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Spectral order for unbounded operators

✍ Scribed by Artur Płaneta; Jan Stochel

Book ID
113721818
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
283 KB
Volume
389
Category
Article
ISSN
0022-247X

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📜 SIMILAR VOLUMES

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✍ Horst Behncke; Fredrick Oluoch Nyamwala 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 209 KB

## Abstract Higher even order linear differential operators with unbounded coefficients are studied. For these operators the eigenvalues of the characteristic polynomials fall into distinct classes or clusters. Consequently the spectral properties, deficiency indices and spectra, of the underlying

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✍ Horst Behncke; Fredrick Oluoch Nyamwala 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 243 KB

## Abstract Differential operators of higher order with unbounded coefficients are analyzed with respect to deficiency index and spectra. The eigenvalues fall into clusters of distinct size and each cluster contributes separately to the deficiency index and spectra.