Mathematics Atlas

How Proof Is Made
Sign In
Text size
100%
Theme
Mathematician

Augustin-Louis Cauchy

koh-SHEE
Modern
Converging Sequence in a Narrowing Band

Augustin-Louis Cauchy was a French mathematician who was one of the first to rigorously state and prove the key theorems of calculus, thereby creating real analysis, and who also pioneered complex analysis and made substantial contributions to mathematical physics, particularly in continuum mechanics. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Birth Date
1789-08-21 1
Birth Year
1789 1
Death Date
1857-05-23 1
Death Year
1857 1
Birthplace
Paris, France 1
Death Place
Sceaux, France 1
Nationality / Culture
French 1
Defining Contribution
Cauchy stated and proved the mean value theorem in its modern general form in 1823, and gave the modern formulation of the intermediate value theorem with a proof in 1821. 2
Award
Grand Prize of the French Academy of Sciences (1816); elected to the Academie des Sciences (1816); created Baron (1838); one of 72 names inscribed on the Eiffel Tower. 1
Biography
Gender
Male 1
Connections

Associated With

Continuity, Concepts
Source Augustin-Louis Cauchy (Wikipedia)

In Branch

Source Complex Analysis (Wikipedia)

Namesake Of

Derived from the object's own name (unambiguous possessive-token match to exactly one live mathematician entity, w-bfill-g5-0924 browse backfill)

Derived from the theorem's own name (unambiguous possessive-token match to exactly one live mathematician entity, w-bfill-g5-0924 browse backfill)

Derived from the theorem's own name (unambiguous possessive-token match to exactly one live mathematician entity, w-bfill-g5-0924 browse backfill)

Proofs Credited

Cauchy gave the modern formulation independently, a few years after Bolzano's original proof.

Source Intermediate Value Theorem (Wikipedia)
Source Mean Value Theorem (Wikipedia)
In the Other Atlases
Sources
1. Augustin-Louis Cauchy (Wikipedia)
Wikimedia Foundation
  • lead paragraph
    He was one of the first to rigorously state and prove the key theorems of calculus (thereby creating real analysis)
  • infobox
    French mathematician
  • infobox IPA
    French pronunciation: [oɡystɛ̃ lwi koʃi]; English: UK: /ˈkoʊʃi/
  • Awards/Honors section
    Grand Prize of L'Academie Royale des Sciences
  • Lead section, gender reference
    He was one of the first to rigorously state and prove the key theorems of calculus, pioneered the field of complex analysis, and the study of permutation groups in abstract algebra.
View the Source
2. Mean Value Theorem (Wikipedia)
Wikimedia FoundationHistory section
Quote, History section
The mean value theorem in its modern form was stated and proved by Augustin Louis Cauchy in 1823
View the Source
Intermediate Value Theorem (Wikipedia)
Wikimedia FoundationProofs Credited: Intermediate Value Theorem, History section
Quote, Proofs Credited: Intermediate Value Theorem, History section
Augustin-Louis Cauchy provided the modern formulation and a proof in 1821.
View the Source
Complex Analysis (Wikipedia)
WikipediaIn Branch: Complex Analysis, History section
Quote, In Branch: Complex Analysis, History section
Important mathematicians associated with complex numbers include Euler, Gauss, Riemann, Cauchy, Weierstrass, and many more in the 20th century.
View the Source

Take a Related Quiz

Comments (0)
No comments yet. Be the first to share a thought.
Reader Challenges (0)
No disputes yet. Spotted an error or a better source? Open the first one.