14 citations · 20 across the 4 of their papers we have counts for
4 papers
Cohomology of preimages with local coefficients
Daciberg Lima Goncalves, Peter Wong
Let M,N and B\subset N be compact smooth manifolds of dimensions n+k,n and \ell, respectively. Given a map f from M to N, we give homological conditions under which g^{-1}(B) has n…
Some quadratic equations in the free group of rank 2
Daciberg Goncalves, Elena Kudryavtseva, Heiner Zieschang
For a given quadratic equation with any number of unknowns in any free group F, with right-hand side an arbitrary element of F, an algorithm for solving the problem of the existenc…
A classification of special 2-fold coverings
Anne Bauval, Daciberg L Goncalves, Claude Hayat +1
Starting with an O(2)-principal fibration over a closed oriented surface F_g, g>=1, a 2-fold covering of the total space is said to be special when the monodromy sends the fiber SO…
The classification and the conjugacy classes of the finite subgroups of the sphere braid groups
Daciberg Lima Gonçalves, John Guaschi
Let n\geq 3. We classify the finite groups which are realised as subgroups of the sphere braid group B_n(S^2). Such groups must be of cohomological period 2 or 4. Depending on the…