Keller, R. G. The essential self-adjointness of differential operators with positive coefficients. (English) Zbl 0403.35031 Proc. R. Soc. Edinb., Sect. A 82, 345-360 (1979). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 35J30 Higher-order elliptic equations 35R20 Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions) 47F05 General theory of partial differential operators (should also be assigned at least one other classification number in Section 47-XX) Keywords:Essential Self-Adjointness; Elliptic Operator PDF BibTeX XML Cite \textit{R. G. Keller}, Proc. R. Soc. Edinb., Sect. A, Math. 82, 345--360 (1979; Zbl 0403.35031) Full Text: DOI References: [1] Schechter., Spectra of Partial Differential Operators (1971) [2] Keller., Proc. Roy. Soc. Edinb. Sect. A 82 pp 305– (1979) · Zbl 0403.35030 · doi:10.1017/S0308210500011264 [3] DOI: 10.1007/BF00250679 · Zbl 0326.35018 · doi:10.1007/BF00250679 [4] DOI: 10.1112/jlms/s1-43.1.465 · Zbl 0162.39202 · doi:10.1112/jlms/s1-43.1.465 [5] DOI: 10.1112/jlms/s2-7.2.343 · Zbl 0269.34014 · doi:10.1112/jlms/s2-7.2.343 [6] DOI: 10.1007/BF02760233 · Zbl 0246.35025 · doi:10.1007/BF02760233 This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.