Maryam Fazel
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| title | conference | date |
|---|---|---|
| Online Optimization, Smoothing, and Competitive Ratio | Discrete Optimization via Continuous Relaxation | 2017-09-11 |
Claims that competitive ratio for online resource allocation improves if the objective psi is optimally smoothed; derives a concrete scalar metric alpha… | ||
| Continuous Methods 1 | Bridging Continuous and Discrete Optimization Boot Camp 2017 | 2017-08-21 |
Asserts that designing first-order algorithms from continuous dynamics plus conjugate duality yields a mechanical recipe: pick mirror map via conjugate… | ||
| Continuous Methods 2 | Bridging Continuous and Discrete Optimization Boot Camp 2017 | 2017-08-21 |
Claims that continuous-time gap invariants plus two discretization recipes produce accelerated O(1/T^2) convergence for convex problems, with concrete… | ||
| Continuous Methods 3 | Bridging Continuous and Discrete Optimization Boot Camp 2017 | 2017-08-21 |
Shows that a submodular set function has a convex continuous extension via the Lovász extension and a dual base polytope whose linear optimization costs O(n… | ||
| Continuous Methods 4 | Bridging Continuous and Discrete Optimization Boot Camp 2017 | 2017-08-21 |
Compares two greedy online algorithms — sequential greedy (Frank‑Wolfe/forward Euler style) and simultaneous greedy (implicit/backward update) — and proves… | ||
| Convex Relaxations for Recovering Simultaneously Structured Objects | Semidefinite Optimization, Approximation and Applications 2014 | 2014-09-24 |
Claim: combining convex penalties (weighted sums or pointwise maxima of structure-promoting norms) fails to exploit multiple structures and requires as many… | ||
| Noisy Estimation of Simultaneously Structured Models | Workshop on Succinct Data Representations and Applications (Simons Institute Big Data 2013) | 2013-09-16 |
Examines recovery of models that are simultaneously structured (e.g. low-rank and sparse or lifted phase retrieval) and shows that naively minimizing a convex… | ||
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