Ernst Leonard Lindelöf

Finnish mathematician who made contributions in real/complex analysis and topology (1870–1946)
Person human Q924443
Ernst Leonard Lindelöf
Daniel Nyblin · Public Domain · Wikimedia
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Summary

Ernst Leonard Lindelöf is a human[1]. His place of birth was Helsinki[2]. He was born on March 7, 1870[3]. He died in Helsinki[4]. He died on June 4, 1946[5]. He worked as a mathematician[6], topologist[7], and university teacher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (235 views/month, #7,266 of 1,000,298).[9]

Key Facts

  • Ernst Leonard Lindelöf was born in Helsinki[2].
  • Ernst Leonard Lindelöf passed away in Helsinki[4].
  • Ernst Leonard Lindelöf was born on March 7, 1870[3].
  • Ernst Leonard Lindelöf died on June 4, 1946[5].
  • Burial took place at Hietaniemi cemetery[10].
  • Ernst Leonard Lindelöf's father was Lorenz Lindelöf[11].
  • Ernst Leonard Lindelöf held citizenship in Grand Duchy of Finland[12].
  • Ernst Leonard Lindelöf held citizenship in Finland[13].
  • Swedish was Ernst Leonard Lindelöf's native language[14].
  • Ernst Leonard Lindelöf worked as a mathematician[6].
  • Ernst Leonard Lindelöf's professions included topologist[7].
  • Ernst Leonard Lindelöf worked as a university teacher[8].
  • Ernst Leonard Lindelöf's field of work was topology[15].
  • Among Ernst Leonard Lindelöf's employers was University of Helsinki[16].
  • Ernst Leonard Lindelöf's education included a stint at University of Helsinki[17].
  • Ernst Leonard Lindelöf's education included a stint at University of Göttingen[18].
  • Ernst Leonard Lindelöf was educated at Stockholm University[19].
  • Ernst Leonard Lindelöf's education included a stint at University of Paris[20].
  • Ernst Leonard Lindelöf's doctoral advisor was Hjalmar Mellin[21].
  • A notable work attributed to Ernst Leonard Lindelöf is Phragmén–Lindelöf principle[22].
  • A notable work attributed to Ernst Leonard Lindelöf is Lindelöf hypothesis[23].
  • A notable work attributed to Ernst Leonard Lindelöf is Picard–Lindelöf theorem[24].
  • A notable work attributed to Ernst Leonard Lindelöf is Lindelöf space[25].
  • A notable work attributed to Ernst Leonard Lindelöf is Lindelöf's theorem[26].
  • A notable work attributed to Ernst Leonard Lindelöf is Lindelöf's theorem[27].

Body

Origins and Family

Ernst Leonard Lindelöf's place of birth was Helsinki[2]. He was born on March 7, 1870[3]. His father was Lorenz Lindelöf[11]. Swedish was his native language[14].

Education

Educated at University of Helsinki[17], a public university[28], in Finland[29], founded in 1640[30], headquartered in University of Helsinki main building[31]; University of Göttingen[18], a campus university[32], in Germany[33], founded in 1734[34], headquartered in Göttingen[35]; Stockholm University[19], a public university[36], in Sweden[37], founded in 1878[38], headquartered in Stockholm[39]; and University of Paris[20], a former entity[40], in France[41], founded in 1150[42], headquartered in Paris[43]. Ernst Leonard Lindelöf's doctoral advisor was Hjalmar Mellin[21].

Career and Affiliations

Recorded occupations include mathematician[6], topologist[7], and university teacher[8]. Ernst Leonard Lindelöf's field of work was topology[15]. Among his employers was University of Helsinki[16]. Doctoral students include Pekka Myrberg[44], a mathematician[45], 1892–1976[46], of Finland[47], awarded the Knight First Class of the Order of the White Rose of Finland[48], specialised in mathematics[49]; Lars Ahlfors[50], a mathematician[51], 1907–1996[52], of Russian Empire[53], awarded the Wolf Prize in Mathematics[54], specialised in mathematical analysis[55]; Gunnar af Hällström[56], a mathematician[57], 1908–1964[58], of Finland[59], specialised in mathematics[60]; Felix Iversen[61], a mathematician[62], 1887–1973[63], of Finland[64], awarded the International Stalin Prize for Peace[65], specialised in mathematics[66]; Gustaf Järnefelt[67], an astronomer[68], 1901–1989[69], of Finland[70], specialised in astronomy[71]; and Ensio Kivikoski[72], a mathematician[73], 1891–1973[74], of Finland[75], specialised in mathematics[76].

Works and Contributions

Notable works include Phragmén–Lindelöf principle[22], Lindelöf hypothesis[23], Picard–Lindelöf theorem[24], Lindelöf space[25], and Lindelöf's theorem[26]. Things named for Ernst Leonard Lindelöf include Picard–Lindelöf theorem[77], Lindelöf space[78], Lindelöf hypothesis[79], Phragmén–Lindelöf principle[80], Lindelöf's lemma[81], 1407 Lindelöf[82], and Ernst Lindelöf award[83].

Recognition

Awards received include Grand Cross of the Order of the White Rose of Finland[84], a grade of an order[85], in Finland[86], founded in 1919[87]; Order of Saint Anna, 3rd class[88], a grade of an order[89], in Russian Empire[90]; and Knight of the Order of the Polar Star[91], a grade of an order[92], in Sweden[93].

Death and Burial

Ernst Leonard Lindelöf died on June 4, 1946[5]. He passed away in Helsinki[4]. He is buried at Hietaniemi cemetery[10].

Why It Matters

Ernst Leonard Lindelöf ranks in the top 0.73% of human entities by monthly Wikipedia readership (235 views/month, #7,266 of 1,000,298).[9] He has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[94] He is known by 19 alternative names across languages and contexts.[95]

He is credited with the discovery of Phragmén–Lindelöf principle[96], a theorem[97]. Entities named for him include Picard–Lindelöf theorem[77], Lindelöf space[78], Lindelöf hypothesis[79], Phragmén–Lindelöf principle[80], Lindelöf's lemma[81], and 1407 Lindelöf[82].

His notable doctoral advisees include Lars Ahlfors[98], a mathematician[99], 1907–1996[100], of Russian Empire[101], awarded the Wolf Prize in Mathematics[102], specialised in mathematical analysis[103]; Rolf Nevanlinna[104], a mathematician[105], 1895–1980[106], of Finland[107], awarded the Wihuri International Prize[108], specialised in mathematics[109]; Vilho Väisälä[110], a physicist[111], 1889–1969[112], of Finland[113], awarded the Commander of the Order of the White Rose of Finland[114], specialised in meteorology[115]; Frithiof Nevanlinna[116], a mathematician[117], 1894–1977[118], of Finland[119], awarded the Commander of the Order of the White Rose of Finland[120], specialised in mathematics[121]; Felix Iversen[122], a mathematician[123], 1887–1973[124], of Finland[125], awarded the International Stalin Prize for Peace[126], specialised in mathematics[127]; and Pekka Myrberg[128], a mathematician[129], 1892–1976[130], of Finland[131], awarded the Knight First Class of the Order of the White Rose of Finland[132], specialised in mathematics[133].

FAQs

Where was Ernst Leonard Lindelöf born?

Born in Helsinki[2].

Where did Ernst Leonard Lindelöf die?

Ernst Leonard Lindelöf passed away in Helsinki[4].

Who were Ernst Leonard Lindelöf's parents?

Ernst Leonard Lindelöf's father was Lorenz Lindelöf[11].

What did Ernst Leonard Lindelöf do for work?

Ernst Leonard Lindelöf worked as mathematician[6], topologist[7], and university teacher[8].

Where did Ernst Leonard Lindelöf go to school?

Ernst Leonard Lindelöf was educated at University of Helsinki[17], University of Göttingen[18], Stockholm University[19], and University of Paris[20].

What awards did Ernst Leonard Lindelöf receive?

Honors received include Grand Cross of the Order of the White Rose of Finland[84], Order of Saint Anna, 3rd class[88], and Knight of the Order of the Polar Star[91].

What did Ernst Leonard Lindelöf discover?

Ernst Leonard Lindelöf is credited as discoverer of Phragmén–Lindelöf principle[96].

References

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Direct Wikidata claims

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Class ancestry

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Aggregate / graph-position facts

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  2. [94] ↑ . Wikidata sitelinks. wikidata.org.
  3. [95] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Ernst Leonard Lindelöf. Retrieved October 13, 2026, from https://4ort.xyz/entity/ernst-leonard-lindel-f
MLA “Ernst Leonard Lindelöf.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/ernst-leonard-lindel-f.
BibTeX @misc{4ortxyz_ernst-leonard-lindel-f_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ernst Leonard Lindelöf}}, year = {2026}, url = {https://4ort.xyz/entity/ernst-leonard-lindel-f}, note = {Accessed: 2026-10-13}}
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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. 26d ago · Ferran Mir · 2026-09-19 view diff on Wikidata ↗
    Image → Ernst-Lindelof.jpg, Ernst Lindelöf portrait late 1930s.tif, Ernst Lindelöf by Sjöström.jpeg
    Notable work → Phragmén–Lindelöf principle, Lindelöf hypothesis, Picard–Lindelöf theorem +3
    Find a grave memorial id → 114117805
    Educated at → University of Helsinki, University of Göttingen, Stockholm University +1
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|5 */ Academic thesis: Q65649003"
  2. 26d ago · Ferran Mir · 2026-09-19 view diff on Wikidata ↗
    Different from → Ernst Lindelöf
    "/* wbsetclaim-create:2||1 */ Different from: Ernst Lindelöf"
  3. 16w ago · Robertsilen · 2026-06-23 view diff on Wikidata ↗
    Instrument → violin
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/38032|batch #38032]]: instrument P1303, från blf.fi"
  4. 16w ago · Robertsilen · 2026-06-20 view diff on Wikidata ↗
    Significant person → Lars Edvard Phragmén
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/37449|batch #37449]]: viktig person P3342 med roll P3831; tolkat ur artiklar vid blf.fi; släktskap/lärare exkluderade; batch #"
  5. 17w ago · Robertsilen · 2026-06-14 view diff on Wikidata ↗
    Student → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36495|batch #36495]]: P1066 student till, blf.fi, inverse"
  6. 17w ago · Robertsilen · 2026-06-14 view diff on Wikidata ↗
    Student → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/36432|batch #36432]]"
  7. 21w ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Employer → University of Helsinki
    Member of → —
    Described by source → Brockhaus and Efron Encyclopedic Dictionary
    Sibling → Uno Lindelöf, Carl Lindelöf
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32154|batch #32154]]: import P21 and P106 from GND (36)"
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