# Ib Madsen

> Ib Henning Madsen is a Danish mathematician, a professor of mathematics at the University of Copenhagen. He is known for proving the Mumford conjecture on the cohomology of the stable mapping class group, and for developing topological cyclic homology theory.

*Danish mathematician*

**Canonical URL:** https://fame.am/person/ib-madsen

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Born:** 1942-04-12
- **Status:** living
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 39.7 / 100
- **Momentum:** 14.0 / 100  (trend: BREAKOUT)
- **Historical depth:** 5.7 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 35.0 / 100
- **Profile completeness:** 60.0 / 100

## Sources
- [Ib Madsen](https://en.wikipedia.org/wiki/Ib_Madsen)
- [Ib Madsen (matematiker)](https://da.wikipedia.org/wiki/Ib_Madsen_(matematiker))
- [Ib Madsen](https://de.wikipedia.org/wiki/Ib_Madsen)
- [Ib Madsen](https://sv.wikipedia.org/wiki/Ib_Madsen)
- [Ib Madsen](https://fr.wikipedia.org/wiki/Ib_Madsen)
- [Ib Madsen](https://pt.wikipedia.org/wiki/Ib_Madsen)
- [Wikidata](https://www.wikidata.org/wiki/Q704493)

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