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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)US Treasury Secretary Yellen: I also expressed my concern about fiscal responsibility. We need to cut the deficit. I hope that Congress can try to pay for any extension of Trump's personal tax cuts passed in 2017.China promised to continue to contribute to the United Nations Central Emergency Response Fund. On December 10th, local time, Geng Shuang, Deputy Permanent Representative of China to the United Nations, attended the 2025 High-level Pledging Conference of the United Nations Central Emergency Response Fund, saying that at present, geopolitical conflicts are constant, natural disasters are frequent, the global humanitarian situation has deteriorated significantly, and humanitarian needs are increasing. The important role of the Central Emergency Response Fund in providing rescue, saving lives and alleviating suffering has further increased. Geng Shuang said that China has always supported the United Nations to play a coordinating role in international humanitarian relief and the Central Emergency Response Fund to carry out its work. Since 2007, voluntary contributions have been made to the Fund every year. In 2024, donations have been completed, and contributions will continue to be made to the Fund in 2025. Geng Shuang said that China has provided long-term humanitarian assistance to countries in need through bilateral channels and in various forms, and will continue to uphold the concept of a community of human destiny, make joint efforts with the international community, and support countries and people in need to cope with the humanitarian crisis and get out of the humanitarian predicament. (CCTV)

Industry Report: API crude oil inventories in the United States increased by about 500,000 barrels last week. According to american petroleum institute (API) data, API crude oil inventories in the United States increased by+499,000 barrels in the week of December 6, compared with+1.232 million barrels in the previous week. Last week, API Cushing crude oil inventory was-1.517 million barrels, with the previous value of+112,000 barrels. Last week, the inventory of API refined oil gasoline was+2.852 million barrels (previous value+4.623 million barrels) and the inventory of distillate oil was-185,000 barrels (previous value+1.014 million barrels).The crude oil futures of the previous issue closed up 0.25% at 530.8 yuan/barrel at night. Shanghai Gold closed up 0.67% at 626.52 yuan/g, and Shanghai Bank closed up 0.15% at 7962 yuan/kg.Market information: Trump's nominee for US Treasury Secretary Bessent supports Federal Reserve Chairman Powell to complete his entire term.

Brent crude oil futures closed at $72.19 a barrel, up 0.07%.Argentine President Millai: Argentina's economy will grow in 2025 and inflation will decline.US Treasury Secretary Yellen: It is a pity that the deficit has not been reduced to a greater extent. The outgoing US Treasury Secretary Yellen said that after President-elect Trump nominated Besant as Treasury Secretary, she had a conversation with the successor. Yellen said on Tuesday (December 10) that she introduced the breadth of work and personnel strength of the department to Besant, an experienced hedge fund manager, in a phone call before Thanksgiving. In addition, Yellen also reiterated the warning of undermining the independence of the Federal Reserve and widely imposing tariffs. In addition, she also expressed regret over the financial situation. Yellen also expressed regret that she failed to make more progress in narrowing the fiscal deficit during her tenure. "I'm worried about financial sustainability, and it's a pity that we haven't made more progress," she said. "I think we need to reduce the deficit, especially now that we are in an environment of higher interest rates."