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Showing 1 to 1 of 1 for “"low-lying eignvalues"”.
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Semiclassical spectral analysis of discrete Witten Laplacians
… wells, providing sharp asymptotics of the low-lying spectrum. Our proof, inspired by work of B. Helffer, M. Klein and F. Nier in continuous setting, is based on the construction of a discrete Witten complex and a semiclassical analysis of the corresponding discrete Witten Laplacian on …