Abstract
For higher-order linear singular equations, we find sharp estimates for the Cauchy function and its partial derivatives. We use these estimates to study the properties of solutions of singular differential inequalities and obtain optimal sufficient conditions for the unique solvability of the linear singular Cauchy problem.
Similar content being viewed by others
References
Bellman, R., Stability Theory of Differential Equations, New York, 1953.
Coddington, E.A. and Levinson, N., Theory of Ordinary Differential Equations, New York, 1955.
Hartman, P., Ordinary Differential Equations, Philadelphia: SIAM, 2002.
Kiguradze, I.T., Nekotorye singulyarnye kraevye zadachi dlya obyknovennykh differentsial’nykh uravnenii (Some Singular Boundary Value Problems for Ordinary Differential Equations), Tbilisi: Izdat. Tbilis. Univ., 1975.
Kiguradze, I., On a Singular Multi-Point Boundary Value Problem, Ann. Mat. Pura Appl., 1970, vol. 86, pp. 367–399.
Kiguradze, I.T. and Shekhter, B.L., Singular Boundary Value Problems for Second-Order Ordinary Differential Equations, Itogi Nauki Tekh. Noveish. Dostizh., 1987, vol. 30, pp. 105–201.
Kiguradze, I. and Tskhovrebadze, G., On the Two-Point Boundary Value Problems for Systems of Higher Order Ordinary Differential Equations with Singularities, Georgian Math. J., 1994, no. 1, pp. 31–45.
Kiguradze, I.T., Nachal’naya i kraevye zadachi dlya sistem obyknovennykh differentsial’nykh uravnenii (The Initial Value Problem and Boundary Value Problems for Systems of Ordinary Differential Equations), Tbilisi: Metsniereba, 1997, vol. 1.
Kiguradze, I., Puža, B., and Stavroulakis, I.P., On Singular Boundary Value Problems for Functional Differential Equations of Higher Order, Georgian Math. J., 2001, vol. 8, no. 4, pp. 791–814.
Kiguradze, I.T., On Boundary Value Problems for Linear Differential Systems with Singularities, Differ. Uravn., 2003, vol. 39, no. 2, pp. 198–209.
Agarwal, R.P. and O’Regan, D., Singular Differential and Integral Equations with Applications, Dordrecht, 2003.
Author information
Authors and Affiliations
Additional information
Original Russian Text © T.I. Kiguradze, 2010, published in Differentsial’nye Uravneniya, 2010, Vol. 46, No. 1, pp. 29–46.
Rights and permissions
About this article
Cite this article
Kiguradze, T.I. Estimates for the Cauchy function of linear singular differential equations and some applications. Diff Equat 46, 30–47 (2010). https://doi.org/10.1134/S0012266110010052
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1134/S0012266110010052