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A new generation of quantum chips has achieved a breakthrough in error correction capability. According to a paper published in Nature magazine on the 10th, Google's latest generation of quantum chips has achieved a breakthrough in error correction capability, that is, the error is suppressed below a critical threshold. This quantum error correction function is considered as a necessary condition to realize the practical application of quantum computing in the future. After the performance of the chip is expanded, it may be able to promote the operation requirements of large-scale fault-tolerant quantum computing.AI can solve partial differential equations thousands of times faster than before, and partial differential equations play an important role in engineering and science. In a recent study, scientists from Johns Hopkins University in the United States have developed a new artificial intelligence (AI) model called "Differential Mapping Operator Learning" (DIMON), which can solve complex partial differential equations on personal computers, thousands of times faster than before, and is expected to "show its talents" in the fields of aerospace, automobiles and medicine. Related papers were published in the journal Nature Computational Science published on the 9th.Galaxy Securities: Pay attention to investment opportunities in the fields of cement, consumer building materials, glass fiber, etc. The Galaxy Securities Research Report pointed out that 1) Cement: the price continues to push up, and the northern region has entered the winter peak-shifting stage. In November, the weather gradually turned cold, and the downstream market demand dropped slightly. Most provinces in the north have entered the stage of winter peak-shifting and kiln-stopping, and the kiln-stopping rate is above 80%. Under the background of improving supply and demand in the industry, cement enterprises continue to push up cement prices. 2) Consumer building materials: The retail end continued to improve month on month. In October, the retail sales of building and decoration materials decreased by 5.8% year-on-year and increased by 4.9% quarter-on-quarter. Recently, with the stabilization of commercial housing sales, the demand for consumer building materials has improved. 3) Glass fiber: the price of roving rose slightly at the end of the month, and the price of electronic yarn was temporarily stable. In November, the demand for wind power yarn and thermoplastic yarn was stable, but the demand for traditional building materials was still under pressure, which led to the general demand for roving. There are resumption of production and new ignition production lines within the month, and the annual production capacity has increased; Near the end of the month, glass fiber enterprises issued a notice of re-pricing roving and products. It will take some time for the new price to land, but it will have a certain driving effect on demand and price in the short term. 4) Float glass: at the end of the year, work will continue to support the market demand and the inventory of enterprises will be improved. In November, work was rushed to support the demand of float glass terminal, but the middle and lower reaches mainly digested the previous inventory, and the purchasing enthusiasm declined. In the context of the contradiction between supply and demand in the industry, the production capacity has been significantly reduced, and the inventory pressure of float glass enterprises has improved. Suggested attention: Beixin Building Materials, CONCH, China Jushi, etc.

Hyundai Motor: Parker will continue to be the CEO of Hyundai Motor's North American business.AI can solve partial differential equations thousands of times faster than before, and partial differential equations play an important role in engineering and science. In a recent study, scientists from Johns Hopkins University in the United States have developed a new artificial intelligence (AI) model called "Differential Mapping Operator Learning" (DIMON), which can solve complex partial differential equations on personal computers, thousands of times faster than before, and is expected to "show its talents" in the fields of aerospace, automobiles and medicine. Related papers were published in the journal Nature Computational Science published on the 9th.Citic Jiantou: The demand for promoting the release of opinions on the pipeline network and water renovation in resilient cities is expected to increase. According to the research report of CITIC Jiantou, recently, the general offices of the General Office of the Central Committee of the CPC and the State Council issued the Opinions on Promoting the Construction of New Urban Infrastructure to Create a Resilient City, which clearly stated that it is necessary to build an intelligent and efficient new urban infrastructure system and continuously improve the resilience of urban facilities, management and space. Specifically, the Opinions propose that by 2027, the construction of new urban infrastructure will make significant progress, and the supporting role for the construction of resilient cities will be continuously enhanced, forming a number of experiences and practices that can be replicated and promoted. In addition, the Opinions also proposes the implementation of intelligent municipal infrastructure construction and transformation, and the digital transformation and upgrading and intelligent management of urban water supply, drainage, power supply, gas, heat, fire hydrants (fire cranes), underground utility tunnel and other municipal infrastructure according to local conditions. We believe that in the process of building a resilient city, the demand for urban infrastructure renewal and construction is expected to continue to grow, and related water and sanitation equipment enterprises are expected to benefit.

Trump appointed TOM BARRACK as the US ambassador to Turkey.NVIDIA's market value evaporated by 660 billion yuan overnight. On December 10th, local time, the three major US stock indexes collectively closed down, with the Dow down 0.35%, the Nasdaq down 0.25% and the S&P 500 index down 0.30%. Among them, NVIDIA fell by 2.69%, and its market value evaporated by 91.593 billion US dollars (about 664.047 billion yuan) overnight.Argentine President Millai: Argentina will abolish capital controls next year.