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math-ph2018★ 5 cited
On spacetime foliations and electromagnetic knots
W. Costa e Silva, E. Goulart, J. E. Ottoni
The present paper has a number of distinct purposes. First is to give a description of a class of electromagnetic knots from the perspective of foliation theory. Knotted solutions…
math.CV2018
Branched pull-back components of the space of codimension foliations on
Wanderson Costa e Silva
We present a new list of irreducible components of the space of codimension two holomorphic foliations on . They are associated to the pull-back by branched rational…