Adrian S. Lewis

Professor
Operations Research & Info Eng DEPT · EN

Adrian S. Lewis serves as Professor in Operations Research & Info Eng at Cornell University.

213 publications
10,973 citations
48 h-index
Mathematics
Recent Papers (21)
2026-07-13 · Mathematics of Operations Research · Geometry and Topology
Circumcenters and Mean Sets in Hadamard Space: Horospherical Subgradient Methods
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2026-03-16 · arXiv (Cornell University) · Applied Mathematics
Minimal enclosing balls via geodesics
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2026-03-04 · Mathematical Programming · Artificial Intelligence
Stochastic and incremental subgradient methods for convex optimization on Hadamard spaces
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2026-03-04 · Mathematical Programming · Computational Mechanics
Stochastic and incremental subgradient methods for convex optimization on Hadamard spaces
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2025-09-26 · Foundations of Computational Mathematics · Computational Mechanics
Recognizing Weighted Means in Geodesic Spaces
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2022-05-26
Local Linear Convergence of Alternating Projections in Metric Spaces with Bounded Curvature
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2022-05-05
Identifiability, the KL property in metric spaces, and subgradient curves
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2020-12-11
Active‐Set Newton Methods and Partial Smoothness
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2020-01-01
Partial Smoothness of the Numerical Radius at Matrices Whose Fields of Values are Disks
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2019-09-27
Nonsmooth optimization using Taylor-like models: error bounds, convergence, and termination criteria
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2018-03-15
Error Bounds, Quadratic Growth, and Linear Convergence of Proximal Methods
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2015-08-20
Transversality and Alternating Projections for Nonconvex Sets
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2012-11-15
Clarke subgradients for directionally Lipschitzian stratifiable functions
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2012-07-27
Optimality, identifiability, and sensitivity
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2011-08-15
The dimension of semialgebraic subdifferential graphs
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2010-05-06
Generic nondegeneracy in convex optimization
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2010-04-02
Semi-algebraic functions have small subdifferentials
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2009-06-24
Level set methods for finding critical points of mountain pass type
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2008-10-01
Lipschitz behavior of the robust regularization
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2008-06-18
Randomized Methods for Linear Constraints: Convergence Rates and Conditioning
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN
2003-09-05
The structured distance to ill-posedness for conic systems
Adrian S. LewisProfessor, Operations Research & Info Eng DEPT · EN