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Synthesis is a particularly challenging problem for concurrent programs. At the same time it is a very promising approach, since concurrent programs are difficult to get right, or to analyze with traditional verification techniques. This…

形式语言与自动机理论 · 计算机科学 2015-06-09 Anca Muscholl

Self-stabilization is a versatile fault-tolerance approach that characterizes the ability of a system to eventually resume a correct behavior after any finite number of transient faults. In this paper, we propose a self-stabilizing reset…

分布式、并行与集群计算 · 计算机科学 2019-04-23 Stéphane Devismes , Colette Johnen

Quantum states obey an asymptotic no-cloning theorem, stating that no deterministic machine can reliably replicate generic sequences of identically prepared pure states. In stark contrast, we show that generic sequences of unitary gates can…

量子物理 · 物理学 2015-04-01 G. Chiribella , Y. Yang , C. Huang

Reconciliation is a crucial procedure in post-processing of continuous variable quantum key distribution (CV-QKD) system, which is used to make two distant legitimate parties share identical corrected keys. The adaptive reconciliation is…

量子物理 · 物理学 2019-09-30 Xuan Wen , Qiong Li , Haokun Mao , Yi Luo , Bingze Yan

Reinforcement Learning (RL) has emerged as a powerful framework for sequential decision-making in dynamic environments, particularly when system parameters are unknown. This paper investigates RL-based control for entropy-regularized…

系统与控制 · 电气工程与系统科学 2025-12-02 Gabriel Diaz , Lucky Li , Wenhao Zhang

In this article, we study some parallel processing algorithms for multiplication and modulo operations. We demonstrate that the state transitions that are formed under these algorithms satisfy lattice-linearity, where these algorithms…

分布式、并行与集群计算 · 计算机科学 2024-10-16 Arya Tanmay Gupta , Sandeep S Kulkarni

In this paper, we present a simple combinatorial algorithm that solves symmetric diagonally dominant (SDD) linear systems in nearly-linear time. It uses very little of the machinery that previously appeared to be necessary for a such an…

数据结构与算法 · 计算机科学 2013-01-29 Jonathan A. Kelner , Lorenzo Orecchia , Aaron Sidford , Zeyuan Allen Zhu

This work develops a zero-shot mechanism, Comp-LTL, for an agent to satisfy a Linear Temporal Logic (LTL) specification given existing task primitives trained via reinforcement learning (RL). Autonomous robots often need to satisfy spatial…

机器人学 · 计算机科学 2024-12-17 Taylor Bergeron , Zachary Serlin , Kevin Leahy

Serializability is a well-understood concurrency control mechanism that eases reasoning about highly-concurrent database programs. Unfortunately, enforcing serializability has a high-performance cost, especially on geographically…

编程语言 · 计算机科学 2021-03-10 Kia Rahmani , Kartik Nagar , Benjamin Delaware , Suresh Jagannathan

The majority of existing Linear Temporal Logic (LTL) planning methods rely on the construction of a discrete product automaton, that combines a discrete abstraction of robot mobility and a B$\ddot{\text{u}}$chi automaton that captures the…

机器人学 · 计算机科学 2021-03-24 Xusheng Luo , Yiannis Kantaros , Michael M. Zavlanos

We consider a multi-agent episodic MDP setup where an agent (leader) takes action at each step of the episode followed by another agent (follower). The state evolution and rewards depend on the joint action pair of the leader and the…

机器学习 · 计算机科学 2023-01-10 Arnob Ghosh

Streaming 3D reconstruction demands long-horizon state updates under strict latency constraints, yet stateful recurrent models often suffer from geometric drift as errors accumulate over time. We revisit this problem from a Grassmannian…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Hui Deng , Yuxin Mao , Yuxin He , Yuchao Dai

We investigate a decentralised approach to committing transactions in a replicated database, under partial replication. Previous protocols either re-execute transactions entirely and/or compute a total order of transactions. In contrast,…

数据库 · 计算机科学 2009-09-29 Pierre Sutra , Marc Shapiro

In this paper, we propose a training-free method for unsupervised short text clustering that relies less on careful selection of embedders than other methods. In customer-facing chatbots, companies are dealing with large amounts of user…

计算与语言 · 计算机科学 2026-01-13 I-Fan Lin , Faegheh Hasibi , Suzan Verberne

Reverse engineering of protocol message formats is critical for many security applications. Mainstream techniques use dynamic analysis and inherit its low-coverage problem -- the inferred message formats only reflect the features of their…

密码学与安全 · 计算机科学 2024-07-02 Qingkai Shi , Xiangzhe Xu , Xiangyu Zhang

LLM-based mobile GUI agents treat every task invocation as an independent reasoning episode, requiring a full LLM inference call at each action step. This per-step dependence makes them stateless: a task completed successfully yesterday is…

人机交互 · 计算机科学 2026-04-17 Qijia Chen , Andrea Bellucci , Zhida Sun , Giulio Jacucci

Runtime repeated recursion unfolding was recently introduced as a just-in-time program transformation strategy that can achieve super-linear speedup. So far, the method was restricted to single linear direct recursive rules in the…

编程语言 · 计算机科学 2025-03-14 Thom Fruehwirth

We present Speculative Rollout with Tree-Structured Cache (SRT), a simple, model-free approach to accelerate on-policy reinforcement learning (RL) for language models without sacrificing distributional correctness. SRT exploits the…

Scaling global aggregations is a challenge for exactly-once stream processing systems. Current systems implement these either by computing the aggregation in a single task instance, or by static aggregation trees, which limits scalability…

分布式、并行与集群计算 · 计算机科学 2025-10-30 Jonas Spenger , Kolya Krafeld , Ruben van Gemeren , Philipp Haller , Paris Carbone

We study model-free reinforcement learning (RL) algorithms in episodic non-stationary constrained Markov Decision Processes (CMDPs), in which an agent aims to maximize the expected cumulative reward subject to a cumulative constraint on the…

机器学习 · 计算机科学 2023-03-13 Honghao Wei , Arnob Ghosh , Ness Shroff , Lei Ying , Xingyu Zhou