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math.GT2005
The parity of the Cochran-Harvey invariants of 3-manifolds
Stefan Friedl, Taehee Kim
Given a finitely presented group G and an epimorphism G to the group of integers Cochran and Harvey defined a sequence of integral invariants, which can be viewed as the degrees of…
math.GT2005★ 3 cited
Twisted Alexander norms give lower bounds on the Thurston norm
Stefan Friedl, Taehee Kim
We introduce twisted Alexander norms of a compact connected orientable 3-manifold with first Betti number bigger than one generalizing norms of McMullen and Turaev. We show that tw…
math.GT2005★ 2 cited
Thurston norm, fibered manifolds and twisted Alexander polynomials
Stefan Friedl, Taehee Kim
Every element in the first cohomology group of a 3--manifold is dual to embedded surfaces. The Thurston norm measures the minimal `complexity' of such surfaces. For instance the Th…