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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)The turnover of A-shares has exceeded one trillion yuan for 50 consecutive trading days. On December 10th, the A-share market opened higher and went lower. At the close, the Shanghai Composite Index, Shenzhen Component Index and Growth Enterprise Market Index all rose less than 1%. More than 2,800 stocks in the entire A-share market rose, with more than 110 stocks trading daily, and PEEK materials, dairy industry and humanoid robots broke out. The market turnover was 2.23 trillion yuan, which has exceeded 1 trillion yuan for 50 consecutive trading days, setting a new record for the A-share market. Analysts believe that ample liquidity and optimistic policy expectations are expected to support the stock market in the New Year. The policy expectation of "stabilizing the property market and stock market" will help boost investor confidence and protect the long-term healthy development of the A-share market. (CSI)According to medical personnel, at least seven Palestinians were killed and many others were injured in the Nu Sillat refugee camp in central Gaza as a result of Israeli air strikes.

Since the beginning of this year, six small and medium-sized banks have "refused to redeem" tier-2 capital bonds. On December 9, Yingkou Bank Co., Ltd. announced that when the 10-year tier-2 capital bonds issued by the bank in 2019 had expired, the bank chose not to redeem the bonds. In fact, a number of commercial banks have announced this year that they will not exercise the right to redeem secondary capital bonds, mainly small and medium-sized banks. The insiders believe that there are two main reasons why banks choose not to redeem secondary capital bonds. First, it is difficult for banks to refinance and issue capital replenishment tools due to factors such as high cost of new bonds and declining profitability. Second, the bank's capital adequacy ratio has been at a low level, and some banks' capital adequacy ratio has been lower than the regulatory requirements before redemption, and the capital level may further decline after exercising the redemption right. (Securities Daily)The U.S. military said that two U.S. navy destroyers successfully intercepted weapons fired by Houthi forces during their voyage in the Gulf of Aden.CF40 Research: Three Channels to Expand Domestic Demand. An article published by Guan Wei of China Financial Forty Forum (CF40) pointed out that the expansion of total demand, whether it is to expand consumption or investment demand, should be implemented on credit growth. When credit goes up, residents, enterprises and governments have more money in their pockets, so do expenditures and incomes, as well as profits and investments. At present, there are three main ways to expand credit: first, fiscal policy is exerted and the government borrows money; Second, the monetary policy will exert its strength and reduce the policy interest rate; The third is to stabilize the real estate market, and there can be no further sharp decline. In terms of finance, maintain the intensity of fiscal expenditure in a broad sense, and moderately increase the fiscal deficit to 4% in 2025. In terms of monetary policy, we should take reducing the real interest rate as an important goal, continue to implement "strong interest rate reduction", and timely reduce the interest rate of structural monetary policy tools below the policy interest rate level. In terms of the property market, it will ease the current cash flow pressure faced by real estate enterprises and promote the real estate to stop falling and stabilize from both ends of supply and demand.

The Huangmaohai Cross-sea Passage was opened to traffic today. At 15: 00 on December 11th, Guangdong-Hong Kong-Macao Greater Bay Area's key traffic project, the Huangmaohai Cross-sea Passage, will be put into trial operation, adding another "key level" to Guangdong-Hong Kong-Macao Greater Bay Area's cross-river traffic network. After opening to traffic, the land transit time from Zhuhai to Jiangmen will be shortened from more than one hour to about 30 minutes.Ferrari CEO: Some parts of electric vehicles will be produced within the company, and other parts will be produced through strategic partners.Since the beginning of this year, six small and medium-sized banks have "refused to redeem" tier-2 capital bonds. On December 9, Yingkou Bank Co., Ltd. announced that when the 10-year tier-2 capital bonds issued by the bank in 2019 had expired, the bank chose not to redeem the bonds. In fact, a number of commercial banks have announced this year that they will not exercise the right to redeem secondary capital bonds, mainly small and medium-sized banks. The insiders believe that there are two main reasons why banks choose not to redeem secondary capital bonds. First, it is difficult for banks to refinance and issue capital replenishment tools due to factors such as high cost of new bonds and declining profitability. Second, the bank's capital adequacy ratio has been at a low level, and some banks' capital adequacy ratio has been lower than the regulatory requirements before redemption, and the capital level may further decline after exercising the redemption right. (Securities Daily)