Webb telescope peels back the mystery of a stunning nebula

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Is Amazons

Иран вернул в строй угрожающий кораблям США российский «Палтус»Иран вернул в строй построенную в России подлодку проекта 877ЭКМ «Палтус»,详情可参考快连下载-Letsvpn下载

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全国人民代表大会常务委员会公告

最高级的套利,是让算力设施不再是电网的被动消耗者,而是主动的调节者。青海、内蒙古等地正在探索“源网荷储一体化”,通过智能调度系统,让数据中心的算力负载动态匹配光伏、风电的出力曲线,实现绿电的最大化就地消纳。

Abstract:Humans shift between different personas depending on social context. Large Language Models (LLMs) demonstrate a similar flexibility in adopting different personas and behaviors. Existing approaches, however, typically adapt such behavior through external knowledge such as prompting, retrieval-augmented generation (RAG), or fine-tuning. We ask: do LLMs really need external context or parameters to adapt to different behaviors, or do they already have such knowledge embedded in their parameters? In this work, we show that LLMs already contain persona-specialized subnetworks in their parameter space. Using small calibration datasets, we identify distinct activation signatures associated with different personas. Guided by these statistics, we develop a masking strategy that isolates lightweight persona subnetworks. Building on the findings, we further discuss: how can we discover opposing subnetwork from the model that lead to binary-opposing personas, such as introvert-extrovert? To further enhance separation in binary opposition scenarios, we introduce a contrastive pruning strategy that identifies parameters responsible for the statistical divergence between opposing personas. Our method is entirely training-free and relies solely on the language model's existing parameter space. Across diverse evaluation settings, the resulting subnetworks exhibit significantly stronger persona alignment than baselines that require external knowledge while being more efficient. Our findings suggest that diverse human-like behaviors are not merely induced in LLMs, but are already embedded in their parameter space, pointing toward a new perspective on controllable and interpretable personalization in large language models.,更多细节参见体育直播