Abstract
A symmetric N-string is a network of N ≥ 2 sections of string tied together at one common mobile extremity. In their equilibrium position, the sections of string form N angles of 2π/N at their junction point. Considering the initial and boundary value problem for small-amplitude oscillations perpendicular to the plane of the N-string at rest, we obtain conditions under which the solution will be periodic with an integral period.
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Gauthier, C. Conditions for periodic vibrations in a symmetric n-string. centr.eur.j.math. 6, 287–300 (2008). https://doi.org/10.2478/s11533-008-0017-9
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DOI: https://doi.org/10.2478/s11533-008-0017-9