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Quantum information theory is the study of the achievable limits of information processing within quantum mechanics. Many different types of information can be accommodated within quantum mechanics, including classical information, coherent…

量子物理 · 物理学 2007-05-23 M. A. Nielsen

How well can multiple incompatible observables be implemented by a single measurement? This is a fundamental problem in quantum mechanics with wide implications for the performance optimization of numerous tasks in quantum information…

量子物理 · 物理学 2024-10-10 Hongzhen Chen , Lingna Wang , Haidong Yuan

In many areas of engineering and sciences, decision rules and control strategies are usually designed based on nominal values of relevant system parameters. To ensure that a control strategy or decision rule will work properly when the…

概率论 · 数学 2020-06-16 Xinjia Chen

In order to achieve a more virtual design and certification process of jet engines in aviation industry, the uncertainty bounds for computational fluid dynamics have to be known. This work shows the application of a machine learning…

计算工程、金融与科学 · 计算机科学 2022-02-07 Marcel Matha , Christian Morsbach

In this contribution I review rigorous formulations of a variety of limitations of measurability in quantum mechanics. To this end I begin with a brief presentation of the conceptual tools of modern measurement theory. I will make precise…

量子物理 · 物理学 2011-01-04 Paul Busch

Model-based deep learning solutions to inverse problems have attracted increasing attention in recent years as they bridge state-of-the-art numerical performance with interpretability. In addition, the incorporated prior domain knowledge…

机器学习 · 统计学 2023-09-18 Frederik Hoppe , Claudio Mayrink Verdun , Felix Krahmer , Hannah Laus , Holger Rauhut

Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks due to large training datasets and powerful transformer architecture. However, the reliability of responses from LLMs remains a question.…

计算与语言 · 计算机科学 2025-02-26 Tiejin Chen , Xiaoou Liu , Longchao Da , Jia Chen , Vagelis Papalexakis , Hua Wei

Uncertainties from model parameters and model discrepancy from small-scale models impact the accuracy and reliability of predictions of large-scale systems. Inadequate representation of these uncertainties may result in inaccurate and…

统计方法学 · 统计学 2014-12-18 K. Sham Bhat , David S. Mebane , Curtis B. Storlie , Priyadarshi Mahapatra

This paper introduces a new approach to quantify the impact of forward propagated demand and weather uncertainty on power system planning and operation models. Recent studies indicate that such sampling uncertainty, originating from demand…

应用统计 · 统计学 2020-11-17 Adriaan P Hilbers , David J Brayshaw , Axel Gandy

In the framework of uncertainty quantification, we consider a quantity of interest which depends non-smoothly on the high-dimensional parameter representing the uncertainty. We show that, in this situation, the multilevel Monte Carlo…

数值分析 · 数学 2017-06-27 Laura Scarabosio

Uncertainty quantification is a fundamental problem in the analysis and interpretation of synthetic control (SC) methods. We develop conditional prediction intervals in the SC framework, and provide conditions under which these intervals…

统计方法学 · 统计学 2021-09-09 Matias D. Cattaneo , Yingjie Feng , Rocio Titiunik

Optimizing the design of complex systems requires navigating interdependent decisions, heterogeneous components, and multiple objectives. Our monotone theory of co-design offers a compositional framework for addressing this challenge,…

系统与控制 · 电气工程与系统科学 2025-08-13 Yujun Huang , Marius Furter , Gioele Zardini

Uncertainty principle is one of the most essential features in quantum mechanics and plays profound roles in quantum information processing. We establish tighter summation form uncertainty relations based on metric-adjusted skew information…

量子物理 · 物理学 2024-06-26 Cong Xu , Qing-Hua Zhang , Shao-Ming Fei

Uncertainty quantification is crucial for building reliable and trustable machine learning systems. We propose to estimate uncertainty in recurrent neural networks (RNNs) via stochastic discrete state transitions over recurrent timesteps.…

机器学习 · 计算机科学 2020-11-25 Cheng Wang , Carolin Lawrence , Mathias Niepert

Survival models are used in various fields, such as the development of cancer treatment protocols. Although many statistical and machine learning models have been proposed to achieve accurate survival predictions, little attention has been…

机器学习 · 计算机科学 2020-03-26 Hrushikesh Loya , Pranav Poduval , Deepak Anand , Neeraj Kumar , Amit Sethi

Some fundamental aspects related with the construction of Robertson-Schr\"odinger like uncertainty principle inequalities are reported in order to provide an overall description of quantumness, separability and nonlocality of quantum…

量子物理 · 物理学 2018-03-14 Orfeu Bertolami , Alex E. Bernardini , Pedro Leal

Despite demonstrating impressive capabilities, Large Language Models (LLMs) still often struggle to accurately express the factual knowledge they possess, especially in cases where the LLMs' knowledge boundaries are ambiguous. To improve…

计算与语言 · 计算机科学 2025-05-26 Boyang Xue , Fei Mi , Qi Zhu , Hongru Wang , Rui Wang , Sheng Wang , Erxin Yu , Xuming Hu , Kam-Fai Wong

Proper quantification of predictive uncertainty is essential for the use of machine learning in safety-critical applications. Various uncertainty measures have been proposed for this purpose, typically claiming superiority over other…

机器学习 · 计算机科学 2025-12-16 Paul Hofman , Yusuf Sale , Eyke Hüllermeier

In this paper, we study the problem of uncertainty estimation and calibration for LLMs. We begin by formulating the uncertainty estimation problem, a relevant yet underexplored area in existing literature. We then propose a supervised…

机器学习 · 计算机科学 2024-10-24 Linyu Liu , Yu Pan , Xiaocheng Li , Guanting Chen

Uncertainty quantification (UQ) methods for Large Language Models (LLMs) encompass a variety of approaches, with two major types being particularly prominent: information-based, which focus on model confidence expressed as token…