Luca Viano (2026)

Research Interests:

  • Reinforcement Learning
  • Imitation Learning
  • Optimization

 

Biography

On July 17th, 2026 I successfully defended my PhD thesis. The thesis, entitled “Reward is not enough: Advances in reinforcement learning from demonstrations and preferences” was supervised by Professor Volkan Cevher.

I did my PhD studies at LIONS. Since September 2021, I was an ELLIS PhD Fellow supervised by Volkan Cevher and co-supervised by Gergely Neu. My first PhD year was kindly supported by the EPFL EDIC Excellence Fellowship.

Before that I worked as Data Scientist at Datapred, I obtained a MSc in Computational Science and Engineering from EPFL and a Bachelor in Engineering Physics from Politecnico di Torino, Italy. Cycling is my main hobby.

Multi-agent imitation learning with function approximation: Linear Markov games and beyond

L. Viano; T. Freihaut; E. Nevali; V. Cevher; M. Geist et al. 

2026. 43rd International Conference on Machine Learning (ICML 2026), Seoul, South Korea, 2026-07-06 – 2026-07-11.

Aligning Large Language Models With Human Feedback: Mathematical foundations and algorithm design [Special Issue on the Mathematics of Deep Learning]

S. Zeng; L. Viano; C. Li; J. Li; M. Wulfmeier et al. 

IEEE Signal Processing Magazine. 2026. Vol. 43, num. 3, p. 71 – 85. DOI : 10.1109/msp.2026.3666824.

Convergence to Equilibrium of No-Regret Dynamics in Congestion Games

V. Cevher; W. Chen; L. Dadi; J. Dong; I. Panageas et al. 

2026. 20th International Conference on Web and Internet Economics, Edinburgh, UK, 2024-12-02 – 2024-12-05. p. 513 – 529. DOI : 10.1007/978-3-032-08560-3_29.

Reward is not enough: Advances in reinforcement learning fromdemonstrations and preferences

L. Viano / V. Cevher (Dir.)  

Lausanne, EPFL, 2026. 

Multi-Step Alignment as Markov Games: An Optimistic Online Mirror Descent Approach with Convergence Guarantees

Y. Wu; L. Viano; K. Antonakopoulos; Y. Chen; Z. Zhu et al. 

Transactions on Machine Learning Research. 2025. num. 12/2025.

Learning Equilibria from Data: Provably Efficient Multi-Agent Imitation Learning

T. Freihaut; L. Viano; V. Cevher; M. Geist; G. Ramponi 

2025. 39th Conference on Neural Information Processing Systems (NeurIPS 2025), San Diego, USA, 2025-12-02 – 2025-12-07.

IL-SOAR : Imitation Learning with Soft Optimistic Actor cRitic

S. Viel; L. Viano; V. Cevher 

2025. Forty-Second International Conference on Machine Learning, Vancouver, Canada, 2025-07-13 – 2025-07-19.

Best of Both Worlds: Regret Minimization versus Minimax Play

A. Müller; J. Schneider; S. Skoulakis; L. Viano; V. Cevher 

2025. Forty-Second International Conference on Machine Learning, Vancouver, Canada, 2025-07-13 – 2025-07-19.

Adaptive Bilevel Optimization

K. Antonakopoulos; S. Sabach; L. Viano; M. Hong; V. Cevher 

ACM / IMS Journal of Data Science. 2025. DOI : 10.1145/3728478.

Method for imaging a sample with an imaging device

J. Umlauft; S. Tzoumas; C. Lutzweiler; V. Cevher; P. Carvalho et al. 

EP4521763.

2025.

Imitation Learning in Discounted Linear MDPs without exploration assumptions

L. Viano; E. P. Skoulakis; V. Cevher 

2024. 41st International Conference on Machine Learning (ICML 2024), Vienna, Austria, July 21-27, 2024.

Semi Bandit Dynamics in Congestion Games: Convergence to Nash Equilibrium and No-Regret Guarantees.

I. Panageas; E. P. Skoulakis; L. Viano; X. Wang; V. Cevher 

2023. 40th International Conference on Machine Learning (ICML 2023), Honolulu, Hawaii, USA, 2023-07-23 – 2023-07-29.

Alternation makes the adversary weaker in two-player games

V. Cevher; A. Cutkosky; A. Kavis; G. Piliouras; E. P. Skoulakis et al. 

2023. 37th Conference on Neural Information Processing Systems (NeurIPS 2023), New Orlean, USA, December 10-16. 2023.

What can online reinforcement learning with function approximation benefitfrom general coverage conditions

F. Liu; L. Viano; V. Cevher 

2023. 40th International Conference on Machine Learning (ICML 2023), Honolulu, Hawaii, USA, 2023-07-23 – 2023-07-29.

Identifiability and Generalizability from Multiple Experts in Inverse Reinforcement Learning

P. T. Y. Rolland; L. Viano; N. Schürhoff; B. Nikolov; V. Cevher 

2022. 36th Conference on Neural Information Processing Systems (NeurIPS 2022), New Orleans, USA, 2022-11-28 – 2022-12-03.