. Barndorff-Nielsen has been working on in recent years. In this Chapter, we provide the first analysis of likelihood…

统计方法学 · 统计学 2024-06-21 Neil Shephard , Justin J. Yang

This paper addresses the general problem of accurate identification of oil reservoirs. Recent improvements in well or borehole logging technology have resulted in an explosive amount of data available for processing. The traditional methods…

机器学习 · 计算机科学 2018-04-06 Yanan Li , Haixiang Guo , Andrew P Paplinski

Semi-supervised learning has shown promise in allowing NLP models to generalize from small amounts of labeled data. Meanwhile, pretrained transformer models act as black-box correlation engines that are difficult to explain and sometimes…

计算与语言 · 计算机科学 2022-10-17 Reid Pryzant , Ziyi Yang , Yichong Xu , Chenguang Zhu , Michael Zeng

This paper is a survey of our recent work on operator algebras associated to dynamical systems that lead to classification results for the systems in terms of algebraic invariants of the operator algebras.

算子代数 · 数学 2009-04-21 K. R. Davidson , E. G. Katsoulis

In this article, we present semi strongly $E$-preinvexity and semi strongly $E$-invexity. To demonstrate the existence of these functions, certain nontrivial examples have been developed. Several significant relationships and…

最优化与控制 · 数学 2023-01-19 Akhlad Iqbal , Askar Hussain

We show how to underapproximate the procedure summaries of recursive programs over the integers using off-the-shelf analyzers for non-recursive programs. The novelty of our approach is that the non-recursive program we compute may capture…

编程语言 · 计算机科学 2016-10-25 Pierre Ganty , Radu Iosif , Filip Konecny

Fix a positive integer number $r$. A class of $r$-dim Lie conformal superalgebras named $r$-dim $i$-linear Lie conformal superalgebras are studied for $1\leq i \leq r$. We present an equivalent characterization of this class of Lie…

量子代数 · 数学 2014-08-01 Yanyong Hong

We introduce the implicitly constrained least squares (ICLS) classifier, a novel semi-supervised version of the least squares classifier. This classifier minimizes the squared loss on the labeled data among the set of parameters implied by…

机器学习 · 统计学 2017-01-31 Jesse H. Krijthe , Marco Loog

In this work we present a new class of numerical semigroups called GSI-semigroups. We see the relations between them and others families of semigroups and we give explicitly their set of gaps. Moreover, an algorithm to obtain all the…

交换代数 · 数学 2022-07-28 E. R. García Barroso , J. I. García-García , A. Vigneron-Tenorio

An unsupervised learning classification model is described. It achieves classification error probability competitive with that of popular supervised learning classifiers such as SVM or kNN. The model is based on the incremental execution of…

机器学习 · 计算机科学 2024-10-01 Daniel N. Nissani

Semi-Supervised Learning (SSL) is a framework that utilizes both labeled and unlabeled data to enhance model performance. Conventional SSL methods operate under the assumption that labeled and unlabeled data share the same label space.…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Noam Fluss , Guy Hacohen , Daphna Weinshall