Cylindrical algebraic decomposition I: the basic algorithm
SIAM Journal on Computing
The TH ∃ OREM ∀ project: a progress report
Symbolic computation and automated reasoning
Logical and algebraic view of Huzita's origami axioms with applications to computational origami
Proceedings of the 2007 ACM symposium on Applied computing
Origami fold as algebraic graph rewriting
Proceedings of the 2009 ACM symposium on Applied Computing
Symbolic and algebraic methods in computational origami: invited talk
Proceedings of the 2009 international symposium on Symbolic and algebraic computation
Modeling origami for computational construction and beyond
ICCSA'07 Proceedings of the 2007 international conference on Computational science and Its applications - Volume Part II
Morley's theorem revisited: Origami construction and automated proof
Journal of Symbolic Computation
Proof documents for automated origami theorem proving
ADG'10 Proceedings of the 8th international conference on Automated Deduction in Geometry
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We present an origami construction of a maximum equilateral triangle inscribed in an origami, and an automated proof of the correctness of the construction. The construction and the correctness proof are achieved by a computational origami system called Eos (E-origami system). In the construction we apply the techniques of geometrical constraint solving, and in the automated proof we apply Gröbner bases theory and the cylindrical algebraic decomposition method. The cylindrical algebraic decomposition is indispensable to the automated proof of the maximality since the specification of this property involves the notion of inequalities. The interplay of construction and proof by Gröbner bases method and the cylindrical algebraic decomposition supported by Eos is the feature of our work.