User Pedro Lauridsen Ribeiro

26 votes

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Hilbert's sixth problem and QFT description

answered Mar 2 at 3:39

26 votes

Who says understanding physics helps mathematicians? (A reference request) [Take the word "who" literally.]

answered May 19 at 21:42

21 votes

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QFT and mathematical rigor

answered May 26, 2021 at 23:17

20 votes

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Functional approach vs jet approach to Lagrangian field theory

answered Dec 27, 2019 at 22:04

17 votes

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References request: constructive quantum field theory

answered Jan 20, 2014 at 1:00

16 votes

Is there a class of optimization problems more general than semidefinite programming?

answered Feb 22, 2016 at 20:28

16 votes

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Rigorous construction of fermionic field theory?

answered May 26, 2021 at 20:56

15 votes

History and motivation for Tannaka, Krein, Grothendieck, Deligne et al. works on Tannaka-Krein theory?

answered Jan 18, 2014 at 15:23

15 votes

Examples of using physical intuition to solve math problems

answered Sep 7, 2011 at 22:16

14 votes

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Abstract result on partitions of unity?

answered May 20, 2016 at 21:35

14 votes

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Is the set of Lorentzian metrics metrizable?

answered Oct 24, 2018 at 3:27

13 votes

Why don't we study hyperbolic equations as elliptic and parabolic equations?

answered May 6, 2022 at 1:52

13 votes

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C*-algebras and quantum fields

answered Aug 16, 2013 at 1:11

12 votes

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Universal unital $C^*$ algebra generated by the relations of an n by n projection

answered Jun 4, 2014 at 20:32

12 votes

Poincare lemma for non-smooth differentiable forms

answered Sep 14, 2014 at 19:51

12 votes

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How unique is a conformal compactification?

answered Apr 13, 2013 at 19:48

12 votes

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Duality between topology and bornology

answered May 12, 2016 at 6:18

12 votes

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Symmetric and anti-symmetric parts of the covariant derivative of a connection

answered Nov 27, 2019 at 7:47

12 votes

Why does Riesz's Representation Theorem apply in quantum mechanics?

answered Feb 1, 2021 at 23:20

12 votes

Nice applications for Schwartz distributions

answered Jan 18, 2017 at 1:54

12 votes

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Question on Lorentzian geometry

answered Nov 28 at 19:31

11 votes

Derivatives of $C^{\infty}$ non analytic function

answered Dec 7, 2016 at 1:38

11 votes

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Do locally convex topological vector spaces embed into diffeological spaces?

answered Jun 15, 2015 at 5:36

10 votes

Physical meaning of the Lebesgue measure

answered May 6, 2016 at 15:58

10 votes

What mathematical treatment is there on the renormalization group flow in a space of Lagrangians?

answered Sep 7, 2011 at 21:53

10 votes

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Is the space of tempered distribution second countable?

answered Feb 10, 2014 at 15:11

10 votes

Old books you would like to have reprinted with high-quality typesetting

answered Dec 18, 2018 at 1:49

9 votes

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Are locally compact, Hausdorff, locally path-connected topological groups locally Euclidean?

answered Mar 8, 2021 at 1:43

9 votes

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Initial conditions in the Klein-Gordon equation

answered Apr 26, 2021 at 1:07

9 votes

How should I understand the "$C^\infty$ functions" whose domain is the dual of $C^\infty(\mathbb{R}^n)$?

answered Aug 26, 2022 at 7:37

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90 Answers

Hilbert's sixth problem and QFT description

Who says understanding physics helps mathematicians? (A reference request) [Take the word "who" literally.]

QFT and mathematical rigor

Functional approach vs jet approach to Lagrangian field theory

References request: constructive quantum field theory

Is there a class of optimization problems more general than semidefinite programming?

Rigorous construction of fermionic field theory?

History and motivation for Tannaka, Krein, Grothendieck, Deligne et al. works on Tannaka-Krein theory?

Examples of using physical intuition to solve math problems

Abstract result on partitions of unity?

Is the set of Lorentzian metrics metrizable?

Why don't we study hyperbolic equations as elliptic and parabolic equations?

C*-algebras and quantum fields

Universal unital $C^*$ algebra generated by the relations of an n by n projection

Poincare lemma for non-smooth differentiable forms

How unique is a conformal compactification?

Duality between topology and bornology

Symmetric and anti-symmetric parts of the covariant derivative of a connection

Why does Riesz's Representation Theorem apply in quantum mechanics?

Nice applications for Schwartz distributions

Question on Lorentzian geometry

Derivatives of $C^{\infty}$ non analytic function

Do locally convex topological vector spaces embed into diffeological spaces?

Physical meaning of the Lebesgue measure

What mathematical treatment is there on the renormalization group flow in a space of Lagrangians?

Is the space of tempered distribution second countable?

Old books you would like to have reprinted with high-quality typesetting

Are locally compact, Hausdorff, locally path-connected topological groups locally Euclidean?

Initial conditions in the Klein-Gordon equation

How should I understand the "$C^\infty$ functions" whose domain is the dual of $C^\infty(\mathbb{R}^n)$?