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Importance:
High ✭✭✭
Author(s):
Subject:
Graph Theory
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Topological Graph Theory
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Genus
Keywords:
minor
surface
Recomm. for undergrads:
no
Posted
by:
Bruce Richter
on:
March 27th, 2007
Conjecture
Is there a graph
that is a minor-minimal obstruction for two non-orientable surfaces?
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