Banach Journal of Mathematical Analysis

Conjugacy of P-configurations and nonlinear solutions to a certain conditional Cauchy equation

Orr Moshe Shalit

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We study the connection between conjugations of a special kind of dynamical systems, called P-configurations, and solutions to homogeneous Cauchy type functional equations. We find that any two regular P-configurations are conjugate by a homeomorphism, but cannot be conjugate by a diffeomorphism. This leads us to the following conclusion (answering an open question posed by Paneah): there exist continuous nonlinear solutions to the functional equation: $$ f(t) = f\left(\frac{t+1}{2}\right) + f\left(\frac{t-1}{2}\right) \,\, , \,\, t \in [-1,1] . $$

Article information

Banach J. Math. Anal. Volume 3, Number 1 (2009), 28-35.

First available in Project Euclid: 21 April 2009

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Digital Object Identifier

Primary: 39B22: Equations for real functions [See also 26A51, 26B25]
Secondary: 37B99: None of the above, but in this section

conditional functional equation Cauchy type functional equation P-configuration guided dynamical system


Shalit, Orr Moshe. Conjugacy of P-configurations and nonlinear solutions to a certain conditional Cauchy equation. Banach J. Math. Anal. 3 (2009), no. 1, 28--35. doi:10.15352/bjma/1240336420.

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