Vol. 32, No. 3, 1970

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ISSN: 0030-8730
Positive holomorphic differentials on Klein surfaces

Newcomb Greenleaf and Walter Read

Vol. 32 (1970), No. 3, 711–713
Abstract

Let X be a compact Klein surface with boundary ∂X, and let β be an orientation of ∂X. We conjecture that there is a holomorphic differential which is positive on p if and only if 8 is not induced by an orientation of X, and we prove this when χ is elliptic or hyperelliptic.

Mathematical Subject Classification
Primary: 30.45
Secondary: 14.00
Milestones
Received: 5 August 1969
Published: 1 March 1970
Authors
Newcomb Greenleaf
Walter Read