scholarly journals Green's function, resolvent, Parseval equality of differential operator with block-triangular matrix coefficients

2014 ◽  
pp. 601-622 ◽  
Author(s):  
A. M. Kholkin ◽  
F. S. Rofe-Beketov
2019 ◽  
Vol 101 (1) ◽  
pp. 14-28
Author(s):  
Ghulam Hazrat Aimal Rasa ◽  
◽  
G. S. Auzerkhan ◽  
M. N. Konyrkulzhayeva ◽  
◽  
...  

1954 ◽  
Vol 6 ◽  
pp. 169-185 ◽  
Author(s):  
E. A. Coddington

Let L denote the formal ordinary differential operator,where we assume the pk are complex-valued functions with n-k continuous derivatives on an open real interval a < x < b (a = — ∞, b = + ∞, or both may occur), p0(x) ≠ 0 on a < x < b, and L coincides with its Lagrange adjoint L+ given by.


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