Open AccessSome Estimates for Eigenfunction Expansions and Spectral Functions Corresponding to Elliptic Differential Operators.
Author(s) -
Nils Nilsson
Publication year - 1961
Publication title -
mathematica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.553
H-Index - 30
eISSN - 1903-1807
pISSN - 0025-5521
DOI - 10.7146/math.scand.a-10629
Subject(s) - mathematics , eigenfunction , differential operator , elliptic operator , mathematical analysis , spectral theory of ordinary differential equations , spectral properties , pure mathematics , eigenvalues and eigenvectors , quasinormal operator , finite rank operator , computational chemistry , chemistry , banach space , physics , quantum mechanics