Newbetuts

Does there exist a ring which is not a principal ideal ring and which has exactly six different ideals?

Maximal ideals in $C^\infty(\mathbb{R})$

Let $R$ be a finite commutative ring. Show that an ideal is maximal if and only if it is prime.

Prime ideals in $C[0,1]$

Understanding the ideal $IJ$ in $R$ [duplicate]

$R$ is an algebra over an infinite field. If $\exists$ ideals s.t. $J\subseteq \bigcup_{k=1}^nI_k$ then $J\subseteq I_k$ for some $k$

$M$ maximal iff $\bar{M}$ is maximal

Prove if a non-trivial ring $R$ has a unique maximal left ideal $J$ , then $J$ is two-sided and is also the unique maximal right ideal in $R$.

How to calculate the norm of an ideal?

Show the set of points $(t^3, t^4, t^5)$ is closed in $\mathbb A^{3}$

What is a projective ideal?

Maximal ideal not containing the set of powers of an element is prime

Intuitive understanding of ideal $I = (x+1,x^2+1)$ and the quotient $\Bbb Z[x]/I$

How to prove Ass$(R/Q)=\{P\}$ if and only if $Q$ is $P$-primary when $R$ is Noetherian? [duplicate]

New posts in ideals

Generators for the intersection of two ideals

Are the determinantal ideals prime?

Are ideals in rings and lattices related?

Norm of ideals in quadratic number fields

The nil-radical is an intersection of all prime ideals proof

$fg$ primitive $\to$ $f, g$ primitive

Does there exist a ring which is not a principal ideal ring and which has exactly six different ideals?

Maximal ideals in $C^\infty(\mathbb{R})$

Let $R$ be a finite commutative ring. Show that an ideal is maximal if and only if it is prime.

Prime ideals in $C[0,1]$

Understanding the ideal $IJ$ in $R$ [duplicate]

$R$ is an algebra over an infinite field. If $\exists$ ideals s.t. $J\subseteq \bigcup_{k=1}^nI_k$ then $J\subseteq I_k$ for some $k$

$M$ maximal iff $\bar{M}$ is maximal

Prove if a non-trivial ring $R$ has a unique maximal left ideal $J$ , then $J$ is two-sided and is also the unique maximal right ideal in $R$.

How to calculate the norm of an ideal?

Show the set of points $(t^3, t^4, t^5)$ is closed in $\mathbb A^{3}$

What is a projective ideal?

Maximal ideal not containing the set of powers of an element is prime

Intuitive understanding of ideal $I = (x+1,x^2+1)$ and the quotient $\Bbb Z[x]/I$

How to prove Ass$(R/Q)=\{P\}$ if and only if $Q$ is $P$-primary when $R$ is Noetherian? [duplicate]