Gittins, K. and Helffer, B. (2021) 'Courant-sharp Robin eigenvalues for the square: the case of negative Robin parameter.', Asymptotic analysis., 124 (1-2). pp. 69-107.
We consider the cases where there is equality in Courant’s nodal domain theorem for the Laplacian with a Robin boundary condition on the square. In our previous two papers, we treated the cases where the Robin parameter h>0 is large, small respectively. In this paper we investigate the case where h<0.
|Full text:||(AM) Accepted Manuscript|
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|Publisher Web site:||https://doi.org/10.3233/ASY-201642|
|Publisher statement:||The final publication is available at IOS Press through http://dx.doi.org/10.3233/ASY-201642|
|Date accepted:||No date available|
|Date deposited:||15 September 2020|
|Date of first online publication:||08 July 2021|
|Date first made open access:||15 September 2020|
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