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Zbl 1065.51501
Alperin, Roger C.
A mathematical theory of origami constructions and numbers. (English)
[J] New York J. Math. 6, 119-133 (2000). ISSN 1076-9803/e

Summary: In this article we give a simplified set of axioms for mathematical origami and numbers. The axioms are hierarchically structured so that the addition of each axiom, allowing new geometrical complications, is mirrored in the field theory of the possible constructible numbers. The fields of Thalian, Pythagorean, Euclidean and origami numbers are thus obtained using this set of axioms. The other new ingredient here relates the last axiom to the algebraic geometry of pencils of conics. It is hoped that the elementary nature of this article will also be useful for advanced algebra students in understanding more of the relations of field theory with elementary geometry.

MSC 2000:: *51N15 Projective analytic geometry
11Z05 Miscellaneous appl. of number theory
51M15 Geometric constructions
51N20 Euclidean analytic geometry

Keywords: algebraic numbers; pencil of conics; Pythagorean numbers

Cited in: Zbl 1085.51022

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