# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ib-madsen
# Generated: 2026-08-13T08:20:47.526Z

schema: https://schema.org/Person
url: "https://fame.am/person/ib-madsen"
name: "Ib Madsen"
slug: "ib-madsen"
description: "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."
tagline: "Danish mathematician"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Ib_Madsen_(cropped).jpeg?width=1200"
gender: "male"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1942-04-12"
livingStatus: "LIVING"
scores:
  popularity:           39.74
  momentum:             14.01008827238335
  historical:           5.671130666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  60
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://en.wikipedia.org/wiki/Ib_Madsen"
    title: "Ib Madsen"
    type:  "WIKIPEDIA"
  - url: "https://da.wikipedia.org/wiki/Ib_Madsen_(matematiker)"
    title: "Ib Madsen (matematiker)"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ib_Madsen"
    title: "Ib Madsen"
    type:  "WIKIPEDIA"
  - url: "https://sv.wikipedia.org/wiki/Ib_Madsen"
    title: "Ib Madsen"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Ib_Madsen"
    title: "Ib Madsen"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Ib_Madsen"
    title: "Ib Madsen"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q704493"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump