Clay weekly context brief for the Computer Science category (ISO week 2026-W32).

Clay tracks publications from the Computer Science feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed.

Recent publications:
1. Geometric View on Integrated Cascaded Channel of IRS-Aided Communications
   Source: cs.NI (Networking and Internet Architecture)
   Link: https://arxiv.org/abs/2607.27972
   The hybrid intelligent reflecting surface (IRS) architecture is a novel technology that leverages the advantages of both passive and active IRS; the passive IRS offers a large aperture, while the active IRS provides additional power amplification.
2. FunL2O: LLM-Guided Feature Function Design for Learning to Optimize
   Source: cs.LG (Machine Learning)
   Link: https://arxiv.org/abs/2607.27389
   Learning-to-optimize (L2O) methods accelerate repeated optimization by training models to predict solutions, warm starts, branching decisions, or other forms of solver guidance.
3. $\Sigma$-Mem: An Online Reliability Memory for LLM-based Multi-Agent Systems
   Source: cs.MA (Multiagent Systems)
   Link: https://arxiv.org/abs/2607.27958
   Memory is central to long-horizon LLM agents, yet existing memory systems primarily preserve interaction content rather than modeling which agents can be trusted and under what conditions.
4. Characterization and Decidability of FC-Definable Regular Languages
   Source: cs.FL (Formal Languages and Automata Theory)
   Link: https://arxiv.org/abs/2505.09772
   FC is a first-order logic that reasons over all factors of a finite word using concatenation, and can define non-regular languages like that of all squares (ww).
5. Finding Change in Satellite Archives from Text: How to Combine Before-and-After Images Efficiently
   Source: cs.IR (Information Retrieval)
   Link: https://arxiv.org/abs/2607.28571
   Operational Earth observation increasingly calls for answering queries such as ``find the image pairs where a new building appeared.'' This means searching an archive of before-and-after (bi-temporal) satellite image pairs and ranking each pair by how well it matches a natural-language description of the change.
6. Having Dog Ears "for Real": Effects of Active and Passive Haptics on Embodying Non-Human Body Parts in VR
   Source: cs.HC (Human-Computer Interaction)
   Link: https://arxiv.org/abs/2606.26364
   Embodying non-human body parts in VR is a prevalent practice among certain subcultures and is a personally important creative outlet to many individuals.
7. Topology optimization of conduction-radiation problems based on a ray-tracing approach
   Source: cs.CE (Computational Engineering, Finance, and Science)
   Link: https://arxiv.org/abs/2607.28534
   Thermal management is essential in space systems, where electronic devices must dissipate heat via radiative heat transfer.
8. A CPU+DCU Heterogeneous Parallel Framework for Post-Processing Reconstruction in Quantum Circuit Cutting
   Source: cs.DC (Distributed, Parallel, and Cluster Computing)
   Link: https://arxiv.org/abs/2607.27947
   In the NISQ era, limited qubit resources make it difficult to execute large quantum circuits directly on real hardware.
9. Constitutional Midtraining: Content Presence Drives Alignment Gains
   Source: cs.CY (Computers and Society)
   Link: https://arxiv.org/abs/2607.26654
   Post-training alignment is often shallow, eroding under fine-tuning.
10. MedLLM: An Open Medical Language Model at the Sub-Billion Scale
   Source: cs.AI (Artificial Intelligence)
   Link: https://arxiv.org/abs/2607.27490
   Open medical language models have converged on a single scale: every widely used system runs at 7B parameters or more, leaving the sub-billion regime uncharacterized.
11. Agent Harness Distillation: Inference-Time Harness Extraction and Exploitation in Autonomous Multi-Agent Systems
   Source: cs.CR (Cryptography and Security)
   Link: https://arxiv.org/abs/2607.28147
   Autonomous multi-agent systems (AMAS) built on large language models (LLMs), such as Hermes, increasingly rely on inference-time harnesses to coordinate reasoning and action.
12. An Efficient Solution to the 2D Visibility Problem in Cartesian Grid Maps and its Application in Heuristic Path Planning
   Source: cs.CG (Computational Geometry)
   Link: https://arxiv.org/abs/2403.06494
   This paper introduces a novel, lightweight method to solve the visibility problem for 2D grids.
13. Learning Functions of Halfspaces
   Source: cs.CC (Computational Complexity)
   Link: https://arxiv.org/abs/2603.08700
   We give an algorithm that learns arbitrary Boolean functions of $k$ arbitrary halfspaces over $\mathbb{R}^n$, in the challenging distribution-free Probably Approximately Correct (PAC) learning model, running in time $2^{\sqrt{n} \cdot (\log n)^{O(k)}}$.
14. CompoVista: A Composition-Graph-Based Visual Analytics System for Compositional Analysis of Traditional Chinese Paintings
   Source: cs.GR (Graphics)
   Link: https://arxiv.org/abs/2607.07105
   Compositional analysis of Traditional Chinese Paintings (TCPs) reveals how spatial arrangement, narrative structure, and cultural-aesthetic meaning are organized within the pictorial field.
15. Beyond Similarity: Grounded Agentic Extraction and Expert-Adjudicated Evaluation of Intertextuality in Classical Chinese Histories
   Source: cs.DL (Digital Libraries)
   Link: https://arxiv.org/abs/2607.27595
   Computational approaches to intertextuality have advanced from string matching to neural retrieval, yet their outputs, similarity scores and parallel-passage lists, identify where texts reuse one another without characterizing how or why.
16. A Structured Knowledge Infrastructure for Domain-Specific Data Asset Discovery
   Source: cs.DB (Databases)
   Link: https://arxiv.org/abs/2607.27748
   Enterprise data analytics agents face two structural failures: generic RAG retrieves the wrong asset (Hit@10=19.1%) and delivers no usage knowledge to prevent metric misinterpretation---stemming from four root causes (C1--C4) ranging from semantic gap and entity ambiguity to schema drift and asset-usage gap.
17. Benchmarking LLM Competence on Logical Inference over Probability Operators
   Source: cs.CL (Computation and Language)
   Link: https://arxiv.org/abs/2607.27405
   Both expressions of uncertainty and inferences are ubiquitous in natural language, and valid inferences over natural-language expressions of uncertainty are necessary for not only everyday conversations but also for high-stakes domains such as medicine and law.
18. Certificate-Aware Property-Directed Reachability
   Source: cs.AR (Hardware Architecture)
   Link: https://arxiv.org/abs/2605.16472
   Property-Directed Reachability (PDR/IC3) is widely used for hardware safety verification.
19. Simulation of Surgical Suturing Using Position-Based Dynamics and the Material Point Method for Robot Reinforcement Learning
   Source: cs.RO (Robotics)
   Link: https://arxiv.org/abs/2607.27494
   Recent advances in robotics research have created a strong demand for high-performance simulators.
20. Do Context Files Help Coding Agents? A Two-Agent Ablation Study on Real Repositories
   Source: cs.SE (Software Engineering)
   Link: https://arxiv.org/abs/2607.27250
   Persistent context files (AGENTS.md, CLAUDE.md) are standard practice for guiding AI coding agents, yet evidence for their effectiveness is contradictory.
21. MMAC: A Massive Multi-dimensional Benchmark for Audio Captioning
   Source: cs.SD (Sound)
   Link: https://arxiv.org/abs/2607.27109
   With the development of audio large language models (AudioLLMs), audio captioning needs to move from brief descriptions toward open-ended and fine-grained free-form descriptions.
22. Refined bit complexity for the computation of at least one point per connected component of a smooth complete intersection real algebraic set
   Source: cs.SC (Symbolic Computation)
   Link: https://arxiv.org/abs/2508.20607
   We refine the bit complexity analysis of an algorithm for the computation of at least one point per connected component of a smooth real algebraic set, yielding exponential speedup (with respect to the number of variables) compared to prior works.
23. Confluence of conditional rewriting modulo
   Source: cs.PL (Programming Languages)
   Link: https://arxiv.org/abs/2504.01847
   Sets of equations E play an important computational role in rewriting-based systems R.
24. Quantum Fidelity-per-Cost: A Metric for Evaluation of Quantum Computing Systems
   Source: cs.PF (Performance)
   Link: https://arxiv.org/abs/2607.28572
   Cloud-accessible quantum computing has made hardware comparison not only a physics benchmark but also a practical purchasing decision.
25. A Sub-6G Mixer First RXFE with LO Overlap Reduction and 1.08 dB NF Degradation
   Source: cs.SY (Systems and Control)
   Link: https://arxiv.org/abs/2607.28546
   This work presents a mixer-first receiver front-end (RXFE) optimized for sub-6 GHz applications with minimized local oscillator (LO) pulse overlap.
26. CoSimRec: Measuring Coordinated-Content Penetration in Recommender Feedback Loops
   Source: cs.SI (Social and Information Networks)
   Link: https://arxiv.org/abs/2607.15114
   Recommender systems shape which content reaches users, making it important to measure whether coordinated activity gains visibility beyond the accounts that initiate it.
27. A Multi-Perspective Study of the Internet Shutdown in Iran
   Source: cs.NI (Networking and Internet Architecture)
   Link: https://arxiv.org/abs/2605.00187
   Iran conducted two nationwide Internet shutdowns in 2026, on January 8-25 and March 1-May 26, the latter lasting 86 days.
28. Good Rankers, Bad Objectives: Bilinear Contrastive Critics under Expressive Policy Search
   Source: cs.LG (Machine Learning)
   Link: https://arxiv.org/abs/2607.27422
   Good action rankings do not make a contrastive critic safe to maximize.
29. Scaling LLM-Driven Multi-Agent Systems: Design Principles and Architectural Scalability Analysis
   Source: cs.MA (Multiagent Systems)
   Link: https://arxiv.org/abs/2607.27942
   LLM-based multi-agent systems have the potential to enable collective intelligence and scale toward solving highly complex tasks through coordinated ensembles of specialized agents.

Sources in this brief: cs.AI (Artificial Intelligence); cs.AR (Hardware Architecture); cs.CC (Computational Complexity); cs.CE (Computational Engineering, Finance, and Science); cs.CG (Computational Geometry); cs.CL (Computation and Language); cs.CR (Cryptography and Security); cs.CY (Computers and Society); cs.DB (Databases); cs.DC (Distributed, Parallel, and Cluster Computing); cs.DL (Digital Libraries); cs.FL (Formal Languages and Automata Theory); cs.GR (Graphics); cs.HC (Human-Computer Interaction); cs.IR (Information Retrieval); cs.LG (Machine Learning); cs.MA (Multiagent Systems); cs.NI (Networking and Internet Architecture); cs.PF (Performance); cs.PL (Programming Languages); cs.RO (Robotics); cs.SC (Symbolic Computation); cs.SD (Sound); cs.SE (Software Engineering); cs.SI (Social and Information Networks); cs.SY (Systems and Control).
Selected 29 of 312 available items for this weekly brief.