Transferable Direct Prompt Injection via Activation-Guided MCMC Sampling

Kavli Affiliate: Jing Wang | First 5 Authors: Minghui Li, Minghui Li, , , | Summary: Direct Prompt Injection (DPI) attacks pose a critical security threat to Large Language Models (LLMs) due to their low barrier of execution and high potential damage. To address the impracticality of existing white-box/gray-box methods and the poor transferability of […]


Continue.. Transferable Direct Prompt Injection via Activation-Guided MCMC Sampling

Astra: A Multi-Agent System for GPU Kernel Performance Optimization

Kavli Affiliate: Ke Wang | First 5 Authors: Anjiang Wei, Anjiang Wei, , , | Summary: GPU kernel optimization has long been a central challenge at the intersection of high-performance computing and machine learning. Efficient kernels are crucial for accelerating large language model (LLM) training and serving, yet attaining high performance typically requires extensive manual […]


Continue.. Astra: A Multi-Agent System for GPU Kernel Performance Optimization

When (not) to trust Monte Carlo approximations for hierarchical Bayesian inference

Kavli Affiliate: Salvatore Vitale | First 5 Authors: Jack Heinzel, Jack Heinzel, , , | Summary: The coming years of gravitational wave astrophysics promises thousands of new detections, which can unlock fundamental scientific insights if the information in each observation can be properly synthesized into a coherent picture. State-of-the-art approaches often accomplish this with hierarchical […]


Continue.. When (not) to trust Monte Carlo approximations for hierarchical Bayesian inference

DART: A GUI Pipeline for Aligning Histological Brain Sections to 3D Atlases and Automating Laser Microdissection

Kavli Affiliate: Justus M Kebschull | Authors: Rishi Koneru, Manjari M-G Anant, Hyopil Kim, Julian Cheron and Justus M Kebschull | Summary: The precise dissection of anatomically defined brain regions is the basis of many workflows in neurobiology. Traditionally, brain regions of interest are defined by visual inspection of tissue sections, followed by manual dissection. […]


Continue.. DART: A GUI Pipeline for Aligning Histological Brain Sections to 3D Atlases and Automating Laser Microdissection

Ringdown mode amplitudes of charged binary black holes

Kavli Affiliate: Lijing Shao | First 5 Authors: Zexin Hu, Zexin Hu, , , | Summary: The ringdown phase of the binary black hole (BBH) merger provides a clean and direct probe of strong-field gravity and tests of the nature of black holes. The quasinormal mode (QNM) frequencies in modified gravity theories, as well as […]


Continue.. Ringdown mode amplitudes of charged binary black holes

Constraining Baryon Fractions in Galaxy Groups and Clusters with the First CHIME/FRB Outrigger

Kavli Affiliate: Kiyoshi W. Masui | First 5 Authors: Adam E. Lanman, Adam E. Lanman, , , | Summary: Fast radio bursts (FRBs) provide a sensitive probe of diffuse baryons: their dispersion measures (DMs) measure electron density independent of temperature and scale linearly with gas density. This makes them particularly well suited to studying the […]


Continue.. Constraining Baryon Fractions in Galaxy Groups and Clusters with the First CHIME/FRB Outrigger

Carnegie Supernova Project: Fast-Declining Type Ia Supernovae as Cosmological Distance Indicators

Kavli Affiliate: Wendy L. Freedman | First 5 Authors: M. M. Phillips, M. M. Phillips, , , | Summary: In this paper, the suitability of fast-declining Type Ia supernovae (SNe Ia) as cosmological standard candles is examined utilizing a Hubble Flow sample of 43 of these objects observed by the Carnegie Supernova Project (CSP). We […]


Continue.. Carnegie Supernova Project: Fast-Declining Type Ia Supernovae as Cosmological Distance Indicators

What’s the Buzz About GX 13+1? Constraining Coronal Geometry with QUEEN-BEE: A Bayesian Nested Sampling Framework for X-ray Polarization Rotation Analysis

Kavli Affiliate: Herman L. Marshall | First 5 Authors: Swati Ravi, Swati Ravi, , , | Summary: Observations from the Imaging X-ray Polarimetry Explorer (IXPE) have revealed electric vector position angle (EVPA) rotation in several neutron star low-mass X-ray binaries, including the galactic X-ray burster GX 13+1. We developed a novel Bayesian nested sampling framework-"Q-U […]


Continue.. What’s the Buzz About GX 13+1? Constraining Coronal Geometry with QUEEN-BEE: A Bayesian Nested Sampling Framework for X-ray Polarization Rotation Analysis

GA-NIFS: an extended [OIII] halo around the sub-Eddington quasar J1342+0928 at z=7.54

Kavli Affiliate: Roberto Maiolino | First 5 Authors: Bartolomeo Trefoloni, Bartolomeo Trefoloni, , , | Summary: The James Webb Space Telescope (textitJWST) opened a new observational window on the primordial Universe. Here we present new JWST NIRSpec integral field spectroscopy (IFS) observations of the $z=7.54$ quasar ULAS J1342+0928 obtained as part of the Galaxy Assembly […]


Continue.. GA-NIFS: an extended [OIII] halo around the sub-Eddington quasar J1342+0928 at z=7.54

Motor cortex flexibly deploys a high-dimensional repertoire of subskills

Kavli Affiliate: Michael Shadlen and Mark Churchland | Authors: Elom A Amematsro, Eric M Trautmann, Najja J Marshall, LF Abbott, Michael N Shadlen, Daniel M Wolpert and Mark M Churchland | Summary: control strategies and underlying computations. How the motor system achieves such versatility remains unclear. Using high-density Neuropixels recordings from primary motor cortex (M1) […]


Continue.. Motor cortex flexibly deploys a high-dimensional repertoire of subskills