
Sketched NewtonRaphson
We propose a new globally convergent stochastic second order method. Our...
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A Novel ConfidenceBased Algorithm for Structured Bandits
We study finitearmed stochastic bandits where the rewards of each arm m...
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Metalearning with Stochastic Linear Bandits
We investigate metalearning procedures in the setting of stochastic lin...
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Learning Adaptive Exploration Strategies in Dynamic Environments Through Informed Policy Regularization
We study the problem of learning explorationexploitation strategies tha...
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Active Model Estimation in Markov Decision Processes
We study the problem of efficient exploration in order to learn an accur...
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Learning Near Optimal Policies with Low Inherent Bellman Error
We study the exploration problem with approximate linear actionvalue fu...
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Nearlinear Time Gaussian Process Optimization with Adaptive Batching and Resparsification
Gaussian processes (GP) are one of the most successful frameworks to mod...
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Adversarial Attacks on Linear Contextual Bandits
Contextual bandit algorithms are applied in a wide range of domains, fro...
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Improved Algorithms for Conservative Exploration in Bandits
In many fields such as digital marketing, healthcare, finance, and robot...
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Conservative Exploration in Reinforcement Learning
While learning in an unknown Markov Decision Process (MDP), an agent sho...
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Concentration Inequalities for Multinoulli Random Variables
We investigate concentration inequalities for Dirichlet and Multinomial ...
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NoRegret Exploration in GoalOriented Reinforcement Learning
Many popular reinforcement learning problems (e.g., navigation in a maze...
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Frequentist Regret Bounds for Randomized LeastSquares Value Iteration
We consider the explorationexploitation dilemma in finitehorizon reinf...
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A Structured Prediction Approach for Generalization in Cooperative MultiAgent Reinforcement Learning
Effective coordination is crucial to solve multiagent collaborative (MA...
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Wordorder biases in deepagent emergent communication
Sequenceprocessing neural networks led to remarkable progress on many N...
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Gaussian Process Optimization with Adaptive Sketching: Scalable and No Regret
Gaussian processes (GP) are a popular Bayesian approach for the optimiza...
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Active Exploration in Markov Decision Processes
We introduce the active exploration problem in Markov decision processes...
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Exploration Bonus for Regret Minimization in Undiscounted Discrete and Continuous Markov Decision Processes
We introduce and analyse two algorithms for explorationexploitation in ...
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Rotting bandits are no harder than stochastic ones
In bandits, arms' distributions are stationary. This is often violated i...
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Near Optimal ExplorationExploitation in NonCommunicating Markov Decision Processes
While designing the state space of an MDP, it is common to include state...
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Distributed Adaptive Sampling for Kernel Matrix Approximation
Most kernelbased methods, such as kernel or Gaussian process regression...
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Efficient BiasSpanConstrained ExplorationExploitation in Reinforcement Learning
We introduce SCAL, an algorithm designed to perform efficient exploratio...
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SecondOrder Kernel Online Convex Optimization with Adaptive Sketching
Kernel online convex optimization (KOCO) is a framework combining the ex...
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Experimental results : Reinforcement Learning of POMDPs using Spectral Methods
We propose a new reinforcement learning algorithm for partially observab...
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Thompson Sampling for LinearQuadratic Control Problems
We consider the explorationexploitation tradeoff in linear quadratic (L...
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ExplorationExploitation in MDPs with Options
While a large body of empirical results show that temporallyextended ac...
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Active Learning for Accurate Estimation of Linear Models
We explore the sequential decision making problem where the goal is to e...
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Linear Thompson Sampling Revisited
We derive an alternative proof for the regret of Thompson sampling () in...
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Reinforcement Learning in RichObservation MDPs using Spectral Methods
Designing effective explorationexploitation algorithms in Markov decisi...
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Analysis of Kelner and Levin graph sparsification algorithm for a streaming setting
We derive a new proof to show that the incremental resparsification algo...
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Reinforcement Learning of POMDPs using Spectral Methods
We propose a new reinforcement learning algorithm for partially observab...
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Incremental Spectral Sparsification for LargeScale GraphBased SemiSupervised Learning
While the harmonic function solution performs well in many semisupervis...
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Online Stochastic Optimization under Correlated Bandit Feedback
In this paper we consider the problem of online stochastic optimization ...
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Sequential Transfer in Multiarmed Bandit with Finite Set of Models
Learning from prior tasks and transferring that experience to improve fu...
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Regret Bounds for Reinforcement Learning with Policy Advice
In some reinforcement learning problems an agent may be provided with a ...
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A Dantzig Selector Approach to Temporal Difference Learning
LSTD is a popular algorithm for value function approximation. Whenever t...
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Transfer from Multiple MDPs
Transfer reinforcement learning (RL) methods leverage on the experience ...
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Alessandro Lazaric
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Junior Researcher (CR1) at INRIA Lille  Nord Europe in the SequeL