Computation of Ext group

  • Thread starter playa007
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Homework Statement


Compute Ext(R,Z) where R is the real numbers and Z is the integers


Homework Equations





The Attempt at a Solution


This is part of a problem is given in Hilton-Stammbach page 109; the previous parts of the problem asks to compute Ext(Q,Z) and Hom(Q,Q/Z); I have computed both and they are both isomorphic to R

Homework Statement





Homework Equations





The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution

 

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