In this paper we prove a Markov Theorem for virtual braids and for some
analogs of this structure. The virtual braid group is the natural companion in
the category of virtual knots, just as the Artin braid group is the natural
companion to classical knots and links. In this paper we follow the L--move
methods to prove the Virtual Markov Theorem. One benefit of this approach is a
fully local algebraic formulation of the Theorem.Comment: 42 pages, 42 figures, LaTeX documen