Representations by \(x^2_1 + 2x_2^2 + x_3^2 + x_4^2 + x_1 x_3 + x_1 x_4 + x_2 x_4\) (Q640870)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Representations by \(x^2_1 + 2x_2^2 + x_3^2 + x_4^2 + x_1 x_3 + x_1 x_4 + x_2 x_4\) |
scientific article |
Statements
Representations by \(x^2_1 + 2x_2^2 + x_3^2 + x_4^2 + x_1 x_3 + x_1 x_4 + x_2 x_4\) (English)
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21 October 2011
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representations by integral quadratic forms
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representation numbers
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quaternary quadratic forms
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