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For the task of relevance analysis, the conventional Tukey's test may be applied to the set of all pairwise comparisons. However, there were few studies that discuss both nonparametric k-sample comparisons and relevance analysis in high…

统计方法学 · 统计学 2021-07-05 Xiaoping Shi

The Dirichlet-to-Neumann map associated to an elliptic partial differential equation becomes multivalued when the underlying Dirichlet problem is not uniquely solvable. The main objective of this paper is to present a systematic study of…

偏微分方程分析 · 数学 2015-11-10 J. Behrndt , A. F. M. ter Elst

The framework of this paper is that of risk measuring under uncertainty, which is when no reference probability measure is given. To every regular convex risk measure on ${\cal C}_b(\Omega)$, we associate a unique equivalence class of…

风险管理 · 定量金融 2015-03-17 Jocelyne Bion-Nadal , Magali Kervarec

In the present paper we consider the problem of Laplace deconvolution with noisy discrete non-equally spaced observations on a finite time interval. We propose a new method for Laplace deconvolution which is based on expansions of the…

统计方法学 · 统计学 2015-03-17 Fabienne Comte , Charles-A. Cuenod , Marianna Pensky , Yves Rozenholc

We relax the regularity condition on potentials of Schr\"odinger equations in the uniqueness results in \cite{EB} and \cite{IY2} for the inverse boundary value problem of determining a potential by Dirichlet-to-Neumann map.

数学物理 · 物理学 2012-08-21 Oleg Yu. Imanuvilov , Masahiro Yamamoto

We revisit the problem of estimating the local average treatment effect (LATE) and the local average treatment effect on the treated (LATT) when control variables are available, either to render the instrumental variable (IV) suitably…

计量经济学 · 经济学 2022-11-16 Tymon Słoczyński , S. Derya Uysal , Jeffrey M. Wooldridge

Deep reinforcement learning (DRL) demonstrates great potential in mapless navigation domain. However, such a navigation model is normally restricted to a fixed configuration of the range sensor because its input format is fixed. In this…

机器人学 · 计算机科学 2021-03-12 Wei Zhang , Ning Liu , Yunfeng Zhang

In this paper, we consider the inverse eigenvalue problem for the positive doubly stochastic matrices, which aims to construct a positive doubly stochastic matrix from the prescribed realizable spectral data. By using the real Schur…

数值分析 · 数学 2020-12-02 Yang Wang , Zhi Zhao , Zheng-Jian Bai

We propose a "decomposition method" to prove non-asymptotic bound for the convergence of empirical measures in various dual norms. The main point is to show that if one measures convergence in duality with sufficiently regular observables,…

概率论 · 数学 2018-02-13 Benoît Kloeckner

In this paper, we consider inverse shape problems coming from diffuse optical tomography and inverse scattering. In both problems, our goal is to reconstruct small volume interior regions from measured data on the exterior surface of an…

偏微分方程分析 · 数学 2023-02-13 Govanni Granados , Isaac Harris

Braneworld effective action for two-brane model is constructed by two different methods based respectively on the Dirichlet and Neumann boundary value problems. The equivalence of these methods is shown due to nontrivial duality relations…

高能物理 - 理论 · 物理学 2007-05-23 D. V. Nesterov , A. O. Barvinsky

A numerical method is developed for recovering both the source locations and the obstacle from the scattered Cauchy data of the time-harmonic acoustic field. First of all, the incident and scattered components are decomposed from the…

数值分析 · 数学 2023-06-13 Deyue Zhang , Yan Chang , Yukun Guo

The vast majority of literature on evaluating the significance of a treatment effect based on observational data has been confined to discrete treatments. These methods are not applicable to drawing inference for a continuous treatment,…

统计方法学 · 统计学 2023-05-23 Charles R. Doss , Guangwei Weng , Lan Wang , Ira Moscovice , Tongtan Chantarat

In this work, we propose an innovative iterative direct sampling method to solve nonlinear elliptic inverse problems from a limited number of pairs of Cauchy data. It extends the original direct sampling method (DSM) by incorporating an…

数值分析 · 数学 2025-03-04 Kazufumi Ito , Bangti Jin , Fengru Wang , Jun Zou

In this paper we revisit the classical Cauchy problem for Laplace's equation as well as two further related problems in the light of regularisation of this highly ill-conditioned problem by replacing integer derivatives with fractional…

数值分析 · 数学 2023-09-26 Barbara Kaltenbacher an William Rundell

We propose a monotone, and consistent numerical scheme for the approximation of the Dirichlet problem for the normalized Infinity Laplacian, which could be related to the family of so--called two--scale methods. We show that this method is…

数值分析 · 数学 2022-09-14 Wenbo Li , Abner J. Salgado

Granger causality is popular for analyzing time series data in many applications from natural science to social science including genomics, neuroscience, economics, and finance. Consequently, the Granger causality test has become one of the…

统计方法学 · 统计学 2025-10-16 Yongchang Hui , Chijin Liu , Xiaojun Song

We consider an inverse problem for a radiative transport equation (RTE) in which boundary sources and measurements are restricted to a single subset $E$ of the boundary of the domain $\Omega$. We show that this problem can be solved…

偏微分方程分析 · 数学 2020-01-31 Francis J. Chung

We consider the following inverse problem: Suppose a $(1+1)$-dimensional wave equation on $\mathbb{R}_+$ with zero initial conditions is excited with a Neumann boundary data modelled as a white noise process. Given also the Dirichlet data…

偏微分方程分析 · 数学 2026-01-19 Emilia L. K. Blåsten , Tapio Helin , Antti Kujanpää , Lauri Oksanen , Jesse Railo

We prove identification of coefficients up to gauge by Cauchy data at the boundary for elliptic systems on oriented compact surfaces with boundary or domains of $\mathbb{C}$. In the geometric setting, we fix a Riemann surface with boundary,…

偏微分方程分析 · 数学 2011-05-24 Pierre Albin , Colin Guillarmou , Leo Tzou , Gunther Uhlmann
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