Why is this done? (Quadratic integer rings definition)
19473
Why is quadratic integer ring defined in that way?
108775
Identify the ring $\mathbb {Z}[i]/(2 + i) $
51428
Do these two observations suffice to show that a finite boolean ring must be of the form $\mathbb{Z}_2\times\cdots\times\mathbb{Z}_2$?
112099
Polynomial ring with integral coefficients is integral
41878
Cardinal of quotient rings of gaussian integers.
148804
Norm-Euclidean rings?
67260
What happens if we change the definition of quotient ring to the one that does not have ideal restriction?
33184
Something strange about $\sqrt{ 4+ \sqrt{ 4 + \sqrt{ 4-x}}}=x$ and its friends
12110
How are $2\mathbb{Z}\ncong3\mathbb{Z}$ different as rings?
77820
Roots in a polynomial ring
34424
Determining ring of integers for $\mathbb{Q}[\sqrt{17}]$
153647
Elementary number theory and quadratic
77862
Question about fields and quotients of polynomial rings
132317
linear algebra over a division ring vs. over a field
19310
Identify the ring $\mathbb{Z}[x]/(2x)$
85961
Is the ring and semi-ring definition of algebra and set linked?
11573
Rings and some of their properties