Threads Tagged with subrings Thread / Thread Starter Last Post Replies Views 1. The problem statement, all variables and given/known data Find all subrings of \mathbb{R} which are discrete... Jan17-12 11:46 PM Theorem. 8 931 Calculus & Beyond Homework Hi everyone! I'm new. :) Anyway there's this textbook I found regarding the definition of orders (a type of subrings).... Sep25-11 12:55 AM Somewheresafe 6 1,351 Linear & Abstract Algebra 1. The problem statement, all variables and given/known data Problem from Artin's Algebra, find all discrete subrings... Feb20-11 05:58 PM micromass 3 980 Calculus & Beyond Homework 1. The problem statement Let R be a ring. The center of R is defines as follows: Z(R)= {x E R where xy = yx for... Nov17-10 06:06 PM frnkarich 5 3,545 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Let f: R -> S be a homomorphism of Rings and T a... Oct28-10 09:04 PM micromass 1 1,165 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Let R be a ring and a be an element of R. Let S=... Sep29-10 02:35 AM fzero 7 899 Calculus & Beyond Homework 1. The problem statement, all variables and given/known data Prove that if f:R-R' is a ring homomorphism, then a)... Feb3-10 11:06 PM VeeEight 3 1,681 Calculus & Beyond Homework I'm taking an independent study class over Groups. Rings, and Fields. It's been really confusing. On one page I... Jan29-09 03:04 AM LorenzoMath 14 1,718 Linear & Abstract Algebra