An alternate proof of Cohn's four square
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Jesse Ira Deutsch
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Article
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2004
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Elsevier Science
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English
⚖ 264 KB
While various techniques have been used to demonstrate the classical four squares theorem for the rational integers, the method of modular forms of two variables has been the standard way of dealing with sums of squares problems for integers in quadratic fields. The case of representations by sums o