Knot at Lunch, July 5, 2007

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Invitation

Dear Knot at Lunch People,

We will have our next summer lunch on Thursday July 5, 2007, at the usual place, Bahen 6180, at 12 noon.

As always, please bring brown-bag lunch and fresh ideas. I'm not sure what we will be talking about; perhaps just continue with last week's topics.

As always, if you know anyone I should add to this mailing list or if you wish to be removed from this mailing list please let me know. To prevent junk accumulation in mailboxes, I will actively remove inactive people unless they request otherwise.

Best,

Dror.

Some Content

Definition. Let $\varphi :B\to S$ be a group homomorphism; denote its action by $\beta \mapsto {\bar {\beta }}$; i.e., let ${\bar {\beta }}:=\varphi (\beta )$ for every $\beta \in B$.