Heliyon
(Jan 2024)
Helmholtz operators on infinite graphs
Varadha Raj Manivannan,
Madhu Venkataraman
Affiliations
Varadha Raj Manivannan
Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore - 632 014, Tamil Nadu, India
Madhu Venkataraman
Corresponding author.; Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore - 632 014, Tamil Nadu, India
DOI
https://doi.org/10.1016/j.heliyon.2024.e24761
Journal volume & issue
Vol. 10,
no. 2
p.
e24761
Abstract
Read online
The Helmholtz equation in its simplest form is Δu(a)=−k2u(a). In this note, we study a generalized discrete version of this equation on an infinite graph, by using potential-theoretic methods.
Keywords
WeChat QR code
Close