References
Bergendal, G.: Convergence and summability of eigenfunction expansions connected with elliptic operators. Thesis, Lund, 1959. Med. Lunds Univ. Mat. Sem.14, 1–63 (1959).
Lions, J. L., andJ. Peetre: Sur une classe d'espaces d'interpolation. Publ. Math. Inst. Hautes Etudes Sci.19, 5–68 (1964).
Magenes, E.: Spazi di interpolazione ed equazioni a derivate parziali. Atti del VII Congresso dell'U.M.I., Genova 1963. Roma: Edizioni Cremonese 1964.
Peetre, J.: Espaces d'interpolation, généralisations, applications. Rend. Sem. Mat. Fis. Milano34, 133–164 (1964).
—— Applications de la théorie des espaces d'interpolation dans l'Analyse Harmonique. Ricerche Mat.15, 3–36 (1966).
Shapiro, V.: Topics in Fourier and geometric analysis. Mem. Am. Math. Soc. No. 39, 1961.
Zygmund, A.: Trigonometrical series. Cambridge: University Press 1959.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Peetre, J. Absolute convergence of eigenfunction expansions. Math. Ann. 169, 307–314 (1967). https://doi.org/10.1007/BF01362354
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01362354