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Geometric invariants of non-smooth framed curves (2301.03525v1)
Published 9 Jan 2023 in math.AP
Abstract: We compare the Serret-Frenet frame with a {\em relatively parallel adapted frame} (RPAF) introduced by Bishop to parametrize $W{2,2}$-curves. Next, we derive the geometric invariants, curvature and torsion, with the RPAF associated to the curve. Finally, we discuss applications of the two approaches in variational problems.
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