We define a sum Z(M) over the geometries of three-manifolds M, which are closed, connected and orientable, by using the Chern-Simons interpretation of three-dimensional gravity. A possible method for the computation of Z(M) is described and illustrated by means of various examples. The behaviour of Z(M) in the semiclassical limit is considered.
File in questo prodotto:
Non ci sono file associati a questo prodotto.