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Determining knot types from diagrams of knots

Determining knot types from diagrams of knots

1* Introduction* A knot is a circle imbedded as a polygon in 3-dimensional space i?. Two knots K and L are called equivalent if there is an autohomeomorphism h of R such that h{K) — L. Each equivalence class is called a knot type. For oriented knots a stronger equivalence …