Abstract: Although the limit of a function at a point is one of the most important concepts in mathematics, to prove symbolically its formal definition is a challenging exercise that requires a ...

Department of Mathematics, Shanghai Normal University, Shanghai 200234, P. R. China ...

this paper proposes an intelligent calculation method for power limits of transmission section based on a knowledge graph. Based on the experience of dispatch operation experts and historical ...

The chatbot can now serve as a real-time interactive docent during a museum tour and an analyst when studying charts, graphs ...

Legislation aimed at reining in the practices of pharmacy benefit managers sailed through the Senate on Thursday, bringing a ...

If you’ve ever opened ChatGPT and felt baffled by the alphabet soup of model names – like GPT-4o, o3, o4-mini – you’re not ...

Unusual activity detected in your account. Immediately open this link to verify your identity.” You’re on the verge of ...

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for ...

How do we know this? New macro-empirical research finds that every dollar invested in non-defense public R&D yields ...

A new species of cable bacteria, which function like electrical wiring, was recently discovered in the US. Its unique morphology and genetic structure may be useful for the development of ...

The Boox Note Max is a 13-inch e-reader that features a crisp display, practical tools, and one of the most impressive digital pen experiences I've tested.