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Abstract: We prove new lower bounds on the sizes of proofs in the Cutting Plane proof system, using a concept that we call unsatisfiability certificate. This approach is, essentially, equivalent to ...

The structural transformation of the Chinese automotive market continues to deepen in 2025. The latest data from the Passenger Car Association shows that in August, the national retail penetration ...

The structural transformation of the Chinese automotive market continues to deepen in 2025. According to the latest data from the Passenger Car Association, the national retail penetration rate of new ...