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SOME GLOBAL EXISTENCE RESULTS ON LOCALLY FINITE GRAPHS
Published online by Cambridge University Press: 06 November 2023
Abstract
Let $G=(V, E)$ be a locally finite graph with the vertex set V and the edge set E, where both V and E are infinite sets. By dividing the graph G into a sequence of finite subgraphs, the existence of a sequence of local solutions to several equations involving the p-Laplacian and the poly-Laplacian systems is confirmed on each subgraph, and the global existence for each equation on graph G is derived by the convergence of these local solutions. Such results extend the recent work of Grigor’yan, Lin and Yang [J. Differential Equations, 261 (2016), 4924–4943; Rev. Mat. Complut., 35 (2022), 791–813]. The method in this paper also provides an idea for investigating similar problems on infinite graphs.
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- Research Article
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- Copyright
- © The Author(s), 2023. Published by Cambridge University Press on behalf of Australian Mathematical Publishing Association Inc.
Footnotes
Communicated by Florica C. Cîrstea
The first author was supported by the National Natural Science Foundation of China (Grant No. 11601368). The second author was supported by Shanghai Natural Science Foundation (Grant No. 21ZR1445600)