In exterior differentiation, one studies tensors, exterior algebra, tangent bundle, tangent vector fields, one-parameter groups action on a manifold, Frobenius's theorem, tensors fields, exterior differential form, integration on manifolds, Stokes's theorem etc.

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frobenius algebra：弗羅賓尼斯代數(shù)

friction 摩擦 | frobenius algebra 弗羅賓尼斯代數(shù) | frobenius automorphism 弗羅賓尼斯自同構