For every paper on this page, at least one of the original authors has seen our plain-language explanation and engaged with it — either confirming it reads accurately or requesting corrections that we then applied. An endorsement does not mean the authors formally approve every sentence, but it does mean the explanation has passed the eyes of the people who wrote the paper.

438 papers reviewed by authors · 1–10 / 438

The N--P and 1+1+2 correspondence

This paper establishes a complete dictionary between the Newman--Penrose and 1+1+2 semitetrad covariant formalisms by expressing all spin coefficients and curvature scalars in terms of 1+1+2 variables, thereby providing a geometrical interpretation of Newman--Penrose quantities and deriving necessary conditions for future outer trapping horizons in locally rotationally symmetric spacetimes.

Abbas M Sherif, Peter K S Dunsby2026-05-29✓ Author reviewed ⚛️ gr-qc

Feature Geometry of LoRA Adapters: A Sparse Autoencoder Analysis of Representational Divergence in Fine-Tuned Language Models

This paper utilizes Sparse Autoencoders to demonstrate that Low-Rank Adaptation (LoRA) fine-tuning induces distinct representational structures within language models that are geometrically misaligned with pretrained feature dictionaries, suggesting that adapter-specific updates occupy partially unique spaces in the residual stream.

Prasanth K K2026-05-29✓ Author reviewed 🤖 cs.LG

Sub-luminous Type IIP SN 2024abfl as a result of a significantly low energy Fe-core collapse

This paper presents multiwavelength observations and hydrodynamical modeling of the exceptionally faint Type IIP supernova SN 2024abfl in NGC 2146, revealing it to be the result of a low-energy core-collapse explosion from a compact, low-mass progenitor that provides new constraints on the mechanisms of such events.

Rishabh Singh Teja, D. K. Sahu, G. C. Anupama, Avinash Singh, Amrit Dutta, Gitika Rameshan, Hrishav Das, Koji S Kawabata, Mridweeka Singh, Varun Bhalerao2026-05-29✓ Author reviewed 🔭 astro-ph

Offline Multi-agent Reinforcement Learning via Sequential Score Decomposition

This paper proposes a novel offline multi-agent reinforcement learning framework that addresses distributional shifts and multimodal coordination challenges in cooperative tasks by employing a sequential score decomposition method combined with diffusion-based generative models to guide policy updates toward high-reward, in-distribution regions, achieving state-of-the-art performance across diverse benchmarks.

Dan Qiao, Wenhao Li, Shanchao Yang, Hongyuan Zha, Baoxiang Wang2026-05-29✓ Author reviewed 🤖 cs.LG

Supervised Distributional Reduction via Optimal Transport and Dependence Maximization

This paper proposes Supervised Distributional Reduction (SDR), a novel algorithm that integrates Optimal Transport with explicit dependence maximization to learn compact, target-aware representations that simultaneously preserve intrinsic data geometry and predictive signal, while also enabling the construction of adaptive, non-stationary kernels for downstream tasks like Gaussian Process modeling.

Sai-Aakash Ramesh, Archit Sood, Andrew Corbett, Tim Dodwell2026-05-28✓ Author reviewed 🤖 cs.LG