# 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

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 42.5 / 100
- **Momentum:** 8.2 / 100  (trend: RISING)
- **Historical depth:** 7.4 / 100
- **Now attention:** 0.0 / 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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