Monotone vector fields and the proximal point algorithm on Hadamard manifolds

C Li, G López, V Martín-Márquez - Journal of the London …, 2009 - academic.oup.com
The maximal monotonicity notion in Banach spaces is extended to Riemannian manifolds of
nonpositive sectional curvature, Hadamard manifolds, and proved to be equivalent to the …

Equilibrium problems in Hadamard manifolds

V Colao, G López, G Marino… - Journal of Mathematical …, 2012 - Elsevier
An equilibrium theory is developed in Hadamard manifolds. The existence of equilibrium
points for a bifunction is proved under suitable conditions, and applications to variational …

Firmly nonexpansive mappings in classes of geodesic spaces

D Ariza-Ruiz, L Leuştean, G López-Acedo - Transactions of the American …, 2014 - ams.org
Firmly nonexpansive mappings play an important role in metric fixed point theory and
optimization due to their correspondence with maximal monotone operators. In this paper …

First-order algorithms for min-max optimization in geodesic metric spaces

M Jordan, T Lin… - Advances in Neural …, 2022 - proceedings.neurips.cc
From optimal transport to robust dimensionality reduction, many machine learning
applicationscan be cast into the min-max optimization problems over Riemannian manifolds …

Weak sharp minima on Riemannian manifolds

C Li, BS Mordukhovich, J Wang, JC Yao - SIAM Journal on Optimization, 2011 - SIAM
This is the first paper dealing with the study of weak sharp minima for constrained
optimization problems on Riemannian manifolds, which are important in many applications …

Variational inequalities for set-valued vector fields on Riemannian manifolds: convexity of the solution set and the proximal point algorithm

C Li, JC Yao - SIAM Journal on Control and Optimization, 2012 - SIAM
We consider variational inequality problems for set-valued vector fields on general
Riemannian manifolds. The existence results of the solution, convexity of the solution set …

Existence of solutions for variational inequalities on Riemannian manifolds

SL Li, C Li, YC Liou, JC Yao - Nonlinear Analysis: Theory, Methods & …, 2009 - Elsevier
We establish the existence and uniqueness results for variational inequality problems on
Riemannian manifolds and solve completely the open problem proposed in [SZ Németh …

Monotone and accretive vector fields on Riemannian manifolds

JH Wang, G López, V Martín-Márquez, C Li - Journal of optimization theory …, 2010 - Springer
The relationship between monotonicity and accretivity on Riemannian manifolds is studied
in this paper and both concepts are proved to be equivalent in Hadamard manifolds. As a …

Gradient descent ascent for minimax problems on Riemannian manifolds

F Huang, S Gao - IEEE Transactions on Pattern Analysis and …, 2023 - ieeexplore.ieee.org
In the paper, we study a class of useful minimax problems on Riemanian manifolds and
propose a class of effective Riemanian gradient-based methods to solve these minimax …

Resolvents of set-valued monotone vector fields in Hadamard manifolds

C Li, G López, V Martín-Márquez, JH Wang - Set-Valued and Variational …, 2011 - Springer
Firmly nonexpansive mappings are introduced in Hadamard manifolds, a particular class of
Riemannian manifolds with nonpositive sectional curvature. The resolvent of a set-valued …