# Carl Ludwig Siegel

> Carl Ludwig Siegel was a German mathematician specialising in analytic number theory. He is known for, amongst other things, his contributions to the Thue-Siegel-Roth theorem in Diophantine approximation, Siegel's method, Siegel's lemma and the Siegel mass formula for quadratic forms. He has been named one of the most important mathematicians of the 20th century.

*German mathematician (1896-1981)*

**Canonical URL:** https://fame.am/person/carl-ludwig-siegel

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** Germany
- **Born:** 1896-12-31
- **Died:** 1981-04-04
- **Status:** deceased
- **Gender:** male

## Fame
- **Popularity score:** 55.1 / 100
- **Momentum:** 3.5 / 100  (trend: RISING)
- **Historical depth:** 23.8 / 100
- **Attention shift:** 17.6 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [卡尔·西格尔](https://zh.wikipedia.org/wiki/%E5%8D%A1%E5%B0%94%C2%B7%E8%A5%BF%E6%A0%BC%E5%B0%94)
- [Зигель, Карл Людвиг](https://ru.wikipedia.org/wiki/%D0%97%D0%B8%D0%B3%D0%B5%D0%BB%D1%8C%2C_%D0%9A%D0%B0%D1%80%D0%BB_%D0%9B%D1%8E%D0%B4%D0%B2%D0%B8%D0%B3)
- [كارل لودفيش سيجل](https://arz.wikipedia.org/wiki/%D9%83%D8%A7%D8%B1%D9%84_%D9%84%D9%88%D8%AF%D9%81%D9%8A%D8%B4_%D8%B3%D9%8A%D8%AC%D9%84)
- [کارل لودویق زیقل](https://azb.wikipedia.org/wiki/%DA%A9%D8%A7%D8%B1%D9%84_%D9%84%D9%88%D8%AF%D9%88%DB%8C%D9%82_%D8%B2%DB%8C%D9%82%D9%84)
- [Карл Людвіг Зігель](https://be.wikipedia.org/wiki/%D0%9A%D0%B0%D1%80%D0%BB_%D0%9B%D1%8E%D0%B4%D0%B2%D1%96%D0%B3_%D0%97%D1%96%D0%B3%D0%B5%D0%BB%D1%8C)
- [Carl Ludwig Siegel](https://ca.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://cs.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://de.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Καρλ Λούντβιχ Ζήγκελ](https://el.wikipedia.org/wiki/%CE%9A%CE%B1%CF%81%CE%BB_%CE%9B%CE%BF%CF%8D%CE%BD%CF%84%CE%B2%CE%B9%CF%87_%CE%96%CE%AE%CE%B3%CE%BA%CE%B5%CE%BB)
- [Carl Ludwig Siegel](https://en.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://eo.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://es.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [کارل لودویگ زیگل](https://fa.wikipedia.org/wiki/%DA%A9%D8%A7%D8%B1%D9%84_%D9%84%D9%88%D8%AF%D9%88%DB%8C%DA%AF_%D8%B2%DB%8C%DA%AF%D9%84)
- [Carl Ludwig Siegel](https://fi.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Siegel](https://fr.wikipedia.org/wiki/Carl_Siegel)
- [Carl Ludwig Siegel](https://id.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://it.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [カール・ジーゲル](https://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%BC%E3%83%AB%E3%83%BB%E3%82%B8%E3%83%BC%E3%82%B2%E3%83%AB)
- [Карл Людвиг Зигель](https://kk.wikipedia.org/wiki/%D0%9A%D0%B0%D1%80%D0%BB_%D0%9B%D1%8E%D0%B4%D0%B2%D0%B8%D0%B3_%D0%97%D0%B8%D0%B3%D0%B5%D0%BB%D1%8C)
- [카를 루트비히 지겔](https://ko.wikipedia.org/wiki/%EC%B9%B4%EB%A5%BC_%EB%A3%A8%ED%8A%B8%EB%B9%84%ED%9E%88_%EC%A7%80%EA%B2%94)
- [Карл Лүдвиг Зигел](https://ky.wikipedia.org/wiki/%D0%9A%D0%B0%D1%80%D0%BB_%D0%9B%D2%AF%D0%B4%D0%B2%D0%B8%D0%B3_%D0%97%D0%B8%D0%B3%D0%B5%D0%BB)
- [Carl Ludwig Siegel](https://nl.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://nn.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://pl.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Carl Ludwig Siegel](https://pt.wikipedia.org/wiki/Carl_Ludwig_Siegel)
- [Wikiquote](https://en.wikiquote.org/wiki/Carl_Ludwig_Siegel)
- [Wikiquote](https://sl.wikiquote.org/wiki/Carl_Ludwig_Siegel)
- [קרל לודוויג זיגל](https://he.wikipedia.org/wiki/%D7%A7%D7%A8%D7%9C_%D7%9C%D7%95%D7%93%D7%95%D7%95%D7%99%D7%92_%D7%96%D7%99%D7%92%D7%9C)
- [كارل لودفيش سيغل](https://ar.wikipedia.org/wiki/%D9%83%D8%A7%D8%B1%D9%84_%D9%84%D9%88%D8%AF%D9%81%D9%8A%D8%B4_%D8%B3%D9%8A%D8%BA%D9%84)
- [Wikidata](https://www.wikidata.org/wiki/Q61721)

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