Finding Matrices that Satisfy Functional Equations

Author: Kominers, Scott Duke

Source: The College Mathematics Journal, Volume 40, Number 4, September 2009 , pp. 289-292(4)

Publisher: Mathematical Association of America

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We discuss a method for constructing solutions of analytic functional equations in matrix functions. The approach combines elements of calculus and linear algebra: Taylor series and nilpotent matrices. As an example, we obtain a nonconstant matrix function solving the functional equation $N(2x)-(N(x))8=0$.

Document Type: Short Communication


Publication date: September 1, 2009

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