Blackboard Shots with Prefix "Leung"

100712-131330: Universal gl(N) in greater detail.

100630-123429: A, Aarrow, G, Gtilde.

100406-140315: The injectivity of V->U(gl_n) (2).

100401-151441: The injectivity of V->U(gl_n).

100316-130250: A funny map from U(gl_k) to U(gl_n).

100309-123802: Bulk quantities, names, interpretations.

091123-175610: The gl(N) Lie-bialgebra, revisited.

091106-164740: The other bi-algebra structure on sl(2).

091023-163629: Factorial basis for descending.

091009-170956: The EK-Verma isomorphism in degree 1.

090227-133555: so(2N) (2).

090227-132523: so(2N).

090122-113225: The more general gl(N) arrow-weight-system.

090119-114318: The two juggling diagrams.

090112-113529: 6T.

090106-140729: Wgl for links.

081219-112510: An example arrow diagram.

081218-145854: Enumeration of Arrow Diagrams, a start on the gl(N) computation.

080924-143035: Directed marked Jacobi diagrams.

080917-144216: Surfaces are graphs modulo relations.

080805-113556: 6T for SO.

080229-153603: Blobs in arrow diagrams.

080131-151919: A proof of 6T for gl(N).

080129-162421: The weight system of the bialgebra associated with a semi-simple Lie algebra.

071213-142750: The SO(2N) Lie bialgebra weight system.