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【A股收评】三大指数震荡上扬,煤炭、锂电齐上涨!
Sou Hu Cai Jing· 2025-10-23 07:49
Market Overview - On October 23, major indices experienced fluctuations, with the Shanghai Composite Index rising by 0.22%, the Shenzhen Component Index also up by 0.22%, and the ChiNext Index increasing by 0.09%. The Sci-Tech Innovation 50 Index fell by 0.3%. Over 2900 stocks in the two markets rose, with a total trading volume of approximately 1.64 trillion yuan [2]. State-Owned Enterprise Reform - The concept of state-owned enterprise reform gained strength, with notable stock increases: JianKaoYuan (300675.SZ) surged by 20%, while TeFa Information (000070.SZ), TeLi A (000025.SZ), ShenSaiGe (000058.SZ), ShenFangZhi A (000045.SZ), and Shenzhen Energy (000027.SZ) rose by 10% [2]. Coal Sector Performance - The coal sector also showed strong performance, with DaYou Energy (600403.SH), YunMei Energy (600792.SH), and Shanxi Black Cat (601015.SH) each rising by 10%. ZhongMei Energy (601898.SH) and YanKuan Energy (600188.SH) also saw increases [3]. Lithium Battery Sector Activity - The lithium battery sector was active, with ShengXin Lithium Energy (002240.SZ) increasing by 10%, and RongJie Shares (002192.SZ) rising by 7.52%. Other companies like Tibet Mining (000762.SZ) and GanFeng Lithium (002460.SZ) experienced significant gains. The main contract for lithium carbonate futures rose by over 4%, with expectations of increased production in October due to new production lines coming online [4]. Quantum Technology Sector - The quantum technology sector performed well, with KeDa GuoChuang (300520.SZ) rising by 20%. Other companies such as DiPu Technology (300768.SZ), DaHua Intelligent (002512.SZ), ShenZhou Information (000555.SZ), and GuoDun Quantum (688027.SH) also saw substantial increases. This surge was driven by Google's announcement of a breakthrough in quantum algorithms, achieving a speed 13,000 times faster than the best supercomputers [4]. Declining Sectors - The oil and gas, as well as engineering machinery sectors, showed weakness, with companies like JianShe Machinery (600984.SH), LiuGong (000528.SZ), HengLi Hydraulic (601100.SH), and Sany Heavy Industry (600031.SH) experiencing declines. The pharmaceutical and semiconductor sectors also weakened, with Canxin Shares (688691.SH) dropping over 11%, alongside RongChang Bio (688331.SH) and Maiwei Bio (688062.SH) [5].
关于量子计算,我们仍不知道它到底能做什么
Hu Xiu· 2025-05-06 01:13
当前,量子计算领域蓬勃发展,却仍面临"它到底有什么用"的本质问题。在本文作者来看,在这样的环境下,正是大力推动量子算法的时刻,应降低对量子 算法原有要求,寻找可验证且实用的算法,呼吁理论家积极探索,推动量子计算突破瓶颈。值得一提的是,本文得到了理论物理学家John Preskill的推 荐:"如果你对量子计算感兴趣,我强烈推荐加州理工学院学生robbieking1000的这篇文章,呼吁采取'更务实(scrappier)的方法'来寻找新的应用。" 本文来自微信公众号:返朴 (ID:fanpu2019),作者:robbieking1000,翻译:一二三,题图来自:AI生成 量子计算正处在一个奇特的阶段。技术层面上,经过数十亿美元投资和数十年的研究,实用的量子计算机正逐步接近实现。但令人尴尬的是,如今人们对量 子计算最常提出的问题,仍然和20年前一样:量子计算机到底能做什么?诚实的回答暴露了房间里的大象:我们至今也没有完全的答案。对于像我这样的理 论家来说,这既是一种挑战,也是一种行动的召唤。 技术动能 假设几十年后我们仍未拥有实用的量子计算机,原因会是什么?不太可能是因为遇到了无法逾越的工程障碍。量子纠错的理论基 ...
2025年量子计算应用能力指标与测评研究报告
Sou Hu Cai Jing· 2025-04-27 08:02
今天分享的是:2025年量子计算应用能力指标与测评研究报告 报告共计:47页 《量子计算应用能力指标与测评研究报告》由量子信息网络产业联盟发布,旨在构建量子计算应用能力评测框架,推动量子计 算应用发展。 1. 研究背景:量子计算基于量子力学,具有强大并行计算能力,但当前处于含噪中等规模(NISQ)阶段。产业面临量子计算能 否解决行业问题、超越经典计算性能等诸多疑问,且缺乏能准确评估量子计算整体性能的工具与方法,因此构建评测框架十分 必要。 2. 行业场景与需求:移动网络和金融行业作为高算力需求行业,面临诸多计算难题。移动网络在信号处理、网络优化、人工智 能和数据处理方面挑战巨大,如512×8维度MIMO矩阵计算、500小区联合覆盖优化等问题;金融行业在投资组合优化、风险管 理等方面需求迫切 ,如投资组合优化需处理海量数据以寻找最佳资产配置方案。两个行业对算力需求各异,且在部署方面对量 子计算机的环境、接口等有特定要求。 3. 量子计算应用能力体系框架:应用能力关键指标涵盖计算需求和应用能力指标。计算需求包括计算时长、精度、规模和效能 等;应用能力指标涉及硬件性能、算法性能、增强性能、扩展能力和部署能力等。同时 ...