Discrete Heat Equation Morphisms
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概要
- 論文の詳細を見る
We study heat kernels of locally finite graphs and discrete heat equation morphisms. These are combinatorial analogs to heat equation morphisms in Riemannian geometry (cf. E. Loubeau, [10]), parallel closely the discrete harmonic morphisms due to H. Urakawa, [13], and their properties are related to the initial value problem for the discrete heat equation. In applications we consider Hamming graphs (using the discrete Fourier calculus on Z2N), establish a heat kernel comparison theorem, and study the maps of ε-nets induced by heat equation morphisms among two complete Riemannian manifolds.
- 東北大学の論文
著者
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Dragomir Sorin
Università Degli Studi Della Basilicata Dipartimento Di Matematica E Informatica
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ABATANGELO Vito
Politecnico di Bari, Dipartimento di Matematica
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Abatangelo Vito
Politecnico Di Bari Dipartimento Di Matematica
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