组合策略
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为什么给机器人装上昂贵的触觉传感器,反而让它变笨了?
具身智能之心· 2025-12-04 00:04
编辑丨机器之心 点击下方 卡片 ,关注" 具身智能之心 "公众号 >> 点击进入→ 具身 智能之心 技术交流群 更多干货,欢迎加入国内首个具身智能全栈学习社区: 具身智能之心知识星球(戳我) ,这里包含所有你想要的! 这项工作由伊利诺伊大学香槟分校 (UIUC)、哈佛大学、哥伦比亚大学和麻省理工学院 (MIT) 的合作完成 。 论文标题: Multi-Modal Manipulation via Policy Consensus 论文链接: https://arxiv.org/pdf/2509.23468 主页链接: https://policyconsensus.github.io/ 为什么特征拼接 (Feature Concatenation)会在机器人感知和决策中失效? 想象一下,你在黑漆漆的背包里找钥匙。你的眼睛此时毫无用处,全靠指尖的触觉,这对你来说轻而易举 ,但在机器人领域,这却是一个非常困难的问题。 残酷的真相: 目前的机器人学习主流的多传感器融合的算法(Feature Concatenation)在处理这种任务时彻底失败了。我们的实验数据显示,当你给机器人加上触 觉数据试图让它更聪明时,它的抓 ...
固收深度研究:组合策略角度回撤情况如何?
SINOLINK SECURITIES· 2025-08-17 14:52
Group 1 - The report highlights a significant shift in market sentiment, with the stock market showing strength while the bond market faces pressure, leading to a rapid change in risk appetite [3][13][14] - The yield on the 10-year government bond has risen to 1.75%, while the 30-year bond approaches 2%, indicating a challenging environment for long-duration bonds [3][13] - The report notes that the recent decline in bond prices is characterized by a "local" feature, particularly affecting long-term credit bonds, while short-term credit bonds have shown relative stability [5][48] Group 2 - The report discusses the performance of various bond strategies, indicating that the 30-year government bond strategy has faced the most significant drawdown, with a loss of 192 basis points in the past week [4][21] - Credit strategies have also experienced substantial drawdowns, particularly in bank subordinated bonds and long-duration portfolios [4][21] - Short-term bond strategies have managed to retain some gains from earlier in the year, with certain portfolios even showing positive returns recently [4][21] Group 3 - The report emphasizes that the current bond market environment is marked by a lack of liquidity, particularly in long-term credit bonds, which have seen a sharp decline in trading volume [6][48] - Despite the challenges, the pricing of medium to short-duration credit bonds remains stable, with limited upward movement in yields compared to the adjustments seen at the end of July [6][17] - The report suggests that the stability of the non-bank funding side has contributed to the resilience of short-duration credit bonds [6][70] Group 4 - The report outlines short-term strategies, recommending a cautious approach due to overall low absolute returns [7][71] - It suggests focusing on price spread trading opportunities in bank subordinated bonds and emphasizes the potential for acquiring high-quality city investment bonds with AA+ ratings [7][71] - The report also notes that new credit bond pricing is susceptible to market fluctuations, indicating a need for careful monitoring of market conditions [7][71]