Vol. 37, No. 3, 1971

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A congruence theorem for asymmetric trees

Jaroslav Nešetřil

Vol. 37 (1971), No. 3, 771–778
Abstract

The question is studied how a given tree is determined by the collection of its asymmetric subtrees. The results are analogous other partial answers to the Ulam-Kelly conjecture.

Mathematical Subject Classification 2000
Primary: 05C05
Milestones
Received: 4 May 1970
Revised: 9 July 1970
Published: 1 June 1971
Authors
Jaroslav Nešetřil