Mathematics – Geometric Topology
Scientific paper
2008-09-24
Mathematics
Geometric Topology
23 pages, 2 figures, 1 table
Scientific paper
In this paper, we begin constructing a new finite-dimensional topological quantum field theory (TQFT) for three-manifolds, based on group PSL(2,C) and its action on a complex variable by fractional-linear transformations, by providing its key ingredient -- a new type of chain complexes. As these complexes happen to be acyclic often enough, we make use of their torsion to construct different versions of manifold invariants. In particular, we show how to construct a large set of invariants for a manifold with boundary, analogous to the set of invariants based on Euclidean geometric values and used in a paper by one of the authors for constructing a "Euclidean" TQFT. We show on examples that our invariants are highly nontrivial.
Kashaev Rinat
Korepanov Igor
Martyushev Evgeniy
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