Week of July 28, 2026
2026-W31
Twenty new disruptive preprints for ISO week 31: Beacon; The International Lunar Reference System; ROAD; Logical computation with canonical lifted product codes; Rotating mirror with all-directional pinch compressions - The beauty and simplicity in controlled nuclear fusion. Free explainers for humans; structured JSON for agents via x402. Prior week 2026-W30 remains in the archive.
Beacon: Knowing When and How to Perform Agentic Visual Reasoning
The fundamental goal of agentic visual reasoning is to improve the success rate of multimodal large language models (MLLMs) on complex tasks, rather than merel…
Read free explainer →
The International Lunar Reference System
As the exploration of the Moon accelerates in the coming years, there is already an urgent need to standardise the Position, Navigation and Timing of spacecraf…
Read free explainer →
ROAD: Reciprocal-Objective Alignment of Discriminative Semantics for 3D Shape Generation
High-fidelity 3D generation predominantly relies on scaling model capacity and data, which incurs prohibitive computational costs. This paradigm typically requ…
Read free explainer →
Logical computation with canonical lifted product codes
High-rate quantum low-density parity-check (qLDPC) codes encode many logical qubits with low physical-qubit overhead, but realizing efficient fault-tolerant co…
Read free explainer →
Rotating mirror with all-directional pinch compressions - The beauty and simplicity in controlled nuclear fusion
Controlling nuclear fusion is so challenging that for decades, people have been asking: Are we closer to infinite clean energy? Upon the philosophy of beauty a…
Read free explainer →
PAC-MAN: Perception-Aware CBF-RL for Whole-Body Safety in Humanoid Dodgeball
We present PAC-MAN, a perception-aware CBF-RL framework that couples control-barrier safety with deployment-realistic onboard sensing for whole-body humanoid d…
Read free explainer →
FA-RDP: A Frequency-Adaptive Reactive Diffusion Policy for Contact-Rich Manipulation
In contact-rich manipulation, action multimodality and reactivity dominate different stages of a single episode. Before contact, multiple trajectories might be…
Read free explainer →
DualG-MRAG: Decoupling Macro-Reasoning and Micro-Matching for Multimodal Retrieval-Augmented Generation
While Multimodal Retrieval-Augmented Generation (MM-RAG) has shown promising results, it still struggles with complex multi-hop reasoning tasks. Existing metho…
Read free explainer →
Lifting Lifted Product Codes
Lifted product (LP) codes form an important class of quantum error correcting codes with favorable code parameters. We introduce a systematic construction of L…
Read free explainer →
Spacetime Layout and Logical Compilation of Color Code
Fault-tolerant quantum computing requires system-level coordination of logical primitives. Here, we establish a logical compilation framework for the color cod…
Read free explainer →
Mitigating quantum decoherence via global optimal control
We show that global optimal control can drastically suppress the impact of decoherence in globally driven superconducting quantum computing architectures, taki…
Read free explainer →
On the Cost of Entrainment in Protein Translation
Biological systems often synchronize their dynamics with periodic environmental and intracellular signals. Whether such periodic coordination can also improve…
Read free explainer →
A Provable Oracle-Free Quantum Algorithm for Nonlinear Dynamics on Hybrid Oscillator-Qubit Processors
We develop a hybrid qubit--qumode algorithm for nonlinear ordinary differential equations of the form $\dot{\mathbf{x}}=\mathbf{f}(\mathbf{x})$ with drift of p…
Read free explainer →
Change2Task: From Repository Changes to Executable Coding Agent Tasks and Environments
Scaling coding agents requires a continuing supply of executable data for training, benchmarking, and continuous evaluation. Each task must couple a realistic…
Read free explainer →
Rethinking Inference-Time Scaling in Local Computer-Use Agents: Failure Modes and Compute Tradeoffs
Deploying autonomous computer-use agents (CUAs) locally is increasingly important for privacy, cost efficiency, and practical usability, yet improving their pe…
Read free explainer →
SCTA: An Agentic Framework for Stable and Interpretable Target Gene Discovery from Single-Cell RNA Sequencing
Identifying therapeutic target genes from single-cell RNA sequencing (scRNA-seq) data remains a fundamental challenge in translational biology. Unlike bulk ass…
Read free explainer →
Drumhead Surface States of Rhombohedral Graphite with Near Ideal Quantum Geometry Condition
The ideal quantum geometry (IQG) condition of equal magnitude between quantum metric ($G(k)$) and Berry curvature ($Ω(k)$) as in $|Ω|$/Tr$G$=1 has been associa…
Read free explainer →
Disentangling bulk and surface states in the electronic structure of PtBi$_2$(0001)
Recent reports of surface-localized topological superconductivity in trigonal PtBi$_2$ highlight the importance of understanding its surface electronic structu…
Read free explainer →
Altermagnetism from a Cu-Fe Lieb Lattice in FeSe/Cuprate Heterostructures
Realizing altermagnetism in high-$T_c$ cuprate-based systems would provide a direct route for studying spin-split electronic bands in the absence of net magnet…
Read free explainer →
X-NavDP: Generalizing Navigation Diffusion Policy to Novel Behavior and Embodiments with Group Q-score Reweighted Matching
Pretraining navigation diffusion policies rely on large-scale expert demonstrations. These data are typically generated by a fully-informed oracle planner suit…
Read free explainer →
