The Topography of $\W_\infty$-Type Algebras
  We chart out the landscape of $\Winfty$-type algebras using $\Wkpq$---a recently discovered one-parameter deformation of $\W_{\rm KP}$. We relate all hitherto known $\Winfty$-type algebras to $\Wkpq$ and its reductions, contractions, and/or truncations at special values of the parameter. 
J.M. Figueroa-O'Farrill, J. Mas, and E. Ramos