Titlebook: Smooth Manifolds and Observables; Jet Nestruev Textbook 2020Latest edition Springer Nature Switzerland AG 2020 Smooth manifolds.Smooth man

勤劳

Introduction,hysics and is called the ., under which points of . are interpreted as states of the given physical system, functions on manifolds, as measuring devices, the corresponding algebra of smooth functions, as the collection of appropriate measuring devices.

折磨

user interests and predict their future behaviors by utilizing correlations in the observational historical activities, their profiles, and the content of interacted items. However, since the inherent causal reasons that lead to the observed users’ behaviors are not considered, multiple types of bia