Core Viewpoint - The discussion around vehicle safety and braking performance highlights the limitations of instantaneous stopping in high-speed scenarios, emphasizing the importance of vehicle control and braking physics [1][2][4]. Group 1: Vehicle Safety and Braking Performance - Chery's executive vice president, Li Xueyong, stated that a vehicle cannot stop instantly at high speeds due to physical principles, particularly when traveling at 120 km/h, where emergency braking can only reduce speed to approximately 80 km/h [1]. - Li emphasized that in emergency situations, vehicle handling, steering, and power are critical for safety, indicating that effective control and gradual deceleration are essential [2]. - The braking process follows Newton's laws and energy conservation principles, where the braking force must overcome the vehicle's kinetic energy, and the maximum deceleration is limited by tire grip, typically between 0.9g and 1.2g [4].

Core Viewpoint - The article discusses the resolution of Hilbert's sixth problem, a significant mathematical challenge posed by David Hilbert in 1900, which has been solved by a team of Chinese researchers after 125 years [1][11]. Group 1: Authors and Their Backgrounds - The research was conducted by three authors: Deng Yu, a professor at the University of Chicago; Zaher Hani, an assistant professor at the University of Michigan; and Ma Xiao, also an assistant professor at the University of Michigan [2][27]. - Deng Yu graduated from Peking University and MIT, and completed his PhD at Princeton [28]. - Zaher Hani completed his undergraduate studies at the American University of Beirut and his master's and PhD at UCLA, studying under renowned mathematician Terence Tao [31][34]. - Ma Xiao graduated from the Young Scholars Program at the University of Science and Technology of China and completed his PhD at Princeton in 2023 [35]. Group 2: Significance of the Research - The resolution of Hilbert's sixth problem is not only a theoretical milestone but also provides new mathematical tools for the study of fluid mechanics [5][6]. - The achievement has been celebrated within the mathematical community, with some referring to it as a "miracle year for Chinese mathematics" [6][8]. Group 3: Methodology and Findings - The authors approached the problem by deriving fluid dynamics equations from microscopic Newtonian mechanics using Boltzmann kinetic theory [4][25]. - They introduced a cumulative quantity analysis method to track the complete history of particle collisions, leading to the proof of the long-term validity of the Boltzmann equation [18][20]. - The research culminated in the derivation of the Euler equations for compressible fluids and the Navier-Stokes-Fourier equations under incompressible conditions [21][25].