User ml0105

29 votes

Powers of adjacency matrix doesn't seem to correspond to observed number of paths on graph

answered Dec 22, 2014 at 20:18

27 votes

Accepted

what are the different applications of group theory in CS?

answered Dec 31, 2016 at 2:05

20 votes

Every planar graph has a vertex of degree at most 5.

answered Apr 21, 2014 at 20:39

17 votes

In general, what techniques can be used to show that 2 groups are not isomorphic?

answered Mar 20, 2018 at 3:35

14 votes

Accepted

What is the coefficient of $x^{18}$ in the expansion of $(x+x^{2}+x^{3}+x^{4}+x^{5}+x^{6})^{4}$?

answered Jan 8, 2015 at 4:52

13 votes

Easy to read books on Graph Theory

answered Apr 19, 2014 at 16:44

12 votes

A tree has at least two leaves (proof by contradiction)

answered Mar 30, 2014 at 17:29

9 votes

Do four dimensional vectors have a cross product property?

answered Mar 21, 2014 at 6:01

9 votes

Why is it so computationally hard to determine group isomorphism?

answered Apr 17, 2022 at 6:33

8 votes

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Proof for a graph distance

answered Apr 3, 2014 at 1:32

8 votes

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Intuition and the math behind normalization

answered Apr 29, 2014 at 20:32

8 votes

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What is a Euclidean Graph? Can edges be negative in a Euclidean Graph?

answered Dec 8, 2014 at 3:12

8 votes

Generalized graph theory

answered Dec 9, 2014 at 1:31

7 votes

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Finding the eigenvalues and eigenvectors of $A^{n}$

answered Dec 23, 2014 at 21:43

7 votes

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Difference between dimension and rank of matrix

answered Jan 19, 2015 at 7:22

7 votes

Why do greedy coloring algorithms mess up?

answered May 13, 2022 at 22:26

7 votes

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Intuition behind picking group actions and Sylow

answered Feb 7, 2021 at 20:03

7 votes

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Is there an algorithm to check whether a subset generates a group?

answered Sep 18, 2022 at 8:37

6 votes

What does group theory add to the understanding of error correcting codes?

answered Jan 27, 2021 at 19:33

6 votes

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Alternative proof of : $n = \sum_{d|n} \phi(d)$ which is the sum of Euler Phi Function over Divisors

answered Dec 30, 2017 at 19:45

6 votes

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Conditionally combining vanilla and chocolate ice cream scoops

answered Dec 22, 2014 at 22:39

6 votes

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Proving number of edges in $F = n - k$

answered Nov 24, 2014 at 2:19

6 votes

How do I succinctly note the sum of $(n-1)+(n-2)+...$?

answered Nov 30, 2014 at 0:35

6 votes

Let $G$ be an Abelian group with odd order. Show that $\varphi : G \to G$ such that $\varphi(x)=x^2$ is an automorphism

answered Apr 3, 2014 at 17:44

5 votes

Accepted

What is the probability of rolling exactly 2 2's when rolling 5 dice?

answered Apr 2, 2014 at 5:07

5 votes

Proving formula for sum of squares with binomial coefficient

answered Dec 1, 2014 at 17:13

5 votes

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Prim , Kruskal or Dijkstra

answered Jan 6, 2015 at 19:37

5 votes

What are some applications of elementary linear algebra outside of math?

answered Dec 17, 2014 at 21:46

5 votes

Precise definition of Dihedral Group

answered Apr 1, 2018 at 7:15

5 votes

Is the set of all Irrational Numbers a ring or a field?

answered Apr 8, 2018 at 3:25

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696 Answers

Powers of adjacency matrix doesn't seem to correspond to observed number of paths on graph

what are the different applications of group theory in CS?

Every planar graph has a vertex of degree at most 5.

In general, what techniques can be used to show that 2 groups are not isomorphic?

What is the coefficient of $x^{18}$ in the expansion of $(x+x^{2}+x^{3}+x^{4}+x^{5}+x^{6})^{4}$?

Easy to read books on Graph Theory

A tree has at least two leaves (proof by contradiction)

Do four dimensional vectors have a cross product property?

Why is it so computationally hard to determine group isomorphism?

Proof for a graph distance

Intuition and the math behind normalization

What is a Euclidean Graph? Can edges be negative in a Euclidean Graph?

Generalized graph theory

Finding the eigenvalues and eigenvectors of $A^{n}$

Difference between dimension and rank of matrix

Why do greedy coloring algorithms mess up?

Intuition behind picking group actions and Sylow

Is there an algorithm to check whether a subset generates a group?

What does group theory add to the understanding of error correcting codes?

Alternative proof of : $n = \sum_{d|n} \phi(d)$ which is the sum of Euler Phi Function over Divisors

Conditionally combining vanilla and chocolate ice cream scoops

Proving number of edges in $F = n - k$

How do I succinctly note the sum of $(n-1)+(n-2)+...$?

Let $G$ be an Abelian group with odd order. Show that $\varphi : G \to G$ such that $\varphi(x)=x^2$ is an automorphism

What is the probability of rolling exactly 2 2's when rolling 5 dice?

Proving formula for sum of squares with binomial coefficient

Prim , Kruskal or Dijkstra

What are some applications of elementary linear algebra outside of math?

Precise definition of Dihedral Group

Is the set of all Irrational Numbers a ring or a field?