query: Finding ring isomorphism
positive_passages.docid: 145221
positive_passages.text: Ring isomorphism (polynomials in one variable)
negative_passages.docid: 87766
negative_passages.text: Using Cayley's Theorem to find an isomorphic subgroup.
negative_passages.docid: 91222
negative_passages.text: Isomorphism between $\mathfrak o(4,\mathbb R)$ and $\mathfrak o (3,\mathbb R) \oplus\mathfrak o (3,\mathbb R) $
negative_passages.docid: 32772
negative_passages.text: Proving units in a ring
negative_passages.docid: 30465
negative_passages.text: Determining which rings have a module which is not semisimple
negative_passages.docid: 147667
negative_passages.text: Polynomial ring isomorphisms
negative_passages.docid: 34990
negative_passages.text: Ring homomorphism defined on a field
negative_passages.docid: 13606
negative_passages.text: Prove that $K$ is isomorphic to a subfield of the ring of $n\times n$ matrices over $F$.
negative_passages.docid: 75315
negative_passages.text: How to prove that homomorphism from field to ring is injective or zero?
negative_passages.docid: 99567
negative_passages.text: Proving that an inverse ring homomorphism of an ideal is an ideal?
negative_passages.docid: 57732
negative_passages.text: Rings of fractions and homomorphisms
negative_passages.docid: 30327
negative_passages.text: $\ker \phi = (x_1-a_1, ..., x_n-a_n)$ for a ring homomorphism $\phi: R[x_1, ..., x_n] \to R$
negative_passages.docid: 18048
negative_passages.text: Easy criteria to determine isomorphism of fields?
negative_passages.docid: 152013
negative_passages.text: elementary ring proof with composition of functions and addition of functions as operations
negative_passages.docid: 66169
negative_passages.text: Ring of order $n$ is isomorphic to $\Bbb Z/n\Bbb Z$, with $n$ square-free
negative_passages.docid: 3778
negative_passages.text: If the matrix rings over two Rings of the same size are isomorphic, then the scalar rings are isomorphic
negative_passages.docid: 52088
negative_passages.text: Isomorphism of an endomorphism ring, how can $R\cong R^2$?