Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 through July 2025, when it ...

Abstract: Gaussian mixture model (GMM) filters tackle the intricacies of nonlinear and multimodal systems by representing probability distributions as a weighted sum of Gaussian components. However, ...

Abstract: Distributed computing is fundamental to multiagent systems, with solving distributed linear equations as a typical example. In this article, we study distributed solvers for network linear ...