Keywords
- Hilbert Space
- Bounded Variation
- Symmetric Operator
- Selfadjoint Operator
- Minimal Operator
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Some References to Recent Work
E. A. Coddington, Extension theory of formally normal and symmetric subspaces, Mem. Amer. Math. Soc. No. 134 (1973).
E. A. Coddington, Selfadjoint subspace extensions of nondensely defined symmetric operators, Bull. Amer. Math. Soc. 79 (1973), 712–715; complete version with proofs to appear in Advances in Math.
E. A. Coddington, Eigenfunction expansions for nondensely defined operators generated by symmetric ordinary differential expressions, Bull. Amer. Math. Soc. 79 (1973), 964–968; complete version will appear in Advances in Math. under the title: Selfadjoint problems for nondensely defined ordinary differential operators and their eigenfunction expansions.
E. A. Coddington and A. Dijksma, Selfadjoint subspaces and eigenfunction expansions for ordinary differential subspaces, to appear.
A. Dijksma and H. S. V. de Snoo, Eigenfunction expansions for nondensely defined differential operators, to appear in J. Diff. Equations.
A. M. Krall, Differential-boundary operators, Trans. Amer. Math. Soc. 154 (1971), 429–458.
O. Vejvoda and M. Tvrdý, Existence of solutions to a linear integro-boundary-differential equation with additional conditions, Ann. di Mat. Pura ed Appl. (Ser. 4) 89 (1971), 169–216.
H. J. Zimmerberg, Linear integro-differential-boundary-parameter problems, to appear in Ann. di Mat. Pura ed Appl.
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Coddington, E.A. (1975). Spectral theory of ordinary differential operators. In: Everitt, W.N. (eds) Spectral Theory and Differential Equations. Lecture Notes in Mathematics, vol 448. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0067079
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DOI: https://doi.org/10.1007/BFb0067079
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