Jean Leray

French mathematician (1906-1998)
Person human Q441143
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Summary

Jean Leray was born on November 7, 1906[1], in Chantenay-sur-Loire[2]. He died on November 10, 1998[3], in La Baule-Escoublac[4]. He worked as a mathematician[5], topologist[6], professor[7], and university teacher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (838 views/month, #7,286 of 1,000,298).[9]

Key Facts

  • Place of birth: Nantes[10]
  • Father: Francis Leray[11]
  • Country of citizenship: France[12]
  • Field of work: mathematical analysis[13], partial differential equation[14], topology[15], mathematics[16], algebraic topology[17]
  • Employer: Collège de France[18], Université de Nancy[19], French Armed Forces[20]
  • Educated at: École Normale Supérieure[21]
  • Doctoral advisor: Henri Villat[22]
  • Notable work: degree of an analytic mapping[23], Leray-Schauder-Alternative[24], Théorème du point fixe de Leray-Schauder[25], Leray projection[26], Leray spectral sequence[27], Leray's theorem[28], Leray–Hirsch theorem[29], Leray cover[30]
  • Award received: Lomonosov Gold Medal[31], Grand prix des sciences mathématiques[32], Wolf Prize in Mathematics[33], Foreign Member of the Royal Society[34], Cours Peccot[35], Feltrinelli Prize[36]
  • Member of: Royal Society[37], French Academy of Sciences[38], Göttingen Academy of Sciences and Humanities in Lower Saxony[39], Russian Academy of Sciences[40], Academy of Sciences of the USSR[41], National Academy of Sciences[42], American Academy of Arts and Sciences[43], Accademia Nazionale dei Lincei[44], Royal Academy of Science, Letters and Fine Arts of Belgium[45], Accademia Nazionale delle Scienze detta dei XL[46], Academy of Sciences of Turin[47], Polish Academy of Sciences[48], American Philosophical Society[49]
  • Sex or gender: male[50]
  • Doctoral student: Armand Borel[51], István Fáry[52], René Deheuvels[53], Claude Wagschal[54], Phillipe A. Dionne[55], Jean Vaillant[56], Lai The Pham[57], Solange Delache[58], Dominique Schiltz[59], Maurice A. de Gosson[60]
  • Commons category: Jean Leray[61]
  • Participated in conflict: World War II[62]
  • Family name: Leray[63]
  • Given name: Jean[64]
  • Academic thesis: Étude de diverses équations intégrales non linéaires et de quelques problèmes que pose l'Hydrodynamique[65]

Why It Matters

Jean Leray has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[66] He is known by 14 alternative names across languages and contexts.[67]

He is credited with the discovery of sheaf[68] and spectral sequence[69].

His notable doctoral advisees include Armand Borel[70], a mathematician[71], 1923–2003[72], of Switzerland[73], awarded the Balzan Prize[74], specialised in topology[75] and István Fáry[76], a mathematician[77], 1922–1984[78], of Hungary[79], specialised in mathematics[80].

FAQs

Where was Jean Leray born?

Jean Leray's place of birth was Chantenay-sur-Loire[2].

Where did Jean Leray die?

Jean Leray died in La Baule-Escoublac[4].

Who were Jean Leray's parents?

Jean Leray's father was Francis Leray[11].

What did Jean Leray do for work?

Jean Leray worked as a mathematician[5], topologist[6], professor[7], and university teacher[8].

Where did Jean Leray go to school?

Jean Leray was educated at École Normale Supérieure[21].

What awards did Jean Leray receive?

Honors received include Lomonosov Gold Medal[31], Grand prix des sciences mathématiques[32], Wolf Prize in Mathematics[33], and Foreign Member of the Royal Society[34].

What did Jean Leray discover?

Jean Leray is credited as discoverer of sheaf[68] and spectral sequence[69].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [10] ↑ . www.accademiadellescienze.it. Retrieved . wikidata.org.
  3. [4] ↑ . www.accademiadellescienze.it. Retrieved . wikidata.org.
  4. [50] ↑ . BnF authorities. Retrieved . wikidata.org.
  5. [11] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  6. [12] ↑ . wikidata.org.
  7. [21] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  8. [13] ↑ . wikidata.org.
  9. [14] ↑ . wikidata.org.
  10. [15] ↑ . wikidata.org.
  11. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [17] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  13. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  14. [6] ↑ . wikidata.org.
  15. [7] ↑ . list of professors at Collège de France. wikidata.org.
  16. [8] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  17. [18] ↑ . list of professors at Collège de France. wikidata.org.
  18. [19] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  19. [20] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  20. [31] ↑ . Persée. ras.ru. Provenance: wikidata.org.
  21. [32] ↑ . wikidata.org.
  22. [33] ↑ . Persée. wikidata.org.
  23. [34] ↑ . Complete List of Royal Society Fellows 1660-2007. wikidata.org.
  24. [35] ↑ . wikidata.org.
  25. [36] ↑ . Persée. wikidata.org.
  26. [22] ↑ . wikidata.org.
  27. [51] ↑ . Mathematics Genealogy Project. wikidata.org.
  28. [52] ↑ . Mathematics Genealogy Project. wikidata.org.
  29. [53] ↑ . Mathematics Genealogy Project. wikidata.org.
  30. [54] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [55] ↑ . Mathematics Genealogy Project. wikidata.org.
  32. [56] ↑ . Mathematics Genealogy Project. wikidata.org.
  33. [57] ↑ . Mathematics Genealogy Project. wikidata.org.
  34. [58] ↑ . Mathematics Genealogy Project. wikidata.org.
  35. [59] ↑ . Mathematics Genealogy Project. wikidata.org.
  36. [60] ↑ . Mathematics Genealogy Project. wikidata.org.
  37. [61] ↑ . wikidata.org.
  38. [37] ↑ . wikidata.org.
  39. [38] ↑ . wikidata.org.
  40. [39] ↑ . wikidata.org.
  41. [40] ↑ . wikidata.org.
  42. [41] ↑ . ras.ru. ras.ru. Provenance: wikidata.org.
  43. [42] ↑ . wikidata.org.
  44. [43] ↑ . wikidata.org.
  45. [44] ↑ . Retrieved . wikidata.org.
  46. [45] ↑ . wikidata.org.
  47. [46] ↑ . wikidata.org.
  48. [47] ↑ . www.accademiadellescienze.it. Retrieved . wikidata.org.
  49. [48] ↑ . wikidata.org.
  50. [49] ↑ . wikidata.org.
  51. [1] ↑ . BnF authorities. Retrieved . wikidata.org.
  52. [3] ↑ . BnF authorities. Retrieved . wikidata.org.
  53. [62] ↑ . wikidata.org.
  54. [63] ↑ . wikidata.org.
  55. [64] ↑ . wikidata.org.
  56. [23] ↑ . wikidata.org.
  57. [24] ↑ . wikidata.org.
  58. [25] ↑ . wikidata.org.
  59. [26] ↑ . wikidata.org.
  60. [27] ↑ . wikidata.org.
  61. [28] ↑ . wikidata.org.
  62. [29] ↑ . wikidata.org.
  63. [30] ↑ . wikidata.org.
  64. [65] ↑ . Mathematics Genealogy Project. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [68] ↑ . wikidata.org. → on this site
  2. [69] ↑ . wikidata.org. → on this site
  3. [70] ↑ . wikidata.org. → on this site
  4. [76] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [71] ↑ . Wikidata. wikidata.org. → on this site
  2. [72] ↑ . Wikidata. wikidata.org. → on this site
  3. [73] ↑ . Wikidata. wikidata.org. → on this site
  4. [74] ↑ . Wikidata. wikidata.org. → on this site
  5. [75] ↑ . Wikidata. wikidata.org. → on this site
  6. [77] ↑ . Wikidata. wikidata.org. → on this site
  7. [78] ↑ . Wikidata. wikidata.org. → on this site
  8. [79] ↑ . Wikidata. wikidata.org. → on this site
  9. [80] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [66] ↑ . Wikidata sitelinks. wikidata.org.
  3. [67] ↑ . Wikidata aliases. wikidata.org.

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 20h ago · Frettiebot bot · 2026-10-15 view diff on Wikidata ↗
    Field of work → mathematical analysis, partial differential equation, topology +2
    Wikipedia languages → ['ar', 'arz', 'be', 'ca', 'commons', 'cs', 'de', 'el', 'en', 'eo', 'es', 'fr', '
    Occupation → mathematician, topologist, professor +1
    Accademia nazionale dei lincei id → 1317-leray-jean
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-add:0||2 */ Update NK ČR – P106, P101"
  2. 15w ago · Daieuxetdailleurs · 2026-06-28 view diff on Wikidata ↗
    Francearchives agent id → 301156102
    "/* wbcreateclaim-create:1| */ Francearchives agent id: 301156102, #quickstatements; #temporary_batch_1782644922236"
  3. 21w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Notable work → degree of an analytic mapping, Leray-Schauder-Alternative, Théorème du point fixe de Leray-Schauder +5
    Place of detention → Oflag XVII-A
    Given name → Jean
    Field of work → mathematical analysis, partial differential equation, topology +2
    + 33 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32086|batch #32086]]: import P21 and P106 from GND (28)"
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