TY - GEN AU - López Camino, Rafael PY - 2025 SN - 1225-6951 SN - 0454-8124 UR - https://hdl.handle.net/10481/110077 AB - Let S1 be a circle in the Euclidean plane. We consider the problem of finding the shape of a planar curve which is an extremal of the potential energy that measures the distance to S1. We describe the shape of such curves, distinguishing if the curves... LA - eng PB - Kyungpook National University KW - Catenary KW - Hanging problem KW - Calculus of variations TI - The hanging chain problem with respect to a circle DO - 10.5666/KMJ.2025.65.1.131 ER -