OxTalks will soon move to the new Halo platform and will become 'Oxford Events.' There will be a need for an OxTalks freeze. This was previously planned for Friday 14th November – a new date will be shared as soon as it is available (full details will be available on the Staff Gateway).
In the meantime, the OxTalks site will remain active and events will continue to be published.
If staff have any questions about the Oxford Events launch, please contact halo@digital.ox.ac.uk
This talk will deal with optimization problems in a statistical learning setup where the learner has no access to unbiased estimators of the gradient of the objective function. It includes stochastic optimization with zero-order oracle, continuum bandit and contextual continuum bandit problems. I’ll give an overview of recent results on minimax optimal algorithms and fundamental limits for these problems.
