Publications and Preprints


Non-maximal Anosov Representations from Surface Groups to $\mathrm{SO}_0(2,3)$

Preprinted in arxiv:2406.08118, 2024

We prove the representation given by a stable $\alpha_1$-cyclic parabolic $\mathrm{SO}_0(2,3)$-Higgs bundle through the non-Abelian Hodge correspondence is ${\alpha_2}$-almost dominated. This is a generalization of Filip’s result on weight $3$ variation of Hodge structures and answers a question asked by Collier, Tholozan and Toulisse.

Download here

Compact Relative $\mathrm{SO}_0(2,q)$-Character Varieties of Punctured Spheres

Preprinted in arxiv:2309.15553, 2023

We prove that there are some relative $\mathrm{SO}_0(2,q)$-character varieties of the punctured sphere which are compact, totally elliptic and contain a dense representation. This work fills a remaining case of the results of N. Tholozan and J. Toulisse. Our approach relies on the utilization of the non-Abelian Hodge correspondence and we study the moduli space of parabolic $\mathrm{SO}_0(2,q)$-Higgs bundles with some fixed weight. Additionally, we provide a construction based on Geometric Invariant Theory (GIT) to demonstrate that such moduli space we find can be viewed as a projective variety over $\mathbb{C}$.

Download here


A Nontrivial Point on the Isogonal Pivotal Cubic with Pivot on the Circumcircle

Published in International Journal of Geometry, 2022

It’s well-known that the nine-point center $X(5)$ and its isogonal conjugate point, Kosnita point $X(54)$, lie on the isogonal pivotal cubic $K316$ with pivot Euler reflection point $X(110)$. In this article we generalize this result to any isopivotal cubic with pivot on the circumcircle to find a nontrivial point on it.

Download here