# Axel Harnack

> Carl Gustav Axel Harnack was a Baltic German mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves.

*Baltic German mathematician (1851–1888)*

**Canonical URL:** https://fame.am/person/axel-harnack

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Born:** 1851-05-07
- **Died:** 1888-04-03
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 46.2 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 16.1 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [卡尔·古斯塔夫·阿克塞尔·哈纳克](https://zh.wikipedia.org/wiki/%E5%8D%A1%E5%B0%94%C2%B7%E5%8F%A4%E6%96%AF%E5%A1%94%E5%A4%AB%C2%B7%E9%98%BF%E5%85%8B%E5%A1%9E%E5%B0%94%C2%B7%E5%93%88%E7%BA%B3%E5%85%8B)
- [كارل جوستاف اكسل هارناك](https://arz.wikipedia.org/wiki/%D9%83%D8%A7%D8%B1%D9%84_%D8%AC%D9%88%D8%B3%D8%AA%D8%A7%D9%81_%D8%A7%D9%83%D8%B3%D9%84_%D9%87%D8%A7%D8%B1%D9%86%D8%A7%D9%83)
- [Carl Gustav Axel Harnack](https://ca.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Axel Harnack](https://da.wikipedia.org/wiki/Axel_Harnack)
- [Axel Harnack (Mathematiker)](https://de.wikipedia.org/wiki/Axel_Harnack_(Mathematiker))
- [Carl Gustav Axel Harnack](https://en.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Carl Gustav Axel Harnack](https://es.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Axel Harnack](https://et.wikipedia.org/wiki/Axel_Harnack)
- [کارل گوستاف اکسل هارناک](https://fa.wikipedia.org/wiki/%DA%A9%D8%A7%D8%B1%D9%84_%DA%AF%D9%88%D8%B3%D8%AA%D8%A7%D9%81_%D8%A7%DA%A9%D8%B3%D9%84_%D9%87%D8%A7%D8%B1%D9%86%D8%A7%DA%A9)
- [Axel Harnack](https://fr.wikipedia.org/wiki/Axel_Harnack)
- [Carl Gustav Axel Harnack](https://ht.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Carl Gustav Axel Harnack](https://id.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Axel Harnack](https://it.wikipedia.org/wiki/Axel_Harnack)
- [Axel Harnack](https://nl.wikipedia.org/wiki/Axel_Harnack)
- [Karl Harnack](https://pl.wikipedia.org/wiki/Karl_Harnack)
- [Carl Gustav Axel Harnack](https://pt.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Гарнак, Аксель](https://ru.wikipedia.org/wiki/%D0%93%D0%B0%D1%80%D0%BD%D0%B0%D0%BA%2C_%D0%90%D0%BA%D1%81%D0%B5%D0%BB%D1%8C)
- [Axel Harnack (matematiker)](https://sv.wikipedia.org/wiki/Axel_Harnack_(matematiker))
- [Carl Gustav Axel Harnack](https://tr.wikipedia.org/wiki/Carl_Gustav_Axel_Harnack)
- [Wikidata](https://www.wikidata.org/wiki/Q65214)

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