• Norbert A’Campo

Universität Basel, Switzerland

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Abstract

The following question was pronounced, many years ago in Strasbourg, by Vladimir Turaev in the IRMA lecture room: Let $L \subset S^3$ be a link consisting of divide knots $K_1;K_2; \dots ;K_n$ given by divides $P_1; P_2; \dots ;P_n$. How to compute the Milnor higher linking numbers from the system of divides?

Also in the room was the question: Let $L \subset S^3$ be a link consisting of knots $K_1;K_2; \dots ;K_n$ given by Turaev shadows $S_1; S_2; \dots ;S_n$. How to compute the Milnor higher linking numbers from the system of shadows?

The present contribution answers the first question for the triple higher linking numbers.