The Asymptotic Value of the Circle-Packing Rigidity Constants Sn. - Peter Doyle; Zheng-Xu He; Burt Rodin (Discret. Comput. Geom., 1994)

Second Derivatives of Circle Packing and Conformal Mapping. - Peter Doyle; Zheng-Xu He; Burt Rodin (Discret. Comput. Geom., 1994)

Hyperbolic and Parabolic Packings. - Zheng-Xu He; O. Schramm (Discret. Comput. Geom., 1995)

On the Minimizers of the Möbius Cross Energy of Links. - Zheng-Xu He (Exp. Math., 2002)