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math.DG2018★ 2 cited
Projective loops generate rational loop groups
Gang Wang, Oliver Goertsches, Erxiao Wang
Rational loops played a central role in Uhlenbeck's construction of harmonic maps into U(n) (chiral model in physics), and they are generated by simple elements with one pole and o…
math.DG2015★ 2 cited
Dressing Actions on Proper Definite Affine Spheres
Zhicheng Lin, Gang Wang, Erxiao Wang
We will first clarify the loop group formulations for both hyperbolic and elliptic definite affine spheres in R^3. Then we classify the rational elements with 3 poles or 6 poles in…