5

Part of 1979 Miklós Schweitzer

Problems(1)

Miklos Schweitzer 1979_5

Source: rigid system

Give an example of ten different noncoplanar points

P_1,\ldots ,P_5,Q_1,\ldots ,Q_5

3

-space such that connecting each

P_i

Q_j

by a rigid rod results in a rigid system. L. Lovasz

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