The geometry of maximal representations of surface groups into

B Collier, N Tholozan, J Toulisse - 2019 - projecteuclid.org
In this paper, we study the geometric and dynamical properties of maximal representations
of surface groups into Hermitian Lie groups of rank 2. Combining tools from Higgs bundle …

Maximal surface group representations in isometry groups of classical Hermitian symmetric spaces

SB Bradlow, O García-Prada, PB Gothen - Geometriae Dedicata, 2006 - Springer
Higgs bundles and non-abelian Hodge theory provide holomorphic methods with which to
study the moduli spaces of surface group representations in a reductive Lie group G. In this …

Holomorphic curves in the 6-pseudosphere and cyclic surfaces

B Collier, J Toulisse - Transactions of the American Mathematical Society, 2024 - ams.org
The space $\mathbf {H}^{4, 2} $ of vectors of norm $-1$ in $\mathbb {R}^{4, 3} $ has a
natural pseudo-Riemannian metric and a compatible almost complex structure. The group of …

Higgs bundles and surface group representations in the real symplectic group

O García-Prada, PB Gothen, IMI Riera - Journal of Topology, 2013 - academic.oup.com
In this paper, we study the moduli space of representations of a surface group (that is, the
fundamental group of a closed oriented surface) in the real symplectic group Sp (2 n, ℝ). The …

[HTML][HTML] Parabolic Higgs bundles and representations of the fundamental group of a punctured surface into a real group

O Biquard, O García-Prada, IM i Riera - Advances in Mathematics, 2020 - Elsevier
We study parabolic G-Higgs bundles over a compact Riemann surface with fixed punctures,
when G is a real reductive Lie group, and establish a correspondence between these …

Cyclic Higgs bundles and minimal surfaces in pseudo-hyperbolic spaces

X Nie - Advances in Mathematics, 2024 - Elsevier
We introduce a type of minimal surface in the pseudo-hyperbolic space H n, n (with n even)
or H n+ 1, n− 1 (with n odd) coming from cyclic SO 0 (n, n+ 1)-Higg bundles. By showing that …

A general Cayley correspondence and higher Teichm\" uller spaces

S Bradlow, B Collier, O Garcia-Prada, P Gothen… - arXiv preprint arXiv …, 2021 - arxiv.org
We introduce a new class of $\mathfrak {sl} _2 $-triples in a complex simple Lie algebra
$\mathfrak {g} $, which we call magical. Such an $\mathfrak {sl} _2 $-triple canonically …

An introduction to Higgs bundles via harmonic maps

Q Li - SIGMA. Symmetry, Integrability and Geometry: Methods …, 2019 - emis.de
This survey studies equivariant harmonic maps arising from Higgs bundles. We explain the
non-abelian Hodge correspondence and focus on the role of equivariant harmonic maps in …

The geometry of maximal components of the PSp (4, ℝ) character variety

D Alessandrini, B Collier - Geometry & Topology, 2019 - msp.org
The geometry of maximal components of the PSp(4,R) character variety Page 1 msp Geometry
& Topology 23 (2019) 1251–1337 The geometry of maximal components of the PSp.4;R …

Involutions and higher order automorphisms of Higgs bundle moduli spaces

O García‐Prada, S Ramanan - Proceedings of the London …, 2019 - Wiley Online Library
We consider the moduli space M (G) of G‐Higgs bundles over a compact Riemann surface
X, where G is a complex semisimple Lie group. This is a hyperkähler manifold …