Take the 2-minute tour ×
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.

Possible Duplicate:
Stably isomorphic groups

If $G$ and $H$ are two groups (finitely presented, if you wish) with the property that $G\times\mathbb{Z}$ is isomorphic to $H\times\mathbb{Z}$, does that imply that $G$ is isomorphic to $H$?

share|improve this question

marked as duplicate by Benjamin Steinberg, S. Carnahan Apr 20 '12 at 3:13

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

This question gets asked so often! –  Steve D Apr 19 '12 at 22:45

1 Answer 1

up vote 1 down vote accepted

See Stably isomorphic groups (Hirshon's example is finitely presented).

share|improve this answer

Not the answer you're looking for? Browse other questions tagged or ask your own question.