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Recently in Reference [ quant-ph/0202121] a computational criterion of separability induced by greatest cross norm is proposed by Rudolph. There, Rudolph conjectured that the new criterion is not weaker than positive partial transpose…

量子物理 · 物理学 2007-05-23 S. J. Akhtarshenas , M. A. Jafarizadeh

An information-theoretic approach to irregular repetition slotted ALOHA (IRSA) is proposed. In contrast with previous works, in which IRSA analysis is conducted only based on quantities that are typical of collision models such as the…

信息论 · 计算机科学 2022-07-15 Enrico Paolini , Lorenzo Valentini , Velio Tralli , Marco Chiani

Iterative sketching and sketch-and-precondition are well-established randomized algorithms for solving large-scale, over-determined linear least-squares problems. In this paper, we introduce a new perspective that interprets Iterative…

数值分析 · 数学 2024-10-18 Ruihan Xu , Yiping Lu

Ensuring safety in Reinforcement Learning (RL), typically framed as a Constrained Markov Decision Process (CMDP), is crucial for real-world exploration applications. Current approaches in handling CMDP struggle to balance optimality and…

机器人学 · 计算机科学 2024-03-07 Zhaorun Chen , Zhuokai Zhao , Tairan He , Binhao Chen , Xuhao Zhao , Liang Gong , Chengliang Liu

Randomized smoothing-based certification is an effective approach for obtaining robustness certificates of deep neural networks (DNNs) against adversarial attacks. This method constructs a smoothed DNN model and certifies its robustness…

机器学习 · 计算机科学 2024-04-12 Shubham Ugare , Tarun Suresh , Debangshu Banerjee , Gagandeep Singh , Sasa Misailovic

Despite their impressive performance on diverse tasks, neural networks fail catastrophically in the presence of adversarial inputs---imperceptibly but adversarially perturbed versions of natural inputs. We have witnessed an arms race…

机器学习 · 计算机科学 2018-11-06 Aditi Raghunathan , Jacob Steinhardt , Percy Liang

The Kepler DR25 planet candidate catalog was produced using an automated method of planet candidate identification based on various tests. These tests were tuned to obtain a reasonable but arbitrary balance between catalog completeness and…

地球与行星天体物理 · 物理学 2020-10-21 Steve Bryson , Jeffrey L. Coughlin , Michelle Kunimoto , Susan E. Mullally

Reinforcement Learning with Verifiable Rewards (RLVR) has become a central approach for improving the reasoning ability of large language models. Recent work studies RLVR through token entropy, arguing that high-entropy tokens drive…

机器学习 · 计算机科学 2025-12-02 Xinzhu Chen , Xuesheng Li , Zhongxiang Sun , Weijie Yu

Linear systems with a tensor product structure arise naturally when considering the discretization of Laplace type differential equations or, more generally, multidimensional operators with separable coefficients. In this work, we focus on…

数值分析 · 数学 2023-11-03 Stefano Massei , Leonardo Robol

A recently introduced framework of semidiscretisations for hyperbolic conservation laws known as correction procedure via reconstruction (CPR, also known as flux reconstruction) is considered in the extended setting of summation-by-parts…

数值分析 · 数学 2016-06-06 Jan Glaubitz , Hendrik Ranocha , Philipp Öffner , Thomas Sonar

Deep reinforcement learning (DRL) is a promising approach for developing legged locomotion skills. However, the iterative design process that is inevitable in practice is poorly supported by the default methodology. It is difficult to…

机器人学 · 计算机科学 2019-03-25 Zhaoming Xie , Patrick Clary , Jeremy Dao , Pedro Morais , Jonathan Hurst , Michiel van de Panne

This paper extends a conventional, general framework for online adaptive estimation problems for systems governed by unknown nonlinear ordinary differential equations. The central feature of the theory introduced in this paper represents…

系统与控制 · 计算机科学 2017-07-11 Parag Bobade , Suprotim Majumdar , Savio Pereira , Andrew J. Kurdila , John B. Ferris

We consider the task of evaluating policies of algorithmic resource allocation through randomized controlled trials (RCTs). Such policies are tasked with optimizing the utilization of limited intervention resources, with the goal of…

人工智能 · 计算机科学 2023-02-07 Aditya Mate , Bryan Wilder , Aparna Taneja , Milind Tambe

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner's speech. Recently, self-supervised learning (SSL) has shown stellar…

声音 · 计算机科学 2025-03-04 Tien-Hong Lo , Fu-An Chao , Tzu-I Wu , Yao-Ting Sung , Berlin Chen

Existing synthetic tool-use corpora are primarily designed for offline supervised fine-tuning, yet reinforcement learning (RL) requires executable environments that support reward-checkable online rollouts. We propose COVERT, a two-stage…

人工智能 · 计算机科学 2026-04-14 Siyuan Xu , Shiyang Li , Xin Liu , Tianyi Liu , Yixiao Li , Zhan Shi , Zixuan Zhang , Zilong Wang , Qingyu Yin , Jianshu Chen , Tuo Zhao , Bing Yin

We propose a novel framework to solve risk-sensitive reinforcement learning (RL) problems where the agent optimises time-consistent dynamic spectral risk measures. Based on the notion of conditional elicitability, our methodology constructs…

机器学习 · 计算机科学 2023-05-02 Anthony Coache , Sebastian Jaimungal , Álvaro Cartea

Property Directed Reachability (\textsc{Pdr}), also known as IC3, is a state-of-the-art model checking algorithm widely used for verifying safety properties. While \textsc{Pdr} is effective in finding inductive invariants, its underlying…

计算机科学中的逻辑 · 计算机科学 2025-05-27 Andrew Luka , Yakir Vizel

Reinforcement Learning-based Recommender Systems (RLRS) have shown promise across a spectrum of applications, from e-commerce platforms to streaming services. Yet, they grapple with challenges, notably in crafting reward functions and…

信息检索 · 计算机科学 2024-03-27 Siyu Wang , Xiaocong Chen , Lina Yao

Using fractional-calculus mathematics, a novel approach is introduced to rewrite modified Bessel functions in series form using simple elementary functions. Then, a statistical characterization of the total receive-SNR at the destination,…

信息论 · 计算机科学 2015-06-16 Mehdi M. Molu

We construct a soft thresholding operation for rank reduction of hierarchical tensors and subsequently consider its use in iterative thresholding methods, in particular for the solution of discretized high-dimensional elliptic problems. The…

数值分析 · 数学 2015-02-02 Markus Bachmayr , Reinhold Schneider