ETTRL: Balancing Exploration and Exploitation in LLM Test-Time Reinforcement Learning Via Entropy Mechanism

Posted by klaurent Tokyo

Kavli Affiliate: Jia Liu | First 5 Authors: Jia Liu, Jia Liu, , , | Summary: Recent advancements in Large Language Models have yielded significant improvements in complex reasoning tasks such as mathematics and programming. However, these models remain heavily dependent on annotated data and exhibit limited adaptability in unsupervised scenarios. To address these limitations, […]


Continue.. ETTRL: Balancing Exploration and Exploitation in LLM Test-Time Reinforcement Learning Via Entropy Mechanism

Discovery of H$α$ Emission from a Protoplanet Candidate Around the Young Star 2MASS J16120668-3010270 with MagAO-X

Posted by klaurent Peking

Kavli Affiliate: Gregory J. Herczeg | First 5 Authors: Jialin Li, Jialin Li, , , | Summary: 2MASS J16120668-3010270 (hereafter 2MJ1612) is a young M0 star that hosts a protoplanetary disk in the Upper Scorpious star-forming region. Recent ALMA observations of 2MJ1612 show a mildly inclined disk ($i$=37$^circ$) with a large dust-depleted gap (R$_textcavapprox$0.4" or […]


Continue.. Discovery of H$α$ Emission from a Protoplanet Candidate Around the Young Star 2MASS J16120668-3010270 with MagAO-X

Discovery of H$α$ Emission from a Protoplanet Candidate Around the Young Star 2MASS J16120668-3010270 with MagAO-X

Posted by klaurent Peking

Kavli Affiliate: Gregory J. Herczeg | First 5 Authors: Jialin Li, Jialin Li, , , | Summary: 2MASS J16120668-3010270 (hereafter 2MJ1612) is a young M0 star that hosts a protoplanetary disk in the Upper Scorpious star-forming region. Recent ALMA observations of 2MJ1612 show a mildly inclined disk ($i$=37$^circ$) with a large dust-depleted gap (R$_textcavapprox$0.4" or […]


Continue.. Discovery of H$α$ Emission from a Protoplanet Candidate Around the Young Star 2MASS J16120668-3010270 with MagAO-X

Electron Ptychography Images Hydrogen Atom Superlattices and 3D Inhomogeneities in Palladium Hydride Nanoparticles

Posted by klaurent Cornell

Kavli Affiliate: Hector D. Abruna | Summary:When hydrogen atoms occupy interstitial sites in metal lattices, they form metal hydrides (MHx), whose structural and electronic properties can differ significantly from the host metals. Owing to the small size of hydrogen atom and its unique interactions with the host metal, MHx is of broad interest in both […]


Continue.. Electron Ptychography Images Hydrogen Atom Superlattices and 3D Inhomogeneities in Palladium Hydride Nanoparticles

AI Agentic Programming: A Survey of Techniques, Challenges, and Opportunities

Posted by klaurent Peking

Kavli Affiliate: Huawei Zhang | Summary:AI agentic programming is an emerging paradigm where large language model (LLM)-based coding agents autonomously plan, execute, and interact with tools such as compilers, debuggers, and version control systems. Unlike conventional code generation, these agents decompose goals, coordinate multi-step processes, and adapt based on feedback, reshaping software development practices. This […]


Continue.. AI Agentic Programming: A Survey of Techniques, Challenges, and Opportunities

Developments on LLNL’s high contrast testbed and Lick/ShaneAO

Posted by klaurent Stanford

Kavli Affiliate: Bruce Macintosh | Summary:LLNL has recently setup a High Contrast Testbed (HCT) for AO and exoplanet imaging technology development. We present the various HCT technologies currently under development, including (1) a Wynne corrector, (2) multi-wavefront sensor (WFS) single conjugate AO (SCAO) control. We present HCT testing results of a first Wynne corrector prototype […]


Continue.. Developments on LLNL’s high contrast testbed and Lick/ShaneAO

First Light from Beam Neutrinos on an LAPPD in ANNIE

Posted by klaurent Caltech

Kavli Affiliate: N. C. Yeh| First 5 Authors: [#item_custom_name[1, [#item_custom_name[2, [#item_custom_name[3, [#item_custom_name[4, [#item_custom_name[5| Summary:The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is both a physics experiment and a technology testbed for next-generation light-based neutrino detection. In this paper, we report the first demonstration of a fully integrated Large Area Picosecond Photodetector (LAPPD) operating in a running […]


Continue.. First Light from Beam Neutrinos on an LAPPD in ANNIE

Autism-associated Scn2a haploinsufficiency disrupts in vivo dendritic signaling and impairs flexible decision-making

Posted by dbos UCSF

Kavli Affiliate: Kevin Bender | Authors: Hao Wu, Luqun Shen, Jonathan Indajang, Neil K Savalia, Timothy G Johnson, Jiayin Qu, Kevin J Bender and Alex C Kwan | Summary: SCN2A is a high-confidence risk gene for autism spectrum disorder. Loss-of-function mutations in Scn2a reduce dendritic excitability in neocortical pyramidal cells. However, the impact of Scn2a […]


Continue.. Autism-associated Scn2a haploinsufficiency disrupts in vivo dendritic signaling and impairs flexible decision-making

Three dimensional magnetic reconnection mediated with plasmoids and the resulted multi-thermal emissions in the cool atmosphere of the Sun

Posted by klaurent Stanford

Kavli Affiliate: Robert Cameron | Summary:Flux emergence is ubiquitous in the Sun’s lower atmosphere, where the emerging magnetic flux can reconnect with the pre-existing magnetic field. We investigate plasmoid formation and the resulting multi-thermal emissions during three-dimensional magnetic reconnection in the lower solar atmosphere. We performed 3D radiation magnetohydrodynamic simulations using the MURaM code, which […]


Continue.. Three dimensional magnetic reconnection mediated with plasmoids and the resulted multi-thermal emissions in the cool atmosphere of the Sun

Not-so-heavy metal(s): Chemical Abundances in the Ultra-faint Dwarf Galaxies Eridanus IV and Centaurus I

Posted by klaurent Chicago

Kavli Affiliate: Alexander P. Ji | First 5 Authors: Mairéad E Heiger, Mairéad E Heiger, , , | Summary: We present detailed chemical abundances of the brightest star in each of the ultra-faint dwarf galaxies Eridanus IV and Centaurus I using high-resolution Magellan/MIKE spectroscopy. The brightest star in Centaurus I, CenI-5136, is a very metal-poor […]


Continue.. Not-so-heavy metal(s): Chemical Abundances in the Ultra-faint Dwarf Galaxies Eridanus IV and Centaurus I