The loss of the property of reducibility by systems of linear differential equations with almost periodic coefficients

I. N. Blinov

P. Togliatti Leningrad Engineering-Economics Institute

Abstract: It is proved that among systems with almost periodic analytic coefficients (with an algebraic number as frequency base), there are systems which lose the property of reducibility on the boundary of some disk of values of the parameter.

UDC: 517.9

Received: 15.11.1968

 English version: Mathematical Notes, 1970, 8:1, 534–537

Bibliographic databases:

• 
•