Extract of a letter addressed to Mr. Le Besge. (Q1564775)
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scientific article; zbMATH DE number 2721462
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Extract of a letter addressed to Mr. Le Besge. |
scientific article; zbMATH DE number 2721462 |
Statements
Extract of a letter addressed to Mr. Le Besge. (English)
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1869
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\(\sum_i (-1)^{\frac{i-1}{2}} iF(4m-i^2)= \sum_{a,b} (a^2- 4b^2)\); wenn \(m\) auf alle möglichen Arten in \(a^2+4b^2\) zerlegt wird, wobei \(a\) ungrade und positiv ist, \(b\) grade positiv, null oder negativ; und \(i\) alle ungraden Zahlen \(\sqrt{4m}\) durchläuft.
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Binary quadratic form
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Class number
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