~/talks

Anupam Gupta

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  • ITCS2 editions2022–2023

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titleconferencedate
Lightning Talks!The Role of TCS in Modern Machine Learning2026-05-26
A rapid-fire set of concrete results: an online load‑balancing scheme learns from a 1% sample and achieves a 1+ε load guarantee (using fractional relaxations…
Lightning on
Graph Searching with PredictionsITCS 20232023-01-10
Shows that with per-node distance hints an algorithm called TreeX finds a goal in a tree with total movement O(D + Δ·e), where D is true root–goal distance, Δ…
Talk on
Competitive Analysis of Online Algorithms (Part 1)Data-Driven Decision Processes Boot Camp 20222022-08-22
Survey defines competitive ratio, uses rent-or-buy to show deterministic best policy buys at B days giving ratio ~2 and randomized optimal ratio is e/(e-1)…
Talk on
Competitive Analysis of Online Algorithms (Part 2)Data-Driven Decision Processes Boot Camp 20222022-08-22
Defines competitive analysis and proves concrete bounds: ski‑rental gets 2 - 1/B deterministically and ~e/(e-1) randomized as B→∞; cat‑and‑mouse is…
Talk on
Probing to minimizeITCS 20222022-01-31
Proves the first adaptive approximation for minimizing the minimum-weight element under a knapsack constraint with expected cost at most four times OPT while…
Talk
Robust Algorithms for Secretaries and BanditsMathematics of Online Decision Making 20202020-10-23
Algorithm works on a red/green model where an unknown fraction of items are adversarially timed and values are arbitrary while the rest arrive uniformly at…
Talk on
Sampling Algorithms for Combinatorial Pure ExplorationOptimization, Statistics and Uncertainty2017-11-28
Takes the max-weight spanning-tree and matroid best-set problems from unknown edge means and gives sample-complexity bounds: adaptive elimination matches the…
Talk on
LPs and Convex Programming Relaxations and Rounding for Stochastic ProblemsDiscrete Optimization via Continuous Relaxation2017-09-11
Projects exponential decision trees down to small LP surrogate for decision tree variables (marginals) and rounds them back into policies; assumes independent…
Talk
Approximation Algorithms for Optimization under UncertaintyUncertainty in Computation 20162016-10-04
Stochastic knapsack treats item sizes (and sometimes rewards) as known distributions and compares online policies to the optimal adaptive decision tree…
Talk on
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