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Ancient lake cores reveal unprecedented 2012 Rwenzori fire and ecological shift
Ancient lake cores reveal unprecedented 2012 Rwenzori fire and ecological shift Andrew Zinin Lead Editor For the past several years, Penn State geoscientist Sarah Ivory and her students have been among a team of scientists scaling the East African Rwenzori Mountains, collecting sediment core samples from lakes formed at the end of the last ice age as glaciers began receding in the region some 12,000 years ago. Among those cores was a surprising revelation: A 2012 wildfire that ravaged 16...
Satellite gravity constraints on inner core viscosity and LLVPs density anomalies
arXiv:2606.09296v1 Announce Type: new Abstract: Constraining the physical properties of Earth's deep interior, particularly the viscosity of the solid inner core and the density structure of large low-velocity provinces (LLVPs), remains a major challenge in geophysics. Here we develop a unified dynamical framework that combines mantle-inner core gravitational coupling (MICG) with torsional oscillations in the fluid outer core and show that their interaction can produce a distinct and...
China unveils first-of-its-kind 'dual-core' quantum computer — its makers say it improves stability and efficiency
China unveils first-of-its-kind 'dual-core' quantum computer — its makers say it improves stability and efficiency A new Chinese quantum computing system pairs two independent neutral-atom arrays in one processor, aiming to boost stability, efficiency and scalability. A Chinese company has unveiled what its researchers are calling the world’s first "dual-core" quantum computer. It's a neutral-atom system designed to improve stability, efficiency and error correction by pairing two...
Intel Diamond Rapids to boost core counts to 192, but RIP Hyperthreading
Intel’s upcoming Diamond Rapids Xeon will boost core counts to 192, a 50 percent increase over last generation, the x86 giant revealed at Computex in Taipei this week. But while core counts continue to rise, in doing so Intel has managed to cut thread counts by a quarter. Yep, Hyperthreading – Intel's marketing for simultaneous multithreading – is officially dead.
Efficient $(\alpha,\beta)$-core Computation and On-the-fly Query at Billion Scale with GPUs
arXiv:2606.07148v1 Announce Type: new Abstract: In bipartite graphs, $(\alpha,\beta)$-core is a widely used model for cohesive subgraph mining. Specifically, an $(\alpha,\beta)$-core is a maximal subgraph in which each vertex in the upper layer has degree at least $\alpha$, and each vertex in the lower layer has degree at least $\beta$.
MADS: Model-Aware Diverse Core Set Selection for Instruction Tuning
arXiv:2605.30857v1 Announce Type: new Abstract: Instruction fine-tuning is employed to enhance the instruction-following ability of large language models (LLMs). As the amount of instruction fine-tuning data increases, selecting the optimal core set becomes particularly important. However, ensuring the diversity of the core set remains a significant challenge.
Unitary-Invariant Decomposition of Reducible Total Least Squares Core Problems
Announce Type: replace-cross Abstract: The analysis of a total least square problem (TLS) can be reduced to that of an associated core problem, which typically has lower dimension and improved solubility properties. Nevertheless, even a core problem may remain reducible, admitting further decomposition into irreducible component subproblems with simpler structure and better analytical properties. However, no systematic and invariant procedure is available for identifying all such component...
How hot is Earth's core?
Earth has a liquid outer core and a solid inner core.
CoMoL: Efficient Mixture of LoRA Experts via Dynamic Core Space Merging
arXiv:2603.00573v2 Announce Type: replace Abstract: Large language models (LLMs) achieve remarkable performance on diverse downstream and domain-specific tasks via parameter-efficient fine-tuning (PEFT). However, existing PEFT methods, particularly MoE-LoRA architectures, suffer from limited parameter efficiency and coarse-grained adaptation due to the proliferation of LoRA experts and instance-level routing. To address these issues, we propose Core Space Mixture of LoRA (\textbf{CoMoL}), a...
China Mobile Jiangsu and ZTE unveil intelligent complaint analysis agent to reshape core network O&M
ZTE has joined forces with China Mobile Jiangsu under the guidance of China Mobile's Network Division to pioneer the implementation of core network complaint agent capabilities, marking a significant step forward in accelerating intelligent network operations and maintenance (O&M) transformation. Both parties innovatively introduce the multi-modal signaling model and agent technology to reconstruct the complaint handling process, implement automatic signaling analysis, and efficiently...