Indistinguishable families of graphs
- From: "Artyom" <Artyom.Chernikov@xxxxxxxxx>
- Date: 25 Nov 2006 08:10:14 -0800
Is there some natural not too trivial graph property such that all its
members are look-alikes. More precisely:
Can we find set of graphs S such that for any k there is N satisfying:
any two graphs of order larger than N satisfy the same first-order
formulas with at most k quantifiers, or equivalently are
undistinguashable by a k-round Ehrefeucht-Fraisse game?
.
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