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arXiv 1306.6257math.AP
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紧致流形的热流

Heat flow out of a compact manifold

M. van den Berg, P. Gilkey

摘要:

讨论了紧致光滑流形在紧致黎曼流形中的热流的热含量渐近性。虽然没有边界条件,但相应的热含量渐近涉及边界上的局部化项。用经典的伪微分学证明了完全渐近级数的存在性,用不变性理论的方法确定了渐近级数的前几项。驱动热过程的算子被假定为拉普拉斯型算子。

英文摘要:

We discuss the heat content asymptotics associated with the heat flow out of a smooth compact manifold in a larger compact Riemannian manifold. Although there are no boundary conditions, the corresponding heat content asymptotics involve terms localized on the boundary. The classical pseudo-differential calculus is used to establish the existence of the complete asymptotic series and methods of invariance theory are used to determine the first few terms in the asymptotic series in terms of geometric data. The operator driving the heat process is assumed to be an operator of Laplace type.

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