In a triangulated category with coproducts any idempotent splits.
Is there a proof of this fact different from that in Neeman, Prop. 1.6.8? In particular I'm looking for one which doesn't use the notion of homotopy colimit.
Thanks.
In a triangulated category with coproducts any idempotent splits.
Is there a proof of this fact different from that in Neeman, Prop. 1.6.8? In particular I'm looking for one which doesn't use the notion of homotopy colimit.
Thanks.