Modeling integro-differential equations and a method for computing their symmetries and conservation laws;Braiding of the Lie algebra l(2) Poisson-Lie aspects of classical algebras;On symmetry subalgebras and conservation laws for the -\epsilon turbulence model and the Navier-Stokes equations;Graded Fr�olicher-Nijenhuis brackets and the theory of recursion operators for super differential equations;Symplectic geometry of mixed type equations;Homogeneous geometric structures and homogeneous differential equations;Geometry of quantized super PDE's;Symmetries of linear ordinary differential equations;Foliations of manifolds and weighting of derivatives;Higher symmetry algebra structures and local equivalences of Euler-Darboux equations;Hyperbolicity and multivalued solutions of Monge-Amp�ere equations;Singularities of solutions of the Maxwell-Dirac equation;Characteristic classes of Monge-Amp�ere equations