This is a preview of subscription content, log in via an institution to check access.
References
Edmunds, D.E., Evans, W.D.: Spectral theory and differential operators. Oxford University Press 1987
El Kolli, A.: N-ième épaisseur dans les espaces de Sobolev. C.R. Acad. Sci. Paris, Ser. A272, 537–540 (1971)
Evans, W.D., Harris, D.J.: Sobolev embeddings for generalized ridged domains. Proc. Lond. Math. Soc., (3)54, 141–175 (1987)
Evans, W.D., Harris, D.J.: On the approximation numbers of Sobolev embeddings for irregular domains. Q. J. Math. Oxf., (2)40, 13–42 (1989)
Falconer, K.J.: The geometry of fractal sets. Cambridge, Cambridge University Press 1985
Fleckinger, J., Métivier, G.: Théorie spectrale des opérateurs uniformément elliptiques sur quelques ouverts irréguliers. C.R. Acad. Sci. Paris, Ser. A276, 913–916 (1973)
Fleckinger-Pelle, J., Lapidus, M.L.: Vers une resolution de la conjecture de Weyl-Berry pour les valeurs propres du laplacien. C.R. Acad. Sci. Paris, Ser. I306, 171–175 (1988)
Fleckinger-Pelle, J., Vasil'ev, D.: An example of two-term asymptotics for the counting function of a fractal drum. (Preprint)
Hempel, R., Seco, L.A., Simon, B.: The essential spectrum of Neumann Laplacians on some bounded singular domains. (Preprint)
Lapidus, M.L.: Fractal drum, inverse spectral problems for elliptic operators and a partial resolution of the Weyl-Berry conjecture. Trans. Am. Math. Soc.325(2), 465–529 (1991)
Maz'ja, V.G.: Sobolev spaces. Berlin Heidelberg New York: Springer 1985
Métivier, G.: Valeurs propres de problemes aux limites elliptiques irreguliers. Bull. Soc. Math. Fr.51–52, 125–219 (1977)