Zhangchi Chen

activity

20182020

most citedAffine Homogeneous Surfaces with Hessian rank 2 and Algebras of Differential Invariants

1 citations · 1 across the 2 of their papers we have counts for

collaborators

4 papers

math.DG2020★ 1 cited

Affine Homogeneous Surfaces with Hessian rank 2 and Algebras of Differential Invariants

Zhangchi Chen, Joël Merker

Consider a graphed holomorphic surface $u = F (x, y)$ in $C_{x, y, u}^{3}$ under the action of the affine transformation group $A (3)$ . In 1999, Eastwood and Ezhov obtained a list…

math.CV2020

Normal Forms for Rigid $C_{2, 1}$ Hypersurfaces $M^{5} \subset C^{3}$

Zhangchi Chen, Wei-Guo Foo, Joel Merker +1

Consider a $2$ -nondegenerate constant Levi rank $1$ rigid $C^{ω}$ hypersurface $M^{5} \subset C^{3}$ in coordinates $(z, ζ, w = u + i v)$ : \[ u = F\big(z,ζ,\bar{z},\bar…

math.DG2019

On Differential Invariants of Parabolic Surfaces

Zhangchi Chen, Joël Merker

The algebra of differential invariants under $S A_{3} (R)$ of generic parabolic surfaces $S^{2} \subset R^{3}$ with nonvanishing Pocchiola $4^{th}$ invariant $W$ i…

math.AC2018

On nonsingularity of circulant matrices