User N. Virgo - Mathematics Stack Exchange

164 votes

Why is the Penrose triangle "impossible"?

answered Jul 3, 2020 at 8:34

19 votes

In what sense is the Jeffreys prior invariant?

answered Sep 17, 2015 at 5:03

12 votes

Interpretation for the determinant of a stochastic matrix?

answered Sep 25, 2014 at 4:26

11 votes

Are Legendre transforms of non-convex functions useful?

answered Oct 11, 2013 at 6:53

8 votes

Applications of information geometry to the natural sciences

answered Jun 21, 2018 at 6:50

8 votes

What is the frequentist's Bayesian prior for a coin with unknown bias

answered Jun 9 at 3:16

7 votes

Explanation of Aumann's "agreeing to disagree" in modern notation

answered Jul 23, 2016 at 1:14

5 votes

Transforming from a simplex in 4 dimensions to a 3D tetrahedron

answered Jul 24, 2017 at 9:17

5 votes

Accepted

The naive exercise of defining (small) categories inside Zermelo's Set Theory, on purpose

answered Apr 9, 2023 at 3:48

5 votes

Accepted

Is there a category of partially defined binary operations?

answered Dec 9, 2020 at 10:49

4 votes

Accepted

Why is the preservation of identities a funtoriality axiom?

answered May 18, 2022 at 7:33

4 votes

Accepted

Is there a name for this matrix product?

answered Apr 2, 2016 at 1:45

4 votes

Accepted

Clarification about the product $A \times A$

answered Mar 2, 2020 at 9:17

4 votes

Independence of conditional random variables

answered Apr 29, 2013 at 6:31

4 votes

Accepted

Can a unitary matrix be constructed from any doubly stochastic matrix?

answered Jan 7, 2014 at 11:43

3 votes

Connections between the solution of simple ordinary equation, normal distribution and heat equation

answered Jan 9, 2015 at 10:49

3 votes

Accepted

How to see that a one-object pre-additive category is a ring?

answered Dec 16, 2017 at 5:44

3 votes

Correct notion of "sameness" for objects in a category

answered Mar 18, 2020 at 12:05

3 votes

Categorical Time

answered Dec 1, 2020 at 1:30

3 votes

A name for morphisms with the same source object

answered Oct 5, 2023 at 11:38

2 votes

Accepted

Order theory from categorical point of view

answered Mar 20, 2022 at 2:12

2 votes

Introduction to category theory with examples in probability/statistics

answered Mar 25, 2020 at 10:14

2 votes

Accepted

How to solve this infinite set of equations?

answered Jan 14, 2014 at 9:47

1 vote

Ordinals in category theory?

answered Mar 6, 2020 at 19:06

1 vote

Uniform probability distributions in the category of stochastic maps

answered Feb 14, 2020 at 1:47

1 vote

Do the set of all factorisable distributions form an exponential family?

answered Oct 28, 2017 at 8:17

1 vote

Accepted

Does the matrix exponential have this convexity property?

answered Mar 21, 2017 at 7:13

1 vote

Does the category of finite stochastic maps hold the empty set?

answered May 29, 2021 at 13:25

1 vote

Enriched category has to be locally small

answered Dec 2, 2020 at 7:45

1 vote

Accepted

I don't understand the string diagram of hypergraphs, can someone explain?

answered Jan 22 at 5:45

Stack Exchange Network

34 Answers

Why is the Penrose triangle "impossible"?

In what sense is the Jeffreys prior invariant?

Interpretation for the determinant of a stochastic matrix?

Are Legendre transforms of non-convex functions useful?

Applications of information geometry to the natural sciences

What is the frequentist's Bayesian prior for a coin with unknown bias

Explanation of Aumann's "agreeing to disagree" in modern notation

Transforming from a simplex in 4 dimensions to a 3D tetrahedron

The naive exercise of defining (small) categories inside Zermelo's Set Theory, on purpose

Is there a category of partially defined binary operations?

Why is the preservation of identities a funtoriality axiom?

Is there a name for this matrix product?

Clarification about the product $A \times A$

Independence of conditional random variables

Can a unitary matrix be constructed from any doubly stochastic matrix?

Connections between the solution of simple ordinary equation, normal distribution and heat equation

How to see that a one-object pre-additive category is a ring?

Correct notion of "sameness" for objects in a category

Categorical Time

A name for morphisms with the same source object

Order theory from categorical point of view

Introduction to category theory with examples in probability/statistics

How to solve this infinite set of equations?

Ordinals in category theory?

Uniform probability distributions in the category of stochastic maps

Do the set of all factorisable distributions form an exponential family?

Does the matrix exponential have this convexity property?

Does the category of finite stochastic maps hold the empty set?

Enriched category has to be locally small

I don't understand the string diagram of hypergraphs, can someone explain?