Probing Abundance Variations among Multiple Stellar Populations in the Metal-Poor Globular Cluster NGC 2298 using Gemini-South/GHOST

Posted by klaurent MIT

Kavli Affiliate: Anna Frebel | Summary:Studying the abundances in metal-poor globular clusters is crucial for understanding the formation of the Galaxy and the nucleosynthesis processes in the early Universe. We observed 13 red giant stars from the metal-poor globular cluster NGC 2298 using the newly commissioned GHOST spectrograph at Gemini South. We derived stellar parameters […]


Continue.. Probing Abundance Variations among Multiple Stellar Populations in the Metal-Poor Globular Cluster NGC 2298 using Gemini-South/GHOST

The Relative Contributions of Accretion Disk versus Jet to the Optical and Mid-infrared Variability of Seyfert Galaxies

Posted by klaurent Peking

Kavli Affiliate: Luis C. Ho | First 5 Authors: Vineet Ojha, Vineet Ojha, , , | Summary: We performed a comprehensive analysis of flux and color variability in a redshift-matched sample of Seyfert galaxies, comprising 23 gamma-ray-detected narrow-line Seyfert 1 galaxies (gNLS1s), 190 non-gamma-ray-detected narrow-line Seyfert 1 galaxies (ngNLS1s), and 10 gamma-ray-detected broad-line Seyfert 1 […]


Continue.. The Relative Contributions of Accretion Disk versus Jet to the Optical and Mid-infrared Variability of Seyfert Galaxies

SHELLQs-JWST Unveils the Host Galaxies of 12 Quasars at z>6

Posted by klaurent Tokyo

Kavli Affiliate: John Silverman | Summary:The advent of JWST has opened new horizons in the study of quasar host galaxies during the reionization epoch (z>6). Building upon our previous initial measurements of stellar light from two quasar host galaxies at these redshifts, we now report the detection of the stellar light from the full Cycle […]


Continue.. SHELLQs-JWST Unveils the Host Galaxies of 12 Quasars at z>6

The eROSITA Final Equatorial Depth Survey (eFEDS): SDSS spectroscopic observations of X-ray sources

Posted by dbos Peking

Kavli Affiliate: Claudio Ricci | First 5 Authors: Catarina Aydar, Andrea Merloni, Tom Dwelly, Johan Comparat, Mara Salvato | Summary: We present one of the largest uniform optical spectroscopic surveys of X-ray selected sources to date that were observed as a pilot study for the Black Hole Mapper (BHM) survey. The BHM program of the […]


Continue.. The eROSITA Final Equatorial Depth Survey (eFEDS): SDSS spectroscopic observations of X-ray sources

RoboOS: A Hierarchical Embodied Framework for Cross-Embodiment and Multi-Agent Collaboration

Posted by dbos UCAS

Kavli Affiliate: Cheng Peng | First 5 Authors: Huajie Tan, Xiaoshuai Hao, Cheng Chi, Minglan Lin, Yaoxu Lyu | Summary: The dawn of embodied intelligence has ushered in an unprecedented imperative for resilient, cognition-enabled multi-agent collaboration across next-generation ecosystems, revolutionizing paradigms in autonomous manufacturing, adaptive service robotics, and cyber-physical production architectures. However, current robotic systems […]


Continue.. RoboOS: A Hierarchical Embodied Framework for Cross-Embodiment and Multi-Agent Collaboration

Meta-Learning the Optimal Mixture of Strategies for Online Portfolio Selection

Posted by dbos Tokyo

Kavli Affiliate: Jia Liu | First 5 Authors: Jiayu Shen, Jia Liu, Zhiping Chen, , | Summary: This paper presents an innovative online portfolio selection model, situated within a meta-learning framework, that leverages a mixture policies strategy. The core idea is to simulate a fund that employs multiple fund managers, each skilled in handling different […]


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Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbbR^d: dge 5$

Posted by klaurent UCAS

Kavli Affiliate: Yi Zhou | First 5 Authors: Ning-An Lai, Ning-An Lai, , , | Summary: In this paper, we are devoted to studying the global regularity for the skew mean curvature flow with small initial data in $mathbbR^d, (dge 5)$. By using a new div-curl lemma which was first introduced by the third author […]


Continue.. Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbbR^d: dge 5$

Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbb{R}^d: dgeq 4$

Posted by dbos UCAS

Kavli Affiliate: Yi Zhou | First 5 Authors: Ning-An Lai, Jie Shao, Yi Zhou, , | Summary: In this paper, we are devoted to studying the global regularity for the skew mean curvature flow with small initial data in $mathbb{R}^d, (dgeq 4)$. By using a new div-curl lemma which was first introduced by the third […]


Continue.. Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbb{R}^d: dgeq 4$

Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbb{R}^d: dgeq 4$

Posted by dbos UCAS

Kavli Affiliate: Yi Zhou | First 5 Authors: Ning-An Lai, Jie Shao, Yi Zhou, , | Summary: In this paper, we are devoted to studying the global regularity for the skew mean curvature flow with small initial data in $mathbb{R}^d, (dgeq 4)$. By using a new div-curl lemma which was first introduced by the third […]


Continue.. Global well-posedness in the critical Besov space of the skew mean curvature flow in $mathbb{R}^d: dgeq 4$