Factorization of rings problem

In summary, factorization of rings problem involves breaking down a ring into smaller rings or ideals. It is important for understanding the structure of a ring and solving complex equations. There are various methods of factorization, each with its own advantages. Its applications include cryptography and coding theory. However, there are challenges such as determining uniqueness and dealing with non-commutative rings. A solid understanding of abstract algebra is required to overcome these challenges.
  • #1
zetafunction
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Homework Statement



in order to factorize 20 on the rings of [tex] Q( \sqrt 2) [/tex] i must solve

Homework Equations



[tex] x^{2} -2y^{2}=10 [/tex]

The Attempt at a Solution



i do not know how to solve it, i have tried by brute force with calculator but can not get any response , the given hint is that [tex] x^{2} -2y^{2}=5 [/tex] has no solution.
 
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  • #2


I can only guess that you've factored 20 as 2*10, so why have you not factored 10 as 2*5?
 
  • #3


according to the teacher, who put the exercise the diophantine equation

[tex] x^{2}-2y^{2}=5 [/tex] has no solution on integers.
 

1. What is factorization of rings problem?

Factorization of rings problem is a mathematical concept that involves breaking down a ring into a product of smaller rings or ideals. It is similar to factoring a number into its prime factors, but instead of numbers, it involves algebraic structures called rings.

2. Why is factorization of rings problem important?

Factorization of rings problem is important because it helps us understand the underlying structure of a ring and its elements. It also allows us to solve complex equations and prove theorems in abstract algebra.

3. What are the different methods of factorization of rings?

There are several methods of factorization of rings, including unique factorization, primary decomposition, and Chinese remainder theorem. Each method has its own advantages and is used in different situations depending on the properties of the given ring.

4. What are the applications of factorization of rings problem?

Factorization of rings problem has various applications in different fields, such as cryptography, coding theory, and algebraic geometry. It is also used in solving problems related to number theory and group theory.

5. Are there any challenges in factorization of rings problem?

Yes, there are some challenges in factorization of rings problem, such as finding the prime factorization of a given ring, determining the uniqueness of factorization, and dealing with non-commutative rings. It requires a solid understanding of abstract algebra and advanced mathematical techniques to overcome these challenges.

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