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Publications by Chao Ko

On Definite Quadratic Forms, Which Are Not the Sum of Two Definite or Semi-Definite Forms

Acta Arithmetica

English

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Normal Forms for Definite Integer Unimodular Quadratic Forms

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Primitive Minima of Positive Definite Quadratic Forms

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Two Theorems on the Class Number of Positive Definite Quadratic Forms

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Some Remarks on Representations of Positive Definite Quadratic Forms

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Tensor Products of Positive Definite Quadratic Forms III

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The Minimum and the Primitive Representation of Positive Definite Quadratic Forms II

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Semi-Definite Programming

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Definite Hermitian Forms and the Cancellation of Simple Knots

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The First Nontrivial Genus of Positive Definite Ternary Forms

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