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A fundamental approach to the generalized eigenvalue problem for self-adjoint operators

✍ Scribed by S.J.L van Eijndhoven; J de Graaf


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
580 KB
Volume
63
Category
Article
ISSN
0022-1236

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## History of the problem While it is relatively easy to get estimations of upper bounds for eigerivalues of elliptic differential operators with the well-known methods of J. W. S. RAYLEIGH and W. RITZ, the estimation of lower bounds is much more complicated. Estimations of lower bounds for eigenv