Equivalence of knots refers to the concept that two knots are considered the same if one can be transformed into the other through a series of allowed manipulations without cutting the strands. These manipulations include twisting, bending, and rearranging the knot's structure while maintaining its connectivity. Understanding equivalence is essential for identifying knot invariants, which are properties that remain unchanged regardless of how the knot is manipulated, providing a systematic way to classify and distinguish between different knots.
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