The rings Z[x] and Q[x] are not isomorphic Post published:March 13, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingThe rings Z[x] and Q[x] are not isomorphic

The rings 2Z and 3Z are not isomorphic Post published:March 9, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingThe rings 2Z and 3Z are not isomorphic

Matrix ring is not commutative for dimensions greater or equal to 2 Post published:February 25, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingMatrix ring is not commutative for dimensions greater or equal to 2

The set {(r,r) | r in R} is a subring of the ring RxR Post published:February 21, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingThe set {(r,r) | r in R} is a subring of the ring RxR

Prove that the center of a division ring is a field Post published:February 17, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingProve that the center of a division ring is a field

Prove that the center of a ring is a subring that contains the identity Post published:February 13, 2023 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingProve that the center of a ring is a subring that contains the identity

Is Z a ring? Post published:October 4, 2022 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingIs Z a ring?

Given R and S rings, then its product RxS can’t be a field Post published:October 1, 2022 Post category:Mathematics/Ring Theory Continue ReadingGiven R and S rings, then its product RxS can’t be a field

Boolean ring is commutative Post published:September 28, 2022 Post category:Mathematics/Ring Theory Continue ReadingBoolean ring is commutative

Prove that (2,x) is not a principal ideal of Z[x] Post published:September 19, 2022 Post category:Mathematics/Ring Theory Post comments:0 Comments Continue ReadingProve that (2,x) is not a principal ideal of Z[x]