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Computation of Ext group
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[QUOTE="playa007, post: 2815653, member: 47072"] [h2]Homework Statement [/h2] Compute Ext(R,Z) where R is the real numbers and Z is the integers [h2]Homework Equations[/h2] [h2]The Attempt at a Solution[/h2] 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 [/QUOTE]
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Computation of Ext group
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