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15
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The dimension of the projection of a variety

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#algebraic-geometry #ring-theory
123
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Quotient rings link to first isomorphism theorem

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#ring-theory #field-theory #integral-domain #ring-isomorphism
54
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Descending chain of right-annihilators in a ring

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#abstract-algebra #ring-theory #noncommutative-algebra
80
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Let $A$ be a ring with maximal ideal $m$. $\hat{A},\hat{M}$ completion and $A-$module $M$. $M\to\hat{M}$ image dense?

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#abstract-algebra #general-topology #ring-theory #commutative-algebra
186
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Is $Q[x,y]/x^2+y^2-1$ principal ideal domain?

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#ring-theory
149
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Module over skew polynomial ring

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#abstract-algebra #ring-theory #modules #polynomial-rings
87
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Ring monoid R[M] and indentifications of R and M.

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#ring-theory #monoid
253
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Let $D$ be a UFD such that Bezout's Identity holds. Then Every ideal is finitely generated implies that $D$ is PID

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#ring-theory #principal-ideal-domains
87
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Is $k\langle X \rangle \cong k[X]$

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#abstract-algebra #ring-theory
339
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Kernel of the following Substitution Homomorphism over $\mathbb{C}[x]$

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#abstract-algebra #proof-verification #ring-theory
128
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principal ideal definition

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#abstract-algebra #ring-theory #modules #ideals
58
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Quotient Rings of Polynomials

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#abstract-algebra #polynomials #ring-theory #quotient-spaces #group-rings
770
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Is $x$ irreducible in $(\mathbb Z/{12\mathbb Z})[x]$?

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#abstract-algebra #proof-verification #ring-theory #irreducible-polynomials
507
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Is R[x] a ring of functions or a ring of expressions?

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#abstract-algebra #polynomials #ring-theory #polynomial-rings #ring-isomorphism
79
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Quick Question on Notation: $R^{\, \oplus n}$

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#abstract-algebra #ring-theory #notation #modules #direct-sum

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