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2 votes
0 answers
66 views

A first course in abstract algebra Fraleigh 8th ed Section 5 Exercise 65

Cracker Barrel Restaurants place a puzzle called “Jump All But One Game” at each table. The puzzle starts with golf tees arranged in a triangle as in Figure 5.29a where the presence of a tee is noted ...
점시맙's user avatar
-1 votes
1 answer
63 views

About vector spaces over finite fields [closed]

I've been dabbling with matrix computations in finite fields, and I've stumbled upon a pattern that I can't understand. Perhaps someone here could shed some light on it? So, here's what's happening: ...
joeren1020's user avatar
2 votes
0 answers
76 views

Applications of group theory/abstract algebra [duplicate]

Before voting down, I would this text to be read. This is not exactly a question regarding a hint to solve an exercise of a list or an exam, but a question involving the possible utility of which is ...
Emmy N.'s user avatar
  • 1,361
1 vote
1 answer
56 views

Help in understanding this exercise (Linear Algebra)

I need some help in understanding the precise request of this exercise. Let the vectors of the plane be identified with oriented segments exiting from a fixed point, and let's identify $\mathcal{V}^2$...
Heidegger's user avatar
  • 3,482
1 vote
1 answer
49 views

How do elements in the algebraic closure of $\mathbb{Q}$ look like?

If one asks give examples of polynomial with coefficients in $\mathbb{Q}$ who don't have zeros in $Q$, simple examples given are: $x^2-3,x^3-3$. All of these have roots of form $(n)^{\frac{1}{m} }$. ...
Cathartic Encephalopathy's user avatar
1 vote
0 answers
72 views

Prove the application $\Phi$ is bijective.

I am working on a problem set and I need some assistance with an exercise. The exercise goes as follows: Let $A$ be a ring and $I \unlhd A$ an ideal. Given the natural projection $\pi : A \rightarrow ...
Phosphene's user avatar
  • 157
-1 votes
1 answer
272 views

What is the real life application of group theory other than coding and cryptography [duplicate]

What is the real life application of group theory other than coding and cryptography if any and how can one apply group theory to them.
Fagbile IfeOluwa's user avatar
1 vote
1 answer
545 views

What are the applications of nilpotent elements/nilpotent ideals?

As I am doing exercises related to group and ring theory I constantly see questions regarding nilpotent elements/ideals/groups. However, I have yet to see any practical use of them in theory, but I ...
muaddib's user avatar
  • 71
0 votes
1 answer
57 views

What is the applications of Lie derivations?

Let $K$ be a commutative ring with unity. Let $A$ be a unital algebra over $K$. We write $[x,y]= xy-yx$ for every $x,y \in A$ and we call it Lie product (or Lie bracket). A linear map $L: A \to A$ is ...
Math-Rank-0's user avatar
-2 votes
1 answer
65 views

Application of hyperspheres [closed]

Recently I've been studying the the volume of an n-ball. Do hyperspheres (or their volume/surface formulas) have any real-world applications?
Tu1's user avatar
  • 127
5 votes
3 answers
2k views

Real-world applications of fields, rings and groups in linear algebra.

Real-world applications of fields, rings and groups in linear algebra. A friend of mine asked me where one could use the definitions of rings, groups, fields etc. I was very embarrassed of the fact ...
Doesbaddel's user avatar
  • 1,197
8 votes
2 answers
983 views

Applications of valuation rings

Some background: I am in the process of writing a research paper for an undergraduate abstract algebra course. I've chosen to write my paper on valuation rings and discrete valuation rings. The goal ...
rosterherik's user avatar
42 votes
11 answers
24k views

what are the different applications of group theory in CS? [closed]

What are some applications of abstract algebra in computer science an undergraduate could begin exploring after a first course? Gallian's text goes into Hamming distance, coding theory, etc., I ...
user avatar
6 votes
1 answer
184 views

Concrete Applications of Lattices to Algebra

The importance of lattices to algebra (or any field of mathematics really) should be fairly obvious. Specifically, we always have a complete lattice of subobjects (and a lattice of strong subobjects ...
Stefan Perko's user avatar
  • 12.5k
1 vote
0 answers
376 views

Application of Jordan–Hölder theorem

Jordan–Hölder theorem can be used to prove the fundamental theorem of arithmetic. But I can only prove the uniqueness part of the theorem with Jordan–Hölder theorem. That every composite number is ...
Shiksharthi Sharma's user avatar

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