Vol. 32, No. 2, 1970

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A classification of center-foci

Roger McCann

Vol. 32 (1970), No. 2, 467–478
Abstract

The main purpose of this paper is to classify center-foci according to isomorphisms. Necessary and sufficient conditions are found for an isomorphism to exist in terms of properties on the cycles in suitable neighborhoods of the center-foci. In the last section 0+ stable isolated critical points are classified according to isomorphisms.

Mathematical Subject Classification
Primary: 54.82
Milestones
Received: 7 April 1969
Published: 1 February 1970
Authors
Roger McCann