dc.description |
We develop a graphical representation of polynomial invariants of unitary gauge groups, and use it to find the algebraic curve corresponding to a Hyperkähler quotient of a linear space. We apply this method to four dimensional ALE spaces, and for the A<sub>k</sub>, D<sub>k</sub>, and E<sub>6</sub> cases, derive the explicit relation between the deformations of the curves away from the orbifold limit and the Fayet-Iliopoulos parameters in the corresponding quotient construction. We work out the orbifold limit of E<sub>7</sub>, E<sub>8</sub>, and some higher dimensional examples. |