# Philip Hartman

> Philip Hartman was an American mathematician at Johns Hopkins University working on differential equations who introduced the Hartman-Grobman theorem. He served as Chairman of the Mathematics Department at Johns Hopkins for several years. He has an Erdös number of 2.

*American mathematician (1915-2015)*

**Canonical URL:** https://fame.am/person/philip-hartman

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1915-05-16
- **Died:** 2015-08-28
- **Status:** deceased
- **Gender:** male

## Fame
- **Popularity score:** 42.5 / 100
- **Momentum:** 8.2 / 100  (trend: RISING)
- **Historical depth:** 7.4 / 100
- **Attention shift:** 37.0 / 100
- **Source confidence:** 45.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [菲利浦·哈特曼](https://zh.wikipedia.org/wiki/%E8%8F%B2%E5%88%A9%E6%B5%A6%C2%B7%E5%93%88%E7%89%B9%E6%9B%BC)
- [فيليب هارتمان](https://ar.wikipedia.org/wiki/%D9%81%D9%8A%D9%84%D9%8A%D8%A8_%D9%87%D8%A7%D8%B1%D8%AA%D9%85%D8%A7%D9%86)
- [فيليب هارتمان](https://arz.wikipedia.org/wiki/%D9%81%D9%8A%D9%84%D9%8A%D8%A8_%D9%87%D8%A7%D8%B1%D8%AA%D9%85%D8%A7%D9%86)
- [Philip Hartman](https://de.wikipedia.org/wiki/Philip_Hartman)
- [Philip Hartman](https://en.wikipedia.org/wiki/Philip_Hartman)
- [Philip Hartman](https://fr.wikipedia.org/wiki/Philip_Hartman)
- [Philip Hartman](https://pt.wikipedia.org/wiki/Philip_Hartman)
- [Хартман, Филип](https://ru.wikipedia.org/wiki/%D0%A5%D0%B0%D1%80%D1%82%D0%BC%D0%B0%D0%BD%2C_%D0%A4%D0%B8%D0%BB%D0%B8%D0%BF)
- [Wikidata](https://www.wikidata.org/wiki/Q2086221)

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