

Seminar on analytic theory of differential equations
October 21, 2015 14:30–16:00, Moscow, Steklov Mathematical Institute, Room 440 (8 Gubkina)






On Birkhoff's theory of difference equations
I. V. Vyugin^{} 
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Abstract:
I shall tell about basic facts of the theory of linear difference equations of type
$$Y(z+1)=A(z)Y(z),$$ where $A(z),Y(z)$ are complex matrices. Then I shall obtain ramifications of theorems that give a positive solution of the RiemannHilbert problem for difference equations
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