Quantum speedups of optimizing approximately convex functions with applications to logarithmic regret stochastic convex bandits

T Li, R Zhang - Advances in Neural Information Processing …, 2022 - proceedings.neurips.cc
We initiate the study of quantum algorithms for optimizing approximately convex functions.
Given a convex set $\mathcal {K}\subseteq\mathbb {R}^{n} $ and a function …

Learning constraints from demonstrations

G Chou, D Berenson, N Ozay - … of Robotics XIII: Proceedings of the 13th …, 2020 - Springer
We extend the learning from demonstration paradigm by providing a method for learning
unknown constraints shared across tasks, using demonstrations of the tasks, their cost …

Learning constraints from demonstrations with grid and parametric representations

G Chou, D Berenson, N Ozay - The International Journal of …, 2021 - journals.sagepub.com
We extend the learning from demonstration paradigm by providing a method for learning
unknown constraints shared across tasks, using demonstrations of the tasks, their cost …

Generalizing informed sampling for asymptotically-optimal sampling-based kinodynamic planning via markov chain monte carlo

D Yi, R Thakker, C Gulino, O Salzman… - … on Robotics and …, 2018 - ieeexplore.ieee.org
Asymptotically-optimal motion planners such as RRT* have been shown to incrementally
approximate the shortest path between start and goal states. Once an initial solution is …

Learning parametric constraints in high dimensions from demonstrations

G Chou, N Ozay, D Berenson - Conference on Robot …, 2020 - proceedings.mlr.press
We present a scalable algorithm for learning parametric constraints in high dimensions from
safe expert demonstrations. To reduce the ill-posedness of the constraint recovery problem …

Randomized geometric tools for anomaly detection in stock markets

C Bachelard, A Chalkis… - International …, 2023 - proceedings.mlr.press
We propose novel randomized geometric tools to detect low-volatility anomalies in stock
markets; a principal problem in financial economics. Our modeling of the (detection) problem …

Practical volume computation of structured convex bodies, and an application to modeling portfolio dependencies and financial crises

L Calès, A Chalkis, IZ Emiris, V Fisikopoulos - arXiv preprint arXiv …, 2018 - arxiv.org
We examine volume computation of general-dimensional polytopes and more general
convex bodies, defined as the intersection of a simplex by a family of parallel hyperplanes …

Global optimization: Hit and run methods

ZB Zabinsky - Encyclopedia of Optimization, 2024 - Springer
The hit and run algorithms fall into the category of sequential random search methods (cf.
also⊳“Random Search Methods”), or stochastic methods. These methods can be applied to …

Practical volume approximation of high-dimensional convex bodies, applied to modeling portfolio dependencies and financial crises

L Calès, A Chalkis, IZ Emiris, V Fisikopoulos - Computational Geometry, 2023 - Elsevier
We examine volume computation of general-dimensional polytopes and more general
convex bodies, defined by the intersection of a simplex by a family of parallel hyperplanes …

Approximating the Geometry of Temporal Logic Formulas

C Abou-Mrad, H Abbas - Proceedings of the 27th ACM International …, 2024 - dl.acm.org
We present an algorithm for approximating the language of a temporal logic formula, that is,
the set of all signals that satisfy the formula. Most tasks involving temporal logic require …