Christopher Criscitiello
5 papers · 2019–2025 · 3 conferences · across top CS/AI conferences
Achievements
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π£ Hot Topic Early Bird π Conference Polyglot (3) π Academic Marathon (6) π Interdisciplinary Bridge π Cross-Pollinator (15)
π§
Keyword Pioneer
π
Keyword Champion
(2)
β
The Questioner
Conferences
COLT (3)
AISTATS (1)
NIPS (1)
Top co-authors
Keywords
geodesic convexity
(3)
hyperbolic space
(2)
riemannian gradient descent
(2)
riemannian manifold
(2)
lower bound
(2)
manifold optimization
(2)
ellipsoid method
(1)
optimization complexity
(1)
hadamard manifold
(1)
riemannian manifold optimization
(1)
non-convex optimization
(1)
escape saddle point
(1)
gradient descent
(1)
query complexity
(1)
saddle point
(1)
perturbation method
(1)
first-order oracle
(1)
Papers
Accelerated Methods for Riemannian Min-Max Optimization Ensuring Bounded Geometric Penalties
AISTATS 2025
Curvature and complexity: Better lower bounds for geodesically convex optimization
COLT 2023
Open Problem: Polynomial linearly-convergent method for g-convex optimization?
COLT 2023
Negative curvature obstructs acceleration for strongly geodesically convex optimization, even with exact first-order oracles
COLT 2022
Efficiently escaping saddle points on manifolds
NIPS 2019