scholarly journals The Complex Oscillation Theory of Certain Non-homogeneous Linear Differential Equations with Transcendental Entire Coefficients

1993 ◽  
Vol 179 (2) ◽  
pp. 403-416 ◽  
Author(s):  
Z.X. Chen ◽  
S.A. Gao
2000 ◽  
Vol 43 (1) ◽  
pp. 1-13 ◽  
Author(s):  
Gao Shi-An

AbstractUsing a combined dominant condition, we obtain general results concerning the complex oscillation for a class of homogeneous linear differential equations w(k) + + … + A1w′ + (A0 + A)w = 0 with k ≥ 2, which has been investigated by many authors. In particular, we discover that there exists a unique case that possesses k linearly independent zero-free solutions for these equations, and we resolve an open problem and simultaneously answer a question of Bank.


2000 ◽  
Vol 43 (2) ◽  
pp. 343-359 ◽  
Author(s):  
Gary G. Gundersen ◽  
Enid M. Steinbart ◽  
Shupei Wang

AbstractWe investigate the growth and the frequency of zeros of the solutions of the differential equation f(n) + Pn–1 (z) f(n–1) + … + P0 (z) f = H (z), where P0 (z), P1(z), …, Pn–1(z) are polynomials with P0 (z) ≢ 0, and H (z) ≢ 0 is an entire function of finite order.


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