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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. (Science and Technology Daily)On December 11th, Bitcoin fell below $95,000, down 0.68% in the day.Ferrari CEO: It is expected that the company will not face specific challenges under the Trump administration, and the impact of potential tariffs in the United States will be small. If Trump imposes tariffs on European goods, we will consider dealing with it. (Asked if we would consider making cars in America) We will make cars in Maranello.

The United States has approved the sale of arms facilities worth nearly 600 million US dollars to Kuwait and Ukraine. The US Department of Defense said in a statement that the State Council has approved the sale of vehicle maintenance equipment with an estimated value of 300 million US dollars to Kuwait. On the same day, it also approved the sale of F-16 fighter maintenance services and related equipment to the Ukrainian government at a cost of US$ 266.4 million.South Korea's unemployment rate in November was 2.7%, expected to be 2.7%, and the previous value was 2.70%.Ferrari CEO: Some parts of electric vehicles will be produced within the company, and other parts will be produced through strategic partners.

Japanese Reuters's short-term non-manufacturing boom judgment index in December is 30, with the previous value of 19; Reuters's short-term judgment index of manufacturing prosperity in December was -1, with the previous value of 5.The "Debt Bull" was launched, and a number of treasury bonds futures reached new highs. According to the analysis, the downward trend of broad-spectrum interest rates is expected to continue to support the bull market in the bond market. On December 10, 30-year, 10-year, 5-year and 2-year treasury bonds futures all hit record highs. Looking at it for a long time, since the beginning of this year, 30-year treasury bond futures have risen by nearly 16%, 10-year treasury bond futures have risen by over 5%, and 5-year treasury bond futures have risen by over 3%. Analysts pointed out that the logic of broad-spectrum interest rate downward has run through the whole year of 2024, and it is expected to continue to form an important support for the bond market in the long run. The recent market strength is not only an emotional effect at the end of the year and the beginning of the year, but also a blocking point to dredge and guide the overall downward trend of interest rates. Shen Wanhongyuan believes that in the short term, profit-taking behavior may increase after the low interest rate, but this is not the core factor that dominates the market. Shen Wanhongyuan said that the rate cut of policy interest rate in 2025 may not be less than 30 basis points. After the deployment of relevant important meetings at the end of the year, specific policies may be gradually implemented in the first quarter of next year. According to Huaxi Securities, looking forward to 2025, the rate of single RRR cut and interest rate cut of monetary policy may not be less than 50 basis points and 20 basis points (the rate in 2024). (Securities Times)EIA: The net import of crude oil in the United States will drop by 20% in 2025. The us energy information administration (EIA) said on Tuesday that it is expected that the net import of crude oil in the United States will drop by 20% to 1.9 million barrels per day next year, which will be the lowest level since 1971, suggesting that the output of the United States will increase and the demand of refineries will decrease. EIA said in its Short-term Energy Outlook in December that the US oil production is expected to increase from 13.24 million barrels per day in 2024 to 13.52 million barrels per day in 2025. EIA also said that the crude oil processing capacity of refineries will be 16 million barrels per day in 2025, a decrease of 200,000 barrels per day compared with 2024. EIA now predicts that the average spot price of Brent crude oil in 2025 will be $73.58 per barrel, which is lower than the previous forecast of $76.06 per barrel. The average spot price of crude oil in the United States is $69.12 per barrel, which is lower than the last forecast of $71.60 per barrel.