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What rigorous mathematical theorems has Edward Witten discovered?


What is mathematical equation of the Gravitational force between three objects?In what ways has physics spurred the invention of new mathematical tools?Guidance regarding research in Mathematical PhysicsWhat is a good reference for rigorous Electromagnetism and Electrodynamics?What is the mathematical understanding behind what physicists call a gauge fixing?A space more fundamental than Euclidean spaceA text that can accompany this Course on “Geometry for theoretical physics”What are the mathematical foundations of the renormalisation group?Was von Neumann's 1954 ICM address “Unsolved Problems in Mathematics” outdated?Intuitionism and theoretical physics













4












$begingroup$


I read that Ed Witten's 1990 Fields Medal was somewhat controversial among mathematicians, because even though no one questioned his deep conceptual understanding of important new mathematical ideas, his work was not considered rigorous enough to deserve the medal. For example, Wikipedia claims that




Witten's work [on Chern-Simons theory and topological quantum field theory] was based on the mathematically ill-defined notion of a Feynman path integral and was therefore not mathematically rigorous, [although] mathematicians were [later] able to systematically develop Witten's ideas.




Moreover, the actual discovery that his Fields Medal nominally awarded was an innovative new simpler proof of the positive energy theorem, which had already been proven.



What are some examples of theorems that Witten discovered that were not previously known, such that there is consensus across the mathematical community that (a) the hypothesis and conclusion of the theorem are completely and unambiguously mathematically well-posed and (b) the proof is completely mathematically rigorous?



Edit: I don't mean theorems that Witten proposed non-rigorously which were then later made rigorous by mathematicians (of which there are many). I mean theorems for which Witten himself provided the rigorous version. (I know there are eternal philosophical debates between mathematicians about the relative importance of imprecise conjectures vs. precise conjectures vs. rigorous proofs for statements that end up being correct. But presumably both correctness and proof are important for the kind of work that the Fields Medal's purpose is to recognize.)










share|cite|improve this question











$endgroup$











  • $begingroup$
    @MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:03










  • $begingroup$
    Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
    $endgroup$
    – Michael Hardy
    Jun 2 '18 at 2:43










  • $begingroup$
    @MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:44











  • $begingroup$
    @MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:46
















4












$begingroup$


I read that Ed Witten's 1990 Fields Medal was somewhat controversial among mathematicians, because even though no one questioned his deep conceptual understanding of important new mathematical ideas, his work was not considered rigorous enough to deserve the medal. For example, Wikipedia claims that




Witten's work [on Chern-Simons theory and topological quantum field theory] was based on the mathematically ill-defined notion of a Feynman path integral and was therefore not mathematically rigorous, [although] mathematicians were [later] able to systematically develop Witten's ideas.




Moreover, the actual discovery that his Fields Medal nominally awarded was an innovative new simpler proof of the positive energy theorem, which had already been proven.



What are some examples of theorems that Witten discovered that were not previously known, such that there is consensus across the mathematical community that (a) the hypothesis and conclusion of the theorem are completely and unambiguously mathematically well-posed and (b) the proof is completely mathematically rigorous?



Edit: I don't mean theorems that Witten proposed non-rigorously which were then later made rigorous by mathematicians (of which there are many). I mean theorems for which Witten himself provided the rigorous version. (I know there are eternal philosophical debates between mathematicians about the relative importance of imprecise conjectures vs. precise conjectures vs. rigorous proofs for statements that end up being correct. But presumably both correctness and proof are important for the kind of work that the Fields Medal's purpose is to recognize.)










share|cite|improve this question











$endgroup$











  • $begingroup$
    @MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:03










  • $begingroup$
    Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
    $endgroup$
    – Michael Hardy
    Jun 2 '18 at 2:43










  • $begingroup$
    @MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:44











  • $begingroup$
    @MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:46














4












4








4


2



$begingroup$


I read that Ed Witten's 1990 Fields Medal was somewhat controversial among mathematicians, because even though no one questioned his deep conceptual understanding of important new mathematical ideas, his work was not considered rigorous enough to deserve the medal. For example, Wikipedia claims that




Witten's work [on Chern-Simons theory and topological quantum field theory] was based on the mathematically ill-defined notion of a Feynman path integral and was therefore not mathematically rigorous, [although] mathematicians were [later] able to systematically develop Witten's ideas.




Moreover, the actual discovery that his Fields Medal nominally awarded was an innovative new simpler proof of the positive energy theorem, which had already been proven.



What are some examples of theorems that Witten discovered that were not previously known, such that there is consensus across the mathematical community that (a) the hypothesis and conclusion of the theorem are completely and unambiguously mathematically well-posed and (b) the proof is completely mathematically rigorous?



Edit: I don't mean theorems that Witten proposed non-rigorously which were then later made rigorous by mathematicians (of which there are many). I mean theorems for which Witten himself provided the rigorous version. (I know there are eternal philosophical debates between mathematicians about the relative importance of imprecise conjectures vs. precise conjectures vs. rigorous proofs for statements that end up being correct. But presumably both correctness and proof are important for the kind of work that the Fields Medal's purpose is to recognize.)










share|cite|improve this question











$endgroup$




I read that Ed Witten's 1990 Fields Medal was somewhat controversial among mathematicians, because even though no one questioned his deep conceptual understanding of important new mathematical ideas, his work was not considered rigorous enough to deserve the medal. For example, Wikipedia claims that




Witten's work [on Chern-Simons theory and topological quantum field theory] was based on the mathematically ill-defined notion of a Feynman path integral and was therefore not mathematically rigorous, [although] mathematicians were [later] able to systematically develop Witten's ideas.




Moreover, the actual discovery that his Fields Medal nominally awarded was an innovative new simpler proof of the positive energy theorem, which had already been proven.



What are some examples of theorems that Witten discovered that were not previously known, such that there is consensus across the mathematical community that (a) the hypothesis and conclusion of the theorem are completely and unambiguously mathematically well-posed and (b) the proof is completely mathematically rigorous?



Edit: I don't mean theorems that Witten proposed non-rigorously which were then later made rigorous by mathematicians (of which there are many). I mean theorems for which Witten himself provided the rigorous version. (I know there are eternal philosophical debates between mathematicians about the relative importance of imprecise conjectures vs. precise conjectures vs. rigorous proofs for statements that end up being correct. But presumably both correctness and proof are important for the kind of work that the Fields Medal's purpose is to recognize.)







mathematical-physics quantum-field-theory gauge-theory topological-quantum-field-theory






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Mar 11 at 19:48









Andrews

1,2691421




1,2691421










asked Jun 1 '18 at 18:39









tparkertparker

1,926834




1,926834











  • $begingroup$
    @MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:03










  • $begingroup$
    Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
    $endgroup$
    – Michael Hardy
    Jun 2 '18 at 2:43










  • $begingroup$
    @MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:44











  • $begingroup$
    @MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:46

















  • $begingroup$
    @MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:03










  • $begingroup$
    Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
    $endgroup$
    – Michael Hardy
    Jun 2 '18 at 2:43










  • $begingroup$
    @MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:44











  • $begingroup$
    @MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
    $endgroup$
    – tparker
    Jun 2 '18 at 3:46
















$begingroup$
@MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
$endgroup$
– tparker
Jun 1 '18 at 23:03




$begingroup$
@MichaelHardy Style guides discourage using en dashes (used for sentence breaks or number ranges) rather than hyphens to join proper names together, so I rolled back your edit.
$endgroup$
– tparker
Jun 1 '18 at 23:03












$begingroup$
Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
$endgroup$
– Michael Hardy
Jun 2 '18 at 2:43




$begingroup$
Which style guides? Wikipedia's manual of style requires that usage. So does the Pacific Journal of Mathematics.
$endgroup$
– Michael Hardy
Jun 2 '18 at 2:43












$begingroup$
@MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
$endgroup$
– tparker
Jun 2 '18 at 3:44





$begingroup$
@MichaelHardy The Chicago Manual of Style specifies that a hyphen should be used in the phrase "Michelson-Morley experiment", which is remarkably parallel to "Chern-Simons theory". Most online sources that I found recommend limiting en dashes to numerical ranges and a few more obscure cases; Wikipedia's style guidlines seem to be represent a small minority position.
$endgroup$
– tparker
Jun 2 '18 at 3:44













$begingroup$
@MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
$endgroup$
– tparker
Jun 2 '18 at 3:46





$begingroup$
@MichaelHardy But I don't feel strongly about it - if you want to roll back to v2 then I won't reroll back to v1.
$endgroup$
– tparker
Jun 2 '18 at 3:46











1 Answer
1






active

oldest

votes


















7












$begingroup$

Let a famous mathematician answer this question on the contributions of Edward Witten: On the work of Edward Witten, by Michael Atiyah.






share|cite|improve this answer









$endgroup$








  • 1




    $begingroup$
    I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:16






  • 1




    $begingroup$
    I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
    $endgroup$
    – Dietrich Burde
    Jun 2 '18 at 8:11










Your Answer





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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









7












$begingroup$

Let a famous mathematician answer this question on the contributions of Edward Witten: On the work of Edward Witten, by Michael Atiyah.






share|cite|improve this answer









$endgroup$








  • 1




    $begingroup$
    I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:16






  • 1




    $begingroup$
    I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
    $endgroup$
    – Dietrich Burde
    Jun 2 '18 at 8:11















7












$begingroup$

Let a famous mathematician answer this question on the contributions of Edward Witten: On the work of Edward Witten, by Michael Atiyah.






share|cite|improve this answer









$endgroup$








  • 1




    $begingroup$
    I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:16






  • 1




    $begingroup$
    I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
    $endgroup$
    – Dietrich Burde
    Jun 2 '18 at 8:11













7












7








7





$begingroup$

Let a famous mathematician answer this question on the contributions of Edward Witten: On the work of Edward Witten, by Michael Atiyah.






share|cite|improve this answer









$endgroup$



Let a famous mathematician answer this question on the contributions of Edward Witten: On the work of Edward Witten, by Michael Atiyah.







share|cite|improve this answer












share|cite|improve this answer



share|cite|improve this answer










answered Jun 1 '18 at 18:45









Dietrich BurdeDietrich Burde

80.7k647104




80.7k647104







  • 1




    $begingroup$
    I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:16






  • 1




    $begingroup$
    I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
    $endgroup$
    – Dietrich Burde
    Jun 2 '18 at 8:11












  • 1




    $begingroup$
    I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
    $endgroup$
    – tparker
    Jun 1 '18 at 23:16






  • 1




    $begingroup$
    I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
    $endgroup$
    – Dietrich Burde
    Jun 2 '18 at 8:11







1




1




$begingroup$
I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
$endgroup$
– tparker
Jun 1 '18 at 23:16




$begingroup$
I don't think this really addresses my question because it doesn't specify the mathematical rigor of Witten's various results, which is the main point of my question. The article uses the word "rigorous" six times. Three of the uses specifically refer to (other) mathematicians' later formalizations of Witten's rough ideas. The other three are more ambiguous (e.g. "rigorous proofs ... have always been forthcoming"), but as far as I can tell do as well.
$endgroup$
– tparker
Jun 1 '18 at 23:16




1




1




$begingroup$
I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
$endgroup$
– Dietrich Burde
Jun 2 '18 at 8:11




$begingroup$
I think, Atiyah clearly discusses and answers the question about the mathematical rigour. This is a main point to justify for awarding the Fields Medal in Mathematics.
$endgroup$
– Dietrich Burde
Jun 2 '18 at 8:11

















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