# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/jun-ichi-igusa
# Generated: 2026-08-13T14:32:12.803Z

schema: https://schema.org/Person
url: "https://fame.am/person/jun-ichi-igusa"
name: "Jun-Ichi Igusa"
slug: "jun-ichi-igusa"
description: "Jun-ichi Igusa  was a Japanese mathematician who for over three decades was on the faculty at Johns Hopkins University. He is known for his contributions to algebraic geometry and number theory. The Igusa zeta-function, the Igusa quartic, Igusa subgroups, Igusa curves, and Igusa varieties are named after him."
tagline: "Mathematician (1924–2013)"
gender: "male"
country:
  name: "Japan"
  isoCode: "JP"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1924-01-30"
deathDate: "2013-11-24"
livingStatus: "DECEASED"
scores:
  popularity:           42.26
  momentum:             15
  historical:           5.675846666666667
  currentAttention:     0
  sourceConfidence:     35
  profileCompleteness:  55
  trendDirection:       "BREAKOUT"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://en.wikipedia.org/wiki/Jun-Ichi_Igusa"
    title: "Jun-Ichi Igusa"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%DA%86%D9%88%D9%86_%D9%8A%D8%AA%D8%B4%D9%89_%D8%A7%D9%8A%D8%AC%D9%88%D8%B3%D8%A7"
    title: "چون يتشى ايجوسا"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Jun-Ichi_Igusa"
    title: "Jun-Ichi Igusa"
    type:  "WIKIPEDIA"
  - url: "https://pt.wikipedia.org/wiki/Jun-Ichi_Igusa"
    title: "Jun-Ichi Igusa"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E4%BA%95%E8%8D%89%E5%87%96%E4%B8%80"
    title: "井草凖一"
    type:  "WIKIPEDIA"
  - url: "https://nl.wikipedia.org/wiki/Jun-Ichi_Igusa"
    title: "Jun-Ichi Igusa"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1713224"
    title: "Wikidata"
    type:  "WIKIDATA"

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