Japanese mathematician Masaki Kashiwara wins Abel Prize for contributions to algebraic analysis and representation theory at ...

The story begins with the black hole information paradox. According to relativity, anything that falls into a black hole is ...

Please note: If you switch to a different device, you may be asked to login again with only your ACS ID. Please note: If you switch to a different device, you may be ...

According to Radar Finance, the Tianyancha App shows that recently, the patent for the "Method, Device, Computer Equipment, ...

In the context of intensifying competition in the global automotive industry, Chongqing Changan Automobile Co., Ltd. has once again drawn attention. Recently, the company announced a patent concerning ...

The final, formatted version of the article will be published soon. The Q-matrix serves as a bridge that links items and attributes, and its accuracy affects the results of cognitive diagnosis.